[FFmpeg-trac] #4683(undetermined:new): mjpeg: 12bpp fix artefacts
FFmpeg
trac at avcodec.org
Sun Jun 28 13:59:06 CEST 2015
#4683: mjpeg: 12bpp fix artefacts
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
artefacts on the logo
{{{
C:\>ffmpeg -i 12bpp.jpg out.bmp
ffmpeg version N-73189-g7728d23 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.9.2 (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-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
--enable-l
ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
--enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
librtmp --en
able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
--ena
ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-
amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enabl
e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma
--ena
ble-decklink --enable-zlib
libavutil 54. 27.100 / 54. 27.100
libavcodec 56. 45.100 / 56. 45.100
libavformat 56. 38.102 / 56. 38.102
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 18.100 / 5. 18.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, image2, from '12bpp.jpg':
Duration: 00:00:00.04, start: 0.000000, bitrate: 65308 kb/s
Stream #0:0: Video: mjpeg, gray16le(12 bpc, bt470bg/unknown/unknown),
999x74
9 [SAR 300:300 DAR 999:749], 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.bmp':
Metadata:
encoder : Lavf56.38.102
Stream #0:0: Video: bmp, gray, 999x749 [SAR 1:1 DAR 999:749], q=2-31,
200 kb
/s, 25 fps, 25 tbn, 25 tbc
Metadata:
encoder : Lavc56.45.100 bmp
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg (native) -> bmp (native))
Press [q] to stop, [?] for help
frame= 1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
video:732kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing o
verhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4683>
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