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Submit bugs and patches
13 avril 2011Unfortunately a software is never perfect.
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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Not able to configure FFserver for RTSP
2 novembre 2015, par SujithI am kind of new to the streaming world... so, please forgive me if I ask kind of dumb question.
I am trying to stream my pre-recorded file over RTSP through FFserver.
My config file is :
RTSPPort 8544
<feed>
File /home/xyz/tmp/feed2.ffm
FileMaxSize 200K
ACL allow 127.0.0.1
</feed>
<stream>
Feed feed2.ffm
Format rtsp
VideoFrameRate 15
VideoSize 352x240
VideoBitRate 256
VideoBufferSize 40
VideoGopSize 30
AudioBitRate 64
StartSendOnKey
</stream>After starting the server, it give the below log :
$ ./ffserver -f doc/ffserver.conf
ffserver version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
built on Sep 17 2012 19:46:38 with gcc 4.1.2 20080704 (Red Hat 4.1.2-52)
configuration: --enable-gpl --enable-libmp3lame --enable-libtheora --enable-libvo-aacenc
-enable-libvorbis --enable-libvpx --enable-libx264 --enable-version3
libavutil 51. 54.100 / 51. 54.100
libavcodec 54. 23.100 / 54. 23.100
libavformat 54. 6.100 / 54. 6.100
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 77.100 / 2. 77.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Wed Sep 19 17:03:32 2012 FFserver started.And now from my VLC client I am trying to type the URL : rtsp ://xxx.xxx.xxx.xxx:8554/test.sdp
But, what happens is that, there is no response on the ffserver.
I have no clue what might be the problem. Thanks in advance.
-
OpenCV VideoWriter using ffmpeg with "Could not open codec 'libx264'" Error
19 avril, par user2262504I am new to OpenCV, and I want write Mat images into video using VideoWriter on Ubuntu 12.04. But when constructing VideoWriter, errors came out.



It seems that OpenCV invoke ffmpeg API using default parameters and ffmpeg invoke x264 using its default parameters. Then these setting is broken for libx264. Thus the "Could not open codec 'libx264'" error.



Anyone has ideas to solve this problem ?



More specifically :



- 

- anyone knows where and how OpenCV invoke ffmpeg API ?
- how to change ffmpeg default settings using code, hopefull, can be easily embeded into OpenCV ?
- will changes of default in ffmpeg be carried to libx264 ?









Errors :



1. Uising CV_FOURCC('H', '2', '6', '4')
[libx264 @ 0x255de40] broken ffmpeg default settings detected
[libx264 @ 0x255de40] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x255de40] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x255de40] speed presets are listed in x264 --help
[libx264 @ 0x255de40] profile is optional; x264 defaults to high
Could not open codec 'libx264': Unspecified error

2. Using FOURCC = -1 to invoke user customized codec
OpenCV Error: Unsupported format or combination of formats (Gstreamer Opencv 
backend doesn't support this codec acutally.) in CvVideoWriter_GStreamer::open, 
file /home/XXX/Downloads/opencv-2.4.8/modules/highgui/src/cap_gstreamer.cpp, 
line 505 terminate called after throwing an instance of 'cv::Exception'
what(): /home/XXX/Downloads/opencv-2.4.8/modules/highgui/src/cap_gstreamer.cpp:
505: error: (-210) Gstreamer Opencv backend doesn't support this codec acutally.
in function CvVideoWriter_GStreamer::open
</profile></speed>


Codes :



int main(int argc, char *argv[])
{
 VideoWriter outputVideo;
 bool fourcc_on = true; //switch on / off different error
 if (fourcc_on)
 outputVideo.open("outVideo.avi", CV_FOURCC('H', '2', '6', '4'), 25, Size(100, 100), true);
 else
 outputVideo.open("outVideo.avi", -1, 25, Size(100, 100), true);

 if (!outputVideo.isOpened())
 {
 cout << "Could not open the output video for write" << endl;
 return -1;
 }
 return 0;
}



OpenCV Configuration :



-- Detected version of GNU GCC: 46 (406)
-- Found OpenEXR: /usr/lib/libIlmImf.so
-- Looking for linux/videodev.h
-- Looking for linux/videodev.h - not found
-- Looking for linux/videodev2.h
-- Looking for linux/videodev2.h - found
-- Looking for sys/videoio.h
-- Looking for sys/videoio.h - not found
-- Looking for libavformat/avformat.h
-- Looking for libavformat/avformat.h - found
-- Looking for ffmpeg/avformat.h
-- Looking for ffmpeg/avformat.h - not found
-- Could NOT find JNI (missing: JAVA_INCLUDE_PATH JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH) 
-- 
-- General configuration for OpenCV 2.4.8 =====================================
-- Version control: unknown
-- 
-- Platform:
-- Host: Linux 3.8.0-38-generic x86_64
-- CMake: 2.8.7
-- CMake generator: Unix Makefiles
-- CMake build tool: /usr/bin/make
-- Configuration: RELEASE
-- 
-- C/C++:
-- Built as dynamic libs?: YES
-- C++ Compiler: /usr/bin/c++ (ver 4.6)
-- C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -O3 -DNDEBUG -DNDEBUG
-- C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -g -O0 -DDEBUG -D_DEBUG
-- C Compiler: /usr/bin/gcc
-- C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -O3 -DNDEBUG -DNDEBUG
-- C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -msse3 -ffunction-sections -g -O0 -DDEBUG -D_DEBUG
-- Linker flags (Release): 
-- Linker flags (Debug): 
-- Precompiled headers: YES
-- 
-- OpenCV modules:
-- To be built: core flann imgproc highgui features2d calib3d ml video legacy objdetect photo gpu ocl nonfree contrib python stitching superres ts videostab
-- Disabled: world
-- Disabled by dependency: -
-- Unavailable: androidcamera dynamicuda java
-- 
-- GUI: 
-- QT: NO
-- GTK+ 2.x: YES (ver 2.24.10)
-- GThread : YES (ver 2.32.4)
-- GtkGlExt: NO
-- OpenGL support: NO
-- 
-- Media I/O: 
-- ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.3.4)
-- JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver )
-- PNG: /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.2.46)
-- TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 - 3.9.5)
-- JPEG 2000: /usr/lib/x86_64-linux-gnu/libjasper.so (ver 1.900.1)
-- OpenEXR: /usr/lib/libImath.so /usr/lib/libIlmImf.so /usr/lib/libIex.so /usr/lib/libHalf.so /usr/lib/libIlmThread.so (ver 1.6.1)
-- 
-- Video I/O:
-- DC1394 1.x: NO
-- DC1394 2.x: YES (ver 2.2.0)
-- FFMPEG: YES
-- codec: YES (ver 55.58.105)
-- format: YES (ver 55.37.101)
-- util: YES (ver 52.78.100)
-- swscale: YES (ver 2.6.100)
-- gentoo-style: YES
-- GStreamer: 
-- base: YES (ver 0.10.36)
-- app: YES (ver 0.10.36)
-- video: YES (ver 0.10.36)
-- OpenNI: NO
-- OpenNI PrimeSensor Modules: NO
-- PvAPI: NO
-- GigEVisionSDK: NO
-- UniCap: NO
-- UniCap ucil: NO
-- V4L/V4L2: Using libv4l (ver 1.0.1)
-- XIMEA: NO
-- Xine: NO
-- 
-- Other third-party libraries:
-- Use IPP: NO
-- Use Eigen: NO
-- Use TBB: NO
-- Use OpenMP: NO
-- Use GCD NO
-- Use Concurrency NO
-- Use C=: NO
-- Use Cuda: NO
-- Use OpenCL: YES
-- 
-- OpenCL:
-- Version: dynamic
-- Include path: /home/shixudongleo/Downloads/opencv-2.4.8/3rdparty/include/opencl/1.2
-- Use AMD FFT: NO
-- Use AMD BLAS: NO
-- 
-- Python:
-- Interpreter: /usr/bin/python (ver 2.7.3)
-- Libraries: /usr/lib/libpython2.7.so
-- numpy: /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.6.1)
-- packages path: lib/python2.7/dist-packages
-- 
-- Java:
-- ant: NO
-- JNI: NO
-- Java tests: NO
-- 
-- Documentation:
-- Build Documentation: NO
-- Sphinx: NO
-- PdfLaTeX compiler: /usr/bin/pdflatex
-- 
-- Tests and samples:
-- Tests: YES
-- Performance tests: YES
-- C/C++ Examples: NO
-- 
-- Install path: /usr/local
-- 
-- cvconfig.h is in: /home/shixudongleo/Downloads/opencv-2.4.8/build
-- -----------------------------------------------------------------
-- 
-- Configuring done
-- Generating done
-- Build files have been written to: /home/XXX/Downloads/opencv-2.4.8/build



FFMPEG



ffmpeg is enable to support OpenCV and libx264 is enabled when compiling ffmpeg.
By using ffmpeg command line, libx264 is running normally.



$ ffmpeg -i test.avi -vcodec libx264 test.mp4
ffmpeg -i test.avi -vcodec libx264 test.mp4 > ~/Downloads/ffmpeg_log.txt
ffmpeg version 2.2.git Copyright (c) 2000-2014 the FFmpeg developers
 built on Apr 24 2014 16:39:51 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
 configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-nonfree --enable-postproc --enable-version3 --enable-x11grab --enable-shared --enable-pic
 libavutil 52. 78.100 / 52. 78.100
 libavcodec 55. 58.105 / 55. 58.105
 libavformat 55. 37.101 / 55. 37.101
 libavdevice 55. 13.100 / 55. 13.100
 libavfilter 4. 4.100 / 4. 4.100
 libswscale 2. 6.100 / 2. 6.100
 libswresample 0. 18.100 / 0. 18.100
 libpostproc 52. 3.100 / 52. 3.100
Input #0, avi, from 'test.avi':
 Duration: 00:00:03.73, start: 0.000000, bitrate: 1757 kb/s
 Stream #0:0: Video: msvideo1 (CRAM / 0x4D415243), rgb555le, 320x240, 1781 kb/s, 15 tbr, 15 tbn, 15 tbc
 Metadata:
 title : julius.avi Video #1
File 'test.mp4' already exists. Overwrite ? [y/N] y
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x25d08e0] using cpu capabilities: none!
[libx264 @ 0x25d08e0] profile High 4:4:4 Predictive, level 1.2, 4:4:4 8-bit
[libx264 @ 0x25d08e0] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=12 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=15 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'test.mp4':
 Metadata:
 encoder : Lavf55.37.101
 Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 320x240, q=-1--1, 15360 tbn, 15 tbc
 Metadata:
 title : julius.avi Video #1
Stream mapping:
 Stream #0:0 -> #0:0 (msvideo1 -> libx264)
Press [q] to stop, [?] for help
frame= 56 fps=0.0 q=-1.0 Lsize= 321kB time=00:00:03.60 bitrate= 731.0kbits/s 
video:320kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.409949%
[libx264 @ 0x25d08e0] frame I:3 Avg QP:15.36 size: 7975
[libx264 @ 0x25d08e0] frame P:38 Avg QP:26.05 size: 6230
[libx264 @ 0x25d08e0] frame B:15 Avg QP:28.25 size: 4418
[libx264 @ 0x25d08e0] consecutive B-frames: 46.4% 53.6% 0.0% 0.0%
[libx264 @ 0x25d08e0] mb I I16..4: 1.4% 72.8% 25.8%
[libx264 @ 0x25d08e0] mb P I16..4: 1.6% 5.7% 15.1% P16..4: 7.6% 6.3% 7.4% 0.0% 0.0% skip:56.3%
[libx264 @ 0x25d08e0] mb B I16..4: 0.2% 1.0% 2.0% B16..8: 13.3% 7.8% 8.7% direct: 8.3% skip:58.8% L0:34.9% L1:36.6% BI:28.5%
[libx264 @ 0x25d08e0] 8x8 transform intra:37.7% inter:2.3%
[libx264 @ 0x25d08e0] coded y,u,v intra: 52.1% 42.1% 30.1% inter: 19.6% 9.2% 5.2%
[libx264 @ 0x25d08e0] i16 v,h,dc,p: 56% 17% 24% 2%
[libx264 @ 0x25d08e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 16% 68% 1% 1% 1% 1% 1% 1%
[libx264 @ 0x25d08e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 28% 5% 6% 5% 7% 5% 6%
[libx264 @ 0x25d08e0] Weighted P-Frames: Y:31.6% UV:21.1%
[libx264 @ 0x25d08e0] ref P L0: 70.5% 9.0% 12.1% 6.5% 2.0%
[libx264 @ 0x25d08e0] ref B L0: 91.3% 8.7%
[libx264 @ 0x25d08e0] kb/s:700.56


-
RTP packets detected as UDP
8 juillet 2024, par fritzHere is what I am trying to do :



WebRTC endpoint > RTP Endpoint > ffmpeg > RTMP server.



This is what my SDP file looks like.



var cm_offer = "v=0\n" +
 "o=- 3641290734 3641290734 IN IP4 127.0.0.1\n" +
 "s=nginx\n" +
 "c=IN IP4 127.0.0.1\n" +
 "t=0 0\n" +
 "m=audio 60820 RTP/AVP 0\n" +
 "a=rtpmap:0 PCMU/8000\n" +
 "a=recvonly\n" +
 "m=video 59618 RTP/AVP 101\n" +
 "a=rtpmap:101 H264/90000\n" +
 "a=recvonly\n";



What's happening is that wireshark can detect the incoming packets at port 59618, but not as RTP packets but UDP packets. I am trying to capture the packets using ffmpeg with the following command :



ubuntu@ip-132-31-40-100:~$ ffmpeg -i udp://127.0.0.1:59618 -vcodec copy stream.mp4
ffmpeg version git-2017-01-22-f1214ad Copyright (c) 2000-2017 the FFmpeg developers
 built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
 configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab --enable-libwavpack --enable-nvenc
 libavutil 55. 44.100 / 55. 44.100
 libavcodec 57. 75.100 / 57. 75.100
 libavformat 57. 63.100 / 57. 63.100
 libavdevice 57. 2.100 / 57. 2.100
 libavfilter 6. 69.100 / 6. 69.100
 libavresample 3. 2. 0 / 3. 2. 0
 libswscale 4. 3.101 / 4. 3.101
 libswresample 2. 4.100 / 2. 4.100
 libpostproc 54. 2.100 / 54. 2.100 



All I get is a blinking cursor and The stream.mp4 file is not written to disk after I exit (ctrl+c).



So can you help me figure out :



- 

- why wireshark cannot detect the packets as RTP (I suspect it has something to do with SDP)
- How to handle SDP answer when the RTP endpoint is pushing to ffmpeg which doesn't send an answer back.







Here is the entire code (hello world tutorial modified)



/*
 * (C) Copyright 2014-2015 Kurento (http://kurento.org/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

 function getopts(args, opts)
 {
 var result = opts.default || {};
 args.replace(
 new RegExp("([^?=&]+)(=([^&]*))?", "g"),
 function($0, $1, $2, $3) { result[$1] = decodeURI($3); });

 return result;
 };

 var args = getopts(location.search,
 {
 default:
 {
 ws_uri: 'wss://' + location.hostname + ':8433/kurento',
 ice_servers: undefined
 }
 });

 function setIceCandidateCallbacks(webRtcPeer, webRtcEp, onerror)
 {
 webRtcPeer.on('icecandidate', function(candidate) {
 console.log("Local candidate:",candidate);

 candidate = kurentoClient.getComplexType('IceCandidate')(candidate);

 webRtcEp.addIceCandidate(candidate, onerror)
 });

 webRtcEp.on('OnIceCandidate', function(event) {
 var candidate = event.candidate;

 console.log("Remote candidate:",candidate);

 webRtcPeer.addIceCandidate(candidate, onerror);
 });
 }


 function setIceCandidateCallbacks2(webRtcPeer, rtpEp, onerror)
 {
 webRtcPeer.on('icecandidate', function(candidate) {
 console.log("Localr candidate:",candidate);

 candidate = kurentoClient.getComplexType('IceCandidate')(candidate);

 rtpEp.addIceCandidate(candidate, onerror)
 });
 }


 window.addEventListener('load', function()
 {
 console = new Console();

 var webRtcPeer;
 var pipeline;
 var webRtcEpt;

 var videoInput = document.getElementById('videoInput');
 var videoOutput = document.getElementById('videoOutput');

 var startButton = document.getElementById("start");
 var stopButton = document.getElementById("stop");

 startButton.addEventListener("click", function()
 {
 showSpinner(videoInput, videoOutput);

 var options = {
 localVideo: videoInput,
 remoteVideo: videoOutput
 };


 if (args.ice_servers) {
 console.log("Use ICE servers: " + args.ice_servers);
 options.configuration = {
 iceServers : JSON.parse(args.ice_servers)
 };
 } else {
 console.log("Use freeice")
 }

 webRtcPeer = kurentoUtils.WebRtcPeer.WebRtcPeerSendrecv(options, function(error)
 {
 if(error) return onError(error)

 this.generateOffer(onOffer)
 });

 function onOffer(error, sdpOffer)
 {
 if(error) return onError(error)

 kurentoClient(args.ws_uri, function(error, client)
 {
 if(error) return onError(error);

 client.create("MediaPipeline", function(error, _pipeline)
 {
 if(error) return onError(error);

 pipeline = _pipeline;

 pipeline.create("WebRtcEndpoint", function(error, webRtc){
 if(error) return onError(error);

 webRtcEpt = webRtc;

 setIceCandidateCallbacks(webRtcPeer, webRtc, onError)

 webRtc.processOffer(sdpOffer, function(error, sdpAnswer){
 if(error) return onError(error);

 webRtcPeer.processAnswer(sdpAnswer, onError);
 });
 webRtc.gatherCandidates(onError);

 webRtc.connect(webRtc, function(error){
 if(error) return onError(error);

 console.log("Loopback established");
 });
 });



 pipeline.create("RtpEndpoint", function(error, rtp){
 if(error) return onError(error);

 //setIceCandidateCallbacks2(webRtcPeer, rtp, onError)


 var cm_offer = "v=0\n" +
 "o=- 3641290734 3641290734 IN IP4 127.0.0.1\n" +
 "s=nginx\n" +
 "c=IN IP4 127.0.0.1\n" +
 "t=0 0\n" +
 "m=audio 60820 RTP/AVP 0\n" +
 "a=rtpmap:0 PCMU/8000\n" +
 "a=recvonly\n" +
 "m=video 59618 RTP/AVP 101\n" +
 "a=rtpmap:101 H264/90000\n" +
 "a=recvonly\n";



 rtp.processOffer(cm_offer, function(error, cm_sdpAnswer){
 if(error) return onError(error);

 //webRtcPeer.processAnswer(cm_sdpAnswer, onError);
 });
 //rtp.gatherCandidates(onError);

 webRtcEpt.connect(rtp, function(error){
 if(error) return onError(error);

 console.log("RTP endpoint connected to webRTC");
 });
 });









 });
 });
 }
 });
 stopButton.addEventListener("click", stop);


 function stop() {
 if (webRtcPeer) {
 webRtcPeer.dispose();
 webRtcPeer = null;
 }

 if(pipeline){
 pipeline.release();
 pipeline = null;
 }

 hideSpinner(videoInput, videoOutput);
 }

 function onError(error) {
 if(error)
 {
 console.error(error);
 stop();
 }
 }
 })


 function showSpinner() {
 for (var i = 0; i < arguments.length; i++) {
 arguments[i].poster = 'img/transparent-1px.png';
 arguments[i].style.background = "center transparent url('img/spinner.gif') no-repeat";
 }
 }

 function hideSpinner() {
 for (var i = 0; i < arguments.length; i++) {
 arguments[i].src = '';
 arguments[i].poster = 'img/webrtc.png';
 arguments[i].style.background = '';
 }
 }

 /**
 * Lightbox utility (to display media pipeline image in a modal dialog)
 */
 $(document).delegate('*[data-toggle="lightbox"]', 'click', function(event) {
 event.preventDefault();
 $(this).ekkoLightbox();
 });


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