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erankor 6348be83e8 http: make caching of redirect url optional 
added "cache_redirect" option to http.
when enabled, requests issued after seek will use the latest redirected
url.
when disabled, each call to seek will revert to the original url that
was sent to http_open.

currently, the default remains 'enabled', until the next major
libavformat bump, where it will change to 'disabled'.
 		2021-12-31 14:27:00 -05:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avformat/mov: add option max_stts_delta 2021-12-31 14:44:20 +05:30
ffbuild build: simplify rules for metal 2021-12-20 12:05:39 -08:00
fftools fftools: provide media type info for devices 2021-12-24 14:06:56 +05:30
libavcodec avcodec/apedec: fix integer overflow in 8bit samples 2021-12-30 22:20:14 +01:00
libavdevice avdevice/dshow: don't mix declarations and code 2021-12-24 14:24:07 -03:00
libavfilter avfilter: add anlmf filter 2021-12-25 11:32:41 +01:00
libavformat http: make caching of redirect url optional 2021-12-31 14:27:00 -05:00
libavutil libavutil/hwcontext_qsv: clean padding when upload qsv frames 2021-12-23 15:49:07 +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 swscale/x86/init: use isSemiPlanarYUV 2021-12-23 01:41:03 -06:00
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tools tools/target_dec_fuzzer: Adjust threshold for prores 2021-12-16 21:06:47 +01:00
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Changelog avfilter: add anlmf filter 2021-12-25 11:32:41 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
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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.