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FFmpeg with custom patches for LAV Filters
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Lynne f6dd30df24
lavfi/vulkan: split off lavfi-specific code into vulkan_filter.c 
The issue is that libavfilter depends on libavcodec, and when doing a
static build, if libavcodec also includes "libavfilter/vulkan.c", then
during link-time, compiling programs will fail as there would be multiple
definitions of the same symbols in both libavfilter and libavcodec's
object files.
Linkers are, however, more permitting if both files that include
a common file that's used as a template are one-to-one identical.
Hence, to make both files the same in the future, export all avfilter
specific functions to a separate file.
There is some work in progress to make templated files like this be
compiled only once, so this is not a long-term solution.

This also removes a macro that could be used to toggle SPIRV compilation
capability on #include-time, as this could cause the files to be different.
 		2021-11-19 16:47:26 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc doc/examples/metadata: Constify values from av_dict_get() 2021-11-18 19:18:01 +01:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools ffmpeg: Allocate InputStream.decoded_frame early 2021-11-19 11:21:04 -03:00
libavcodec avcodec/hevcdec: Export Dolby Vision RPUs as side data 2021-11-17 14:12:51 +00:00
libavdevice */version.h: define FF_API macros unconditionally 2021-11-15 16:24:58 +01:00
libavfilter lavfi/vulkan: split off lavfi-specific code into vulkan_filter.c 2021-11-19 16:47:26 +01:00
libavformat avformat/librist: correctly initialize logging_settings 2021-11-18 20:40:24 +01:00
libavutil lavfi/vulkan: split off lavfi-specific code into vulkan_filter.c 2021-11-19 16:47:26 +01:00
libpostproc libpostproc/postprocess_template: Don't reimplement FFSWAP 2021-10-02 17:13:42 +02:00
libswresample swresample/aarch64: fix relocation out of range error 2021-09-25 21:55:29 +03:00
libswscale swscale/input: clip rgbf32 values before lrintf 2021-11-15 16:50:10 -03:00
presets
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tests ffmpeg: fix loosing gaps between audio frame timestamps when filtering 2021-11-18 12:54:17 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for MXPEG 2021-10-21 14:17:12 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avfilter: add colorspectrum source video filter 2021-11-16 20:41:39 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
Makefile FATE: add a test for sliced scaling 2021-08-08 19:26:05 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
configure lavu/vulkan: move common Vulkan code from libavfilter to libavutil 2021-11-19 13:44:45 +01:00

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 means to alter decoded audio and video through a directed graph of connected 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.