/// <summary>
/// Clear the queue and add 1 item in the same operation. This is useful
/// for operation that take precedence over all others (like closing and errors)
/// </summary>
/// <param name="elem">New item to add</param>
public void ClearAndEnqueue(WorkQueueElement elem)
{
lock (m_queue)
{
m_queue.Clear();
m_queue.Enqueue(elem);
m_queueHasItemsEvent.Set();
}
}
/// <summary>
/// Clear the queue and add 1 item in the same operation. This is useful
/// for operation that take precedence over all others (like closing and errors)
/// </summary>
/// <param name="elem">New item to add</param>
public void ClearAndEnqueue(WorkQueueElement elem)
{
lock (m_queue)
{
m_queue.Clear();
m_queue.Enqueue(elem);
m_queueHasItemsEvent.Set();
}
}
private void timer_Tick(object sender)
{
Utility.Trace(String.Format("MUXProvider.timer_Tick second {0}", m_sec));
if (m_sec > 5)
{
// stop the timer
m_timer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
WorkQueueElement element = new WorkQueueElement(WorkQueueElement.Command.Close, null, 0, ChannelID);
m_workQueue.Enqueue(element);
Utility.Trace("MUXProvider.timer_Tick stopped!");
}
else
{
Stream tmp = null;
switch (m_sec)
{
case 0:
tmp = s1;
break;
case 1:
tmp = s2;
break;
case 2:
tmp = s3;
break;
case 3:
tmp = s4;
break;
case 4:
tmp = s5;
break;
case 5:
tmp = s6;
break;
default:
break;
}
WorkQueueElement element = new WorkQueueElement(
WorkQueueElement.Command.Sample,
tmp,
m_sec,
ChannelID
);
m_workQueue.Enqueue(element);
}
m_sec++;
}
public void WorkerThreadRun()
{
while (true)
{
if (curChannelIdx != m_MUXprovider.ChannelID)
{
m_abuffer.Enqueue(null);
m_vbuffer.Enqueue(null);
Utility.Trace("Thread forced exit, channel ID changed! --" + m_WorkerThread.Name);
// the end of the queue, terminate thread
return;
}
Utility.Trace(" m_MUXSourceQueue WaitForWorkItem " + m_WorkerThread.Name);
m_MUXSourceQueue.WaitForWorkItem();
WorkQueueElement elem = m_MUXSourceQueue.Dequeue();
if (elem == null)
{
continue;
}
Utility.Trace(String.Format(" m_MUXSourceQueue get an item, elem.ChannelId = {0},curChannelIdx = {1} ", elem.ChannelID, curChannelIdx) + m_WorkerThread.Name);
// then try to parse the stream
var command = elem.CommandToPerform;
if ((command == WorkQueueElement.Command.Close) &&
(curChannelIdx == elem.ChannelID))
{
m_abuffer.Enqueue(null);
m_vbuffer.Enqueue(null);
Utility.Trace("Thread normal exit --" + m_WorkerThread.Name);
// the end of the queue, terminate thread
return;
}
if ((command == WorkQueueElement.Command.Sample) &&
(curChannelIdx == elem.ChannelID))
{
var v = m_demux2.ParseEntireMUX(elem.Stream);
if (elem.TimeIdx == 0)
{
// the first second
AdjustTimeStampOf1stSecond(v[curChannelIdx].msf);
}
AdjustTimeStampBase(v[curChannelIdx].msf, elem.TimeIdx);
m_abuffer.Enqueue(v[curChannelIdx].msf.audioBlock);
m_vbuffer.Enqueue(v[curChannelIdx].msf.videoBlock);
}
}
}
/// <summary>
/// Enqueue a new work item
/// </summary>
/// <param name="elem">the item to add</param>
public void Enqueue(WorkQueueElement elem)
{
lock (m_queue)
{
m_queue.Enqueue(elem);
if (1 == m_queue.Count)
{
m_queueHasItemsEvent.Set();
}
}
}
/// <summary>
/// Remove and return an item from the queue
/// </summary>
/// <returns>next item from the queue</returns>
public WorkQueueElement Dequeue()
{
WorkQueueElement elem = null;
lock (m_queue)
{
if (0 != m_queue.Count)
{
elem = m_queue.Dequeue();
if (0 == m_queue.Count)
{
m_queueHasItemsEvent.Reset();
}
}
}
return(elem);
}
public void WorkerThreadRun()
{
while (true)
{
//if ( m_AmediaStreamEnd)
//{
// ReportGetSampleCompleted(new MediaStreamSample(this.audioStreamDescription, null, 0, 0, 0, emptyDict));
// Utility.Trace("Worker thread sent audio media end again ");
// continue;
//}
//if ( m_VmediaStreamEnd)
//{
// ReportGetSampleCompleted(new MediaStreamSample(this.videoStreamDescription, null, 0, 0, 0, emptyDict));
// Utility.Trace("Worker thread sent video media end again ");
// continue;
//}
//if (m_AmediaStreamEnd && m_VmediaStreamEnd)
//{
// ReportGetSampleCompleted(new MediaStreamSample(this.audioStreamDescription, null, 0, 0, 0, emptyDict));
// ReportGetSampleCompleted(new MediaStreamSample(this.videoStreamDescription, null, 0, 0, 0, emptyDict));
// Utility.Trace("Worker thread exit with both media end ");
// m_commands.Clear();
// return;
//}
Utility.Trace("Worker thread wait for command ");
m_commands.WaitForWorkItem();
Utility.Trace("Worker thread got an command ");
WorkQueueElement elem = m_commands.Dequeue();
if (elem.CommandToPerform == WorkQueueElement.Command.Close)
{
Utility.Trace("Worker thread exit with close event ");
m_commands.Clear();
return;
}
MediaStreamType mediaStreamType = (MediaStreamType)elem.CommandParameter;
//if (m_AmediaStreamEnd && m_VmediaStreamEnd)
//{
// Utility.Trace("Worker thread exit with both media end ");
// m_aBufferFullEvent.Dispose();
// m_vBufferFullEvent.Dispose();
// m_commands.Clear();
// m_commands.Dispose();
// return;
//}
//if ((mediaStreamType == MediaStreamType.Audio) && m_AmediaStreamEnd)
//{
// ReportGetSampleCompleted(new MediaStreamSample(this.audioStreamDescription, null, 0, 0, 0, emptyDict));
// Utility.Trace("Worker thread sent audio media end again ");
// continue;
//}
//if ((mediaStreamType == MediaStreamType.Video) && m_VmediaStreamEnd)
//{
// ReportGetSampleCompleted(new MediaStreamSample(this.videoStreamDescription, null, 0, 0, 0, emptyDict));
// Utility.Trace("Worker thread sent video media end again ");
// continue;
//}
if (elem.CommandToPerform == WorkQueueElement.Command.Sample)
{
// to check the buffer depth
if (mediaStreamType == MediaStreamType.Audio)
{
if (m_abuffer.Count() == 0)
{
if (m_ParserThread.ThreadState != ThreadState.Stopped)
{
ReportGetSampleProgress(0.5f);
Utility.Trace("Worker thread ReportGetSampleProgress sent for Audio, and wait for buffer full");
m_aBufferFullEvent.WaitOne();
Utility.Trace("Worker thread audio buffer full");
}
else
{
Utility.Trace("m_ParserThread has been stopped!, so keep going");
}
ReportGetSampleCompleted(GetAudioSample2());
}
else
{
ReportGetSampleCompleted(GetAudioSample2());
}
}
else if (mediaStreamType == MediaStreamType.Video)
{
if (m_vbuffer.Count() == 0)
{
if (m_ParserThread.ThreadState != ThreadState.Stopped)
{
ReportGetSampleProgress(0.5f);
Utility.Trace("Worker thread ReportGetSampleProgress sent for Video ");
m_vBufferFullEvent.WaitOne();
Utility.Trace("Worker thread video buffer full");
}
else
{
Utility.Trace("m_ParserThread has been stopped!, so keep going");
}
ReportGetSampleCompleted(GetVideoSample2());
}
else
{
ReportGetSampleCompleted(GetVideoSample2());
}
}
}
}
}
private void timer_Tick(object sender)
{
Utility.Trace(String.Format("MUXProvider.timer_Tick second {0}", m_sec));
if (m_sec > 5)
{
// stop the timer
m_timer.Change(System.Threading.Timeout.Infinite, System.Threading.Timeout.Infinite);
WorkQueueElement element = new WorkQueueElement(WorkQueueElement.Command.Close, null, 0, ChannelID);
m_workQueue.Enqueue(element);
Utility.Trace("MUXProvider.timer_Tick stopped!");
}
else
{
Stream tmp = null;
switch (m_sec)
{
case 0:
tmp = s1;
break;
case 1:
tmp = s2;
break;
case 2:
tmp = s3;
break;
case 3:
tmp = s4;
break;
case 4:
tmp = s5;
break;
case 5:
tmp = s6;
break;
default:
break;
}
WorkQueueElement element = new WorkQueueElement(
WorkQueueElement.Command.Sample,
tmp,
m_sec,
ChannelID
);
m_workQueue.Enqueue(element);
}
m_sec++;
}
/// <summary>
/// Enqueue a new work item
/// </summary>
/// <param name="elem">the item to add</param>
public void Enqueue(WorkQueueElement elem)
{
lock (m_queue)
{
m_queue.Enqueue(elem);
if (1 == m_queue.Count)
{
m_queueHasItemsEvent.Set();
}
}
}