public void Dispose()
{
if (_clips != null)
{
foreach (IClip clip in _clips)
{
clip.Dispose();
}
_clips = null;
}
if (_effects != null)
{
foreach (IEffect effect in _effects)
{
effect.Dispose();
}
_effects = null;
}
if (_transitions != null)
{
foreach (ITransition transition in _transitions)
{
transition.Dispose();
}
_transitions = null;
}
if (_track != null)
{
Marshal.ReleaseComObject(_track);
_track = null;
}
}
private void InitVideo()
{
int hr;
IAMTimelineGroup pVideoGroup = (IAMTimelineGroup)m_pVideoGroupObj;
// all we set is the major type. The group will automatically use other defaults
AMMediaType VideoGroupType = new AMMediaType();
VideoGroupType.majorType = MediaType.Video;
hr = pVideoGroup.SetMediaType(VideoGroupType);
DESError.ThrowExceptionForHR(hr);
DsUtils.FreeAMMediaType(VideoGroupType);
// add the video group to the timeline
hr = m_pTimeline.AddGroup(m_pVideoGroupObj);
DESError.ThrowExceptionForHR(hr);
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)m_pVideoGroupObj;
hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
DESError.ThrowExceptionForHR(hr);
m_VideoTrack = (IAMTimelineTrack)pTrack1Obj;
}
/// <summary>
/// Add Color to video group on Layer
/// </summary>
private void AddColor(IAMTimelineTrack myTrack, Color sColor, long StartTime, long EndTime)
{
int hr;
IAMTimelineObj pSource1Obj;
// create the timeline source object
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
try
{
// set up source length
hr = pSource1Obj.SetStartStop(StartTime, EndTime);
DESError.ThrowExceptionForHR(hr);
DESTransition.SetColor(pSource1Obj, sColor);
// Connect the track to the source
hr = myTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
}
}
/// <summary>
/// add Source to video group
/// </summary>
private void AddSource(IAMTimelineTrack myTrack, string SourceFile, long StartTime, long EndTime)
{
int hr;
IAMTimelineObj pSource1Obj;
// create the timeline source object
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
try
{
// set up source length
hr = pSource1Obj.SetStartStop(StartTime, EndTime);
DESError.ThrowExceptionForHR(hr);
IAMTimelineSrc pSource1Src = (IAMTimelineSrc)pSource1Obj;
// Set the file name
hr = pSource1Src.SetMediaName(SourceFile);
DESError.ThrowExceptionForHR(hr);
// Set the start/end
hr = pSource1Src.SetMediaLength(EndTime - StartTime);
DESError.ThrowExceptionForHR(hr);
hr = pSource1Src.SetStretchMode(0);
// Set the times, get back the times adjusted to fit the frame rate
hr = pSource1Src.FixMediaTimes(ref StartTime, ref EndTime);
DESError.ThrowExceptionForHR(hr);
// Connect the track to the source
hr = myTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
}
}
/// <summary>
/// add Transition on IAMTimelineTrack
/// 如何把效果加入到层上
/// 进入Direction设置为True,推出false
/// </summary>
public static int SetTransition(ref IAMTimeline m_pTimeline, IAMTimelineTrack pTrac, Guid EffectGUID, bool Direction, long StartTime, long EndTime, Property[] parArr)
{
int hr;
IAMTimelineObj pTransObj;
IAMTimelineTransable pTransable = (IAMTimelineTransable)pTrac;
hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Transition);
hr = pTransable.TransAdd(pTransObj);
pTransObj.SetStartStop(StartTime, EndTime);
hr = pTransObj.SetSubObjectGUID(EffectGUID);
IPropertySetter ipro = (IPropertySetter) new PropertySetter();
if (parArr != null && parArr.Length > 0)
{
foreach (Property pro in parArr)
{
if (pro != null)
{
DESHelper.AddParameter(ipro, pro.Name, pro.Value);
}
}
}
DESHelper.AddParameter(ipro, "Duration", EndTime / DESConsts.UNITS - StartTime / DESConsts.UNITS);
hr = pTransObj.SetPropertySetter(ipro);
//Set transition Direction
if (Direction)
{
IAMTimelineTrans pTrans = (IAMTimelineTrans)pTransObj;
pTrans.SetSwapInputs(true);
}
return(hr);
}
private void TestDuration()
{
int hr;
long l;
double d;
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)m_pVideoGroup;
hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
DESError.ThrowExceptionForHR(hr);
m_VideoTrack = (IAMTimelineTrack)pTrack1Obj;
AddVideo("foo.avi");
AddVideo("foxo.avi");
hr = m_pTimeline.GetDuration(out l);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(l == 10000000000, "Duration");
hr = m_pTimeline.GetDuration2(out d);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(d == 1000.0, "GetDuration2");
hr = m_pTimeline.ValidateSourceNames(SFNValidateFlags.Replace | SFNValidateFlags.Check | SFNValidateFlags.Popup, this, IntPtr.Zero);
DESError.ThrowExceptionForHR(hr);
}
public Track(ITrackContainer container, IAMTimeline timeline, IAMTimelineTrack track, string name, int priority)
{
_container = container;
_timeline = timeline;
_track = track;
_name = name;
_priority = priority;
int hr = timeline.GetDefaultFPS(out _fps);
DESError.ThrowExceptionForHR(hr);
}
public Track(ITrackContainer container, IAMTimeline timeline, IAMTimelineTrack track, string name, int priority)
{
_container = container;
_timeline = timeline;
_track = track;
_name = name;
_priority = priority;
int hr = timeline.GetDefaultFPS(out _fps);
DESError.ThrowExceptionForHR(hr);
}
/// <summary>
/// Set Transition Direction on IAMTimelineTrack
/// </summary>
public static int SetTransDirection(ref IAMTimeline m_pTimeline, IAMTimelineTrack pTrac, bool Direction, long StartTime, long EndTime)
{
int hr;
IAMTimelineObj pTransObj;
IAMTimelineTransable pTransable = (IAMTimelineTransable)pTrac;
hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Transition);
hr = pTransable.TransAdd(pTransObj);
pTransObj.SetStartStop(StartTime, EndTime);
IAMTimelineTrans pTrans = (IAMTimelineTrans)pTransObj;
pTrans.SetSwapInputs(true);
return(hr);
}
private void TestAreYouBlank() //def ok
{
bool ret = false;
int hr = 0;
IAMTimelineObj trackobj;
hr = m_pTimeline.CreateEmptyNode(out trackobj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
m_pTrack = (IAMTimelineTrack)trackobj;
hr = m_pTrack.AreYouBlank(out ret);
DESError.ThrowExceptionForHR(hr);
Debug.Assert(ret == true, "AreYouBlank");
}
/// <summary>
/// Set BackGround Effect on IAMTimelineTrack
/// 显示效果
/// </summary>
public static int SetEffect(ref IAMTimeline m_pTimeline, IAMTimelineTrack pTrac, Guid EffectGUID, long starttime, long endtime, Property[] parArr)
{
IAMTimelineObj pTransObj;
int hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Effect);
IAMTimelineEffectable aEffectable = (IAMTimelineEffectable)pTrac;
pTransObj.SetStartStop(starttime, endtime);
pTransObj.SetSubObjectGUID(EffectGUID);
aEffectable.EffectInsBefore(pTransObj, -1);
IPropertySetter ipro = (IPropertySetter) new PropertySetter();
if (parArr != null)
{
foreach (Property pro in parArr)
{
DESHelper.AddParameter(ipro, pro.Name, pro.Value);
}
}
DESHelper.AddParameter(ipro, "Duration", endtime / DESConsts.UNITS - starttime / DESConsts.UNITS);
hr = pTransObj.SetPropertySetter(ipro);
return(hr);
}
/// <summary>
/// Release everything
/// </summary>
public void Dispose()
{
if (m_Track != null)
{
Marshal.ReleaseComObject(m_Track);
m_Track = null;
}
m_Files = null;
m_Length = 0;
GC.SuppressFinalize(this);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="mType">Media type of the new group</param>
/// <param name="pTimeline">Timeline to use for the group</param>
/// <param name="fps">FPS for the group</param>
public Group(AMMediaType mType, IAMTimeline pTimeline, double fps)
{
int hr;
IAMTimelineObj pGroupObj;
m_Length = 0;
m_Files = new ArrayList();
m_FPS = fps;
m_pTimeline = pTimeline;
// make the root group/composition
hr = m_pTimeline.CreateEmptyNode( out pGroupObj, TimelineMajorType.Group);
DESError.ThrowExceptionForHR(hr);
try
{
IAMTimelineGroup pGroup = (IAMTimelineGroup)pGroupObj;
// Set the media type we just created
hr = pGroup.SetMediaType( mType );
DESError.ThrowExceptionForHR(hr);
DsUtils.FreeAMMediaType(mType);
// add the video group to the timeline
hr = m_pTimeline.AddGroup( pGroupObj );
DESError.ThrowExceptionForHR(hr);
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)pGroupObj;
hr = pRootComp.VTrackInsBefore( pTrack1Obj, -1 );
DESError.ThrowExceptionForHR(hr);
m_Track = (IAMTimelineTrack)pTrack1Obj;
}
finally
{
Marshal.ReleaseComObject(pGroupObj);
}
//Marshal.ReleaseComObject(pTrack1Obj); // Released as m_VideoTrack in dispose
}
/// <summary>
/// Add a file to the group
/// </summary>
/// <param name="sName">File name+path to add</param>
/// <param name="lStart">Start point in source file in UNITS</param>
/// <param name="lEnd">End point in source file in UNITS or -1 to add entire file</param>
public void Add(string sName, long lStart, long lEnd)
{
int hr;
long lLength;
// Create a mediafile object to hold the file
MediaFile mf = new MediaFile(sName);
// Add it to the list of files
m_Files.Add(mf);
// If the endpoint is -1, find the real file length
if (lEnd < 0)
{
lEnd = mf.Length;
}
lLength = lEnd - lStart;
// create the timeline source object
IAMTimelineObj pSource1Obj;
hr = m_pTimeline.CreateEmptyNode(out pSource1Obj, TimelineMajorType.Source);
DESError.ThrowExceptionForHR(hr);
// Create track
IAMTimelineObj pTrack1Obj;
hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
DESError.ThrowExceptionForHR(hr);
try
{
// Set start and stop time of the file in the target timeline
hr = pSource1Obj.SetStartStop(m_Length, lLength + m_Length);
DESError.ThrowExceptionForHR(hr);
IAMTimelineSrc pSource1Src = (IAMTimelineSrc)pSource1Obj;
// Set the file name
hr = pSource1Src.SetMediaName(mf.FileName);
DESError.ThrowExceptionForHR(hr);
// Set the start/end
hr = pSource1Src.SetMediaTimes(lStart, lEnd);
DESError.ThrowExceptionForHR(hr);
// tell the composition about the track
IAMTimelineComp pRootComp = (IAMTimelineComp)m_pGroup;
hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
DESError.ThrowExceptionForHR(hr);
IAMTimelineTrack pTrack = (IAMTimelineTrack)pTrack1Obj;
// Connect the track to the source
hr = pTrack.SrcAdd(pSource1Obj);
DESError.ThrowExceptionForHR(hr);
// Set the times, get back the times adjusted to fit the frame rate
hr = pSource1Src.FixMediaTimes(ref lStart, ref lEnd);
DESError.ThrowExceptionForHR(hr);
// Calculate the last frame number for the file
double d1 = (lEnd - lStart);
double d2 = (DESCombine.UNITS / m_FPS);
double d3 = d1 / d2;
int d4 = (int)Math.Round(d3);
// Update the MediaFile (used to see when we've walked past
// the end of a file)
mf.LengthInFrames = d4;
}
finally
{
Marshal.ReleaseComObject(pSource1Obj);
Marshal.ReleaseComObject(pTrack1Obj);
}
m_Length += lLength;
}
private void Dispose(bool disposing)
{
if (disposing)
{
if (_clips != null)
{
foreach (IClip clip in _clips)
{
clip.Dispose();
}
_clips = null;
}
if (_effects != null)
{
foreach (IEffect effect in _effects)
{
effect.Dispose();
}
_effects = null;
}
if (_transitions != null)
{
foreach (ITransition transition in _transitions)
{
transition.Dispose();
}
_transitions = null;
}
}
if (_track != null)
{
Marshal.ReleaseComObject(_track);
_track = null;
}
}
