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Koushik Dutta 252fc2e047 avfilter/scale_vulkan: add dynamic crop region and aspect ratio match 
The scale_vulkan filter initializes the shader once, with the crop
region set by the original frame. However, subsequent frames may
specify a different crop region than the first frame. This change
updates the cropping to match the behavior present on the other
hardware frame scale filters.

The scale filter should also allow negative values
that respect aspect ratio, similar to other scale filters.

Signed-off-by: Koushik Dutta <koushd@gmail.com>
2025-01-07 08:34:59 +09:00
compat compat/w32pthreads: change pthread_t into pointer to malloced struct 2024-12-16 09:43:19 +01:00
doc avcodec: deprecate AVCodecContext properties 2025-01-05 22:25:29 +01:00
ffbuild configure: Add wasm as a fake arch 2024-12-04 16:43:06 +08:00
fftools fftools/ffprobe: print lossless frame flag 2025-01-05 22:23:16 +01:00
libavcodec avcodec: deprecate AVCodecContext properties 2025-01-05 22:25:29 +01:00
libavdevice avdevice/dshow: fix unused variable warning 2024-10-17 13:04:17 +02:00
libavfilter avfilter/scale_vulkan: add dynamic crop region and aspect ratio match 2025-01-07 08:34:59 +09:00
libavformat avcodec: deprecate AVCodecContext properties 2025-01-05 22:25:29 +01:00
libavutil avcodec/frame: add AV_FRAME_FLAG_LOSSLESS 2025-01-05 22:23:15 +01:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample arm: Consistently use proper interworking function returns 2024-10-09 15:52:51 +03:00
libswscale swscale/utils: lazily allocate XYZ tables on CONFIG_SMALL 2024-12-26 20:31:36 +01:00
presets
tests fftools/ffprobe: print lossless frame flag 2025-01-05 22:23:16 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for EACMV 2024-12-24 02:55:51 +01:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore .gitignore: add exclusions for shader .c files 2024-11-18 07:54:21 +01:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog avcodec/libjxl: add animated JPEG XL encoder 2025-01-03 19:37:28 -05:00
configure avcodec/libjxl: add animated JPEG XL encoder 2025-01-03 19:37:28 -05:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2024-11-03 19:35:23 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Lauri is still available but is really low on time nowadays 2024-11-28 23:19:00 +01:00
Makefile configure: Add wasm as a fake arch 2024-12-04 16:43:06 +08:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +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.