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Andreas Rheinhardt ea0a41bcaf avformat/wtvdec: Use smaller upper bound for buffer 
Every code point in the BMP is representable with at most three bytes
in UTF-8 and every code point not in the BMP takes four bytes.
For each of the latter, the encoding of UTF-16 takes as many
bytes; for each of the former, it takes at most 3/2 as many.
Therefore one can decrease the size of the buffer allocated
here.

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2023-09-12 23:35:14 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc avutil/imgutils: Add wrapper for av_image_copy() to avoid casts 2023-09-12 09:42:27 +02:00
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fftools avcodec/defs: Add AV_PROFILE_* defines, deprecate FF_PROFILE_* defines 2023-09-07 00:39:02 +02:00
libavcodec avutil/imgutils: Add wrapper for av_image_copy() to avoid casts 2023-09-12 09:42:27 +02:00
libavdevice avutil/imgutils: Add wrapper for av_image_copy() to avoid casts 2023-09-12 09:42:27 +02:00
libavfilter avfilter/vf_drawtext: fix text width measurement 2023-09-12 19:33:09 +02:00
libavformat avformat/wtvdec: Use smaller upper bound for buffer 2023-09-12 23:35:14 +02:00
libavutil avutil/imgutils: Add wrapper for av_image_copy() to avoid casts 2023-09-12 09:42:27 +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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README.md
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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.