How to reproduce: ./ffmpeg -f lavfi -i testsrc -c:v libx264 -g 25 -bsf:v h264_metadata=sei_user_data=186f3693-b7b3-4f2c-9653-21492feee5b8+hello -frames:v 1 h264.mp4 master: [Parsed_showinfo_0 @ 0x7fc8a0703180] UUID=186f3693-7030-4f2c-6030-21492feee5b8 [Parsed_showinfo_0 @ 0x7fc8a0703180] User Data=hello Applied the patch: [Parsed_showinfo_0 @ 0x7f969d408e00] UUID=186f3693-b7b3-4f2c-9653-21492feee5b8 [Parsed_showinfo_0 @ 0x7f969d408e00] User Data=hello Signed-off-by: Limin Wang <lance.lmwang@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
…
…
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 a mean to alter decoded Audio and Video through chain of 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.
Description
Languages
C
90.6%
Assembly
7.5%
Makefile
1.3%
C++
0.2%
Objective-C
0.1%
Other
0.1%