void nsNativeAudioStream::Resume()
{
if (mInError)
return;
mPaused = false;
sa_stream_resume(static_cast<sa_stream_t*>(mAudioHandle));
}
int
sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes) {
if (s == NULL || s->output_unit == NULL) {
return SA_ERROR_NO_INIT;
}
if (nbytes == 0) {
return SA_SUCCESS;
}
JNIEnv *jenv = GetJNIForThread();
if ((*jenv)->PushLocalFrame(jenv, 2)) {
return SA_ERROR_OOM;
}
jbyteArray bytearray = (*jenv)->NewByteArray(jenv, nbytes);
if (!bytearray) {
(*jenv)->ExceptionClear(jenv);
(*jenv)->PopLocalFrame(jenv, NULL);
return SA_ERROR_OOM;
}
jbyte *byte = (*jenv)->GetByteArrayElements(jenv, bytearray, NULL);
if (!byte) {
(*jenv)->PopLocalFrame(jenv, NULL);
return SA_ERROR_OOM;
}
memcpy(byte, data, nbytes);
size_t wroteSoFar = 0;
jint retval;
do {
retval = (*jenv)->CallIntMethod(jenv,
s->output_unit,
at.write,
bytearray,
wroteSoFar,
nbytes - wroteSoFar);
if (retval < 0) {
ALOG("%x - Write failed %d", s, retval);
break;
}
wroteSoFar += retval;
if (wroteSoFar != nbytes) {
/* android doesn't start playing until we explictly call play. */
if (!s->isPaused)
sa_stream_resume(s);
struct timespec ts = {0, 100000000}; /* .10s */
nanosleep(&ts, NULL);
}
} while(wroteSoFar < nbytes);
s->amountWritten += nbytes;
(*jenv)->ReleaseByteArrayElements(jenv, bytearray, byte, 0);
(*jenv)->PopLocalFrame(jenv, NULL);
return retval < 0 ? SA_ERROR_INVALID : SA_SUCCESS;
}
