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Jerome Martinez 05e34523bc avcodec/dpx: fix check of minimal data size for unpadded content 
stride value is not relevant with unpadded content and the total count
of pixels (width x height) must be used instead of the rounding based on
width only then multiplied by height

unpadded_10bit value computing is moved sooner in the code in order to
be able to use it during computing of minimal content size. Also make sure to
only set it for 10bit.

Fix 'Overread buffer' error when the content is not lucky enough to have
(enough) padding bytes at the end for not being rejected by the formula
based on the stride value

Fixes ticket #10259.

Signed-off-by: Jerome Martinez <jerome@mediaarea.net>
Signed-off-by: Marton Balint <cus@passwd.hu>
2023-04-08 20:08:18 +02:00
compat
doc avutil/hdr_dynamic_metadata: allow av_dynamic_hdr_plus_to_t35() to accept an existing buffer 2023-04-05 09:47:12 -03:00
ffbuild
fftools fftools/ffprobe: print crop_* frame fields 2023-03-26 16:39:59 -03:00
libavcodec avcodec/dpx: fix check of minimal data size for unpadded content 2023-04-08 20:08:18 +02:00
libavdevice avdevice/decklink_enc: Add support for compressed AC-3 output over SDI 2023-04-08 20:08:18 +02:00
libavfilter lavfi/unsharp: clarify invalid filter param constraints 2023-04-02 17:07:51 +02:00
libavformat avformat/matroskaenc: support writing Dynamic HDR10+ packet side data 2023-04-08 10:28:41 -03:00
libavutil avutil/hdr_dynamic_metadata: allow av_dynamic_hdr_plus_to_t35() to accept an existing buffer 2023-04-05 09:47:12 -03:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample swresample/swresample: add a used channel layout option using the new API 2023-02-19 18:28:45 -03:00
libswscale version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
presets
tests fate/matroska: add HDR10+ muxing tests 2023-04-08 10:28:41 -03:00
tools tools/zmqshell: port to python3 2023-04-02 16:28:54 +02:00
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Changelog lavc/libaribcaption.c: add ARIB caption decoder using libaribcaption 2023-03-28 12:05:19 -04:00
configure Remove libopenjpeg decoder 2023-04-02 23:54:51 +02:00
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Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2023-03-28 13:00:42 +02:00
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.