static int flv_set_video_codec(AVFormatContext *s, AVStream *vstream, int flv_codecid, int read) { AVCodecContext *vcodec = vstream->codec; switch(flv_codecid) { case FLV_CODECID_H263 : vcodec->codec_id = AV_CODEC_ID_FLV1 ; break; case FLV_CODECID_SCREEN: vcodec->codec_id = AV_CODEC_ID_FLASHSV; break; case FLV_CODECID_SCREEN2: vcodec->codec_id = AV_CODEC_ID_FLASHSV2; break; case FLV_CODECID_VP6 : vcodec->codec_id = AV_CODEC_ID_VP6F ; case FLV_CODECID_VP6A : if(flv_codecid == FLV_CODECID_VP6A) vcodec->codec_id = AV_CODEC_ID_VP6A; if (read) { if (vcodec->extradata_size != 1) { vcodec->extradata_size = 1; vcodec->extradata = av_malloc(1); } vcodec->extradata[0] = avio_r8(s->pb); } return 1; // 1 byte body size adjustment for flv_read_packet() case FLV_CODECID_H264: vcodec->codec_id = AV_CODEC_ID_H264; return 3; // not 4, reading packet type will consume one byte default: av_log(s, AV_LOG_INFO, "Unsupported video codec (%x)\n", flv_codecid); vcodec->codec_tag = flv_codecid; } return 0; }