public Mpeg4AppleTag(Mpeg4AppleItemListBox box, Mpeg4File file) : base()
{
// Hold onto the ilst_box and file. If the box doesn'type exist, create
// one.
listBox = (box == null) ? new Mpeg4AppleItemListBox() : box;
this.file = file;
}
public Mpeg4BoxHeader(Mpeg4File file, long position)
{
this.file = file;
this.position = position;
//boxType = null;
//extendedType = null;
//largeSize = 0;
//size = 0;
Read();
}
public Mpeg4BoxHeader(Mpeg4File file, long position)
{
this.file = file;
this.position = position;
//boxType = null;
//extendedType = null;
//largeSize = 0;
//size = 0;
Read();
}
public Mpeg4AppleTag(Mpeg4File file) : this(null, file)
{
}
// FileBox cannot be read from a file and is a seed box for a file.
public Mpeg4FileBox(Mpeg4File file) : base(null)
{
this.File = file;
}
// FileBox cannot be read from a file and is a seed box for a file.
public Mpeg4FileBox(Mpeg4File file) : base(null)
{
this.File = file;
}
// Create a box by reading the file and add it to "parent".
public static Mpeg4Box Create(Mpeg4File file, long position, Mpeg4Box parent)
{
// Read the box header.
Mpeg4BoxHeader header = new Mpeg4BoxHeader(file, position);
// If we're not even valid, quit.
if (!header.IsValid)
{
return(null);
}
// IF we're in a SampleDescriptionBox and haven'type loaded all the
// entries, try loading an appropriate entry.
if (parent.BoxType == "stsd" && parent.Children.Count < ((Mpeg4IsoSampleDescriptionBox)parent).EntryCount)
{
Mpeg4IsoHandlerBox handler = parent.Handler;
if (handler != null && handler.HandlerType == "soun")
{
return(new Mpeg4IsoAudioSampleEntry(header, parent));
}
else
{
return(new Mpeg4IsoSampleEntry(header, parent));
}
}
//
// A bunch of standard items.
//
if (header.BoxType == "moov")
{
return(new Mpeg4IsoMovieBox(header, parent));
}
if (header.BoxType == "mvhd")
{
return(new Mpeg4IsoMovieHeaderBox(header, parent));
}
if (header.BoxType == "mdia")
{
return(new Mpeg4IsoMediaBox(header, parent));
}
if (header.BoxType == "minf")
{
return(new Mpeg4IsoMediaInformationBox(header, parent));
}
if (header.BoxType == "stbl")
{
return(new Mpeg4IsoSampleTableBox(header, parent));
}
if (header.BoxType == "stsd")
{
return(new Mpeg4IsoSampleDescriptionBox(header, parent));
}
if (header.BoxType == "stco")
{
return(new Mpeg4IsoChunkOffsetBox(header, parent));
}
if (header.BoxType == "co64")
{
return(new Mpeg4IsoChunkLargeOffsetBox(header, parent));
}
if (header.BoxType == "trak")
{
return(new Mpeg4IsoTrackBox(header, parent));
}
if (header.BoxType == "hdlr")
{
return(new Mpeg4IsoHandlerBox(header, parent));
}
if (header.BoxType == "udta")
{
return(new Mpeg4IsoUserDataBox(header, parent));
}
if (header.BoxType == "meta")
{
return(new Mpeg4IsoMetaBox(header, parent));
}
if (header.BoxType == "ilst")
{
return(new Mpeg4AppleItemListBox(header, parent));
}
if (header.BoxType == "data")
{
return(new Mpeg4AppleDataBox(header, parent));
}
if (header.BoxType == "esds")
{
return(new Mpeg4AppleElementaryStreamDescriptor(header, parent));
}
if (header.BoxType == "free" || header.BoxType == "skip")
{
return(new Mpeg4IsoFreeSpaceBox(header, parent));
}
if (header.BoxType == "mean" || header.BoxType == "name")
{
return(new Mpeg4AppleAdditionalInfoBox(header, parent));
}
// If we still don'type have a tag, and we're inside an ItemLisBox, load
// lthe box as an AnnotationBox (Apple tag item).
if (parent.GetType() == typeof(Mpeg4AppleItemListBox))
{
return(new Mpeg4AppleAnnotationBox(header, parent));
}
// Nothing good. Go generic.
return(new Mpeg4UnknownBox(header, parent));
}
// Create a box by reading the file and add it to "parent".
public static Mpeg4Box Create(Mpeg4File file, long position, Mpeg4Box parent)
{
// Read the box header.
Mpeg4BoxHeader header = new Mpeg4BoxHeader(file, position);
// If we're not even valid, quit.
if (!header.IsValid)
return null;
// IF we're in a SampleDescriptionBox and haven'type loaded all the
// entries, try loading an appropriate entry.
if (parent.BoxType == "stsd" && parent.Children.Count < ((Mpeg4IsoSampleDescriptionBox)parent).EntryCount)
{
Mpeg4IsoHandlerBox handler = parent.Handler;
if (handler != null && handler.HandlerType == "soun")
return new Mpeg4IsoAudioSampleEntry(header, parent);
else
return new Mpeg4IsoSampleEntry(header, parent);
}
//
// A bunch of standard items.
//
if (header.BoxType == "moov")
return new Mpeg4IsoMovieBox(header, parent);
if (header.BoxType == "mvhd")
return new Mpeg4IsoMovieHeaderBox(header, parent);
if (header.BoxType == "mdia")
return new Mpeg4IsoMediaBox(header, parent);
if (header.BoxType == "minf")
return new Mpeg4IsoMediaInformationBox(header, parent);
if (header.BoxType == "stbl")
return new Mpeg4IsoSampleTableBox(header, parent);
if (header.BoxType == "stsd")
return new Mpeg4IsoSampleDescriptionBox(header, parent);
if (header.BoxType == "stco")
return new Mpeg4IsoChunkOffsetBox(header, parent);
if (header.BoxType == "co64")
return new Mpeg4IsoChunkLargeOffsetBox(header, parent);
if (header.BoxType == "trak")
return new Mpeg4IsoTrackBox(header, parent);
if (header.BoxType == "hdlr")
return new Mpeg4IsoHandlerBox(header, parent);
if (header.BoxType == "udta")
return new Mpeg4IsoUserDataBox(header, parent);
if (header.BoxType == "meta")
return new Mpeg4IsoMetaBox(header, parent);
if (header.BoxType == "ilst")
return new Mpeg4AppleItemListBox(header, parent);
if (header.BoxType == "data")
return new Mpeg4AppleDataBox(header, parent);
if (header.BoxType == "esds")
return new Mpeg4AppleElementaryStreamDescriptor(header, parent);
if (header.BoxType == "free" || header.BoxType == "skip")
return new Mpeg4IsoFreeSpaceBox(header, parent);
if (header.BoxType == "mean" || header.BoxType == "name")
return new Mpeg4AppleAdditionalInfoBox(header, parent);
// If we still don'type have a tag, and we're inside an ItemLisBox, load
// lthe box as an AnnotationBox (Apple tag item).
if (parent.GetType() == typeof(Mpeg4AppleItemListBox))
return new Mpeg4AppleAnnotationBox(header, parent);
// Nothing good. Go generic.
return new Mpeg4UnknownBox(header, parent);
}
