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Andreas Rheinhardt d72a671c60 avcodec/wrapped_avframe: Don't presume AVPacket to be writable 
It need not be writable; in fact, it is often not writable even if
the packet sent to the decoder was writable, because the generic code
calls av_packet_ref() on it. It is never writable if a user
drains the decoder after every packet, because in this case the decode
callback is called from avcodec_send_packet().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 		2022-07-18 21:10:16 +02:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc avfilter: add vsrc_ddagrab 2022-07-18 02:08:27 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg: make debug_ts print raw filter output 2022-07-18 00:32:14 +02:00
libavcodec avcodec/wrapped_avframe: Don't presume AVPacket to be writable 2022-07-18 21:10:16 +02:00
libavdevice avdevice/lavfi: pass forward video framerate 2022-07-18 00:32:57 +02:00
libavfilter avfilter/vsrc_ddagrab: fix checkheaders error 2022-07-18 13:08:39 +02:00
libavformat avformat/mov: discard data streams with all zero sample_delta 2022-07-18 11:06:17 +08:00
libavutil avutil/hwcontext_d3d11va: add BGRA/RGBA10 formats support 2022-07-18 00:32:14 +02:00
libpostproc Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswresample Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
libswscale Bump versions after 5.1 branch 2022-07-13 00:29:05 +02:00
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tests avcodec/wrapped_avframe: Don't leak frame metadata, side-data 2022-07-18 21:09:44 +02:00
tools tools/target_dec_fuzzer: adjust threshold for flic 2022-07-12 21:55:22 +02:00
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
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Changelog Changelog: move ddagrab addition to correct version 2022-07-18 13:52:48 +02:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: add myself as maintainer for LoongArch. 2022-06-08 18:29:30 +02:00
Makefile Makefile: Prompt for reconfigure on lavc/hwaccels.h modification 2022-07-01 00:34:38 +02:00
README.md
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RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00
configure avfilter: add vsrc_ddagrab 2022-07-18 02:08:27 +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 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.