internal QT(Atom cAtom)
: base(cAtom)
{
byte[] aBuffer = new byte[sizeof(ulong)];
int nLength, nBytesReaded;
#region id
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nID = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
_cStream.Position += sizeof(ushort); //_nReserved1
#region child count
nLength = sizeof(ushort);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nChildCount = BitConverter.ToUInt16((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
_cStream.Position += sizeof(uint); //_nReserved2
}
static public Atom Read(Stream cStream)
{
Atom cAtom = null;
try
{
cAtom = new Atom(cStream);
switch (cAtom.eType)
{
case Type.ftyp:
return new FileTypeCompatibility(cAtom);
case Type.wide:
return new Wide(cAtom);
case Type.mdat:
return new MovieData(cAtom);
case Type.moov:
return new Movie(cAtom);
case Type.mvhd:
return new MovieHeader(cAtom);
case Type.trak:
return new Track(cAtom);
case Type.tkhd:
return new TrackHeader(cAtom);
case Type.edts:
return new Edit(cAtom);
case Type.elst:
return new Edit.List(cAtom);
case Type.mdia:
return new MediaHeader(cAtom);
case Type.udta:
return new UserData(cAtom);
}
}
catch { }
return cAtom;
}
//Note: A common source of this error is an MPEG-4 file incorrectly named with the .mov file extension or with the MIME type incorrectly set to “video/quicktime”. MPEG-4 files are automatically imported by QuickTime only when they are correctly identified as MPEG-4 files using the Mac OS file type, file extension, or MIME type.
internal FileTypeCompatibility(Atom cAtom)
: base(cAtom)
{
byte[] aBuffer = new byte[sizeof(uint)];
int nLength, nBytesReaded;
#region major brand
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nMajorBrand = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region minor version
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nMinorVersion = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region compatible brands
nLength = sizeof(uint);
List<uint> aCompatibleBrands = new List<uint>();
while (_nCapacity < (ulong)_nStreamPositionStart + nSize)
{
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
aCompatibleBrands.Add(BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0));
_aCompatibleBrands = aCompatibleBrands.ToArray();
}
#endregion
}
internal List(Atom cAtom)
: base(cAtom)
{
byte[] aBuffer = new byte[sizeof(uint)];
int nLength, nBytesReaded;
#region version
nLength = sizeof(byte);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nVersion = aBuffer[0];
#endregion
#region flags
_cStream.Position += _aFlags.Length;
#endregion
#region number of entries
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nNumberOfEntries = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region edit list table
List<Entry> aEntries = new List<Entry>();
for (int nIndx = 0; _nNumberOfEntries > nIndx; nIndx++)
aEntries.Add(new Entry(_cStream));
_aEditListTable = aEntries.ToArray();
#endregion
}
public Skip(Atom cAtom)
: base(cAtom)
{
}
internal Atom(Atom cAtom)
{
_cStream = cAtom._cStream;
_nStreamPositionStart = cAtom._nStreamPositionStart;
_nSize = cAtom._nSize;
_nType = cAtom._nType;
_nSizeExtended = cAtom._nSizeExtended;
}
internal MovieData(Atom cAtom)
: base(cAtom)
{
}
internal Wide(Atom cAtom)
: base(cAtom)
{
}
public Free(Atom cAtom)
: base(cAtom)
{
}
internal Edit(Atom cAtom)
: base(cAtom)
{
}
internal TrackHeader(Atom cAtom)
: base(cAtom)
{
byte[] aBuffer = new byte[sizeof(uint)];
int nLength, nBytesReaded;
#region version
nLength = sizeof(byte);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nVersion = aBuffer[0];
#endregion
#region flags
_cStream.Position += _aFlags.Length;
#endregion
#region creation time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nCreationTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region modification time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nModificationTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region track id
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nTrackID = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region reserved
_cStream.Position += sizeof(uint);
#endregion
#region duration
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nDuration = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region reserved
_cStream.Position += sizeof(byte);
#endregion
#region layer
nLength = sizeof(short);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nLayer = BitConverter.ToInt16((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region alternate group
nLength = sizeof(short);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nAlternateGroup = BitConverter.ToInt16((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region volume
nLength = sizeof(ushort);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nVolume = BitConverter.ToUInt16((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region reserved
_cStream.Position += sizeof(short);
#endregion
#region matrix structure
nLength = _aMatrixStructure.Length;
nBytesReaded = _cStream.Read(_aMatrixStructure, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
#endregion
#region preview time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nTrackWidth = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region preview duration
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nTrackHeight = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
}
internal MovieHeader(Atom cAtom)
: base(cAtom)
{
byte[] aBuffer = new byte[sizeof(uint)];
int nLength, nBytesReaded;
#region version
nLength = sizeof(byte);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nVersion = aBuffer[0];
#endregion
#region flags
_cStream.Position += _aFlags.Length;
#endregion
#region creation time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nCreationTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region modification time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nModificationTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region time scale
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nTimeScale = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region duration
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nDuration = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region preferred rate
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nPreferredRate = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region preferred volume
nLength = sizeof(ushort);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nPreferredVolume = BitConverter.ToUInt16((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region reserved
_cStream.Position += _aReserved.Length;
#endregion
#region matrix structure
nLength = _aMatrixStructure.Length;
nBytesReaded = _cStream.Read(_aMatrixStructure, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
#endregion
#region preview time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nPreviewTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region preview duration
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nPreviewDuration = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region poster time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nPosterTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region selection time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nSelectionTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region selection duration
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nSelectionDuration = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region current time
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nCurrentTime = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
#region next track ID
nLength = sizeof(uint);
nBytesReaded = _cStream.Read(aBuffer, 0, nLength);
if (nBytesReaded != nLength)
throw new Exception("can't read necessary bytes qty");
_nNextTrackID = BitConverter.ToUInt32((BitConverter.IsLittleEndian ? aBuffer.Take(nLength).Reverse().ToArray() : aBuffer), 0);
#endregion
}
//Modification date
//A 32-bit unsigned integer containing a date that indicates when the preview was last updated. The data is in standard Macintosh format.
//Version number
//A 16-bit integer that must be set to 0.
// Atom type
//A 32-bit integer that indicates the type of atom that contains the preview data. Typically, this is set to 'PICT' to indicate a QuickDraw picture.
// Atom index
//A 16-bit integer that identifies which atom of the specified type is to be used as the preview. Typically, this field is set to 1 to indicate that you should use the first atom of the type specified in the atom type field.
public Preview(Atom cAtom)
: base(cAtom)
{
}
internal Track(Atom cAtom)
: base(cAtom)
{ }
