/// <summary>
///
/// </summary>
/// <param name="pGroup">Timeline group info</param>
/// <param name="pCallback">Client callback</param>
/// <param name="pEventSink">Event sync to call on file complete</param>
/// <param name="ec">Event code to send on file completion</param>
public AVCallback(
MediaGroup pGroup,
IDESCombineCB pCallback,
IMediaEventSink pEventSink,
EventCode ec
)
{
m_pCallback = pCallback;
m_Group = pGroup;
m_pEventSink = pEventSink;
m_ec = ec;
m_iCurFrame = 0;
m_iCurFile = 0;
MediaFile mf = m_Group.File(m_iCurFile);
if (mf != null)
{
m_CurFileName = mf.FileName;
m_iMaxFrame = mf.LengthInFrames;
}
else
{
m_CurFileName = null;
m_iMaxFrame = int.MaxValue;
}
}
/// <summary>
/// Construct the class
/// </summary>
/// <remarks>
/// The input files do not need to have the same height/width/fps. DES will
/// automatically convert them all to the values specified by the constructor.
/// </remarks>
/// <param name="FPS">Frames per second (commonly 15 or 30)</param>
/// <param name="BitCount">Color depth: 16, 24 or 32</param>
/// <param name="Width">Frame width (commonly 320, 640, etc)</param>
/// <param name="Height">Frame height (commonly 240, 480, etc)</param>
/// <param name="audio">support only audio files</param>
/// <param name="video">support only video files</param>
public DESCombine(double FPS, short BitCount, int Width, int Height, bool audio, bool video)
{
threadCompleted = true;
// Initialize the data members
m_State = ClassState.Constructed;
// Create the timeline
m_pTimeline = (IAMTimeline)new AMTimeline();
// Set the frames per second
int hr = m_pTimeline.SetDefaultFPS(FPS);
DESError.ThrowExceptionForHR(hr);
supportAudio = audio;
supportVideo = video;
if (supportVideo)
{
// Init the video group
m_Video = new MediaGroup(GetVideoMediaType(BitCount, Width, Height), m_pTimeline, FPS);
}
if (supportAudio)
{
// Init the audio group
m_Audio = new MediaGroup(GetAudioMediaType(), m_pTimeline, FPS);
}
this.ThreadFinished += new EventHandler(DESCombine_ThreadFinished);
}
/// <summary>
/// Release resources used by the class.
/// </summary>
/// <remarks>May fire events, so do not call from Form.Dispose().</remarks>
public void Dispose()
{
GC.SuppressFinalize(this);
this.ThreadFinished -= new EventHandler(DESCombine_ThreadFinished);
if (m_Video != null)
{
m_Video.Dispose();
m_Video = null;
}
if (m_Audio != null)
{
m_Audio.Dispose();
m_Audio = null;
}
if (m_pTimeline != null)
{
Marshal.ReleaseComObject(m_pTimeline);
m_pTimeline = null;
}
if (m_pRenderEngine != null)
{
Marshal.ReleaseComObject(m_pRenderEngine);
m_pRenderEngine = null;
}
#if DEBUG
if (m_rot != null)
{
m_rot.Dispose();
m_rot = null;
}
#endif
if (m_pControl != null)
{
m_pControl.Stop();
m_pControl = null;
}
if (m_pGraph != null)
{
// End event thread.
int hr = ((IMediaEventSink)this.m_pGraph).Notify(EventCode.UserAbort, IntPtr.Zero, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
while (!threadCompleted)
{
Thread.Sleep(2);
}
Marshal.ReleaseComObject(m_pGraph);
m_pGraph = null;
}
// No point in calling us from the Finalizer, we're already gone
GC.SuppressFinalize(this);
}
