public int GetTrackID()
{
int result = 0;
Mp4Box box = FindChildBox("tfhd");
if (box != null)
{
Mp4BoxTFHD tfhdbox = box as Mp4BoxTFHD;
if (tfhdbox != null)
{
return(tfhdbox.GetTrackID());
}
}
return(result);
}
static public Mp4BoxTFHD CreateTFHDBox(int TrackID, int SampleFlags)
{
int Flag = 32;
byte version = 0x00;
Mp4BoxTFHD box = new Mp4BoxTFHD();
if (box != null)
{
box.Length = 8 + 4 + 4 + 4;
box.Type = "tfhd";
byte[] Buffer = new byte[box.Length - 8];
if (Buffer != null)
{
WriteMp4BoxByte(Buffer, 0, version);
WriteMp4BoxInt24(Buffer, 1, Flag);
WriteMp4BoxInt32(Buffer, 4, TrackID);
WriteMp4BoxInt32(Buffer, 8, SampleFlags);
box.Data = Buffer;
return(box);
}
}
return(null);
}