/// <summary>
/// add Transition on IAMTimelineComp
/// 设置推出进入效果
/// </summary>
public static int SetTransition(ref IAMTimeline m_pTimeline, IAMTimelineComp pComp, Guid EffectGUID, string Direction, long StartTime, long EndTime, Property[] parArr)
{
int hr;
IAMTimelineObj pTransObj;
IAMTimelineTransable pTransable = (IAMTimelineTransable)pComp;
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)
{
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.ToLower() == "true")
{
IAMTimelineTrans pTrans = (IAMTimelineTrans)pTransObj;
pTrans.SetSwapInputs(true);
}
return(hr);
}
/// <summary>
/// Insert a transition into a transitionable object
/// </summary>
/// <param name="timeline"></param>
/// <param name="transable"></param>
/// <param name="offset"></param>
/// <param name="duration"></param>
/// <param name="transitionDefinition"></param>
/// <param name="swapInputs"></param>
/// <returns></returns>
internal static IAMTimelineObj InsertTransition(IAMTimeline timeline, IAMTimelineTransable transable,
string name, double offset, double duration,
TransitionDefinition transitionDefinition, bool swapInputs)
{
int hr = 0;
IAMTimelineObj transitionObj;
long unitsStart = ToUnits(offset);
long unitsEnd = ToUnits(offset + duration);
hr = timeline.CreateEmptyNode(out transitionObj, TimelineMajorType.Transition);
DESError.ThrowExceptionForHR(hr);
name = string.IsNullOrEmpty(name) ? "transition" : name;
if (swapInputs)
{
hr =
transitionObj.SetUserName(string.Format(CultureInfo.InvariantCulture, "{0} (swapped inputs)", name));
DESError.ThrowExceptionForHR(hr);
}
else
{
hr = transitionObj.SetUserName(name);
DESError.ThrowExceptionForHR(hr);
}
hr = transitionObj.SetSubObjectGUID(transitionDefinition.TransitionId);
DESError.ThrowExceptionForHR(hr);
hr = transitionObj.SetStartStop(unitsStart, unitsEnd);
DESError.ThrowExceptionForHR(hr);
var trans1 = transitionObj as IAMTimelineTrans;
if (swapInputs)
{
hr = trans1.SetSwapInputs(true);
DESError.ThrowExceptionForHR(hr);
}
if (transitionDefinition.Parameters.Count > 0)
{
var setter1 = (IPropertySetter) new PropertySetter();
PopulatePropertySetter(setter1, transitionDefinition.Parameters);
hr = transitionObj.SetPropertySetter(setter1);
DESError.ThrowExceptionForHR(hr);
}
hr = transable.TransAdd(transitionObj);
DESError.ThrowExceptionForHR(hr);
return(transitionObj);
}
/// <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);
}
/// <summary>
/// Creates a des transition, wraps it into an ITransition, adds it to a collection
/// and returns a new ITransition wrapper.
/// </summary>
/// <param name="desTimeline"></param>
/// <param name="transable"></param>
/// <param name="transitions"></param>
/// <param name="name"></param>
/// <param name="offset"></param>
/// <param name="duration"></param>
/// <param name="transitionDefinition"></param>
/// <param name="swapInputs"></param>
/// <returns></returns>
internal static ITransition AddTransitionToCollection(ITransitionContainer container, IAMTimeline desTimeline,
IAMTimelineTransable transable,
AddOnlyList <ITransition> transitions, string name,
double offset, double duration,
TransitionDefinition transitionDefinition, bool swapInputs)
{
CheckForTransitionOveralp(container, offset, duration);
IAMTimelineObj desTransition =
InsertTransition(desTimeline, transable, name, offset, duration, transitionDefinition, swapInputs);
ITransition transition =
new Transition(container, desTransition, name, offset, duration, swapInputs, transitionDefinition);
transitions.Add(transition);
return(transition);
}
private void Config()
{
InitVideo();
m_itt = m_VideoTrack as IAMTimelineTransable;
}
