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Michael Niedermayer a0f4d4e650
avcodec/hevcdec: Avoid null pointer dereferences in MC 
Fixes: runtime error: pointer index expression with base 0x000000000000 overflowed to 0xfffffffffffffff8
Fixes: 58440/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5956015530311680

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-06-18 14:29:13 +02:00
compat
doc avfilter/vf_xfade: add reveal transitions 2023-06-17 19:48:10 +02:00
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fftools fftools/ffmpeg_mux: make OutputStream.pkt private 2023-06-05 16:16:13 +02:00
libavcodec avcodec/hevcdec: Avoid null pointer dereferences in MC 2023-06-18 14:29:13 +02:00
libavdevice avdevice/decklink_common: Convert to using avpriv_packet_list functions 2023-05-31 00:21:00 +02:00
libavfilter avfilter/vf_displace: add support for commands 2023-06-18 11:11:46 +02:00
libavformat avformat/hls: Forward stream metadata from subdemuxer 2023-06-17 18:06:33 +02:00
libavutil hwcontext_vulkan: free temporary array once unneeded 2023-06-15 22:00:41 +02:00
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libswresample Move bessel_i0() from swresample/resample to avutil/mathematics 2023-05-29 00:45:28 +02:00
libswscale swscale: bump minor for implementing support for the new pixfmts 2023-05-29 00:42:02 +02:00
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tests aarch64: Add cpu flags for the dotprod and i8mm extensions 2023-06-06 12:40:42 +03:00
tools tools/target_dec_fuzzer: Test lowres 2023-06-06 21:37:53 +02:00
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Changelog avfilter/vf_bwdif_cuda: CUDA accelerated bwdif deinterlacer 2023-06-16 12:52:32 -07:00
configure configure: fix evc related dependencies 2023-06-17 10:16:45 -03:00
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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.