/// <summary>
/// Returns what the delta should be not to violate the trimming of this clip
/// </summary>
public static long HowMuchCanBeTrimmed(this VidkaClipVideo clip, TrimDirection side, long delta)
{
if (clip == null)
{
return(0);
}
if (side == TrimDirection.Left)
{
var frame = clip.FrameStart + delta;
if (frame < 0)
{
return(-clip.FrameStart); // to make 0
}
else if (frame >= clip.FrameEnd)
{
return(-clip.FrameStart + clip.FrameEnd - 1); // to make frameEnd-1
}
return(delta);
}
else if (side == TrimDirection.Right)
{
var frame = clip.FrameEnd + delta;
if (frame <= clip.FrameStart)
{
return(-clip.FrameEnd + clip.FrameStart + 1); // to male frameStart+1
}
else if (frame >= clip.FileLengthFrames)
{
return(-clip.FrameEnd + clip.FileLengthFrames); // to make clip.LengthFrameCalc
}
return(delta);
}
return(0);
}
/// <summary>
/// Debug description
/// </summary>
public static string cxzxc(this VidkaClipVideo clip)
{
if (clip == null)
{
return("null");
}
return(Path.GetFileName(clip.FileName));
}
/// <summary>
/// The inverse of GetVideoClipIndexAtFrame.
/// Instead returns the frame of the clip (left side) within project absolute frame space.
/// Returns -1 if the clip is not even in the project
/// </summary>
public static long GetVideoClipAbsFramePositionLeft(this VidkaProj proj, VidkaClipVideo clip)
{
long totalFrames = 0;
foreach (var ccc in proj.ClipsVideo)
{
if (ccc == clip)
{
return(totalFrames);
}
totalFrames += ccc.LengthFrameCalc;
}
return(-1);
}
public int getScreenX1(VidkaClipVideo vclip)
{
long frameTotal = 0;
foreach (var ccc in proj.ClipsVideo) {
if (ccc == vclip)
break;
frameTotal += ccc.LengthFrameCalc;
}
return convert_Frame2ScreenX(frameTotal);
}
public void SetCurrentVideoClip_ForceRepaint(VidkaClipVideo clip)
{
___UiTransactionBegin();
UiObjects.SetActiveVideo(clip, Proj);
UiObjects.SetHoverVideo(null);
___UiTransactionEnd();
}
private void dragAndDropMan_MetaReadyForOutstandingVideo(VidkaClipVideo vclip, VideoMetadataUseful meta)
{
___UiTransactionBegin();
UpdateCanvasWidthFromProjAndDimdim();
___UiTransactionEnd();
}
/// <summary>
/// Returns clip being split, its index within video timeline
/// and how many frames from its FrameStart to cut
/// </summary>
private bool DoVideoSplitCalculations(
out VidkaClipVideo clip,
out int clipIndex,
out long frameOffsetStartOfVideo)
{
clip = null;
clipIndex = Proj.GetVideoClipIndexAtFrame(UiObjects.CurrentMarkerFrame, out frameOffsetStartOfVideo);
if (clipIndex == -1)
{
cxzxc("No clip here... Cannot split!");
return false;
}
clip = Proj.GetVideoClipAtIndex(clipIndex);
if (frameOffsetStartOfVideo == clip.FrameStart)
{
cxzxc("On the seam... Cannot split!");
return false;
}
if (clip.IsLocked)
{
cxzxc("Clip locked... Cannot split!\nPress 'F' to unlock.");
return false;
}
return true;
}
/// <summary>
/// The inverse of GetVideoClipIndexAtFrame.
/// Instead returns the frame of the clip (left side) within project absolute frame space.
/// Returns -1 if the clip is not even in the project
/// </summary>
public static long GetVideoClipAbsFramePositionLeft(this VidkaProj proj, VidkaClipVideo clip)
{
long totalFrames = 0;
foreach (var ccc in proj.ClipsVideo)
{
if (ccc == clip)
return totalFrames;
totalFrames += ccc.LengthFrameCalc;
}
return -1;
}
private void StartPlaybackOfClip(VidkaClipVideo clip, long? frameOffsetCustom = null)
{
mutex.CurClipAbsFrameLeft = mutex.Proj.GetVideoClipAbsFramePositionLeft(clip);
mutex.CurClipStartFrame = clip.FrameStart;
var clipSecStart = mutex.Proj.FrameToSec(frameOffsetCustom ?? clip.FrameStart); //hacky, i know
var clipSecEnd = mutex.Proj.FrameToSec(clip.FrameEnd); //hacky, i know
mutex.CurStopPositionSec = clipSecEnd;
editor.SetCurrentVideoClip_ForceRepaint(clip);
player.PlayVideoClip(clip.FileName, clipSecStart, clipSecEnd);
}
internal void Clear()
{
Mode = EditorDraggyMode.None;
Text = null;
FrameLength = 0;
MouseX = 0;
MouseXOffset = 0;
VideoClip = null;
AudioClip = null;
}
