2016-11-29 12:07 GMT+01:00 Sampsa Riikonen <sampsa.riiko...@iki.fi>: > When reading AVPackets from a file, it is straightforward to pass correct > parameters to the ffmpeg/vdpau decoder, i. e., we call > > av_format_find_stream_info > > and get the relevant data to "AVStream(s)". Then we do: > > av_codec_parameters_to_context(AVCodecContext,AVStream.codecpar[AVCodecParameters]) > > That populates correct parameters into AVCodecContext, namely, > AVCodecContext->width, height, etc. > > This works also with "raw" H264 streams (i.e., with ".h264" files), that are > not "container" formats, such as matroska, etc.. > .. so the only conclusion is, that "av_format_find_stream_info" does some > kind of sps/pps packet parsing, right?
It calls libavcodec that does sps/pps parsing (this is the reason libavformat depends on libavcodec). Carl Eugen _______________________________________________ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user
