virtual ~LocalServer(void)
{
QuitAndWait();
// Clear the connection flags...
AtomicExchange(g_connectionFlags, (UInt32)0);
if(g_onDisconnect)
{
// After the connection is fully shut down, notify the app.
g_onDisconnect();
}
// Clear the buffers for all AsyncStreams to guarantee that no event is
// stalled waiting for room on a buffer. Then we wait until there there
// are no events still writing out.
AsyncStream::ClearAll();
while(AtomicGet(g_refcount) > 0)
{
ThreadSleepMilliseconds(1);
}
// Finally, release any AsyncStreams that were created during this session
// now that we can safely assume there are no events actively trying to
// write out to a stream.
AsyncStream::Shutdown();
g_varStore.Clear();
if(m_file != NullFileHandle)
{
CloseFile(m_file);
m_file = NullFileHandle;
}
}
void OpenSLContext::resume() {
lock();
if (AtomicExchange(&paused, false)) {
for (int i = 0; i < OPENSL_CHANNELS; i++) {
OpenSLPlayer *player = AtomicGet(&(players[i]));
if (player != NULL) {
player->lock();
player->restore();
player->unlock();
}
}
}
unlock();
}
void OpenSLPlayer::restore() {
lock();
accessTime = currentTimeMillis();
if (player == NULL) {
unlock();
return;
}
if (isPaused() && AtomicExchange(&resume, false)) {
if (AtomicExchange(&reset, false)) (*playerSeek)->SetPosition(playerSeek, 0, SL_SEEKMODE_FAST);
(*playerSeek)->SetLoop(playerSeek, AtomicGet(&loop) ? SL_BOOLEAN_TRUE : SL_BOOLEAN_FALSE, 0, SL_TIME_UNKNOWN);
(*player)->SetPlayState(player, SL_PLAYSTATE_PLAYING);
AtomicSet(&state, SL_PLAYSTATE_PLAYING);
}
unlock();
}
void OpenSLContext::pause() {
lock();
if (!AtomicExchange(&paused, true)) {
for (int i = 0; i < OPENSL_CHANNELS; i++) {
OpenSLPlayer *player = AtomicGet(&(players[i]));
if (player != NULL) {
player->lock();
if (player->isPlaying()) {
player->pause();
AtomicSet(&player->resume, true);
}
player->unlock();
}
}
}
unlock();
}
void OpenSLPlayer::setSound(OpenSLSound* sound) {
lock();
clear();
SLresult result;
locatorFD.locatorType = SL_DATALOCATOR_ANDROIDFD;
locatorFD.fd = AtomicGet(&sound->fd);
locatorFD.offset = 0;
locatorFD.length = AtomicGet(&sound->fileSize);
formatMIME.formatType = SL_DATAFORMAT_MIME;
formatMIME.mimeType = NULL;
formatMIME.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
audioSrc.pLocator = &locatorFD;
audioSrc.pFormat = &formatMIME;
locatorOutMix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
locatorOutMix.outputMix = context->outputMixObj;
audioSnk.pLocator = (void*)&locatorOutMix;
audioSnk.pFormat = NULL;
const SLInterfaceID ids[4] = {SL_IID_SEEK, SL_IID_MUTESOLO, SL_IID_VOLUME};
const SLboolean req[4] = {SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE};
result = (*context->engine)->CreateAudioPlayer(context->engine, &playerObj, &audioSrc, &audioSnk, 3, ids, req);
if (result != SL_RESULT_SUCCESS) {
playerObj = NULL;
unlock();
return;
}
result = (*playerObj)->Realize(playerObj, SL_BOOLEAN_FALSE);
if (result != SL_RESULT_SUCCESS) {
playerObj = NULL;
unlock();
return;
}
result = (*playerObj)->GetInterface(playerObj, SL_IID_PLAY, &player);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
result = (*playerObj)->GetInterface(playerObj, SL_IID_SEEK, &playerSeek);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
result = (*playerObj)->GetInterface(playerObj, SL_IID_MUTESOLO, &playerMuteSolo);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
result = (*playerObj)->GetInterface(playerObj, SL_IID_VOLUME, &playerVolume);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
result = (*player)->RegisterCallback(player, EventCallback, (void*)this);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
result = (*player)->SetCallbackEventsMask(player, SL_PLAYEVENT_HEADATEND/* | SL_PLAYEVENT_HEADATMARKER | SL_PLAYEVENT_HEADATNEWPOS | SL_PLAYEVENT_HEADMOVING | SL_PLAYEVENT_HEADSTALLED*/);
if (result != SL_RESULT_SUCCESS) {
clear();
unlock();
return;
}
AtomicSetPtr(&(this->sound), sound);
accessTime = currentTimeMillis();
unlock();
}
bool OpenSLPlayer::isStopped() {
return AtomicGet(&state) == SL_PLAYSTATE_STOPPED;
}
bool OpenSLPlayer::isPaused() {
return AtomicGet(&state) == SL_PLAYSTATE_PAUSED;
}
bool OpenSLPlayer::isPlaying() {
return AtomicGet(&state) == SL_PLAYSTATE_PLAYING;
}
int get() const
{
return AtomicGet(m_count);
}
// Check to see if (a) a connection is established and (b) that a particular capture feature is enabled on the connection.
bool CheckConnectionFlag(CaptureFlag feature)
{
return (AtomicGet(g_connectionFlags) & feature) != 0;
}
// Indicates that the capture system is currently connected...
bool IsConnected(void)
{
return AtomicGet(g_connectionFlags) != 0;
}
OpenSLPlayer* OpenSLContext::getFreePlayer(OpenSLSound* sound) {
lock();
int empty = -1;
int old_index = -1;
uint64_t old_access = 0;
OpenSLContext_getFreePlayer_repeat:
for (int i = 0; i < OPENSL_CHANNELS; i++) {
OpenSLPlayer *player = AtomicGet(&(players[i]));
if (player == NULL) {
empty = i;
} else {
player->lock();
if ((old_access == 0) || (player->accessTime <= old_access)) {
old_index = i;
old_access = player->accessTime;
}
if (player->isStopped()) {
unlock();
AtomicSet(&player->resume, false);
return player;
}
player->unlock();
}
}
if (empty >= 0) {
OpenSLPlayer *player;
AtomicSet(&(players[empty]), player = new OpenSLPlayer(this));
player->lock();
unlock();
return player;
}
if (old_index >= 0) {
OpenSLPlayer *player = AtomicGet(&(players[old_index]));
if (player != NULL) {
player->lock();
if (player->isPlaying()) {
player->stop();
}
AtomicSet(&player->resume, false);
unlock();
return player;
}
}
goto OpenSLContext_getFreePlayer_repeat;
}
bool OpenSLContext::isPaused() {
return AtomicGet(&paused);
}
bool Thread::QuitSignaled(void)
{
return AtomicGet(m_quitSignaled) ? true : false;
}
virtual void OnThreadExecute(void)
{
SetThreadName("CaptureServer");
// Acquire the process name...
#if defined(OVR_CAPTURE_WINDOWS)
char packageName[64] = {0};
GetModuleFileNameA(NULL, packageName, sizeof(packageName));
if(!packageName[0])
{
StringCopy(packageName, "Unknown", sizeof(packageName));
}
#else
char packageName[64] = {0};
char cmdlinepath[64] = {0};
FormatString(cmdlinepath, sizeof(cmdlinepath), "/proc/%u/cmdline", (unsigned)getpid());
if(ReadFileLine(cmdlinepath, packageName, sizeof(packageName)) <= 0)
{
StringCopy(packageName, "Unknown", sizeof(packageName));
}
#endif
while(m_listenSocket && !QuitSignaled())
{
// Start auto-discovery thread...
ZeroConfigHost *zeroconfig = ZeroConfigHost::Create(g_zeroConfigPort, m_listenPort, packageName);
zeroconfig->Start();
// try and accept a new socket connection...
SocketAddress streamAddr;
m_streamSocket = m_listenSocket->Accept(streamAddr);
// Once connected, shut the auto-discovery thread down.
zeroconfig->Release();
// If no connection was established, something went totally wrong and we should just abort...
if(!m_streamSocket)
break;
// Before we start sending capture data... first must exchange connection headers...
// First attempt to read in the request header from the Client...
ConnectionHeaderPacket clientHeader = {0};
if(!m_streamSocket->Receive(&clientHeader, sizeof(clientHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Load our connection flags...
const UInt32 connectionFlags = clientHeader.flags & g_initFlags;
// Build and send return header... We *always* send the return header so that if we don't
// like something (like version number or feature flags), the client has some hint as to
// what we didn't like.
ConnectionHeaderPacket serverHeader = {0};
serverHeader.size = sizeof(serverHeader);
serverHeader.version = ConnectionHeaderPacket::s_version;
serverHeader.flags = connectionFlags;
if(!m_streamSocket->Send(&serverHeader, sizeof(serverHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check version number...
if(clientHeader.version != serverHeader.version)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check that we have any capture features even turned on...
if(!connectionFlags)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Finally, send our packet descriptors...
const PacketDescriptorHeaderPacket packetDescHeader = { g_numPacketDescs };
if(!m_streamSocket->Send(&packetDescHeader, sizeof(packetDescHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
if(!m_streamSocket->Send(&g_packetDescs, sizeof(g_packetDescs)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Connection established!
// Initialize the per-thread stream system before flipping on g_connectionFlags...
AsyncStream::Init();
if(g_onConnect)
{
// Call back into the app to notify a connection is being established.
// We intentionally do this before enabling the connection flags.
g_onConnect(connectionFlags);
}
// Signal that we are connected!
AtomicExchange(g_connectionFlags, connectionFlags);
// Technically any Labels that get initialized on another thread bettween the barrier and loop
// will get sent over the network twice, but OVRMonitor will handle that.
g_labelLock.Lock();
for(Label *l=Label::GetHead(); l; l=l->GetNext())
{
SendLabelPacket(*l);
}
g_labelLock.Unlock();
// Start CPU/GPU/Thermal sensors...
StandardSensors stdsensors;
if(CheckConnectionFlag(Enable_CPU_Clocks) || CheckConnectionFlag(Enable_GPU_Clocks) || CheckConnectionFlag(Enable_Thermal_Sensors))
{
stdsensors.Start();
}
// Spin as long as we are connected flushing data from our data stream...
while(!QuitSignaled())
{
const UInt64 flushBeginTime = GetNanoseconds();
const UInt32 waitflags = m_streamSocket->WaitFor(Socket::WaitFlag_Read | Socket::WaitFlag_Write | Socket::WaitFlag_Timeout, 2);
if(waitflags & Socket::WaitFlag_Timeout)
{
// Connection likely failed somehow...
break;
}
if(waitflags & Socket::WaitFlag_Read)
{
PacketHeader header;
VarSetPacket packet;
m_streamSocket->Receive((char*)&header, sizeof(header));
if (header.packetID == Packet_Var_Set)
{
m_streamSocket->Receive((char*)&packet, sizeof(packet));
g_varStore.Set(packet.labelID, packet.value, true);
}
else
{
Logf(Log_Warning, "OVR::Capture::RemoteServer; Received Invalid Capture Packet");
}
}
if(waitflags & Socket::WaitFlag_Write)
{
// Socket is ready to write data... so now is a good time to flush pending capture data.
SocketOutStream outStream(*m_streamSocket);
if(!AsyncStream::FlushAll(outStream))
{
// Error occured... shutdown the connection.
break;
}
}
const UInt64 flushEndTime = GetNanoseconds();
const UInt64 flushDeltaTime = flushEndTime - flushBeginTime;
const UInt64 sleepTime = 4000000; // 4ms
if(flushDeltaTime < sleepTime)
{
// Sleep just a bit to keep the thread from killing a core and to let a good chunk of data build up
ThreadSleepNanoseconds((UInt32)(sleepTime - flushDeltaTime));
}
}
// Clear the connection flags...
AtomicExchange(g_connectionFlags, (UInt32)0);
// Close down our sensor thread...
stdsensors.QuitAndWait();
// Connection was closed at some point, lets clean up our socket...
m_streamSocket->Shutdown();
m_streamSocket->Release();
m_streamSocket = NULL;
if(g_onDisconnect)
{
// After the connection is fully shut down, notify the app.
g_onDisconnect();
}
// Clear the buffers for all AsyncStreams to guarantee that no event is
// stalled waiting for room on a buffer. Then we wait until there there
// are no events still writing out.
AsyncStream::ClearAll();
while(AtomicGet(g_refcount) > 0)
{
ThreadSleepMilliseconds(1);
}
// Finally, release any AsyncStreams that were created during this session
// now that we can safely assume there are no events actively trying to
// write out to a stream.
AsyncStream::Shutdown();
g_varStore.Clear();
} // while(m_listenSocket && !QuitSignaled())
}
