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Aman Gupta b022d9ba28 avcodec/omx: fix xFramerate calculation 
Integer overflow in the Q16 framerate calculation was sending
invalid values to the OMX encoder.

On the RPI4, this manifested as bitrate controls being ignored
on video streams with 60000/1001 framerates. Video streams with
30000/1001 framerates were not affected.

Signed-off-by: Aman Gupta <aman@tmm1.net>
2019-09-02 13:46:11 -07:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc docs/formats: fix max_interleave_delta default 2019-09-02 21:44:25 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools: Use right function signature and pointers 2019-08-15 01:26:21 +02:00
libavcodec avcodec/omx: fix xFramerate calculation 2019-09-02 13:46:11 -07:00
libavdevice libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
libavfilter avfilter/vf_v360: remove not needed items from ThreadData 2019-09-02 16:45:55 +02:00
libavformat avformat/mpegtsenc: fix flushing of audio packets 2019-09-02 21:44:25 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/pixfmt: Add EBU Tech. 3213-E AVColorPrimaries value 2019-09-01 19:56:05 -03:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswscale lsws/ppc/yuv2rgb_altivec: Replace vec_lvsl/vec_perm with vec_xl 2019-08-13 02:21:24 +02:00
presets
tests avfilter/vf_stereo3d: improve dubois anaglyphs 2019-08-30 22:41:07 +02:00
tools tools/target_dec_fuzzer: adjust pixel threshold for TRUEMOTION2, as it allows coding gigantic images on tiny input 2019-08-31 18:34:05 +02:00
.gitattributes
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avcodec: add IMM5 decoder 2019-08-29 21:04:54 +02:00
configure configure: Update libmysofa check with a new symbol. 2019-09-02 19:06:24 +02:00
CONTRIBUTING.md
COPYING.GPLv2
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CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md LICENSE: Add missing libraries that need --enable-version3. 2019-08-12 02:25:39 +02:00
MAINTAINERS MAINTAINERS: add myself to OMX 2019-08-23 17:07:05 -07:00
Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +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 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.