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Streaming

62

VGA Grid User Guide

8.8.1

Streaming format/Player Compatibility

The VGA Grid can stream video using Flash (H.264), ASF (MPEG4 or H.264 codecs),
Motion JPEG or RTSP (MPEG4 or H.264 codecs). A quick definition of these video
streaming methods and the type of application that a viewer would use to watch
that particular video stream is now provided.

The

Adobe Flash Video

file type

is proprietary but is supported on most web

browsers and on many media players including the VLC Media Player. This file type
supports the H.264 standard. This video supports analog audio from an external
source.

The

Advanced System Format (ASF)

file type

also called Advanced Streaming

format, can be viewed with the Windows Media Player or the VLC Media Player.
Additional codecs may need to be installed to view ASF files. This file type supports
H.264 and MPEG4 standards. This video supports analog audio from an external
source.

The

Motion JPEG file type

records each frame in the video in JPEG format and can

be viewed using most web browsers. This video format does not support analog
audio from an external source.

The

RTSP

type

supports many media players including QuickTime and MPlayer. This

file type supports H.264 and MPEG4 standards. This video supports analog audio
from an external source.

8.8.2

Browser Compatibility

Below is a list of browsers, operating systems and their supported video formats,
which is believed to be accurate at time of writing. For additional media browser
platform support, compatibilities and capabilities, please visit our website and/or
the relevant browser or plug in documentation.

Table 13

Browsers and Video Formats

Browser

Motion JPEG

ASF

RTSP

Flash Video

(H.264)

Internet
Explorer 8

«
...
64
65
66
67
68
...
»

Summary of Contents for VGA Grid

Page 1: ...Epiphan Technical Documentation 2012 Epiphan Systems Inc All Rights Reserved August 2012 VGA Grid User Guide www epiphan com ...

Page 2: ...te to get information about the VGA Grid Warranty All Epiphan Systems products are provided with a 100 return to depot warranty for one year from the date of purchase Technical Support Epiphan is staffed by a professional support team If after checking the FAQs for your product on the Epiphan website you continue to have outstanding issues email a problem report to support epiphan com To help us s...

Page 3: ...MITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET OR PRODUCT INSTALLATION SOFTWARE PACKAGE THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY REFERENCE IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY CONTACT YOUR EPIPHAN REPRESENTATIVE FOR A COPY PRODUCT DESCRIPTIONS AND SPECIFICATIONS REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJEC...

Page 4: ...ITATION EPIPHAN DOES NOT WARRANT THAT i THE INFORMATION IS CORRECT ACCURATE RELIABLE OR COMPLETE ii THE FUNCTIONS CONTAINED ON THE EPIPHAN WEB SITE WILL BE UNINTERRUPTED OR ERROR FREE iii DEFECTS WILL BE CORRECTED OR iv THIS WEB SITE OR THE SERVER S THAT MAKES IT AVAILABLE ARE FREE OF VIRUSES OR OTHER HARMFUL COMPNENTS EPIPHAN SPECIFICALLY DISCLAIMS ALL REPRESENTATIONS WARRANTIES AND CONDITIONS EI...

Page 5: ...ing into the Web Admin Interface Using a Web Browser and the IP Address of the System 16 4 4 Users Logging 17 4 4 1 The Administrator User 17 4 4 2 The Viewer User 17 4 5 Web Admin Interface 18 5 Signal Flow Diagrams 21 6 Signal Capture 23 6 1 Connecting Sources 23 6 1 1 Connecting DVI VGA or HDMI Input Sources 23 6 1 2 Connecting Audio Input Sources 24 6 2 Sources Setup 24 6 2 1 Digital source se...

Page 6: ...2 8 8 3 Media Player Compatibility 63 9 Recording 64 9 1 Selecting Recording File Format 64 9 2 Changing File Limits Time and Size 65 9 3 Starting and Stopping Recording 66 9 4 Viewing the Current Recording 67 9 5 Recording a Stream on iPad iPhone and iTouch 67 9 6 Recording Data in Motion JPEG Format 67 9 7 Files Archive 67 9 7 1 Downloading Recordings 68 9 7 2 Deleting Files 69 9 7 3 Renaming Fi...

Page 7: ...tication for Viewers 91 11 3 3 Delete the Viewer Password 92 11 4 Upgrading the System Firmware 92 11 4 1 Installing new firmware 92 11 5 Maintenance Controls 93 11 5 1 Restoring the System Default Factory Configuration 94 11 5 2 Rebooting or Restarting System 94 11 5 3 Shutting down the System 94 12 Serial Port Configuring 95 13 Customizing Presentation and Web Content 96 14 Configuring Remote Su...

Page 8: ... Table of Contents 4 VGA Grid User Guide 22 List of Figures 115 23 Configuration Worksheet 120 ...

Page 9: ...le for a broad range of applications including medicine black box recording traffic monitoring and simulators Depending on the model configuration the VGA Grid can capture video and audio from 4 or 6 input sources such as a DVI VGA HDMI display or camera source an analog audio source Upon customer request Epiphan Systems can provide customized configurations of VGA Grid This system supports both l...

Page 10: ...d MOV file formats Channels may be recorded to separate single track files or combined into a single multi track file Recorded files may be downloaded from the VGAGrid via the Ethernet port to enable playback from an external computer To view streamed content viewers are simply provided with the corresponding unique URL which is automatically assigned to each output stream The VGAGrid supports a r...

Page 11: ...d in the following configurations to accommodate your needs 4 source VGA Grid This VGA Grid version integrates four DVI2PCIe internal frame grabbers It offers maximum connection of four DVI VGA sources collocated with VGA Grid 6 source VGA Grid This VGA Grid version integrates six DVI2PCIe internal frame grabbers It offers maximum connection of six DVI VGA sources collocated with VGA Grid ...

Page 12: ...Hardware Features The VGA Grid Concentrator device is a standalone 4U rackmount chassis Dimensions are 235mm x 117 5mm x 73mm 9 25 x4 625 x2 875 Figure 2 Front View of the VGA Grid Below is a table summarizing the connectors and indicators found on the front panel of the VGA Grid Table 1 Summary of the Front Panel s connectors and Indicators Number Name Description 1 Power Power button 2 Factory R...

Page 13: ...ce VGA Grid can be delivered in multiple configurations its back panel includes RJ45 Gigabit Ethernet and power connectors various number of DVI I and audio in ports 3 1 2 VGA Grid Remote Acquisition Device Hardware Features In order to capture record and stream vide from remote sources VGA Grid uses the VGA2Ethernet network frame grabbers For the complete information about this solution please re...

Page 14: ...s during video signal test operation and when the system tunes video parameters e g VGA parameters 4 Audio Out Connects audio equipment such as headphones or speakers to confirm whether the audio stream is currently being captured by the VGA2Ethernet 5 DVI Out Used to verify and confirm that the connected video source from DVI In port is being received A DVI monitor or projector can be used with t...

Page 15: ...nsing 10 ETH2 Secondary 10 100 1000 Base T RJ 45 auto sensing Ethernet network port This port is useful in case you need to configure the Ethernet Bridge when there is only one Ethernet connection 3 2 Cables Connectors and Adapters The VGA Grid can be connected to a number of different types of equipment using a variety of cables and adapters This section describes a subset of connectors cables an...

Page 16: ...GA Grid User Guide Figure 5 3 5mm Mini jack 3 2 2 VGA to DVI Cable Connects a VGA source to either of the VGA Grid s DVI I Single Link ports or DVI I dual link ports This cable is included with the VGA Grid one per DVI I port ...

Page 17: ...ributes 13 VGA Grid User Guide Figure 6 VGA to DVI cable 3 2 3 DVI to DVI Cable Connects a DVI source to the VGA Grid s DVI ports This cable is included with the VGA Grid one per DVI port Figure 7 DVI to DVI Cable ...

Page 18: ...3 2 4 HDMI to DVI Adapter Connects an HDMI source to either of the VGA Grid s DVI ports This cable is included with the VGA Grid Figure 8 HDMI to DVI Adapter 3 2 5 RJ 45 Male Connects the VGA Grid to an Ethernet network Figure 9 RJ 45 Male Cable ...

Page 19: ...nnect the VGA Grid s Ethernet port to an Ethernet network 4 Connect the power cable to the VGA Grid Concentrator 5 Press the Power button on the VGA Grid Concentrator front panel to turn on the device 6 The VGA Grid Concentrator powers on The power and hard disk activity LEDs light up as the device starts up following their start up sequence 7 Log into the Concentrator configuration interface to c...

Page 20: ...the following steps to access the Web admin Interface through this utility 1 Start the Epiphan Network Discovery Utility tool 2 Click Search to find all of the available Epiphan devices on the network and select the VGA Grid 3 Click Web config 4 A web browser starts and you are prompted for the VGA Grid s administrator user name and password 5 Enter the following information User Name admin Passwo...

Page 21: ...annot be altered It is not possible to create new log in users 4 4 1 The Administrator User The administrator user is used to log into the VGA Grid and perform any of the following functions 1 Perform configuration changes to the VGA Grid 2 Manage the current broadcast This can include the starting or stopping of the recording of the broadcast 3 Manage previously saved broadcasts Including the arc...

Page 22: ...d comes with a Web admin interface that can be used to configure the VGA Grid settings create and configure output channels view the files that have been recorded and download recorded files Additionally it acts as a system monitor with options to view the system s status and VGA Grid s internal storage status This chapter describes how to use all of the VGA Grid s Web admin interface features ...

Page 23: ...Getting Started 19 VGA Grid User Guide Figure 10 Web Admin Interface s Main Menu ...

Page 24: ...Grid channels All in one recorder Records all channels simultaneously in one video file Channel Status This option as well as the other options in this table described below can be found in each channel s section They are selected and configured for each channel individually View URLs of the broadcast and services state Stream Setup Change the stream settings Publish Stream Sends the stream to a r...

Page 25: ... factory configuration Info Display information about the VGA Grid Firmware CPU Frame Grabber and VGA Mode Automatic File Upload Automatically copy files from the VGA Grid device to a network storage device Serial Port Integrate the VGA Grid with other equipment featuring an RS 232 port and control your device over the RS 232 connection Disk Check Set a Maintenance Schedule for checking the VGA Gr...

Page 26: ...Signal Flow Diagrams 22 VGA Grid User Guide Figure 11 Data Capture Flow Figure 12 Data Recording Flow ...

Page 27: ...id using its DVI I input port Audio input will be connected to the VGA Grid s Audio In port Composite or s video sources will be connected to the VGA Grid s analog port The ports numbers and characteristics depend on the VGA Grid s configuration you have ordered 6 1 1 Connecting DVI VGA or HDMI Input Sources All DVI VGA or HDMI input sources are connected to the VGA Grid using the DVI I input port...

Page 28: ...s in the VGA Grid and can be configured separately Serial numbers of the internal frame grabbers installed in the VGA Grid are displayed under the Sources title in the left part of the Web admin interface In our example it is D2P83385 The VGA Grid automatically adjusts image capture settings every time it starts up The automatic image adjustment is repeated every 60 seconds during operation The in...

Page 29: ...y the frame grabber Autoadjustments interval Change the interval between automatic adjustments if you want them to occur more or less often To suspend automatic adjustments enter 0 Vertical shift Configure the vertical shift to offset the captured image s position For example a captured image that is shifted slightly downward or vertically can be corrected with minor adjustments to the vertical sh...

Page 30: ...er to optimize image quality Increasing the offset reduces background noise but also reduces the overall signal Balance offset and gain values to achieve the best quality image Adjust these settings by the smallest values possible to achieve the best results Compensate for a large change to one by making a large change to the other but setting both offset and gain to high values can result in poor...

Page 31: ...nfigure the vertical shift to offset the captured image s position For example a captured image that is shifted slightly downward or vertically can be corrected with minor adjustments to the vertical shift settings Increasing or decreasing the value entered in the Vertical Shift field shifts the image up or down Horizontal shift Configure the horizontal shift to offset the captured image s positio...

Page 32: ...It displays information about the device s serial number admin page URL IP address videomode and the channels where this source is being streamed The following settings are available Figure 15 Remote video source settings Table 9 Settings available on the remote video source page Device password If needed you can set a password preventing an unauthorized person from viewing the broadcast from this...

Page 33: ...k boxes near required devices found by network discovery 3 Click Add selected devices or if you know the device s IP address 1 Click Add network grabber in the Sources section 2 Enter the IP address of the device in the Device address field 3 Click Add selected devices The selected devices will appear in the Sources section of the Web admin interface 6 3 Audio Configuration Use the Audio section o...

Page 34: ...me is too high for the VGA Grid s line in amplifier The default input amplifier volume setting is 100 If the input volume is too high change the setting to between 5 and 90 to reduce the input volume Headphones Amplifier Volume Set up the headphones amplifier volume 7 Channel Setup 7 1 Creating and Deleting a Channel The Channels Setup page from the Web admin interface s main page allows for the c...

Page 35: ...llowing options are available Channel Status Stream Setup Publish Stream Video Source Setup Files Archive All these options are discussed below To create a channel name it and assign a video source to a channel 1 Log in to the Web Admin interface 2 In the Channels pane click Add channel A new channel appears in the channels list Figure 17 The Add Channel Command 3 The Video Source Setup section is...

Page 36: ...e digital frame grabbers installed in your VGA Grid and remote VGA2Ethernet units are displayed here Video from the selected video source is streamed through this channel Multiple sources Video from multiple inputs is streamed through this channel 4 Click Stream Setup In the Channel name field specify the name of the channel Figure 18 Naming the Channel 5 Click Apply ...

Page 37: ...e recording broadcasting i e specify how all videos are positioned on a screen relative to each other This operation is performed using the Multiple Sources option under the Channels section of the Web Admin interface If you selected Multiple sources in the channel s Use video source field this channel will be used to stream videos from multiple source through this channel The system allows you to...

Page 38: ...on of the video stream picture on the screen in percents starting from the left upper corner Size For the selected source set size of the video stream picture on the screen as percentage of screen size height and width Delete Delete this source and all related settings Add source Add another source for setting layout Use audio from Select a check box near the source if you want to add audio signal...

Page 39: ...ed on the Stream Setup section of each channel s page To select the video codec 1 Select the required channel 2 Click the Stream Setup menu option 3 Click an arrow in the Stream Type field 4 Select the required codec from the drop down list The following values are available for selection Flash using H 264 ASF with either MPEG4 or H 264 codecs Motion JPEG RTSP with either MPEG4 or H 264 codecs Fla...

Page 40: ... from the available values depending on aspect ratio This setting allows you to limit the width and height of the video image If the video source is sending resolutions larger than the resolution limit configured the video image will be scaled to the resolution limit Limiting the file resolution can help to reduce bandwidth usage To enter non listed resolutions use the blank fields next to availab...

Page 41: ...ality to space ratio compared to a CBR file of the same data VBR files vary the amount of output data per time segment and the FPS value may be lower Stream port The number of the port being used to stream the broadcast This value is part of the URL used to access the broadcast In the case where there are two streams from different ports this value remains the same for both of the URLs being used ...

Page 42: ...ream Settings Figure 23 Common Settings 7 5 Select Audio Format The Audio settings pane in the control interface can be accessed by clicking the Stream Setup option from the menu Select the Enable audio checkbox and specify the audio signal parameters ...

Page 43: ...its exact content of the broadcast Will the broadcast include an audio component coming from an analog audio source What video format to use what video standard to use how to stream the broadcast are all questions that have to be answered when creating a broadcast Most of the answers depend on the intended audience of the broadcast how are the viewers going to view the broadcast and how many simul...

Page 44: ...epends on how the intended viewers are planning to receive and play the broadcast Keep in mind that browser viewer capabilities and compatibilities are subject to change With the VGA Grid the video stream format is selected by an administrator All users must view the broadcast in this format In the case where an experienced user wants to view the same broadcast but requires different stream format...

Page 45: ...ing an IP Multicast Network A multicast RTP stream provides a one to many broadcasting framework In a multicast RTP configuration the VGA Grid sends a packet only once to a router that supports multicasting This router then distributes the packets to all intended viewer nodes using a multi cast protocol Sending multicast streams requires equipment that supports multi casting configuring your netwo...

Page 46: ...Streaming 42 VGA Grid User Guide Flash streaming The VGA Grid provides about 100 peer to peer connections in case of satisfactory bandwidth Figure 26 Peer to peer Connection ...

Page 47: ...han One Viewer Figure 28 RTP UDP settings in Stream Setup 8 2 1 Setting up an RTP Multicast from Stream Setup To set up an RTP Multicast enter the following settings in the channels Stream Setup menu item 1 Select the RTSP H 264 stream type in the Stream Type field and click Apply ...

Page 48: ...r the stream 3 An SDP file is now generated It is available in the Info section of the Web Admin interface Select a name and location for the SDP file and save it Then pass the SDP file to your audience Figure 29 RTP UDP Settings in Publish Stream 8 2 2 Setting up an RTP Multicast from Publish Stream Alternatively you can set up an RTP Multicast from the Publish Stream functionality 1 Click the ch...

Page 49: ...o increase or even decrease The use of CDN technology has obvious advantages to those users whose broadcasts have large audiences from locations all over the world If dozens or hundreds of viewers happen to select the same Web page or content simultaneously the CDN sends the content to each of them without delay or time out To stream to multiple users the VGA Grid can be configured as a client to ...

Page 50: ...ewers Figure 30 Using a CDN Service Increases Scalability of Concurrent Viewers 8 3 1 Using Epiphan Portal for Streaming To set up and perform streaming via Epiphan s portal 1 Click the Publish Stream option in the main menu of the control interface 2 Select to xxxxx epiphan net from the Publish drop down list where xxxxx is the unique serial number of the VGA Grid 3 Select Enable publishing and c...

Page 51: ...an net is a demonstration service to help customers experiment with publishing streams to content distribution networks Therefore certain bandwidth and performance limits are applied To upgrade to a full service please select one of Epiphan s CDN partners Figure 32 System Message in Case of Excessive Bitrate Speed Now connection through the media tunnel is established The VGA Grid starts streaming...

Page 52: ...ailable for Selection on the Portal Flash RTMP Flash HTTP QuickTime VLC Player Embed Displays a code that allows you to embed video stream into your web page Refer to Figure 36 Code for Stream Embedding Direct URL Displays a list of URLs for different types of broadcasting Refer to Figure 37 Listing of Direct URLsFigure 37 Listing of Direct URLs 6 Click Switch to button and select a plugin for vie...

Page 53: ...Streaming 49 VGA Grid User Guide Figure 34 Epiphan s Portal Figure 35 Plugins Available for Selection on the Portal Figure 36 Code for Stream Embedding ...

Page 54: ...min interface 3 Click the Go button 8 3 2 Using Epiphan s Partners as CDN Providers For Streaming Use this option if you need to perform streaming on a remote streaming server other than epiphan net It is required to set up audio format as MP3 This setting is performed in the control interface s Stream Setup section see Select Audio Format To use this option 1 Select RTSP Announce from the drop do...

Page 55: ...n the Setting up an RTP Multicast from Publish Stream section 8 4 Setting Up VGA Grid and StreamZilla for CDN Broadcasting Epiphan VGA Grid supports broadcast streaming to multiple users through a Content Distribution Network It can be configured as a client to Epiphan s preferred CDN partners By using a CDN the maximum number of concurrent clients is increased while at the same time reducing the ...

Page 56: ...d 2 Log in to the VGA Grid Web Admin interface 3 Select Channel 1 Figure 39 VGA Grid Channel Selection 4 In the drop down menu click Stream setup and select RTSP H 264 codec in the Stream type field Note that the RTP UDP stream section is displayed at the bottom of the page Do not close this page ...

Page 57: ...Streaming 53 VGA Grid User Guide Figure 40 Stream Setup 5 Open a new tab in your browser and log in to your CDN Manager s account ...

Page 58: ...Live Stream 7 A new window is displayed Configure it as shown on a screenshot below 8 Select QuickTime in the Stream type field and enter a user name Then click Next Figure 42 Stream Type Selection 9 StreamZilla displays a live stream settings window with UDP audio port UDP video port and Core Server IP address values ...

Page 59: ...back to the VGA Grid Web Admin interface window 11 Fill in the fields in the RTP UDP stream section using the information shown on the StreamZilla window 12 Click Apply Figure 44 RTP UDP stream settings 13 Now click Channel status Then download the SDP file and save it on your computer s local disk ...

Page 60: ... Figure 45 Downloading SDP file 14 Go to the StreamZilla window Upload the SDP file and click Next Figure 46 Uploading the SDP File 15 CDN Server will finalize the process Wait a few minutes until live stream setup process is complete ...

Page 61: ...ed Code URL 17 In this window you can generate a code that allows watching your stream anywhere Check all settings and click the Generate embed code button Script and http link information will be generated After embedding this script in your website you will be able to watch the broadcast from there ...

Page 62: ...nistrator Audio is available for all formats except from Motion JPEG 8 5 1 Retrieving the Stream s URL for Publishing In order for viewers to log in to VGA Grid as viewers and view a stream the administrator must release the URL s of the stream The administrator is able to provide separate URLs for all streams coming in from the local and remote sources connected to the VGA Grid either physically ...

Page 63: ...tem from the selected channel s page The following indicates where each URL for the stream can be found on that page Figure 50 URLs of the Broadcast Displayed in the Channel Status Section Live broadcast is an URL for the simultaneous stream from video and audio sources depending on channel settings Direct stream URL is an URL for the broadcast coming from the separate source of the VGA Grid iPhon...

Page 64: ... administrator will also provide the IP Address or the URL to be used by the viewer s browser To log in to view the broadcast using a browser 1 Start any web browser 2 Browse to the IP DNS or URL address of the VGA Grid s broadcast stream For example if the IP address of the VGA Grid s broadcast is 192 168 23 45 then browse to http 192 168 23 45 3 Enter the following User Name viewer Password ente...

Page 65: ...roadcast on iDevices using EpiphanTouch This discovery and remote control application is available as a free download from iTunes and the App store It allows you to log into the device as the administrator user Refer to Epiphan s EpiphanTouch App for iPad iPhone iTouch section for details 8 8 Compatibility Information This section provides information on compatibility of video streaming formats br...

Page 66: ...nal codecs may need to be installed to view ASF files This file type supports H 264 and MPEG4 standards This video supports analog audio from an external source The Motion JPEG file type records each frame in the video in JPEG format and can be viewed using most web browsers This video format does not support analog audio from an external source The RTSP type supports many media players including ...

Page 67: ...ayers operating systems and their supported video formats which is believed to be accurate at time of writing For additional media player support compatibilities and capabilities please visit our website and or the media player documentation Table 14 Media Players and Supported Video Formats Media Player Motion JPEG ASF RTSP Flash Video H 264 Windows Media Player v 12 MPlayer Windows Mac OS Linux ...

Page 68: ...ed to be deleted in order to manage disk space on the VGA Grid For organizing recorded video files may need to be renamed All of these management tasks are available via the VGA Grid s Web admin Interface 9 1 Selecting Recording File Format The required recording file format MOV or AVI can be specified for each channel you are working with To select a file format 1 Select a required channel in the...

Page 69: ...n record the channel to one or more files according to time and file size limit parameters It will automatically create and start recording to a new file whenever either limit is reached To specify the time and file size limit parameters 1 Click the change command 2 Select the parameters values from the drop down list see Figure 53 Changing Time Limit and Size Limit Figure 53 Changing Time Limit a...

Page 70: ...cording The recording buttons and recorder status for each channel is shown in its Files Archive section To navigate to this section click the Channel menu point of the Web Admin interface It is located on the left hand side of the screen above the Web Admin interface s main menu Then select a required channel and click Files Archive Figure 54 Recorder Status To start a recording click the Start b...

Page 71: ...on iDevices using EpiphanTouch This discovery and remote control application is available as a free download from iTunes and the App store It allows you to log into the device as the administrator user Refer to Epiphan s EpiphanTouch App for iPad iPhone iTouch section for details 9 6 Recording Data in Motion JPEG Format To configure the channel before recording data in Motion JPEG format 1 Select ...

Page 72: ... single zip file 1 Click Files Archive 2 Select the checkbox beside the file you want to download or to download multiple files select the checkboxes beside all of them Then select the Download Selected button at the bottom of the file list 3 Follow the instructions to download the file or files provided by the system If you select the Download Selected button all of the files that you have select...

Page 73: ...The administrator can rename one file at a time Again this function is done by going to the Recorder Setup section from the Web admin interface main menu To rename a file 1 Click Files Archive 2 Select the rename file icon 3 Enter the new name for the file 4 Select Submit 9 7 4 Viewing Closed Recording Files Closed recordings can be viewed using the Web Admin interface and a compatible media playe...

Page 74: ...s on Separate Tracks in a File You can record video and audio from multiple channels currently being used in a single file with video and audio tracks This can be either channels streaming video from the separate sources or channels streaming combined video from multiple sources It is assumed that you have multiple sources connected to the ports of the VGA Grid accordingly The recording is made in...

Page 75: ...lect the channel s Files Archive section 3 Click Start to start recording video The data is now being recorded to a file This file can be found in the Recorded Files list on the same page 9 10 File Transfer of Recorded Files The VGA Grid provides several options to automatically copy recordings to a network storage location to an external HDD or a USB Storage Key 9 10 1 Copying Recorded Files to a...

Page 76: ...les have been copied Due to speed limitations flash drives are not capable of recording data on the fly This means that while the previously recorded data captured by the VGA Grid on its internal solid state memory will be copied to the flash drive the currently opened recording file cannot be copied until the file is closed Once closed it is then available for copying Once the data has been copie...

Page 77: ...re to be uploaded By selecting On file rotation the VGA Grid uploads each video file after it stops recording the current video file and starts recording the next one You can also configure the VGA Grid to upload all video files every 1 6 12 or 24 hours Remote path The path on the upload server to upload the video files to This path must match an actual path on the server Remove after upload If yo...

Page 78: ...boot Now button in the Maintenance section Alternatively the VGA Grid can be set to upload all video files every 1 6 12 or 24 hours 4 Set Remote Path to the path on the upload server to upload the video files to This path must match an actual path on the server If a path is not provided the files are uploaded to the root location 5 Select the Remove after upload checkbox to delete all video files ...

Page 79: ... hour If five video files are saved in the first hour those five video files are uploaded One hour later all of the video files saved since the start of that hour are uploaded Video files saved before you selected Apply are not uploaded For Files saved before Automatic File upload is configured a manual upload process will have to be done 9 11 2 Configuring the CIFS Client Use the CIFS client conf...

Page 80: ...ver 4 Enter Server share This is the CIFS share name or the name of the Windows shared folder on the CIFS server 5 If required enter the name of the CIFS Domain The Domain can be a Windows Domain or Work Group name 6 Enter the Login and Password required to authenticate with the CIFS server to connect to the server share 7 Select Apply The VGA Grid will then attempt to connect to the CIFS server T...

Page 81: ...t the Checksum checkbox to enable computing checksums algorithm applied during file synchronization between sender and recipient servers 6 Select Apply The VGA Grid will then attempt to connect to the RSync server The Web admin interface displays messages about whether the System is able to connect to the RSync server and the status of the connection 9 11 4 Configuring the FTP Client Use the FTP c...

Page 82: ...Grid will then attempt to connect to the FTP server The Web admin interface displays messages about whether the VGA Grid is able to connect to the FTP server and the status of the connection 9 11 5 Testing the Automatic File Upload Test the automatic file upload to ensure all settings are correct To test automatic file upload 1 Confirm that the upload server is operating 2 Start recording a broadc...

Page 83: ...e network configuration involves setting how the VGA Grid receives an IP address IP addresses can be assigned statically or dynamically with the use of a DHCP server For network configuration changes to take effect the System device must be rebooted after making the changes refer to the section Rebooting or Restarting System If the IP address is changed the VGA Grid must be removed from the Networ...

Page 84: ...default network settings perform the following steps 1 Record the network settings of the controlling computer being used to connect to the VGA Grid so that they can be restored later if needed 2 Temporarily change the network configuration on the controlling computer to the following a Static IP assignment b IP address 192 168 255 249 c Subnet mask 255 255 255 252 3 Establish an Ethernet connecti...

Page 85: ...ccess the System to allow for further configuring of the device There are tools that will return the System s IP address Epiphan provides two such tools and they are described in the following section Alternatively contact the relevant network administrator to retrieve the System s IP address Regardless of the method used to obtain the System s IP address its assigned IP address is required to all...

Page 86: ...e App store EpiphanTouch finds provides the IP address and can be used as a remote control to start and stop broadcastings and recordings on the System It will list all Epiphan devices including the System operating on the same network as the iPhone iTouch or iPad that is running the EpiphanTouch application To install and use EpiphanTouch from iTunes 1 Either follow the URL to go directly to the ...

Page 87: ...red System and log into the device as the administrator user See the section Users and Passwords for more details about logging into the System Figure 62 Log into the System as the Administrator 5 Start or stop video capturing and recording 10 3 Setting IP Address Changing the network configuration involves setting how the System receives an IP address IP Addresses can be assigned statically or dy...

Page 88: ...router Contact your network administrator if you are not sure what information to use The IP address Network Mask Default Gateway and DNS Server assigned must be compatible with your network 4 Select Apply to save these changes 5 Select Maintenance 6 Select Reboot Now 7 It takes a few minutes for the VGA Grid device to reboot 8 After a few minutes log into the Web admin interface Logging into the ...

Page 89: ...7 After a few minutes log into the Web admin interface Logging into the Web admin interface can be done by a See the section Network Discovery of the System on how to obtain the IP address for VGA Grid b Using a browser and browsing to the new IP address assigned to VGA Grid c Using the Network Discovery Utility see the section Logging into the Web Admin Interface Using a Web Browser and the IP Ad...

Page 90: ...ng Date and Time from the Web admin interface s main menu Clicking Enable Time Synchronization on the Date and Time page results in the date and time being received from a public network time protocol NTP server This is done by having the System connect to the server over the Internet NTP uses UDP and port 123 The default NTP server is time nrc ca This should be changed to an NTP server that is re...

Page 91: ...stem is selected If the VGA Grid device cannot connect to the Internet and there is an RDATE server on the network you can set time synchronization to use RDATE as defined by RFC 868 Contact your network administrator for the address of the RDATE server and enter the RDATE server IP address into the Server IP Address field In both cases how often the date and time is updated can be configured The ...

Page 92: ...Specify the time RTC calibration 31 31 This field allows RTC calibration the slowing or speeding the clock up to 10 sec day Negative numbers slow the clock down up to 5 seconds a day and positive numbers speed up the clock up to 5 seconds a day 11 2 Users and Passwords 11 2 1 Configuring the Administrator User Password Initial factory settings provide no password for the administrator user For sec...

Page 93: ...interface with the admin user name and the new password Figure 65 Adding or Changing the Administrator s Password 11 2 2 Deleting the Administrator password The administrator password can be deleted if it is not required However by removing the administrator password it makes it easier for unauthorized users to change the System s configuration To delete the Administrator password 1 Log into the W...

Page 94: ...tinue to have access until the password is changed It is good practice to change the password each time there is a change in the users that should be authorized to access the broadcast Please contact your network security administrator with respect to password management required for your applications Once a viewer password is configured participants must obtain the current viewer password in orde...

Page 95: ...t of denied IP addresses An example of how this is implemented would be the following 1 In the Deny IP s field enter 192 168 1 1 100 2 In the Allow IP s field enter 192 168 1 22 192 168 1 33 Access to the broadcast will be forbidden for the entire subset of addresses except for 192 168 1 22 192 168 1 33 The set of users must have a fixed IP address or a range of IP addresses through which they con...

Page 96: ... 1 Log into the Web admin interface 2 Select Viewer Access The password fields should be blank 3 Select Apply without adding characters to the password fields The password is deleted 11 4 Upgrading the System Firmware New firmware is released to fix known problems or to add new features When available new firmware versions can be obtained from Epiphan Support Installing new firmware can take sever...

Page 97: ...the section Rebooting or Restarting System 6 Log into the Web admin interface and confirm that the VGA Grid is now running the new firmware version by selecting Info from the main menu and by viewing the firmware version Should the firmware update fail restore to the default factory configuration Refer to the section Restoring the System Default Factory Configuration Figure 67 Firmware Upgrade 11 ...

Page 98: ...t to the default factory configuration See the section System Hardware Features for information on the location of the reset button and the proper steps that need to be followed to perform a hardware based factory reset 11 5 2 Rebooting or Restarting System Many VGA Grid configuration changes require you to reboot the System in order to have these changes come into effect the following outlines th...

Page 99: ... null modem cable Then an RS 232 serial adapter is connected to the RS 232 null modem cable before inserting it into one of the two USB ports on the System The standard VGA Grid package does not include an RS 232 serial adapter but one can be purchased from Epiphan as an optional accessory Flow control is the only configurable item for this feature This is done by navigating to the Serial Port sec...

Page 100: ...mizing of the viewer s Web browser s display of the broadcast For example the event s name company logos and other pertinent data can be displayed to the viewer To use this option select Branding from the Web admin interface s main menu To customize the design you need to create an xsl file using XML document formatting The creation of this file is beyond the scope of this document ...

Page 101: ...o customize the viewing browser Table 19 Web Content Configurable Options Templates Available template files are displayed To select a template click a radio button near its name Then click Apply Other files Files that were uploaded and used during template creation are displayed Upload files templates Browse to the template or file you need to upload and click Upload ...

Page 102: ...ault address of the Epiphan maintenance server is epiphany epiphan com The VGA Grid must be able to find a DNS server to resolve the default address and then must be able to connect to this address on the Internet using TCP port 30 If the VGA Grid s network settings are set to use DHCP it gets the address of the DNS server from the DHCP server If network settings are set to use a static IP address...

Page 103: ...rt 99 VGA Grid User Guide Figure 71 Remote Support Configuration Table 20 Remote Configuration Options Enable Remote Support Allow Epiphan Support to log into the System with special access privileges to troubleshoot problems ...

Page 104: ...rt and the connection to the maintenance server independently The following table describes the results of different configurations Table 21 Different Results by Enabling disabling Remote Support and Connection to the Maintenance Server Enable Remote Support Enable Connection to Maintenance Server Result Yes Yes The VGA Grid connects to the Epiphan maintenance server If required Epiphan Support ca...

Page 105: ...ber of months of operation This is configured on the Disk Check page which is opened by selecting Disk Check from the Web admin interface s main menu This page allows the number of the VGA Grid restarts before a disk check is to be performed and the number of months to lapse prior to a disk check to be configured The system will trigger a disk check based on these values and based on whichever eve...

Page 106: ... listed Additionally the used and available space in GB and the amount used as a percentage of the total amount of space on the disk is displayed for quick reference If the VGA Grid is running low on disk space the administrator can delete files The administrator can also configure automatic file uploads to keep the VGA Grid from running out of disk space The VGA Grid stops recording if there is l...

Page 107: ...serial port configuration has the following settings Parameter Value Speed 19200 bps Data bits 8 Parity None Stop bits 1 Flow control Hardware 18 2 RS 232 Commands The System implements an RS 232 interface allowing for the easy integration with existing control room and board room equipment Some of the commands require channel name as an argument Channel name should be separated from the command n...

Page 108: ...ey value Set value of a broadcasting parameter Parameter values containing spaces must be enclosed in quotation marks either single or double New values might not take effect immediately and will be lost after the reboot unless SAVECFG command is issued later SAVECFG Save parameters values modified by SET command STATUS channel Report status of recording service for the channel Status values are R...

Page 109: ...et_params cgi key Use the following syntax to set or change the configuration http address admin channelN set_params cgi key value In this example address is the IP address or name you use to connect to the System admin interface E g if you log into the VGA Grid s Web admin interface using http 192 30 23 45 admin then address would be 192 30 23 45 Key is the name of the object of the VGA Grid to b...

Page 110: ...n The syntax for using wget to enter URLs is 18 4 Keys for HTTP API Commands This section lists and describes all of the keys that can be used in HTTP API commands to view or change the System configuration These keys are broken into the following types Device Info Keys Broadcasting Setup Keys ASF Encoder Keys RTP Unicast Keys 18 5 Device Info Keys These keys are used for getting information about...

Page 111: ...age will not refresh streamport Get or change the stream port number The range is 1000 to 65535 You cannot use port 5557 because this port is used for network discovery streamtype Get or change the stream type 0 Flash 1 Flash H 264 2 ASF 3 ASF H 264 4 MJPEG 5 RTSP vbitrate Get or change the video bit rate in kbit s for example vbitrate 65536 You can use short forms such as vbitrate 64K and vbitrat...

Page 112: ...tting ASF encoder settings You can change ASF encoder settings when stream type is set to ASF stream Table 25 ASF Encoder Keys Key Description title Add a title for the video being broadcast Use 20 for spaces author Add the name of the author of the video being broadcast Use 20 for spaces copyright Add copyright information for the video being broadcast Use 20 for spaces comment Add a title for th...

Page 113: ...ed Enables recording functionality Possible values are on or empty 19 Examples For a System with an IP address of 192 30 23 45 and admin password of pass123 one can use wget to do the following Enter the following command to view the broadcasting stream type and frame size wget http user admin http passwd pass123 http 192 30 23 45 admin get_params cgi streamtype framesize Enter the following comma...

Page 114: ...ibility mode h 264 slicing for RTP OFF Key frame interval 60 Limit frame rate 30 Bitrate 2000 kbits for HD 3000 kbits for Full HD Rate control mode Low delay Audio format Raw PCM Audio sample rate Hz 22050 Mac with video Stream type RTSP H 264 codec Video encoding preset High Speed Video encoding profile Main Enhanced compatibility mode h 264 slicing for RTP ON Key frame interval 60 Limit frame ra...

Page 115: ...mple rate Hz 22050 Mac with slides Stream type RTSP H 264 codec Video encoding preset High Quality Video encoding profile High Enhanced compatibility mode h 264 slicing for RTP ON Key frame interval 60 Limit frame rate 15 Bitrate 3000 kbits for HD 4000 kbits for Full HD Rate control mode Low delay Audio format Raw PCM Audio sample rate Hz 22050 iPad with slides Stream type Motion JPEG Video encodi...

Page 116: ...Sample Configurations 112 VGA Grid User Guide Quality parameter 40 for MJPEG only ...

Page 117: ...lution of the recorded image Ensure that the Frame size parameter value in the Stream Setup menu item of the web interface equals the frame size of the source image Example If the source video resolution is 720p set the Frame size to 1280x720 2 Increase the Bitrate value and or decrease the Limit frame rate value in the Stream Setup menu item Low fps Increase the Limit frame rate value and or decr...

Page 118: ... network connections as well as network filters routers and applications settings Packet loss may result in broadcast failure Record issues If the record does not start up view the Disk Status Information and check whether there is enough disk space for a new file of desired size If the issue is not solved perform a Disk Check and start the record again Firmware upgrade If you are unable to upgrad...

Page 119: ...Command 31 Figure 18 Naming the Channel 32 Figure 19 New Channel Named Video Channel 33 Figure 20 Channel Deletion 33 Figure 21 Setting Position and Size for Multiple Sources 34 Figure 22 Stream Settings 38 Figure 23 Common Settings 38 Figure 24 Audio Settings 39 Figure 25 Protocol Stack Diagram 40 Figure 26 Peer to peer Connection 42 Figure 27 Multicast RTP Broadcasting to More than One Viewer 43...

Page 120: ... Limit and Size Limit 65 Figure 54 Recorder Status 66 Figure 55 Files Archive 68 Figure 56 All in one Recorder 71 Figure 57 Configuring the Automatic File Upload Feature 74 Figure 58 Configuring a CIFS Client 76 Figure 59 Configuring the RSync Client 77 Figure 60 Configure a FTP Client 78 Figure 61 Search for EpiphanTouch in the App Store 82 Figure 62 Log into the System as the Administrator 83 Fi...

Page 121: ... systems If you need more information about collection reuse and recycling systems please contact your local or regional waste administration You can also contact us for more information on the environmental performance of our products FCC CE Compliance Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harm...

Page 122: ... submission The user acknowledges the originality of any submission communicated to Epiphan and accepts responsibility for its accuracy appropriateness and legality Third Parties and Links to Third Party Web Sites Mention of non Epiphan Systems Inc products or services on their website or this document site is for informational purposes and does not constitute an endorsement or recommendation This...

Page 123: ... judge who presided in the province of Ontario The parties shall bear equally the cost of the arbitration except that the prevailing party shall be entitled to an award of reasonable attorneys fees incurred in connection with the arbitration in such an amount as may be determined by the arbitrator All decisions of the arbitrator shall be final and binding on both parties and enforceable in any cou...

Page 124: ...Grid User Guide 23 Configuration Worksheet Use this worksheet to keep necessary information about System installation settings etc Parameter IP address DNS server SSID Value Notes Copyright 2012 Epiphan Systems Inc All Rights Reserved ...

Page 125: ...Configuration Worksheet 121 VGA Grid User Guide ...

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