/// <summary>
/// Cleans up the Video Player. Must be called when finished with the player.
/// </summary>
public virtual void Dispose()
{
isDisposed = true;
Stop();
CloseInterfaces();
m_videoDataRgba = null;
}
/// <summary>
/// Cleans up the Video Player. Must be called when finished with the player.
/// </summary>
public virtual void Dispose()
{
isDisposed = true;
Stop();
CloseInterfaces();
m_videoDataRgba = null;
}
/// <summary>
/// Creates a new Video Player. Automatically creates the required Texture2D on the specificied GraphicsDevice.
/// </summary>
/// <param name="FileName">The video file to open</param>
/// <param name="graphicsDevice">XNA Graphics Device</param>
protected VideoPlayer(string FileName)
{
try
{
// Set video state
currentState = VideoState.Stopped;
// Store Filename
filename = FileName;
// Open DirectShow Interfaces
InitInterfaces();
// Create a SampleGrabber Filter and add it to the FilterGraph
//SampleGrabber sg = new SampleGrabber();
var comtype = Type.GetTypeFromCLSID(Clsid.SampleGrabber);
if (comtype == null)
throw new NotSupportedException("DirectX (8.1 or higher) not installed?");
m_comObject = Activator.CreateInstance(comtype);
ISampleGrabber sampleGrabber = (ISampleGrabber)m_comObject;
m_graphBuilder.AddFilter((IBaseFilter)m_comObject, "Grabber");
// Setup Media type info for the SampleGrabber
AMMediaType mt = new AMMediaType();
mt.majorType = MEDIATYPE_Video; // Video
mt.subType = MEDIASUBTYPE_RGB32; // RGB32
mt.formatType = FORMAT_VideoInfo; // VideoInfo
sampleGrabber.SetMediaType(mt);
// Construct the rest of the FilterGraph
m_graphBuilder.RenderFile(filename, null);
// Set SampleGrabber Properties
sampleGrabber.SetBufferSamples(true);
sampleGrabber.SetOneShot(false);
sampleGrabber.SetCallback((ISampleGrabberCB)this, 1);
// Hide Default Video Window
IVideoWindow pVideoWindow = (IVideoWindow)m_graphBuilder;
//pVideoWindow.put_AutoShow(OABool.False);
pVideoWindow.put_AutoShow(0);
// Create AMMediaType to capture video information
AMMediaType MediaType = new AMMediaType();
sampleGrabber.GetConnectedMediaType(MediaType);
VideoInfoHeader pVideoHeader = new VideoInfoHeader();
Marshal.PtrToStructure(MediaType.formatPtr, pVideoHeader);
// Store video information
videoHeight = pVideoHeader.BmiHeader.Height;
videoWidth = pVideoHeader.BmiHeader.Width;
avgTimePerFrame = pVideoHeader.AvgTimePerFrame;
bitRate = pVideoHeader.BitRate;
m_mediaSeeking.GetDuration(out videoDuration);
// Create byte arrays to hold video data
m_videoDataRgba = new MySwapQueue<byte[]>(() => new byte[(videoHeight * videoWidth) * 4]); // RGBA format (4 bytes per pixel)
}
catch (Exception e)
{
throw new Exception("Unable to Load or Play the video file", e);
}
}
/// <summary>
/// Creates a new Video Player. Automatically creates the required Texture2D on the specificied GraphicsDevice.
/// </summary>
/// <param name="FileName">The video file to open</param>
/// <param name="graphicsDevice">XNA Graphics Device</param>
protected VideoPlayer(string FileName)
{
try
{
// Set video state
currentState = VideoState.Stopped;
// Store Filename
filename = FileName;
// Open DirectShow Interfaces
InitInterfaces();
// Create a SampleGrabber Filter and add it to the FilterGraph
//SampleGrabber sg = new SampleGrabber();
var comtype = Type.GetTypeFromCLSID(Clsid.SampleGrabber);
if (comtype == null)
{
throw new NotSupportedException("DirectX (8.1 or higher) not installed?");
}
m_comObject = Activator.CreateInstance(comtype);
ISampleGrabber sampleGrabber = (ISampleGrabber)m_comObject;
m_graphBuilder.AddFilter((IBaseFilter)m_comObject, "Grabber");
// Setup Media type info for the SampleGrabber
AMMediaType mt = new AMMediaType();
mt.majorType = MEDIATYPE_Video; // Video
mt.subType = MEDIASUBTYPE_RGB32; // RGB32
mt.formatType = FORMAT_VideoInfo; // VideoInfo
sampleGrabber.SetMediaType(mt);
// Construct the rest of the FilterGraph
m_graphBuilder.RenderFile(filename, null);
// Set SampleGrabber Properties
sampleGrabber.SetBufferSamples(true);
sampleGrabber.SetOneShot(false);
sampleGrabber.SetCallback((ISampleGrabberCB)this, 1);
// Hide Default Video Window
IVideoWindow pVideoWindow = (IVideoWindow)m_graphBuilder;
//pVideoWindow.put_AutoShow(OABool.False);
pVideoWindow.put_AutoShow(0);
// Create AMMediaType to capture video information
AMMediaType MediaType = new AMMediaType();
sampleGrabber.GetConnectedMediaType(MediaType);
VideoInfoHeader pVideoHeader = new VideoInfoHeader();
Marshal.PtrToStructure(MediaType.formatPtr, pVideoHeader);
// Store video information
videoHeight = pVideoHeader.BmiHeader.Height;
videoWidth = pVideoHeader.BmiHeader.Width;
avgTimePerFrame = pVideoHeader.AvgTimePerFrame;
bitRate = pVideoHeader.BitRate;
m_mediaSeeking.GetDuration(out videoDuration);
// Create byte arrays to hold video data
m_videoDataRgba = new MySwapQueue <byte[]>(() => new byte[(videoHeight * videoWidth) * 4]); // RGBA format (4 bytes per pixel)
}
catch (Exception e)
{
throw new Exception("Unable to Load or Play the video file", e);
}
}
