libavformat/flvdec.c:359: error: Uninitialized Value
  The value read from flags was never initialized.

libavformat/flvdec.c:359:43: 
357.             else
358.                 st->codec->sample_rate = (44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >> FLV_AUDIO_SAMPLERATE_OFFSET) >> 3);
359.             st->codec->bits_per_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8;
                                               ^
360.             flv_set_audio_codec(s, st, flags & FLV_AUDIO_CODECID_MASK);
361.         }
