// The real thread function
void PspAudio::threadFunction() {
assert(_callback);
PSP_DEBUG_PRINT_FUNC("audio thread started\n");
while (_init) { // Keep looping so long as we haven't been told to stop
if (_paused)
PSP_DEBUG_PRINT("audio thread paused\n");
while (_paused) { // delay until we stop pausing
PspThread::delayMicros(100000); // 100ms
if (!_paused)
PSP_DEBUG_PRINT("audio thread unpaused\n");
}
PSP_DEBUG_PRINT("remaining samples[%d]\n", _remainingSamples);
PSP_DEBUG_PRINT("filling buffer[%d]\n", _bufferToFill);
_callback(_userData, _buffers[_bufferToFill], _bufferSize); // ask mixer to fill in data
nextBuffer(_bufferToFill);
PSP_DEBUG_PRINT("playing buffer[%d].\n", _bufferToPlay);
playBuffer();
nextBuffer(_bufferToPlay);
} // while _init
// destroy everything
free(_buffers[0]);
sceAudioChRelease(_pspChannel);
PSP_DEBUG_PRINT("audio thread exiting. ****************************\n");
}
void ReceiveThread::readyRead() {
QHostAddress metisAddress;
quint16 metisPort;
unsigned char buffer[1024];
qDebug()<<"Discovery::readyRead";
if(socket.readDatagram((char*)&buffer,(qint64)sizeof(buffer),&metisAddress,&metisPort)>0) {
if(buffer[0]==0xEF && buffer[1]==0xFE) {
switch(buffer[2]) {
case 3: // erase completed
qDebug()<<"commandCompleted";
emit eraseCompleted();
break;
case 4: // ready for next buffer
qDebug()<<"ready for next buffer";
emit nextBuffer();
break;
default:
qDebug()<<"invalid reply="<<buffer[3];
break;
}
} else {
qDebug() << "received invalid response in ReceiveThread";
}
} else {
qDebug()<<"ReceiveThread::readyRead: readDatagram failed";
}
}
// Overrides ConsumerBase::onFrameAvailable(), does not call base class impl.
void FramebufferSurface::onFrameAvailable() {
sp<GraphicBuffer> buf;
sp<Fence> acquireFence;
status_t err = nextBuffer(buf, acquireFence);
if (err != NO_ERROR) {
ALOGE("error latching nnext FramebufferSurface buffer: %s (%d)",
strerror(-err), err);
return;
}
err = mHwc.fbPost(mDisplayType, acquireFence, buf);
if (err != NO_ERROR) {
ALOGE("error posting framebuffer: %d", err);
}
}
// Overrides ConsumerBase::onFrameAvailable(), does not call base class impl.
// 直接重写ConsumerBase的方法，这样就不用设置listener也能收到BufferQueue来的数据
void FramebufferSurface::onFrameAvailable() { // 每过来一帧，直接往荧幕上贴
sp<GraphicBuffer> buf;
sp<Fence> acquireFence;
status_t err = nextBuffer(buf, acquireFence); // 这个buffer是已经通过SF合成好的吗？
// 已经通过EGL处理过，详见DisplayDevice
if (err != NO_ERROR) {
ALOGE("error latching nnext FramebufferSurface buffer: %s (%d)",
strerror(-err), err);
return;
}
err = mHwc.fbPost(mDisplayType, acquireFence, buf);
if (err != NO_ERROR) {
ALOGE("error posting framebuffer: %d", err);
}
}
// Overrides ConsumerBase::onFrameAvailable(), does not call base class impl.
void FramebufferSurface::onFrameAvailable() {
sp<GraphicBuffer> buf;
sp<Fence> acquireFence;
status_t err = nextBuffer(buf, acquireFence);
if (err != NO_ERROR) {
ALOGE("error latching nnext FramebufferSurface buffer: %s (%d)",
strerror(-err), err);
return;
}
if (acquireFence.get() && acquireFence->isValid())
mPrevFBAcquireFence = new Fence(acquireFence->dup());
else
mPrevFBAcquireFence = Fence::NO_FENCE;
lastHandle = buf->handle;
}