FLV_AUDIO_SAMPLESIZE_MASK  192 libavformat/flvdec.c     int bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;
FLV_AUDIO_SAMPLESIZE_MASK 1183 libavformat/flvdec.c         bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;