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FFmpeg git repo
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Andreas Rheinhardt 2968da7d9e avformat/matroskaenc: Adapt documentation of put_ebml_num 
to its actual behaviour: That it uses the least amount of bytes unless
overridden.

The current documentation leaves it undefined how many bytes will be used
when no number to use has been given explicitly. But several estimates
(used to write EBML Master elements with a small length field) require
this number to be the least amount of bytes to work. Therefore change
the documentation; and remove a comment about writing length fields
indicating "unkown length". It has been outdated since 0580a122.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-01 16:38:28 +01:00
compat compat/avisynth: Fix unicode compilation. 2020-01-01 16:38:28 +01:00
doc avdevice/xcbgrab: capture the full desktop if video_size is not specified 2019-12-30 23:32:27 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools/ffmpeg_filter: remove sws_param option from buffersrc 2019-12-31 14:24:34 +01:00
libavcodec avcodec: Replace get_bits_long() by get_bits() where possible 2019-12-31 18:43:50 +01:00
libavdevice avdevice/xcbgrab: capture the full desktop if video_size is not specified 2019-12-30 23:32:27 +01:00
libavfilter avfilter/af_dynaudnorm: do not hang forever if only EOF is received 2020-01-01 13:44:22 +01:00
libavformat avformat/matroskaenc: Adapt documentation of put_ebml_num 2020-01-01 16:38:28 +01:00
libavresample
libavutil avutil/eval: Add av_expr_count_func() similar to av_expr_count_vars() 2019-12-28 11:20:48 +01:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale/utils: remove access of AV_PIX_FMT_NB 2019-12-31 12:37:47 +01:00
presets
tests avformat/matroskadec: Fix lzo decompression 2019-12-28 22:40:13 -03:00
tools tools/target_dec_fuzzer: Stop negative block_align and sampling rate 2019-12-31 12:37:47 +01:00
.gitattributes
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avfilter: add thistogram video filter 2019-12-29 15:33:55 +01:00
configure configure: bump year 2020-01-01 12:14:30 +05:30
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as libxavs2 maintainer 2019-12-07 19:34:57 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
README.md
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00

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.
  • 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 and will be ignored.