void RenderThread(object obj)
{
IntPtr hWnd = (IntPtr)obj;
AxisMediaViewer viewer = new AxisMediaViewer();
viewer.VMR9 = true;
try
{
using (FileStream inFileStream = new FileStream(videoPath, FileMode.Open)) using (BinaryReader inFile = new BinaryReader(inFileStream, Encoding.UTF32))
{
if (inFile.PeekChar() != -1)
{
int mediaTypeSize = inFile.ReadInt32();
byte[] mediaTypeBuffer = inFile.ReadBytes(mediaTypeSize);
long startPosition = inFile.BaseStream.Position;
while (true)
{
viewer.Init(1, mediaTypeBuffer, hWnd.ToInt64());
viewer.Start();
while (inFile.PeekChar() != -1)
{
// Read frame data
int sampleType = inFile.ReadInt32();
int sampleFlags = inFile.ReadInt32();
ulong startTime = inFile.ReadUInt64();
ulong stopTime = inFile.ReadUInt64();
int bufferSize = inFile.ReadInt32();
byte[] bufferBytes = inFile.ReadBytes(bufferSize);
// Check that it’s not an audio sample.
if (sampleType != (int)AMV_VIDEO_SAMPLE_TYPE.AMV_VST_MPEG4_AUDIO)
{
// Let the viewer render the frame
viewer.SetVideoPosition(VideoXPos, VideoYPos, VideoXPos + VideoWidth, VideoYPos + VideoHeight);
viewer.RenderVideoSample(sampleFlags, startTime, stopTime, bufferBytes);
}
}
inFile.BaseStream.Position = startPosition;
viewer.Stop();
}
}
else
{
Console.WriteLine(string.Format("File at {0} is empty or malformed", videoPath));
Environment.Exit(0);
}
}
}
catch (COMException e)
{
MessageBox.Show(string.Format("Exception {0}", e.Message));
}
}
/// <summary>
/// 回调_视频信息
/// </summary>
/// <param name="cookieID"></param>
/// <param name="sampleType"></param>
/// <param name="sampleFlags"></param>
/// <param name="startTime"></param>
/// <param name="stopTime"></param>
/// <param name="SampleArray"></param>
private void OnVideoSample(int cookieID, int sampleType,
int sampleFlags, ulong startTime, ulong stopTime, object SampleArray)
{
#region 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);
}
}
#endregion
long renderStartTime = 0;
long renderStopTime = 1;
if ((long)startTime + parser.LiveTimeOffset > 0)
{
renderStartTime = (long)startTime + parser.LiveTimeOffset;
renderStopTime = (long)stopTime + parser.LiveTimeOffset;
}
viewer.RenderVideoSample(sampleFlags, (ulong)renderStartTime, (ulong)renderStopTime, SampleArray);
VideoPlayCallback(new VideoPlayCallbackValue {
evType = Enum_VideoPlayEventType.VideoPlay
});
VideoPlayState = Enum_VideoPlayState.InPlayState;
}
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));
}
}
void renderThreadDoUpdate(object obj)
{
if (!File.Exists(m_videoPath))
{
Console.WriteLine("startRenderThread: Could not find file {0}, exiting", m_videoPath);
throw new Exception("File Not Found");
}
using (FileStream inFileStream = new FileStream(m_videoPath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader inFile = new BinaryReader(inFileStream, Encoding.UTF32))
{
if (inFile.PeekChar() == -1)
{
Console.WriteLine("startRenderThread: file {0} is empty, exiting", m_videoPath);
throw new Exception("File is Empty");
}
IntPtr hWnd = (IntPtr)obj;
int mediaTypeSize = inFile.ReadInt32();
byte[] mediaTypeBuffer = inFile.ReadBytes(mediaTypeSize);
long headerOffset = inFileStream.Position; // save the width of the header so we don't read it again.
while (true)
{
AxisMediaViewer viewer = new AxisMediaViewer();
viewer.VMR9 = true;
try
{
viewer.Init(0, mediaTypeBuffer, hWnd.ToInt64());
}
catch (Exception e)
{
Console.WriteLine("Got Exception initializing player: {0} exiting", e);
throw new Exception("Failed to Initialize Player");
}
viewer.SetVideoPosition(m_videoXPos, m_videoYPos, m_videoXPos + m_videoWidth, m_videoYPos + m_videoHeight);
viewer.Start();
while (inFile.PeekChar() != -1)
{
// Read frame data
int sampleType = inFile.ReadInt32();
int sampleFlags = inFile.ReadInt32();
ulong startTime = inFile.ReadUInt64();
ulong stopTime = inFile.ReadUInt64();
int bufferSize = inFile.ReadInt32();
byte[] bufferBytes = inFile.ReadBytes(bufferSize);
if (sampleType != (int)AMV_VIDEO_SAMPLE_TYPE.AMV_VST_MPEG4_AUDIO && bufferSize > 0)
{
try
{
viewer.RenderVideoSample(sampleFlags, startTime, stopTime, bufferBytes);
}
catch (Exception e)
{
Console.WriteLine("Caught Exception {0} when trying to render frame.", e);
}
}
}
inFileStream.Position = headerOffset;
viewer.Stop();
}
}
}
}