// init mididriver
jboolean
Java_org_billthefarmer_accordion_MidiDriver_init(JNIEnv *env,
jobject obj)
{
EAS_RESULT result;
if (result = initEAS() != EAS_SUCCESS)
{
shutdownEAS();
LOG_E(LOG_TAG, "Init EAS failed: %ld", result);
return JNI_FALSE;
}
// LOG_D(LOG_TAG, "Init EAS success, buffer: %ld", bufferSize);
// allocate buffer in bytes
buffer = (EAS_PCM *)malloc(bufferSize * sizeof(EAS_PCM));
if (buffer == NULL)
{
shutdownEAS();
LOG_E(LOG_TAG, "Allocate buffer failed");
return JNI_FALSE;
}
// create the engine and output mix objects
if (result = createEngine() != SL_RESULT_SUCCESS)
{
shutdownEAS();
shutdownAudio();
free(buffer);
buffer = NULL;
LOG_E(LOG_TAG, "Create engine failed: %ld", result);
return JNI_FALSE;
}
// create buffer queue audio player
if (result = createBufferQueueAudioPlayer() != SL_RESULT_SUCCESS)
{
shutdownEAS();
shutdownAudio();
free(buffer);
buffer = NULL;
LOG_E(LOG_TAG, "Create buffer queue audio player failed: %ld", result);
return JNI_FALSE;
}
// call the callback to start playing
bqPlayerCallback(bqPlayerBufferQueue, NULL);
return JNI_TRUE;
}
// shutdown EAS midi
jboolean
Java_org_billthefarmer_accordion_MidiDriver_shutdown(JNIEnv *env,
jobject obj)
{
shutdownAudio();
if (buffer != NULL)
free(buffer);
buffer = NULL;
shutdownEAS();
return JNI_TRUE;
}
// shutdown EAS midi
jboolean
Java_org_billthefarmer_mididriver_MidiDriver_shutdown(JNIEnv *env,
jobject obj)
{
EAS_RESULT result;
shutdownAudio();
if (buffer != NULL)
free(buffer);
buffer = NULL;
shutdownEAS();
return JNI_TRUE;
}
