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Nuo Mi 49ba613146 avcodec/vvcdec: fix boundary strength when IBC involved 
The following cases should set bs to 1:
If the prediction modes are not the same.
If both prediction modes are MODE_IBC, but the motion vector delta is larger than 8 of 1/16 pixels.
see 8.8.3.5

How to reproduce it:
vvencapp -i sintel_trailer_2k_1080p24.y4m --preset fast --additional "IBC=1" -o sintel.266
ffmpeg -i sintel.266 -f md5 -
md5 will mismatch

Found-by: 6ws at https://github.com/ffvvc/FFmpeg/issues/187#issuecomment-1962842135
2024-03-04 20:39:27 +08:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc doc/ffprobe.xsd: add <components> and <pieces> 2024-03-04 12:51:21 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/cmdutils: Inline print_error() 2024-03-04 12:07:58 +01:00
libavcodec avcodec/vvcdec: fix boundary strength when IBC involved 2024-03-04 20:39:27 +08:00
libavdevice avdevice: deprecate sdl outdev 2024-02-28 10:28:49 +01:00
libavfilter avutil/vulkan: Don't autoinclude vulkan_loader.h 2024-03-03 22:55:26 +01:00
libavformat avformat/dvdvideodec: fix -pgc and -pg options 2024-03-04 10:47:57 +01:00
libavutil aarch64: Use regular hwcaps flags instead of HWCAP_CPUID for CPU feature detection on Linux 2024-03-04 10:13:31 +02:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-02 19:13:03 +01:00
libswscale libswscale/utils: Fix bayer to yuvj 2024-02-21 18:24:17 +01:00
presets
tests avformat/wavdec: dynamically set max_size by default 2024-03-02 19:13:03 +01:00
tools tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
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Changelog Changelog: restore new line 2024-03-04 10:52:12 +01:00
configure libavformat/dvdvideo: add DVD-Video demuxer, powered by libdvdread and libdvdnav 2024-03-02 08:12:29 +01:00
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MAINTAINERS MAINTAINERS: remove myself from here 2024-02-04 22:22:42 +01:00
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README.md
RELEASE

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.