RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-24 00:02:52 +00:00
Code Issues Projects Releases Wiki Activity
FFmpeg git repo
95,221 Commits 37 Branches 400 Tags 244 MiB
C 90.3%
Assembly 7.8%
Makefile 1.3%
C++ 0.2%
Objective-C 0.2%
Other 0.1%
9f353e376b
Go to file
Mengye Lv 9f353e376b avutil/common: Fix underflow for ROUNDED_DIV with unsigned integer 
When used ROUNDED_DIV(a,b), if a is unsigned integer zero, it's
will lead to an underflow issue(it called unsigned integer
wrapping).

Fixes #8062

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Mengye Lv <mengyelv@tencent.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
2019-10-06 17:28:29 +08:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc doc/filters: fix typo 2019-10-03 17:58:46 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools cmdutils: trailing options may be ignored 2019-10-01 10:43:37 -08:00
libavcodec avcodec/tiff: Set FF_CODEC_CAP_INIT_CLEANUP 2019-10-03 19:37:35 +02:00
libavdevice libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
libavfilter avfilter/vsrc_sierpinski: add triangle type 2019-10-03 14:21:39 +02:00
libavformat avformat/matroskadec: don't rescale mastering display values 2019-10-05 22:37:41 -03:00
libavresample
libavutil avutil/common: Fix underflow for ROUNDED_DIV with unsigned integer 2019-10-06 17:28:29 +08:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale: Fix AltiVec/VSX build with recent GCC 2019-10-04 08:58:17 +03:00
presets
tests FATE/dnn: fix stack buffer overflow 2019-10-04 09:58:22 -03:00
tools tools/target_dec_fuzzer: Adjust VP7 threshold 2019-09-29 22:18:58 +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 libavfilter: add photosensitivity filter 2019-09-30 20:21:27 +02:00
configure configure: check for a sufficiently recent enough AMF version 2019-09-09 09:56:12 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
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
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.