Opened 5 years ago

Closed 5 years ago

Last modified 5 years ago

#297 closed defect (fixed)

jpg file (RGB color mode) decodes with wrong colors

Reported by: ami_stuff Owned by:
Priority: normal Component: avcodec
Version: git-master Keywords: rgb mjpeg gbr24p
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

Attached jpg file (RGB color mode) decodes with wrong colors.

FireFox/IrfanView? decodes it correctly.

C:\>ffmpeg -i 1_RGB.jpg
ffmpeg version git-N-30698-g39dbe9b, Copyright (c) 2000-2011 the FFmpeg develope
rs
  built on Jun 10 2011 22:10:00 with gcc 4.5.3
  configuration: --enable-gpl --enable-version3 --enable-memalign-hack --enable-
runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libo
pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --
enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger
 --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enabl
e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --disable-outdev=sdl -
-pkg-config=pkg-config
  libavutil    51.  8. 0 / 51.  8. 0
  libavcodec   53.  7. 0 / 53.  7. 0
  libavformat  53.  3. 0 / 53.  3. 0
  libavdevice  53.  1. 1 / 53.  1. 1
  libavfilter   2. 15. 0 /  2. 15. 0
  libswscale    0. 14. 1 /  0. 14. 1
  libpostproc  51.  2. 0 / 51.  2. 0
Input #0, image2, from '1_RGB.jpg':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0.0: Video: mjpeg, yuvj444p, 1024x768, 25 tbr, 25 tbn, 25 tbc
At least one output file must be specified

Attachments (2)

1_RGB.jpg (462.6 KB) - added by ami_stuff 5 years ago.
patchplanarjpeg.diff (967 bytes) - added by cehoyos 5 years ago.

Download all attachments as: .zip

Change History (9)

Changed 5 years ago by ami_stuff

comment:1 Changed 5 years ago by cehoyos

  • Component changed from undetermined to avcodec
  • Reproduced by developer set
  • Status changed from new to open
  • Version changed from unspecified to git-master

Safari on iPhone also fails (differently).

Changed 5 years ago by cehoyos

comment:2 Changed 5 years ago by cehoyos

Attached patch fixes output with ffmpeg, but apart from missing detection, it does not work with ffplay.

comment:3 Changed 5 years ago by michael

  • Keywords rgb jpeg added
  • Resolution set to fixed
  • Status changed from open to closed

comment:4 Changed 5 years ago by ami_stuff

I get internal error from swscaler while trying to convert attached file to bmp:

C:\>ffmpeg.exe -i C:\1_RGB.jpg out.bmp
ffmpeg version N-34354-g0b3e9d5, Copyright (c) 2000-2011 the FFmpeg developers
  built on Nov  3 2011 02:35:34 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. 23. 0 / 51. 23. 0
  libavcodec   53. 27. 0 / 53. 27. 0
  libavformat  53. 18. 0 / 53. 18. 0
  libavdevice  53.  4. 0 / 53.  4. 0
  libavfilter   2. 45. 3 /  2. 45. 3
  libswscale    2.  1. 0 /  2.  1. 0
  libpostproc  51.  2. 0 / 51.  2. 0
Input #0, image2, from 'C:\1_RGB.jpg':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: mjpeg, gbr24p, 1024x768, 25 tbr, 25 tbn, 25 tbc
Incompatible pixel format 'gbr24p' for codec 'bmp', auto-selecting format 'bgr24
'
[buffer @ 0x1ce1be0] w:1024 h:768 pixfmt:gbr24p tb:1/1000000 sar:0/1 sws_param:
[buffersink @ 0x1ce1e60] auto-inserting filter 'auto-inserted scale 0' between t
he filter 'src' and the filter 'out'
[scale @ 0x1ce1600] w:1024 h:768 fmt:gbr24p -> w:1024 h:768 fmt:bgr24 flags:0x4
Output #0, image2, to 'out.bmp':
  Metadata:
    encoder         : Lavf53.18.0
    Stream #0:0: Video: bmp, bgr24, 1024x768, q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream mapping:
  Stream #0.0 -> #0.0 (mjpeg -> bmp)
Press [q] to stop, [?] for help
[swscaler @ 0x22b8ec0] internal error gbr24p -> bgr24 converter
frame=    1 fps=  0 q=0.0 Lsize=      -0kB time=00:00:00.04 bitrate=  -4.4kbits/
s
video:2304kB audio:0kB global headers:0kB muxing overhead -100.000932%

comment:5 Changed 5 years ago by cehoyos

Only conversion to yuv (and friends) currently works, consider adding the missing information (command line and output) to ticket #595.

comment:6 Changed 5 years ago by cehoyos

  • Keywords gbr24p added

comment:7 Changed 5 years ago by cehoyos

  • Keywords mjpeg added; jpeg removed
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