sheervideo: 8bv 4:4:4:4 progressive decodes incorrectly

[ami_stuff]

interlaced file decodes ok

this is probably similar issue to #5659

C:\>ffmpeg -i C:\YCbCrA_8bv_4_4_4_4_prog.mov -vcodec tiff out.mov
ffmpeg version 3.2.git Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 4.6.2 (GCC)
  configuration: --disable-pthreads --disable-ffprobe --enable-gpl
  libavutil      55. 47.100 / 55. 47.100
  libavcodec     57. 81.100 / 57. 81.100
  libavformat    57. 66.102 / 57. 66.102
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 74.100 /  6. 74.100
  libswscale      4.  3.101 /  4.  3.101
  libswresample   2.  4.100 /  2.  4.100
  libpostproc    54.  2.100 / 54.  2.100
[sheervideo @ 0237d6c0] Warning: not compiled with thread support, using thread
emulation
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\YCbCrA_8bv_4_4_4_4_prog.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    creation_time   : 2017-03-01T17:21:25.000000Z
  Duration: 00:00:03.20, start: 0.000000, bitrate: 70078 kb/s
    Stream #0:0(eng): Video: sheervideo (Shr2 / 0x32726853), yuva444p(smpte170m/
smpte170m/bt709), 500x500, 70074 kb/s, 25 fps, 25 tbr, 600 tbn, 600 tbc (default
)
    Metadata:
      creation_time   : 2017-03-01T17:21:26.000000Z
      handler_name    : Procedura obs│ugi skrˇtˇw danych Apple
      encoder         : Sheer Y'CbCrA 8bu 4:4:4:4p
[sheervideo @ 02766b80] Warning: not compiled with thread support, using thread
emulation
[tiff @ 02374900] Warning: not compiled with thread support, using thread emulat
ion
Output #0, mov, to 'out.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    encoder         : Lavf57.66.102
    Stream #0:0(eng): Video: tiff (tiff / 0x66666974), rgba, 500x500, q=2-31, 20
0 kb/s, 25 fps, 12800 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2017-03-01T17:21:26.000000Z
      handler_name    : Procedura obs│ugi skrˇtˇw danych Apple
      encoder         : Lavc57.81.100 tiff
Stream mapping:
  Stream #0:0 -> #0:0 (sheervideo (native) -> tiff (native))
Press [q] to stop, [?] for help
frame=   28 fps=0.0 q=-0.0 size=   27573kB time=00:00:01.08 bitrate=209133.5kbit
frame=   60 fps=0.0 q=-0.0 size=   59097kB time=00:00:02.36 bitrate=205130.3kbit
frame=   80 fps= 60 q=-0.0 Lsize=   78797kB time=00:00:03.16 bitrate=204269.3kbi
ts/s speed=2.35x
video:78796kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing
 overhead: 0.001688%

[Carl Eugen Hoyos]

Guessed patch attached.

[Elon Musk]

Why not post this to mailing list instead?

[Carl Eugen Hoyos]

Replying to richardpl:

Why not post this to mailing list instead?

I will if you have no quick comment.

[Carl Eugen Hoyos]

Should be fixed in 46082c2b3f2158ca3a69b7cd2b105cc763e9c3e7.