FLV_CODECID_AAC 131 libavformat/flvdec.c case FLV_CODECID_AAC: FLV_CODECID_AAC 173 libavformat/flvdec.c case FLV_CODECID_AAC: FLV_CODECID_AAC 52 libavformat/flvenc.c { AV_CODEC_ID_AAC, FLV_CODECID_AAC >> FLV_AUDIO_CODECID_OFFSET }, FLV_CODECID_AAC 83 libavformat/flvenc.c return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ |