static void readInfoHeader(Mp4Reader reader, out DateTime creationTime, out DateTime modificationTime, out TimeSpan duration, out CultureInfo culture, out uint timeScale)
{
uint ver = reader.readUInt();
switch (ver & 0xFF)
{
case 0:
var v0 = reader.readStructure <MediaInfoV0>();
creationTime = v0.creationTime;
modificationTime = v0.modificationTime;
duration = v0.duration;
culture = v0.culture;
timeScale = v0.timeScale;
return;
case 1:
var v1 = reader.readStructure <MediaInfoV1>();
creationTime = v1.creationTime;
modificationTime = v1.modificationTime;
duration = v1.duration;
culture = v1.culture;
timeScale = v1.timeScale;
return;
}
throw new ApplicationException("Unsupported format version");
}
internal TrackHeader(Mp4Reader reader, uint timescale)
{
Debug.Assert(reader.currentBox == eBoxType.tkhd);
uint versionAndFlags = reader.readUInt();
flags = (eTrackFlags)BinaryPrimitives.ReverseEndianness(versionAndFlags & 0xFFFFFF00u);
switch (versionAndFlags & 0xFF)
{
case 0:
var ver0 = reader.readStructure <TrackHeaderVersion0>();
ver0.parseHeader(timescale, out creationTime, out modificationTime, out id, out duration);
ver0.parseCommon(out layer, out alternateGroup, out volume, out size);
break;
case 1:
var ver1 = reader.readStructure <TrackHeaderVersion1>();
ver1.parseHeader(timescale, out creationTime, out modificationTime, out id, out duration);
ver1.parseCommon(out layer, out alternateGroup, out volume, out size);
break;
default:
throw new ArgumentException("Unsupported track version");
}
}
internal MovieHeader(Mp4Reader reader)
{
Debug.Assert(reader.currentBox == eBoxType.mvhd);
uint versionAndFlags = reader.readUInt();
switch (versionAndFlags & 0xFF)
{
case 0:
var ver0 = reader.readStructure <MovieHeaderVersion0>();
ver0.parseHeader(out creationTime, out modificationTime, out duration, out timescale);
ver0.parseCommon(out rate, out volume, out nextTrackId);
break;
case 1:
var ver1 = reader.readStructure <MovieHeaderVersion1>();
ver1.parseHeader(out creationTime, out modificationTime, out duration, out timescale);
ver1.parseCommon(out rate, out volume, out nextTrackId);
break;
default:
throw new ArgumentException("Unsupported track version");
}
}