[FFmpeg-trac] #5736(undetermined:new): Crash when encoding from ffv1/bgr0 to ffv1/bgr0

[FFmpeg]

#5736: Crash when encoding from ffv1/bgr0 to ffv1/bgr0
-------------------------------------+-------------------------------------
             Reporter:  RaljOneed    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 Program fails when input and output videos use ffv1 codec and bgr0 pixel
 format and no resizing is performed.

 How to reproduce:
 {{{
 ffmpeg started on 2016-07-26 at 02:54:39
 Report written to "ffmpeg-20160726-025439.log"
 Command line:
 ./ffmpeg-N-81047-g64caafa -report -i zzz.mkv -c:v ffv1 -g 1 -slices 4
 qqqq.mkv
 ffmpeg version N-81047-g64caafa Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.1) 20160609
   configuration: --prefix=/home/xxxxxx/Programy/ffmpeg/ffmpeg_build --pkg-
 config-flags=--static --extra-
 cflags=-I/home/xxxxxx/Programy/ffmpeg/ffmpeg_build/include --extra-
 ldflags=-L/home/xxxxxx/Programy/ffmpeg/ffmpeg_build/lib
 --bindir=/home/xxxxxx/Programy/ffmpeg/bin --enable-gpl --enable-libass
 --enable-libfreetype --enable-libopus --enable-libtheora --enable-
 libvorbis --enable-x11grab --enable-libsoxr --disable-ffserver --disable-
 ffplay --disable-ffprobe
   libavutil      55. 28.100 / 55. 28.100
   libavcodec     57. 50.100 / 57. 50.100
   libavformat    57. 43.100 / 57. 43.100
   libavdevice    57.  0.102 / 57.  0.102
   libavfilter     6. 47.100 /  6. 47.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 Splitting the commandline.
 Reading option '-report' ... matched as option 'report' (generate a
 report) with argument '1'.
 Reading option '-i' ... matched as input file with argument 'zzz.mkv'.
 Reading option '-c:v' ... matched as option 'c' (codec name) with argument
 'ffv1'.
 Reading option '-g' ... matched as AVOption 'g' with argument '1'.
 Reading option '-slices' ... matched as AVOption 'slices' with argument
 '4'.
 Reading option 'qqqq.mkv' ... matched as output file.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option report (generate a report) with argument 1.
 Successfully parsed a group of options.
 Parsing a group of options: input file zzz.mkv.
 Successfully parsed a group of options.
 Opening an input file: zzz.mkv.
 [file @ 0x2029da0] Setting default whitelist 'file,crypto'
 [matroska,webm @ 0x2029460] Format matroska,webm probed with size=2048 and
 score=100
 st:0 removing common factor 1000000 from timebase
 [matroska,webm @ 0x2029460] Before avformat_find_stream_info() pos: 789
 bytes read:32768 seeks:0 nb_streams:1
 [matroska,webm @ 0x2029460] parser not found for codec ffv1, packets or
 times may be invalid.
 [matroska,webm @ 0x2029460] parser not found for codec ffv1, packets or
 times may be invalid.
 [matroska,webm @ 0x2029460] All info found
 [matroska,webm @ 0x2029460] After avformat_find_stream_info() pos: 52270
 bytes read:65536 seeks:0 frames:1
 Input #0, matroska,webm, from 'zzz.mkv':
   Metadata:
     ENCODER         : Lavf57.41.100
   Duration: 00:00:19.02, start: 0.000000, bitrate: 15075 kb/s
     Stream #0:0, 1, 1/1000: Video: ffv1 (FFV1 / 0x31564646), bgr0,
 320x180, SAR 1:1 DAR 16:9, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc (default)
     Metadata:
       ENCODER         : Lavc57.48.101 ffv1
       DURATION        : 00:00:19.019000000
 Successfully opened the file.
 Parsing a group of options: output file qqqq.mkv.
 Applying option c:v (codec name) with argument ffv1.
 Successfully parsed a group of options.
 Opening an output file: qqqq.mkv.
 [file @ 0x202f3a0] Setting default whitelist 'file,crypto'
 Successfully opened the file.
 detected 4 logical cores
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'video_size' to value
 '320x180'
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'pix_fmt' to value
 '298'
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'time_base' to value
 '1/1000'
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'pixel_aspect' to
 value '1/1'
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'sws_param' to value
 'flags=2'
 [graph 0 input from stream 0:0 @ 0x2030400] Setting 'frame_rate' to value
 '30000/1001'
 [graph 0 input from stream 0:0 @ 0x2030400] w:320 h:180 pixfmt:bgr0
 tb:1/1000 fr:30000/1001 sar:1/1 sws_param:flags=2
 [format @ 0x2030bc0] compat: called with
 args=[yuv420p|yuva420p|yuva422p|yuv444p|yuva444p|yuv440p|yuv422p|yuv411p|yuv410p|bgr0|bgra|yuv420p16le|yuv422p16le|yuv444p16le|yuv444p9le|yuv422p9le|yuv420p9le|yuv420p10le|yuv422p10le|yuv444p10le|yuva444p16le|yuva422p16le|yuva420p16le|yuva444p10le|yuva422p10le|yuva420p10le|yuva444p9le|yuva422p9le|yuva420p9le|gray16le|gray|gbrp9le|gbrp10le|gbrp12le|gbrp14le|ya8]
 [format @ 0x2030bc0] Setting 'pix_fmts' to value
 'yuv420p|yuva420p|yuva422p|yuv444p|yuva444p|yuv440p|yuv422p|yuv411p|yuv410p|bgr0|bgra|yuv420p16le|yuv422p16le|yuv444p16le|yuv444p9le|yuv422p9le|yuv420p9le|yuv420p10le|yuv422p10le|yuv444p10le|yuva444p16le|yuva422p16le|yuva420p16le|yuva444p10le|yuva422p10le|yuva420p10le|yuva444p9le|yuva422p9le|yuva420p9le|gray16le|gray|gbrp9le|gbrp10le|gbrp12le|gbrp14le|ya8'
 [AVFilterGraph @ 0x202f520] query_formats: 4 queried, 3 merged, 0 already
 done, 0 delayed
 Assertion s->bits_per_raw_sample >= 8 failed at libavcodec/ffv1enc.c:820
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5736>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker