//void UpdateTimeDisplay(DateTime time)
//{
// if (InvokeRequired)
// {
// // If called from a non UI thread, let the UI thread perform the call
// BeginInvoke(new Action<DateTime>(UpdateTimeDisplay), new object[] { time });
// return;
// }
// // Update the time label
// this.Text = time.ToString("yyyy-MM-dd HH:mm:ss.fff");
//}
// Event handler from the parser for each audio frame buffer
private void OnAudioSample(int cookieID, int sampleType,
int sampleFlags, ulong startTime, ulong stopTime, object SampleArray)
{
// Let viewer render audio sample
//视频录像
if (CurrentVideoPlaySet.VideoRecordEnable)
{
lock (objVideoRecordLock)
{
byte[] bufferBytes = (byte[])SampleArray;
lstVideoRecord.AddRange(BitConverter.GetBytes(sampleType));
lstVideoRecord.AddRange(BitConverter.GetBytes(sampleFlags));
lstVideoRecord.AddRange(BitConverter.GetBytes(startTime));
lstVideoRecord.AddRange(BitConverter.GetBytes(stopTime));
lstVideoRecord.AddRange(BitConverter.GetBytes(bufferBytes.Length));
lstVideoRecord.AddRange(bufferBytes);
}
}
// Add LiveTimeOffset to original timestamp for optimal latency when rendering
long renderStartTime = 0;
long renderStopTime = 1;
if ((long)startTime + parser.LiveTimeOffset > 0)
{
renderStartTime = (long)startTime + parser.LiveTimeOffset;
renderStopTime = (long)stopTime + parser.LiveTimeOffset;
}
viewer.RenderAudioSample(sampleFlags, (ulong)renderStartTime, (ulong)renderStopTime, SampleArray);
}
private void RenderThread()
{
try
{
// While there are frames in the in file, read each frame and let the viewer render it
while (!doExitRenderThread)
{
AmpFileSample sample = null;
lock (seekingLock)
{
sample = fileParser.ReadSample();
}
if (sample == null)
{
// end-of-file reached - wait for all samples to render before stopping viewer
if (viewer.Flush())
{
BeginInvoke(new EndOfStreamDelegate(OnEndOfStream));
break;
}
}
else
{
switch (sample.SampleType)
{
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_VIDEO_CONFIG:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_VIDEO_IVOP:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_VIDEO_PVOP:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_VIDEO_BVOP:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_VIDEO_FRAGMENT:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MJPEG_VIDEO:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_H264_VIDEO_CONFIG:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_H264_VIDEO_IDR:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_H264_VIDEO_NON_IDR:
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_H264_VIDEO_SEI:
if ((viewer.PlayOptions & (int)AMV_PLAY_OPTIONS.AMV_PO_VIDEO) > 0)
{
if (playbackRate >= 32 && ((int)AMP_SAMPLE.AMP_S_SYNCPOINT & sample.SampleFlags) == 0)
{
// skip non-sync point video if playback rate is x32 or higher
continue;
}
viewer.RenderVideoSample(sample.SampleFlags, sample.StartTime,
sample.StopTime, sample.Buffer);
}
break;
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_MPEG4_AUDIO:
if ((viewer.PlayOptions & (int)AMV_PLAY_OPTIONS.AMV_PO_AUDIO) > 0)
{
viewer.RenderAudioSample(sample.SampleFlags, sample.StartTime,
sample.StopTime, sample.Buffer);
}
break;
case (int)AMP_VIDEO_SAMPLE_TYPE.AMP_VST_METADATA_ONVIF:
if ((viewer.PlayOptions & (int)AMV_PLAY_OPTIONS.AMV_PO_META) > 0)
{
string metadataDoc = System.Text.Encoding.UTF8.GetString(sample.Buffer);
viewer.RenderMetadataSample(sample.SampleFlags, sample.StartTime,
sample.StopTime, metadataDoc);
}
break;
default:
throw new Exception("Unknown sample type");
}
}
}
}
catch (COMException e)
{
MessageBox.Show(string.Format("Exception for {0}, {1}", CurrentVideoRecordInfo.RecordPath, e.Message));
}
}
