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ffmpeg_4.4.2
Javernaut 5 years ago
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README.md
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@ -8,13 +8,19 @@ Here is a script that downloads the source code of [FFmpeg](https://www.ffmpeg.o
The actual content of all this directories depends on how the FFmpeg was configured before assembling. For my purpose I enabled only *libavcodec*, *libavformat*, *libavutil* and *libswscale*, but you can set your own configuration to make the FFmpeg you need. The actual content of all this directories depends on how the FFmpeg was configured before assembling. For my purpose I enabled only *libavcodec*, *libavformat*, *libavutil* and *libswscale*, but you can set your own configuration to make the FFmpeg you need.
The version of FFmpeg here by default is **4.2.1** (but can be overridden). And the script expects to use **at least** Android NDK **r19** (*r20* also works ok). The version of FFmpeg here by default is **4.2.1** (but can be overridden). And the script expects to use **at least** Android NDK **r19** (both *r20* and *r21* also work ok).
The details of how this script is implemented are described in [this blog post](https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-i-compilation-898e4a249422). The details of how this script is implemented are described in this series of posts:
* [Part 1](https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-i-compilation-898e4a249422)
* [Part 2](https://proandroiddev.com/a-story-about-ffmpeg-in-android-part-ii-integration-55fb217251f0)
The [WIKI](https://github.com/Javernaut/ffmpeg-android-maker/wiki) contains a lot of useful information.
Actual Android app that uses the output of the script can be found [here](https://github.com/Javernaut/WhatTheCodec).
## Supported Android ABIs ## Supported Android ABIs
* armeabi-v7a * armeabi-v7a (with NEON)
* arm64-v8a * arm64-v8a
* x86 * x86
* x86_64 * x86_64
@ -23,7 +29,7 @@ The details of how this script is implemented are described in [this blog post](
On **macOS** or **Linux** just execute the script in terminal. On **macOS** or **Linux** just execute the script in terminal.
It is also possible to execute this script on a **Windows** machine with [MSYS2](https://www.msys2.org). You also need to install specific packages to it: *make*, *git*, *diffutils* and *tar*. The script supports both 32-bit and 64-bit versions of Windows. It is also possible to execute this script on a **Windows** machine with [MSYS2](https://www.msys2.org). You also need to install specific packages to it: *make*, *git*, *diffutils* and *tar*. The script supports both 32-bit and 64-bit versions of Windows. Also see Prerequisites section for necessary software.
## Prerequisites ## Prerequisites
@ -31,16 +37,14 @@ You have to define two environment variables:
* `ANDROID_SDK_HOME` - path to your Android SDK * `ANDROID_SDK_HOME` - path to your Android SDK
* `ANDROID_NDK_HOME` - path to your Android NDK * `ANDROID_NDK_HOME` - path to your Android NDK
Also, if you want to build *libaom*, then you have to install cmake;3.10.2.4988404 package via Android SDK. Also, if you want to build **libaom**, then you have to install the cmake;3.10.2.4988404 package via Android SDK.
## See it in action For **libdav1d** building you also need to install *ninja* and *meson* tools.
Actual Android app that uses the output of the script can be found [here](https://github.com/Javernaut/WhatTheCodec).
## Features ## Features
**Setting your own FFmpeg version**. You can actually override the version of FFmpeg used by the script. See details [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/Setting-the-FFmpeg-version). **Setting your own FFmpeg version and origin**. You can actually override the version of FFmpeg used by the script. See details [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/Setting-the-FFmpeg-version).
**Test your script in a cloud**. This repository has CI integration and you can use it too for your own configurations of FFmpeg. See details [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/Build-automation). **Test your script in a cloud**. This repository has CI integration and you can use it too for your own configurations. See details [here](https://github.com/Javernaut/ffmpeg-android-maker/wiki/Build-automation).
**Text relocations monitoring**. After a build you can look into stats/text-relocations.txt file. That file lists all *.so files that were built and reports if they have text relocations. If you don't see any mentioning of 'TEXTREL' in the file, you are good. Otherwise, you will see exact binaries that have this problem. **Text relocations monitoring**. After an assembling is finished you can look into stats/text-relocations.txt file. That file lists all *.so files that were built and reports if any of them have text relocations. If you don't see any mentioning of 'TEXTREL' in the file, you are good. Otherwise, you will see exact binaries that have this problem.

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