==31171== 1,388 bytes in 1 blocks are definitely lost in loss record 17 of 63
==31171==    at 0x4C236B6: memalign (vg_replace_malloc.c:581)
==31171==    by 0x4C2370F: posix_memalign (vg_replace_malloc.c:709)
==31171==    by 0x66A95C6: av_malloc (mem.c:90)
==31171==    by 0x5730170: av_new_packet (avpacket.c:64)
==31171==    by 0x514B21B: av_get_packet (utils.c:270)
==31171==    by 0x50C9533: mov_read_packet (mov.c:2606)
==31171==    by 0x514C69C: av_read_packet (utils.c:750)
==31171==    by 0x514E170: read_frame_internal (utils.c:1224)
==31171==    by 0x5151A80: avformat_find_stream_info (utils.c:2455)
==31171==    by 0x404185: main (web.c:909)