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Andreas Rheinhardt 5616942220 avfilter/formats: Don't typedef structure a second time 
Before commit 2f76476549, avfilter.h
contained no typedef for AVFilterChannelLayouts; all references to it
were done using its struct tag. formats.h meanwhile contained the
definition of the struct and a typedef for it. Said commit now added a
typedef in avfilter.h, too, bringing it in line with AVFilterFormats;
yet this means that there are two typedefs for AVFilterChannelLayouts
(in contrast to AVFilterFormats which is only typedef'ed in avfilter.h).

The problem is that older versions of GCC don't like this and error out:
http://fate.ffmpeg.org/history.cgi?slot=x86_64-openbsd5.6-gcc4.2-conf2
is one of the FATE boxes that now fail to compile. So just remove the
typedef in formats.h.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-09-11 14:51:03 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc avformat: add mca demuxer 2020-09-10 17:38:08 +02:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools fftools, libavcodec, libavfilter: Add const to some AVCodec * 2020-09-11 14:42:36 +02:00
libavcodec fftools, libavcodec, libavfilter: Add const to some AVCodec * 2020-09-11 14:42:36 +02:00
libavdevice avdevice/lavfi: Remove redundant av_packet_unref() 2020-09-06 21:45:41 +02:00
libavfilter avfilter/formats: Don't typedef structure a second time 2020-09-11 14:51:03 +02:00
libavformat avformat/utils: Avoid duplicating extradata from extract_extradata BSF 2020-09-11 14:38:18 +02:00
libavresample
libavutil hwcontext_vaapi: Don't require a render node when deriving from DRM 2020-08-31 21:42:14 +01:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample swresample/rematrix: handle 22.2 as a 9 channel layout 2020-08-18 22:47:35 +03:00
libswscale swscale/x86/output: add missing AVX2 support preprocessor wrappers 2020-08-20 15:14:56 -03:00
presets
tests tests: fix warning ISO C90 forbids mixed declarations and code 2020-09-10 20:34:51 +08:00
tools tools/target_dec_fuzzer: Adjust threshold for WMV3IMAGE 2020-09-07 23:05:25 +02:00
.gitattributes
.gitignore
.mailmap mailmap: add entry for myself 2020-07-13 11:24:04 +08:00
.travis.yml
Changelog avformat: add mca demuxer 2020-09-10 17:38:08 +02:00
configure configure: Fix msa can't be disabled when '--cpu=loongson3a' assigned. 2020-09-10 23:31:10 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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CREDITS
INSTALL.md
LICENSE.md
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
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.