amv: broken output with -pix_fmt yuvj422p

[ami_stuff]

(testing more encoders)

C:\>ffmpeg -i 320.bmp -pix_fmt yuvj422p -vcodec amv out.avi
ffmpeg version N-65672-g65f05ef Copyright (c) 2000-2014 the FFmpeg developers
  built on Aug 15 2014 22:01:33 with gcc 4.8.3 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib
modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
libx265 --enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
  libavutil      54.  3.100 / 54.  3.100
  libavcodec     56.  0.101 / 56.  0.101
  libavformat    56.  1.100 / 56.  1.100
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  0.100 /  5.  0.100
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  0.100 /  1.  0.100
  libpostproc    53.  0.100 / 53.  0.100
Input #0, image2, from '320.bmp':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: bmp, bgr24, 320x240, 25 tbr, 25 tbn, 25 tbc
[swscaler @ 02ef7020] deprecated pixel format used, make sure you did set range
correctly
Output #0, avi, to 'out.avi':
  Metadata:
    ISFT            : Lavf56.1.100
    Stream #0:0: Video: amv (AMVF / 0x46564D41), yuvj422p, 320x240, q=2-31, 200
kb/s, 25 fps, 25 tbn, 25 tbc
    Metadata:
      encoder         : Lavc56.0.101 amv
Stream mapping:
  Stream #0:0 -> #0:0 (bmp (native) -> amv (native))
Press [q] to stop, [?] for help
frame=    1 fps=0.0 q=4.4 Lsize=      17kB time=00:00:00.04 bitrate=3432.0kbits/
s
video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing ov
erhead: 49.816658%

C:\>ffmpeg -i out.avi out2.avi
ffmpeg version N-65672-g65f05ef Copyright (c) 2000-2014 the FFmpeg developers
  built on Aug 15 2014 22:01:33 with gcc 4.8.3 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib
modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
 --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
libx265 --enable-libxavs --enable-libxvid --enable-decklink --enable-zlib
  libavutil      54.  3.100 / 54.  3.100
  libavcodec     56.  0.101 / 56.  0.101
  libavformat    56.  1.100 / 56.  1.100
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  0.100 /  5.  0.100
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  0.100 /  1.  0.100
  libpostproc    53.  0.100 / 53.  0.100
[amv @ 02f08be0] error count: 75
[amv @ 02f08be0] error y=7 x=1
Input #0, avi, from 'out.avi':
  Metadata:
    encoder         : Lavf56.1.100
  Duration: 00:00:00.04, start: 0.000000, bitrate: 3432 kb/s
    Stream #0:0: Video: amv (AMVF / 0x46564D41), yuvj420p(pc, bt470bg), 320x240,
 25 fps, 25 tbr, 25 tbn, 25 tbc
[swscaler @ 02ef7000] deprecated pixel format used, make sure you did set range
correctly
Output #0, avi, to 'out2.avi':
  Metadata:
    ISFT            : Lavf56.1.100
    Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x240, q=2-31, 200
 kb/s, 25 fps, 25 tbn, 25 tbc
    Metadata:
      encoder         : Lavc56.0.101 mpeg4
Stream mapping:
  Stream #0:0 -> #0:0 (amv (native) -> mpeg4 (native))
Press [q] to stop, [?] for help
[amv @ 02f18960] error count: 75
[amv @ 02f18960] error y=7 x=1
frame=    1 fps=0.0 q=2.7 Lsize=       9kB time=00:00:00.04 bitrate=1764.0kbits/
s
video:3kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing ove
rhead: 183.327972%

[Michael Niedermayer]

Fixed in b227be34db76541db0269a769dad90c20793353f