private void ParseMxf(Stream stream)
{
stream.Seek(0, SeekOrigin.Begin);
ReadHeaderPartitionPack(stream);
if (IsValid)
{
var length = stream.Length;
long next = _startPosition;
while (next + 20 < length)
{
stream.Seek(next, SeekOrigin.Begin);
var klv = new KlvPacket(stream);
next += klv.TotalSize;
if (klv.IdentifierType == KeyIdentifier.EssenceElement && klv.DataSize < 500000)
{
stream.Seek(klv.DataPosition, SeekOrigin.Begin);
var buffer = new byte[klv.DataSize];
stream.Read(buffer, 0, buffer.Length);
string s = System.Text.Encoding.UTF8.GetString(buffer);
if (IsSubtitle(s))
{
_subtitleList.Add(s);
}
}
}
}
}
private void ParseMxf(Stream stream)
{
stream.Seek(0, SeekOrigin.Begin);
ReadHeaderPartitionPack(stream);
if (IsValid)
{
var length = stream.Length;
long next = _startPosition;
while (next + 20 < length)
{
stream.Seek(next, SeekOrigin.Begin);
var klv = new KlvPacket(stream);
next += klv.TotalSize;
if ((klv.IdentifierType == KeyIdentifier.EssenceElement || klv.IdentifierType == KeyIdentifier.Unknown) && klv.DataSize < 500000)
{
stream.Seek(klv.DataPosition, SeekOrigin.Begin);
var buffer = new byte[klv.DataSize];
stream.Read(buffer, 0, buffer.Length);
if (buffer.Length >= 12)
{
string s;
if (buffer[0] == 0xef && buffer[1] == 0xbb && buffer[2] == 0xbf)
{
s = System.Text.Encoding.UTF8.GetString(buffer, 3, buffer.Length - 3);
}
else if (buffer[0] == 0xff && buffer[1] == 0xfe && buffer[2] == 0 && buffer[3] == 0)
{
s = System.Text.Encoding.GetEncoding(12000).GetString(buffer, 4, buffer.Length - 4); // UTF-32 (LE)
}
else if (buffer[0] == 0xff && buffer[1] == 0xfe)
{
s = System.Text.Encoding.Unicode.GetString(buffer, 2, buffer.Length - 2);
}
else if (buffer[0] == 0xfe && buffer[1] == 0xff) // utf-16 and ucs-2
{
s = System.Text.Encoding.BigEndianUnicode.GetString(buffer, 2, buffer.Length - 2);
}
else if (buffer[0] == 0 && buffer[1] == 0 && buffer[2] == 0xfe && buffer[3] == 0xff) // ucs-4
{
s = System.Text.Encoding.GetEncoding(12001).GetString(buffer, 4, buffer.Length - 4); // UTF-32 (BE)
}
else
{
s = System.Text.Encoding.UTF8.GetString(buffer);
}
if (IsSubtitle(s))
{
_subtitleList.Add(s);
}
}
}
}
}
}
private void ParseMxf(Stream stream)
{
stream.Seek(0, SeekOrigin.Begin);
ReadHeaderPartitionPack(stream);
if (IsValid)
{
var length = stream.Length;
long next = _startPosition;
while (next + 20 < length)
{
stream.Seek(next, SeekOrigin.Begin);
var klv = new KlvPacket(stream);
//Console.WriteLine();
//Console.WriteLine("Key: " + klv.DisplayKey);
//Console.WriteLine("Type: " + klv.IdentifyerType);
//Console.WriteLine("Total size: " + klv.TotalSize);
//Console.WriteLine("Data position: " + klv.DataPosition);
//if (klv.IdentifyerType == KeyIdentifier.PartitionPack)
// Console.WriteLine("Partition status: " + klv.PartionStatus);
next += klv.TotalSize;
if (klv.IdentifierType == KeyIdentifier.EssenceElement &&
klv.DataSize < 500000)
{
stream.Seek(klv.DataPosition, SeekOrigin.Begin);
var buffer = new byte[klv.DataSize];
stream.Read(buffer, 0, buffer.Length);
string s = System.Text.Encoding.UTF8.GetString(buffer);
if (IsSubtitle(s))
{
_subtitleList.Add(s);
}
}
}
}
}
