public MovieMetadataBox(List<IsochronousTrackInfo> trackInfos, float rate, float volume, uint[] matrix)
: base(BoxTypes.Movie)
{
// initialize movie duration to zero, then increment it for every slice that is written
ulong scaledDuration = (ulong)TimeArithmetic.ConvertToTimeScale(trackInfos[0].MovieTimeScale, trackInfos[0].MovieDurationIn100NanoSecs);
MovieHeaderBox = new MovieHeaderBox(trackInfos[0].MovieTimeScale, scaledDuration, rate, volume, matrix);
this.Size += MovieHeaderBox.Size;
TrackBoxes = new TrackBox[trackInfos.Count]; // may have more than 2 tracks
// MovieExtendsBox should only exist if this is a fragment
if (trackInfos[0].IsFragment)
{
MovieExtendsBox = new MovieExtendsBox(this, trackInfos);
this.Size += MovieExtendsBox.Size;
}
}
public MovieMetadataBox(List <IsochronousTrackInfo> trackInfos, float rate, float volume, uint[] matrix)
: base(BoxTypes.Movie)
{
// initialize movie duration to zero, then increment it for every slice that is written
ulong scaledDuration = (ulong)TimeArithmetic.ConvertToTimeScale(trackInfos[0].MovieTimeScale, trackInfos[0].MovieDurationIn100NanoSecs);
MovieHeaderBox = new MovieHeaderBox(trackInfos[0].MovieTimeScale, scaledDuration, rate, volume, matrix);
this.Size += MovieHeaderBox.Size;
TrackBoxes = new TrackBox[trackInfos.Count]; // may have more than 2 tracks
// MovieExtendsBox should only exist if this is a fragment
if (trackInfos[0].IsFragment)
{
MovieExtendsBox = new MovieExtendsBox(this, trackInfos);
this.Size += MovieExtendsBox.Size;
}
}
public override void Read(BoxReader reader)
{
long testpos = reader.BaseStream.Position;
using (new SizeChecker(this, reader)) {
base.Read(reader);
MovieHeaderBox.Read(reader);
// Don't assume any order in the boxes within this after the header.
// (The order depends on the brand.)
int tbcount = 0;
TrackBox[] tmpTBs = new TrackBox[10];
while (reader.BaseStream.Position < (long)(this.Size + this.Offset))
{
long pos = reader.BaseStream.Position;
Box tmpBox = new Box(BoxTypes.Any);
tmpBox.Read(reader);
reader.BaseStream.Position = pos;
if (tmpBox.Type == BoxTypes.Track)
{
TrackBox tb = new TrackBox(this, MovieHeaderBox.TimeScale);
tb.Read(reader);
tmpTBs[tbcount] = tb;
tbcount++;
}
else if (tmpBox.Type == BoxTypes.MovieExtends)
{
MovieExtendsBox = new MovieExtendsBox(this);
MovieExtendsBox.Read(reader);
}
else if (tmpBox.Type == BoxTypes.ObjectDescriptor) // iods
{
_objectDescriptor = new ObjectDescriptorBox();
_objectDescriptor.Read(reader);
}
else if (tmpBox.Type == BoxTypes.UserData) // udta
{
_userData = new UserDataBox();
_userData.Read(reader);
}
// some cases below for things we currently ignore, thus we skip over them...
else
{
byte[] buffer = new byte[tmpBox.Size];
reader.Read(buffer, 0, (int)tmpBox.Size);
//reader.BaseStream.Position = (long)(tmpBox.Size + tmpBox.Offset); // ignore for now
Debug.WriteLine(string.Format("Unknown box type {0} in MovieMetadataBox (this), skipped", tmpBox.Type.ToString()));
}
}
TrackBoxes = new TrackBox[tbcount];
for (int i = 0; i < tbcount; i++)
{
TrackBoxes[i] = tmpTBs[i];
}
}
}
public override void Read(BoxReader reader)
{
long testpos = reader.BaseStream.Position;
using (new SizeChecker(this, reader)) {
base.Read(reader);
MovieHeaderBox.Read(reader);
// Don't assume any order in the boxes within this after the header.
// (The order depends on the brand.)
int tbcount = 0;
TrackBox[] tmpTBs = new TrackBox[10];
while (reader.BaseStream.Position < (long)(this.Size + this.Offset)) {
long pos = reader.BaseStream.Position;
Box tmpBox = new Box(BoxTypes.Any);
tmpBox.Read(reader);
reader.BaseStream.Position = pos;
if (tmpBox.Type == BoxTypes.Track)
{
TrackBox tb = new TrackBox(this, MovieHeaderBox.TimeScale);
tb.Read(reader);
tmpTBs[tbcount] = tb;
tbcount++;
}
else if (tmpBox.Type == BoxTypes.MovieExtends)
{
MovieExtendsBox = new MovieExtendsBox(this);
MovieExtendsBox.Read(reader);
}
else if (tmpBox.Type == BoxTypes.ObjectDescriptor) // iods
{
_objectDescriptor = new ObjectDescriptorBox();
_objectDescriptor.Read(reader);
}
else if (tmpBox.Type == BoxTypes.UserData) // udta
{
_userData = new UserDataBox();
_userData.Read(reader);
}
// some cases below for things we currently ignore, thus we skip over them...
else
{
byte[] buffer = new byte[tmpBox.Size];
reader.Read(buffer, 0, (int)tmpBox.Size);
//reader.BaseStream.Position = (long)(tmpBox.Size + tmpBox.Offset); // ignore for now
Debug.WriteLine(string.Format("Unknown box type {0} in MovieMetadataBox (this), skipped", tmpBox.Type.ToString()));
}
}
TrackBoxes = new TrackBox[tbcount];
for (int i = 0; i < tbcount; i++)
{
TrackBoxes[i] = tmpTBs[i];
}
}
}
