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vulkan_decode: don't call get_proc_addr on every frame's destruction 
The issue is that we cannot rely on any context existing when we free
frames. The Vulkan functions are loaded in each context separately,
so until now, we've just been loading them on every frame's destruction.

Rather than do this, just save the function pointers we need in each
frame. The function pointers are guaranteed to not change and exist.
2023-09-15 17:35:22 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc avformat/mov: add interleaved_read option 2023-09-14 18:49:51 +08:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg: do not fail on AVERROR(EAGAIN) from choose_output() 2023-09-14 10:44:05 +02:00
libavcodec vulkan_decode: don't call get_proc_addr on every frame's destruction 2023-09-15 17:35:22 +02:00
libavdevice avutil/imgutils: Add wrapper for av_image_copy() to avoid casts 2023-09-12 09:42:27 +02:00
libavfilter avfilter/dnn_backend_openvino: fix wild pointer on error path 2023-09-15 13:02:15 +08:00
libavformat avformat/jpegxl_anim_dec: Check that size fits within argument 2023-09-14 22:00:17 +02:00
libavutil avutil/hwcontext_vulkan: Cosmetics 2023-09-15 02:38:14 +02:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample libswresample: Prevent out of bounds. 2023-08-02 17:31:13 +02:00
libswscale avutil/internal: Don't auto-include emms.h 2023-09-04 11:04:45 +02:00
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tests avcodec/idctdsp: Avoid inclusion of avcodec.h 2023-09-11 00:26:34 +02:00
tools tools/patcheck: Remove test for ancient INIT_VLC_USE_STATIC 2023-09-11 00:26:34 +02:00
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.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Changelog: Add Support hevc,vp9,av1 codec fourcclist in enhanced rtmp protocol 2023-09-05 15:04:38 +08:00
configure vulkan: enable VK_KHR_cooperative_matrix 2023-08-26 23:14:53 +02:00
CONTRIBUTING.md
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CREDITS Use https for repository links 2023-03-01 21:59:10 +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 MAINTAINERS: change Leo Izen IRC nickname 2023-06-20 12:46:47 -04:00
Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2023-03-28 13:00:42 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +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 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.