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Ruiling Song d865783b6c lavf/qsv: clone the frame which may be managed by framework 
For filters based on framesync, the input frame was managed
by framesync, so we should not directly keep and destroy it,
instead we make a clone of it here, or else double-free will occur.
But for other filters not based on framesync, we still need to
free the input frame inside filter_frame.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
2018-04-21 19:00:43 +01:00
compat w32pthreads: always use Vista+ API, drop XP support 2018-04-09 21:58:39 +02:00
doc avfilter: add deblock filter 2018-04-21 11:34:49 +02:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffplay: Fix realloc_texture when input texture is NULL. 2018-04-18 18:57:07 +10:00
libavcodec avcodec: Fix AVClass .version 2018-04-19 23:44:13 +02:00
libavdevice avdevice/android_camera: Fix AVClass.version 2018-04-19 23:44:33 +02:00
libavfilter lavf/qsv: clone the frame which may be managed by framework 2018-04-21 19:00:43 +01:00
libavformat avformat/mov: Fix parsing of saio/siaz atoms in encrypted content. 2018-04-21 00:45:31 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avformat/mov: Increase support for common encryption. 2018-04-19 03:15:32 +02:00
libpostproc Bump minor versions after release/4.0 branching 2018-04-16 12:35:12 +02:00
libswresample swresample/arm: remove unintentional relocation. 2018-04-19 21:49:47 +02:00
libswscale Bump minor versions after release/4.0 branching 2018-04-16 12:35:12 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avformat/mov: Increase support for common encryption. 2018-04-19 03:15:32 +02:00
tools lav*,tests: remove several register_all calls 2018-04-02 03:26:22 +01:00
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configure configure: fix clang-cl check in the MSVC section 2018-04-19 09:57:11 +02:00
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README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +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.