Opened 13 years ago
Closed 13 years ago
#816 closed enhancement (fixed)
pal8 output is gray / empty
Reported by: | ami_stuff | Owned by: | |
---|---|---|---|
Priority: | wish | Component: | swscale |
Version: | git-master | Keywords: | pal8 |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | no |
Description
C:\>ffmpeg -i test.bmp -pix_fmt pal8 pal8.tif ffmpeg version N-35966-g1d0ae92, Copyright (c) 2000-2011 the FFmpeg developers built on Dec 19 2011 13:01:15 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. 32. 0 / 51. 32. 0 libavcodec 53. 46. 1 / 53. 46. 1 libavformat 53. 27. 0 / 53. 27. 0 libavdevice 53. 4. 0 / 53. 4. 0 libavfilter 2. 53. 0 / 2. 53. 0 libswscale 2. 1. 0 / 2. 1. 0 libpostproc 51. 2. 0 / 51. 2. 0 Input #0, image2, from 'test.bmp': Duration: 00:00:00.04, start: 0.000000, bitrate: N/A Stream #0:0: Video: bmp, bgr24, 1024x768, 25 tbr, 25 tbn, 25 tbc [buffer @ 020E1480] w:1024 h:768 pixfmt:bgr24 tb:1/1000000 sar:0/1 sws_param: [buffersink @ 020E1700] auto-inserting filter 'auto-inserted scale 0' between th e filter 'src' and the filter 'out' [scale @ 020E1B40] w:1024 h:768 fmt:bgr24 -> w:1024 h:768 fmt:pal8 flags:0x4 Output #0, image2, to 'pal8.tif': Metadata: encoder : Lavf53.27.0 Stream #0:0: Video: tiff, pal8, 1024x768, q=2-31, 200 kb/s, 90k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (bmp -> tiff) 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:759kB audio:0kB global headers:0kB muxing overhead -100.000000%
with some old ffmpeg build I get this:
C:\>ffmpeg -i test.bmp -pix_fmt pal8 pal8.tif FFmpeg version SVN-r18316, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e xtra-cflags=-fno-common --enable-avisynth --enable-gpl --enable-zlib --enable-bz lib --enable-libgsm --enable-libfaac --enable-pthreads --enable-libvorbis --enab le-libmp3lame --enable-libopenjpeg --enable-libtheora --enable-libspeex --enable -libxvid --enable-libfaad --enable-libschroedinger --enable-libx264 libavutil 50. 2. 0 / 50. 2. 0 libavcodec 52.22. 3 / 52.22. 3 libavformat 52.32. 0 / 52.32. 0 libavdevice 52. 1. 0 / 52. 1. 0 libswscale 0. 7. 1 / 0. 7. 1 built on Apr 2 2009 16:33:19, gcc: 4.2.4 Input #0, image2, from 'test.bmp': Duration: 00:00:00.04, start: 0.000000, bitrate: N/A Stream #0.0: Video: bmp, bgr24, 1024x768, 25 tbr, 25 tbn, 25 tbc swScaler: Palette is not supported as output pixel format Cannot get resampling context
Attachments (1)
Change History (4)
by , 13 years ago
comment:1 by , 13 years ago
comment:2 by , 13 years ago
Component: | undetermined → swscale |
---|---|
Keywords: | pal8 added |
Priority: | normal → wish |
Reproduced by developer: | set |
Status: | new → open |
Summary: | tiff enc: gray (empty) output with pal8 → pal8 output is gray / empty |
Type: | defect → enhancement |
Version: | unspecified → git-master |
A filter was posted some time ago:
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/101397/focus=101443
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regression between N-35295-gb55dd10 and N-35462-g61b1d85