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Rodger Combs 843e72ea55
lavf/matroskaenc: use mkv_check_tag_name consistently 
Previously, we used a different list of checks when deciding whether to
write a set of tags at all than we did when deciding whether to write an
individual tag in the set. This resulted in sometimes writing an empty
tag master and seekhead. Now we use mkv_check_tag_name everywhere, so
if a dictionary is entirely composed of tags we skip, we don't write a
tag master at all.

This affected the test file, since "language" was on one list but not
the other, so we were writing an empty tag master there. The test hash
is updated to reflect that change.
2016-09-06 17:25:37 -05:00
compat avcodec/nvenc: include nvEncodeAPI v7 SDK header 2016-08-28 16:47:54 +02:00
doc doc/showspectrum*: Change options order to reflect numeric values. 2016-09-06 11:52:10 +02:00
libavcodec cuvid: Implement flush to support seeking in media players 2016-09-06 21:52:05 +02:00
libavdevice avdevice/dshow: satisfy alloc contract better 2016-08-20 12:06:50 +02:00
libavfilter avfilter/fifo: Make independent of the channel layout 2016-09-06 12:36:28 +02:00
libavformat lavf/matroskaenc: use mkv_check_tag_name consistently 2016-09-06 17:25:37 -05:00
libavresample
libavutil lavu/timestamp: Avoid C++-unfriendly code in user header 2016-09-01 20:01:28 +01:00
libpostproc
libswresample swresample: add int64 sample format 2016-08-18 15:30:05 +02:00
libswscale swscale: add unscaled conversion from yuv420p to p010 2016-09-06 12:41:28 +02:00
presets
tests lavf/matroskaenc: use mkv_check_tag_name consistently 2016-09-06 17:25:37 -05:00
tools tools/crypto_bench: add support for des 2016-08-26 15:46:32 -03:00
.gitattributes
.gitignore
.travis.yml
arch.mak
Changelog avfilter: add gblur filter 2016-09-04 15:33:05 +02:00
cmdutils_common_opts.h
cmdutils_opencl.c
cmdutils.c cmdutils: fix implicit declaration of SetDllDirectory function 2016-08-29 19:52:39 -03:00
cmdutils.h cmdutils: remove the current working directory from the DLL search path on win32 2016-08-08 18:36:55 +02:00
common.mak
configure cuvid: Add hwaccels and decoders for remaining supported formats 2016-09-06 21:35:42 +02:00
COPYING.GPLv2
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CREDITS
ffmpeg_cuvid.c
ffmpeg_dxva2.c
ffmpeg_filter.c Merge commit '73c6ec6d659bab11ac424a4ba6ce3a56246295ee' into merge 2016-08-03 20:53:03 -07:00
ffmpeg_opt.c Merge commit '90944ee3ab79081845ea1bd97eea475031ce0842' 2016-08-06 13:31:12 -03:00
ffmpeg_qsv.c ffmpeg/qsv: fix QSV-accelerated transcode performance drop issue. 2016-08-16 17:09:33 +02:00
ffmpeg_vaapi.c
ffmpeg_vdpau.c
ffmpeg_videotoolbox.c
ffmpeg.c ffmpeg: fix broken indent/style in write_frame 2016-09-02 11:01:46 +02:00
ffmpeg.h Merge commit '73c6ec6d659bab11ac424a4ba6ce3a56246295ee' into merge 2016-08-03 20:53:03 -07:00
ffplay.c cmdutils: remove the current working directory from the DLL search path on win32 2016-08-08 18:36:55 +02:00
ffprobe.c cmdutils: remove the current working directory from the DLL search path on win32 2016-08-08 18:36:55 +02:00
ffserver_config.c
ffserver_config.h
ffserver.c cmdutils: remove the current working directory from the DLL search path on win32 2016-08-08 18:36:55 +02:00
INSTALL.md
library.mak
LICENSE.md
MAINTAINERS MAINTAINERS: Replace AvxSynth Team by Stephen Hutchinson for avisynth.c 2016-09-05 09:19:10 +02:00
Makefile
README.md
RELEASE
version.sh

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.