HRESULT CPushAudioPin::DoBufferProcessingLoop(void) {
Command com;
OnThreadStartPlay();
do {
while (!CheckRequest(&com)) {
HRESULT hr;
CAutoLock lock(&m_cSharedState);
if( WaitForSingleObject( this->buffLockEvent, 500 ) == WAIT_OBJECT_0 ){
if( this->buffData.size() != 0 ){
if( this->buffLockEvent != NULL ){
SetEvent(this->buffLockEvent);
}
IMediaSample *pSample;
hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr)) {
Sleep(1);
continue;
}
hr = FillBuffer(pSample);
if (hr == S_OK) {
hr = Deliver(pSample);
pSample->Release();
if(hr != S_OK)
{
return S_OK;
}
} else if (hr == S_FALSE) {
pSample->Release();
DeliverEndOfStream();
return S_OK;
} else {
pSample->Release();
DeliverEndOfStream();
m_pFilter->NotifyEvent(EC_ERRORABORT, hr, 0);
return hr;
}
}else{
if( this->buffLockEvent != NULL ){
SetEvent(this->buffLockEvent);
}
Sleep(10);
}
}
}
// For all commands sent to us there must be a Reply call!
if (com == CMD_RUN || com == CMD_PAUSE) {
Reply(NOERROR);
} else if (com != CMD_STOP) {
Reply((DWORD) E_UNEXPECTED);
}
} while (com != CMD_STOP);
return S_FALSE;
}
//----------------------------------------------------------------------------
//! @brief サンプルをダウンストリームへ送り続ける処理
//! @return エラーコード
//----------------------------------------------------------------------------
HRESULT CDemuxOutputPin::DoBufferProcessingLoop(void)
{
Command com;
HRESULT hr;
OnThreadStartPlay();
do {
while( !CheckRequest(&com) ) {
// Virtual function user will override.
IMediaSample *pSample;
hr = RetrieveBuffer(&pSample);
if( hr == S_OK ) {
hr = Deliver(pSample);
pSample->Release();
if(hr != S_OK)
{
DbgLog((LOG_TRACE, 2, TEXT("Deliver() returned %08x; stopping"), hr));
return S_OK;
}
} else if (hr == S_FALSE) {
// derived class wants us to stop pushing data
DeliverEndOfStream();
return S_OK;
} else {
// derived class encountered an error
DbgLog((LOG_ERROR, 1, TEXT("Error %08lX from FillBuffer!!!"), hr));
DeliverEndOfStream();
m_pFilter->NotifyEvent(EC_ERRORABORT, hr, 0);
return hr;
}
}
if( com == CMD_RUN || com == CMD_PAUSE ) {
Reply(NOERROR);
} else if( com != CMD_STOP ) {
Reply((DWORD) E_UNEXPECTED);
DbgLog((LOG_ERROR, 1, TEXT("Unexpected command!!!")));
}
} while( com != CMD_STOP );
return S_FALSE;
}
HRESULT CMPIptvSourceStream::DoBufferProcessingLoop(void)
{
Command com;
OnThreadStartPlay();
WSADATA wsaData;
WSAStartup(MAKEWORD(2, 2), &wsaData);
#ifdef logging
LogDebug("Starting grabber thread");
#endif
sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
if (localip) {
addr.sin_addr.s_addr = inet_addr(localip);
} else {
addr.sin_addr.s_addr = htonl(INADDR_ANY);
}
addr.sin_port = htons((u_short)port);
ip_mreq imr;
imr.imr_multiaddr.s_addr = inet_addr(ip);
if (localip) {
imr.imr_interface.s_addr = inet_addr(localip);
} else {
imr.imr_interface.s_addr = INADDR_ANY;
}
unsigned long nonblocking = 1;
if((m_socket = socket(AF_INET, SOCK_DGRAM, 0)) >= 0)
{
/* u_long argp = 1;
ioctlsocket(m_socket, FIONBIO, &argp);
*/
DWORD dw = TRUE;
int dwLen = sizeof(dw);
if(setsockopt(m_socket, SOL_SOCKET, SO_REUSEADDR, (const char*)&dw, sizeof(dw)) < 0)
{
closesocket(m_socket);
m_socket = -1;
}
if(setsockopt(m_socket, SOL_SOCKET, SO_BROADCAST, (const char*)&dw, sizeof(dw)) < 0)
{
closesocket(m_socket);
m_socket = -1;
}
getsockopt(m_socket, SOL_SOCKET, SO_RCVBUF, (char *)&dw, &dwLen);
#ifdef logging
LogDebug("Socket receive buffer is: %d (%d)", dw, dwLen);
LogDebug("Trying to set receive buffer to %d", IPTV_SOCKET_BUFFER_SIZE);
#endif
dw = IPTV_SOCKET_BUFFER_SIZE;
if(setsockopt(m_socket, SOL_SOCKET, SO_RCVBUF, (const char*)&dw, sizeof(dw)) < 0)
{
closesocket(m_socket);
m_socket = -1;
}
dwLen = sizeof(dw);
getsockopt(m_socket, SOL_SOCKET, SO_RCVBUF, (char *)&dw, &dwLen);
#ifdef logging
LogDebug("New socket receive buffer is: %d (%d)", dw, dwLen);
#endif
if (ioctlsocket(m_socket, FIONBIO, &nonblocking) != 0) {
closesocket(m_socket);
m_socket = -1;
}
if(bind(m_socket, (struct sockaddr*)&addr, sizeof(addr)) < 0)
{
closesocket(m_socket);
m_socket = -1;
}
if(IN_MULTICAST(htonl(imr.imr_multiaddr.s_addr)))
{
int ret = setsockopt(m_socket, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&imr, sizeof(imr));
if(ret < 0) ret = ::WSAGetLastError();
ret = ret;
}
}
SetThreadPriority(m_hThread, THREAD_PRIORITY_TIME_CRITICAL);
int fromlen = sizeof(addr);
m_buffsize = 0;
timeval tv; //Will be used for select() below
tv.tv_sec = 0;
tv.tv_usec = 100000; //100 msec
do
{
BOOL requestAvail;
while ((requestAvail = CheckRequest(&com)) == FALSE)
{
DWORD startRecvTime;
startRecvTime = GetTickCount();
#ifdef FILL_DIRECTLY_INTO_BUFFER
IMediaSample *pSample;
char *pData;
long cbData;
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr))
continue;
CheckPointer(pSample, E_POINTER);
// Access the sample's data buffer
pSample->GetPointer((BYTE **)&pData);
cbData = pSample->GetSize();
#endif
do
{
//Try to read the complete remaining buffer size
//But stop reading after 100ms have passed (slow streams like internet radio)
#ifdef FILL_DIRECTLY_INTO_BUFFER
int len = recvfrom(m_socket, &pData[m_buffsize], cbData - m_buffsize, 0, (SOCKADDR*)&addr, &fromlen);
#else
int len = recvfrom(m_socket, &m_buffer[m_buffsize], IPTV_BUFFER_SIZE - m_buffsize, 0, (SOCKADDR*)&addr, &fromlen);
#endif
if(len <= 0)
{
//Wait until there's something in the receive buffer
fd_set myFDsocket;
myFDsocket.fd_count = 1;
myFDsocket.fd_array[0] = m_socket;
int selectRet = select(0, &myFDsocket, NULL, NULL, &tv);
#ifdef logging
LogDebug("select return code: %d", selectRet);
#endif
continue; //On error or nothing read just repeat the loop
}
#ifdef logging
LogDebug("Read %d bytes at pos %d of %d", len, m_buffsize, IPTV_BUFFER_SIZE);
#endif
m_buffsize += len;
#ifdef FILL_DIRECTLY_INTO_BUFFER
} while ((requestAvail = CheckRequest(&com)) == FALSE && m_buffsize < (cbData * 3 / 4) && abs((signed long)(GetTickCount() - startRecvTime)) < 100);
#else
} while ((requestAvail = CheckRequest(&com)) == FALSE && m_buffsize < (IPTV_BUFFER_SIZE * 3 / 4) && abs((signed long)(GetTickCount() - startRecvTime)) < 100);
#endif
if (requestAvail) break;
#ifndef FILL_DIRECTLY_INTO_BUFFER
if (m_buffsize == 0) continue; //100ms passed but no buffer received
IMediaSample *pSample;
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr))
{
continue;
// go round again. Perhaps the error will go away
// or the allocator is decommited & we will be asked to
// exit soon.
}
#endif
// fill buffer
hr = FillBuffer(pSample);
if (hr == S_OK)
{
hr = Deliver(pSample);
pSample->Release();
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
#ifdef logging
LogDebug("Deliver() returned %08x; stopping", hr);
#endif
if(m_socket >= 0) {closesocket(m_socket); m_socket = -1;}
WSACleanup();
return S_OK;
}
} else if (hr == S_FALSE) {
// derived class wants us to stop pushing data
pSample->Release();
DeliverEndOfStream();
if(m_socket >= 0) {closesocket(m_socket); m_socket = -1;}
WSACleanup();
return S_OK;
} else {
// derived class encountered an error
pSample->Release();
#ifdef logging
LogDebug("Error %08lX from FillBuffer!!!", hr);
#endif
DeliverEndOfStream();
m_pFilter->NotifyEvent(EC_ERRORABORT, hr, 0);
if(m_socket >= 0) {closesocket(m_socket); m_socket = -1;}
WSACleanup();
return hr;
}
// all paths release the sample
}
// For all commands sent to us there must be a Reply call!
if (com == CMD_RUN || com == CMD_PAUSE) {
Reply(NOERROR);
} else if (com != CMD_STOP) {
Reply((DWORD) E_UNEXPECTED);
#ifdef logging
LogDebug("Unexpected command %d!!!", com);
#endif
}
} while (com != CMD_STOP);
//
// DoBufferProcessingLoop
//
// Grabs a buffer and calls the users processing function.
// Overridable, so that different delivery styles can be catered for.
HRESULT CSourceStream::DoBufferProcessingLoop(void) {
Command com;
OnThreadStartPlay();
do {
while (!CheckRequest(&com)) {
IMediaSample *pSample;
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr)) {
Sleep(1);
continue; // go round again. Perhaps the error will go away
// or the allocator is decommited & we will be asked to
// exit soon.
}
// Virtual function user will override.
hr = FillBuffer(pSample);
if (hr == S_OK) {
hr = Deliver(pSample);
pSample->Release();
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
DbgLog((LOG_TRACE, 2, TEXT("Deliver() returned %08x; stopping"), hr));
return S_OK;
}
} else if (hr == S_FALSE) {
// derived class wants us to stop pushing data
pSample->Release();
DeliverEndOfStream();
return S_OK;
} else {
// derived class encountered an error
pSample->Release();
DbgLog((LOG_ERROR, 1, TEXT("Error %08lX from FillBuffer!!!"), hr));
DeliverEndOfStream();
m_pFilter->NotifyEvent(EC_ERRORABORT, hr, 0);
return hr;
}
// all paths release the sample
}
// For all commands sent to us there must be a Reply call!
if (com == CMD_RUN || com == CMD_PAUSE) {
Reply(NOERROR);
} else if (com != CMD_STOP) {
Reply((DWORD) E_UNEXPECTED);
DbgLog((LOG_ERROR, 1, TEXT("Unexpected command!!!")));
}
} while (com != CMD_STOP);
return S_FALSE;
}
HRESULT CAudioPin::DoBufferProcessingLoop(void)
{
if (!m_bConnected)
{
return S_OK;
m_bThreadRunning = false;
}
Command com;
OnThreadStartPlay();
m_bThreadRunning = true;
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
do
{
while (!CheckRequest(&com))
{
IMediaSample *pSample;
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr))
{
Sleep(1);
continue; // go round again. Perhaps the error will go away
// or the allocator is decommited & we will be asked to
// exit soon.
}
// Virtual function user will override.
hr = FillBuffer(pSample);
if (hr == S_OK)
{
// Some decoders seem to crash when we provide empty samples
if ((pSample->GetActualDataLength() > 0) && !m_pTsReaderFilter->IsStopping() && m_bConnected)
{
hr = Deliver(pSample);
m_sampleCount++ ;
}
else
{
m_bDiscontinuity = true;
}
pSample->Release();
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
DbgLog((LOG_TRACE, 2, TEXT("Deliver() returned %08x; stopping"), hr));
m_bThreadRunning = false;
return S_OK;
}
}
else if (hr == S_FALSE)
{
// derived class wants us to stop pushing data
pSample->Release();
DeliverEndOfStream();
m_bThreadRunning = false;
return S_OK;
}
else
{
// derived class encountered an error
pSample->Release();
DbgLog((LOG_ERROR, 1, TEXT("Error %08lX from FillBuffer!!!"), hr));
DeliverEndOfStream();
m_pFilter->NotifyEvent(EC_ERRORABORT, hr, 0);
m_bThreadRunning = false;
return hr;
}
// all paths release the sample
}
// For all commands sent to us there must be a Reply call!
if (com == CMD_RUN || com == CMD_PAUSE)
{
Reply(NOERROR);
}
else if (com != CMD_STOP)
{
Reply((DWORD) E_UNEXPECTED);
DbgLog((LOG_ERROR, 1, TEXT("Unexpected command!!!")));
}
} while (com != CMD_STOP);
m_bThreadRunning = false;
return S_FALSE;
}
// the loop executed while running
HRESULT FCapturePin::DoBufferProcessingLoop(void)
{
Command com;
OnThreadStartPlay();
int32 LastFrame = -1;
do
{
while (!CheckRequest(&com))
{
// Wait for the next frame from the game thread
if ( !GCaptureSyncEvent->Wait(1000) )
{
FPlatformProcess::Sleep( 0.01f );
continue; // Reevaluate request
}
IMediaSample *pSample;
int32 FrameNumber = FAVIWriter::GetInstance()->GetFrameNumber();
if (FrameNumber > LastFrame)
{
UE_LOG(LogMovieCapture, Log, TEXT(" FrameNumber > LastFrame = %d > %d"), FrameNumber, LastFrame);
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr))
{
if (pSample)
{
pSample->Release();
}
}
else
{
LastFrame = FrameNumber;
hr = FillBuffer(pSample);
if (hr == S_OK)
{
hr = Deliver(pSample);
pSample->Release();
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
UE_LOG(LogMovieCapture, Log, TEXT("Deliver() returned %08x; stopping"), hr);
return S_OK;
}
}
}
}
// Allow the game thread read more data
GCaptureSyncEvent->Trigger();
}
// For all commands sent to us there must be a Reply call!
if (com == CMD_RUN || com == CMD_PAUSE)
{
Reply(NOERROR);
}
else if (com != CMD_STOP)
{
Reply((uint32) E_UNEXPECTED);
}
} while (com != CMD_STOP);
return S_FALSE;
}
//
// DoBufferProcessingLoop
//
// Grabs a buffer and calls the users processing function.
// Overridable, so that different delivery styles can be catered for.
HRESULT CDynamicSourceStream::DoBufferProcessingLoop(void)
{
Command com;
bool fOutputFormatChanged = false;
OnThreadStartPlay();
do
{
while(!CheckRequest(&com))
{
// CAutoUsingOutputPin::CAutoUsingOutputPin() only changes the value of hr
// if an error occurs.
HRESULT hr = S_OK;
CAutoUsingOutputPin auopUsingOutputPin(this, &hr);
if(FAILED(hr))
{
FatalError(hr);
return hr;
}
if(m_fReconnectOutputPin)
{
hr = DynamicReconnect(NULL);
m_fReconnectOutputPin = false;
if(FAILED(hr))
{
FatalError(hr);
return hr;
}
fOutputFormatChanged = true;
}
IMediaSample *pSample;
hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if(FAILED(hr))
{
Sleep(1);
continue; // go round again. Perhaps the error will go away
// or the allocator is decommited & we will be asked to
// exit soon.
}
if(fOutputFormatChanged)
{
pSample->SetDiscontinuity(TRUE);
fOutputFormatChanged = false;
}
// Virtual function user will override.
hr = FillBuffer(pSample);
if(hr == S_OK)
{
hr = Deliver(pSample);
pSample->Release();
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
DbgLog((LOG_TRACE, 2, TEXT("Deliver() returned %08x; stopping"), hr));
return S_OK;
}
}
else if(hr == S_FALSE)
{
// derived class wants us to stop pushing data
pSample->Release();
DeliverEndOfStream();
return S_OK;
}
else
{
// derived class encountered an error
pSample->Release();
DbgLog((LOG_ERROR, 1, TEXT("Error %08lX from FillBuffer!!!"), hr));
FatalError(hr);
return hr;
}
// all paths release the sample
}
// For all commands sent to us there must be a Reply call!
if(com == CMD_RUN || com == CMD_PAUSE)
{
Reply(NOERROR);
}
else if(com != CMD_STOP)
{
Reply((DWORD) E_UNEXPECTED);
DbgLog((LOG_ERROR, 1, TEXT("Unexpected command!!!")));
}
} while(com != CMD_STOP);
return S_FALSE;
}
HRESULT CMPVlcSourceStream::DoBufferProcessingLoop(void)
{
Command com;
HRESULT result = S_OK;
BOOL bStop = false;
OnThreadStartPlay();
LogInfo("Starting grabber thread");
if (m_exec)
{
LogInfo("Executing external command: %s %s", m_exec, m_exec_opt);
::ShellExecuteA(0, NULL, m_exec, m_exec_opt, NULL, SW_HIDE);
Sleep(m_exec_wait);
}
//libvlc_vlm_seek_media(m_vlc, "vlc_ds_stream", 0);
if (libvlc_vlm_play_media (m_vlc, "vlc_ds_stream") != 0)
{
LogError("libvlc_vlm_play_media failed");
return S_FALSE;
}
OVERLAPPED o;
o.hEvent = CreateEvent( NULL, FALSE, FALSE, NULL);
o.Internal = o.InternalHigh = o.Offset = o.OffsetHigh = 0;
ConnectNamedPipe(m_hPipe, &o);
WaitForSingleObject(o.hEvent, 20000);
BOOL fConnected = HasOverlappedIoCompleted(&o);
SetThreadPriority(m_hThread, THREAD_PRIORITY_TIME_CRITICAL);
if (!fConnected)
{
LogError("ConnectNamedPipe failed");
CancelIo(m_hPipe);
CloseHandle(o.hEvent);
return S_FALSE;
}
else do
{
BOOL requestAvail = FALSE;
while ((requestAvail = CheckRequest(&com)) == FALSE)
{
//LogDebug ("Command: %d", com);
IMediaSample *pSample;
HRESULT hr = GetDeliveryBuffer(&pSample,NULL,NULL,0);
if (FAILED(hr))
continue;
// fill buffer
// ------------------------------------------------------------------------------------
hr = S_OK;
BYTE *pData;
DWORD cbData;
CheckPointer(pSample, E_POINTER);
// Access the sample's data buffer
pSample->GetPointer((BYTE **)&pData);
cbData = pSample->GetSize();
DWORD startRecvTime = GetTickCount();
m_buffsize = 0;
do
{
DWORD cbBytesRead = 0;
ResetEvent(o.hEvent);
o.Internal = o.InternalHigh = o.Offset = o.OffsetHigh = 0;
BOOL fSuccess = ReadFile( m_hPipe, pData + m_buffsize, cbData - m_buffsize, &cbBytesRead, &o);
if (GetLastError() == ERROR_IO_PENDING)
{
for (int n=0; n < 20; n++)
{
if ((requestAvail = CheckRequest(&com)) == TRUE)
break;
if (WaitForSingleObject(o.hEvent, 1000) == WAIT_OBJECT_0)
break;
}
fSuccess = GetOverlappedResult(m_hPipe, &o, &cbBytesRead, false);
}
if (!fSuccess || cbBytesRead == 0)
{
CancelIo(m_hPipe);
break;
}
m_buffsize += cbBytesRead;
} while ( !requestAvail && m_buffsize < (cbData * 3 / 4)
&& abs((signed long)(GetTickCount() - startRecvTime)) < 100);
// ------------------------------------------------------------------------------------
if (m_buffsize != 0 && !(requestAvail && com == CMD_STOP))
{
LogDebug("Posting %d / %d bytes", m_buffsize, pSample->GetSize());
REFERENCE_TIME rtStart = startRecvTime;
REFERENCE_TIME rtStop = GetTickCount();
pSample->SetTime(&rtStart, &rtStop);
pSample->SetActualDataLength(m_buffsize);
pSample->SetSyncPoint(TRUE);
hr = Deliver(pSample);
// downstream filter returns S_FALSE if it wants us to
// stop or an error if it's reporting an error.
if(hr != S_OK)
{
LogInfo("Deliver() returned %08x; stopping", hr);
bStop = true;
}
} else
{
// FillBuffer returned false
bStop = true;
DeliverEndOfStream();
}
pSample->Release();
if (bStop)
break;
}
if (requestAvail)
{
LogInfo("Received command: %d", com);
if (com == CMD_RUN || com == CMD_PAUSE) {
Reply(NOERROR);
} else if (com != CMD_STOP) {
Reply((DWORD) E_UNEXPECTED);
LogDebug("Unexpected command %d!!!", com);
}
}
} while (com != CMD_STOP && bStop == false);
//DeliverEndOfStream();
LogDebug("end loop");
HANDLE hSDThread = CreateThread(NULL, 0, &VlcStreamDiscardThread, LPVOID(m_hPipe), 0, 0);
libvlc_vlm_stop_media(m_vlc, "vlc_ds_stream");
LogDebug("libvlc_vlm_stop_media");
if (WaitForSingleObject(hSDThread, 30000) == WAIT_TIMEOUT)
{
DWORD ec;
LogError("Terminating StreamDiscardThread!");
GetExitCodeThread(hSDThread, &ec);
TerminateThread(hSDThread, ec);
}
DisconnectNamedPipe(m_hPipe);
LogDebug("DoBufferProcessingLoop end");
CloseHandle(o.hEvent);
return result;
}
