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README.md
FFmpegKit

FFmpeg kit for applications. Supports Android, iOS, tvOS.
1. Features
-
Includes both
FFmpegandFFprobe -
Use binaries available at
Github/JCenter/CocoaPodsor build your own version with external libraries you need -
Supports
-
Android, iOS and tvOS
-
FFmpeg
v4.4-devreleases -
29 external libraries
chromaprint,fontconfig,freetype,fribidi,gmp,gnutls,kvazaar,lame,libaom,libass,libiconv,libilbc,libtheora,libvorbis,libvpx,libwebp,libxml2,opencore-amr,openh264,opus,sdl,shine,snappy,soxr,speex,tesseract,twolame,vo-amrwbenc,wavpack -
5 external libraries with GPL license
rubberband,vid.stab,x264,x265,xvidcore -
Concurrent execution
-
-
Exposes both FFmpeg library and FFmpegKit wrapper library capabilities
-
Includes cross-compile instructions for 48 open-source libraries
chromaprint,expat,ffmpeg,fontconfig,freetype,fribidi,giflib,gmp,gnutls,harfbuzz,kvazaar,lame,leptonica,libaom,libass,libiconv,libilbc,libjpeg,libjpeg-turbo,libogg,libpng,libsamplerate,libsndfile,libtheora,libuuid,libvorbis,libvpx,libwebp,libxml2,nettle,opencore-amr,openh264,opus,rubberband,sdl,shine,snappy,soxr,speex,tesseract,tiff,twolame,vid.stab,vo-amrwbenc,wavpack,x264,x265,xvidcore -
Licensed under LGPL 3.0, can be customized to support GPL v3.0
1.1 Android
- Builds
arm-v7a,arm-v7a-neon,arm64-v8a,x86andx86_64architectures - Supports
zlibandMediaCodecsystem libraries - Camera access on supported devices
- Builds shared native libraries (.so)
- Creates Android archives with .aar extension
- Supports
API Level 16+
1.2 iOS
- Builds
armv7,armv7s,arm64,arm64e,i386,x86_64andx86_64(Mac Catalyst) architectures - Supports
bzip2,iconv,libuuid,zlibsystem libraries andAudioToolbox,VideoToolbox,AVFoundationsystem frameworks - Objective-C API
- Camera access
ARCenabled library- Built with
-fembed-bitcodeflag - Creates static frameworks, static xcframeworks and static universal (fat) libraries (.a)
- Supports
iOS SDK 9.3or later
1.3 tvOS
- Builds
arm64andx86_64architectures - Supports
bzip2,iconv,libuuid,zlibsystem libraries andAudioToolbox,VideoToolboxsystem frameworks - Objective-C API
ARCenabled library- Built with
-fembed-bitcodeflag - Creates static frameworks and static universal (fat) libraries (.a)
- Supports
tvOS SDK 9.2or later
2. Using
Prebuilt binaries are available at Github, JCenter and CocoaPods.
2.1 Packages
There are eight different ffmpeg-kit packages. Below you can see which system libraries and external libraries are enabled in each of package.
Please remember that some parts of FFmpeg are licensed under the GPL and only GPL licensed ffmpeg-kit packages include them.
| min | min-gpl | https | https-gpl | audio | video | full | full-gpl | |
|---|---|---|---|---|---|---|---|---|
| external libraries | - | vid.stab x264 x265 xvidcore |
gmp gnutls |
gmp gnutls vid.stab x264 x265 xvidcore |
lame libilbc libvorbis opencore-amr opus shine soxr speex twolame vo-amrwbenc wavpack |
fontconfig freetype fribidi kvazaar libaom libass libiconv libtheora libvpx libwebp snappy |
fontconfig freetype fribidi gmp gnutls kvazaar lame libaom libass libiconv libilbc libtheora libvorbis libvpx libwebp libxml2 opencore-amr opus shine snappy soxr speex twolame vo-amrwbenc wavpack |
fontconfig freetype fribidi gmp gnutls kvazaar lame libaom libass libiconv libilbc libtheora libvorbis libvpx libwebp libxml2 opencore-amr opus shine snappy soxr speex twolame vid.stab vo-amrwbenc wavpack x264 x265 xvidcore |
| android system libraries | zlib MediaCodec |
|||||||
| ios system libraries | zlib AudioToolbox AVFoundation iconv VideoToolbox bzip2 |
|||||||
| tvos system libraries | zlib AudioToolbox iconv VideoToolbox bzip2 |
|||||||
AVFoundationis not available ontvOS,VideoToolboxis not available ontvOSLTS releases
2.2 Android
-
Add FFmpegKit dependency to your
build.gradleinffmpeg-kit-<package name>pattern.dependencies { implementation 'com.arthenica:ffmpeg-kit-full:4.4' } -
Execute synchronous FFmpeg commands.
import com.arthenica.ffmpegkit.Config; import com.arthenica.ffmpegkit.FFmpeg; int rc = FFmpeg.execute("-i file1.mp4 -c:v mpeg4 file2.mp4"); if (rc == RETURN_CODE_SUCCESS) { Log.i(Config.TAG, "Command execution completed successfully."); } else if (rc == RETURN_CODE_CANCEL) { Log.i(Config.TAG, "Command execution cancelled by user."); } else { Log.i(Config.TAG, String.format("Command execution failed with rc=%d and the output below.", rc)); Config.printLastCommandOutput(Log.INFO); } -
Execute asynchronous FFmpeg commands.
import com.arthenica.ffmpegkit.Config; import com.arthenica.ffmpegkit.FFmpeg; long executionId = FFmpeg.executeAsync("-i file1.mp4 -c:v mpeg4 file2.mp4", new ExecuteCallback() { @Override public void apply(final long executionId, final int returnCode) { if (returnCode == RETURN_CODE_SUCCESS) { Log.i(Config.TAG, "Async command execution completed successfully."); } else if (returnCode == RETURN_CODE_CANCEL) { Log.i(Config.TAG, "Async command execution cancelled by user."); } else { Log.i(Config.TAG, String.format("Async command execution failed with returnCode=%d.", returnCode)); } } }); -
Execute FFprobe commands.
import com.arthenica.ffmpegkit.Config; import com.arthenica.ffmpegkit.FFprobe; int rc = FFprobe.execute("-i file1.mp4"); if (rc == RETURN_CODE_SUCCESS) { Log.i(Config.TAG, "Command execution completed successfully."); } else { Log.i(Config.TAG, String.format("Command execution failed with rc=%d and the output below.", rc)); Config.printLastCommandOutput(Log.INFO); } -
Check execution output later.
int rc = Config.getLastReturnCode(); if (rc == RETURN_CODE_SUCCESS) { Log.i(Config.TAG, "Command execution completed successfully."); } else if (rc == RETURN_CODE_CANCEL) { Log.i(Config.TAG, "Command execution cancelled by user."); } else { Log.i(Config.TAG, String.format("Command execution failed with rc=%d and the output below.", rc)); Config.printLastCommandOutput(Log.INFO); } -
Stop ongoing FFmpeg operations.
- Stop all executions
FFmpeg.cancel(); - Stop a specific execution
FFmpeg.cancel(executionId);
- Stop all executions
-
Get media information for a file.
MediaInformation info = FFprobe.getMediaInformation("<file path or uri>"); -
Record video using Android camera.
FFmpeg.execute("-f android_camera -i 0:0 -r 30 -pixel_format bgr0 -t 00:00:05 <record file path>"); -
Enable log callback.
Config.enableLogCallback(new LogCallback() { public void apply(LogMessage message) { Log.d(Config.TAG, message.getText()); } }); -
Enable statistics callback.
Config.enableStatisticsCallback(new StatisticsCallback() { public void apply(Statistics newStatistics) { Log.d(Config.TAG, String.format("frame: %d, time: %d", newStatistics.getVideoFrameNumber(), newStatistics.getTime())); } }); -
Ignore the handling of a signal.
Config.ignoreSignal(Signal.SIGXCPU); -
List ongoing executions.
final List<FFmpegExecution> ffmpegExecutions = FFmpeg.listExecutions(); for (int i = 0; i < ffmpegExecutions.size(); i++) { FFmpegExecution execution = ffmpegExecutions.get(i); Log.d(TAG, String.format("Execution %d = id:%d, startTime:%s, command:%s.", i, execution.getExecutionId(), execution.getStartTime(), execution.getCommand())); } -
Set default log level.
Config.setLogLevel(Level.AV_LOG_FATAL); -
Register custom fonts directory.
Config.setFontDirectory(this, "<folder with fonts>", Collections.EMPTY_MAP);
2.3 iOS / tvOS
-
Add FFmpegKit dependency to your
Podfileinffmpeg-kit-<package name>pattern.- iOS
pod 'ffmpeg-kit-full', '~> 4.4'- tvOS
pod 'ffmpeg-kit-tvos-full', '~> 4.4' -
Execute synchronous FFmpeg commands.
#import <ffmpegkit/FFmpegKitConfig.h> #import <ffmpegkit/FFmpegKit.h> int rc = [FFmpegKit execute: @"-i file1.mp4 -c:v mpeg4 file2.mp4"]; if (rc == RETURN_CODE_SUCCESS) { NSLog(@"Command execution completed successfully.\n"); } else if (rc == RETURN_CODE_CANCEL) { NSLog(@"Command execution cancelled by user.\n"); } else { NSLog(@"Command execution failed with rc=%d and output=%@.\n", rc, [FFmpegKitConfig getLastCommandOutput]); } -
Execute asynchronous FFmpeg commands.
#import <ffmpegkit/FFmpegKitConfig.h> #import <ffmpegkit/FFmpegKit.h> long executionId = [FFmpegKit executeAsync:@"-i file1.mp4 -c:v mpeg4 file2.mp4" withCallback:self]; - (void)executeCallback:(long)executionId :(int)returnCode { if (rc == RETURN_CODE_SUCCESS) { NSLog(@"Async command execution completed successfully.\n"); } else if (rc == RETURN_CODE_CANCEL) { NSLog(@"Async command execution cancelled by user.\n"); } else { NSLog(@"Async command execution failed with rc=%d.\n", rc); } } -
Execute FFprobe commands.
#import <ffmpegkit/FFmpegKitConfig.h> #import <ffmpegkit/FFprobeKit.h> int rc = [FFprobeKit execute: @"-i file1.mp4"]; if (rc == RETURN_CODE_SUCCESS) { NSLog(@"Command execution completed successfully.\n"); } else if (rc == RETURN_CODE_CANCEL) { NSLog(@"Command execution cancelled by user.\n"); } else { NSLog(@"Command execution failed with rc=%d and output=%@.\n", rc, [FFmpegKitConfig getLastCommandOutput]); } -
Check execution output later.
int rc = [FFmpegKitConfig getLastReturnCode]; NSString *output = [FFmpegKitConfig getLastCommandOutput]; if (rc == RETURN_CODE_SUCCESS) { NSLog(@"Command execution completed successfully.\n"); } else if (rc == RETURN_CODE_CANCEL) { NSLog(@"Command execution cancelled by user.\n"); } else { NSLog(@"Command execution failed with rc=%d and output=%@.\n", rc, output); } -
Stop ongoing FFmpeg operations.
- Stop all executions
[FFmpegKit cancel]; - Stop a specific execution
[FFmpegKit cancel:executionId];
- Stop all executions
-
Get media information for a file.
MediaInformation *mediaInformation = [FFprobeKit getMediaInformation:@"<file path or uri>"]; -
Record video and audio using iOS camera. This operation is not supported on
tvOSsinceAVFoundationis not available ontvOS.[FFmpegKit execute: @"-f avfoundation -r 30 -video_size 1280x720 -pixel_format bgr0 -i 0:0 -vcodec h264_videotoolbox -vsync 2 -f h264 -t 00:00:05 %@", recordFilePath]; -
Enable log callback.
[FFmpegKitConfig setLogDelegate:self]; - (void)logCallback:(long)executionId :(int)level :(NSString*)message { dispatch_async(dispatch_get_main_queue(), ^{ NSLog(@"%@", message); }); } -
Enable statistics callback.
[FFmpegKitConfig setStatisticsDelegate:self]; - (void)statisticsCallback:(Statistics *)newStatistics { dispatch_async(dispatch_get_main_queue(), ^{ NSLog(@"frame: %d, time: %d\n", newStatistics.getVideoFrameNumber, newStatistics.getTime); }); } -
Ignore the handling of a signal.
[FFmpegKitConfig ignoreSignal:SIGXCPU]; -
List ongoing executions.
NSArray* ffmpegExecutions = [FFmpegKit listExecutions]; for (int i = 0; i < [ffmpegExecutions count]; i++) { FFmpegExecution* execution = [ffmpegExecutions objectAtIndex:i]; NSLog(@"Execution %d = id: %ld, startTime: %@, command: %@.\n", i, [execution getExecutionId], [execution getStartTime], [execution getCommand]); } -
Set default log level.
[FFmpegKitConfig setLogLevel:AV_LOG_FATAL]; -
Register custom fonts directory.
[FFmpegKitConfig setFontDirectory:@"<folder with fonts>" with:nil];
2.4 Manual Installation
2.4.1 Android
You can import FFmpegKit aar packages in Android Studio using the File -> New -> New Module -> Import .JAR/.AAR Package menu.
2.4.2 iOS / tvOS
iOS and tvOS frameworks can be installed manually using the Importing Frameworks guide. If you want to use universal binaries please refer to Using Universal Binaries guide.
2.5 Test Application
You can see how FFmpegKit is used inside an application by running test applications provided.
There is an Android test application under the android/test-app folder, an iOS test application under the
ios/test-app folder and a tvOS test application under the tvos/test-app folder.
All applications are identical and supports command execution, video encoding, accessing https, encoding audio, burning subtitles, video stabilisation, pipe operations and concurrent command execution.
3. Versions
devpart inFFmpegversion number indicates thatFFmpegsource is pulled from theFFmpegmasterbranch. Exact version number is obtained usinggit describe --tags.
| FFmpegKit Version | FFmpeg Version | Release Date |
|---|---|---|
| 4.4 | 4.4-dev-416 | Jul 25, 2020 |
| 4.4.LTS | 4.4-dev-416 | Jul 24, 2020 |
4. LTS Releases
FFmpegKit binaries are published in two release variants: Main Release and LTS Release.
-
Main releases include complete functionality of the library and support the latest SDK/API features.
-
LTS releases are customized to support a wider range of devices. They are built using older API/SDK versions, so some features are not available on them.
This table shows the differences between two variants.
| Main Release | LTS Release | |
|---|---|---|
| Android API Level | 24 | 16 |
| Android Camera Access | Yes | - |
| Android Architectures | arm-v7a-neon arm64-v8a x86 x86-64 |
arm-v7a arm-v7a-neon arm64-v8a x86 x86-64 |
| Xcode Support | 10.1 | 7.3.1 |
| iOS SDK | 12.1 | 9.3 |
| iOS AVFoundation | Yes | - |
| iOS Architectures | arm64 x86-64 x86-64-mac-catalyst |
armv7 arm64 i386 x86-64 |
| tvOS SDK | 10.2 | 9.2 |
| tvOS Architectures | arm64 x86-64 |
arm64 x86-64 |
5. Building
Build scripts from master and development branches are tested periodically. See the latest status from the table below.
| branch | status |
|---|---|
| master | |
| development |
5.1 Prerequisites
-
Use your package manager (apt, yum, dnf, brew, etc.) to install the following packages.
autoconf automake libtool pkg-config curl cmake gcc gperf texinfo yasm nasm bison autogen patch git
Some of these packages are not mandatory for the default build. Please visit Android Prerequisites, iOS Prerequisites and tvOS Prerequisites for the details.
-
Android builds require these additional packages.
- Android SDK 4.1 Jelly Bean (API Level 16) or later
- Android NDK r21 or later with LLDB and CMake
-
iOS builds need these extra packages and tools.
- Xcode 7.3.1 or later
- iOS SDK 9.3 or later
- Command Line Tools
-
tvOS builds need these extra packages and tools.
- Xcode 7.3.1 or later
- tvOS SDK 9.2 or later
- Command Line Tools
5.2 Build Scripts
Use android.sh, ios.sh and tvos.sh to build FFmpegKit for each platform.
All three scripts support additional options and can be customized to enable/disable specific external libraries and/or architectures. Please refer to wiki pages of android.sh, ios.sh and tvos.sh to see all available build options.
5.2.1 Android
export ANDROID_SDK_ROOT=<Android SDK Path>
export ANDROID_NDK_ROOT=<Android NDK Path>
./android.sh
5.2.2 iOS
./ios.sh
5.2.3 tvOS
./tvos.sh
5.2.4 Building LTS Binaries
Use --lts option to build lts binaries for each platform.
5.3 Build Output
All libraries created by the top level build scripts (android.sh, ios.sh and tvos.sh) can be found under
the prebuilt directory.
Androidarchive (.aar file) is located under theandroid-aarfolderiOSframeworks are located under theios-frameworkfolderiOSxcframeworks are located under theios-xcframeworkfolderiOSuniversal binaries are located under theios-universalfoldertvOSframeworks are located under thetvos-frameworkfoldertvOSuniversal binaries are located under thetvos-universalfolder
5.4 GPL Support
It is possible to enable GPL licensed libraries x264, xvidcore, vid.stab, x265 andrubberband from the top
level build scripts. Their source code is not included in the repository and downloaded when enabled.
5.5 External Libraries
build directory includes build scripts of all external libraries. Two scripts exist for each external library,
one for Android and one for iOS / tvOS. Each of these two scripts contains options/flags used to cross-compile the
library on the specified platform.
CPU optimizations (ASM) are enabled for most of the external libraries. Details and exceptions can be found under the
ASM Support wiki page.
6. Documentation
A more detailed documentation is available at Wiki.
8. License
FFmpegKit is licensed under the LGPL v3.0. However, if source code is built using the optional --enable-gpl flag
or prebuilt binaries with -gpl postfix are used, then FFmpegKit is subject to the GPL v3.0 license.
The source code of all external libraries included is in compliance with their individual licenses.
openh264 source code included in this repository is licensed under the 2-clause BSD License but this license does
not cover the MPEG LA licensing fees. If you build ffmpeg-kit with openh264 and distribute that library, then
you are subject to pay MPEG LA licensing fees. Refer to OpenH264 FAQ page for
the details. Please note that ffmpeg-kit does not publish a binary with openh264 inside.
strip-frameworks.sh script included and distributed (until v4.x) is published under the
Apache License version 2.0.
In test applications; embedded fonts are licensed under the SIL Open Font License, other digital assets are published in the public domain.
Please visit License page for the details.
9. Patents
It is not clearly explained in their documentation but it is believed that FFmpeg, kvazaar, x264 and x265
include algorithms which are subject to software patents. If you live in a country where software algorithms are
patentable then you'll probably need to pay royalty fees to patent holders. We are not lawyers though, so we recommend
that you seek legal advice first. See FFmpeg Patent Mini-FAQ.
openh264 clearly states that it uses patented algorithms. Therefore, if you build ffmpeg-kit with openh264 and
distribute that library, then you are subject to pay MPEG LA licensing fees. Refer to
OpenH264 FAQ page for the details.
10. Contributing
Feel free to submit issues or pull requests.
Please note that master includes only the latest released source code. Changes planned for the next release are
implemented under the development branch. Therefore, if you want to create a pull request, please open it against
the development.