[FFmpeg-trac] #10094(undetermined:closed): FFMpeg Crash when converting a video

FFmpeg trac at avcodec.org
Tue Dec 6 17:02:56 EET 2022


#10094: FFMpeg  Crash when converting a video
-------------------------------------+-------------------------------------
             Reporter:  Ben          |                    Owner:  (none)
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
                                     |  worksforme
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Carl Eugen Hoyos):

 * status:  new => closed
 * resolution:   => worksforme

Comment:

 Please reopen if you can provide backtrace or valgrind information and it
 points to an issue that can be fixed within FFmpeg.
 {{{
 ffmpeg -i A.mp4 -s 768x576 -filter_complex
 "[0:v]scale=768:576:force_original_aspect_ratio=decrease,pad=768:576:(ow-
 iw)*0.5:(oh-ih)*0.5[out]" -map "[out]" -c:a aac -ar 48k -b:a 192k -map a:0
 -c:v libx264 -profile:v high -level 5.1 -b:v 1000k -pix_fmt yuv420p
 -x264opts nal-hrd=cbr:force-cfr=1 -minrate 1000k -maxrate 1000k -bufsize
 2000k -sws_flags bicubic out.mp4
 ffmpeg version N-109367-g45216e33e2 Copyright (c) 2000-2022 the FFmpeg
 developers
   built with clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   configuration: --enable-gpl --enable-libx264 --enable-libopenmpt
 --cc=clang
   libavutil      57. 43.100 / 57. 43.100
   libavcodec     59. 54.100 / 59. 54.100
   libavformat    59. 34.102 / 59. 34.102
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 51.100 /  8. 51.100
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
   libpostproc    56.  7.100 / 56.  7.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'A.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.83.100
   Duration: 00:41:48.85, start: 0.000000, bitrate: 268 kb/s
   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(progressive), 854x480 [SAR 1280:1281 DAR 16:9], 165 kb/s, 23.98
 fps, 23.98 tbr, 24k tbn (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 96 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 (h264) -> scale:default (graph 0)
   pad:default (graph 0) -> Stream #0:0 (libx264)
   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 [libx264 @ 0x3d19700] using SAR=1/1
 [libx264 @ 0x3d19700] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX FMA3 BMI2 AVX2
 [libx264 @ 0x3d19700] profile High, level 5.1
 [libx264 @ 0x3d19700] 264 - core 152 r2854 e9a5903 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options:
 cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12
 lookahead_threads=2 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=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=cbr mbtree=1 bitrate=1000
 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=1000
 vbv_bufsize=2000 nal_hrd=cbr filler=1 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to 'out.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf59.34.102
   Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, progressive),
 768x576 [SAR 1:1 DAR 4:3], q=2-31, 1000 kb/s, 23.98 fps, 24k tbn
     Metadata:
       encoder         : Lavc59.54.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 1000000/0/1000000 buffer size: 2000000
 vbv_delay: N/A
   Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo,
 fltp, 192 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
       vendor_id       : [0][0][0][0]
       encoder         : Lavc59.54.100 aac
 frame=60152 fps=170 q=-1.0 Lsize=  366839kB time=00:41:48.84
 bitrate=1197.8kbits/s speed=7.07x
 video:306231kB audio:58859kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 0.479208%
 [libx264 @ 0x3d19700] frame I:721   Avg QP: 5.99  size: 49777
 [libx264 @ 0x3d19700] frame P:19685 Avg QP: 9.31  size:  8053
 [libx264 @ 0x3d19700] frame B:39746 Avg QP: 9.67  size:  2998
 [libx264 @ 0x3d19700] consecutive B-frames:  7.3% 11.5%  7.1% 74.1%
 [libx264 @ 0x3d19700] mb I  I16..4: 45.8% 24.5% 29.7%
 [libx264 @ 0x3d19700] mb P  I16..4:  2.4%  4.3%  1.8%  P16..4: 12.9%  7.6%
 5.5%  0.0%  0.0%    skip:65.5%
 [libx264 @ 0x3d19700] mb B  I16..4:  0.2%  0.4%  0.1%  B16..8:  8.9%  2.3%
 0.6%  direct: 1.4%  skip:86.1%  L0:41.7% L1:49.0% BI: 9.3%
 [libx264 @ 0x3d19700] 8x8 transform intra:43.8% inter:53.8%
 [libx264 @ 0x3d19700] coded y,uvDC,uvAC intra: 48.0% 50.1% 37.4% inter:
 6.0% 4.3% 1.6%
 [libx264 @ 0x3d19700] i16 v,h,dc,p: 57% 31%  4%  7%
 [libx264 @ 0x3d19700] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 25% 16%  3%  4%
 5%  5%  5%  6%
 [libx264 @ 0x3d19700] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 36% 10%  3%  5%
 5%  5%  4%  4%
 [libx264 @ 0x3d19700] i8c dc,h,v,p: 61% 19% 16%  4%
 [libx264 @ 0x3d19700] Weighted P-Frames: Y:5.7% UV:3.4%
 [libx264 @ 0x3d19700] ref P L0: 75.0%  7.7% 13.1%  4.2%  0.1%
 [libx264 @ 0x3d19700] ref B L0: 86.9% 11.1%  2.0%
 [libx264 @ 0x3d19700] ref B L1: 97.2%  2.8%
 [libx264 @ 0x3d19700] kb/s:999.92
 [aac @ 0x3b6e700] Qavg: 1832.955
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10094#comment:7>
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