[FFmpeg-trac] #7623(avcodec:new): Wrong interpretation of (m)jpeg aspect ratio

FFmpeg trac at avcodec.org
Thu Dec 20 00:36:12 EET 2018


#7623: Wrong interpretation of (m)jpeg aspect ratio
--------------------------------------+-----------------------------------
             Reporter:  UlfZibis      |                    Owner:
                 Type:  defect        |                   Status:  new
             Priority:  normal        |                Component:  avcodec
              Version:  git-master    |               Resolution:
             Keywords:  mjpeg aspect  |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+-----------------------------------

Comment (by UlfZibis):

 {{{
 $ ffmpeg -i CYD_t-15.mp4 -ss 00:05 CYD.jpg
 ffmpeg version 3.4.4-0ubuntu0.18.04.1 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 7 (Ubuntu 7.3.0-16ubuntu3)
   configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1
 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu
 --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping
 --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa
 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca
 --enable-libcdio --enable-libflite --enable-libfontconfig --enable-
 libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-
 libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt
 --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg
 --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
 --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265
 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi
 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-
 libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint
 --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
   libavutil      55. 78.100 / 55. 78.100
   libavcodec     57.107.100 / 57.107.100
   libavformat    57. 83.100 / 57. 83.100
   libavdevice    57. 10.100 / 57. 10.100
   libavfilter     6.107.100 /  6.107.100
   libavresample   3.  7.  0 /  3.  7.  0
   libswscale      4.  8.100 /  4.  8.100
   libswresample   2.  9.100 /  2.  9.100
   libpostproc    54.  7.100 / 54.  7.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x555fc1a5b800] Could not find codec parameters
 for stream 0 (Video: h264 (avc1 / 0x31637661), none, 704x576, 831 kb/s):
 unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'CYD_t-15.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.83.100
   Duration: 00:00:15.00, start: 0.000000, bitrate: 655 kb/s
     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), none, 704x576, 831
 kb/s, SAR 12:11 DAR 4:3, 25 fps, 25 tbr, 12800 tbn, 25600 tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo,
 s16p, 114 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
 Press [q] to stop, [?] for help
 [swscaler @ 0x555fc1b758e0] deprecated pixel format used, make sure you
 did set range correctly
 Output #0, image2, to 'CYD.jpg':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.83.100
     Stream #0:0(und): Video: mjpeg, yuvj420p(pc), 704x576 [SAR 12:11 DAR
 4:3], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc57.107.100 mjpeg
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 [image2 @ 0x555fc1a5fea0] Could not get frame filename number 2 from
 pattern 'CYD.jpg' (either set updatefirst or use a pattern like %03d
 within the filename pattern)
 av_interleaved_write_frame(): Invalid argument
 frame=   13 fps=0.0 q=24.8 Lsize=N/A time=00:00:00.52 bitrate=N/A dup=12
 drop=0 speed=4.22x
 video:405kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Conversion failed!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7623#comment:3>
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