On Wed, Apr 25, 2012 at 16:45, Григорий <[email protected]> wrote: > Andrey Utkin <[email protected]> писал(а) в своём письме Wed, > 25 Apr 2012 17:29:09 +0400: > > >> 25 апреля 2012 г. 15:52 пользователь Григорий <[email protected]> >> написал: >>> >>> Hi all. >>> I've built libffmpeg for Android and am trying to decode H.264 stream >>> using >>> it. I'm receiving that stream via RTMP connection and passing all video >>> packets (excluding first byte that contains flags related to RTMP) to the >>> avcodec_decode_video2 function. With H.263 it works perfectly, but when I >>> try to use the same code (only with codec ID changed) for H.264, every >>> call >>> to avcodec_decode_video2 returns -1 and nothing gets decoded. >>> Here is the output: >> >> >> Do you know libavformat can read and demux RTMP stream by itself? >> Seems like problem in your demuxer, because decoding the frames it >> produces fail. >> > > Yes I know, but I need more than simply receiving and playing, this will be > a kind of VoIP service. My demuxer seems to work fine - I am able to > successfully decode audio using Speex and video using libavcodec when it is > encoded into H.263. Only problem is with H.264.
Packing of h264 into a stream is not trivial. You may find some curious information at http://livertmpjavapublisher.blogspot.com/2011/06/h264-avcvideopacket.html Alex _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
