[FFmpeg-trac] #7385(undetermined:new): Memory leak using decode vp8
FFmpeg
trac at avcodec.org
Wed Aug 29 05:56:47 EEST 2018
#7385: Memory leak using decode vp8
-------------------------------------+-------------------------------------
Reporter: | Type: defect
zhuqingliang | Priority: normal
Status: new | Version:
Component: | unspecified
undetermined | Blocked By:
Keywords: memory leak | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
How to reproduce:
{{{
valgrind --tool=memcheck --leak-check=full --log-file=webm_log.txt ffmpeg
-hwaccel vaapi -vaapi_device /dev/dri/renderD128 -v verbose -y -i
/media//vp8/vp8_rev0_InterFrame_NewMV_Anim.webm -f md5 ffmpeg_vaapi.md5
}}}
full output
{{{
ffmpeg version N-91600-g5423fe2 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.10) 20160609
configuration: --enable-vaapi --prefix=/opt/X11R7/ffmpeg_mainline
--enable-nonfree --enable-shared --enable-libmfx --enable-gpl --enable-
libx264 --enable-libx265
libavutil 56. 19.100 / 56. 19.100
libavcodec 58. 22.101 / 58. 22.101
libavformat 58. 17.101 / 58. 17.101
libavdevice 58. 4.101 / 58. 4.101
libavfilter 7. 26.100 / 7. 26.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[AVHWDeviceContext @ 0xba139c0] Opened VA display via DRM device
/dev/dri/renderD128.
[AVHWDeviceContext @ 0xba139c0] libva: VA-API version 1.2.0
[AVHWDeviceContext @ 0xba139c0] libva: va_getDriverName() returns 0
[AVHWDeviceContext @ 0xba139c0] libva: User requested driver 'iHD'
[AVHWDeviceContext @ 0xba139c0] libva: Trying to open
/opt/X11R7/vpg_driver/lib/dri//iHD_drv_video.so
[AVHWDeviceContext @ 0xba139c0] libva: Found init function
__vaDriverInit_1_2
[AVHWDeviceContext @ 0xba139c0] libva: va_openDriver() returns 0
[AVHWDeviceContext @ 0xba139c0] Initialised VAAPI connection: version 1.2
[AVHWDeviceContext @ 0xba139c0] Unknown driver "Intel iHD driver - 2.0.0",
assuming standard behaviour.
Input #0, matroska,webm, from
'/media//vp8/vp8_rev0_InterFrame_NewMV_Anim.webm':
Metadata:
encoder : vpxenc v0.9.6
Duration: 00:00:00.07, start: 0.000000, bitrate: 106 kb/s
Stream #0:0(eng): Video: vp8, 1 reference frame, yuv420p(progressive),
32x32, SAR 1:1 DAR 1:1, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
Stream mapping:
Stream #0:0 -> #0:0 (vp8 (native) -> rawvideo (native))
Press [q] to stop, [?] for help
[graph 0 input from stream 0:0 @ 0xbca8140] w:32 h:32 pixfmt:nv12
tb:1/1000 fr:30/1 sar:1/1 sws_param:flags=2
Output #0, md5, to 'ffmpeg_vaapi.md':
Metadata:
encoder : Lavf58.17.101
Stream #0:0(eng): Video: rawvideo, 1 reference frame (NV12 /
0x3231564E), nv12, 32x32 [SAR 1:1 DAR 1:1], q=2-31, 368 kb/s, 30 fps, 30
tbn, 30 tbc (default)
Metadata:
encoder : Lavc58.22.101 rawvideo
[vp8 @ 0xbac3780] Failed to end picture decode issue: 23 (internal
decoding error).
Error while decoding stream #0:0: Input/output error
No more output streams to write to, finishing.
frame= 1 fps=0.0 q=-0.0 Lsize= 0kB time=00:00:00.03 bitrate=
8.9kbits/s speed=0.068x
video:2kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
Input file #0 (/media//vp8/vp8_rev0_InterFrame_NewMV_Anim.webm):
Input stream #0:0 (video): 2 packets read (522 bytes); 1 frames decoded;
Total: 2 packets (522 bytes) demuxed
Output file #0 (ffmpeg_vaapi.md):
Output stream #0:0 (video): 1 frames encoded; 1 packets muxed (1536
bytes);
Total: 1 packets (1536 bytes) muxed
[AVIOContext @ 0xbabf840] Statistics: 0 seeks, 1 writeouts
[AVIOContext @ 0xba69840] Statistics: 882 bytes read, 0 seeks
}}}
webm_log.txt
{{{
==3114== 512 bytes in 1 blocks are definitely lost in loss record 7 of 11
==3114== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-
amd64-linux.so)
==3114== by 0x4C2FDEF: realloc (in /usr/lib/valgrind
/vgpreload_memcheck-amd64-linux.so)
==3114== by 0x6021056: ??? (in
/opt/X11R7/ffmpeg_mainline/lib/libavcodec.so.58.22.101)
==3114== by 0x6030934: ??? (in
/opt/X11R7/ffmpeg_mainline/lib/libavcodec.so.58.22.101)
==3114== by 0x60B8540: ??? (in
/opt/X11R7/ffmpeg_mainline/lib/libavcodec.so.58.22.101)
==3114== by 0x5F1E9C2: ??? (in
/opt/X11R7/ffmpeg_mainline/lib/libavcodec.so.58.22.101)
==3114== by 0x7CBE6B9: start_thread (pthread_create.c:333)
==3114== by 0x7FDB41C: clone (clone.S:109)
==3114==
==3114== LEAK SUMMARY:
==3114== definitely lost: 512 bytes in 1 blocks
==3114== indirectly lost: 0 bytes in 0 blocks
==3114== possibly lost: 0 bytes in 0 blocks
==3114== still reachable: 77,847 bytes in 15 blocks
==3114== suppressed: 0 bytes in 0 blocks
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7385>
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