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Jan Ekström 1e7b385199 avformat/tls_schannel: immediately return decrypted data if available 
Until now, we would have only attempted to utilize already decrypted
data if it was enough to fill the size of buffer requested, that could
very well be up to 32 kilobytes.

With keep-alive connections this would just lead to recv blocking
until rw_timeout had been reached, as the connection would not be
officially closed after each transfer. This would also lead to a
loop, as such timed out I/O request would just be attempted again.

By just returning the available decrypted data, keep-alive based
connectivity such as HLS playback is fixed with schannel.

(cherry picked from commit 6f8826e4aa)
2020-09-04 19:04:55 +03:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
doc Update for 4.2.4 2020-07-07 20:39:24 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
fftools ffplay: set stream_index to -1 earlier to prevent segfault 2020-05-20 22:11:28 +02:00
libavcodec avcodec/apedec: Fix undefined integer overflow with 24bit 2020-07-07 19:30:17 +02:00
libavdevice Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libavfilter avfilter/vf_dedot: Fix leak of AVFrame if making it writable fails 2020-05-20 10:51:29 +02:00
libavformat avformat/tls_schannel: immediately return decrypted data if available 2020-09-04 19:04:55 +03:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/avsscanf: Add () to avoid integer overflow in scanexp() 2020-07-05 01:47:57 +02:00
libpostproc Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
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libswscale swscale/utils: Fix invalid left shifts of negative numbers 2020-05-20 03:44:07 +02:00
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RELEASE Update for 4.2.4 2020-07-07 20:39:24 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 2019-07-21 18:58:41 +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.