flv_set_audio_codec  195 libavformat/flvdec.c                 flv_set_audio_codec(s, astream, (int)num_val << FLV_AUDIO_CODECID_OFFSET);
flv_set_audio_codec  404 libavformat/flvdec.c             flv_set_audio_codec(s, st, flags & FLV_AUDIO_CODECID_MASK);