FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.
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.
- ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
- ffplay is a minimalistic multimedia player.
- ffprobe is a simple analisys tool to inspect multimedia content.
- Additional small tools such as
aviocat
,ismindex
andqt-faststart
.
The offline documentation is available in the doc/ directory.
The online documentation is available in the main website and in the wiki.
Coding examples are available in the doc/examples directory.
FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.
DJI SDK uses FFmpeg as a static library (.so file). Our compiling processing is explained as follow:
The set-up : MacBook Pro Mid 2015 15-inch, running VMware Fusion Professional Version 8.5.6 (5234762), with image of ubuntu ubuntu-16.04.2-desktop-amd64.iso
- Edit the first line to match your NDK location.
- Find where
TOOLCHAINS_VERSION
was declared in the file and change it to your version. At this moment, DJI is using 4.9. - Also change the PLATFORM_VERSION to the latest one that comes with your Android SDK. At this moment, DJI is using 21.
- To build the .so file of FFmpeg for Android, execute build_android.sh
To build the .so file of FFmpeg for iOS, please execute build_iOS.sh