/// <summary>
/// Creates a des effect, wraps it into an IEffect, adds it to a collection
/// and returns the new IEffect wrapper.
/// </summary>
/// <param name="desTimeline"></param>
/// <param name="desEffectable"></param>
/// <param name="effects"></param>
/// <param name="name"></param>
/// <param name="priority"></param>
/// <param name="offset"></param>
/// <param name="duration"></param>
/// <param name="effectDefinition"></param>
/// <returns></returns>
internal static IEffect AddEffectToCollection(IEffectContainer container, IAMTimeline desTimeline,
IAMTimelineEffectable desEffectable,
AddOnlyList <IEffect> effects, string name, int priority,
double offset, double duration, EffectDefinition effectDefinition)
{
priority = ReorderPriorities(effects, priority);
IAMTimelineObj desEffect =
InsertEffect(desTimeline, desEffectable, name, priority, offset, duration, effectDefinition);
IEffect effect = new Effect(container, desEffect, name, priority, offset, duration, effectDefinition);
effects.Add(effect);
return(effect);
}
/// <summary>
/// Set Sign Color on IAMTimelineComp
/// </summary>
public static int SetPixelate(ref IAMTimeline m_pTimeline, IAMTimelineComp pComp, long StartTime, long EndTime, int Zoom)
{
int hr = 0;
IAMTimelineObj pTransObj;
hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Effect);
IAMTimelineEffectable aEffectable = (IAMTimelineEffectable)pComp;
pTransObj.SetStartStop(StartTime, EndTime);
pTransObj.SetSubObjectGUID(new Guid("F67BBA3B-1980-48CB-92BB-CC826BF458E6"));
aEffectable.EffectInsBefore(pTransObj, -1);
IPropertySetter ipro = (IPropertySetter) new PropertySetter();
DESHelper.AddParameter(ipro, "A2VRatio", Zoom.ToString());
hr = pTransObj.SetPropertySetter(ipro);
return(hr);
}
/// <summary>
/// 实现画中画颜色偏移
/// </summary>
/// <param name="m_pTimeline"></param>
/// <param name="pComp"></param>
/// <param name="StartTime"></param>
/// <param name="EndTime"></param>
/// <returns></returns>
public static int SetAlpha(ref IAMTimeline m_pTimeline, IAMTimelineComp pComp, long StartTime, long EndTime)
{
int hr = 0;
IAMTimelineObj pTransObj;
hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Effect);
IAMTimelineEffectable aEffectable = (IAMTimelineEffectable)pComp;
pTransObj.SetStartStop(StartTime, EndTime);
pTransObj.SetSubObjectGUID(DESConsts.GUID_EF_Alpha);
aEffectable.EffectInsBefore(pTransObj, -1);
IPropertySetter ipro = (IPropertySetter) new PropertySetter();
DESHelper.AddParameter(ipro, "alpha", 255);
hr = pTransObj.SetPropertySetter(ipro);
return(hr);
}
/// <summary>
/// Insert an effect into an effectable object
/// </summary>
/// <param name="timeline"></param>
/// <param name="effectable"></param>
/// <param name="offset"></param>
/// <param name="duration"></param>
/// <param name="effectDefinition"></param>
/// <param name="priority"></param>
/// <returns></returns>
internal static IAMTimelineObj InsertEffect(IAMTimeline timeline, IAMTimelineEffectable effectable, string name,
int priority, double offset, double duration,
EffectDefinition effectDefinition)
{
int hr = 0;
long unitsStart = ToUnits(offset);
long unitsEnd = ToUnits(offset + duration);
IAMTimelineObj effectsObj;
hr = timeline.CreateEmptyNode(out effectsObj, TimelineMajorType.Effect);
DESError.ThrowExceptionForHR(hr);
hr = effectsObj.SetSubObjectGUID(effectDefinition.EffectId);
DESError.ThrowExceptionForHR(hr);
if (!string.IsNullOrEmpty(name))
{
hr = effectsObj.SetUserName(name);
DESError.ThrowExceptionForHR(hr);
}
hr = effectsObj.SetStartStop(unitsStart, unitsEnd);
DESError.ThrowExceptionForHR(hr);
IPropertySetter propertySetter = (IPropertySetter) new PropertySetter();
PopulatePropertySetter(propertySetter, effectDefinition.Parameters);
hr = effectsObj.SetPropertySetter(propertySetter);
DESError.ThrowExceptionForHR(hr);
hr = effectable.EffectInsBefore(effectsObj, priority);
DESError.ThrowExceptionForHR(hr);
return(effectsObj);
}
/// <summary>
/// Set BackGround Effect on IAMTimelineComp
/// </summary>
public static int SetEffect(ref IAMTimeline m_pTimeline, IAMTimelineComp pComp, string EffectGUID, long starttime, long endtime, Property[] parArr)
{
IAMTimelineObj pTransObj;
int hr = m_pTimeline.CreateEmptyNode(out pTransObj, TimelineMajorType.Effect);
IAMTimelineEffectable aEffectable = (IAMTimelineEffectable)pComp;
pTransObj.SetStartStop(starttime, endtime);
pTransObj.SetSubObjectGUID(new Guid(EffectGUID.ToUpper()));
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);
}
private void Config()
{
m_ite = m_VideoTrack as IAMTimelineEffectable;
}
