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FFmpeg git repo
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Omar Emara 04b37b5d7f avdevice/xcbgrab: Add select_region option 
This patch adds a select_region option to the xcbgrab input device.
If set to 1, the user will be prompted to select the grabbing area
graphically by clicking and dragging. A rectangle will be drawn to
mark the grabbing area. A single click with no dragging will select
the whole screen. The option overwrites the video_size, grab_x, and
grab_y options if set by the user.

For testing, just set the select_region option as follows:

ffmpeg -f x11grab -select_region 1 -i :0.0 output.mp4

The drawing happens directly on the root window using standard rubber
banding techniques, so it is very efficient and doesn't depend on any
X extensions or compositors.

Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com>
Signed-off-by: Omar Emara <mail@OmarEmara.dev>
 		2020-11-06 23:25:13 -05:00
compat avfilter/scale_cuda: add lanczos algorithm 2020-11-04 01:43:21 +01:00
doc avdevice/xcbgrab: Add select_region option 2020-11-06 23:25:13 -05:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools fftools/ffmpeg: fix the wrong bitrate and speed stats 2020-10-31 09:49:10 +08:00
libavcodec avcodec/truemotion2: Allocate buffers together 2020-11-06 13:57:49 +01:00
libavdevice avdevice/xcbgrab: Add select_region option 2020-11-06 23:25:13 -05:00
libavfilter avfilter/vf_unsharp: add more pixel format support 2020-11-07 10:09:59 +08:00
libavformat avformat/rtsp: support infinite initial_timeout for rtsp option 2020-11-07 10:13:29 +08:00
libavresample
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libavutil avutil/hwcontext_cuda: fix edge case with non-even frame heights 2020-11-04 01:36:48 +01:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale swscale/x86/yuv2rgb: fix crashes when loading alpha from unaligned buffers 2020-11-02 00:31:34 +01:00
presets
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tests fate/filter-video: add 10bit test for unsharp filter 2020-11-07 10:09:59 +08:00
tools tools/target_dec_fuzzer: adjust threshold for wmalossless 2020-10-25 09:49:56 +01:00
.gitattributes
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.gitignore
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.mailmap mailmap: add entry for myself 2020-07-13 11:24:04 +08:00
.travis.yml
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CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avfilter: add adenorm filter 2020-11-05 18:26:27 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: remove my public key fingerprint 2020-09-20 15:08:18 -08:00
Makefile Add support for building fuzzer tools for an individual demuxer 2020-10-12 21:01:48 +02:00
README.md
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RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +02:00
configure avcodec: add av1 VAAPI decoder 2020-11-02 22:57:23 +00:00

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 a mean to alter decoded Audio and Video through chain of 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.