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James Almer 2eb7151261 avcodec/pthread_frame.c: keep the last_pkt_props from worker threads in sync with the user context 
Making it point to the input packet results in different behavior during flush,
where its contents will be that of an empty packet instead of containing the
props from the last input packet fed to the decoder.
After this change, decoding with more than one thread will shield the same
results as using a single thread.

Signed-off-by: James Almer <jamrial@gmail.com>
2022-12-07 09:01:24 -03:00
compat
doc doc/filters: link framesync options for msad/identity/vif 2022-12-07 12:23:16 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools: use av_dict_get_string 2022-12-01 11:21:14 +01:00
libavcodec avcodec/pthread_frame.c: keep the last_pkt_props from worker threads in sync with the user context 2022-12-07 09:01:24 -03:00
libavdevice avdevice/avfoundation: convert to new channel layout-API 2022-11-08 14:08:05 -03:00
libavfilter avfilter/vf_vif: add missing framesync options 2022-12-07 12:23:16 +01:00
libavformat avformat/fifo: use av_dict_iterate 2022-12-01 11:21:15 +01:00
libavutil avutil/tests/dict: Explicitly test av_dict_iterate() 2022-12-07 10:22:02 +01:00
libpostproc postproc/postprocess_template: Fix alignment 2022-11-09 17:39:00 +01:00
libswresample swresample/rematrix: support mixing top front left/right channels 2022-11-03 19:39:52 -03:00
libswscale swscale/utils: Fix indentation 2022-11-24 21:02:57 +01:00
presets
tests Revert "avcodec/decode: use a packet list to store packet properties" 2022-12-07 08:55:33 -03:00
tools tools/target_dec_fuzzer: Adjust threshold for RSCC 2022-12-01 21:43:57 +01:00
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Changelog avfilter: add showcwt multimedia filter 2022-11-28 23:18:03 +01:00
configure avfilter/vf_bm3d: switch to TX from lavu 2022-12-04 23:02:07 +01:00
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README.md
RELEASE

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.