FLV_CODECID_AAC    60 libavformat/flvdec.c         case FLV_CODECID_AAC  : acodec->codec_id = CODEC_ID_AAC;                                    break;
FLV_CODECID_AAC    44 libavformat/flvenc.c     {CODEC_ID_AAC,       FLV_CODECID_AAC    >> FLV_AUDIO_CODECID_OFFSET},
FLV_CODECID_AAC    61 libavformat/flvenc.c         return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ | FLV_SAMPLESSIZE_16BIT | FLV_STEREO;