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Android 4.2+: Ask for optimal audio buffer size + sample rate. Ignore sample rate for now.

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Henrik Rydgard committed 2013-06-19 14:27:50 +02:00
1 parent 9f510771bd
commit 0e5cab2b0c
9 files changed
+89 -34
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android/native_audio.cpp
+7 -2
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@@ -11,11 +11,13 @@ struct AudioState {
OpenSLWrap_Init_T init_func;
OpenSLWrap_Shutdown_T shutdown_func;
bool playing;
int frames_per_buffer;
int sample_rate;
};
static AudioState *state = 0;
bool AndroidAudio_Init(AndroidAudioCallback cb, std::string libraryDir) {
bool AndroidAudio_Init(AndroidAudioCallback cb, std::string libraryDir, int optimalFramesPerBuffer, int optimalSampleRate) {
if (state != 0) {
ELOG("Audio state already exists");
return false;
@@ -35,6 +37,9 @@ bool AndroidAudio_Init(AndroidAudioCallback cb, std::string libraryDir) {
state->playing = false;
state->init_func = (OpenSLWrap_Init_T)dlsym(state->so, "OpenSLWrap_Init");
state->shutdown_func = (OpenSLWrap_Shutdown_T)dlsym(state->so, "OpenSLWrap_Shutdown");
state->frames_per_buffer = optimalFramesPerBuffer ? optimalFramesPerBuffer : 256;
state->sample_rate = optimalSampleRate ? optimalSampleRate : 44100;
ILOG("OpenSLWrap init_func: %p shutdown_func: %p", (void *)state->init_func, (void *)state->shutdown_func);
return true;
@@ -47,7 +52,7 @@ bool AndroidAudio_Resume() {
}
if (!state->playing) {
ILOG("Calling OpenSLWrap_Init_T...");
bool init_retval = state->init_func(state->s_cb);
bool init_retval = state->init_func(state->s_cb, state->frames_per_buffer, state->sample_rate);
ILOG("Returned from OpenSLWrap_Init_T");
state->playing = true;
return init_retval;