PEAK_BUFFER_SIZE  178 libavformat/wavenc.c     wav->peak_output = av_malloc(PEAK_BUFFER_SIZE);
PEAK_BUFFER_SIZE  182 libavformat/wavenc.c     wav->peak_outbuf_size = PEAK_BUFFER_SIZE;
PEAK_BUFFER_SIZE  214 libavformat/wavenc.c             wav->peak_outbuf_size += PEAK_BUFFER_SIZE;