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Christophe Gisquet 552faecf4b vf_scale: conditionally override chroma position 
For yuv420p, the chroma position is unilaterally overriden, even
if ffmpeg's command-line explicitly set it. To fix this, override
only if the value is the default one.

Regression since 1515bfb3.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-09-23 23:30:53 +02:00
compat use a wrapper script to call MS link.exe to avoid mixing with /usr/bin/link.exe 2015-07-24 20:02:32 +02:00
doc avfilter/vf_chromakey: Add chromakey video filter 2015-09-23 18:10:14 +02:00
libavcodec avcodec/aacenctab: Make aac_maxval_cb const 2015-09-23 12:46:52 +02:00
libavdevice avdevice/libdc1394: add const to suppress "assignment discards const qualifier from pointer target type" warnings 2015-09-20 22:12:37 +02:00
libavfilter vf_scale: conditionally override chroma position 2015-09-23 23:30:53 +02:00
libavformat avformat/brstm: fix overflow 2015-09-23 19:10:13 +02:00
libavresample avresample/resample: remove unused variable 2015-09-19 23:40:34 +02:00
libavutil avutil/attributes: add AV_GCC_VERSION_AT_MOST 2015-09-18 12:41:29 -03:00
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libswresample Merge commit 'e88103a7f92cf27a2868b50acc8a9912f6088249' 2015-09-05 21:35:46 +02:00
libswscale swscale: fix ticket 4850 2015-09-20 18:08:14 -03:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests AAC encoder: tweak rate-distortion logic 2015-09-23 02:33:44 -03:00
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ffmpeg_dxva2.c ffmpeg_dxva2: call GetDesktopWindow() in place of GetShellWindow() 2015-06-03 16:25:08 +02:00
ffmpeg_filter.c lavfi: fix compilation with FF_API_OLD_FILTER_OPTS=0. 2015-08-18 22:22:49 -04:00
ffmpeg_opt.c Merge commit '7bb1c1bfd22de2200743af04ebd0c7c775f56f7e' 2015-09-17 11:46:34 +02:00
ffmpeg_vdpau.c ffmpeg_vdpau: Ignore decoder's max supported level 2015-08-16 15:02:33 -07:00
ffmpeg_videotoolbox.c avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
ffmpeg.c Merge commit '6064f697a321174232a3fad351afb21150c3e9e5' 2015-09-12 15:12:05 +02:00
ffmpeg.h ffmpeg: switch swscale option handling to AVDictionary similar to what the other subsystems use 2015-08-08 14:44:15 +02:00
ffplay.c Remove left-over FF_API_AVFILTERBUFFER cruft 2015-09-05 16:27:19 +02:00
ffprobe.c ffprobe: use AV_OPT_TYPE_BOOL for writers options 2015-09-12 17:50:22 +02:00
ffserver_config.c ffserver: remove useless assignment leftover 2015-09-18 16:24:39 -07:00
ffserver_config.h ffserver: Use singlejpeg muxer for jpeg 2015-06-08 03:36:22 +02:00
ffserver.c ffserver: explicitly free() duped filename 2015-09-18 16:24:38 -07:00
INSTALL.md INSTALL: add markdown syntax 2014-05-28 22:38:38 +02:00
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LICENSE.md avfilter: add rubberband wrapper 2015-09-20 19:54:57 +02:00
MAINTAINERS avfilter/vf_chromakey: Add chromakey video filter 2015-09-23 18:10:14 +02:00
Makefile avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
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README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process. Few developers follow pull requests so they will likely be ignored.