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Andreas Rheinhardt c4c10feaa8 Revert "lavfi/avfiltergraph: add check before free the format" 
This reverts commit f156f4ab23.

The checks added by said commit are nonsense because they did not help
in case ff_merge_samplerates() or ff_merge_formats() returned NULL
while freeing one of its arguments: Said freeing does not change
the local variables of can_merge_formats().

Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-08-12 21:27:52 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc doc/general: mark that CFHD have encoder now 2020-08-11 12:34:41 +02:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools fftools/ffmpeg: make specifying thread_queue_size turn on threaded input 2020-07-29 23:10:12 +02:00
libavcodec lavc/snowenc: Expose an option to set the rc_eq expression 2020-08-12 17:35:38 +02:00
libavdevice kmsgrab: Add more supported formats 2020-08-09 20:18:49 +01:00
libavfilter Revert "lavfi/avfiltergraph: add check before free the format" 2020-08-12 21:27:52 +02:00
libavformat lavf/url: rewrite ff_make_absolute_url() using ff_url_decompose(). 2020-08-12 16:45:21 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/channel_layout: add 22.2 layout 2020-08-04 00:17:56 +03:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample swresample/rematrix: treat 22.2 as 5.1 (back) when mixing 2020-08-04 00:17:56 +03:00
libswscale swscale: do not drop half of bits from 16bit bayer formats 2020-08-08 12:03:42 +02:00
presets
tests lavc/aac_ac3_parser: fix potential overflow when averaging bitrate 2020-08-12 17:35:38 +02:00
tools dnn_backend_native_layer_mathunary: add round support 2020-08-12 10:30:46 +08:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: add entry for myself 2020-07-13 11:24:04 +08:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat: add argo_asf muxer 2020-08-07 23:14:28 +10:00
configure kmsgrab: Use GetFB2 if available 2020-08-09 20:18:48 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
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CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself and gpg fingerprint 2020-07-17 21:57:18 +02:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +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.