mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-08-09 17:39:08 +00:00
c74f27955949dea8b2b33306cf0ea864ed7bf365
```
vf_quirc.c: In function 'filter_frame':
vf_quirc.c:104:46: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'int64_t' {aka 'long long int'} [-Wformat=]
104 | "Found count %d codes in image #%ld\n", codes_count, inl->frame_count_out);
| ~~^ ~~~~~~~~~~~~~~~~~~~~
| | |
| long int int64_t {aka long long int}
| %lld
```
…
…
FFmpeg README
FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
Libraries
libavcodecprovides implementation of a wider range of codecs.libavformatimplements streaming protocols, container formats and basic I/O access.libavutilincludes hashers, decompressors and miscellaneous utility functions.libavfilterprovides means to alter decoded audio and video through a directed graph of connected filters.libavdeviceprovides an abstraction to access capture and playback devices.libswresampleimplements audio mixing and resampling routines.libswscaleimplements 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,ismindexandqt-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.
Languages
C
88.9%
Assembly
8.4%
Makefile
1.4%
GLSL
0.4%
C++
0.3%
Other
0.4%