OpenSLES音訊
官網 https://developer.android.com/ndk/guides/audio/opensl/getting-started?hl=zh-tw
libOpenSLES放置位置 /Users/cici/NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot/usr/lib/aarch64-linux-android/32/libOpenSLES.so
ndk的範例 https://github.com/android/ndk-samples
OpenSLES的ndk範例 https://github.com/android/ndk-samples/blob/main/native-audio/app/src/main/cpp/native-audio-jni.c
混音器 // create the engine and output mix objects JNIEXPORT void JNICALL Java_com_example_nativeaudio_NativeAudio_createEngine