I'm on the same problem... El dia 23/08/2015 6:18, "xiong xu" <[email protected]> va escriure:
> Hi, Moritz > > 2015-08-22 20:24 GMT+08:00 Moritz Barsnick <[email protected]>: > > On Sat, Aug 22, 2015 at 19:25:20 +0800, xiong xu wrote: > > > >> [libx264 @ 0x30ddfe0] bad option 'profile-level-id': '42E00C' > > > > According to the x264 docs, that's not even an option (lib)x264 > > provides, so how do expect to set it? What are you trying to achieve, > > and why? > > > > I try to set up a video call between a raspberry camera and a SIP terminal. > The SDP offer from SIP terminal is: > m=video 49224 RTP/AVP 122 123 34 > a=rtpmap:122 H264/90000 > a=fmtp:122 profile-level-id=64E00C;max-br=384 > a=rtpmap:123 H264/90000 > a=fmtp:123 profile-level-id=42E00C;max-br=384 > a=fmtp:34 CIF=2 QCIF=2 MaxBR=2560 > a=pri:HME,640*360,o,s3,s2 > > So I want to generate the H264 RTP stream with the right params. > > > I believe the profile level ID reflects certain encoding options and > > should be set by the encoder to indicate them: > > > > http://stackoverflow.com/a/22970025/3974309 > > > > If you only know that number (where do you have it from?) and want to > > encode for it, I am guessing that you will have to set the > > corresponding encoder options: > > > > profile_idc = 0x42 => "-profile baseline" > > profile-iop = 0xE0 => I have no idea how to set the constraints. E0 > probably means: "constrained intra baseline". > > level-idc = 0x0C => "-level 1.2" > > > > BTW, according to this: > > https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels > > the maximum frame rate for level 1.2 is 20 fps, your source is 30. > > > > I tried several profile, for example: > pi@raspberrypi ~ $ ffmpeg -f video4linux2 -i /dev/video0 -vcodec h264 > -b 90000 -payload_type 122 -s 320*240 -r 20 -profile:v baseline -level > 1.2 -f rtp rtp://10.17.41.163:45900 > > But the video still not show on the SIP terminal. > > -Xiong > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
