// midi write
jboolean
Java_org_billthefarmer_accordion_MidiDriver_write(JNIEnv *env,
jobject obj,
jbyteArray byteArray)
{
jboolean isCopy;
EAS_RESULT result;
jint length;
EAS_U8 *buf;
if (pEASData == NULL || midiHandle == NULL)
return JNI_FALSE;
buf = (EAS_U8 *)env->GetByteArrayElements(byteArray, &isCopy);
length = env->GetArrayLength(byteArray);
// lock
pthread_mutex_lock(&mutex);
result = EAS_WriteMIDIStream(pEASData, midiHandle, buf, length);
// unlock
pthread_mutex_unlock(&mutex);
env->ReleaseByteArrayElements(byteArray, (jbyte *)buf, 0);
if (result != EAS_SUCCESS)
return JNI_FALSE;
return JNI_TRUE;
}
// write midi stream
MIDI_RESULT MIDI_WriteStream(MIDI_HANDLE handle, char *data, long size)
{
EAS_RESULT result;
// lock
pthread_mutex_lock(&mutex);
// write midi stream
if ((result = EAS_WriteMIDIStream(pEASData, handle, data,
size)) != EAS_SUCCESS)
{
// unlock
pthread_mutex_unlock(&mutex);
return result;
}
// unlock
pthread_mutex_unlock(&mutex);
return MIDI_SUCCESS;
}