public bool UpdateMOOFTimeAndOffsetForTrack(int trackID, List <long> MOOFOffsetList)
{
bool result = false;
if (Children != null)
{
foreach (var box in Children)
{
if (box.GetBoxType() == "tfra")
{
Mp4BoxTFRA tfra = box as Mp4BoxTFRA;
if (tfra != null)
{
if (tfra.GetTrackID() == trackID)
{
if (tfra.GetNumberOfEntry() == MOOFOffsetList.Count)
{
return(tfra.UpdateTimeAndOffsetEntries(MOOFOffsetList));
}
}
}
}
}
}
return(result);
}
static public Mp4BoxTFRA CreateTFRABox(Int32 TrackID, List <TimeMoofOffset> list, ulong OffsetWithVideo)
{
int Flag = 0;
byte version = 0x01;
if (list != null)
{
int NumberOfEntry = list.Count;
Mp4BoxTFRA box = new Mp4BoxTFRA();
if (box != null)
{
box.Length = 8 + 4 + 4 + 4 + 4 + (8 + 8 + 3) * NumberOfEntry;
box.Type = "tfra";
byte[] Buffer = new byte[box.Length - 8];
if (Buffer != null)
{
WriteMp4BoxByte(Buffer, 0, version);
WriteMp4BoxInt24(Buffer, 1, Flag);
WriteMp4BoxInt32(Buffer, 4, TrackID);
int Reserved = 0;
WriteMp4BoxInt32(Buffer, 8, Reserved);
WriteMp4BoxInt32(Buffer, 12, NumberOfEntry);
ulong offset = 0;
for (int i = 0; i < NumberOfEntry; i++)
{
if (i == 0)
{
offset = list[i].time;
}
ulong time = list[i].time - offset + OffsetWithVideo;
WriteMp4BoxInt64(Buffer, 16 + i * 19, (long)time);
WriteMp4BoxInt64(Buffer, 16 + 8 + i * 19, (long)list[i].offset);
WriteMp4BoxInt8(Buffer, 16 + 8 + 8 + i * 19, 1);
WriteMp4BoxInt8(Buffer, 16 + 8 + 8 + 1 + i * 19, 1);
WriteMp4BoxInt8(Buffer, 16 + 8 + 8 + 1 + 1 + i * 19, 1);
}
box.Data = Buffer;
return(box);
}
}
}
return(null);
}
