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Matthieu Bouron e1f4971209 lavfi: use an audio frame pool for each link of the filtergraph 8 years ago
compat compat/atomics: rename header guards 8 years ago
doc doc/scaler: mention default scaling algorithm 8 years ago
libavcodec avcodec/mathops: add missing header for ff_reverse 8 years ago
libavdevice avdevice/decklink_enc: do not reference this after freeing it 8 years ago
libavfilter lavfi: use an audio frame pool for each link of the filtergraph 8 years ago
libavformat lavf/dss: Support version 3 files / files with larger header. 8 years ago
libavresample Bump minor versions after 3.2 branchpoint to seperate release 8 years ago
libavutil x86inc: Avoid using eax/rax for storing the stack pointer 8 years ago
libpostproc Bump minor versions after 3.2 branchpoint to seperate release 8 years ago
libswresample swresample/resample: remove swri_resample function 8 years ago
libswscale swscale/swscale: Fix dereference of stride array before null check 8 years ago
presets presets: remove moldering iPod presets 11 years ago
tests fate/psd : add test for 256 color 8 years ago
tools tools/zmqsend: Do not truncate fgetc() return 8 years ago
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COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 16 years ago
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 13 years ago
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
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LICENSE.md lavfi/f_ebur128: relicense to LGPL 8 years ago
MAINTAINERS MAINTAINERS: update 8 years ago
Makefile Merge commit '6641819feedb086ebba3d2be89b8d33980f367e1' 9 years ago
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RELEASE RELEASE: Update for past 3.2 branch 8 years ago
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cmdutils_opencl.c all: use FFDIFFSIGN to resolve possible undefined behavior in comparators 9 years ago
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configure configure: Fix standalone compilation of the ljpeg encoder. 8 years ago
ffmpeg.c ffmpeg: remove stop_encoding variable and related code, it is dead / unused code 8 years ago
ffmpeg.h ffmpeg: Add an option "qsv_device" to choose proper node for QSV child device (vaapi or dxva2) 8 years ago
ffmpeg_cuvid.c doc: fix spelling errors 8 years ago
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ffmpeg_filter.c ffmpeg_filter: fix several logic failures 8 years ago
ffmpeg_opt.c ffmpeg: Add an option "qsv_device" to choose proper node for QSV child device (vaapi or dxva2) 8 years ago
ffmpeg_qsv.c ffmpeg: Add an option "qsv_device" to choose proper node for QSV child device (vaapi or dxva2) 8 years ago
ffmpeg_vaapi.c ffmpeg_vaapi: fix choice of decoder_format 8 years ago
ffmpeg_vdpau.c Merge commit 'f72db3f2f3a8c83a4f5dede8fa03434b2bf676c6' 9 years ago
ffmpeg_videotoolbox.c ffmpeg/videotoolbox: protect UTGetOSTypeFromString on both VDA and VT 9 years ago
ffplay.c ffplay: add startup volume option 8 years ago
ffprobe.c lavc: Add spherical packet side data API 8 years ago
ffserver.c ffserver: local OOB write with custom program name 8 years ago
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL 8 years ago
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact 8 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 analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.