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Michael Niedermayer 7f8d28f686 postproc: Replace CLIP by av_clip_uint8 10 years ago
compat Merge commit 'f929ab0569ff31ed5a59b0b0adb7ce09df3fca39' 10 years ago
doc doc/filters: remove aconvert 10 years ago
libavcodec x86/me_cmp: combine sad functions into a single macro 10 years ago
libavdevice avdevice/lavfi: dont assign variables to themselfs 10 years ago
libavfilter vf_deshake: rename Transform.vector to Transform.vec to avoid compiler confusion 10 years ago
libavformat Merge commit '2bb2c2bd75e5f4b28a945511cda77e0a1a44c758' 10 years ago
libavresample Add missing "const" all over the place. 10 years ago
libavutil avutil: remove obsolete FF_API_OLD_OPENCL cruft 10 years ago
libpostproc postproc: Replace CLIP by av_clip_uint8 10 years ago
libswresample libswresample: move condition to start of loop. 10 years ago
libswscale swscale/x86: do not expect registers to be preserved across inline ASM blocks 10 years ago
presets presets: remove moldering iPod presets 11 years ago
tests fate: add fate-filter-pp1 10 years ago
tools tools/crypto_bench: fix build when AV_READ_TIME is unavailable 10 years ago
.gitignore avcodec: export motion vectors in frame side data on demand 10 years ago
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Changelog Changelog: add 2.4 10 years ago
INSTALL.md INSTALL: add markdown syntax 11 years ago
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MAINTAINERS MAINTAINERS: Add 2.4 to maintained releases, drop 2.3 10 years ago
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cmdutils.h ffmpeg: add -devices param 11 years ago
cmdutils_common_opts.h ffmpeg: add -devices param 11 years ago
cmdutils_opencl.c cmdutils_opencl: Use av_malloc_array() 11 years ago
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ffmpeg.c ffmpeg: Do av_buffersink_set_frame_size() when reconfiguring the filtergraph not just when changing audio resample parameters 10 years ago
ffmpeg.h ffmpeg: Enable compute_edt only when the subtitles are used for a output stream instead of a filter 10 years ago
ffmpeg_dxva2.c Merge commit 'a7c5fddac8137654cb503295c4dfb6492df43643' 11 years ago
ffmpeg_filter.c ffmpeg: Do av_buffersink_set_frame_size() when reconfiguring the filtergraph not just when changing audio resample parameters 10 years ago
ffmpeg_opt.c ffmpeg_opt: reduce diff to libav in opt_target() by 16 lines 10 years ago
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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 analisys 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

Conding examples are available in the doc/example directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.