public override bool ReadPacket(ByteVector packet, int index)
{
int type = PacketType(packet);
if (type != 1 && index == 0)
{
throw new CorruptFileException("Stream does not begin with vorbis identifier");
}
if (comment_data == null)
{
if (type == 1)
{
header = new HeaderPacket(packet);
}
else if (type == 3)
{
comment_data = packet.Mid(7);
}
else
{
return(true);
}
}
return(comment_data != null);
}
public override bool ReadPacket(ByteVector packet, int index)
{
if (packet == null)
{
throw new ArgumentNullException("packet");
}
if (index < 0)
{
throw new ArgumentOutOfRangeException("index", "index must be at least zero.");
}
ByteVector signature = MagicSignature(packet);
if (signature != magic_signature_header && index == 0)
{
throw new CorruptFileException("Stream does not begin with opus header.");
}
if (comment_data == null)
{
if (signature == magic_signature_header)
{
header = new HeaderPacket(packet);
}
else if (signature == magic_signature_comment)
{
comment_data = packet.Mid(magic_signature_length);
}
else
{
return(true);
}
}
return(comment_data != null);
}
public override bool ReadPacket(ByteVector packet, int index)
{
if (packet == null)
{
throw new ArgumentNullException("packet");
}
if (index < 0)
{
throw new ArgumentOutOfRangeException("index", "index must be at least zero.");
}
int num = PacketType(packet);
if ((num != 0x80) && (index == 0))
{
throw new CorruptFileException("Stream does not begin with theora header.");
}
if (this.comment_data == null)
{
switch (num)
{
case 0x80:
this.header = new HeaderPacket(packet);
goto Label_009D;
case 0x81:
this.comment_data = packet.Mid(7);
goto Label_009D;
}
return true;
}
Label_009D:
return (this.comment_data != null);
}
public override bool ReadPacket(ByteVector packet, int index)
{
if (packet == null)
{
throw new ArgumentNullException("packet");
}
if (index < 0)
{
throw new ArgumentOutOfRangeException("index", "index must be at least zero.");
}
int type = PacketType(packet);
if (type != 0x80 && index == 0)
{
throw new CorruptFileException("Stream does not begin with theora header.");
}
if (comment_data == null)
{
if (type == 0x80)
{
header = new HeaderPacket(packet);
}
else if (type == 0x81)
{
comment_data = packet.Mid(7);
}
else
{
return(true);
}
}
return(comment_data != null);
}
private static byte[] HeaderPacktToByteArray(HeaderPacket header)
{
byte[] buff = new byte[HeaderPacketSize]; //Create Buffer
GCHandle handle = GCHandle.Alloc(buff, GCHandleType.Pinned); //Hands off GC
try
{
Marshal.StructureToPtr(header, handle.AddrOfPinnedObject(), false);
return(buff);
}
finally
{
handle.Free();
}
}
public override bool ReadPacket (ByteVector packet, int index)
{
int type = PacketType (packet);
if (type != 1 && index == 0)
throw new CorruptFileException ("Stream does not begin with vorbis identifier");
if (comment_data == null)
{
if (type == 1)
header = new HeaderPacket (packet);
else if (type == 3)
comment_data = packet.Mid (7);
else
return true;
}
return comment_data != null;
}
/// <summary>
/// Reads a Ogg packet that has been encountered in the
/// stream.
/// </summary>
/// <param name="packet">
/// A <see cref="ByteVector" /> object containing a packet to
/// be read by the current instance.
/// </param>
/// <param name="index">
/// A <see cref="int" /> value containing the index of the
/// packet in the stream.
/// </param>
/// <returns>
/// <see langword="true" /> if the codec has read all the
/// necessary packets for the stream and does not need to be
/// called again, typically once the Xiph comment has been
/// found. Otherwise <see langword="false" />.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="packet" /> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index" /> is less than zero.
/// </exception>
/// <exception cref="CorruptFileException">
/// The data does not conform to the specificiation for the
/// codec represented by the current instance.
/// </exception>
public override bool ReadPacket (ByteVector packet, int index)
{
if (packet == null)
throw new ArgumentNullException ("packet");
if (index < 0)
throw new ArgumentOutOfRangeException ("index",
"index must be at least zero.");
int type = PacketType (packet);
if (type != 1 && index == 0)
throw new CorruptFileException (
"Stream does not begin with vorbis header.");
if (comment_data == null) {
if (type == 1)
header = new HeaderPacket (packet);
else if (type == 3)
comment_data = packet.Mid (7);
else
return true;
}
return comment_data != null;
}
private static void Listener(object args)
{
DuplexPipeChannel channel = (DuplexPipeChannel)args;
IBus bus = channel.bus;
Stream stream = channel.InStream;
IHydrator hydrator = channel.settings.Hydrator;
CancellationTokenSource cts = channel.thrCancelTokens;
CancellationToken token = cts.Token;
while (!token.IsCancellationRequested)
{
object payload;
using (MemoryStream ms = new MemoryStream())
{
bool final;
do
{
byte[] buffer = new byte[HeaderPacketSize];
var handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
ReadBytes(buffer, stream);
HeaderPacket header =
(HeaderPacket)
Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(HeaderPacket));
final = header.Final;
if (token.IsCancellationRequested)
{
break;
}
if (header.Size > 0)
{
byte[] dataBuffer = new byte[header.Size];
var red = ReadBytes(dataBuffer, stream);
ms.Write(dataBuffer, 0, red);
}
}
finally
{
handle.Free();
}
} while (!final && !token.IsCancellationRequested);
if (ms.Length == 0)
{
continue;
}
ms.Seek(0, SeekOrigin.Begin);
try
{
payload = hydrator.Hydrate(ms);
}
catch
{
payload = null;
}
}
if (payload != null)
{
bus.Publish(payload);
}
}
}
/// <summary>
/// Reads a Ogg packet that has been encountered in the
/// stream.
/// </summary>
/// <param name="packet">
/// A <see cref="ByteVector" /> object containing a packet to
/// be read by the current instance.
/// </param>
/// <param name="index">
/// A <see cref="int" /> value containing the index of the
/// packet in the stream.
/// </param>
/// <returns>
/// <see langword="true" /> if the codec has read all the
/// necessary packets for the stream and does not need to be
/// called again, typically once the Xiph comment has been
/// found. Otherwise <see langword="false" />.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="packet" /> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index" /> is less than zero.
/// </exception>
/// <exception cref="CorruptFileException">
/// The data does not conform to the specificiation for the
/// codec represented by the current instance.
/// </exception>
public override bool ReadPacket (ByteVector packet, int index)
{
if (packet == null)
throw new ArgumentNullException ("packet");
if (index < 0)
throw new ArgumentOutOfRangeException ("index",
"index must be at least zero.");
ByteVector signature = MagicSignature (packet);
if (signature != magic_signature_header && index == 0)
throw new CorruptFileException (
"Stream does not begin with opus header.");
if (comment_data == null) {
if (signature == magic_signature_header)
header = new HeaderPacket (packet);
else if (signature == magic_signature_comment)
comment_data =
packet.Mid (magic_signature_length);
else
return true;
}
return comment_data != null;
}
protected PacketWithHeaderPacket(HeaderPacket header)
{
Header = header;
}
/// <summary>
/// Reads a Ogg packet that has been encountered in the
/// stream.
/// </summary>
/// <param name="packet">
/// A <see cref="ByteVector" /> object containing a packet to
/// be read by the current instance.
/// </param>
/// <param name="index">
/// A <see cref="int" /> value containing the index of the
/// packet in the stream.
/// </param>
/// <returns>
/// <see langword="true" /> if the codec has read all the
/// necessary packets for the stream and does not need to be
/// called again, typically once the Xiph comment has been
/// found. Otherwise <see langword="false" />.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="packet" /> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index" /> is less than zero.
/// </exception>
/// <exception cref="CorruptFileException">
/// The data does not conform to the specificiation for the
/// codec represented by the current instance.
/// </exception>
public override bool ReadPacket(ByteVector packet, int index)
{
if (packet == null)
System.Console.WriteLine("packet");
if (index < 0)
System.Console.WriteLine("index","index must be at least zero.");
int type = PacketType (packet);
if (type != 0x80 && index == 0)
System.Console.WriteLine(
"Stream does not begin with theora header.");
if (comment_data == null) {
if (type == 0x80)
header = new HeaderPacket (packet);
else if (type == 0x81)
comment_data = packet.Mid (7);
else
return true;
}
return comment_data != null;
}
public HandshakeInitializationPacket(HeaderPacket header)
: base(header)
{
}
