==25597==
==25597== 9 bytes in 1 blocks are definitely lost in loss record 2 of 6
==25597==    at 0x4C27168: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==25597==    by 0x4C27217: posix_memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==25597==    by 0x9E9189: av_strdup (mem.c:83)
==25597==    by 0x9EBC4E: av_opt_set_dict (opt.c:156)
==25597==    by 0x4F5D09: avformat_write_header (utils.c:2954)
==25597==    by 0x4398D3: transcode_init (avconv.c:2330)
==25597==    by 0x43C22A: main (avconv.c:2408)
==25597==
==25597== 1,380 (1,328 direct, 52 indirect) bytes in 1 blocks are definitely lost in loss record 6 of 6
==25597==    at 0x4C27168: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==25597==    by 0x4C27217: posix_memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==25597==    by 0x9E904D: av_malloc (mem.c:83)
==25597==    by 0x4C4DCA: avformat_alloc_context (options.c:144)
==25597==    by 0x4E1CDA: seg_write_header (segment.c:117)
==25597==    by 0x4F573A: avformat_write_header (utils.c:2965)
==25597==    by 0x4398D3: transcode_init (avconv.c:2330)
==25597==    by 0x43C22A: main (avconv.c:2408)
==25597==
==25597== LEAK SUMMARY:
==25597==    definitely lost: 1,337 bytes in 2 blocks
==25597==    indirectly lost: 52 bytes in 4 blocks
==25597==      possibly lost: 0 bytes in 0 blocks
==25597==    still reachable: 0 bytes in 0 blocks
==25597==         suppressed: 0 bytes in 0 blocks