private void CompositionTarget_Rendering(object sender, EventArgs e)
{
if (ShowFPS)
{
_frameCount++;
if (_clock != null && _clock.ElapsedMilliseconds >= 1000)
{
Window wnd_parent = Window.GetWindow(this);
if (wnd_parent != null)
{
wnd_parent.Title = string.Format("FPS: {0}", _frameCount);
}
_frameCount = 0;
_clock.Restart();
}
}
// Dirty hack to force WPF to refresh at vsync interval
// let pretend we always have something to redraw
// so funny tbh, who made that engine?????!!!???
this.Background = new SolidColorBrush(Color.FromRgb(0x0, 0x0, 0x0));
if (_media_wrapper == null)
{
return;
}
//event handling
if (MediaPosition != _media_wrapper.GetPosition() && Math.Abs(_last_position_measure - MediaPosition) > PositionChangedStep)
{
_last_position_measure = _media_wrapper.GetPosition();
MV_MediaPositionChangedEventArgs args = new MV_MediaPositionChangedEventArgs();
args.Position = _media_wrapper.GetPosition();
if (MediaPositionChanged != null)
{
MediaPositionChanged(this, args);
}
}
//update some media dependency properties
if (_media_wrapper.GetPosition() != MediaPosition)
{
this.SetValue(MediaPositionProperty, _media_wrapper.GetPosition());
}
if (_media_wrapper.GetDuration() != MediaDuration)
{
MediaDuration = _media_wrapper.GetDuration();
}
if ((int)MediaState != _media_wrapper.GetPlayerState())
{
MediaState = (MV_PlayerStateEnum)_media_wrapper.GetPlayerState();
MV_MediaStateChangedEventArgs args = new MV_MediaStateChangedEventArgs();
args.State = MediaState;
if (MediaStateChanged != null)
{
MediaStateChanged(this, args);
}
}
if (VideoWidth == 0 || VideoHeight == 0)
{
return;
}
if (HasOpenSubtitles)
{
bool IsNew = false;
bool IsEmpty = false;
List <string> textLines = new List <string>();
List <bool> textBoolFmt = new List <bool>();
List <bool> textItalicFmt = new List <bool>();
_media_wrapper.GetSubtitles(ref IsNew, ref IsEmpty, textLines, textBoolFmt, textItalicFmt);
if (SubtitleChanged != null && (IsNew || (IsEmpty && _lastSubtitleNotEmpty)))
{
MV_SubtitleEventArgs args = new MV_SubtitleEventArgs();
_lastSubtitleNotEmpty = !IsEmpty;
args.IsEmpty = IsEmpty;
args.IsNew = IsNew;
MV_SubtitleLines lines = new MV_SubtitleLines();
for (int a = 0; a < textLines.Count; a++)
{
MV_SubtitleLine line = new MV_SubtitleLine();
line.isBold = textBoolFmt[a];
line.isItalic = textItalicFmt[a];
line.Line = textLines[a];
lines.Add(line);
}
args.Lines = lines;
SubtitleChanged(this, args);
}
}
bool hasVideoFrame = _media_wrapper.RenderOffScreen();
if (hasVideoFrame && _d3d_surface == IntPtr.Zero)
{
_d3d_surface = _media_wrapper.GetOffScreenSurface();
if (_d3d_surface != IntPtr.Zero)
{
_d3d_render.Lock();
_d3d_render.SetBackBuffer(D3DResourceType.IDirect3DSurface9, _d3d_surface);
_d3d_render.Unlock();
//restore window focus
if (DecodingType == MV_DecodingTypeEnum.MV_RGBA || DecodingType == MV_DecodingTypeEnum.MV_YUV420P)
{
Window wnd = Window.GetWindow(this);
if (wnd != null)
{
wnd.Activate();
}
}
}
}
if (_d3d_render.IsFrontBufferAvailable && hasVideoFrame && _d3d_surface != IntPtr.Zero)
{
// lock the D3DImage
_d3d_render.Lock();
// invalidate the updated region of the D3DImage (in this case, the whole image)
_d3d_render.AddDirtyRect(new Int32Rect(0, 0, VideoWidth, VideoHeight));
// unlock the D3DImage
_d3d_render.Unlock();
}
}
private void MvPlayer_SubtitleChanged(object sender, MV_SubtitleEventArgs e)
{
ClearSubtitleLines();
if (e.Lines == null || e.Lines.Count == 0)
{
return;
}
//not elegant solution to set subtitle lines
//but its only example
//in true environment it should be more flexible collection management with visual items
int idx = e.Lines.Count - 1;
if (e.Lines.Count > 0)
{
subLine1.Text = e.Lines[idx].Line;
if (e.Lines[idx].isBold)
{
subLine1.FontWeight = FontWeights.Bold;
}
if (e.Lines[idx].isItalic)
{
subLine1.FontStyle = FontStyles.Italic;
}
idx--;
}
if (e.Lines.Count > 1)
{
subLine2.Text = e.Lines[idx].Line;
if (e.Lines[idx].isBold)
{
subLine2.FontWeight = FontWeights.Bold;
}
if (e.Lines[idx].isItalic)
{
subLine2.FontStyle = FontStyles.Italic;
}
idx--;
}
if (e.Lines.Count > 2)
{
subLine3.Text = e.Lines[idx].Line;
if (e.Lines[idx].isBold)
{
subLine3.FontWeight = FontWeights.Bold;
}
if (e.Lines[idx].isItalic)
{
subLine3.FontStyle = FontStyles.Italic;
}
idx--;
}
if (e.Lines.Count > 3)
{
subLine4.Text = e.Lines[idx].Line;
if (e.Lines[idx].isBold)
{
subLine4.FontWeight = FontWeights.Bold;
}
if (e.Lines[idx].isItalic)
{
subLine4.FontStyle = FontStyles.Italic;
}
}
}
