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Niklas Haas 15a67c0947 avfilter/vf_scale: add in/out_chroma_loc 
Currently, this just functions as a more principled and user-friendly
replacement for the (undocumented and hard to use) *_chr_pos fields.

However, the goal is to automatically infer these values from the input
frames' chroma location, and deprecate the manual use of *_chr_pos
altogether. (Indeed, my plans for an swscale replacement will most
likely also end up limiting the set of legal chroma locations to those
permissible by AVFrame properties)
2024-08-16 11:43:37 +02:00
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doc avfilter/vf_scale: add in/out_chroma_loc 2024-08-16 11:43:37 +02:00
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fftools fftools/ffmpeg: show video stats in progress output without filters 2024-08-14 15:17:58 +02:00
libavcodec lavc/qsvdec: Add vvc_mp4toannexb bsf for QSV VVC decoder 2024-08-16 14:15:04 +08:00
libavdevice libavdevice/gdigrab: change hwnd tail check fail logic to !=null 2024-08-15 20:10:33 +08:00
libavfilter avfilter/vf_scale: add in/out_chroma_loc 2024-08-16 11:43:37 +02:00
libavformat avformat/iamf_parse: ignore Audio Elements with an unsupported type 2024-08-14 23:55:40 -03:00
libavutil hwcontext_vulkan: align host mapping size to minImportedHostPointerAlignment 2024-08-16 01:22:16 +02:00
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tools tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers 2024-08-14 18:20:57 +02:00
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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.