public void Advance(int samples, int overrunThreshold, int advanceSamples, bool expectedUnderrun)
{
// Setup
_audioBuffer.OverrunThreshold = overrunThreshold;
_audioBuffer.ReadSpeed = 1;
for (int i = 0; i < samples; i++)
{
_audioBuffer.Write(1);
}
// Act
_audioBuffer.Advance(advanceSamples);
// Verify
Assert.AreEqual(expectedUnderrun, _audioBuffer.WaitForUnderrun(0));
}
override protected bool FrameSchedule()
{
bool bVideoAdded = false;
bool bAudioAdded = false;
uint nVideoFramesBuffered = 0, nAudioSamplesBuffered = 0;
long nAudioStreamTime = 0, nVideoStreamTime = 0;
Frame.Audio cFrameAudio;
Frame.Video cFrameVideo;
_dtLastTimeFrameScheduleCalled = DateTime.Now;
#region audio
if (!NextFrameAttached)
{
return(false);
}
try
{
nAudioSamplesBuffered = uint.MinValue;
if (
_nAudioBufferCapacity_InSamples >= nAudioSamplesBuffered + Preferences.nAudioSamplesPerFrame &&
null != (cFrameAudio = AudioFrameGet()) &&
null != cFrameAudio.aFrameBytes &&
0 < cFrameAudio.aFrameBytes.Length
)
{
cFrameAudio.Dispose();
bAudioAdded = true;
nAudioSamplesBuffered += Preferences.nAudioSamplesPerFrame;
_cAudioBuffer.Advance();
_nAudioQueueLength = (int)(nAudioSamplesBuffered / Preferences.nAudioSamplesPerFrame) + 1; //logging
}
}
catch (Exception ex)
{
(new Logger("DeckLinkFake", sName)).WriteError(ex);
}
// bug
//System.Threading.Thread.Sleep(20);
#endregion
#region video
try
{
nVideoFramesBuffered = uint.MinValue;
//BTL.Baetylus.nVideoFramesBuffered = nVideoFramesBuffered; //отладка
while (Preferences.nQueueDeviceLength > nVideoFramesBuffered) // (_nVideoBufferCapacity > nVideoFramesBuffered)
{
if (null == (cFrameVideo = VideoFrameGet()) || IntPtr.Zero == cFrameVideo.pFrameBytes) // _nFPS + _nVideoBufferExtraCapacity < nVideoFramesBuffered
{
(new Logger("DeckLinkFake", sName)).WriteDebug("got null instead of frame IN DECKLINK !!");
break;
}
bVideoAdded = true;
break;
lock (_ahFramesBuffersBinds)
{
if (!_ahFramesBuffersBinds.ContainsKey(cFrameVideo))
{
(new Logger("DeckLinkFake", sName)).WriteError(new Exception("полученный видео буфер не зарегистрирован [" + cFrameVideo.pFrameBytes.ToInt64() + "]"));
continue;
}
_cBugCatcherScheduleFrame.Enqueue(cFrameVideo, "FrameSchedule: [_ahFramesBuffersBinds.Count = " + _ahFramesBuffersBinds.Count + "]");
if (!Device._aCurrentFramesIDs.ContainsKey(cFrameVideo.nID))
{
(new Logger("DeckLinkFake", sName)).WriteDebug4("frame " + cFrameVideo.nID + " was added");
Device._aCurrentFramesIDs.Add(cFrameVideo.nID, _cStopWatch.ElapsedMilliseconds);
}
else if (0 < cFrameVideo.nID && _cVideoFrameEmpty.nID != cFrameVideo.nID) // && 0 < Baetylus.nVideoBufferCount
{
(new Logger("DeckLinkFake", sName)).WriteDebug("VERY STRANGE - 2 error [id=" + cFrameVideo.nID + "]");
}
}
bVideoAdded = true;
n__PROBA__AudioFramesBuffered = _nAudioQueueLength;
n__PROBA__VideoFramesBuffered = (int)nVideoFramesBuffered + 1;
break;
}
}
catch (Exception ex)
{
(new Logger("DeckLinkFake", sName)).WriteError(ex);
}
#endregion
return(bVideoAdded || bAudioAdded); //??
}
