/// <inheritdoc />
/// <summary>
/// </summary>
/// <param name="bytes"></param>
/// <param name="start"></param>
/// <param name="finish"></param>
public TrackFragmentBox(byte[] bytes, int start, int finish) : base(Mp4Identifier.Traf)
{
while (start < finish)
{
var mp4Box = Mp4Utils.GetBox(bytes, ref start, finish);
switch (mp4Box?.Mp4Identifier)
{
case null:
continue;
case Mp4Identifier.Tfhd:
Tfhd = mp4Box as TrackFragmentHeaderBox;
break;
case Mp4Identifier.Sdtp:
Sdtp = mp4Box as SampleDependencyTypeBox;
break;
case Mp4Identifier.Trun:
Trun = mp4Box as TrackRunBox;
break;
case Mp4Identifier.Tfrf:
Tfrf = mp4Box as TfrfBox;
break;
case Mp4Identifier.Tfxd:
Tfxd = mp4Box as TfxdBox;
break;
}
}
}
public void parseHeader(out DateTime creationTime, out DateTime modificationTime, out TimeSpan duration, out uint timescale)
{
creationTime = Mp4Utils.time(creation_time);
modificationTime = Mp4Utils.time(modification_time);
timescale = BinaryPrimitives.ReverseEndianness(scale);
double seconds = ((double)BinaryPrimitives.ReverseEndianness(dur)) / timescale;
duration = TimeSpan.FromSeconds(seconds);
}
/// <inheritdoc />
/// <summary>
/// </summary>
/// <param name="bytes"></param>
/// <param name="start"></param>
/// <param name="finish"></param>
public TfrfBox(byte[] bytes, int start, int finish) : base(Mp4Identifier.Tfrf)
{
Version = Mp4Utils.ReadReverseBytes(bytes, 1, ref start, finish)[0];
Flags = Mp4Utils.ReadReverseBytes(bytes, 3, ref start, finish);
var length = (int)Mp4Utils.ReadReverseBytes(bytes, 1, ref start, finish)[0];
Array = new Element[length];
for (var index = 0; index < length; index++)
{
Array[index] = new Element(bytes, Version, ref start, finish);
}
}
/// <inheritdoc />
/// <summary>
/// </summary>
/// <param name="bytes"></param>
/// <param name="start"></param>
/// <param name="finish"></param>
public MovieFragmentBox(byte[] bytes, int start, int finish) : base(Mp4Identifier.Moof)
{
while (start < finish)
{
var mp4Box = Mp4Utils.GetBox(bytes, ref start, finish);
switch (mp4Box?.Mp4Identifier)
{
case null:
continue;
case Mp4Identifier.Traf:
TrackFragmentBox = mp4Box as TrackFragmentBox;
break;
case Mp4Identifier.Mfhd:
MovieFragmentHeaderBox = mp4Box as MovieFragmentHeaderBox;
break;
}
}
}
/// <summary>
/// </summary>
/// <param name="boxBytes"></param>
/// <param name="start"></param>
/// <param name="finish"></param>
public Fragment(byte[] boxBytes, int start, int finish)
{
while (start < finish)
{
var mp4Box = Mp4Utils.GetBox(boxBytes, ref start, finish);
switch (mp4Box?.Mp4Identifier)
{
case null:
continue;
case Mp4Identifier.Mdat:
MediaDataBox = mp4Box as MediaDataBox;
break;
case Mp4Identifier.Moof:
MovieFragmentBox = mp4Box as MovieFragmentBox;
break;
}
}
}
