FLV_AUDIO_CODECID_OFFSET 30 libavformat/flv.h #define FLV_AUDIO_CODECID_OFFSET 4 FLV_AUDIO_CODECID_OFFSET 75 libavformat/flv.h FLV_CODECID_ADPCM = 1 << FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 76 libavformat/flv.h FLV_CODECID_MP3 = 2 << FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 77 libavformat/flv.h FLV_CODECID_PCM_LE = 3 << FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 78 libavformat/flv.h FLV_CODECID_NELLYMOSER_8KHZ_MONO = 5 << FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 79 libavformat/flv.h FLV_CODECID_NELLYMOSER = 6 << FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 80 libavformat/flv.h FLV_CODECID_AAC = 10<< FLV_AUDIO_CODECID_OFFSET, FLV_AUDIO_CODECID_OFFSET 81 libavformat/flv.h FLV_CODECID_SPEEX = 11<< FLV_AUDIO_CODECID_OFFSET,