public VidkaClipAudio MakeCopy_AudioClip()
{
var clip = (VidkaClipAudio)this.MemberwiseClone();
clip.Id = VidkaIO.MakeGuidWord();
return(clip);
}
/// <summary>
/// computes all Calced* values
/// call this whenever a new clip is added and frame rate changes.
/// This will set all the helper variables in every clip
/// </summary>
public void Compile()
{
foreach (var vclip in ClipsVideo)
{
vclip.FileLengthFrames = this.SecToFrame(vclip.FileLengthSec ?? 0);
foreach (var link in vclip.AudioClipLinks)
{
link.AudioClip = ClipsAudio.FirstOrDefault(areal => areal.Id == link.AudioClip.Id);
}
}
foreach (var aclip in ClipsAudio)
{
if (String.IsNullOrEmpty(aclip.Id))
{
aclip.Id = VidkaIO.MakeGuidWord();
}
aclip.FileLengthFrames = this.SecToFrame(aclip.FileLengthSec ?? 0);
}
}
public static RenderableProject GetVideoClipsForRendering(this VidkaProj proj)
{
var arrClips = proj.ClipsVideo.ToArray();
var fileList1 = arrClips
.DistinctHaving(x => x.FileName)
.Select(x => new RenderableMediaFile {
FileName = x.FileName,
VarName = x.FileName.FilenameToVarName(),
Type = GetRenderableVideoFileType(x),
});
// custom audios...
var fileList2 = arrClips
.Where(x => x.HasCustomAudio)
.DistinctHaving(x => x.CustomAudioFilename)
.Select(x => new RenderableMediaFile
{
FileName = x.CustomAudioFilename,
VarName = x.CustomAudioFilename.FilenameToVarName(),
Type = RenderableMediaFileType.AudioSource,
});
var fileList = fileList1
.Union(fileList2)
.DistinctHaving(x => x.FileName)
.ToList();
var arrClips2 = arrClips.Select((x, i) => new VideoClipRenderable
{
VarName = x.FileName.FilenameToVarName() + "_" + i,
VideoFile = fileList.FirstOrDefault(y => y.FileName == x.FileName),
FrameStart = x.FrameStart,
FrameEnd = x.FrameEnd,
EasingLeft = x.EasingLeft,
EasingRight = x.EasingRight,
IsMuted = x.IsMuted,
PostOp = x.PostOp,
HasCustomAudio = x.HasCustomAudio,
CustomAudioFile = fileList.FirstOrDefault(y => y.FileName == x.CustomAudioFilename),
CustomAudioOffset = x.CustomAudioOffset,
ClipType = GetRenderableTypeOfClip(x),
}).ToArray();
long maxLengthOfImageClip = 0;
var imageClips = arrClips.Where(x => x is VidkaClipImage || x is VidkaClipTextSimple);
if (imageClips.Any())
{
maxLengthOfImageClip = imageClips.Select(x => x.LengthFrameCalc).Max();
}
// .... set up the easings and their audio mixes
long curFrameEnd = 0;
for (int i = 0; i < arrClips2.Length; i++)
{
curFrameEnd += arrClips2[i].LengthFrameCalc;
if (arrClips2[i].EasingLeft == 0 && arrClips2[i].EasingRight == 0)
{
continue;
}
if (arrClips2[i].EasingLeft > 0)
{
var curFrame = curFrameEnd - arrClips2[i].LengthFrameCalc;
long easeEndAbs = curFrame - arrClips2[i].EasingLeft;
// ... begin counting from clip's beginning and end (right) of left ease
long easerFrame = arrClips2[i].EasingLeft;
var index = i;
// ... walk backward until easing is used up
while (curFrame > easeEndAbs && index > 0)
{
index--;
long curClipLen = arrClips2[index].LengthFrameCalcNoEasing;
long easerFrame1 = easerFrame - curClipLen;
long easerFrame2 = easerFrame;
long easerOffset = 0;
// ... when offset is needed, when curClipLen (clip being audio-ed) is longer than the easing. Easing audio will begin at the right side of this clip using the offset
if (easerFrame1 < 0)
{
easerOffset = -easerFrame1;
easerFrame1 = 0;
}
arrClips2[index].MixesAudioFromVideo.Add(new VideoEasingAudioToMix {
ClipVarName = arrClips2[i].VarName,
FrameStart = easerFrame1,
FrameEnd = easerFrame2,
FrameOffset = easerOffset,
});
curFrame -= curClipLen;
easerFrame -= curClipLen;
}
}
if (arrClips2[i].EasingRight > 0)
{
var curFrame = curFrameEnd;
long easeEndAbs = curFrame + arrClips2[i].EasingRight;
// ... begin counting from clip's end and beginning (left) of right ease
long easerFrame = arrClips2[i].LengthFrameCalc - arrClips2[i].EasingRight;
var index = i;
// ... walk forward until easing is used up
while (curFrame < easeEndAbs && index < arrClips2.Length - 1)
{
index++;
long curClipLen = arrClips2[index].LengthFrameCalcNoEasing;
long easerFrame1 = easerFrame;
long easerFrame2 = easerFrame + curClipLen;
// ... when curClipLen (the clip being audio-ed) exceeds the overflow. Overflow is small and overflows in just the first part of the clip
if (easerFrame2 > arrClips2[i].FrameEnd)
{
easerFrame2 = arrClips2[i].FrameEnd;
}
arrClips2[index].MixesAudioFromVideo.Add(new VideoEasingAudioToMix
{
ClipVarName = arrClips2[i].VarName,
FrameStart = easerFrame1,
FrameEnd = easerFrame2,
FrameOffset = 0,
});
curFrame += curClipLen;
easerFrame += curClipLen;
}
}
}
var statVideos = arrClips2;
//... this is important to reduce AVS overhead
var firstStatCandidate = arrClips.FirstOrDefault(x => x.IsPixelTypeStandard);
if (firstStatCandidate != null)
{
statVideos = new[] { new VideoClipRenderable {
VideoFile = fileList.FirstOrDefault(f => f.FileName == firstStatCandidate.FileName)
} }
}
;
//... this is more important when project was cropped, b/c for cropped projects the clip marked
// as IsPixelTypeStandard can easily be outside
if (proj.PixelTypeStandardClip != null)
{
var videoFileForThisOne = fileList.FirstOrDefault(f => f.FileName == proj.PixelTypeStandardClip.FileName);
if (videoFileForThisOne == null)
{
fileList.Add(videoFileForThisOne = new RenderableMediaFile {
FileName = proj.PixelTypeStandardClip.FileName,
VarName = proj.PixelTypeStandardClip.FileName.FilenameToVarName(),
Type = GetRenderableVideoFileType(proj.PixelTypeStandardClip),
});
}
statVideos = new[] { new VideoClipRenderable {
VideoFile = videoFileForThisOne
} };
}
// ... make file var names all unique
foreach (var fileFile in fileList)
{
var nonUniques = fileList.Where(x => x != fileFile && x.VarName == fileFile.VarName);
foreach (var nonUnique in nonUniques)
{
nonUnique.VarName += "__" + VidkaIO.MakeGuidWord();
}
}
return(new RenderableProject
{
Files = fileList,
Clips = arrClips2,
MaxLengthOfImageClip = maxLengthOfImageClip,
StatVideos = statVideos,
AudioClips = proj.ClipsAudio.Select(x => new AudioClipRenderable
{
FileName = x.FileName,
FrameStart = x.FrameStart,
FrameEnd = x.FrameEnd,
FrameOffset = x.FrameOffset,
PostOp = x.PostOp,
}),
});
}