public PlayerCore(string file)
{
graphBuilder = (new FilterGraph()) as IFilterGraph2;
if (graphBuilder == null) return;
mediaControl = graphBuilder as IMediaControl;
mediaSeeking = graphBuilder as IMediaSeeking;
audioControl = graphBuilder as IBasicAudio;
if (mediaControl == null || mediaSeeking == null || audioControl == null) return;
//int hr = mediaControl.RenderFile(file);
FileInfo info = new FileInfo(file);
ISupport support = Supports.Instance[info.Extension];
int hr = -1;
if (support != null)
hr = support.RenderGraph(graphBuilder, file);
else
hr = mediaControl.RenderFile(file);
fileName = file;
if (hr != 0) errorStack.Push(hr);
if (hr != 0) return;
mediaSeeking.SetTimeFormat(TimeFormat.MediaTime);
isValidate = true;
window = graphBuilder as IVideoWindow;
if (window != null)
{
int width = 0;
int height = 0;
window.get_Width(out width);
window.get_Height(out height);
nativeSize = new Size(width, height);
}
}
////////////////
/// Get/Put Width
private void TestWidth()
{
int hr;
int Width1, Width2;
// Read the current value
hr = m_ivw.get_Width(out Width1);
Marshal.ThrowExceptionForHR(hr);
// Change it
hr = m_ivw.put_Width(Width1 + 1);
Marshal.ThrowExceptionForHR(hr);
// Re-read
hr = m_ivw.get_Width(out Width2);
Marshal.ThrowExceptionForHR(hr);
// Make sure the value we set is what we just read
Debug.Assert(Width1 + 1 == Width2, "Put/Get Width");
}
public override void Init()
{
if (!isPlaying)
{
string Filename = "";
float size = 0;
double Max = 0;
int volume = 0;
graph = new FilterGraph() as IFilterGraph;
media = graph as IMediaControl;
eventEx = media as IMediaEventEx;
igb = media as IGraphBuilder;
imp = igb as IMediaPosition;
master.form.Invoke((MethodInvoker)delegate()
{
Filename = master.form.M_Filename.Text;
media.RenderFile(Filename);
size = (float)master.form.M_PrevSize.Value;
master.form.M_PrevSize.Enabled = false;
imp.get_Duration(out Max);
master.form.M_Seek.Maximum = (int)(Max);
master.form.M_Seek.Value = 0;
volume = master.form.M_Volume.Value;
span = (uint)(1000000.0f / master.form.M_CollectFPS);
});
graph.FindFilterByName("Video Renderer", out render);
if (render != null)
{
window = render as IVideoWindow;
window.put_WindowStyle(
WindowStyle.Caption | WindowStyle.Child
);
window.put_WindowStyleEx(
WindowStyleEx.ToolWindow
);
window.put_Caption("ElectronicBoard - VideoPrev -");
int Width, Height, Left, Top;
window.get_Width(out Width);
window.get_Height(out Height);
window.get_Left(out Left);
window.get_Top(out Top);
renderSize.Width = (int)(Width * size);
renderSize.Height = (int)(Height * size);
Aspect = (float)renderSize.Height / (float)renderSize.Width;
window.SetWindowPosition(Left, Top, renderSize.Width, renderSize.Height);
eventEx = media as IMediaEventEx;
eventEx.SetNotifyWindow(master.form.Handle, WM_DirectShow, IntPtr.Zero);
media.Run();
foreach (Process p in Process.GetProcesses())
{
if (p.MainWindowTitle == "ElectronicBoard - VideoPrev -")
{
renderwindow = p.MainWindowHandle;
break;
}
}
isPlaying = true;
iba = media as IBasicAudio;
iba.put_Volume(volume);
//master.form.checkBox3_CheckedChanged(null, null);
master.Start();
}
}
}