private unsafe int OnFormatCallback(void **opaque, char *chroma, int *width, int *height, int *pitches, int *lines)
{
IntPtr pChroma = new IntPtr(chroma);
string chromaStr = Marshal.PtrToStringAnsi(pChroma);
ChromaType type;
if (!Enum.TryParse <ChromaType>(chromaStr, out type))
{
ArgumentException exc = new ArgumentException("Unsupported chroma type " + chromaStr);
if (m_excHandler != null)
{
m_excHandler(exc);
return(0);
}
else
{
throw exc;
}
}
m_format = new BitmapFormat(*width, *height, type);
if (m_formatSetupCB != null)
{
m_format = m_formatSetupCB(m_format);
}
Marshal.Copy(m_format.Chroma.ToUtf8(), 0, pChroma, 4);
*width = m_format.Width;
*height = m_format.Height;
for (int i = 0; i < m_format.Planes; i++)
{
pitches[i] = m_format.Pitches[i];
lines[i] = m_format.Lines[i];
}
if (m_pixelData != null)
{
m_pixelData.Dispose();
m_pixelData = null;
}
m_pixelData = new PlanarPixelData(m_format.PlaneSizes);
for (int i = 0; i < m_pixelData.Sizes.Length; i++)
{
m_planes[i] = new IntPtr(m_pixelData.Data[i]);
}
return(m_format.Planes);
}
protected override void Dispose(bool disposing)
{
IntPtr zero = IntPtr.Zero;
LibVlcMethods.libvlc_video_set_callbacks(m_hMediaPlayer, zero, zero, zero, zero);
if (m_pixelData != default(PlanarPixelData))
{
m_pixelData.Dispose();
}
if (disposing)
{
m_timer.Dispose();
m_callback = null;
m_callbacks.Clear();
}
}