static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) { AVCodecContext *VideoCodec = s->streams[0]->codec; AVCodecContext *AudioCodec = s->streams[1]->codec; int AudioRate = AudioCodec->sample_rate; int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); int audio_kbitrate= AudioCodec->bit_rate / 1000; int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate); put_be32(pb, 0x94 ); /* size */ put_tag(pb, "uuid"); put_tag(pb, "PROF"); put_be32(pb, 0x21d24fce ); /* 96 bit UUID */ put_be32(pb, 0xbb88695c ); put_be32(pb, 0xfac9c740 ); put_be32(pb, 0x0 ); /* ? */ put_be32(pb, 0x3 ); /* 3 sections ? */ put_be32(pb, 0x14 ); /* size */ put_tag(pb, "FPRF"); put_be32(pb, 0x0 ); /* ? */ put_be32(pb, 0x0 ); /* ? */ put_be32(pb, 0x0 ); /* ? */ put_be32(pb, 0x2c ); /* size */ put_tag(pb, "APRF"); /* audio */ put_be32(pb, 0x0 ); put_be32(pb, 0x2 ); /* TrackID */ put_tag(pb, "mp4a"); put_be32(pb, 0x20f ); put_be32(pb, 0x0 ); put_be32(pb, audio_kbitrate); put_be32(pb, audio_kbitrate); put_be32(pb, AudioRate ); put_be32(pb, AudioCodec->channels ); put_be32(pb, 0x34 ); /* size */ put_tag(pb, "VPRF"); /* video */ put_be32(pb, 0x0 ); put_be32(pb, 0x1 ); /* TrackID */ put_tag(pb, "mp4v"); put_be32(pb, 0x103 ); put_be32(pb, 0x0 ); put_be32(pb, video_kbitrate); put_be32(pb, video_kbitrate); put_be32(pb, FrameRate); put_be32(pb, FrameRate); put_be16(pb, VideoCodec->width); put_be16(pb, VideoCodec->height); put_be32(pb, 0x010001); /* ? */ }