public IComposition AddComposition(string name, int priority)
{
OnAddingComposition();
IComposition composition =
TimelineBuilder.AddCompositionToCollection(this, _desTimeline, _timelineComposition, _compositions, name,
priority);
composition.AddingEffect += child_BeforeEffectAdded;
composition.AddedEffect += child_AfterEffectAdded;
composition.AddedClip += child_AfterClipAdded;
composition.AddingClip += child_BeforeClipAdded;
composition.AddedTransition +=
child_AfterTransitionAdded;
composition.AddingTransition += child_BeforeTransitionAdded;
composition.AddingTrack += child_BeforeTrackAdded;
composition.AddedTrack += child_AfterTrackAdded;
composition.AddingComposition += child_BeforeCompositionAdded;
composition.AddedComposition +=
child_AfterCompositionAdded;
OnAddedComposition(composition);
return(composition);
}
public IClip AddClip(string name, string fileName, GroupMediaType mediaType, InsertPosition position,
double offset,
double clipStart, double clipEnd, bool manageLifespan)
{
CheckMediaTypeAgainstGroup(mediaType);
OnAddingClip();
if ((clipEnd < 0) && (mediaType == GroupMediaType.Image))
{
clipEnd = DefaultImageDisplayDuration + clipStart;
}
long durationInUnits;
var mediaFile = new MediaFile(fileName, manageLifespan);
double absoluteOffset = position == InsertPosition.Absolute ? offset : Duration + offset;
IList <IDisposable> activeAssistants = null;
IAMTimelineSrc timelineSrc = null;
try
{
activeAssistants = FetchAssistants(mediaFile);
timelineSrc = CreateMedia(mediaFile,
mediaType,
TimelineBuilder.ToUnits(absoluteOffset),
TimelineBuilder.ToUnits(clipStart),
TimelineBuilder.ToUnits(clipEnd),
out durationInUnits);
}
finally
{
DisposeOfAssistants(activeAssistants);
}
if (!string.IsNullOrEmpty(name))
{
((IAMTimelineObj)timelineSrc).SetUserName(name);
}
IClip clip =
new Clip(this, _timeline, timelineSrc, name, absoluteOffset, TimelineBuilder.ToSeconds(durationInUnits),
clipStart, mediaFile);
clip.AddingEffect += clip_BeforeEffectAdded;
clip.AddedEffect += clip_AfterEffectAdded;
_clips.Add(clip);
_virtualClips.AddVirtualClip(clip);
OnAddedClip(clip);
return(clip);
}
public IEffect AddEffect(string name, int priority, double offset, double duration,
EffectDefinition effectDefinition)
{
OnAddingEffects();
IEffect effect =
TimelineBuilder.AddEffectToCollection(this, _timeline, (IAMTimelineEffectable)_timelineSource, _effects,
name,
priority, offset, duration, effectDefinition);
OnAddedEffect(effect);
return(effect);
}
public ITransition AddTransition(string name, double offset, double duration,
TransitionDefinition transitionDefinition, bool swapInputs)
{
OnAddingTransition();
ITransition transition =
TimelineBuilder.AddTransitionToCollection(this, _timeline, (IAMTimelineTransable)_track, _transitions,
name,
offset, duration, transitionDefinition, swapInputs);
OnAddedTransition(transition);
return(transition);
}
public ITrack AddTrack(string name, int priority)
{
OnAddingTrack();
ITrack track =
TimelineBuilder.AddTrackToCollection(this, _desTimeline, _timelineComposition, _tracks, name, priority);
track.AddingEffect += child_BeforeEffectAdded;
track.AddedEffect += child_AfterEffectAdded;
track.AddedClip += child_AfterClipAdded;
track.AddingClip += child_BeforeClipAdded;
track.AddedTransition += child_AfterTransitionAdded;
track.AddingTransition += child_BeforeTransitionAdded;
OnAddedTrack(track);
return(track);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="type">The type of group this is</param>
/// <param name="mediaType">Media type of the new group</param>
/// <param name="timeline">Timeline to use for the group</param>
/// <param name="fps">Fps for the group</param>
public Group(ITimeline timeline, GroupType type, AMMediaType mediaType, string name, double fps)
: base(timeline, name, -1)
{
if (timeline == null)
{
throw new ArgumentNullException("timeline");
}
if (mediaType == null)
{
throw new ArgumentNullException("mediaType");
}
if (fps <= 0)
{
throw new SplicerException(Resources.ErrorFramesPerSecondMustBeGreaterThenZero);
}
_timeline = timeline;
_type = type;
_fps = fps;
_group = TimelineBuilder.InsertGroup(_timeline.DesTimeline, mediaType, name);
TimelineComposition = (IAMTimelineComp)_group;
}
