<div dir="ltr">I have compiled the ffmpeg, and wanted to run a instance to receive a live audio+video stream.<div><br></div><div>However, everytime i run the ffpmeg instance, it throws the below error:</div><div><br></div>
<div>"Could not find codec parameters for stream 1 (Video: vp8, yuv420p): unspecified size"</div><div><br></div><div>can someone please tell me whats wrong here?what does this "unspecified size" error mean?</div>
<div><br></div><div>-Sandeep K S</div><div><br></div><div>Logs:</div><div><div>ffmpeg -i test.sdp test.webm</div><div>ffmpeg version git-2013-10-06-efff756 Copyright (c) 2000-2013 the FFmpeg developers</div><div> built on Nov 6 2013 16:22:24 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)</div>
<div> configuration: --prefix=/home/sandeep/ffmpeg_build --extra-cflags=-I/home/sandeep/ffmpeg_build/include --extra-ldflags=-L/home/sandeep/ffmpeg_build/lib --bindir=/home/sandeep/bin --extra-libs=-ldl --enable-gpl --enable-libass --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab --disable-yasm</div>
<div> libavutil 52. 46.100 / 52. 46.100</div><div> libavcodec 55. 34.100 / 55. 34.100</div><div> libavformat 55. 19.100 / 55. 19.100</div><div> libavdevice 55. 3.100 / 55. 3.100</div><div> libavfilter 3. 88.101 / 3. 88.101</div>
<div> libswscale 2. 5.101 / 2. 5.101</div><div> libswresample 0. 17.103 / 0. 17.103</div><div> libpostproc 52. 3.100 / 52. 3.100</div><div>[sdp @ 0xa676d40] Estimating duration from bitrate, this may be inaccurate</div>
<div>[sdp @ 0xa676d40] Could not find codec parameters for stream 1 (Video: vp8, yuv420p): unspecified size</div><div>Consider increasing the value for the 'analyzeduration' and 'probesize' options</div><div>
Guessed Channel Layout for Input Stream #0.0 : mono</div><div>Input #0, sdp, from 'test.sdp':</div><div> Metadata:</div><div> title : -</div><div> Duration: 00:00:00.04, bitrate: 63 kb/s</div><div>
Stream #0:0: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s</div><div> Stream #0:1: Video: vp8, yuv420p, 90k tbr, 90k tbn, 90k tbc</div><div>Output #0, webm, to 'test.webm':</div><div> Metadata:</div><div> title : -</div>
<div> encoder : Lavf55.19.100</div><div> Stream #0:0: Audio: vorbis (libvorbis), 8000 Hz, mono, fltp</div><div>Stream mapping:</div><div> Stream #0:0 -> #0:0 (pcm_mulaw -> libvorbis)</div><div>Press [q] to stop, [?] for help</div>
<div>test.sdp: Connection timed out</div><div>[libvorbis @ 0xa6dbfc0] Trying to remove 256 samples, but the queue is empty</div><div>[webm @ 0xa6db8c0] Encoder did not produce proper pts, making some up.</div><div>size= 3kB time=00:00:00.00 bitrate=3061.0kbits/s </div>
<div>video:0kB audio:0kB subtitle:0 global headers:3kB muxing overhead 17.912173%</div></div><div><br></div><div><br></div><div>SDP file contents:</div><div><div>v=0</div><div>o=- 1376063087593 1 IN IP4 127.0.0.1</div><div>
s=-</div><div>t=0 0</div><div>m=audio 50008 RTP/AVP 0</div><div>c=IN IP4 192.168.2.196</div><div>a=rtcp:50009 IN IP4 192.168.2.196</div><div>a=rtpmap:0 PCMU/8000</div><div>a=sendrecv</div><div>m=video 50010 RTP/AVP 120</div>
<div>c=IN IP4 192.168.2.196</div><div>a=rtcp:50011 IN IP4 192.168.2.196</div><div>a=rtpmap:120 VP8/90000</div><div>a=sendrecv</div><div>a=rtcp-fb:* nack</div><div>a=rtcp-fb:* ccm fir</div></div><div><br></div></div>