[FFmpeg-trac] #7998(undetermined:new): Segfault when decoding AV1
FFmpeg
trac at avcodec.org
Thu Jul 4 20:40:23 EEST 2019
#7998: Segfault when decoding AV1
-------------------------------------+-------------------------------------
Reporter: Ilya87 | Type: defect
Status: new | Priority: important
Component: | Version: git-
undetermined | master
Keywords: SEGFAULT | Blocked By:
AV1 |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
How to reproduce:
{{{
1 - Encode 1191 frames piece of video with
{{{
aomenc --target-bitrate=500 -w 720 -h 306 --cpu-used=3 --kf-max-dist=240
--end-usage=vbr --aq-mode=2 -t 6 --tile-columns=6 -o
sintel720_aom_500.webm sintel720.y4m
}}}
My OS is Arch Linux x86_64
2 - ffmpeg -v 9 -loglevel 99 -i sintel720_aom_500.webm -c:v libx264
-preset slow -b:v 2000k test.mkv
result:
{{{
ffmpeg -v 9 -loglevel 99 -i /D/sintel/sintel720_aom_500.webm -c:v libx264
-preset slow -b:v 2000k test.mkv
ffmpeg version N-94150-g231d0c819f Copyright (c) 2000-2019 the FFmpeg
developers
built with gcc 9.1.0 (GCC)
configuration: --prefix=/usr --disable-debug --disable-static --enable-
stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl
--enable-ladspa --enable-libaom --enable-libass --enable-libbluray
--enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm
--enable-libiec61883 --enable-libjack --enable-libmodplug --enable-
libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-
libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-
libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-
libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid
--enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable-
libvmaf --extra-cflags='-march=native -mtune=native -g -O3' --extra-
cxxflags='-march=native -mtune=native -g -O3' --enable-version3
libavutil 56. 30.100 / 56. 30.100
libavcodec 58. 53.101 / 58. 53.101
libavformat 58. 28.101 / 58. 28.101
libavdevice 58. 7.100 / 58. 7.100
libavfilter 7. 55.100 / 7. 55.100
libswscale 5. 4.101 / 5. 4.101
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument '9'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument '99'.
Reading option '-i' ... matched as input url with argument
'/D/sintel/sintel720_aom_500.webm'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument
'libx264'.
Reading option '-preset' ... matched as AVOption 'preset' with argument
'slow'.
Reading option '-b:v' ... matched as option 'b' (video bitrate (please use
-b:v)) with argument '2000k'.
Reading option 'test.mkv' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument 9.
Successfully parsed a group of options.
Parsing a group of options: input url /D/sintel/sintel720_aom_500.webm.
Successfully parsed a group of options.
Opening an input file: /D/sintel/sintel720_aom_500.webm.
[NULL @ 0x559af05b5300] Opening '/D/sintel/sintel720_aom_500.webm' for
reading
[file @ 0x559af05b5d80] Setting default whitelist 'file,crypto'
Probing matroska,webm score:100 size:2048
[matroska,webm @ 0x559af05b5300] Format matroska,webm probed with
size=2048 and score=100
st:0 removing common factor 1000000 from timebase
[matroska,webm @ 0x559af05b5300] Before avformat_find_stream_info() pos:
254 bytes read:32768 seeks:0 nb_streams:1
[libaom-av1 @ 0x559af05b7b40] 1.0.0
[libaom-av1 @ 0x559af05b7b40] -G "Ninja" -DAOM_TARGET_CPU=x86_64
[libaom-av1 @ 0x559af05b7b40] Frame 0: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[AVBSFContext @ 0x559af05bdec0] obu_type: 2, temporal_id: 0, spatial_id:
0, payload size: 0
[AVBSFContext @ 0x559af05bdec0] obu_type: 1, temporal_id: 0, spatial_id:
0, payload size: 11
[AVBSFContext @ 0x559af05bdec0] obu_type: 6, temporal_id: 0, spatial_id:
0, payload size: 7534
[libaom-av1 @ 0x559af05b7b40] Frame 12: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 4: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 2: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 1: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 3: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 8: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 6: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 5: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 7: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 10: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 9: size 720x306 upscaled 720 render
720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 11: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 12: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 20: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 16: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 14: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 13: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 15: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 18: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 17: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 19: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 20: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 28: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 24: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 22: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 21: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 23: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 26: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 25: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 27: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 28: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 36: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 32: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 30: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 29: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 31: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 34: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 33: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 35: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 36: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 44: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 40: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 38: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 37: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[libaom-av1 @ 0x559af05b7b40] Frame 39: size 720x306 upscaled 720
render 720x306 subsample 2x2 bitdepth 8 tiles 1x12.
[matroska,webm @ 0x559af05b5300] All info found
[matroska,webm @ 0x559af05b5300] rfps: 23.750000 0.014474
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 23.833333 0.006451
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 23.916667 0.001640
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 24.000000 0.000043
[matroska,webm @ 0x559af05b5300] rfps: 24.083333 0.001659
[matroska,webm @ 0x559af05b5300] rfps: 24.166667 0.006488
[matroska,webm @ 0x559af05b5300] rfps: 24.250000 0.014530
[matroska,webm @ 0x559af05b5300] rfps: 48.000000 0.000173
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 120.000000 0.001079
[matroska,webm @ 0x559af05b5300] rfps: 240.000000 0.004316
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 23.976024 0.000173
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] rfps: 47.952048 0.000694
Last message repeated 1 times
[matroska,webm @ 0x559af05b5300] Setting avg frame rate based on r frame
rate
[matroska,webm @ 0x559af05b5300] stream 0: start_time: 0.000 duration:
-9223372036854776.000
[matroska,webm @ 0x559af05b5300] format: start_time: 0.000 duration:
49.583 bitrate=571 kb/s
[matroska,webm @ 0x559af05b5300] After avformat_find_stream_info() pos:
176554 bytes read:196608 seeks:0 frames:41
Input #0, matroska,webm, from '/D/sintel/sintel720_aom_500.webm':
Metadata:
encoder : libwebm-0.2.1.0
Duration: 00:00:49.58, start: 0.000000, bitrate: 571 kb/s
Stream #0:0(eng), 41, 1/1000: Video: av1 (Main), 1 reference frame,
yuv420p(tv), 720x306, 0/1, SAR 1:1 DAR 40:17, 24 fps, 24 tbr, 1k tbn, 1k
tbc (default)
Successfully opened the file.
Parsing a group of options: output url test.mkv.
Applying option c:v (codec name) with argument libx264.
Applying option b:v (video bitrate (please use -b:v)) with argument 2000k.
Successfully parsed a group of options.
Opening an output file: test.mkv.
[file @ 0x559af05c7780] Setting default whitelist 'file,crypto'
Successfully opened the file.
detected 6 logical cores
[libaom-av1 @ 0x559af0648d80] 1.0.0
[libaom-av1 @ 0x559af0648d80] -G "Ninja" -DAOM_TARGET_CPU=x86_64
Stream mapping:
Stream #0:0 -> #0:0 (av1 (libaom-av1) -> h264 (libx264))
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless
if it occurs once at the start per stream)
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'video_size' to
value '720x306'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'pix_fmt' to
value '0'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'time_base' to
value '1/1000'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'pixel_aspect' to
value '1/1'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'sws_param' to
value 'flags=2'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'frame_rate' to
value '24/1'
[graph 0 input from stream 0:0 @ 0x559af21dcf00] w:720 h:306
pixfmt:yuv420p tb:1/1000 fr:24/1 sar:1/1 sws_param:flags=2
[format @ 0x559af21dd400] Setting 'pix_fmts' to value
'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21|yuv420p10le|yuv422p10le|yuv444p10le|nv20le|gray|gray10le'
[AVFilterGraph @ 0x559af05c6680] query_formats: 4 queried, 3 merged, 0
already done, 0 delayed
[libx264 @ 0x559af0626240] using mv_range_thread = 24
[libx264 @ 0x559af0626240] using SAR=1/1
[libx264 @ 0x559af0626240] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x559af0626240] profile High, level 3.0, 4:2:0, 8-bit
[libx264 @ 0x559af0626240] 264 - core 157 r2945 72db437 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options:
cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=8 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=9
lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24
scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=2000
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[matroska @ 0x559af0645700] get_metadata_duration returned: 0
Output #0, matroska, to 'test.mkv':
Metadata:
encoder : Lavf58.28.101
Stream #0:0(eng), 0, 1/1000: Video: h264 (libx264), 1 reference frame
(H264 / 0x34363248), yuv420p, 720x306 [SAR 1:1 DAR 40:17], 0/1, q=-1--1,
2000 kb/s, 24 fps, 1k tbn, 24 tbc (default)
Metadata:
encoder : Lavc58.53.101 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 0 vbv_delay: -1
Clipping frame in rate conversion by 0.000008
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless
if it occurs once at the start per stream)
Ошибка сегментирования (стек памяти сброшен на диск)
}}}
Segfault also appears when I try to simply play webm with ffmpeg.
ffmpeg version N-94150-g231d0c819f
built on Arch Linux x86_64
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7998>
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