streaming video in hmd projects
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1. Save Revert Close 13 11 2009 v LIVE STREAMING Layers background jpg WW image jpeg ass weather yahoo_weather svg a image svg xml date 1 svg image svg xml 2 72 22 mx shopping news svg s image svg xml 222227 LEE m SHOPPING DEALS NW LIVE STREAMING gen VTL WR em Text Livestreaming x m m 2 22 22 shopping weather background jpg date 1 svg digital clock 1 svg j index svg mydeejay asx Properties Layers XML Tree WebDAV The highlighted layer above refers to the ASX file shown below X Back Save Revert Close gt VERSION 3 0 em VERSION 3 0 Le ENTRY pi href http live mediaserver kataweb it deeia href http live mediaserver kataweb it deejaytv 2009 SpinetiX S A All rights reserved Streaming video using mms or rtsp If the selected video server provides a video stream using the mms or the rtsp streaming protocol the player can connect directly to the server The following procedure is required 1 Create a multilayer document and open it 2 Configure the properties of the main media 3 Change the URI string to the path of the selected server For instance mms live france24 com france24_en wsx or rtsp server port channel name 4 Open the More tab and make sure that the Mime type is set to video x ms as2. c3 SPINETIX SpinetiX Technical Documentation Streaming video v2 1 Revision 2010 March 3 oo 2009 SpinetiX S A All rights reserved DISCLAIMER THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT IS SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY CONTACT YOUR SPINETIX REPRESENTATIVE FOR A COPY NOTWITHSTANDING ANY OTHER WARRANTY HEREIN ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS SPINETIX DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL SPINETIX OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL EVEN IF SPINETIX OR ITS SUPPLIE
3. how to configure a streaming source on a side and the HMP100 on the other side to receive and display the desired media A few real life examples are also provided Both hardware and software streamers are taken into consideration so there is no need to buy an expensive device to test the streaming functionality with the HMP100 A troubleshooting section is also available explaining what are the most frequent causes of issues during the setup of the streaming architecture 2009 SpinetiX S A All rights reserved TABLE OF CONTENTS Beige E 2 Introduction eene dedere ex n e aa CAE HR E XR RO E E CR AR LR REX AGE RA RR RR TAE ERR RATE XE 3 Table of EE 4 Introduction to Streaming vates ea 5 Application xam EA 5 Streaming methods and protocols ien x ex Gesicht See i Wee eet 5 Streaming videoin HMD projects 3 nore ENEE ENNEN ENEE ENNEN 6 Streaming http video with an asx RR re xn Rx Hn nus 6 Streaming http video cc eco ei exe Gen eec ee de tc nte eG Re e C Pn e 6 Streaming video using mms or lt 8 Valid codecs for streaming video EE EEN 8 Additional EE En 9 Streaming video buffering EE seen 9 Hardware devices configuration ad eee NA nn nn me 10 IP Came
4. le where e path to vlc folder is the path on your PC to the VLC executable e selected video xyz is the name of the video file to be streamed e local_IP is the local IP address of the PC where VLC is running e local port is the local port number where VLC will stream The second example streams the selected file after having trans coded it into optimal format for the HMP100 MPEG4 3Mbit s video codec and mp3 128kbit s stereo audio path to vlc folder vlc exe selected video xyz L sout transcode vcodec DIV3 vb 3072 scale 1 acodec mp3 128 channels 2 std f access http mux asf dst local_IP local_port file where e path to vlc folder is the path on your PC to the VLC executable e selected video xyz is the name of the video file to be streamed e local IP is the local IP address of the PC where VLC is running e local port is the local port number where VLC will stream 14 SpinetiX Technical Documentation Shared Variables v2 0 ASX file parameters The corresponding asx file to be included into a HMD project for the examples above would be lt xml version 1 0 encoding UTF 8 gt lt Generator SpinetiX Hyper Media Director gt lt ASX VERSION 3 0 gt lt ENTRY gt REF href http local_IP local_port fi le gt lt ENTRY gt lt ASX gt where local IP is the IP address of the PC where VLC is running same as in the above examples local por
5. very different from downloading a complete video and only after starting to play it Thus two big advantages are provided by the streaming feature 1 no need to wait for the whole video to be downloaded before being able to watch it 2 possibility to stream live events tv news games shows etc Several protocols used to broadcast streaming audio and video exist the most common are listed below and each of them is supported by the HMP100 HTTP streaming is a mechanism for sending data from a Web server to a Web client without terminating the response to the client as it would happen with a typical HTTP request MMS uses the Microsoft Media Services protocol to transfer unicast data MMS can be transported via UDP or TCP If the client cannot negotiate a good connection using MMS over UDP it will resort to MMS over TCP or HTTP over TCP This is not as ideal for streaming as MMS over UDP but ensures connectivity nonetheless RTSP Real Time Streaming Protocol developed by the IETF RFC 2326 is a protocol to be used in streaming media systems allowing a client to control a streaming media server issuing commands like play and pause and allowing on demand access to files on a server Some RTSP servers use RTP as the transport protocol for the actual audio video data 2009 SpinetiX S A All rights reserved STREAMING VIDEO IN HMD PROJECTS Streaming http video with an asx file If the video is available through a st
6. 92 168 0 90 Subnet mask 255 255 255 0 Default router 192 168 0 1 IPv6 Address Configuration Wireless Enable IPv6 Services V Enable ARP Ping setting of IP Address Options for notification of IP address change AXIS Internet Dynamic DNS Service save j Reset See also the advanced TCP IP settings Image configuration 10 SpinetiX Technical Documentation Shared Variables v2 0 Comunica AXIS 207W Network Camera Live View Setup Help Basic Configuration Video amp Image Image Advanced Audio gt Live View Config gt Event Configuration gt System Options About Image Settings Resolution 640x480 e pixels Compression 0 100 Rotate image D e degrees White balance Automatic e Include date Include time Include text Place text date time at top we of image Maximum video stream time Unlimited Limited to 1 seconds w per session Maximum frame rate Unlimited Limited to 1 30 fps per viewer Test settings using Motion JPEG before saving MPEG4 configuration AXIS 207W Network Camera Live View Setup Help Basic Configuration Video amp Image Image v Advanced Camera MPEG 4 Audio Live View Config gt Event Configuration gt System Options About MPEG 4 Settings Length 30 1 132 Cyclic refresh Maximum bit rate unlimited Limited to 3000 kbit
7. RS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Hyper Media Player HMP100 User Manual v2 0 02009 SpinetiX S A All rights reserved SpinetiX and HMP Hyper Media Player are registered trademarks and all logo and graphic designs are trademarks of SpinetiX S A Other product and company names appearing in SpinetiX S A products and materials are used for identification purposes only and may be trademarks or registered trademarks of their respective companies Registered and unregistered trademarks used in any SpinetiX S A products and materials are the exclusive property of their respective owners SpinetiX S A Rue des Terreaux 17 1003 Lausanne Switzerland www spinetix com info spinetix com SpinetiX Technical Documentation Shared Variables v2 0 INTRODUCTION One of the most requested applications for the HMP100 is the reproduction of live video streaming Just like a standard local or remote video a streaming video is considered an object to be placed in a project played by the HMP100 Thus infinite possibilities of integration exist streaming video can appear in a box with several other objects or full screen like it would be on a traditional TV The architecture shown below is a typical application of video streams sent through an IP network received by an HMP100 and displayed on the screen with other contents Network LAN or Internet HMP100 Video streamer This document explains and shows in detail
8. ain IP address via DHCP gt Vi i Video Audio 9 Use the following IP address gt Live View Config IP address 172 21 204 Subnet mask 255 255 0 0 EE gt Events Default router 172 21 0 1 Recording List IPv6 Address Configuration System Options Enable IPv6 Services About V Enable ARP Ping setting of IP Address AXIS Internet Dynamic DNS Service See also the advanced TCP IP settings 12 SpinetiX Technical Documentation Shared Variables v2 0 Video stream configuration AXIS a AXIS Q7401 Video Encoder Live View Setup Help Video Stream Settings Video amp Audio Image Audio H 264 MJPEG Video Stream Image Appearance Stream Profiles Resolution Aspect ratio correction Camera Settings Overlay Image Privacy Mask SEUSS ET 50 0 100 Audio Settings D1 720 x 576 v Mirror image A Color setting Colo gt Live View Config M Video Stream gt Events Maximum frame rate unlimited Recording List Limited to 1 30 fps per viewer gt System Options Text Overlay Settings V Include date d Include time About V Include text Spinetix Text color white Text background color black e Place text date time at top of image Preview View image stream vhile configuring Video format MJPEG w Save Reset The following is an example of ASX file needed to include the video stream coming f
9. f 5 Close the dialog and apply save the changes Notes e the path portion of the RTSP server depends on the server configuration e the default port for the RTSP protocol is 5554 e the selected server must use one of the video codecs formats supported by the HMP100 for the streaming to work as expected e when username and password are required by the streaming server the most common format is the following protocol username password hostname port path Valid codecs for streaming video The supported video codecs are 4 H 264 e WMV 9 Simple and Main profiles The supported audio codec are e MP3 max 128kbit s The recommended codec is MPEG4 Due to its high compression ratio a video streaming of as low as 500Kbit s can produce an average quality video stream while iMbit s produces near TV quality For best results the following parameters should be used if possible e video codec MPEG4 3Mbit s e audio codec mp3 128kbit s VBR 2 channels stereo H 264 and Windows Media Video 9 Simple and Main profiles are anyway also supported and commonly used SpinetiX Technical Documentation Shared Variables v2 0 ADDITIONAL CONFIGURATION Streaming video buffering For each video streaming included in a HMD project the HMP100 allocates a buffer to reproduce the video without interruptions in case of small network hiccups This value is customizable by adding the following property to the animat
10. ion tag inside the SVG file spx buffering number of seconds where e number of seconds is the buffer time allocated in seconds The default value for the video buffer is 1 5 seconds 2009 SpinetiX S A All rights reserved HARDWARE DEVICES CONFIGURATION IP Camera Axis 207W This example shows a typical configuration for an Axis 207W camera to produce a video stream usable in a HMD project Similar options may be used for cameras with the same features The pictures below show the minimum settings required to be verified for the camera to work with an HMP100 Network configuration AXIS a AXIS 207W Network Camera Live View Setup Help Basic Configuration Basic TCP IP Settings Instructions Network Settings d View current network settings 3 TCP IP Network Interface Mode E is Auto wired if cable connected otherwise wireless 6 Audio wired Ethernet only IPv4 Address Configuration Ethernet gt Video amp Image Statens Adha Audio Enable IPv4 Obtain IP address via DHCP Live View Config Use the following IP address Event Configuration IP address 192 168 0 100 gt System Options Subnet mask 255 255 255 0 Default router 192 168 0 1 About IPv6 Address Configuration Ethernet Enable 1Pv6 IPv4 Address Configuration Wireless Status Inactive wired only mode Enable IPv4 Obtain IP address via DHCP Use the following IP address IP address 1
11. ld be installed on the streaming source in case of a PC on the network premises router or hardware firewall or on the PC where HMD is installed and where the testing is performed Router configurations depending on the network architecture and router s configuration some streams could be blocked e g multicast streams UDP flows specific ports etc Also NAT networks are often the cause of the impossibility to have a direct IP connection between the streamer and the player All these aspects should be taken into consideration when designing the architecture that will enable the video streaming feature Technical Support In case of unresolved issues please refer to the SpinetiX technical support supportGspinetix com providing as many details as possible on the streamer model and configuration the network architecture the URL or ASX file used In addition enclose 16 SpinetiX Technical Documentation Shared Variables v2 0 the HMP100 report that can be downloaded from the web administration interface going to the Maintenance page and clicking on the Get report button 17
12. ra Axis 207 NNER 6e 10 Video Encoder Axis Q7401 RMD nn Nen n ee 12 Videolan MEC ouo ern eee 14 The VideoLAN VLC application NS 14 Command line parameters 9 EEN Wf 14 ASX file parameters 4 f 15 Troubleshouting WEE ooo 16 Testing stream on a 9 ff nn nn 16 Common issues cce Noo esso Nen nn nn nnn n NENNEN 16 Technical M Oso 9 16 SpinetiX Technical Documentation Shared Variables v2 0 INTRODUCTION TO STREAMING Application examples Several traditional TV channels are now also available on the Internet so for example the TV content can be integrated with local news feeds and advertisement IP cameras have become very cheap and popular the video produced by a camera could be shown by the HMP100 for security purposes together with other information provided by other devices IP video streamers are also very common a small box can convert several analog videos into IP streams this paves the way for IP TV and Video on Demand applications Streaming methods and protocols The particularity of streaming is the fact that the media is played while it is still being downloaded This is
13. reaming server using http streaming an ASX WSX file is needed to connect to the source The ASX WSX file is generally created by the video server itself To use the ASX file provided by the video server follow the steps below 1 Create a multilayer document and open it 2 Configure the properties of the main media button 3 Change the URI string to the path of the chosen ASX file e g http mfile akamai com 21529 live reflector 22961 asx 4 Open the More tab and make sure that the Mime type is set to video x ms asf 5 Close the dialog and apply save your changes Streaming http video If the selected streaming server doesn t provide an ASX file the ASX file must be created manually with the following procedure T Open a simple XML editor or text editor like Notepad 2 Create the following file replacing the HREF value by the selected media source ASX version 3 0 gt ENTRY REF HREF http live mediaserver kataweb it deejaytv ENTRY lt ASX gt 3i Save this file as media asx 4 Include this file into the HMD project as if it was a local video file SpinetiX Technical Documentation Shared Variables v2 0 The picture below shows a typical project where a layer highlighted consists in a ASX file and is managed by HMD exactly like any other layer an image a video etc File Settings Help f 15 2 K z 27 8 RH 0 05 04
14. rom the encoder specified earlier into the HMD project lt xml version 1 0 encoding UTF 8 gt lt Generator SpinetiX Hyper Media Director gt lt ASX VERSION 3 0 gt lt ENTRY gt REF href rtsp 172 21 2 4 axis media media amp gt lt ENTRY gt lt ASX gt where e rtsp is the protocol used by the video streamer D 172 21 2 4 is the IP address of the video streamer e axis media media amp is the path to request the specific video stream 13 2009 SpinetiX S A All rights reserved VIDEOLAN VLC The VideoLAN VLC application This is an open source software application available at http www videolan org vlc It is capable of receiving and playing streams but also of producing video streams to be sent to the network The source of the streams can be any local or remote file or a video capture device installed on the same PC TV cards video capture cards cameras etc This section shows how to use VLC as a PC based software streamer Command line parameters The easiest way of configuring VLC with the desired parameters is launching it from the command line One or more Windows batch files bat could also be used to accelerate the launch of VLC with several preset parameters The first example makes VLC stream the selected local video over HTTP in a loop path to vlc folder vlc exe selected video xyz L sout std access http mux ps dst local_IP local_port fi
15. s Use variable bit rate Constant bit rate Max compression 0 100 Min compression o Target bit rate kbit s Priority View image after saving 11 2009 SpinetiX S A All rights reserved The following is an example of ASX file needed to include the video stream coming from the camera specified earlier into the HMD project lt xml version 1 0 encoding UTF 8 gt lt Generator SpinetiX Hyper Media Director gt ASX VERSION 3 0 gt lt ENTRY gt REF href rtsp 192 168 0 100 554 mpeg4 media amp gt lt ENTRY gt lt ASX gt where e rtsp is the protocol used by the video streamer e 192 168 0 100 554 is the IP address of the video streamer and its port e mpeg4 media amp is the path to request the specific video stream Video Encoder Axis Q7401 This example shows a typical configuration for an Axis Q7401 video encoder to produce a video stream usable in a HMD project Similar options may be used for video encoders with the same features The pictures below show the minimum settings required to be verified for the encoder to work with an HMP100 Network configuration AXIS AXIS Q7401 Video Encoder Live View Setup Help Basic Setup Basic TCP IP Settings Instructions Net gt m IP View current network settings mar 3 Date amp Time IPv4 Address Configuration 4 Video Stream y 5 Audio Settings Enable IPv4 Obt
16. t is the local port number where VLC is streaming same as in the above examples 15 2009 SpinetiX S A All rights reserved TROUBLESHOUTING If you can t see the video of your streamer on the HMP100 or if you are unsure whether the stream is working at all or not you may start troubleshooting using a client application on your PC Testing stream on a PC A good and open source choice is VideoLAN VLC available for download at http www videolan org vlc Try opening the stream from VLC Media Open Network option using the protocol IP address port path filename provided by your streamer Pay attention to the difference of URL to use in VLC and on the HMP100 VLC rtp or udp HMD HMP100 rtp or udp E g VLC 224 0 0 1 1234 HMD HMP100 rtp 224 0 0 1 1234 You should be able to see the video playing on your PC If this isn t the case there are probably some issues with the streamer verify IP address port protocol and then firewall and router configurations When you manage to receive and see the video then you can take the exact URL string used by VLC and paste it into the asx file mentioned in the previous chapter Start by trying the asx file in HMD and then publish your project on the HMP100 for final testing Common issues Typical difficulties in displaying a stream on the HMP100 are due to Firewalls a firewall could block the video stream coming from the streamer it cou
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