[FFmpeg-trac] #5111(avcodec:new): h264 memleak

[FFmpeg]

#5111: h264 memleak
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  h264 leak
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Regression since 8234f0e3b485811d60c228c40a94a141c46e61ca
 {{{
 $ valgrind --leak-check=full ./ffmpeg_g -i segment2042665_700_av-p.ts
 ==28778== Memcheck, a memory error detector
 ==28778== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
 ==28778== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright
 info
 ==28778== Command: ./ffmpeg_g -i segment2042665_700_av-p.ts
 ==28778==
 ffmpeg version N-77543-gb0e23f2 Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration:
   libavutil      55. 11.100 / 55. 11.100
   libavcodec     57. 20.100 / 57. 20.100
   libavformat    57. 21.100 / 57. 21.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 22.100 /  6. 22.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
 [h264 @ 0xb740780] non-existing PPS 0 referenced
     Last message repeated 1 times
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] no frame!

 ...

 [h264 @ 0xb740780] non-existing PPS 0 referenced
     Last message repeated 1 times
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] non-existing PPS 0 referenced
 [h264 @ 0xb740780] decode_slice_header error
 [h264 @ 0xb740780] no frame!
 [NULL @ 0xb742380] start time for stream 2 is not set in
 estimate_timings_from_pts
 Input #0, mpegts, from 'segment2042665_700_av-p.ts':
   Duration: 00:00:10.11, start: 1684.534578, bitrate: 790 kb/s
   Program 1
     Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p, 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 29.97 fps, 29.97
 tbr, 90k tbn, 59.94 tbc
     Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000
 Hz, stereo, fltp, 127 kb/s
     Stream #0:2[0x102]: Data: timed_id3 (ID3  / 0x20334449)
 At least one output file must be specified
 ==28778==
 ==28778== HEAP SUMMARY:
 ==28778==     in use at exit: 108 bytes in 2 blocks
 ==28778==   total heap usage: 3,927 allocs, 3,925 frees, 6,659,025 bytes
 allocated
 ==28778==
 ==28778== 60 bytes in 1 blocks are definitely lost in loss record 2 of 2
 ==28778==    at 0x4C2ABED: malloc (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==28778==    by 0x4C2AD6F: realloc (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==28778==    by 0xFBCAA0: av_reallocp (mem.c:168)
 ==28778==    by 0x7A68B0: ff_h264_decode_sei (h264_sei.c:170)
 ==28778==    by 0x79B672: h264_parse (h264_parser.c:291)
 ==28778==    by 0xA2920B: av_parser_parse2 (parser.c:173)
 ==28778==    by 0x670746: parse_packet (utils.c:1241)
 ==28778==    by 0x671761: read_frame_internal (utils.c:1406)
 ==28778==    by 0x675F2D: avformat_find_stream_info (utils.c:3290)
 ==28778==    by 0x486170: open_input_file (ffmpeg_opt.c:970)
 ==28778==    by 0x47FCB2: open_files.isra.8 (ffmpeg_opt.c:2999)
 ==28778==    by 0x487A90: ffmpeg_parse_options (ffmpeg_opt.c:3036)
 ==28778==
 ==28778== LEAK SUMMARY:
 ==28778==    definitely lost: 60 bytes in 1 blocks
 ==28778==    indirectly lost: 0 bytes in 0 blocks
 ==28778==      possibly lost: 0 bytes in 0 blocks
 ==28778==    still reachable: 48 bytes in 1 blocks
 ==28778==         suppressed: 0 bytes in 0 blocks
 ==28778== Reachable blocks (those to which a pointer was found) are not
 shown.
 ==28778== To see them, rerun with: --leak-check=full --show-reachable=yes
 ==28778==
 ==28778== For counts of detected and suppressed errors, rerun with: -v
 ==28778== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 2)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5111>
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