pgmyuv enc: broken output with odd width/height

[ami_stuff]

​http://ffmpeg.org/trac/ffmpeg/attachment/ticket/1059/599.png

I'm not sure if odd width and height is allowed for pgmyuv, if not then a check should be added.

C:\>ffmpeg -i 599.png out.pgmyuv
ffmpeg version N-38622-g1eabd71 Copyright (c) 2000-2012 the FFmpeg developers
  built on Mar  7 2012 00:18:03 with gcc 4.6.2
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
  libavutil      51. 42.100 / 51. 42.100
  libavcodec     54. 10.100 / 54. 10.100
  libavformat    54.  2.100 / 54.  2.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 63.100 /  2. 63.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  7.100 /  0.  7.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, image2, from '599.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgb24, 599x412, 25 tbr, 25 tbn, 25 tbc
Incompatible pixel format 'rgb24' for codec 'pgmyuv', auto-selecting format 'yuv
420p'
[buffer @ 02161B60] w:599 h:412 pixfmt:rgb24 tb:1/1000000 sar:0/1 sws_param:
[vflip @ 02161240] auto-inserting filter 'auto-inserted scale 0' between the fil
ter 'src' and the filter 'Parsed_vflip_0'
[scale @ 02162A20] w:599 h:412 fmt:rgb24 -> w:599 h:412 fmt:yuv420p flags:0x4
Output #0, image2, to 'out.pgmyuv':
  Metadata:
    encoder         : Lavf54.2.100
    Stream #0:0: Video: pgmyuv, yuv420p, 599x412, q=2-31, 200 kb/s, 90k tbn, 25
tbc
Stream mapping:
  Stream #0:0 -> #0:0 (png -> pgmyuv)
Press [q] to stop, [?] for help
frame=    1 fps=  0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=   0.0kbits/
s
video:363kB audio:0kB global headers:0kB muxing overhead -100.000000%

C:\>ffmpeg -i out.pgmyuv out.bmp
ffmpeg version N-38622-g1eabd71 Copyright (c) 2000-2012 the FFmpeg developers
  built on Mar  7 2012 00:18:03 with gcc 4.6.2
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
  libavutil      51. 42.100 / 51. 42.100
  libavcodec     54. 10.100 / 54. 10.100
  libavformat    54.  2.100 / 54.  2.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 63.100 /  2. 63.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  7.100 /  0.  7.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, image2, from 'out.pgmyuv':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: pgmyuv, yuv420p, 599x618, 25 tbr, 25 tbn, 25 tbc
Incompatible pixel format 'yuv420p' for codec 'bmp', auto-selecting format 'bgr2
4'
[buffer @ 02161E40] w:599 h:618 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
[buffersink @ 02161380] auto-inserting filter 'auto-inserted scale 0' between th
e filter 'src' and the filter 'out'
[scale @ 021617C0] w:599 h:618 fmt:yuv420p -> w:599 h:618 fmt:bgr24 flags:0x4
Output #0, image2, to 'out.bmp':
  Metadata:
    encoder         : Lavf54.2.100
    Stream #0:0: Video: bmp, bgr24, 599x618, q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (pgmyuv -> bmp)
Press [q] to stop, [?] for help
Error while decoding stream #0:0
frame=    0 fps=  0 q=0.0 Lsize=       0kB time=00:00:00.00 bitrate=   0.0kbits/
s
video:0kB audio:0kB global headers:0kB muxing overhead -1.#IND00%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters i
f used)

[Elon Musk]

fixed locally