public MovieExtendsBox(MovieMetadataBox inParent, List <IsochronousTrackInfo> trackInfos) : this(inParent)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox((uint)0); // initial duration should be zero. prev: trackInfos[0].MovieDuration);
this.Size += MovieExtendsHeaderBox.Size;
if (TrackExtendBoxes == null)
{
TrackExtendBoxes = new TrackExtendsBox[trackInfos.Count];
}
//TrackBox[] tracks = parent.TrackBoxes;
int i = 0;
foreach (IsochronousTrackInfo tri in trackInfos)
{
if (tri.GetType() == typeof(RawAudioTrackInfo))
{
RawAudioTrackInfo rati = (RawAudioTrackInfo)tri;
TrackExtendBoxes[i] = new TrackExtendsBox((uint)(i + 1), 1, 0, 0, 0); // trackID for audio is 1, sample description index within audio track is 1
this.Size += TrackExtendBoxes[i].Size;
}
else if (tri.GetType() == typeof(RawVideoTrackInfo))
{
RawVideoTrackInfo rvti = (RawVideoTrackInfo)tri;
TrackExtendBoxes[i] = new TrackExtendsBox((uint)(i + 1), 1, 0, 0, 0); // trackID for video is 2, sample description index within video track is 1
this.Size += TrackExtendBoxes[i].Size;
}
i++;
}
}
public MovieExtendsBox(MovieMetadataBox inParent, List<IsochronousTrackInfo> trackInfos)
: this(inParent)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox((uint)0); // initial duration should be zero. prev: trackInfos[0].MovieDuration);
this.Size += MovieExtendsHeaderBox.Size;
if (TrackExtendBoxes == null)
TrackExtendBoxes = new TrackExtendsBox[trackInfos.Count];
//TrackBox[] tracks = parent.TrackBoxes;
int i = 0;
foreach (IsochronousTrackInfo tri in trackInfos)
{
if (tri.GetType() == typeof(RawAudioTrackInfo))
{
RawAudioTrackInfo rati = (RawAudioTrackInfo)tri;
TrackExtendBoxes[i] = new TrackExtendsBox((uint)(i + 1), 1, 0, 0, 0); // trackID for audio is 1, sample description index within audio track is 1
this.Size += TrackExtendBoxes[i].Size;
}
else if (tri.GetType() == typeof(RawVideoTrackInfo))
{
RawVideoTrackInfo rvti = (RawVideoTrackInfo)tri;
TrackExtendBoxes[i] = new TrackExtendsBox((uint)(i + 1), 1, 0, 0, 0); // trackID for video is 2, sample description index within video track is 1
this.Size += TrackExtendBoxes[i].Size;
}
i++;
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
// Apple either omits the header, or puts it after the TrackExtendBoxes
BoxType boxType = reader.PeekNextBoxType();
if (boxType == BoxTypes.MovieExtendsHeader)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox();
MovieExtendsHeaderBox.Read(reader);
}
// Apple puts the MovieExtendsBoxes BEFORE TrackBoxes, so TrackBoxes may be NULL below.
if (parent.TrackBoxes != null)
{
TrackExtendBoxes = new TrackExtendsBox[parent.TrackBoxes.Length];
for (int i = 0; i < parent.TrackBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
else
{
// get the size of a TrackExtendsBox, then use that to determine the size of the array
Box test = new Box(BoxTypes.Any);
test.Read(reader);
reader.BaseStream.Position = (long)test.Offset;
if (MovieExtendsHeaderBox == null)
{
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8) / test.Size];
}
else
{
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8 - MovieExtendsHeaderBox.Size) / test.Size];
}
for (int i = 0; i < TrackExtendBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
// Apple either omits the header, or puts it after the TrackExtendBoxes
BoxType boxType = reader.PeekNextBoxType();
if (boxType == BoxTypes.MovieExtendsHeader)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox();
MovieExtendsHeaderBox.Read(reader);
}
// Apple puts the MovieExtendsBoxes BEFORE TrackBoxes, so TrackBoxes may be NULL below.
if (parent.TrackBoxes != null)
{
TrackExtendBoxes = new TrackExtendsBox[parent.TrackBoxes.Length];
for (int i = 0; i < parent.TrackBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
else
{
// get the size of a TrackExtendsBox, then use that to determine the size of the array
Box test = new Box(BoxTypes.Any);
test.Read(reader);
reader.BaseStream.Position = (long)test.Offset;
if (MovieExtendsHeaderBox == null)
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8) / test.Size];
else
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8 - MovieExtendsHeaderBox.Size) / test.Size];
for (int i = 0; i < TrackExtendBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
}
}
