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Andreas Rheinhardt c26730ed8f tests/dnn: Make DNN tests regular libavfilter tests 
They test libavfilter internal API, so they should be libavfilter
test programs (which implies: linked statically to libavfilter
to access internal APIs and linked normally (statically or dynamically
depending upon the build configuration) against all the other libs).

Right now, they are always linked statically against all libs,
which is a significant size waste compared to shared libs as all
of libavcodec has been pulled in despite not being really used.
This also leads to linking failures on systems for which av_export_avutil
is intended: libavcodec does not expect to be linked statically
against the library providing avpriv_(cga|vga16)_font in this case.
This is fixed by this commit.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-12-19 00:46:29 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avfilter/af_astats: improve options descriptions 2021-12-14 22:36:50 +08:00
ffbuild build: detect Metal.framework and build .metal files 2021-12-18 11:55:47 -08:00
fftools fftools/cmdutils: Avoid crash when opts could not be allocated 2021-12-16 11:56:00 +01:00
libavcodec avcodec/Makefile: Remove superfluous avformat->DNXHD dependencies 2021-12-19 00:46:16 +01:00
libavdevice lavd/v4l2: detect device name truncation 2021-12-07 11:16:14 +01:00
libavfilter tests/dnn: Make DNN tests regular libavfilter tests 2021-12-19 00:46:29 +01:00
libavformat avcodec/Makefile: Remove superfluous avformat->DNXHD dependencies 2021-12-19 00:46:16 +01:00
libavutil avutil: add obj-c helpers into header-only include 2021-12-18 11:55:47 -08:00
libpostproc libpostproc/postprocess_template: Don't reimplement FFSWAP 2021-10-02 17:13:42 +02:00
libswresample libswresample/swresamplec: Err num(negative-size) was used as a function parameter 2021-12-09 13:12:45 +01:00
libswscale x86/scale_avx2: don't use $ for hex literals 2021-12-16 17:29:21 -03:00
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tests tests/dnn: Make DNN tests regular libavfilter tests 2021-12-19 00:46:29 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for prores 2021-12-16 21:06:47 +01:00
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Changelog avfilter: add vf_yadif_videotoolbox 2021-12-18 11:57:31 -08:00
configure avfilter: add vf_yadif_videotoolbox 2021-12-18 11:57:31 -08:00
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MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
Makefile avutil: [loongarch] Add support for loongarch SIMD. 2021-12-15 18:37:40 +01:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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 means to alter decoded audio and video through a directed graph of connected 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.