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984d0b6e6f
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Chema Gonzalez 984d0b6e6f pixdesc: add limited|full aliases for -color_range parameter 
Aliases are also used in scale and zscale filters.

Tested:
```
$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range unknown /tmp/unknown.y4m
...
$ md5sum /tmp/unknown.y4m
69aa7bf52bbd72444268a544c81d7643  /tmp/unknown.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range tv /tmp/tv.y4m
...
$ md5sum /tmp/tv.y4m
5c1c8759708ff6b25dd8a660da5200e7  /tmp/tv.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range pc /tmp/pc.y4m
...
$ md5sum /tmp/pc.y4m
1ccb85d14a3dfecb22e625711587ba97  /tmp/pc.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range limited /tmp/limited.y4m
...
$ md5sum /tmp/limited.y4m
5c1c8759708ff6b25dd8a660da5200e7  /tmp/limited.y4m

$ ./ffmpeg -hide_banner -y -i ~/src/media/images/y4m/lena.490x490.y4m  -pix_fmt yuv420p -color_range full /tmp/full.y4m
...
$ md5sum /tmp/full.y4m
1ccb85d14a3dfecb22e625711587ba97  /tmp/full.y4m
```

Also ran fate.
```
$ make fate -j
...
TEST    ffprobe_xsd
TEST    flv-add_keyframe_index
```
2023-09-23 15:58:14 +01:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc pixdesc: add limited|full aliases for -color_range parameter 2023-09-23 15:58:14 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg: deprecate the -top option 2023-09-18 17:16:06 +02:00
libavcodec pixdesc: add limited|full aliases for -color_range parameter 2023-09-23 15:58:14 +01:00
libavdevice avdevice/android_camera: fix missing include for usleep 2023-09-19 00:39:47 +08:00
libavfilter lavfi/vf_libvmaf: add warning when color ranges differ 2023-09-23 15:55:50 +01:00
libavformat avformat/mov: Avoid cloning encryption info if its unchanged 2023-09-22 23:47:39 +02:00
libavutil avutil/avutil: make AV_TIME_BASE_Q available in C++ 2023-09-19 00:52:21 +08:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample libswresample: Prevent out of bounds. 2023-08-02 17:31:13 +02:00
libswscale avutil/internal: Don't auto-include emms.h 2023-09-04 11:04:45 +02:00
presets
tests lavc/av1: Add unit test for level handling 2023-09-22 13:15:01 +08:00
tools tools/target_dec_fuzzer: Adjust threshold for rtv1 2023-09-22 23:47:40 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog lavc/vaapi_encode: Add VAAPI AV1 encoder 2023-09-22 13:15:00 +08:00
configure lavc/vaapi_encode: Add VAAPI AV1 encoder 2023-09-22 13:15:00 +08:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
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: change Leo Izen IRC nickname 2023-06-20 12:46:47 -04:00
Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2023-03-28 13:00:42 +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.