public static IEnumerable <Track> GetVideoTracks(this Sequence seq, XElement root)
{
var trackGroupIds = seq.XElement.Descendants(XName.Get("TrackGroup"))
.Select(p => p.Descendants(XName.Get("Second")).FirstOrDefault()?.Attribute(XName.Get("ObjectRef"))?.Value);
var trackGroups = root.Elements(XName.Get("VideoTrackGroup")).Where(p => trackGroupIds.Any(q => p.Attribute(XName.Get("ObjectID"))?.Value == q));
List <Track> retval = new List <Track>();
foreach (var trackGroup in trackGroups)
{
var fr = trackGroup.Descendants(XName.Get("FrameRate")).FirstOrDefault()?.Value;
var framerate = PremiereHelpers.ParseFramerate(fr);
var trackIds = trackGroup.Descendants(XName.Get("Track")).Select(p => p.Attribute(XName.Get("ObjectURef"))?.Value);
//AllVideoClipTracks
var allVideoClipTracks = root.Elements(XName.Get("VideoClipTrack"));
var myTracks = allVideoClipTracks.Where(p => trackIds.Any(q => q == p.Attribute(XName.Get("ObjectUID"))?.Value)).Select(p => new Track(p, framerate));
retval.AddRange(myTracks);
}
//Video Track Group has a framerate: 10160640000
////10594584000 is 23.97 fps, 10160640000 is 25fps, and 8475667200 is 29.9 fps.
return(retval);
}
public static IEnumerable <Title> GetTitles(this Track track, XElement root, SmpteFrameRate framerate)
{
var retval = new List <Title>();
var trackItemIds = track.XElement.Descendants(XName.Get("TrackItem")).Select(p => p.Attribute(XName.Get("ObjectRef"))?.Value);
var trackItems = root.Elements(XName.Get("VideoClipTrackItem")).Where(
p => trackItemIds.Any(q => p.Attribute(XName.Get("ObjectID"))?.Value == q));
foreach (var trackItem in trackItems)
{
TimeCode startTC, endTC;
string name;
IEnumerable <string> titleLines = new string[0];
/* #region Get titles */
{
var start = trackItem.Descendants(XName.Get("Start")).First().Value;
var startFrames = long.Parse(start) / PremiereHelpers.GetFramerateDivisor(framerate);
startTC = TimeCode.FromFrames(startFrames, framerate);
var end = trackItem.Descendants(XName.Get("End")).First().Value;
var endFrames = long.Parse(end) / PremiereHelpers.GetFramerateDivisor(framerate);
endTC = TimeCode.FromFrames(endFrames, framerate);
var subclipId = trackItem.Descendants(XName.Get("SubClip")).FirstOrDefault()?.Attribute(XName.Get("ObjectRef"))?.Value;
var subclips = root.Elements(XName.Get("SubClip"));
var subclip = root.Elements(XName.Get("SubClip")).FirstOrDefault(p => p.Attribute(XName.Get("ObjectID"))?.Value == subclipId);
name = subclip.Element(XName.Get("Name"))?.Value;
var clipId = subclip.Elements(XName.Get("Clip"))?.Attributes(XName.Get("ObjectRef")).FirstOrDefault()?.Value;
var videoClips = root.Elements(XName.Get("VideoClip"));
var videoClip = videoClips.FirstOrDefault(p => p.Attribute(XName.Get("ObjectID"))?.Value == clipId);
var sourceId = videoClip.Element(XName.Get("Clip")).Element(XName.Get("Source"))?.Attribute(XName.Get("ObjectRef"))?.Value;
var videoMediaSources = root.Elements(XName.Get("VideoMediaSource"));
var videoMediaSource = videoMediaSources.FirstOrDefault(p => p.Attribute(XName.Get("ObjectID"))?.Value == sourceId);
var mediaUID = videoMediaSource.Element(XName.Get("MediaSource")).Element(XName.Get("Media"))?.Attribute(XName.Get("ObjectURef"))?.Value;
var mediaNodes = root.Elements(XName.Get("Media"));
var media = mediaNodes.FirstOrDefault(p => p.Attribute(XName.Get("ObjectUID"))?.Value == mediaUID);
var encoding = media.Element(XName.Get("ImporterPrefs"))?.Value;
if (string.IsNullOrEmpty(encoding))
{
continue;
}
byte[] data = Convert.FromBase64String(encoding);
string decodedString = Encoding.UTF8.GetString(data);
if (decodedString.Contains("Compressed"))
{
titleLines = PremiereHelpers.DecodeCompressedTitleContent(data);
}
else
{
titleLines = PremiereHelpers.DecodeTitleContent(decodedString);
}
}
/* #endregion*/
var title = new Title()
{
Start = startTC,
End = endTC,
Content = string.Join(Environment.NewLine, titleLines)
};
retval.Add(title);
}
return(retval);
}
