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Andreas Rheinhardt 7117e0c7be
avcodec/aacdec: Use same AACDecContext for fixed and float 
Up until now, there was one AACDecContext for the fixed
and one for the floating point decoder. These differed
mostly in certain arrays which were int for the fixed-point
and float for the floating point decoder; there were also
differences in corresponding function pointers.

Yet in order to deduplicate the enormous amount of currently
duplicated code between the float and the fixed-point decoder,
one needs common contexts. Given that int and float have the
same size on all common systems, this commit replaces these
arrays by unions of int arrays and of float arrays. The names
of these arrays have been chosen to be compatible with
AAC_RENAME().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2024-04-23 08:31:29 +02:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc avcodec/codec_internal: Remove FF_CODEC_CAP_ALLOCATE_PROGRESS 2024-04-19 13:18:04 +02:00
ffbuild ffbuild/libversion.sh: add shebang 2024-04-09 15:34:53 +02:00
fftools fftools/ffmpeg_filter: implement filtergraph chaining 2024-04-09 10:34:18 +02:00
libavcodec avcodec/aacdec: Use same AACDecContext for fixed and float 2024-04-23 08:31:29 +02:00
libavdevice avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libavfilter lavfi/tonemap_vaapi: Add support for HDR to HDR tone mapping 2024-04-18 14:43:07 +08:00
libavformat avformat/movenc: warn if dovi cfg ignored 2024-04-22 12:17:56 +02:00
libavutil avutil/frame: remove comment about avcodec_get_frame_class() 2024-04-18 12:24:43 -03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale: [LA] Optimize swscale funcs in input.c 2024-04-11 23:53:59 +02:00
presets
tests avutil/frame: add a flag to allow overwritting existing entries 2024-04-11 09:18:19 -03:00
tools tools/target_dec_fuzzer: Adjust threshold for RV30 2024-04-03 00:44:37 +02:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap .mailmap: Update my mailmap entry 2024-02-23 00:17:21 +01:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: Add pad_vaapi, drawbox_vaapi entry 2024-04-18 14:43:07 +08:00
configure configure: fix rpuenc typos 2024-04-22 17:20:16 -03:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as dvdvideo demuxer, rcwt muxer maintainer 2024-03-10 15:21:23 +01:00
Makefile tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.