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Andreas Rheinhardt d08b2900a9 avcodec/svq1: Set hidden visibility 
The encoder uses ff_svq1_inter_mean_vlc + 256 and setting
hidden visibility allows to bake this "+ 256" into the
general offset of ff_svq1_inter_mean_vlc and the code
accessing it.

For certain arches, this is also required for the compiler
to not produce overtly pessimistic code that can't be fixed
up by the linker lateron.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-14 16:14:24 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc avutil/pixfmt.h: add native-endian RGB32F and RGBA32F formats 2022-10-11 16:31:15 -03:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg_opt: Use av_err2str 2022-10-14 12:19:13 +02:00
libavcodec avcodec/svq1: Set hidden visibility 2022-10-14 16:14:24 +02:00
libavdevice avformat/internal: Don't include avcodec.h 2022-09-26 03:02:50 +02:00
libavfilter lavfi/src_avsynctest: set video frame durations 2022-10-13 10:19:13 +02:00
libavformat lavf/async: Fix ring_write return value 2022-10-14 12:19:13 +02:00
libavutil riscv: fix scalar product initialisation 2022-10-13 10:17:38 +02:00
libpostproc configure: always enable gnu_windres if available 2022-08-13 14:42:36 +02:00
libswresample swsresample/swresample: error out on invalid layouts 2022-09-14 09:52:33 -03:00
libswscale libswscale: force a minimum size of the slide for bayer sources 2022-10-14 12:19:13 +02:00
presets
tests checkasm/idctdsp: Use declare_func_emms only when needed 2022-10-11 14:18:54 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for Jpeg2000 2022-09-16 21:30:59 +02:00
.gitattributes
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog avcodec: add a bsf to reorder DTS into PTS 2022-10-04 08:40:16 -03:00
configure avcodec/snow: Move initializing MotionEstContext to snowenc.c 2022-10-12 10:58:15 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: remove the project leader section 2022-09-23 16:06:11 +02:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
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.