[FFmpeg-trac] #124(undetermined:new): Memleak on image size change

[FFmpeg]

#124: Memleak on image size change
----------------------+--------------------------
  Reporter:  cehoyos  |      Owner:
      Type:  defect   |     Status:  new
  Priority:  normal   |  Component:  undetermined
   Version:  git      |   Keywords:
Blocked By:           |   Blocking:
Reproduced:  0        |   Analyzed:  0
----------------------+--------------------------
 The sample from ticket #64 now causes a memleak
 {{{
 $ valgrind ffmpeg_g -i all_filese_together.264 -s 640x480 -f null -
 ==14176== Memcheck, a memory error detector
 ==14176== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al.
 ==14176== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright
 info
 ==14176== Command: ffmpeg_g -i all_filese_together.264 -s 640x480 -f null
 -
 ==14176==
 ffmpeg version git-N-29391-gd84f191, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Apr 26 2011 20:33:16 with gcc 4.5.2
   configuration: --cc='/usr/local/gcc-4.5.2/bin/gcc -m32' --enable-gpl
   libavutil    51.  0. 0 / 51.  0. 0
   libavcodec   53.  1. 0 / 53.  1. 0
   libavformat  53.  0. 3 / 53.  0. 3
   libavdevice  53.  0. 0 / 53.  0. 0
   libavfilter   2.  0. 0 /  2.  0. 0
   libswscale    0. 13. 0 /  0. 13. 0
 ==14176== Conditional jump or move depends on uninitialised value(s)
 ==14176==    at 0x827FA4C: ff_h264_find_frame_end.clone.3
 (h264_parser.c:56)
 ==14176==
 [h264 @ 0x7c226a0] missing picture in access unit
 [h264 @ 0x7c0fdc0] Estimating duration from bitrate, this may be
 inaccurate

 Seems stream 0 codec frame rate differs from container frame rate: 50.00
 (50/1) -> 25.00 (50/2)
 Input #0, h264, from 'all_filese_together.264':
   Duration: N/A, bitrate: N/A
     Stream #0.0: Video: h264 (Baseline), yuv420p, 960x544, 25 fps, 25 tbr,
 1200k tbn, 50 tbc
 [buffer @ 0xa508070] w:960 h:544 pixfmt:yuv420p
 [scale @ 0xa5087d0] w:960 h:544 fmt:yuv420p -> w:640 h:480 fmt:yuv420p
 flags:0xa0000004
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf53.0.3
     Stream #0.0: Video: rawvideo, yuv420p, 640x480, q=2-31, 200 kb/s, 90k
 tbn, 25 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 [buffer @ 0xa508070] Changing filter graph input to accept 1920x1088 0 (0
 0)
 [scale @ 0xa5087d0] w:1920 h:1088 fmt:yuv420p -> w:960 h:544 fmt:yuv420p
 flags:0x2
 Input stream #0.0 frame changed from size:960x544 fmt:yuv420p to
 size:1920x1088 fmt:yuv420p
 [h264 @ 0x7c226a0] no frame!ze=      -0kB time=0.72 bitrate=  -0.2kbits/s
 Error while decoding stream #0.0
 ==14176== Conditional jump or move depends on uninitialised value(s)
 ==14176==    at 0x85C37B7: av_log_default_callback (log.c:120)
 ==14176==
 frame=   18 fps=  5 q=0.0 Lsize=      -0kB time=0.72 bitrate=  -0.2kbits/s
 video:0kB audio:0kB global headers:0kB muxing overhead -inf%
 ==14176==
 ==14176== HEAP SUMMARY:
 ==14176==     in use at exit: 1,715,756 bytes in 48 blocks
 ==14176==   total heap usage: 1,115 allocs, 1,067 frees, 46,171,733 bytes
 allocated
 ==14176==
 ==14176== LEAK SUMMARY:
 ==14176==    definitely lost: 123,904 bytes in 2 blocks
 ==14176==    indirectly lost: 1,505,834 bytes in 45 blocks
 ==14176==      possibly lost: 86,018 bytes in 1 blocks
 ==14176==    still reachable: 0 bytes in 0 blocks
 ==14176==         suppressed: 0 bytes in 0 blocks
 ==14176== Rerun with --leak-check=full to see details of leaked memory
 ==14176==
 ==14176== For counts of detected and suppressed errors, rerun with: -v
 ==14176== Use --track-origins=yes to see where uninitialised values come
 from
 ==14176== ERROR SUMMARY: 3 errors from 2 contexts (suppressed: 3 from 3)
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/124>
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