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Niagara Pro - Streaming Media Encoder Manual

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Niagara Pro User Guide
-i-
TABLE OF CONTENTS
Safety Instructions, FCC Statement, UL Statement, Environmental Information,
Disclaimers, Trademark Information...............................................................................................................................a
Foreword .............................................................................................................................................................................1
Package Contents ...............................................................................................................................................................2
Installation Guide...............................................................................................................................................................3
CONNECTING THE NIAGARA PRO STREAMING MEDIA ENCODER ..................................................................................... 3
Connecting to an electrical power source...................................................................................................................4
Niagara Pro Rear Panel Diagram..............................................................................................................................5
Niagara Pro Front Panel Diagram.............................................................................................................................6
Indicator Lights......................................................................................................................................................................... 6
Connectors ................................................................................................................................................................................ 7
CONFIGURING THE NIAGARA PRO STREAMING MEDIA ENCODER .................................................................................... 7
First Start Setup ..........................................................................................................................................................7
Configuring Niagara Pro to Connect to an IP Network ............................................................................................. 9
Changing the Niagara Pro Network Settings............................................................................................................10
Introduction ......................................................................................................................................................................12
WHAT IS STREAMING MEDIA?......................................................................................................................................... 12
STREAMING INFRASTRUCTURE ....................................................................................................................................... 12
SIMPLE GUIDE TO STREAMING AUDIO AND VIDEO TYPES.............................................................................................. 13
Tutorial: Getting to know your Niagara Pro .................................................................................................................15
BASIC OPERATION: USING THE NIAGARA PRO FRONT PANEL ........................................................................................ 16
Startup.......................................................................................................................................................................16
Shutdown...................................................................................................................................................................16
Alternate Shutdown Method......................................................................................................................................17
Starting an Encoding Session....................................................................................................................................17
Checking CPU Usage ...............................................................................................................................................19
Stopping an Encoding Session ..................................................................................................................................19
Connecting an external storage device .....................................................................................................................20
Exporting Captured Video Files ...............................................................................................................................20
ADVANCED OPERATION: USING THE NIAGARA SCX WEB INTERFACE .......................................................................... 22
Accessing the Web Interface .....................................................................................................................................22
Starting an Encoding Session....................................................................................................................................23
Stopping an Encoding Session ..................................................................................................................................24
Viewing the Niagara Pro Activity Log......................................................................................................................26
Configuring the EZStream Buttons ...........................................................................................................................26
ENCODER PRESET (A, B, AND C) .................................................................................................................................... 26
Select Encoder ..........................................................................................................................................................27
View All Encoders.....................................................................................................................................................28
Edit Preset Encoder Profile ......................................................................................................................................29
AVI Encoder Properties ............................................................................................................................................30
Flash
®
Encoder Properties .......................................................................................................................................31
MPEG-4 Encoder Properties....................................................................................................................................32
Real Encoder Properties (Helix)............................................................................................................................... 33
Windows Media Encoder Properties.........................................................................................................................34
Editing an Encoder Profile ....................................................................................................................................... 35
Video & Audio Settings.......................................................................................................................................................... 36
-ii-
Advanced Streaming Settings................................................................................................................................................. 37
AVI Encoder Settings................................................................................................................................................ 41
Flash Encoder Settings............................................................................................................................................. 42
MPEG-4 Encoder Settings ....................................................................................................................................... 43
Encoder Settings Web Interface.............................................................................................................................................. 43
Real Encoder Settings (Helix) ................................................................................................................................................ 50
Windows Media Encoder Settings ............................................................................................................................ 54
Deleting an Encoder Profile..................................................................................................................................... 57
My Niagara Pro........................................................................................................................................................ 59
Computer Name........................................................................................................................................................ 59
Niagara Pro Properties............................................................................................................................................ 60
Changing the Login Password from the Factory Default........................................................................................................ 60
Restoring the Login Password to the Factory Default............................................................................................................. 61
NIAGARA PRO ALERTS ...................................................................................................................................................62
Email Alert ............................................................................................................................................................... 62
Alarm Light............................................................................................................................................................... 62
Edit Alert Settings..................................................................................................................................................... 62
NETWORK PROPERTIES ...................................................................................................................................................63
Network Card(s)....................................................................................................................................................... 64
Advanced Settings (Network).................................................................................................................................... 64
SYSTEM CONFIGURATION SETTINGS...............................................................................................................................65
Restore Niagara Pro Factory Defaults..................................................................................................................... 65
Email Settings........................................................................................................................................................... 67
Idle Screen Information............................................................................................................................................ 68
Default Directory Setting ......................................................................................................................................... 68
High Temperature Alert ........................................................................................................................................... 69
Niagara Pro EASE Menu (LCD Display) ...................................................................................................................... 70
ENCODE MENU ...............................................................................................................................................................70
Encode Start ............................................................................................................................................................. 70
Encode Stop.............................................................................................................................................................. 70
Encode Status ........................................................................................................................................................... 71
ACCESS HEALTH MENU ..................................................................................................................................................71
CPU Status ............................................................................................................................................................... 71
Memory Available .................................................................................................................................................... 71
Temperature Status................................................................................................................................................... 71
SETUP NIAGARA PRO MENU ...........................................................................................................................................72
Network Link Status.................................................................................................................................................. 72
Network MAC Address ............................................................................................................................................. 72
View Network Settings.............................................................................................................................................. 72
Enable DHCP........................................................................................................................................................... 73
Set Static IP Addresses ............................................................................................................................................. 73
Set Gateway Address ................................................................................................................................................ 74
Set Date & Time ....................................................................................................................................................... 75
Setting Temperature Alarm ...................................................................................................................................... 76
EXPORT FILES MENU ......................................................................................................................................................77
Export to USB Drive................................................................................................................................................. 77
SHUTDOWN NIAGARA PRO .............................................................................................................................................77
Niagara SCX Web Interface ........................................................................................................................................... 78
LOG IN ............................................................................................................................................................................78
HOME PAGE ....................................................................................................................................................................79
Menu Bar.................................................................................................................................................................. 79
Home ........................................................................................................................................................................ 79
Encoders................................................................................................................................................................... 80
Configuration ........................................................................................................................................................... 80
-iii-
Status......................................................................................................................................................................... 81
Log Out .....................................................................................................................................................................81
ALL ENCODERS .............................................................................................................................................................. 82
Start Encoder ............................................................................................................................................................83
Stop Encoder.............................................................................................................................................................84
Edit Encoder .............................................................................................................................................................85
Video & Audio Settings.......................................................................................................................................................... 85
Advanced Streaming Settings ................................................................................................................................................. 87
AVI Encoder Settings ................................................................................................................................................90
Flash Encoder Settings .............................................................................................................................................91
MPEG-4 Encoder Settings ........................................................................................................................................92
Encoder Settings Web Interface.............................................................................................................................................. 92
Real Encoder Settings (Helix)...................................................................................................................................98
Windows Media Encoder Settings........................................................................................................................... 102
Digital Rights Management (DRM) for Windows Media........................................................................................104
Importing a DRM Profile...................................................................................................................................................... 104
Setting a DRM Profile in SCX Web Interface ......................................................................................................................108
Delete an Existing Encoder..................................................................................................................................... 109
Create an Encoder ..................................................................................................................................................110
Encoder Preset (A, B, & C).....................................................................................................................................113
Select Encoder ........................................................................................................................................................113
View All Encoders...................................................................................................................................................115
Edit Preset Encoder Profile ....................................................................................................................................115
MY NIAGARA PRO........................................................................................................................................................ 116
Computer Name ...................................................................................................................................................... 116
Niagara Pro Properties ..........................................................................................................................................117
Changing the Login Password from the Factory Default ...................................................................................................... 117
Restoring the Login Password to the Factory Default........................................................................................................... 118
NIAGARA PRO ALERTS ................................................................................................................................................. 119
Email Alert..............................................................................................................................................................119
Alarm Light ............................................................................................................................................................. 119
Edit Alert Settings ...................................................................................................................................................119
NETWORK PROPERTIES................................................................................................................................................. 120
Network Card(s)......................................................................................................................................................121
Advanced Settings (Network) ..................................................................................................................................121
SYSTEM CONFIGURATION SETTINGS ............................................................................................................................ 121
Restore Niagara Pro Factory Defaults ...................................................................................................................122
Email Settings .........................................................................................................................................................123
Idle Screen Information ..........................................................................................................................................124
Default Directory Setting ........................................................................................................................................124
High Temperature Alert.......................................................................................................................................... 125
VIEW ACTIVITY LOG .................................................................................................................................................... 125
VIEW ALERTS............................................................................................................................................................... 125
THE HELP, OR “I” BUTTON, THE NIAGARA SCX WEB INTERFACE, AND THEIR ALERT SETTINGS ................................. 126
-a-
Niagara Pro User Guide
© 2007 ViewCast Corporation
Safety Instructions Rack
Mount
Rack Mount Instructions
A) Operating Temperature - If installed in a closed or
multi-unit rack assembly, the operating ambient
temperature of a rack environment may be greater than
room ambient. Therefore, consideration should be given
to installing the equipment in an environment compatible
with the maximum ambient temperature of 40
°
C.
B) Reduced Air Flow - Installation of the equipment in a
rack should be such that the amount of air flow required
for safe operation of the equipment is not compromised.
C) Mechanical Loading - Mounting of the equipment in
the rack should be such that a hazardous condition is not
achieved due to uneven mechanical loading.
D) Circuit Overloading - Consideration should be given
to the connection of the equipment to the supply circuit
and the effect that the overloading of the circuits might
have on overcurrent protection and supply wiring.
Appropriate consideration of equipment nameplate
ratings should be used when addressing this concern.
E) Reliable Earthing - Reliable earthing of rack-mounted
equipment should be maintained. Particular attention
should be given to supply connections other than direct
connections to the branch circuit (e.g. use of power
strips).
FCC Notice
WARNING: Connections between this device and
peripherals must be made using shielded cables in order
to maintain compliance with FCC radio emission limits.
WARNING: Modifications to this device not approved
by ViewCast Corporation could void the authority
granted to the user by the FCC to operate the device.
The Niagara Pro described has been found to comply
with the limits for a Class A digital device, pursuant to
-b-
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference when the equipment is operated in a
commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a
residential area is likely to cause harmful interference in
which case the user will be required to correct the
interference at its own expense.
Shielded cables: Connections between this device and
peripherals must be made using shielded cables in order
to maintain compliance with FCC ratio emission limits.
Modifications: Modifications to this device not approved
by ViewCast Corporation could void the authority
granted to the user by the FCC to operate the device.
Other Notice
NOTE to CATV Installer: This reminder is provided to
call to the CATV installer’s attention Section 820-40 of
the NEC, which provides guidelines for proper
grounding and, in particular, specifies that the cable
ground shall be connected to the grounding system of the
building, as close to the point of cable entry as practical.
Warning
Installation of the equipment must comply with local and
national electrical codes.
Environmental
Product Disposal Information: Dispose of
this product in accordance with local and
national disposal regulations (if any),
including those governing the recovery and
recycling of waste electrical and electronic
equipment (WEEE).
RoHS Compliant:
ViewCast Corporation is committed
to compliance with the European directive on the
Restriction of the Use of Certain Hazardous Substances
in Electrical and Electronic Equipment, Directive
2002/95/EC, the RoHS directive.
From the 1st of July 2006, products that are supplied to
the European Union will comply with the RoHS
directive. ViewCast certifies that equipment shipped to
-c-
the European Union conforms to the Directive with
exceptions using the Category 3 exemption provided in
the Annex of the 2002/95/EC directive.
For current RoHS statement, see
www.viewcast.com.
Underwriters
Laboratories Inc.
Statement
Underwriters Laboratories Inc. has not tested the
performance or reliability of the security or
signaling aspects of this product. UL has only tested for
fire, shock and casualty hazards as outlined in UL’s
Standard for Safety UL 60950-1. UL Certification does
not cover the performance or reliability of the security or
signaling aspects of this product. UL MAKES NO
REPRESENTATIONS, WARRANTIES OR
CERTIFICATIONS WHATSOEVER REGARDING
THE PERFORMANCE OR RELIABILITY OF ANY
SECURITY OR SIGNALING RELATED FUNCTIONS
OF THIS PRODUCT.
Disclaimers
ViewCast Corporation makes no representations or
warranties with respect to the contents or use of this
manual and specifically disclaims any express or implied
warranties of merchantability or fitness for any particular
purpose. Further, ViewCast Corporation reserves the
right to revise this publication to make enhancements in
the products described in this manual, at any time,
without obligation to notify any person or entity of such
revisions or changes. In no event will ViewCast
Corporation be liable for direct, indirect, special,
incidental or consequential damages arising out of the
use or inability to use the product or documentation,
even if advised of the possibility of such damages.
Only trained and qualified personnel should be allowed
to install, replace, or service this equipment.
Installation of the equipment must comply with local and
national electrical codes.
Do not attempt to open the case of the encoder. If you do
so, there is high risk of electrical shock, which may
cause damage to the encoder and/or personal physical
injury or death to you and/or others. No user-serviceable
parts exist inside the encoder. If you open the encoder
case and/or make unauthorized changes to the case, the
warranty will be voided.
-d-
Do not install the encoder near any heat sources such as
radiators, heat registers, stoves, and/or other equipment,
that produce heat. Attentive concern and exercise of care
by installing the encoder away from any heat sources is
vital to the safety of the person or persons using the
product. Installing the encoder near such heat sources
could result in personal injury or death to you and/or
others.
Never insert objects of any kind into the encoder through
any encoder openings, as the objects may touch
dangerous voltage points, short out parts, and result in a
risk of fire or electrical shock.
Do not stack the encoder on top of or below other
electronic devices as this can cause heat build-up and
vibration of the encoder. These conditions can damage
the encoder thus voiding the limited warranty.
Do not install the encoder in any area where the
temperature is less than 5°C or more than 40°C. Transfer
from temperature extremes may cause condensation. Let
it sit unplugged at room temperature for at least 45
minutes before plugging it in.
Do not block any ventilation openings to the encoder.
Improper ventilation may be hazardous. Blocking
ventilation openings could result in overheating of the
encoder, which, in turn, may cause fire or electric shock,
which may cause damage to the encoder and/or personal
physical injury or death to you and/or others. Install the
encoder in strict accordance with the manufacturer’s
instructions, carefully following any and all steps set
forth in the instructions in order to avoid physical injury
or death to you and/or others.
Do not place the encoder in an enclosure such as a
cabinet without proper ventilation. Improper ventilation
may be hazardous to your health and safety and the
health and safety of others.
Fully unplug the encoder during lightning storms, or
other dangerous weather that might produce lightning, or
when the encoder is unused for long periods of time.
To reduce the risk of fire or electric shock, do not expose
the encoder to rain or moisture of any kind. Exposing the
-e-
encoder to rain or other types of moisture could result in
impairment to the encoder and physical injury or death to
you and/or others.
Encoder shall not be exposed to water or moisture in any
way. Liquids in any form should not be placed on or near
the encoder. If you place liquids in any form on or near
the encoder, do so at your own risk, for there is a high
risk of electrical shock that could occur, which may
cause damage to the encoder and/or personal physical
injury or death to you and/or others.
Refer all servicing to authorized service personnel.
Servicing is required when the encoder has been
damaged in any way, such as the power supply cord or
plug is damaged, liquid has been spilled on the encoder,
or objects have fallen into or onto the encoder, the
encoder has been exposed to rain and/or other types of
moisture, does not operate as described in the User
Guide, or has been dropped. This list is nonexclusive.
Cisco assumes no liability or responsibility for any
encoder still in use that has been damaged in any way,
manner or form.
With the encoder, employ only attachments, accessories
and/or any and all other equipment specified by the
manufacturer.
Do not use accessories or attachments not recommended
by the encoder manufacturer. This will void the Limited
Warranty. Only approved docking trays may be inserted
in the docking bay.
Do not in any manner attempt to service the encoder
yourself, as opening or removing covers may expose you
to dangerous voltage, and will void the Limited
Warranty. Refer all servicing to authorized service
personnel.
The plug-socket combination must be accessible at all
times, because it serves as the main disconnecting
device.
Protect the power cord from being walked on, strained or
pinched in any way, particularly at plugs, electrical
receptacle, and the point where the power cord exits
from the encoder.
-f-
Do not use adapter plugs or remove the grounding prong
from the power cable.
Operate the encoder using only the type of power source
indicated on the marking label on the back panel of the
unit. Unplug the encoder power cord by gripping the
power plug and removing the plug from the power
source. Do not pull the cord to remove the power source
from the encoder.
Do not plug the encoder into a wall outlet that contains
an overload of electrical cords and, more specifically,
power strips/extension cords, as this type of overload can
result in a risk of fire or electrical shock.
When using the encoder, employ an outlet that contains
surge suppression or ground fault protection. For added
protection, during a lightning storm or other dangerous
weather, or when the encoder is left unattended and/or
unused for long periods of time, unplug the power cord
from the wall outlet and disconnect the lines between the
encoder and the video source.
Always carefully handle the encoder. Avoid excessive
shock and vibration to the encoder at all times, as these
conditions can damage the encoder and/or cause personal
physical injury or death to you and/or others.
Warranty
The following information is a general warranty
overview.
For complete warranty details, please refer to the specific
warranty included with each product.
Standard Hardware Warranty. ViewCast warrants all
ViewCast
®
Software Products to meet their current
published specifications as stated in the applicable
Software License Agreement or other license document
supplies with the Software Product. ViewCast assigns
any warranties it may have from any third-party
suppliers of Products to the Reseller or End User. Any
modification voids this warranty or any other existing or
available warranties. ViewCast Hardware Products are
warranted against defects in material and workmanship
under normal use for the period of twenty-four (24)
months from date of sale (twelve (12) months for
GoStream™). Where specific warranties exist that
provide more substantial coverage then, notwithstanding
the warranty provisions herein, such product warranties
-g-
shall be controlling and shall preempt or supersede the
warranty provisions herein.
Reseller Pass Through of Standard Limited Warranties.
ViewCast's standard limited warranties for the products
are to be passed through to the Customer by the Reseller
without modification. Any modification of any Product
voids ViewCast’s warranties or any other existing or
available warranty.
Copyright© 2007 ViewCast Corporation. All rights reserved. No part of this
publication may be reproduced, stored in a retrieval system, or transmitted, in any
form or by any means, electronic, mechanical, photocopied, recorded, or otherwise
without prior written permission from ViewCast
®
Corporation. ViewCast
®
, the
ViewCast logo, Niagara
®
, the Niagara logo, , Niagara SCX
®
, and Osprey
®
are
trademarks or registered trademarks of ViewCast Corporation or its subsidiaries.
Microsoft
®
, Windows
®
, Windows
®
XP, and Windows Media
®
are registered
trademarks of Microsoft Corporation. RealVideo
®
, RealPlayer
®
, RealSystem
®
, and
Helix are the trademarks or registered trademarks of RealNetworks, Inc. Flash
®
,
QuickTime
®
, and iPod
®
are registered trademarks of Adobe Systems Incorporated in
the United States and/or other countries.
-1-
Foreword
Congratulations on the purchase of your Niagara
®
Pro streaming media encoder! You are the
fortunate owner of a state-of-the-art streaming media system. Now you can capture and stream your
audio and video content over the Internet or any local or wide area IP network. All you need is your
audio and video source (such as a camera or deck) a streaming media server or hosting provider, and
an IP connection to your viewing audience.
For a complete overview on streaming audio and video over an IP network, go to the section entitled
Introduction and read the Streaming Infrastructure section. This will explain how streaming media
works.
Niagara Pro is an easy-to-use streaming device. You simply connect your audio and video source to
Niagara Pro, select your target playback device, enter your streaming server information, and press
the Stream button. You’re streaming live!
Niagara Pro can be configured and used straight out of the box for most streaming uses. For more
advanced settings or controlling your Niagara Pro from another networked computer, you will use
Niagara SCX Web Interface.
The front panel of your Niagara Pro streaming media encoder can be customized using the Niagara
Pro Configuration Web browser interface. This configuration tool also provides the ability to set
many other system parameters for your Niagara Pro device.
We hope you enjoy your Niagara Pro streaming media encoder!
Warning
Read the installation instructions before connecting the system to the power
source.
Warning
Only trained and qualified personnel should be allowed to install, replace, or
service this equipment.
-2-
Package Contents
Completely unpack all of the contents from the box and inspect each item for damage and ensure
that you have all of the components listed below:
• Niagara Pro Streaming Media Encoder
• Power Cables
o North America Adapter Cable (110 vac)
o International Adapter Cable (220 vac)
o UK Adapter Cable (220 vac)
• BNC-to-RCA Converter, Male-to-Female (8)
• Niagara Pro User Guide
• Quick Start Guide
• 75 OHM BNC Terminator
• 1 Pair Rack Slide Rails
• 2 Rack Handles
• 1 Niagara Software CD
• 1 Niagara SCX CD
If any of these components are missing or damaged, do not continue with the installation. Contact
the ViewCast
®
reseller from which you purchased your Niagara Pro system for assistance in
obtaining any missing parts or for parts replacement.
The Niagara Pro serial number is located on the right side of the Niagara Pro chassis.
If any of these components are missing or damaged, do not continue with the installation. Contact
the ViewCast
®
reseller from which you purchased your Niagara Pro system for assistance in
obtaining any missing parts or for parts replacement.
Warning
Installation of the equipment must comply with local and national electrical codes.
-3-
Installation Guide
This section will guide you through the physical connection and setup of your Niagara Pro system.
There are two parts to the complete installation of Niagara Pro, as follows:
1. Connection of Niagara Pro streaming media encoder
2. Configuration of Niagara Pro system
Most of the basic operations you will routinely use are performed from the front panel of the Niagara
Pro system.
There are advanced setup and operations you may wish to access and to do so you will need to
access the SCX Web Interface from a computer that resides on the same network as Niagara Pro.
Although these advanced operations are not required for most streaming applications, you may want
to customize your encoding settings and assign specific encoding profiles to the EZStream
®
ABC
buttons on the front panel. The SCX Web Interface provides the ability to remote control your
Niagara Pro from a computer that could be rooms or continents away from the system provided both
your Niagara Pro and the computer have Internet access to communicate with each other.
First, connect the Niagara Pro streaming media encoder. Please see the following section for
connection information.
Connecting the Niagara Pro Streaming Media Encoder
Although it has many features and capabilities, the Niagara Pro streaming media encoder at its most
basic function takes digital and analog audio and video inputs, and processes the signals and then
encodes them into digital IP video formats. Then Niagara Pro delivers the IP audio and video content
to a storage device or streams it over an IP network.
There are four requirements for setting up Niagara Pro for streaming or capturing video, as follows:
• AC power source (100-240v)
• Audio/Video source (camera, video player, or other A/V output device)
• IP network and/or Internet connection
• A streaming media server for streaming your content to many viewers
-4-
Connecting to an electrical power source
Niagara Pro ships with three different power cables, as follows:
• North America Adapter Cable (110v)
• International Adapter Cable (220v)
• UK Adapter Cable (220v)
Select the appropriate cable for your region and attach the block end to the power input located on
the upper corner on the rear panel of Niagara Pro.
Plug the other end into a wall outlet or surge protection enabled power strip connected to a wall
outlet or other common power source.
Warning
The plug-socket combination must be accessible at all times, because it serves
as the main disconnecting device.
Warning
Do not work on the system or connect or disconnect cables during periods of
lightning activity.
-5-
Niagara Pro Rear Panel Diagram
The diagram and table below illustrates all of the connectors and other components of the Niagara
Pro rear panel.
The diagram above shows the rear panel of Niagara Pro. The Analog Input section of the rear panel
is used to connect your audio and video source to Niagara Pro.
Using the reference chart and images below, you can connect the appropriate device and power to
the Niagara Pro.
Port Description
A AC Power Input Provides system power.
B Video Test Ports BNC connector for composite video IN/OUT. Allows you to connect a video test signal, such as a color bar generator, to
calibrate the video settings for video capture sessions.
C USB 2.0 Connectors Use these ports to connect USB control devices, such as a keyboard and mouse, or USB memory devices.
D Control RS-422
Connector
9-pin D connector. Allows you to control the Niagara Pro via RS-422 protocols providing integration into a broadcast
studio master control center. This is a standard RS-422 port that can be used with deck control software.
E Auxiliary VGA
Connector
Use this port to connect an external VGA monitor, so that you can view the Windows XP Interface.
F Network Ports (Line 1
& 2)
Dual Ethernet ports provide redundant connections to your network.
G Alarm Relay
Connector
Use this port to connect an external device (such as an audible bell or buzzer) so that if the system fails, it will trigger an
external audible sound.
H Memory Slots 1 & 2 Compact Flash card slots for removable storage.
I Channel A & B AV
Inputs
Each AV Input channel provides the following input ports:
1. Left/Right XLR connector for balanced audio sources;
Right XLR connector for AES/EBU audio
2. Mini-DIN connector for S-Video sources
3. BNC connector for composite video sources
4. BNC connector for SDI Video Sources with embedded SDI audio
5. Left/Right BNC connectors for unbalanced audio sources
-6-
Niagara Pro Front Panel Diagram
You should familiarize yourself with the front panel controls for the Niagara Pro. Besides the basic
buttons for power, start/stop, up/down and menu access, there are also several indicator lights. The
diagram and table below illustrates all buttons and lights so you can review the front panel functions
and interface.
Control Buttons Description
Power
Pressing this button once will power up Niagara Pro. When Niagara Pro is powered up, pressing this button
once will power down the system. Pressing and holding for 5 seconds will perform an immediate power off.
EZStream
®
Buttons
When an encoder profile is assigned to one of these buttons, pressing the assigned button and then the
Stream button will start the encoder. Pressing the assigned button and then the Stop button will stop the
encoder.
Alarm Information
When the Alarm Light indicator is lit, pressing this button will provide a log of the most recent alarms
recorded. Pressing the Enter button will clear these alarms from the log.
Menu
Pressing this button will activate the Niagara Pro menu on the LCD display.
Enter
Pressing this button will enter or accept the menu choice highlighted on the LCD display. It is used for
Niagara Pro menu operations.
Up/Down
These buttons are used for Niagara Pro menu navigation on the LCD display.
Stream
Pressing this button when an encoder profile is highlighted in the LCD display will start the encoder.
Stop
Pressing this button when an encoder profile is highlighted in the LCD display will stop the encoder.
Indicator Lights
Alarm
This light indicates that an application alert has occurred.
-7-
Remote Control
This light indicates that another user is accessing the Niagara Pro across the network from a computer.
Audio Activity
These lights indicate audio input presence.
Connectors
Headphone Jack & Volume Buttons
The jack allows headphones to be connected to the Niagara Pro for audio monitoring. The Volume Buttons
control the audio level on the headphones.
Configuring the Niagara Pro Streaming Media Encoder
First Start Setup
The first time the Niagara Pro is powered, the LCD display will be presented with a series of menus
that will assist in setting up the system clock, date, and video input format (NTSC (North
America/Japan) or PAL).
To start Niagara Pro, press the <POWER> button located on the front panel.
During the power up process, the Niagara Pro LCD readout displays the following message:
After Niagara Pro powers up the first time, it displays the following message:
Press the <ENTER> button to begin the initial setup.
-8-
Niagara Pro will now ask you to set the date.
To set the month and day, use the <UP> and <DOWN> arrow keys to increment the numerical
value of the month.
Once you set the numerical value for the month, press the <STREAM> button to move to the day
field.
Again, use the <UP> and <DOWN> arrow keys to increment the numerical value of the day.
Press <STREAM> to enter the value and move to the year field.
Use the same process for setting the month and day to set the year.
If you want to change a previous setting, you can continue pressing the <STREAM> button until
the cursor cycles around to the month.
Once you are satisfied with your settings, press the <ENTER> button to accept the settings, and
move to the next screen to set the system clock.
The Niagara Pro uses Military Time, which is based on a 24-hour clock format, for its system clock
entries.
Use the <UP>, <DOWN>, <STREAM>, and <ENTER> buttons to set the hour and minute of the
system clock.
-9-
Once you are satisfied with your settings, press the <ENTER> button to accept the settings.
The last setting is the selection of the video input format that you will enter into the Niagara Pro.
You will see the following prompt message.
Press the <ENTER> button to continue.
Select your video source format from either NTSC or PAL.
Press the <ENTER> button to set the format, then the final screen will appear confirming you have
successfully set up your Niagara Pro.
Press the <ENTER> button to exit the setup menu and begin using your Niagara Pro.
Configuring Niagara Pro to Connect to an IP Network
NOTE: If you are not familiar with network protocols, please contact your network administrator for
assistance.
The Niagara Pro network settings for its two 1,000 megabit network interfaces default to
dynamically obtain an IP address from a DHCP server on the network.
If a DHCP server is not available or cannot be found on the network, then Niagara Pro will assign its
own IP address.
For most network environments, it will not be necessary to modify these default settings. However,
if you wish to assign a static IP address to Niagara Pro’s Network Interface Cards (NICs), then you
can change the network setting using the Niagara Pro front panel menu.
-10-
Changing the Niagara Pro Network Settings
Press the Menu button to access the Niagara Pro EASE menu.
The EASE menu options are as follows:
Use the <UP> and <DOWN> buttons to move the select arrow in the menu until the arrow points to
Setup System option.
Now, press the <ENTER> button.
The Niagara Pro LCD readout will display the Setup menu. Using the <UP>/<DOWN> buttons,
select Network and press the <ENTER> button.
Select the network interface you wish to modify and then press <ENTER>.
Select Change Settings and press the <ENTER> button.
The next menu presents the various network settings. Selecting one of these menu items allows you
to change these individual settings. Once you modify these settings, the changes will be saved until
you modify the settings again or you until restore the Niagara Pro back to its original factory
settings.
Select DHCP On/Off, then press the <ENTER> button. If you wish to cancel this process, press the
<MENU> button to return to the main menu.
The following pictures and their respective actions represent your choices.
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Press this button to select and continue.
Press this button to cancel and exit.
The next menu offers you the choice to enable DHCP for the network interface.
Using the <UP> and <DOWN> buttons, you can toggle the selection from the No to the Yes option.
After you make your selection, press the <ENTER> button to input the change. Niagara Pro will
confirm you wish to change this setting.
Press <ENTER> to confirm your choice. Niagara Pro will return to the menu to select another
individual setting to modify.
To input a static address for the IP address and/or Gateway, select either from the menu and press
the <ENTER> button.
Using the <UP> and <DOWN> arrow keys to increment numerical value, enter a static IP address.
Press the <STREAM> button to move to the next field. When you have correctly entered the IP
address or Gateway address, press <ENTER> to input the data into Niagara Pro. When setting a
static IP address, a screen will appear that will allow you to set the subnet address.
If you wish to remove a static IP address and/or Gateway previously set on Niagara Pro, simply
enable DHCP by using the method described directly above. Any previously entered static address
will be removed.
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Introduction
What is streaming media?
Streaming media is media that is consumed (read, heard, viewed) while it is being delivered.
Streaming is more a property of the delivery system than the media itself. The distinction is usually
applied to media distributed over computer networks; most other delivery systems are either
inherently streaming (radio, television, Internet TV) or inherently non-streaming (books, video
cassettes, audio CDs).
Niagara Pro is designed specifically for streaming audio and video media over an IP network.
Streaming Infrastructure
Before setting up your new Niagara Pro, it is useful to understand the complete overview of live
streaming video – from video capture to streaming video playback.
There are many applications for capturing video into the computer environment that can range from
DVD authoring to live Web casting. Regardless of the final use of the video, all can be categorized
into three main workflow processes:
• Single video/session capture (i.e. one-off file capture for non-real time delivery)
o Typically the captured file is then processed and/or authored into its final form for
delivery
• Batch video/session capture (i.e. archiving, scheduling and storage)
o Multiple source content is to be digitalized
o Device control is needed for unattended source
o Ability to schedule sessions is needed to capture timed events
• Live video capture, processing and delivery (Web casting)
o Can be single or multiple sources
o Live event at a specific time
o Can be a remote or local capture
o Final content is delivered in real time to viewers
Each category has its unique set of requirements that also dictates different user interfaces,
functionality and experiences. The Niagara Pro is designed for live video capture, processing and
delivery.
Below is a diagram illustrating the video path starting with the source, like a camera or video player,
going through the Niagara Pro, to the server, across an IP network, to a software player and
displayed on a monitor for audience viewing.
-13-
Simple Guide to Streaming Audio and Video Types
Niagara Pro can create several different types of audio and video streams. Although all are a type of
IP video format, each has certain properties that make it more attuned to a specific streaming video
application. Niagara Pro was designed for creating video content in a reduced resolution to allow the
content to be streamed across the Internet to be played back on a computer or a handheld mobile
device.
The following chart lists all formats supported by Niagara Pro with suggested application uses. All
of these formats can be used for many different applications.
IP Video Compression for Streaming in Full Resolution & Lower
Windows Media
®
Streaming Internet video and mobile devices
RealVideo
®
/Helix
®
Streaming Internet video and mobile devices
MPEG-4 Handheld devices and mobile phones
In choosing the right streaming format for your needs, you should first consider the audience to
which you will be sending your content. What is the most common player they will have available to
watch your content? This will determine the format of the stream you will create for your audience.
To determine the data rate you will stream your content; you will need to determine the IP
bandwidth to which your audience has access.
For example, if the access method uses an ISDN connection or less, then you would stream your
video and/or audio at a low data rate such as QCIF at 56kbps. If the access is much greater like a
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cable modem or DSL connection, then you can provide a higher quality stream at full resolution at
2 Mbps.
Niagara Pro provides preconfigured encoding profiles for different bandwidth connections. The
profiles loaded will depend upon how you configure your Niagara Pro on its initial startup.
-15-
Tutorial: Getting to know your Niagara Pro
There are two interfaces for operation of your Niagara Pro streaming media encoder.
1) The Niagara Pro front panel LCD display and buttons
2) The Niagara Pro SCX Web Interface
NOTE: To access the Niagara Pro SCX Web Interface or the Niagara SCX Encoder Explorer
Software you will need a computer with a current Web browser installed that has an IP connection to
the Niagara Pro via a local network on which both the Niagara Pro and the computer reside or
through a direct IP connection using the included RJ45 cable to connect directly from the Niagara
Pro to a computer.
This tutorial is divided into two parts; using the front panel of the Niagara Pro and using the
Niagara SCX Web Interface.
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Basic Operation: Using the Niagara Pro Front Panel
Startup
NOTE: If this is the first time Niagara Pro has been started, please read the previous section entitled
First Start Setup before continuing.
To start your Niagara Pro encoder, press the <POWER> button on the front panel.
While powering up, the Niagara Pro LCD readout will display the following series of messages:
When Niagara Pro is ready for operation, the Niagara Pro LCD display will alternate between status
readouts similar to the following:
Shutdown
To shutdown Niagara Pro, briefly press the Power button on the front panel.
The Niagara Pro LCD readout will display the following messages:
After a few seconds, the Niagara Pro will power off.
Caution: Allow the Niagara Pro to power down normally. If you force the system to shutdown
improperly, data can be corrupted. If so, the next time the system is started it can take several
minutes to complete startup.
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Alternate Shutdown Method
Alternatively, you can shut down the Niagara Pro using the EASE menu.
Press the <MENU> button to display the EASE menu.
Using the <UP> and <DOWN> arrow buttons, scroll down until Shutdown System is displayed and
selected.
Press <ENTER>.
Then confirm you wish to shut down the system using the <UP> and <DOWN> buttons to select
either Yes or No. Press <ENTER>.
Starting an Encoding Session
Press the <STREAM> button to start an encoding session using the front panel of your Niagara Pro.
The Niagara Pro LCD readout will display a list of available encoder profiles that can be used
together with the current status of each.
NOTE: The name of each encoder profile is abbreviated to display the first 10 characters. When
creating names for custom profiles, be sure to create unique names that will be distinguishable by the
first 10 characters.
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Use the <UP> and <DOWN> buttons to move the select arrow to point to the encoder profile you
want Niagara Pro to use for this encoding session.
Once you select the encoder profile you need, press the <STREAM> button again to start the
encoder.
The Niagara Pro LCD readout then displays messages about the encoder start process.
After the encoder session has successfully begun, the Niagara Pro LCD readout returns to the
previous display of available encoders. The screen will indicate that the encoder profile you selected
has begun encoding.
If the encoder you started was assigned to one of the EZStream ABC buttons, the corresponding
button flashes and steady illuminates during and after the starting process.
By repeating this method, you can quickly start multiple encoders at the same time.
Niagara Pro is a two-channel encoder, which means you can connect and stream up to two audio and
video sources at any given time. However, you can stream the same audio and video at multiple data
rates and multiple formats to provide the best user experience for different viewing audiences.
For example, you can stream Windows Media at full resolution at 1 Mbps and the same time stream
RealVideo at CIF resolution at 300kbps.
WARNING: There are limitations to the number of streams you can capture simultaneously. If you
attempt to capture more streams than Niagara Pro is capable of processing simultaneously, the
streams will drop frames and the video will appear to stutter resulting in a poor viewer experience. If
the number of sessions is not reduced in order to reduce CPU load, all encoding sessions could self-
terminate without warning.
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Checking CPU Usage
Since you are able to start multiple streams, understanding how much of the processing power of
Niagara Pro is being used is invaluable. If you are using less than 50%, then you should be able to
start another encoding session without adversely affecting system performance.
Press the <MENU> button to display the main menu on the Niagara Pro LCD readout.
The LCD readout will display the following menu choices:
Using the <UP> and <DOWN> buttons, move the arrow until it is next to the menu item Access and
then press the <ENTER> button.
The LCD readout will display the Access menu choices. Press the <ENTER> button with CPU
menu item selected.
The Niagara Pro LCD readout displays the amount of CPU cycles in use. When the Niagara Pro is
idle (no encoder sessions running), the CPU percent displayed should be 4 percent or less. If one or
more encoder sessions are running, then the percent displayed will be much higher and will fluctuate
in a range of +/- 10 percentage points.
Press the <ENTER> button to return to the previous menu.
Stopping an Encoding Session
To stop an encoder, press the <STOP> button.
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The Niagara Pro LCD readout displays the list of encoders and shows the current status of each
session.
Using the <UP> and <DOWN> buttons, move the pointer to the position next to the encoding
session you want to terminate.
Press the <STOP> button again and the encoder session selected will terminate.
To return to the main menu, press the <MENU> button.
Connecting an external storage device
The Niagara Pro rear panel provides two USB ports. You can connect almost any standard USB
flash device to one or both of these ports. This allows you to export any AV files you may have
created on Niagara Pro’s local storage drive. The local storage drive is the D drive when you use the
Save to File setting while you employ the Niagara SCX Web Interface.
When you insert a USB flash device in one of the USB ports on the Niagara Pro, Niagara Pro
automatically detects the removable storage device, and assigns a random drive letter to the device.
This device can capture files directly or can be employed to use the Niagara Pro Export File
function, which is available for access when using the front panel menu.
Exporting Captured Video Files
You can export your captured video files to an external USB device.
NOTE: To export files to a USB device from Niagara Pro, you must set a default location for the
captured video files via the Niagara Pro SCX Web Interface, and place those files in that default
location. This can be done on the System Configuration page of the Web Interface at the *Default
AV Folder box. By default, this folder is set to D:\AVFiles.
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After you input the preferred default location in the *Default AV Folder box, you can begin
exporting your files from Niagara Pro.
Press the <Menu> button to access the Niagara Pro menu.
Using the UP/DOWN arrow buttons, highlight the Export Files option and press the <Enter>
button.
Then select the To USB Device option and press <ENTER>.
The next screen will ask you to select the drive destination and to provide a list of active USB drives
connected to the Niagara Pro.
Select the USB drive to which you wish to export your file, and then press <ENTER>.
The next screen will ask you to select a source file, i.e., the file you want to export to the USB
device.
Your source file should appear on the following screen. NOTE: The file name on this screen is for
instructional purposes only.
Upon seeing the name of the file you wish to export on the screen shown directly above, press
<ENTER>. You will then see the following screens.
Once the Niagara Pro is finished exporting the file, you can remove the USB device.
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Advanced Operation: Using the Niagara SCX Web Interface
Accessing the Web Interface
The Niagara SCX Web Interface does not require software and works with any computer that has a
current Web browser, including Windows, Macintosh, and Linux machines. The Niagara Pro system
must either reside on a shared IP network with the computer or can be directly connected to a
Windows computer using an Ethernet cable (RJ45).
To access the Niagara SCX Web Interface, open the Web browser on your computer and access the
Web Interface by typing in the Niagara Pro machine name. For example, you would type
http://ps078906. The network name of the Niagara Pro is also its serial number and can be obtained
from the LCD readout during the power up process.
If the Niagara Pro is already powered up, the serial number can be obtained from the LCD display
while the system is idle.
At that time, the Niagara Pro LCD display will alternate between readouts similar to the following
displays:
If the name is not immediately displayed on the Niagara Pro is Ready window, press the <UP> and
<DOWN> arrow buttons to toggle through the system information until the name is displayed.
The serial number is also located on the bottom of the Niagara Pro.
Enter the Niagara Pro name in the Web Browser (as shown below) and press enter.
You will be prompted with a login screen that requires a username and password. By default, the
username and password are both admin.
After logging in, you will have access to all of the Web-enabled functions including encoder
operations, management, and system configuration tools.
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NOTE: If you cannot browse to the Niagara Pro using its machine name, type in the Niagara Pro IP
address instead. This information is also available from the Niagara Pro is Ready window when the
system is idle.
Starting an Encoding Session
To start an encoding session, move the mouse pointer over Encoders in the menu bar and click on
All Encoders in the drop-down menu.
All of the encoder profiles loaded on the Niagara Pro will be presented in a list indicating format and
current status.
Press the red Stream icon located in the right column of the encoder you wish to start.
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The Web page automatically updates with messages detailing the encoder start progress.
After the encoder has stopped successfully, the Web page will return to the All Encoders page with
the encoder status updated to reflect the Started mode.
Stopping an Encoding Session
If you are not already on the All Encoders page, move your mouse over Encoders in the menu bar
and click All Encoders in the drop-down menu.
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Press the blue Stop icon located in the right column of the encoder you wish to stop.
The Web page automatically updates with messages detailing the encoder stop progress.
After the encoder has stopped successfully, the Web page will return to the All Encoders page with
the encoder status updated to reflect Started mode.
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Viewing the Niagara Pro Activity Log
The Activity Log records the Encoder Start and Stop events. To view the Activity Log, move the
mouse pointer over Status in the menu bar and click on Activity Log in the drop-down menu.
The log is updated for every event on the Niagara Pro. The log now includes the starting and
stopping events for the encoder from the previous sections.
Each event is date and time stamped. Pressing the Clear Activity Log button in the upper-right clears
all logged activities.
Configuring the EZStream Buttons
The Niagara Pro provides one-button streaming via the EZStream® buttons located on the front
panel of the system. By default, these buttons are not assigned to an encoder. The Niagara SCX Web
Interface is used to configure each button to a specific encoder.
Move your mouse pointer over Encoders in the menu bar and click Preset A in the drop-down menu.
Encoder Preset (A, B, and C)
The Niagara Pro provides one-button streaming via the EZStream buttons located on the front panel
of the system. By default, these buttons are not assigned to an encoder. The Niagara SCX Web
Interface is used to configure each button to a specific encoder. The controls to configure these
buttons are located in the Encoder Preset A, Encoder Preset B, and Encoder Preset C pages.
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When you access the Encoder Preset A page, you are presented with the configuration option for the
EZStream A button. On this page is a graphic representation of the front panel of the Niagara Pro.
The A button is highlighted on this graphic representing you are actively assigning an encoder to this
corresponding EZStream button.
This page presents a Select Encoder field and a link at the bottom of the page to view the View All
Encoders page. If an encoder has been assigned to the Preset, then you will also be presented with
an Edit link next to the View All Encoders link.
Select Encoder
The Select Encoder field provides a drop-down menu which presents the complete list of all
encoders available on the Niagara Pro.
To assign an encoder select an encoder from the list and click the Submit button.
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The Web page will update the Preset A EZStream button and report success.
By clicking on the B and C buttons on the Niagara Pro graphic, you can assign encoders to those
EZStream buttons the same way.
NOTE: It is not possible to assign the same encoder to two EZStream buttons simultaneously. If an
encoder is already assigned to a button and you assign it to another button, Niagara Pro will remove
the association to the previous button in favor of the most current request.
View All Encoders
After assigning encoders to A, B, and C buttons, the Presets column on the All Encoders page is
updated to reflect these changes. To view these changes, click the All Encoders link at the bottom of
the page.
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Edit Preset Encoder Profile
After assigning encoders to the EZStream buttons, you can access the encoder editing page by
clicking the edit button at the bottom of the Preset page.
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AVI Encoder Properties
-31-
Flash
®
Encoder Properties
-32-
MPEG-4 Encoder Properties
-33-
Real Encoder Properties (Helix)
-34-
Windows Media Encoder Properties
For more information on setting up each type of encoder, proceed to the next section entitled Editing
an Encoding Profile.
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Editing an Encoder Profile
When you create a new encoder, you will be prompted to edit the new profile to your specific
encoder settings and requirements. You can also edit the existing encoder profiles provided by
default on Niagara Pro. The property windows for editing a new encoder or an existing encoder are
identical.
If you have performed the steps for adding an encoder, you should already see the encoder
properties page.
If not, you can edit an existing encoder profile. Go to the All Encoders screen.
Click the Edit link next to the encoder whose properties you wish to modify.
The properties page for that encoder is then displayed.
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Video & Audio Settings
Regardless of the encoder type, all types require you set the audio and video properties. These values
are the same for all encoder types except for the added color space setting for AVI and Flash
®
.
You can enable or disable video and/or audio by clicking the check box next to Source: When
enabled, the Source, Input, Signal, Proportions, Size, and Input fields can be edited.
Although the Niagara Pro is a two channel encoder, meaning you can only capture from two
physical audio and video sources at any given time, you can capture multiple streaming formats and
resolutions simultaneously from the same video source. To accomplish this, the video source is seen
as multiple inputs denoted by incrementing decimal values. They appear in the following manner:
• Osprey 5x0 Video Device 1.1
• Osprey 5x0 Video Device 1.2
• Osprey 5x0 Video Device 1.3
• Osprey 5x0 Video Device 1.4
Warning: Ensure all of the encoders using the same video Proportion and Size settings also use the
same video and audio source settings. For example, all encoders capturing at Standard proportion
and CIF size are set to Osprey-5x0 Video Device 1.1 while encoders capturing at Standard
proportion but QCIF resolution are set to Osprey-5x0 Video Device 1.2.
Set Input for both video and audio to match the connectors on the back of the Niagara Pro to which
you have connected your video and audio source. This would be either Composite, S-Video or SDI
for video input and Unbalanced, XLR Balanced, XLR AES/EBU or SDI for audio input.
When you performed the First Start Setup, you determine if your video signal was NTSC or PAL.
The Signal field adds granularity for regional NTSC, PAL, and SECAM settings. If you are
uncertain which setting applies, refer to the owner’s manual for the video source you have connected
to the Niagara Pro hardware.
The proportion setting uses the term Standard, meaning square pixels for a VGA monitor, and
CCIR-601, meaning elongated pixels for a TV monitor. Choose the setting that reflects the type of
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display on which your content will be viewed. For example, if you will be streaming your video on
the Internet to be viewed on a computer monitor, select Standard. If the inaccurate setting is
selected, your streaming video will be distorted.
The Size field refers to the pixel size of the encoded video. The standard sizes are as follows:
• Full-size for full screen video
• CIF for video scaled from full-size to one-fourth size
• QCIF for video scaled from full-size to one-fourth of CIF size
You can also specify a custom size for your video. This is useful when capturing video to be played
on a mobile video device that requires a non-standard size for compatibility. If you select Custom
from the drop-down menu, two additional fields will appear allowing you to type in the exact size
you want the resulting video to be.
NOTE: If you specify a video size incompatible with the color space of your source video, Niagara
Pro will automatically correct the size to the closest compatible setting when you click the Submit
button. The color space format setting is only available in AVI and Flash encoder properties and
appears as an additional field under the Size setting (see below).
Now that you have completed all of the Video and Audio settings, you can proceed to the encoder
type settings at the bottom of the page. As previously stated, these settings will vary according to the
encoder type.
Advanced Streaming Settings
SimulStream and DirectShow Filters
Filters have two interrelated purposes, as follows:
• They allow applications to enumerate and list DirectShow video capture and preview pins or
streams (each with different settings) as named entries in their video device select lists. The
video device driver can be configured to show 1 to 10 filters per device. Each filter has one
preview pin and one capture pin. Standard applications have the capability to access a
particular filter without any custom programming specialized for Osprey devices.
• Each filter has independent settings for cropping, default output size, watermarks, and
captions that can be stored between sessions. Compared with the previous “pin-based”
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method, no requirements are necessary for a particular startup order to associate settings with
instantiations.
Enable SimulStream Checkbox
The checkbox at the top of the group, when checked, enables SimulStream to run for the currently
selected device.
All Niagara appliances include a full SimulStream license installed for each A/V channel, and this
checkbox controls full SimulStreaming.
When you change the SimulStream Enable status and click Submit, it is strongly recommended you
restart the appliance. If you do not, SimulStream may become partially active, but the filters may be
incorrectly named, and their pins may be incorrect.
Show filters per device
With this control, you can set the device driver to expose 1 to 10 filters per device for enumeration
and selection by encoders. If, for example, 4 filters per device are chosen, device lists in applications
will show four entries for the currently chosen device. For device 1, they are designated as 1.1, 1.2,
1.3, and 1.4.
The number of filters you request will not display or work correctly until the system is restarted.
NOTE: While it is possible to expose and enumerate up to 10 filters per device, the practical number
of working filters will be less. The practical number of filters depends on the capability of the
appliance, the types of filtering enabled, the types of scaling and color format conversions requested
per encoder, and the type of processing being done. If the appliance has multiple capture channels,
the number of filters is the total across all channels. In addition, some types of processing, such as
deinterlacing and gamma corrections, which are performed once per channel may, in this case, occur
multiple times. In summary, an appliance can support 5, 6, or more concurrent filters on one device
if the processing per filter is light. However, only 2 or 3 simultaneously running filters can be
supported if the processing load inside or outside the driver is particularly heavy.
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Deinterlace
The deinterlace field has four drop-down choices, as follows:
• Off — Perform no deinterlacing of any kind.
• Auto — Apply inverse telecine deinterlacing to all telecine video. Apply motion adaptive
deinterlacing to all video that is not telecine. Switch dynamically between the two modes as
the content changes. Available for NTSC video only.
• Inverse Telecine — Apply inverse telecine deinterlacing to all telecine video. Perform no
deinterlacing of video that is not telecine. Available for NTSC video only.
• Motion Adaptive — Apply motion adaptive deinterlacing to all video.
Deinterlace settings are applied and stored per-device and are applied to all filters and pins
associated with a device.
Motion Adaptive Deinterlace
Motion adaptive deinterlace is an algorithm for deinterlacing pure video (non-telecine) content. It
detects which portions of the image are still, which portions are in motion, and then applies different
processing to each scenario.
Telecine and Inverse Telecine
Telecine video is NTSC video, which was originally created on film at 24 frames per second. In the
telecine conversion process, certain fields are repeated in a regular, recurring sequence. If a telecined
sequence is viewed directly on a progressive screen, interlacing artifacts will be visible.
The process called Inverse Telecine is the reverse of Telecine — it drops the redundant fields and
reassembles the video in a 24 fps progressive format. Interlacing artifacts are 100% removed. If the
video is viewed at 24 fps, you will see the exact timing and sequencing that was on the original film.
If the video is viewed at 30 fps, every fifth frame will be repeated. However, there will be no
deinterlacing artifacts.
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Telecine and inverse telecine only apply to NTSC video. They are not used for PAL and SECAM
video. The Auto and Inverse Telecine buttons will be disabled when either PAL or SECAM is
selected as the video standard.
Motion Threshold
Motion Threshold adjusts the threshold of difference from spatially- and temporally-related pixels,
which are judged to be “motion.” If you enter a higher value, the number of pixels in motion will be
greatly reduced. If you enter a lower value, the number of motion pixels greatly increases until the
entire screen, more or less, is considered in motion. The recommended default is 16.
Sharp and Smooth Motion
When the Sharp Motion radio button is selected, detail in motion areas will be sharper, but at the
expense of somewhat jagged diagonal edges.
When the Smooth Motion radio button is selected, more loss of detail will occur in motion areas,
but edges will be smoother.
Since the eye does not clearly see detail in areas of motion – and edge artifacts are highly intrusive –
the Smooth algorithm is preferred for most applications. The Smooth algorithm uses a bit more
CPU.
Both algorithms treat still areas in the same fashion, and there should be no loss of detail in still
areas.
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AVI Encoder Settings
AVI is an uncompressed audio and video storage format and therefore only has the ability to save to
a file. You can type in a unique name for the generated AVI file and modify the directory path to the
location the file will be stored. Clicking the Default Folder link will insert the path of the default
folder for file storage on the Niagara Pro. By default the path is d:\AVFILES\.
NOTE: It is not recommend you store files in any other directory on the Niagara Pro. This directory
provides approximately 85 gigabytes of data storage, which is not available on any other internal
hard drive on Niagara Pro.
Once you have saved your file to the Niagara Pro internal hard drive, ViewCast recommends you
move the drive to another external storage device such as a USB drive or a network drive for backup
purposes.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes. If you click away from the current page to another Web page without clicking Submit, your
changes will be lost.
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Flash Encoder Settings
The Flash encoder settings are similar to the AVI settings for saving the audio and video to a file.
However, Flash adds some additional frame and bit rate controls. The frame rate changes the frames
per second at which the video will be encoded. The audio format setting can be used to modify the
audio frequency and changes stereo to mono. The bit rate settings pertain to the amount of data per
second the audio and video are captured. Decreasing the bit rate for both or either will decrease the
playback viewing quality.
The Flash encoder creates a Flash format audio and video file. You can type in a unique name for
the Flash file (.flv).
After you have input your settings, click the Submit button at the bottom of the page to save your
changes. If you click away to another Web page without clicking Submit, your changes will be lost.
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MPEG-4 Encoder Settings
Encoder Settings Web Interface
The Niagara Pro software MPEG-4 compression engine provides H.263, MPEG-4 Part 2 SP/ASP,
and H.264/MPEG-4 Part 10 Baseline encoding functionality. This product provides the capabilities
to encode streams for Internet video, mobile phones, set top boxes and create media files for other
MPEG-4 compatible devices such as iPods
®
.
The Niagara Pro Web interface provides options for basic and advanced settings for the video and
audio options of MPEG-4 available with the Niagara Pro.
The figure below illustrates the screen you will see after creating an encoder through the Niagara Pro
Web interface.
-44-
The Advanced MPEG Video Settings provide you with the ability to choose the MPEG Type
required for your output. As set forth in the figure and descriptions of the MPEG Types set forth
below, these include the following:
MPEG-4
MPEG-4 is the basic MP4 compression which can be used for Web (streaming media)
and mobile devices. Use this compression setting if you are experiencing compatibility
issues with your playback software or device when using H.263 or H.264.
H.263
MPEG-4, Part 2, or H.263, is designed for situations where low bit rate and low
resolution are mandated by other conditions of the applications, like network bandwidth
or device size. Examples of video applications for H.263 are cell phones, some low end
video conferencing systems, and surveillance systems. H.263 is important for legacy
handheld devices that do not support H.264.
NOTE: By default, Niagara SCX’s H.263 uses Simple Profile unless you select the
“Enable B Frames” option. If B frames are enabled, then the resulting stream will be
Advanced Simple Profile.
H.264
H.264, MPEG-4, Part 10, or AVC (Advanced Video Coding) was designed for very high-
data compression while maintain better quality than its predecessor, H.263. It was also
created to address a broad range of applications from low bit rate to high bit rate and
from low resolution such as cell phones to high resolution such as broadcast.
Niagara SCX’s H.264 is Baseline Profile
3GP – MPEG-4
3GP is a multimedia container format defined by the Third Generation Partnership
Project (3GPP) for use on 3G mobile phones. It stores video streams such as MPEG-4 or
H.264 and audio streams such as AMR or AAC.
There are two defined standards for this format which are:
1) 3GPP for GSM based mobile phones
2) 3GPP2 for CDMA based mobile phones
This setting will create an MPEG-4 stream stored in a 3GPP container.
3GP – H.263
This setting will create an H.263 stream stored in a 3GPP container.
3GP – H.264
This setting will create an H.264 stream stored in a 3GPP container.
3G2 – MPEG-4
This setting will create an MPEG-4 stream stored in a 3G2 container.
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3G2 – H.263
This setting will create an H.263 stream stored in a 3G2 container.
3G2 – H.264
This setting will create an H.264 stream stored in a 3G2 container.
Also included under Advanced MPEG Video Settings are drop-down boxes for Encoder Quality,
ranging from Real-time to Highest, along with Frame Rate and the Bitrate (kbps).
NOTE: Some players, such as Quicktime
®
player, are not compatible with streams that include
B frames. If your resulting stream has quality issues on playback, try disabling B frames to ensure
compatibility with most players.
NOTE: The Video/Encoder Quality setting is currently not active and will not affect the results of
the encoding stream or file.
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The Advanced MPEG Audio Settings, provide you with several Audio Formats, Audio Types,
Audio Encoders, and Bitrates from which to choose. These choices include several options as to
audio sampling, and whether the audio is to be encoded monophonically (mono) or stereo.
The Audio Type setting is only related to AAC Encoding. If you select AMR in the Encoder field,
this setting is not used. The Audio Type field provides you with a drop-down box, which includes
two choices, as follows:
Main – This format is the same as LC (above), but adds backward prediction.
Low Complexity (LC) – The simplest and most widely used and support AAC audio format.
NOTE: Depending on the player on which the resulting stream will be heard, either choice will use a
specific set of tools to encode the audio stream. You should make your choice based on the
requirement of the playback software or device. The most widely supported format is LC profile.
-47-
The Audio Encoder settings provide you with a drop-down box, which includes two choices, as
follows:
AAC (Advanced Audio Coding) is a standardized, lossy compression and encoding scheme
for digital audio. AAC achieves better audio quality than MP3 and has been named a
standard by the Motion Picture Experts Group (MPEG)
AMR (Adaptive Multi-Rate Narrow-Band) is an audio data compression scheme optimized
for speech coding. AMR was adopted as the standard narrowband speech codec by 3GPP
and is widely used in GSM.
NOTE: When you select AMR Encoder for audio, the audio will automatically be encoded using
8 kHz mono for playback on cell phones.
The Audio Bitrate drop-down box provides you with several choices, as can be seen in the figure
below.
-48-
The Web interface for the Niagara Pro includes options for Streaming Properties and Advanced
Streaming Properties. As to the broadcast type you choose, you have the option to check the Enable
Streaming box. Please see the following section entitled Real Encoder (Helix) for a more detailed
description of enabling pull. Another option provides you with the abilities to Save to Portable
Media and provide a Media Title.
Under the Advanced Streaming Settings feature, you have the options to output to a file while
streaming, or output only to a file. You must type in a unique name and location for this file.
Check the Save to Portable Media box if you would like to save the encoded content to a file. Enter
a file destination in the field provided.
NOTE: Save to Portable Media option is used only by Niagara GoStream appliances and will not
function properly on other systems. Contact an authorized ViewCast reseller for information about
the Niagara GoStream and other Niagara streaming media appliances.
NOTE: Remember the file name is referenced to the encoder system, not to the system that is
running SCX Explorer.
When SCX Manager and SCX Explorer are not on the same computer, always start your browse for
files at My Network Places and work down or enter the entire file pathname beginning with the
system name (e.g., \\fileserver\c\videos). If you simply enter a file name, you may inadvertently
browse your local computer when the media file resides on the remote computer.
To stream your MPEG-4 content, select Enable Streaming. Set the appropriate streaming properties.
NOTE: The default settings will enable multicast streaming. If this is not desired, change the IP
address for Group to the IP address of the server to which you want to stream from the encoder.
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The Save sdp file field will require a name and destination path for the resulting SDP file created
when the stream is started. If you are streaming to a Helix
®
, a Quicktime, or a Darwin server, refer to
its respective documentation or online message boards for setup details specific for the individual
streaming server.
NOTE: You can stream point-to-point by selecting a share destination directory for the saved SDP
file. Remember to disable multicasting by entering in the IP address of the PC to which you want to
stream.
For example, if you want another PC to view the stream, save the SDP file to a share folder on the
local drive. The other PC can open the SDP file and the stream can be played in a Quicktime or other
MPEG-4 compatible streaming player. Since MPEG-4 encoding can be CPU intensive, it is not
recommend that view the stream on the same system as the Niagara SCX encoder unless you have a
very powerful system (dual-core processors or better). Doing so may overtax the host CPU which
will cause video quality degradation and encode session failure.
After you have input your settings, click the Submit button at the bottom of the Web interface page
to save your settings.
NOTE: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Real Encoder Settings (Helix)
Real (Helix) is both a storage format and a streaming format. In addition to the ability to output to
a file, the Real Encoder can stream to a Helix Server. The settings for the Real Encoder include the
ability to adjust parameters for connecting and streaming to the server.
Broadcast Method: There are several different broadcast types for streaming Real format video to a
Helix Server, as follows:
• Push, Account-Based Login (Helix Server)
o Account-based, push broadcasting allows you to send a stream to Helix Server
version 9 or later. In this method, Niagara Pro maintains a monitoring connection to
Helix Server. This connection allows it to pass a user name and password to
authenticate access to the server. Helix Server uses this connection to send statistics
about the broadcast stream back to Niagara Pro.
• Push, Password-Only Login (Helix Server)
o Unlike account-based broadcasting, password-only broadcasting does not establish a
monitoring connection. Therefore, this type of broadcasting requires less network
overhead, but receives no feedback from Helix Server. This broadcast method allows
you to send a live stream to Helix Server version 9 or later. However, you must set up
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the server as a receiver in a splitting arrangement. Please refer to Helix Server
documentation for details.
• Push, Multicast (Helix Server)
o In a multicast, Niagara Pro can deliver the same broadcast stream to any number of
Helix Servers without increasing its outgoing bandwidth. The Helix Servers will need
to be pre-configured for a multicast from Niagara Pro. Refer to your Helix Server
documentation for details.
• Pull (Helix Server)
o In pull broadcasting, Niagara Pro begins to generate broadcast packets as soon as you
start the encoding. However, it does not deliver the broadcast stream until Helix
Server requests the stream, which occurs when the first RealPlayer
®
user requests the
broadcast. In that way, Pull broadcasting saves bandwidth between Niagara Pro and
Helix Server when no one is viewing the broadcast. This broadcast method allows
you to send a stream to Helix Server version 9 or later.
• Legacy Push (8.x, 7.x, G2)
o The legacy push method is similar to the account-based push method. However, the
legacy push does not use a monitoring connection to provide server feedback and
statistics and is not as robust a broadcast method as an account-based push. Use this
broadcasting method only when sending a broadcast stream to a server that predates
Helix Server version 9, such as RealSystem
®
Server G2, 7, or 8.
Transport Protocol: When you use a push broadcast method, you specify whether to use UDP or
TCP upon delivering the broadcast stream to Helix Server. UDP is the preferred protocol due to the
lower network overhead. But you may want to use TCP when delivering the broadcast over a lossy
environment.
In the Stream Name field, enter a name for the broadcast stream. This name resembles a clip name
and should use the appropriate extension, either .rm for a constant bit rate stream or .rmvb for a
variable bit rate stream. This name appears in the broadcast URL.
For the Server Address field, enter the IP address or DNS name of the Helix Server used for the
broadcast, such as 207.188.7.176 or helixserver.example.com.
If using a Multicast Address, enter the multicast address for the broadcast stream in the Multicast
Address field. The Multicast Address must be in the range 224.0.0.0 to 239.255.255.255.
The Path (optional) field specifies a virtual path, which can be used for archiving or splitting on
Helix Server. Use a simple name followed by a forward slash, such as news/.
For the Port/Port Range field, specify the HTTP port on Helix Server. The default value is port 80,
which is the server's default HTTP port. If multicasting, indicate the range of ports on the Helix
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Server receivers where the broadcast packets will be sent. Niagara Pro and Helix Server negotiate
the actual ports to use once the broadcast begins. The default range is from 30001 to 30020.
In the Username and Password fields, enter the username and password defined in each Helix
Server receiver definition. The broadcast connection fails if the value is incorrect.
The next series of fields activate the Real Encoder’s filters to improve video and audio quality.
These filter settings will depend upon the type of content you are streaming and your subjective
preference. It is recommended you experiment with these settings and view their results on a test
capture.
The Niagara Pro features integrated de-interlacing and inverse telecine filters that automatically
apply when needed. This allows the Niagara Pro to perform at maximum efficiency. ViewCast
recommends you do not enable the Real encoder de-interlace and inverse telecine filters since
applying filters multiple times can produce undesirable results and consume additional system
resources.
Enable SureStream
™
: SureStream allows you to encode the broadcast stream for multiple
audiences. However, each primary stream or substream you choose increases the processor load
during encoding and adds to the outgoing bandwidth requirements. For example, with SureStream
enabled, you can choose the 56k Dial-up audience and the 128k Dual ISDN audience. In addition,
with SureStream enabled, the encoding might require twice as much processing power.
Regardless of whether or not you enable SureStream, you must choose at least one Audience
Selection for your stream.
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You can also choose to output to a file while streaming or output only to a file. Type in a unique
name for the file.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Windows Media Encoder Settings
Windows Media is both a storage format and a streaming format. In addition to the ability to output
to a file, the Windows Media encoder can stream to a Windows Media Server. The settings for
Windows Media encoder includes the ability to set parameters for connecting and streaming to the
server.
First select a Windows Media Capture Profile from the drop-down menu.
NOTE: Some Windows Media Capture Profiles have pre-defined video resolutions and input
selections. When you select a Windows Media Capture Profile, verify your current video and audio
settings have not been modified. If they have been modified, simply change these settings back to
their previous settings and click the Submit button.
When streaming audio and video, there are two methods of delivery, as follows:
• Pull: Using this method, Niagara Pro begins to generate broadcast packets as soon as you
start the encoding. However, it does not deliver the broadcast stream until Windows Media
Server requests the stream. This method does not provide a secure connection to the server
and should only be used if the encoder and server reside within the same network firewall.
• Push: Using this method, Niagara Pro maintains a secure connection to Windows Media
Server. This connection allows Niagara Pro to pass a user name and password to authenticate
access to the server.
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To enable clients to pull the stream from Niagara Pro, set up a session and begin broadcasting
directly from Niagara Pro. Clients (Windows Media servers or players) can connect to the stream at
any time by using the following URL format:
• http://IP_address:port (for Internet connections)
• http://encoding_computer_name:port (for LAN connections)
By default, Niagara Pro supports up to 50 direct connections during a broadcast.
NOTE: The greater the number of direct connections to Niagara Pro, the more system resources are
required. ViewCast does not recommend having players connect directly to Niagara Pro. Streaming
servers should connect to Niagara Pro and, in turn, players should connect to the servers.
Select the Enable Pull check box. Then, enter a port number that will be used by the server to pull
the stream from Niagara Pro.
NOTE: Be sure to enter a port number not already assigned to another encoder. If two encoders
attempt to use the same port number, one or both encoders will fail to start.
Select Enable Push and enter a port number not assigned to another encoder. Then, enter the server
name or IP address, Alias (optional), user name, and password.
You can also choose to output to file at the same time you are streaming to a server. However, you
can set the server to archive the file and streaming, allowing Niagara Pro to reserve its system
resources for encoding. Refer to the Windows Media Server documentation for details.
If you check Index the file, viewers will be able to direct access any point within the Windows
Media file using the Windows Media player. Indexing is also required for editing the Windows
Media file using Microsoft Windows Media Utilities.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Niagara SCX Web Interface will then display the All Encoders list.
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Deleting an Encoder Profile
You can also delete encoder profiles from Niagara Pro. It is valuable to remove encoders you will
not use, as every encoder profile, regardless if active or idle, uses active memory.
NOTE: Once you delete a custom profile, you cannot restore it. It must be recreated.
NOTE: If you delete a default encoder profile, you can restore it by using the Restore to Factory
Settings function.
NOTE: Running the Restore to Factory Settings will remove any custom encoder profiles you have
created and load only the default encoder profiles.
To delete an encoder profile, you must access the All Encoders list in the Niagara SCX Web
Interface.
You can delete an encoder by clicking the Del link next to the encoder you wish to remove.
Alternatively, you can click the Edit link to view the encoder profile, and to verify it is the encoder
you wish to remove.
-58-
Then, click the Delete Encoder link at the bottom of the page once you have verified it is the
encoder you want to delete.
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My Niagara Pro
The My Niagara Pro page provides details on software versions, network name, serial number, and
hard drive configurations. Most of the data on this page is for informational purposes and cannot be
altered. However, there are two fields that allow modifications, as follows:
• Computer Name
• Admin password
Computer Name
The Computer Name field contains the current network name for the Niagara Pro. This is the same
name you typed into a Web browser to access the Niagara SCX Web Interface. You can change the
Computer Name by clicking the Click to change name link next to this field.
The screen will refresh and now the Computer Name field is an editable text field. Type in a new
name for the Niagara Pro.
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Click the Submit button at the bottom of the page.
The page will refresh, and you will be prompted to reboot the Niagara Pro. Your changes will not
take effect until the system is restarted.
Click the Reboot Now link to restart the system and apply the Computer Name change.
While the Niagara Pro is restarting, the following message will appear in the Web Interface.
NOTE: The restart process takes approximately two minutes to complete.
When Niagara Pro has restarted, you will be returned to the Login screen.
NOTE: If you close your Web browser and later want to log into the SCX Web Interface, you will
need to use the new computer name you created to access Niagara Pro.
Niagara Pro Properties
The Niagara Pro Properties section has two fields: User Name and Serial Number. Only the User
Name field allows modification, which changes the User Password from the factory default.
Changing the Login Password from the Factory Default
Click the admin link in the User Name field. You will be presented with a new screen, which allows
you to change your login password for the SCX Web Interface.
NOTE: You cannot change the User Name for the SCX Web Interface.
Type in your current password in the Password field, and then type in the new password in both the
New Password and Confirm New Password fields.
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NOTE: The SCX Web Interface password is case sensitive.
Then click the Change Password button. You will then be presented with the results, which are
shown below.
NOTE: You will need to log back into the Web Interface with your new password.
Restoring the Login Password to the Factory Default
If you have forgotten or lost your password, you can restore the default password by running the
Restore Niagara Pro Factory Defaults option. For more information, see Restore Niagara Pro
Factory Defaults in the System Configuration section in the following sections.
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Niagara Pro Alerts
The representation below provides you with a representation of a page that allows you to control
how Niagara Pro handles application alerts that may occur during streaming or other operations.
Niagara Pro can optionally send an email to multiple recipients and light the alarm light on the front
panel of the Niagara Pro.
Email Alert
You can optionally send an email alert to specific email address in the event of an application alarm.
Checking Send Email will enable this feature. You must specify the email address to which an alert
will be sent, along with your email server username, password, and server name. For more
information about configuring Niagara Pro to send email alerts, see the System Configuration
section in the following sections.
Alarm Light
Checking the Light Alarm box will instruct Niagara Pro to light the front panel alarm light.
Edit Alert Settings
To edit the settings for each alert listed, click the Edit link in the row of the alert you want to
modify.
-63-
Once you have made your modifications to the alert settings, click the Update link to enter your
settings and return to the Niagara Pro Alerts list.
Network Properties
The Network Properties page provides detailed information on the Niagara Pro’s current network
settings for the Network Interface Card (NIC).
-64-
Network Card(s)
Niagara Pro has two 1,000 megabit network connections. To view the current properties for each
card, select the card you wish to view from the drop-down menu in the Network Card(s) field.
Advanced Settings (Network)
Advanced Settings provides the Niagara Pro network name, MAC Address and server IP address
settings.
The Niagara Pro network name is a link. If you click this link, you will be directed to the My
Niagara Pro page. From this page you can change the Niagara Pro’s network name. For more
information, see the preceding section entitled Computer Name.
The Active Network Link field uses two icons to indicate whether the network interface card
selected has a network connected.
Network Link Icon Description
The network link is detected.
The network link is not detected.
-65-
System Configuration Settings
The System Configuration Settings page allows you to modify your Niagara Pro default system
settings. You can configure email settings so Niagara Pro can send an email to predefined email
addresses whenever Niagara Pro encounters an alert condition. You can also customize the
information Niagara Pro displays on its front panel when the system is idle.
This page also provides the ability to restore your Niagara Pro to its original factory disk image
returning all of the system settings to their original state. Using the Factory Restore option will
remove all custom settings and takes approximately ten minutes to complete.
Restore Niagara Pro Factory Defaults
Click the Restore Niagara Pro Factory Defaults link to start the process.
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The screen below provides details, as you would be provided, as to the process you are about to
execute, and allows you the opportunity to cancel the process.
NOTE: Restore to Factory Defaults rebuilds the Niagara Pro primary disk drive (C:) with the
original system image. All custom settings and any files saved to drive (C:) will be lost. This process
cannot be reversed. However, you can manually re-enter your custom settings once the Niagara Pro
restore process is completed.
NOTE: The default directory for saving your audio and video files is D:\AV Files\. When using the
Restore to Factory Defaults option, only drive (C:) is re-imaged. All files and folders on drive (D:)
are preserved. To ensure your personal files are not removed, always use the default directory –
drive (D:) – for storage of personal files.
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Email Settings
If you are unfamiliar with setting up an SMTP email account for sending email, please contact your
network administrator for assistance.
To configure Niagara Pro email settings, you will need to enter the following information:
• The address to which to send the email (separate multiple email address with a comma)
• A valid email address from which the email comes
• A subject line for your email alert – required
• The SMTP (mail server) settings
o User name for server access
o Password (if required)
o The name of the SMTP server
NOTE: For security purposes, the password for your account will not be displayed once it has been
entered into the Niagara Pro settings. However, although this field appears blank after you click the
Submit button, the password information has been retained.
NOTE: If you change any information in this dialogue box, you will need to re-enter your SMTP
password before clicking the Submit button. Not doing so will overwrite the previously entered
password with a blank entry.
Once you have entered the information above, click the Submit button to save your changes. Please
see the screenshot directly below.
You can test your settings by clicking the Send Test Email link. The resulting page will report if the
email was successfully sent or there was a send failure.
-68-
Idle Screen Information
This section allows you to modify the information displayed in the Niagara Pro LCD display on its
front panel.
Check the boxes next to the information you wish to be displayed. This information is cycled as the
LCD display alternates between status information and encoder information.
At the top of the LCD idle screen is the default message Niagara Pro is Ready. You can customize
this message.
Once you have entered the information above, click the Submit button to save your changes.
Default Directory Setting
NOTE: ViewCast strongly recommends you do not alter the default directory setting unless you
understand the risk of saving your files to a directory not located on drive D. If you save your files to
another drive on Niagara Pro, these files could be deleted if you use the Restore to Niagara Pro
Factory Defaults feature.
NOTE: Only drive D on the Niagara Pro has available storage to save your files. This drive has
approximately 85 Gigabytes of storage capacity.
NOTE: Drives C, E, and F are used strictly for Niagara Pro operational programs. Any
modifications to these drives can permanently damage your system and void your warranty.
The Default AV Folder is the directory Niagara Pro stores AV files created whenever you select the
Save to File option in an encoder profile. Refer to the Save to File option under the AVI, Flash
®
,
Real, and Windows Media Encoder Properties sections for information on setting an encoder
profile to create an AV file.
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High Temperature Alert
You can enable an alert if the Niagara Pro reaches a predefined maximum temperature level. To set
the level, select the drop-down menu.
The Alert Configuration links to the Niagara Pro Alerts page. Refer to the previous sections for
information on setting the Niagara Pro Alerts.
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Niagara Pro EASE Menu (LCD Display)
This section provides the detail of the LCD menu tree. It is intended to be a complete reference to all
levels and functions accessible using the Niagara Pro front panel LCD display.
It is designed to be a visual reference of the LCD screen including the front panel button action to
move to the next screen. This section utilizes these graphical icons for the various button actions.
• Power On
• Access Menu/Return to Previous
• Enter/Execute Command
• Move Pointer Up/Down
• Start Encoder
• Stop Encoder
• Load Encoder
Encode Menu
Encode Start
Encode Stop
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Encode Status
Access Health Menu
CPU Status
Memory Available
Temperature Status
( X 2)
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Setup Niagara Pro Menu
Network Link Status
Network MAC Address
View Network Settings
-73-
Enable DHCP
Set Static IP Addresses
( X 3)
( X 4)
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( X 6) ( X 5)
(
X 3)
(
X 4)
Set Gateway Address
( X 2)
( X 5)
( X 5)
( X 2)
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( X 5)
( X 5)
( X 2)
( X 5)
( X 5)
Set Date & Time
( X 5)
( X 15)
( X 2)
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( X 16)
( X 25)
Setting Temperature Alarm
( X 3)
( X 2)
( X 2)
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Export Files Menu
Export to USB Drive
[NOTE: Filename used for instructional purposes only]
Shutdown Niagara Pro
( X 4)
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Niagara SCX Web Interface
The Niagara Pro includes the Niagara SCX Web Interface, which allows you to access the advanced
system settings. The Web Interface also provides detailed settings and control over the encoder
profiles installed on Niagara Pro. This section details each setting and page of the Niagara SCX Web
Interface.
Log In
The Niagara SCX Web Interface does not require software and works with any computer that has a
current Web browser and current operating software for Windows™, Macintosh™, and Linux™
machines. The Niagara Pro system must either reside on a shared IP network with the computer or
can be directly connected to a Windows computer using an Ethernet cable (RJ45).
Open the Web browser on your computer and access the Web Interface by typing in the Niagara Pro
network name. The network name of the Niagara Pro is also its serial number and can be obtained
from the LCD readout during the power-up process.
The serial number is also located on the right side of the Niagara Pro.
Enter the Niagara Pro name in the Web Browser, as shown below, and press enter.
You will be prompted with a login screen requiring a username and password.
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By default, the username and password are admin.
NOTE: If you cannot browse to the Niagara Pro using its machine name, type in the Niagara Pro IP
address instead. This information is available by accessing the LCD menus on the front panel of
Niagara Pro.
Home Page
The Home Page is the first page presented after you log into the Niagara SCX Web Interface. From
this page, you can access the different pages for configuring, controlling, and monitoring the
activities and alerts from Niagara Pro.
Menu Bar
The menu bar at the top of the Home Page is consistent and available throughout the Web site.
With the exception of the Home and the Log Out menu options in the menu bar at the top of the
Home Page, the other options in the menu bar have drop-down menus. These drop-down menus
appear within Encoders, Configuration, and Status. Each drop-down menu provides a list of
additional options available.
Home
The Home title is an active link. Clicking this link will direct you to the Home Page of the Web site.
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Encoders
The Encoders drop-down menu provides access to the following Web pages that provide the
following information:
• All Encoders – Lists all of the encoding profiles loaded on the Niagara Pro and provides
management of those profiles
• Preset A – Allows you to assign a loaded encoding profile to the A button on the front panel
of the Niagara Pro
• Preset B – Allows you to assign a loaded encoding profile to the B button on the front panel
of the Niagara Pro
• Preset C – Allows you to assign a loaded encoding profile to the C button on the front panel
of the Niagara Pro
Configuration
The Configuration drop-down menu provides access to the following:
• My Niagara Pro – Provides details on the Machine Properties of the Niagara Pro including
the Network Name, Serial Number, and all software versions installed
• Niagara Pro Alerts – Allows modification of the settings for each application alert Niagara
Pro could generate during normal operations
• Network Properties – Provides information on Niagara Pro network properties and addresses
for both NIC ports and allows modification to these properties
• System Configuration – Allows modification of the system configuration including setup for
email alerts from Niagara Pro whenever it encounters an operation error
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Status
The Status drop-down menu provides access to the following:
• View Activity Log – A list of all Niagara Pro activities with date and timestamp on each
event
• View Alert – A list of Niagara Pro alerts with date and timestamp on each alert
Log Out
The Log Out option executes user log out from the Niagara Pro and returns you to the Web site Log
In screen.
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All Encoders
The All Encoders Web page provides a list of all of the encoder profiles loaded on the Niagara Pro.
On this page, you can do the following:
• View all of the loaded and available encoder profiles
• Start and Stop each encoder individually
• Access the Editing page for an encoder
• Delete an encoder profile
• Create an encoder profile
The Encoders list has five titled columns, as follows:
• Name – Provides the name of the encoder profile (this name is displayed in the Niagara Pro
front panel LCD display)
• Description – Defines the type of encoder which are AVI, Flash, Helix Producer, and
Windows Media
• Last Status – Provides the activity of the encoder when the information on this page was last
refreshed (for example, Encoder started or Encoder failed to start)
• Streaming – Provides a column of buttons that allow you to start or stop an encoder
• Presets – Provides information on the EZStream button assignment for each encoder (if this
field is blank then the encoder is not assigned to a EZStream button)
Enabling the Auto Refresh Page check box at the top of the page will execute a refresh of this page
every 10 seconds. This is useful when you are monitoring the Niagara Pro while another user is
operating it.
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Start Encoder
Press the red Stream icon located in the right column of the encoder you wish to start.
The Web page will automatically update with messages detailing the encoder start progress.
After the encoder has started successfully, the Web page will return to the All Encoders page with
the encoder status updated to reflect Started mode.
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Stop Encoder
Press the blue Stop icon located in the right column of the encoder you wish to stop.
The Web page will automatically update with messages detailing the encoder stop progress.
After the encoder has started successfully, the Web page will return to the All Encoders page with
the encoder status updated to reflect Started mode.
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Edit Encoder
To edit an encoder, click the Edit link in the first column.
The properties page for that encoder will be displayed.
Video & Audio Settings
The properties page for each encoder type use the same Video and Audio Settings except for the
added color space setting for AVI and Flash.
You enable or disable video and/or audio by clicking the check box next to Source. When enabled,
the Source, Input, Signal, Proportions, Size, and Input fields can be edited.
Source: This field displays a drop-down list of devices available on the Niagara Pro. The Niagara
Pro is a two channel encoder, so there are two physical sets of audio and video inputs can be used at
any one time. However, you can capture multiple streaming formats and resolutions simultaneously
from this one set of video inputs. Video source is seen as multiple inputs denoted by incrementing
decimal values. They appear in this manner:
• Osprey 5x0 Video Device 1.1
• Osprey 5x0 Video Device 1.2
• Osprey 5x0 Video Device 1.3
• Osprey 5x0 Video Device 1.4
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Set Input for both video and audio to match the video and audio inputs on the back of the Niagara
Pro to which you connected your video and audio source. This would be either Composite, S-Video
or SDI for video input and Unbalanced, XLR Balanced, XLR AES/EBU or SDI for audio input.
When you performed the First Start Setup, you determined if your video signal was NTSC or PAL.
The Signal field adds granularity for regional NTSC, PAL, and SECAM settings. If you are
uncertain which setting applies, refer to the owner’s manual for the video source you have connected
to the Niagara Pro.
The proportion setting uses the term Standard, which means square pixels for a VGA monitor and
CCIR-601, which means elongated pixels for a television monitor. Choose the setting that reflects
the type of display on which your content will be viewed. For example, if you will be streaming your
video on the Internet to be viewed on a computer monitor, select Standard. Selecting the incorrect
setting can make the streaming video appear distorted.
The size field refers to the pixel size of the encoded video. The standard sizes are as follows:
• Full for full screen video
• CIF for video scaled from full size to ¼ size
• QCIF for video scaled from full size to ¼ of CIF size
You can also specify a custom size for your video. This is useful when capturing video to be played
on a mobile video device that requires a non-standard size for compatibility. If you select Custom
from the drop-down menu, two additional fields will appear allowing you to type in the exact size
you want the resulting video to be.
NOTE: If you specify a video size incompatible with the color space of your source video, Niagara
Pro will automatically correct the size to the closest compatible setting when you click the Submit
button. The color space format setting is only available in AVI and Flash encoder properties, and
appears as an additional field under the Size setting (see below).
Now that you have completed all of the Video and Audio settings, you can proceed to the encoder
type settings at the bottom of the page. As previously stated, these settings will vary according to the
encoder type.
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Advanced Streaming Settings
SimulStream and DirectShow Filters
Filters have two interrelated purposes, as follows:
• They allow applications to enumerate and list DirectShow video capture and preview pins or
streams (each with different settings) as named entries in their video device select lists. The
video device driver can be configured to show 1 to 10 filters per device. Each filter has one
preview pin and one capture pin. Standard applications have the capability to access a
particular filter without any custom programming specialized for Osprey devices.
• Each filter has independent settings for cropping, default output size, watermarks, and
captions that can be stored between sessions. Compared with the previous “pin-based”
method, no requirements are necessary for a particular startup order to associate settings with
instantiations.
Enable SimulStream Checkbox
The checkbox at the top of the group, when checked, enables SimulStream to run for the currently
selected device.
All Niagara appliances include a full SimulStream license installed for each A/V channel, and this
checkbox controls full SimulStreaming.
When you change the SimulStream Enable status and click Submit, it is strongly recommended you
restart the appliance. If you do not, SimulStream may become partially active, but the filters may be
incorrectly named, and their pins may be incorrect.
Show filters per device
With this control, you can set the device driver to expose 1 to 10 filters per device for enumeration
and selection by encoders. If, for example, 4 filters per device are chosen, device lists in applications
will show four entries for the currently chosen device. For device 1, they are designated as 1.1, 1.2,
1.3, and 1.4.
The number of filters you request will not display or work correctly until the system is restarted.
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NOTE: While it is possible to expose and enumerate up to 10 filters per device, the practical number
of working filters will be less. The practical number of filters depends on the capability of the
appliance, the types of filtering enabled, the types of scaling and color format conversions requested
per encoder, and the type of processing being done. If the appliance has multiple capture channels,
the number of filters is the total across all channels. In addition, some types of processing, such as
deinterlacing and gamma corrections, which are performed once per channel may, in this case, occur
multiple times. In summary, an appliance can support 5, 6, or more concurrent filters on one device
if the processing per filter is light. However, only 2 or 3 simultaneously running filters can be
supported if the processing load inside or outside the driver is particularly heavy.
Deinterlace
The deinterlace field has four drop-down choices, as follows:
• Off — Perform no deinterlacing of any kind.
• Auto — Apply inverse telecine deinterlacing to all telecine video. Apply motion adaptive
deinterlacing to all video that is not telecine. Switch dynamically between the two modes as
the content changes. Available for NTSC video only.
• Inverse Telecine — Apply inverse telecine deinterlacing to all telecine video. Perform no
deinterlacing of video that is not telecine. Available for NTSC video only.
• Motion Adaptive — Apply motion adaptive deinterlacing to all video.
Deinterlace settings are applied and stored per-device and are applied to all filters and pins
associated with a device.
Motion Adaptive Deinterlace
Motion adaptive deinterlace is an algorithm for deinterlacing pure video (non-telecine) content. It
detects which portions of the image are still, which portions are in motion, and then applies different
processing to each scenario.
Telecine and Inverse Telecine
Telecine video is NTSC video, which was originally created on film at 24 frames per second. In the
telecine conversion process, certain fields are repeated in a regular, recurring sequence. If a telecined
sequence is viewed directly on a progressive screen, interlacing artifacts will be visible.
The process called Inverse Telecine is the reverse of Telecine — it drops the redundant fields and
reassembles the video in a 24 fps progressive format. Interlacing artifacts are 100% removed. If the
video is viewed at 24 fps, you will see the exact timing and sequencing that was on the original film.
If the video is viewed at 30 fps, every fifth frame will be repeated. However, there will be no
deinterlacing artifacts.
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Telecine and inverse telecine only apply to NTSC video. They are not used for PAL and SECAM
video. The Auto and Inverse Telecine buttons will be disabled when either PAL or SECAM is
selected as the video standard.
Motion Threshold
Motion Threshold adjusts the threshold of difference from spatially- and temporally-related pixels,
which are judged to be “motion.” If you enter a higher value, the number of pixels in motion will be
greatly reduced. If you enter a lower value, the number of motion pixels greatly increases until the
entire screen, more or less, is considered in motion. The recommended default is 16.
Sharp and Smooth Motion
When the Sharp Motion radio button is selected, detail in motion areas will be sharper, but at the
expense of somewhat jagged diagonal edges.
When the Smooth Motion radio button is selected, more loss of detail will occur in motion areas,
but edges will be smoother.
Since the eye does not clearly see detail in areas of motion – and edge artifacts are highly intrusive –
the Smooth algorithm is preferred for most applications. The Smooth algorithm uses a bit more
CPU.
Both algorithms treat still areas in the same fashion, and there should be no loss of detail in still
areas.
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AVI Encoder Settings
AVI is an uncompressed audio and video storage format and, therefore, has only the ability to save
to a file. You can type in a unique name for the generated AVI file and modify the directory path to
the location the file will be stored. Clicking the Default Folder link will insert the path of the default
folder for file storage on the Niagara Pro. By default, the path is d:\AVFILES\.
NOTE: ViewCast does not recommend you store files in any other directory on the Niagara Pro.
This directory provides approximately 85 gigabytes of data storage, which is not available on any
other internal hard drive on Niagara Pro.
Once you save your file to the Niagara Pro internal hard drive, ViewCast recommends you move it
to another external storage device, such as a USB drive or a network drive.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Flash Encoder Settings
The Flash encoder settings are similar to the AVI settings for saving the audio and video to a file.
However, Flash adds some additional frame and bit rate controls. The frame rate changes the frames
per second at which the video will be encoded. The audio format setting can be used to modify the
audio frequency and changes stereo to mono. The bit rate settings pertain to the amount of data per
second the audio and video are captured. Decreasing the bit rate for both or either will decrease the
playback viewing quality.
The Flash encoder creates a Flash format audio and video file. You can type in a unique name for the
Flash file (.flv).
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without clicking Submit, your changes will be lost.
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MPEG-4 Encoder Settings
Encoder Settings Web Interface
The Niagara Pro software MPEG-4 compression engine provides H.263, MPEG-4 Part 2 SP/ASP,
and H.264/MPEG-4 Part 10 Baseline encoding functionality. This product provides the capabilities
to encode streams for Internet video, mobile phones, set top boxes and create media files for other
MPEG-4 compatible devices such as iPods
®
.
The Niagara Pro Web interface provides options for basic and advanced settings for the video and
audio options of MPEG-4 available with the Niagara Pro.
The figure below illustrates the screen you will see after creating an encoder through the Niagara Pro
Web interface.
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The Advanced MPEG Video Settings provide you with the ability to choose the MPEG Type
required for your output. As set forth in the figure and descriptions of the MPEG Types set forth
below, these include the following:
MPEG-4
MPEG-4 is the basic MP4 compression which can be used for web (streaming media) and
mobile devices. Use this compression setting if you are experiencing compatibility issues
with your playback software or device when using H.263 or H.264.
H.263
MPEG-4, Part 2, or H.263, is designed for situations where low bit rate and low
resolution are mandated by other conditions of the applications, like network bandwidth
or device size. Examples of video applications for H.263 are cell phones, some low end
video conferencing systems, and surveillance systems. H.263 is important for legacy
handheld devices that do not support H.264.
NOTE: By default, Niagara SCX’s H.263 uses Simple Profile unless you select the
“Enable B Frames” option. If B frames are enabled, then the resulting stream will be
Advanced Simple Profile.
H.264
H.264, MPEG-4, Part 10, or AVC (Advanced Video Coding) was designed for very high-
data compression while maintain better quality than its predecessor, H.263. It was also
created to address a broad range of applications from low bit rate to high bit rate and
from low resolution such as cell phones to high resolution such as broadcast.
Niagara SCX’s H.264 is Baseline Profile
3GP – MPEG-4
3GP is a multimedia container format defined by the Third Generation Partnership
Project (3GPP) for use on 3G mobile phones. It stores video streams such as MPEG-4 or
H.264 and audio streams such as AMR or AAC.
There are two defined standards for this format which are:
1) 3GPP for GSM based mobile phones
2) 3GPP2 for CDMA based mobile phones
This setting will create an MPEG-4 stream stored in a 3GPP container.
3GP – H.263
This setting will create an H.263 stream stored in a 3GPP container.
3GP – H.264
This setting will create an H.264 stream stored in a 3GPP container.
3G2 – MPEG-4
This setting will create an MPEG-4 stream stored in a 3G2 container.
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3G2 – H.263
This setting will create an H.263 stream stored in a 3G2 container.
3G2 – H.264
This setting will create an H.264 stream stored in a 3G2 container.
Also included under Advanced MPEG Video Settings are drop-down boxes for Encoder Quality,
ranging from Real-time to Highest, along with Frame Rate and the Bitrate (kbps).
NOTE: Some players, such as Quicktime
®
player, are not compatible with streams that include
B frames. If your resulting stream has quality issues on playback, try disabling B frames to ensure
compatibility with most players.
NOTE: The Video/Encode Quality setting is currently not active and will not affect the results of the
encoding stream or file.
The Advanced MPEG Audio Settings, provide you with several Audio Formats, Audio Types,
Audio Encoders, and Bitrates from which to choose. These choices include several options as to
audio sampling, and whether the audio is to be encoded monophonically (mono) or stereo.
The Audio Type setting is only related to AAC Encoding. If you select AMR in the Encoder field,
this setting is not used. The Audio Type field provides you with a drop-down box, which includes
two choices, as follows:
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Main – This format is the same as LC (above), but adds backward prediction.
Low Complexity (LC) – The simplest and most widely used and support AAC audio format.
NOTE: Depending on the player on which the resulting stream will be heard, either choice will use a
specific set of tools to encode the audio stream. You should make your choice based on the
requirement of the playback software or device. The most widely supported format is LC profile.
The Audio Encoder settings provide you with a drop-down box, which includes two choices, as
follows:
AAC (Advanced Audio Coding) is a standardized, lossy compression and encoding scheme
for digital audio. AAC achieves better audio quality than MP3 and has been named a
standard by the Motion Picture Experts Group (MPEG)
AMR (Adaptive Multi-Rate Narrow-Band) is an audio data compression scheme optimized
for speech coding. AMR was adopted as the standard narrowband speech codec by 3GPP
and is widely used in GSM.
NOTE: When you select AMR Encoder for audio, the audio will automatically be encoded using
8 kHz mono for playback on cell phones.
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The Audio Bitrate drop-down box provides you with several choices, as can be seen in the figure
below.
The Web interface for the Niagara Pro includes options for Streaming Properties and Advanced
Streaming Properties. As to the broadcast type you choose, you have the option to check the Enable
Streaming box. Please see the following section entitled Real Encoder (Helix) for a more detailed
description of enabling pull. Another option provides you with the abilities to Save to Portable
Media and provide a Media Title.
Under the Advanced Streaming Settings feature, you have the options to output to a file while
streaming, or output only to a file. You must type in a unique name and location for this file.
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Check the Save to Portable Media box if you would like to save the encoded content to a file. Enter
a file destination in the field provided.
NOTE: Save to Portable Media option is used only by Niagara GoStream appliances and will not
function properly on other systems. Contact an authorized ViewCast reseller for information about
the Niagara GoStream and other Niagara streaming media appliances.
NOTE: Remember the file name is referenced to the encoder system, not to the system that is
running SCX Explorer.
When SCX Manager and SCX Explorer are not on the same computer, always start your browse for
files at My Network Places and work down or enter the entire file pathname beginning with the
system name (e.g., \\fileserver\c\videos). If you simply enter a file name, you may inadvertently
browse your local computer when the media file resides on the remote computer.
To stream your MPEG-4 content, select Enable Streaming. Set the appropriate streaming
properties.
NOTE: The default settings will enable multicast streaming. If this is not desired, change the IP
address for Group to the IP address of the server to which you want to stream from the encoder.
The Save sdp file field will require a name and destination path for the resulting SDP file created
when the stream is started. If you are streaming to a Helix
®
, a Quicktime, or a Darwin server, refer to
its respective documentation or online message boards for setup details specific for the individual
streaming server.
NOTE: You can stream point-to-point by selecting a share destination directory for the saved SDP
file. Remember to disable multicasting by entering in the IP address of the PC to which you want to
stream.
For example, if you want another PC to view the stream, save the SDP file to a share folder on the
local drive. The other PC can open the SDP file and the stream can be played in a Quicktime or other
MPEG-4 compatible streaming player. Since MPEG-4 encoding can be CPU intensive, it is not
recommend that view the stream on the same system as the Niagara SCX encoder unless you have a
very powerful system (dual-core processors or better). Doing so may overtax the host CPU which
will cause video quality degradation and encode session failure.
After you have input your settings, click the Submit button at the bottom of the Web interface page
to save your settings.
NOTE: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Real Encoder Settings (Helix)
Real (Helix) is both a storage format and a streaming format. In addition to the ability to output to a
file, the Real Encoder can stream to a Helix Server. The settings for the Real Encoder include the
ability to adjust parameters for connecting and streaming to the server.
Broadcast Method: There are several different broadcast types for streaming Real format video to a
Helix Server. They are as follows:
• Push, Account-Based Login (Helix Server)
o Account-based, push broadcasting allows you to send a stream to Helix Server
version 9 or later. In this method, Niagara Pro maintains a monitoring connection to
Helix Server. This connection allows it to pass a user name and password to
authenticate access to the server. Helix Server uses this connection to send statistics
about the broadcast stream back to Niagara Pro.
• Push, Password-Only Login (Helix Server)
o Unlike account-based broadcasting, password-only broadcasting does not establish a
monitoring connection. It therefore incurs less network overhead, but it receives no
feedback from Helix Server. This broadcast method allows you to send a live stream
to Helix Server version 9 or later. However, you must set up the server as a receiver
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in a splitting arrangement. Please refer to the Helix Server documentation included
with the Helix Server for details.
• Push, Multicast (Helix Server)
o In a multicast, Niagara Pro can deliver the same broadcast stream to any number of
Helix Servers without increasing its outgoing bandwidth. The Helix Servers will need
to be pre-configured for a multicast from Niagara Pro. Refer to your Helix Server
documentation for details.
• Pull (Helix Server)
o In pull broadcasting, Niagara Pro begins to generate broadcast packets as soon as you
start the encoding. However, it does not deliver the broadcast stream until Helix
Server requests the stream, which occurs when the first RealPlayer user requests the
broadcast. Pull broadcasting saves bandwidth between Niagara Pro and Helix Server
when no one is viewing the broadcast. This broadcast method allows you to send a
stream to Helix Server version 9 or later.
• Legacy Push (8.x, 7.x, G2)
o The legacy push method is similar to the account-based push method. It does not use
a monitoring connection to provide server feedback and statistics. However, it is not
as robust a broadcast method as account-based push. Use this broadcast method only
when sending a broadcast stream to a server predating Helix Server version 9, such as
RealSystem Server G2, 7, or 8.
Transport Protocol: When you use a push broadcast method, you specify whether to use UDP or
TCP when delivering the broadcast stream to Helix Server. UDP is the preferred protocol because of
the lower network overhead. But you may want to use TCP when delivering the broadcast over a
lossy environment.
In the Stream Name field, enter a name for the broadcast stream. This name resembles a clip name
and should use the appropriate extension, either .rm for a constant bit rate stream or .rmvb for a
variable bit rate stream. This name appears in the broadcast URL.
For the Server Address field, enter the IP address or DNS name of the Helix Server used for the
broadcast, such as 207.188.7.176 or helixserver.example.com.
If using a Multicast Address, enter the multicast address for the broadcast stream in the Multicast
Address field. It must be in the range 224.0.0.0 to 239.255.255.255.
The Path (optional) field specifies a virtual path, which can be used for archiving or splitting on
Helix Server. Use a simple name followed by a forward slash, such as news/.
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For the Port/Port Range field, specify the HTTP port on Helix Server. The default value is port 80,
which is the server's default HTTP port. If multicasting, indicate the range of ports on the Helix
Server receivers where the broadcast packets will be sent. Niagara Pro and Helix Server negotiate
the actual ports to use once the broadcast begins. The default range is 30001 to 30020.
In the Username and Password fields, enter the username and password defined in each Helix
Server receiver definition. The broadcast connection fails if the value is incorrect.
The next series of fields activate the Real encoder’s filters to improve video and audio quality. These
filter settings will depend upon the type of content you are streaming and your subjective preference.
ViewCast recommends you experiment with these settings and view the results on a test capture.
The Niagara Pro features integrated de-interlacing and inverse telecine filters that automatically
apply when needed. This allows the Niagara Pro to perform at maximum efficiency. ViewCast
recommends you do not enable the Real Encoder de-interlace and inverse telecine filters since
applying filters multiple times can produce undesirable results and consume additional system
resources.
Enable SureStream: SureStream allows you to encode the broadcast stream for multiple audiences.
However, each primary stream or substream you choose increases the processor load during
encoding and adds to the outgoing bandwidth requirements. For example, with SureStream enabled,
you can choose the 56k Dial-up audience and the 128k Dual ISDN audience. With SureStream
enabled, the encoding might require twice as much processing power.
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Regardless of whether or not you enable SureStream, you must choose at least one Audience
Selection for your stream.
You can also choose to output to a file while streaming or output only to a file. In the File Name
field, type in a unique name for the Real file.
NOTE: If you use the same name as a current file, the current file will be overwritten.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Windows Media Encoder Settings
Windows Media is a storage format and a streaming format. Besides the ability to output to a file,
the Windows Media encoder can stream to a Windows Media Server. The settings for Windows
Media encoder include the ability to set parameters for connecting and streaming to the server.
First select a Windows Media Capture Profile from the drop-down menu.
NOTE: Some Windows Media Capture Profiles have pre-defined video resolutions and input
selections. When you select a Windows Media Capture Profile, verify your current video and audio
settings have not been modified. If so, simply change these settings back to their previous selection
and click the Submit button.
When streaming audio and video, there are two methods of delivery:
• Pull: Using this method, Niagara Pro begins to generate broadcast packets as soon as you
start the encoding. However, this method does not deliver the broadcast stream until
Windows Media Server requests the stream. This method does not provide a secure
connection to the server and should only be used if the encoder and server reside within the
same network firewall.
• Push: In this method, Niagara Pro maintains a secure connection to Windows Media Server.
This connection allows it to pass a user name and password to authenticate access to the
server.
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To enable clients to pull the stream from Niagara Pro, you simply set up a session and begin
broadcasting directly from Niagara Pro. Clients (Windows Media servers or players) can connect to
the stream at any time by using the following one of the following URL formats:
• http://IP_address:port (for Internet connections)
• http://encoding_computer_name:port (for LAN connections)
Niagara Pro supports up to 50 direct connections during a broadcast by default.
NOTE: The greater the numbers of direct connections to Niagara Pro, the more system resources are
required. It is not recommend having players connect directly to Niagara Pro. Streaming servers
should connect to Niagara Pro and, in turn, players should connect to the servers.
Select the Enable Pull check box. Then enter a port number, which will be used by the server to pull
the stream from Niagara Pro.
NOTE: Be sure to enter a port number not already assigned to another encoder. If two encoders are
starting that use the same port number, one or both encoders will fail to start.
Select Enable Push and enter a port number not assigned to another encoder. Then enter the server
name or IP address, Alias (optional), user name, and password.
You can also choose to output to file at the same time you are streaming to a server. However, you
can set the server to archive the file and streaming, allowing Niagara Pro to reserve its system
resource for encoding. Refer to the Windows Media Server documentation for details.
If you check Index the file, viewers will be able to direct access any point within the Windows
Media file using the Windows Media player. Indexing is also required for editing the Windows
Media file using Microsoft Windows Media Utilities.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
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Digital Rights Management (DRM) for Windows Media
You can protect your content using a technology called Digital Rights Management (DRM).
Niagara SCX allows you to encrypt your content with DRM technology while you are encoding.
You can apply DRM while encoding to a file and when broadcasting a stream. Users will be required
to obtain a license to play the content. This license contains the key to unlock the content and the
rights that govern its use.
NOTE: Licenses are issued by a third-party license provider, so you must set up an account with a
third-party license provider to protect your content.
Niagara SCX automatically detects any available DRM profiles imported on the encoding system. If
there are no DRM profiles installed, the DRM functions in Niagara SCX are disabled. In order to
enable the DRM function in Niagara SCX, you must do the following:
1) Set up an account with a third-party license provider and create a DRM profile.
2) Import the DRM profile using the Windows Media Encoder application included with
Niagara Streaming Systems or available as a free download from Microsoft Corporation
(http://www.microsoft.com).
3) Restart the encoding system on which Niagara SCX is installed, allowing the software to
auto-detect and enable its DRM functions.
Importing a DRM Profile
If you have not already done so, set up an account with a licensed provider and create a DRM
profile. Once the DRM profile is created, you must use Windows Media Encoder to import the
profile on the encoding system.
Windows Media Encoder is included in Niagara Streaming Systems that have Niagara SCX
version 5.0 or later installed. To access the desktop of the Niagara Pro, use Windows Remote
Desktop Connection on a computer that resides on the same network.
IMPORTANT: When connecting to a Niagara Pro using a Remote Desktop Connection, it is
extremely important you set the Local Resources to Leave at remote computer before connecting to
the system.
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To set this appropriately, open Remote Desktop Connection.
Click the Options button so the settings tabs are viewable. Click the Local Resources tab. Under the
Remote computer sound setting, change the drop-down selection to the Leave at remote computer
option.
You may then enter the username and password to access the Niagara Pro.
The username is Niagara and the password is password for connecting to Niagara Pro using remote
desktop.
IMPORTANT: When exiting from Remote Desktop Connection, DO NOT LOG OUT. Instead,
DISCONNECT from the Niagara Pro. This allows its internal programs to continue running.
Next, complete the following steps:
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• Copy the DRM profiles to a protected location on the encoding system to ensure they will not
be accidentally removed or erased. ViewCast recommends you create a new directory on the
D drive on the Niagara Pro and use this directory to store your DRM profiles.
• Start the Windows Media Encoder application on Niagara Pro. When the New Session
Wizard appears, click the Cancel button.
• Click the Properties button under the top menu bar.
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• Click the Security tab.
• Click the Import button and browse to the location of the DRM profiles on the system’s hard
drive. Select the DRM profile you wish to import and click the Open option.
• Repeat this process for each DRM profile you wish to import.
• Exit from the Windows Media Encoder application when finished. If you are asked if you
want to save your encoding session, select the No option.
• Disconnect Remote Desktop Connection from Niagara Pro. Do not log out.
• Restart Niagara Pro.
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Setting a DRM Profile in SCX Web Interface
To set the DRM Profile using Niagara Pro’s SCX Web Interface, complete the following steps:
• Either add or edit an existing Windows Media Encoder from the All Encoders page.
• To enable DRM, select the Enable check box and select the DRM profile you wish to apply
from the DRM Settings drop-down menu.
NOTE: When you enable DRM, Niagara SCX will automatically change the Windows Media
Capture Profile setting to a DRM-compatible Windows Media 9 setting. You might need to adjust
this setting after you enable DRM.
After you have input your settings, click the Submit button at the bottom of the page to save your
changes.
Warning: If you click away to another Web page without first clicking Submit, your changes will be
lost.
Niagara SCX Web Interface will then display the All Encoders list.
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Delete an Existing Encoder
To delete an existing encoder listed, click the Del link next to the name of the encoder you wish to
remove. The encoder profile with its settings will be immediately removed from Niagara Pro.
Alternatively, you can click the Edit link to view the encoder profile, verify it is the encoder you
wish to remove.
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Then, click the Delete Encoder link at the bottom of the page once you have verified it is the
encoder you want to delete.
NOTE: You cannot restore a deleted encoder. You must recreate the encoder using the Add Encoder
link at the top right-hand corner of the All Encoders page.
Create an Encoder
The Niagara Pro by default has encoding profiles loaded and ready for use. You can create a new
encoder for your custom streaming requirements.
Click the Add Encoder link in the upper right corner of the screen.
On the next screen, select the encoder type from the drop-down menu.
There are five different types of encoders installed in the Niagara Pro, as follows:
• AVI – An uncompressed audio and video file format
• Flash – An audio and video file format typically embedded in Flash-authored interactive
content
• MPEG-4 – An audio and video file and streaming format
• RealVideo – An audio and video file and streaming format
• Windows Media – An audio and video file and streaming format
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For example, after you have made your selection as to the type of encoder you want to create, give
the encoder a unique name. Keep in mind only the first 11 characters of the encoder can be displayed
on the Niagara Pro LCD display. Click the Add Encoder button when finished.
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You then see the Encoder Properties / New Encoder Added page.
You can then return to the All Encoders page. The new encoder you created is added to the encoder
list. You can then edit that encoder by clicking the Edit link next to the encoder name. Read
previous section entitled the Edit Encoder for information on how to edit the encoder you just
created.
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Encoder Preset (A, B, & C)
The Niagara Pro provides one-button streaming via the EZStream buttons located on the front panel
of the system. By default, these buttons are not assigned to an encoder. The Niagara SCX Web
Interface is used to configure each button to a specific encoder. The controls to configure these
buttons are located in the Encoder Preset A, Encoder Preset B, and Encoder Preset C pages.
When you access the Encoder Preset A page, you are presented with the configuration option for the
EZStream A button. On this page is a graphic representation of the front panel of the Niagara Pro.
The A button is highlighted on this graphic, which sets forth you are actively assigning an encoder to
this corresponding EZStream button.
This page presents a Select Encoder field and a link at the bottom of the page to view the View All
Encoders page. If an encoder has been assigned to the Preset, then you will also be presented with
an Edit link next to the View All Encoders link.
Select Encoder
The Select Encoder field provides a drop-down menu, which presents the complete list of all
encoders available on the Niagara Pro.
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To assign an encoder, select an encoder from the list and click the Submit button.
The Web page will update the Preset A EZStream button and report success in the form of a dialog
box such as the one shown directly below.
By clicking on the B and C buttons on the Niagara Pro graphic, you can assign encoders to those
EZStream buttons in the same way.
NOTE: It is not possible to assign the same encoder to two EZStream buttons simultaneously. If an
encoder is already assigned to a button and you assign it to another button, Niagara Pro will remove
the association to the previous button in favor of the most current request.
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View All Encoders
After assigning encoders to the A, B, and C buttons, the Presets column on the All Encoders page is
updated to reflect these changes. To view these changes, click the All Encoders link at the bottom of
the page.
Edit Preset Encoder Profile
After assigning encoders to the EZStream buttons, you can access the encoder editing page by
clicking the Edit button at the bottom of the Preset page.
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My Niagara Pro
The My Niagara Pro page provides details on software versions, network name, serial number, and
hard drive configurations. Most of the data on this page is for informational purposes and cannot be
altered. However, there are two fields that allow modifications, as follows:
• Computer Name
• Admin password
Computer Name
The Computer Name field contains the current network name for the Niagara Pro. This is the same
name you typed into a Web browser to access the Niagara SCX Web Interface. You can change the
Computer Name by clicking the Click to change name link next to this field.
The screen will refresh and now the Computer Name field is an editable text field. Type in a new
name for the Niagara Pro.
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Next, click the Submit button at the bottom of the page.
The page will refresh and you will be prompted to reboot the Niagara Pro. Your changes will not
take effect until the system is restarted.
Click the Reboot Now link to restart the system and apply the Computer Name change.
While the Niagara Pro is restarting, the following message will appear in the Web Interface.
NOTE: The restart process takes approximately two minutes to complete.
When Niagara Pro has restarted, you will be returned to the Login screen.
NOTE: If you close your Web browser and later want to log into the SCX Web Interface, you will
need to use the new computer name you created to access Niagara Pro.
Niagara Pro Properties
The Niagara Pro Properties section has two fields, the User Name field and the Serial Number
field. Only the User Name field allows modification, which changes the User Password from the
factory default.
Changing the Login Password from the Factory Default
Click the admin link in the User Name field. You will be presented with a new screen that allows
you to change your login password for the SCX Web Interface.
NOTE: You cannot change the User Name for the SCX Web Interface.
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Type your current password in the Password field, and then type the new password in the New
Password field and the Confirm New Password field.
NOTE: The SCX Web Interface password is case sensitive.
Then click the Change Password button. You will then be presented with the results in the form of a
dialog box such as the one shown directly below.
NOTE: You will need to log back into the Web Interface with your new password.
Restoring the Login Password to the Factory Default
If you have forgotten or lost your password, you can restore the default password by running the
Restore Niagara Pro Factory Defaults option. For more information, see Restore Niagara Pro
Factory Defaults in the System Configuration section in the following sections.
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Niagara Pro Alerts
This page allows you to control how Niagara Pro handles application alerts that may occur during
streaming or other operations. Niagara Pro can optionally send an email to multiple recipients and
light the alarm light on the front panel of the Niagara Pro.
Email Alert
You can optionally send an email alert to a specific email address in the event of an application
alarm. Checking Send Email will enable this feature. You must specify the email address to which
to send, and your email server username, password, and server name. For more information about
configuring Niagara Pro to send email alerts, see the System Configuration section in the following
sections.
Alarm Light
Checking the Light Alarm box will instruct Niagara Pro to light the front panel alarm light.
Edit Alert Settings
To edit the settings for each alert listed, click the Edit link in the row of the alert you wish to
modify.
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Once you have made your modifications to the alert settings, click the Update link to enter your
settings and return to the Niagara Pro Alerts list.
Please see The Help, or “i” Button, the Niagara SCX Web Interface, and their Alert Settings later
in this user guide.
Network Properties
The Network Properties page provides detailed information on the Niagara Pro’s current network
settings for the Network Interface Card (NIC).
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Network Card(s)
Niagara Pro has two 1,000 megabit network connections. To view the current properties for each
card, select the card you wish to view from the drop-down menu in the Network Card(s) field.
Advanced Settings (Network)
Advance Settings provides the Niagara Pro network name, MAC Address and server IP address
settings.
The Niagara Pro network name is a link. If you click this link, you will be directed to the My
Niagara Pro page. From this page you can change the Niagara Pro’s network name. For more
information, see the preceding section entitled Computer Name.
The Active Network Link: This field uses two icons to indicate whether the network interface card
selected has a network connected.
Network Link Icon Description
The network link is detected.
The network link is not detected.
System Configuration Settings
The System Configuration Settings page allows you to modify your Niagara Pro default system
settings. You can configure email settings so Niagara Pro can send an email to predefined email
addresses whenever Niagara Pro encounters an alert condition. You can also customize the
information Niagara Pro displays on its front panel when the system is idle.
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This page also provides the ability to restore your Niagara Pro to its original factory disk image
returning all of the system settings to their original states. Using the Factory Restore option will
remove all custom settings and takes approximately 10 minutes to complete.
Restore Niagara Pro Factory Defaults
Click the Restore Niagara Pro Factory Defaults link to start the process.
The next screen gives details of the process you are about to execute and allows you the opportunity
to cancel the process.
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NOTE: Restore to Factory Defaults rebuilds the Niagara Pro primary disk drive (C:) with the
original system image. All custom settings and any files saved to drive (C:) will be lost. This process
cannot be reversed but you can manually re-enter your custom settings once the Niagara Pro restore
process is completed.
NOTE: The default directory for saving your audio and video files is D:\AV Files\. When using the
Restore to Factory Defaults option, only drive (C:) is re-imaged. All files and folders on drive (D:)
are preserved. To ensure your personal files are not removed, always use the default directory –
drive (D:) – for storage of personal files.
Email Settings
If you are unfamiliar with setting up an SMTP email account for sending email, please contact your
network administrator for assistance.
To configure Niagara Pro email settings, you will need to enter the following information:
• The address to which to send the email (separate multiple email address with a comma)
• A valid email address from which the email comes
• A subject line for your email alert – required
• The SMTP (mail server) settings
o User name for server access
o Password (if required)
o The name of the SMTP server
NOTE: For security purposes, the password for your account will not be displayed once it has been
entered into the Niagara Pro settings. Even though this field will appear blank after you click the
Submit button, the password information has been retained.
NOTE: If you change any information on this page, you will need to re-enter your SMTP password
before clicking the Submit button. Not doing so will overwrite the previously entered password with
a blank entry.
Once you have entered the information above, click the Submit button to save your changes.
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You can then test your settings by clicking the Send Test Email link. The page will report if the
email was successfully sent or if it failed to send.
Idle Screen Information
This section allows you to modify the information displayed on the front panel display of the
Niagara Pro LCD.
Check the boxes next to the various information you want displayed. This information is cycled as
the LCD display alternates between status information and encoder information.
At the top of the LCD idle screen is the default message Niagara Pro is Ready. You can customize
this message.
Once you have entered the information above, click the Submit button to save your changes.
Default Directory Setting
NOTE: ViewCast strongly recommends you do not alter this default setting unless you understand
the risk of saving your files to a directory not located on drive (D:). If you save your files to another
drive on Niagara Pro, these files could be deleted if you use the Restore to Niagara Pro Factory
Defaults feature.
NOTE: Only drive (D:) on the Niagara Pro has available storage to save your files. This drive has
approximately 85 Gigabytes of storage capacity.
NOTE: Drives (C:), (E:), and (F:) are used strictly for Niagara Pro operational programs. Any
modifications to these drives can permanently damage your system and void your warranty.
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The Default AV Folder is the directory on which Niagara Pro stores AV files created whenever you
select the Save to File option in an encoder profile. Refer to the Save to File option under AVI,
Flash, Real, and the Windows Media Encoder Properties section for information on setting an
encoder profile to create an AV file.
High Temperature Alert
You can enable an alert if the Niagara Pro reaches a predefined maximum temperature level. To set
the level, select the drop-down menu.
The Alert Configuration links to the Niagara Pro Alerts page. Refer to the previous sections for
information on setting the Niagara Pro Alerts.
View Activity Log
The Activity Log records all operational activity such as general activities that include starting an
encoder or stopping an encoder. The Activity Log includes activities that generate warnings and
errors.
You can view these activities by filters showing only the General activities, the Warning activities
or the Error activities.
Click the Clear Activity Log button to remove all entries.
NOTE: Once an activity has been cleared from the log, it cannot be retrieved.
View Alerts
All alerts that are defined on the Niagara Pro Alerts page are logged on the View Alerts page when
those alerts occur. Once a user has cleared the alert using the Help, or i button, on the front panel of
the Niagara Pro, the alert is cleared from the View Alerts log page.
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Alternatively, the Niagara Pro system informs you of an alert when the Alarm Indicator Light on
the front panel of the system turns red. When this occurs on the Niagara Pro, to determine what the
alert is, you must press the Help, or “i,”button, which will cycle the alert occurring.
Please see the The Help, or “i,” button, the Niagara SCX Web Interface, and their Alert Settings
section set forth later in this document.
The Help, or “i” Button, the Niagara SCX Web Interface, and their Alert
Settings
The Help button, or “i,” button, on the front panel of the Niagara Pro, as stated above, allows you to
view the alerts currently occurring in the Niagara Pro. Directly below is a diagram of the Help, or
“i,” button, which is located on the front panel of the Niagara Pro. The Help, or “i,” button allows
you to view alerts of many types that can occur on the Niagara Pro based on the types of alerts you
request of the system to notify you.
NOTE: An alert is not necessarily an indication of a fault occurring. You might want to be made
aware of changes in the system, which have nothing to do with errors that could occur on a Niagara
Pro. For example, you might want a notification set to signal you as to when an encoder has started
or when as to when an encoder has stopped.
To view alerts occurring, you have a choice to view the alerts through use of the Niagara Pro or the
Niagara SCX Web Interface. If you use the Web Interface, the following is the first page of the
Niagara SCX Web Interface you will see to View Alerts.
Any alerts will appear on the Niagara SCX Web Interface, as follows:
Alerts will be available for viewing on the Niagara SCX Web Interface until you clear them by
clicking on the Clear Alerts button.
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To see any alerts, you must have previously set the system to notify you of the alerts by choosing
Niagara Pro Alerts.
This will bring you to the following screen. To set the alerts for which you want to be notified, you
must click a notification method next to the type of alert. You can be notified of alerts, such as the
ones indicated below, i.e., exceptions, encoder errors, encoders started, encoders stopped, alarm
tests, SCX service stopped, SCX service started, and high temperature alerts, in addition to other
alerts you set yourself.
To set your System Configuration Settings as to how you want to receive your alerts, please see the
figure below. Click on System Configuration.
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See your Network Administrator to set your email configurations if you decide to receive email
alerts.
Alternatively, the Niagara Pro informs you of an alert when the Alarm Indicator Light on the front
panel of the system turns red. When this occurs on the Niagara Pro system, to determine what the
alerts are, you must press the Help, or “i,” button, which will cycle the alerts occurring. The
following screen showing an alert might look as follows:
Alerts will cycle the information in the display when Niagara Pro is idle until all alerts have been
identified, then the screen will return to its normal system cycling, and the alerts will not be shown
again on the Niagara Pro.
… 10 …


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