Opened 6 years ago

Closed 5 years ago

#1103 closed defect (fixed)

pgmyuv: problem with odd height (wrong resolution reported by decoder)

Reported by: ami_stuff Owned by:
Priority: normal Component: avcodec
Version: git-master Keywords: pgmyuv
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: yes

Description

Is that a bug in pgmyuv decoder or maybe pgmyuv encoder should just reject input with odd height as it does with odd width?

C:\>ffmpeg -i 599.png -s 600x411 out.pgmyuv
ffmpeg version N-38892-g6cabb67 Copyright (c) 2000-2012 the FFmpeg developers
  built on Mar 19 2012 02:36:23 with gcc 4.5.0 20100414 (Fedora MinGW 4.5.0-1.fc
14)
  configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build --arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-libs='-lws2_32 -
lwinmm' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snapshots/buil
d/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/snapshots/b
uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3 --enable-n
onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-libvorbis
--enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-libopencor
e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
  libavutil      51. 42.100 / 51. 42.100
  libavcodec     54. 11.100 / 54. 11.100
  libavformat    54.  2.100 / 54.  2.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 65.101 /  2. 65.101
  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 @ 0x1d91560] w:599 h:412 pixfmt:rgb24 tb:1/1000000 sar:0/1 sws_param:
[scale @ 0x1d91a20] w:599 h:412 fmt:rgb24 sar:0/1 -> w:600 h:411 fmt:yuv420p sar
:0/1 flags:0x4
Output #0, image2, to 'out.pgmyuv':
  Metadata:
    encoder         : Lavf54.2.100
    Stream #0:0: Video: pgmyuv, yuv420p, 600x411, 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=0.0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=   0.0kbits/
s
video:361kB audio:0kB global headers:0kB muxing overhead -100.000000%
C:\>ffmpeg -i out.pgmyuv out.bmp
ffmpeg version N-38892-g6cabb67 Copyright (c) 2000-2012 the FFmpeg developers
  built on Mar 19 2012 02:36:23 with gcc 4.5.0 20100414 (Fedora MinGW 4.5.0-1.fc
14)
  configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build --arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-libs='-lws2_32 -
lwinmm' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snapshots/buil
d/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/snapshots/b
uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3 --enable-n
onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-libvorbis
--enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-libopencor
e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
  libavutil      51. 42.100 / 51. 42.100
  libavcodec     54. 11.100 / 54. 11.100
  libavformat    54.  2.100 / 54.  2.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 65.101 /  2. 65.101
  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, 600x616, 25 tbr, 25 tbn, 25 tbc
Incompatible pixel format 'yuv420p' for codec 'bmp', auto-selecting format 'bgr2
4'
[buffer @ 0x1d91b40] w:600 h:616 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
[buffersink @ 0x1d91dc0] auto-inserting filter 'auto-inserted scale 0' between t
he filter 'src' and the filter 'out'
[scale @ 0x1d91320] w:600 h:616 fmt:yuv420p sar:0/1 -> w:600 h:616 fmt:bgr24 sar
:0/1 flags:0x4
Output #0, image2, to 'out.bmp':
  Metadata:
    encoder         : Lavf54.2.100
    Stream #0:0: Video: bmp, bgr24, 600x616, 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=0.0 q=0.0 Lsize=       0kB time=00:00:00.00 bitrate=   0.0kbits/
s
video:0kB audio:0kB global headers:0kB muxing overhead nan%
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters i
f used)

Change History (2)

comment:1 Changed 6 years ago by cehoyos

  • Keywords pgmyuv added
  • Reproduced by developer set
  • Status changed from new to open
  • Version changed from unspecified to git-master

comment:2 Changed 5 years ago by richardpl

  • Analyzed by developer set
  • Component changed from undetermined to avcodec
  • Resolution set to fixed
  • Status changed from open to closed

fixed, it is encoder bug.

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