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Bas Nieuwenhuizen e050959103 hwcontext_vaapi: Use PRIME_2 memory type for modifiers. 
This way we can pass explicit modifiers in. Sometimes the
modifier matters for the number of memory planes that
libva accepts, in particular when dealing with
driver-compressed textures. Furthermore the driver might
not actually be able to determine the implicit modifier
if all the buffer-passing has used explicit modifier.
All these issues should be resolved by passing in the
modifier, and for that we switch to using the PRIME_2
memory type.

Tested with experimental radeonsi patches for modifiers
and kmsgrab. Also tested with radeonsi without the
patches to double-check it works without PRIME_2 support.

v2:
  Cache PRIME_2 support to avoid doing two calls every time on
  libva drivers that do not support it.

v3:
  Remove prime2_vas usage.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
2021-12-10 17:03:39 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc ffmpeg: deprecate passing numbers to -vsync 2021-12-07 11:23:45 +01:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools ffmpeg: handle errors in print_sdp() 2021-12-07 11:23:45 +01:00
libavcodec avcodec/apedec: Change avg to uint32_t 2021-12-09 13:27:23 +01:00
libavdevice lavd/v4l2: detect device name truncation 2021-12-07 11:16:14 +01:00
libavfilter avfilter: add a transpose_vulkan filter 2021-12-10 16:48:20 +01:00
libavformat avformat/mxfdec: Check for duplicate mxf_read_index_entry_array() 2021-12-09 13:40:54 +01:00
libavutil hwcontext_vaapi: Use PRIME_2 memory type for modifiers. 2021-12-10 17:03:39 +01:00
libpostproc libpostproc/postprocess_template: Don't reimplement FFSWAP 2021-10-02 17:13:42 +02:00
libswresample libswresample/swresamplec: Err num(negative-size) was used as a function parameter 2021-12-09 13:12:45 +01:00
libswscale swscale/yuv2rgb: Silence a set-but-unused-variable warning 2021-12-03 16:10:51 +01:00
presets
tests FATE: stop using numeric arguments to -vsync 2021-12-07 11:23:45 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for HQ_HQA 2021-12-06 14:25:55 +01:00
.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 '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update with recent Vulkan filter additions 2021-12-02 11:08:58 +01:00
configure avfilter: add a transpose_vulkan filter 2021-12-10 16:48:20 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
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

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.