[FFmpeg-trac] #10078(undetermined:new): speedhq: ffmpeg fails to decode it's own created file - low resolution

[FFmpeg]

#10078: speedhq: ffmpeg fails to decode it's own created file - low resolution
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 another issue: width should be always a multiple of 16, otherwise the
 original NewTek's codec won't decode correctly the file created with
 ffmpeg

 {{{
 ./ffmpeg -i 32.bmp -vcodec speedhq -y out.avi
 ffmpeg version N-109227-g1a7efafd33 Copyright (c) 2000-2022 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
   configuration: --enable-libopenjpeg
   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. 50.101 /  8. 50.101
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
 Input #0, bmp_pipe, from '32.bmp':
   Duration: N/A, bitrate: N/A
   Stream #0:0: Video: bmp, bgr24, 32x32, 25 fps, 25 tbr, 25 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (bmp (native) -> speedhq (native))
 Press [q] to stop, [?] for help
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf59.34.102
   Stream #0:0: Video: speedhq (SHQ4 / 0x34514853), yuv444p(tv,
 progressive), 32x32, q=2-31, 200 kb/s, 25 fps, 25 tbn
     Metadata:
       encoder         : Lavc59.54.100 speedhq
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
 frame=    0 fps=0.0 q=1.6 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=N/Aframe=    1 fps=0.0 q=1.6 Lsize=       6kB time=00:00:00.00
 bitrate=N/A speed=   0x
 video:1kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 638.100586%
 }}}

 {{{
 ./ffmpeg -i out.avi -y out2.avi
 ffmpeg version N-109227-g1a7efafd33 Copyright (c) 2000-2022 the FFmpeg
 developers
   built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
   configuration: --enable-libopenjpeg
   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. 50.101 /  8. 50.101
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
 Input #0, avi, from 'out.avi':
   Metadata:
     software        : Lavf59.34.102
   Duration: 00:00:00.04, start: 0.000000, bitrate: 1321 kb/s
   Stream #0:0: Video: speedhq (SHQ4 / 0x34514853),
 yuv444p(bt470bg/unknown/unknown), 32x32, 25 fps, 25 tbr, 25 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (speedhq (native) -> mpeg4 (native))
 Press [q] to stop, [?] for help
 Error while decoding stream #0:0: Invalid data found when processing input
 [mpeg4 @ 0x55a658a3ff00] too many threads/slices (3), reducing to 2
 Output #0, avi, to 'out2.avi':
   Metadata:
     software        : Lavf59.34.102
     ISFT            : Lavf59.34.102
   Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 32x32, q=2-31,
 200 kb/s, 25 fps, 25 tbn
     Metadata:
       encoder         : Lavc59.54.100 mpeg4
     Side data:
       cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
 frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=
 -0.0kbframe=    0 fps=0.0 q=0.0 Lsize=       6kB time=-577014:32:22.77
 bitrate=N/A speed=N/A
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 Conversion failed!
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10078>
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