manfreddiaz / openal-android-sample

A working sample of openal4android library.

OpenAL for Android Sample

At this point, it is hard to find some working examples of 3D audio/spatialization on the Android platform that could be easily prototyped. Hence, I shared this sample application showing 3D audio rendering, using the bit old openAL4android library.

Hope it helps!

Ready For

• Android SDK v26.0.0
• Android Studio v2.3.3
• Gradle Plugin v2.3.3
• Tested On:
  • Android 7.0 Nougat
  • Android 6.0 Marshmallow

Remarks

• IMPORTANT: to make a compatible .wav file, the RIFF WAVE headers should be present on the file. Common audio/video conversion libraries tried (sox, ffmpeg) does not trivially generate the proper .wav file headers. Only Audacity for Windows 10 did the trick.
• libopenal.so and libopenalwrapper.so are compiled for 32-bits platforms (ARMEABI v7a).
• gradle.properties includes the android.useDeprecatedNdk=true option which may not be available in future versions of Android Gradle plugin.

openal-android-sample's Issues

ninja: build stopped, no such file or directory

I get the following error when building this project. If I understand correctly, some scripts refers to 'files/android-sdk', but my sdk is placed in 'C:\Program Files\android-sdk'. Where should I correct this path?

Determining if the C compiler works failed with the following output:
Change Dir: C:/Users/Asus/AndroidStudioProjects/openal-android-sample/openAL4Android/.externalNativeBuild/cmake/release/armeabi-v7a/CMakeFiles/CMakeTmp

Run Build Command:"C:/Program Files/android-sdk/cmake/3.6.4111459/bin/ninja.exe" "cmTC_2926d"
[1/2] Building C object CMakeFiles/cmTC_2926d.dir/testCCompiler.c.o

FAILED: C:\PROGRA1\ANDROI1\NDK-BU1\TOOLCH1\llvm\prebuilt\WINDOW~1\bin\clang.exe --target=armv7-none-linux-androideabi --gcc-toolchain="C:/Program Files/android-sdk/ndk-bundle/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64" --sysroot="C:/Program Files/android-sdk/ndk-bundle/sysroot" -isystem C:/Program Files/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi -D__ANDROID_API__=9 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -fno-integrated-as -mthumb -Wa,--noexecstack -Wformat -Werror=format-security -o CMakeFiles/cmTC_2926d.dir/testCCompiler.c.o -c C:\Users\Asus\AndroidStudioProjects\openal-android-sample\openAL4Android.externalNativeBuild\cmake\release\armeabi-v7a\CMakeFiles\CMakeTmp\testCCompiler.c

clang.exe: error: no such file or directory: 'Files/android-sdk/ndk-bundle/sysroot/usr/include/arm-linux-androideabi'

ninja: build stopped: subcommand failed.

Multiple Sound sources

Is there a proper way to play multiple sounds or is this implementation only intended for single audio sources?
Doing something like this
this.sound = new Source(soundEnv.addBuffer("beep1"));
this.sound2 = new Source(soundEnv.addBuffer("beep2"));
this.sound.play(true);
this.sound2.play(true);
doesn't seem to do the trick

thank you