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Michael Niedermayer e0c973e5be avformat/mpsubdec: Remove floating point usage 
This makes the code bitexact between platforms.
Intermediate timestamps between frames are preserved.
The timebase is simplified.
Rounding differs from doubles in cases where timestamps/durations
are "funny"

Suggested-by: jb
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-08-29 15:14:32 +02:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc libavcodec/amfenc: Vulkan initialization support for encoder. 2019-08-27 18:28:31 -07:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools: Use right function signature and pointers 2019-08-15 01:26:21 +02:00
libavcodec lavc/cbs_h2645: Use av_realloc instead of av_malloc 2019-08-28 21:57:48 +02:00
libavdevice libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
libavfilter avfilter/af_compand: change error condition into warning 2019-08-28 15:28:53 +02:00
libavformat avformat/mpsubdec: Remove floating point usage 2019-08-29 15:14:32 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/imgutils: remove dead assignment 2019-08-22 21:38:41 +02:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswscale lsws/ppc/yuv2rgb_altivec: Replace vec_lvsl/vec_perm with vec_xl 2019-08-13 02:21:24 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avformat/mpsubdec: Remove floating point usage 2019-08-29 15:14:32 +02:00
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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 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.