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05086a6c93
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Andreas Rheinhardt 05086a6c93 avcodec/mjpegdec: Only use receive_frame for SMVJPEG 
Only one codec using mjpegdec.c actually creates multiple
frames from a single packet, namely SMVJPEG. The other can
use the ordinary decode callback just fine. This e.g. has
the advantage of confining the special SP5X/AMV code to sp5xdec.c.

This reverts most of commit e9a2a8777317d91af658f774c68442ac4aa726ec;
of course it is not a simple revert: Way too much has changed;
furthermore, outright reverting the sp5xdec.c changes would readd
a stack packet to sp5x_decode_frame() which is not desired.
In order to avoid this without modifying the given AVPacket,
a variant of ff_mjpeg_decode_frame() with explicit buf and size
parameters has been added.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-12-10 21:15:27 +01:00
compat
doc lavc: add new unsafe_output hwaccel_flag 2022-12-10 00:52:33 +01:00
ffbuild
fftools
libavcodec avcodec/mjpegdec: Only use receive_frame for SMVJPEG 2022-12-10 21:15:27 +01:00
libavdevice
libavfilter avfilter/drawutils: rgb48/bgr48 is supported 2022-12-10 14:57:05 +01:00
libavformat
libavutil lavu/pixdesc: handle xv30be in av_[read|write]_image_line 2022-12-08 21:15:44 -08:00
libpostproc
libswresample
libswscale
presets
tests avfilter/drawutils: rgb48/bgr48 is supported 2022-12-10 14:57:05 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for RSCC 2022-12-01 21:43:57 +01:00
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configure avfilter/vf_bm3d: switch to TX from lavu 2022-12-04 23:02:07 +01:00
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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.