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Pierre-Anthony Lemieux a1384b4e86
avcodec/jpeg2000htdec: check if block decoding will exceed internal precision 
Intended to replace https://patchwork.ffmpeg.org/project/ffmpeg/patch/20230802000135.26482-3-michael@niedermayer.cc/
with a more accurate block decoding magnitude bound.

Fixes: 62433/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5828618092937216
Fixes: 58299/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5828618092937216
Previous-version-reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-14 23:53:10 +01:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc fftools/ffmpeg_mux: print latency information in -debug_ts muxing output 2023-12-14 08:11:05 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffmpeg_sched: track dts+duration as last_dts 2023-12-14 20:16:54 +01:00
libavcodec avcodec/jpeg2000htdec: check if block decoding will exceed internal precision 2023-12-14 23:53:10 +01:00
libavdevice avdevice/audiotoolbox: Fix availability macro check 2023-12-12 22:01:14 +01:00
libavfilter avfilter/select: initialize prev_selected_n to NAN 2023-12-10 09:29:50 +05:30
libavformat avformat/movenc: rename MOVMuxContext.nb_streams to nb_tracks 2023-12-12 08:54:40 -03:00
libavutil avutil/imgutils: add new function av_image_fill_color() 2023-12-13 18:51:32 +01:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswscale riscv: test for assembler support 2023-12-08 17:21:09 +02:00
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tests tests/fate: add pixelize filter tests 2023-12-14 23:34:46 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for VMIX 2023-12-14 23:34:46 +01:00
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Changelog fftools/ffmpeg: convert to a threaded architecture 2023-12-12 08:24:18 +01:00
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MAINTAINERS MAINTAINERS: Remove older s3tc entry 2023-12-10 03:25:23 -05:00
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README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00

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.