/// <summary>
/// Callback from subtitle filter, alerting us that a new subtitle is available
/// It receives the new subtitle as the argument sub, which data is only valid
/// for the duration of OnSubtitle.
/// </summary>
/// <returns></returns>
public int OnSubtitle(ref NATIVE_SUBTITLE sub)
{
if (!_useBitmap || !_renderSubtitles)
{
return(0);
// TODO: Might be good to let this cache and then check in Render method because bitmap subs arrive a while before display
}
Log.Debug("OnSubtitle - stream position " + _player.StreamPosition);
lock (_alert)
{
try
{
Log.Debug("SubtitleRenderer: Bitmap: bpp=" + sub.bmBitsPixel + " planes " + sub.bmPlanes + " dim = " +
sub.bmWidth + " x " + sub.bmHeight + " stride : " + sub.bmWidthBytes);
Log.Debug("SubtitleRenderer: to = " + sub.timeOut + " ts=" + sub.timeStamp + " fsl=" + sub.firstScanLine +
" h pos=" + sub.horizontalPosition + " (startPos = " + _startPos + ")");
Subtitle subtitle = new Subtitle();
subtitle.subBitmap = new Bitmap(sub.bmWidth, sub.bmHeight, PixelFormat.Format32bppArgb);
subtitle.timeOut = sub.timeOut;
subtitle.presentTime = ((double)sub.timeStamp / 1000.0f) + _startPos; // compute present time in SECONDS
subtitle.height = (uint)sub.bmHeight;
subtitle.width = (uint)sub.bmWidth;
subtitle.screenHeight = (uint)sub.screenHeight;
subtitle.screenWidth = (uint)sub.screenWidth;
subtitle.firstScanLine = sub.firstScanLine;
subtitle.horizontalPosition = sub.horizontalPosition;
subtitle.id = _subCounter++;
//Log.Debug("Received Subtitle : " + subtitle.ToString());
Texture texture = null;
try
{
// allocate new texture
texture = new Texture(GUIGraphicsContext.DX9Device, (int)subtitle.width, (int)subtitle.height, 1,
Usage.Dynamic,
Format.A8R8G8B8, GUIGraphicsContext.GetTexturePoolType());
if (texture == null)
{
Log.Debug("OnSubtitle: Failed to create new texture!");
return(0);
}
int pitch;
using (GraphicsStream a = texture.LockRectangle(0, LockFlags.Discard, out pitch))
{
// Quick copy of content
unsafe
{
byte *to = (byte *)a.InternalDataPointer;
byte *from = (byte *)sub.bmBits;
for (int y = 0; y < sub.bmHeight; ++y)
{
for (int x = 0; x < sub.bmWidth * 4; ++x)
{
to[pitch * y + x] = from[y * sub.bmWidthBytes + x];
}
}
}
a.Close();
}
texture.UnlockRectangle(0);
subtitle.texture = texture;
}
catch (Exception)
{
Log.Debug("OnSubtitle: Failed to copy bitmap data!");
return(0);
}
AddSubtitle(subtitle);
}
catch (Exception e)
{
Log.Error(e);
}
}
return(0);
}
/// <summary>
/// Callback from subtitle filter, alerting us that a new subtitle is available
/// It receives the new subtitle as the argument sub, which data is only valid
/// for the duration of OnSubtitle.
/// </summary>
/// <returns></returns>
public int OnSubtitle(ref NATIVE_SUBTITLE sub)
{
if (!_useBitmap || !_renderSubtitles)
{
return 0;
// TODO: Might be good to let this cache and then check in Render method because bitmap subs arrive a while before display
}
Log.Debug("OnSubtitle - stream position " + _player.StreamPosition);
lock (_alert)
{
try
{
Log.Debug("SubtitleRenderer: Bitmap: bpp=" + sub.bmBitsPixel + " planes " + sub.bmPlanes + " dim = " +
sub.bmWidth + " x " + sub.bmHeight + " stride : " + sub.bmWidthBytes);
Log.Debug("SubtitleRenderer: to = " + sub.timeOut + " ts=" + sub.timeStamp + " fsl=" + sub.firstScanLine +
" h pos=" + sub.horizontalPosition + " (startPos = " + _startPos + ")");
Subtitle subtitle = new Subtitle();
subtitle.subBitmap = new Bitmap(sub.bmWidth, sub.bmHeight, PixelFormat.Format32bppArgb);
subtitle.timeOut = sub.timeOut;
subtitle.presentTime = ((double)sub.timeStamp / 1000.0f) + _startPos; // compute present time in SECONDS
subtitle.height = (uint)sub.bmHeight;
subtitle.width = (uint)sub.bmWidth;
subtitle.screenHeight = (uint)sub.screenHeight;
subtitle.screenWidth = (uint)sub.screenWidth;
subtitle.firstScanLine = sub.firstScanLine;
subtitle.horizontalPosition = sub.horizontalPosition;
subtitle.id = _subCounter++;
//Log.Debug("Received Subtitle : " + subtitle.ToString());
Texture texture = null;
try
{
// allocate new texture
texture = new Texture(GUIGraphicsContext.DX9Device, (int)subtitle.width, (int)subtitle.height, 1,
Usage.Dynamic,
Format.A8R8G8B8, GUIGraphicsContext.GetTexturePoolType());
if (texture == null)
{
Log.Debug("OnSubtitle: Failed to create new texture!");
return 0;
}
int pitch;
using (GraphicsStream a = texture.LockRectangle(0, LockFlags.Discard, out pitch))
{
// Quick copy of content
unsafe
{
byte* to = (byte*)a.InternalDataPointer;
byte* from = (byte*)sub.bmBits;
for (int y = 0; y < sub.bmHeight; ++y)
{
for (int x = 0; x < sub.bmWidth * 4; ++x)
{
to[pitch * y + x] = from[y * sub.bmWidthBytes + x];
}
}
}
a.Close();
}
texture.UnlockRectangle(0);
subtitle.texture = texture;
}
catch (Exception)
{
Log.Debug("OnSubtitle: Failed to copy bitmap data!");
return 0;
}
AddSubtitle(subtitle);
}
catch (Exception e)
{
Log.Error(e);
}
}
return 0;
}
