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ffmpeg-android-maker/README.md

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# ffmpeg-android-maker
Here is a script that downloads the source code of [FFmpeg](https://www.ffmpeg.org) library and assembles it for Android. The script produces shared libraries as well as header files. The output structure looks like this:
<img src="https://github.com/Javernaut/ffmpeg-android-maker/blob/master/images/output_structure.png" width="200">
The actual content of all this directories depends on how the FFmpeg was configured before assembling. For my purpose I enabled only *libavcodec*, *libavformat* and *libavutil*, but you can set your own configuration to make the FFmpeg you need.
The version of FFmpeg here is **4.1.2**. And the script expects to use Android NDK **r19** (*b* and *c* also work as well as *r20-beta1*). Starting with FFmpeg 4.1 and NDK r19 the whole process became much simpler.
## Supported architectures
* armeabi-v7a
* arm64-v8a
* x86
* x86_64
## Prerequisites
You have to define an environment variable `ANDROID_NDK_HOME` and set the correct path to your Android NDK.
## How to use
Well, just execute the script :) Examine the `output` directory after.
And the actual Android app can be found [here](https://github.com/Javernaut/WhatTheCodec)
## Known issues:
The x86 binary doesn't have assembler optimizations, since they bring text relocations. So it may encounter certain performance issues. The x86_64 doesn't have this problem though.