bool ScreenStreamer::startStreaming(QString mrl)
{
LOG_INFO(tr("Starting the steram..."));
if (!_isInitialized)
{
if (!initialize())
return false;
}
int res = libvlc_vlm_add_broadcast(_vlcInstance,
_mediaName.toLatin1().data(),
mrl.toLatin1().data(),
_options.toLatin1().data(),
0, NULL, 1, 0);
if (res == -1)
{
LOG_ERROR(trUtf8("Error with starting the stream. %1").arg(QString::number(res)));
return false;
}
libvlc_vlm_play_media(_vlcInstance, _mediaName.toLatin1());
LOG_INFO(trUtf8("Stream was successfully started."));
return true;
}
void CServer::onPlay(std::string const& sout, std::string const& url) {
LOG4CPLUS_TRACE_METHOD(msLogger, __PRETTY_FUNCTION__);
libvlc_vlm_release(vlc);
const char * mSout = sout.c_str();
const char * mUrl = url.c_str();
libvlc_vlm_add_broadcast(vlc, media_name, mUrl, mSout, 0, NULL, true, false);
libvlc_vlm_play_media(vlc, media_name);
}
void CServer::onResume() {
LOG4CPLUS_TRACE_METHOD(msLogger, __PRETTY_FUNCTION__);
libvlc_vlm_play_media(vlc, media_name);
}
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;
}
void VLCNative::startTranscoding() {
DEBUG("VLCNative::startTranscoding called");
// init vlc
vlc = libvlc_new(this->argc, this->argv);
libvlc_set_user_agent(vlc, USER_AGENT, HTTP_USER_AGENT);
// open log
libvlc_set_log_verbosity(vlc, 3);
log = libvlc_log_open(vlc);
// register for events
eventManager = libvlc_vlm_get_event_manager(vlc);
libvlc_event_attach(eventManager, libvlc_VlmMediaInstanceStarted, event_handler_started, (void*)this);
libvlc_event_attach(eventManager, libvlc_VlmMediaInstanceStatusPlaying, event_handler_status_playing, (void*)this);
libvlc_event_attach(eventManager, libvlc_VlmMediaInstanceStatusError, event_handler_status_error, (void*)this);
libvlc_event_attach(eventManager, libvlc_VlmMediaInstanceStatusEnd, event_handler_status_end, (void*)this);
// start broadcast
libvlc_vlm_add_broadcast(vlc, medianame, input, sout, 0, NULL, true, false);
this->state = CREATED;
DEBUG("VLCNative: created media");
// and start playing
libvlc_vlm_play_media(vlc, medianame);
DEBUG("VLCNative: started media")
handleMessages();
}
