How to build OpenAL-Soft and set up it in Qt Creator for Android

[JoeCFD]

@8Observer8 Great it works for you with JDK 17. You can still build OpenAL-Soft to dynamic lib and add it to your app for Android. It does not violate LGPL-license.

[8Observer8]

@JoeCFD what do you think about this? https://github.com/AerialX/openal-soft-android How to build it?

[8Observer8]

Does anyone have compiled libraries (.so) of OpenAL-Soft for Android? I mean armeabi-v7a and x86_64. I can't find step by step instructions.

[JoeCFD]

@8Observer8 you may need to change CMakefile or create a pro file for Android. And build it for Android. It is just another project.

[JoeCFD]

@JoeCFD A lazy way to do it is that you find out all settings(flags and libs) for Android build in the Makefile(made from pro or cmakefile) of your Android project. Then, you open CMakefile of OpenAL-Soft with cmake-gui and add(or replace) all these settings to the corresponding locations. Do make and you will get the right lib for Android. I did it once for some testing and it worked.

Sure it is better to do it properly. It should not be that hard.

[8Observer8]

I found the simples way! I just download these sources: https://github.com/AerialX/openal-soft-android and built it using CMake. The libopenal.so library was created. I created the "Play" button. I built my first app that plays music using OpenAL! It works on my smartphone! It's cool!

My step-by-step guide for Qt 6.2.4 MinGW 64-bit:

• Download these sources: https://github.com/AerialX/openal-soft-android
• Download CMake (add it to the Path variable): https://cmake.org/download/
• Go to openal-soft-android from the console (cd openal-soft-android)
• Copy the next commands to the console (don't forget to change the path to your android.toolchain.cmake)

cmake -G "MinGW Makefiles" -S . -B ./build -DCMAKE_TOOLCHAIN_FILE=E:\AppData\Android\SDK\ndk\22.1.7171670\build\cmake\android.toolchain.cmake -DANDROID_ABI=armeabi-v7a -DANDROID_NATIVE_API_LEVEL=29

cmake --build ./build -j 4

The libopenal.so will be created. Create a new Qt project. Create the jniLibs/armeabi-v7a folder inside of your Qt project. And copy libopenal.so inside of jniLibs/armeabi-v7a.

Create the libs\openal-soft\include folder inside of your Qt project and copy the AL folder there.

Add these settings to your pro-file:

INCLUDEPATH += $$PWD/libs/openal-soft/include

contains(ANDROID_TARGET_ARCH, armeabi-v7a)
{
    ANDROID_EXTRA_LIBS += $$PWD/jniLibs/armeabi-v7a/libopenal.so
}

Added 2/25/2024

I use these settings to run on Windows, real device, and Android Emulator:

CONFIG("windows") {
    INCLUDEPATH += $$PWD/libs/openal-soft-desktop-1.23.1/include
    LIBS += -L$$PWD/libs/openal-soft-desktop-1.23.1/lib/x64
    LIBS += -lOpenAL32.dll
}

CONFIG("armeabi-v7a") {
    INCLUDEPATH += $$PWD/libs/openal-soft-android/include
    contains(ANDROID_TARGET_ARCH, armeabi-v7a)
    {
        ANDROID_EXTRA_LIBS += $$PWD/jniLibs/armeabi-v7a/libopenal.so
    }
}

CONFIG("x86") {
    INCLUDEPATH += $$PWD/libs/openal-soft-android/include
    contains(ANDROID_TARGET_ARCH, x86)
    {
        ANDROID_EXTRA_LIBS += $$PWD/jniLibs/x86/libopenal.so
    }
}

[florbermudez]

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