FIFO_PACKETS_NUM  196 libavdevice/jack.c     self->filled_pkts = av_fifo_alloc_array(FIFO_PACKETS_NUM, sizeof(AVPacket));
FIFO_PACKETS_NUM  198 libavdevice/jack.c     self->new_pkts    = av_fifo_alloc_array((FIFO_PACKETS_NUM + 1), sizeof(AVPacket));