예제 #1
0
        public void OnHeader([In, MarshalAs(UnmanagedType.Interface)] INSSBuffer pHeader)
        {
            byte[] buffer;
            uint   Length;

            if (pHeader is ManBuffer)
            {
                buffer = ((ManBuffer)pHeader).Buffer;
                Length = ((ManBuffer)pHeader).UsedLength;
            }
            else
            {
                NSSBuffer b = new NSSBuffer(pHeader);
                Length = b.Length;
                buffer = new byte[Length];
                b.Read(buffer, 0, (int)Length);
            }
            if (!m_HeaderWrote)
            {
                if (BaseStream.CanSeek)
                {
                    m_HeaderPosition = BaseStream.Position;
                    m_HeaderLength   = Length;
                }
                m_HeaderWrote = true;
                base.Write(buffer, 0, (int)Length);
            }
            else if (BaseStream.CanSeek && (Length == m_HeaderLength))
            {
                long pos = BaseStream.Position;
                BaseStream.Position = m_HeaderPosition;
                BaseStream.Write(buffer, 0, (int)Length);
                BaseStream.Position = pos;
            }
        }
예제 #2
0
        public void OnDataUnit([In, MarshalAs(UnmanagedType.Interface)] INSSBuffer pDataUnit)

        {
            byte[] buffer;

            int Length;

            if (pDataUnit is ManBuffer)

            {
                buffer = ((ManBuffer)pDataUnit).Buffer;

                Length = (int)((ManBuffer)pDataUnit).UsedLength;
            }

            else

            {
                NSSBuffer b = new NSSBuffer(pDataUnit);

                Length = (int)b.Length;

                buffer = new byte[Length];

                b.Read(buffer, 0, Length);
            }

            base.Write(buffer, 0, Length);
        }
예제 #3
0
 public void OnDataUnit( [In, MarshalAs(UnmanagedType.Interface)] INSSBuffer pDataUnit )
 {
   byte[] buffer;
   int Length;
   if (pDataUnit is ManBuffer)
   {
     buffer = ((ManBuffer)pDataUnit).Buffer;
     Length = (int)((ManBuffer)pDataUnit).UsedLength;
   }
   else
   {
     NSSBuffer b = new NSSBuffer(pDataUnit);
     Length = (int)b.Length;
     buffer = new byte[Length];
     b.Read(buffer, 0, Length);
   }
   base.Write(buffer, 0, Length);
 }
예제 #4
0
 public void OnHeader( [In, MarshalAs(UnmanagedType.Interface)] INSSBuffer pHeader )
 {
   byte[] buffer;
   uint Length;
   if ( pHeader is ManBuffer)
   {
     buffer = ((ManBuffer)pHeader).Buffer;
     Length = ((ManBuffer)pHeader).UsedLength;
   }
   else
   {
     NSSBuffer b = new NSSBuffer(pHeader);
     Length = b.Length;
     buffer = new byte[Length];
     b.Read(buffer, 0, (int)Length);
   }
   if ( !m_HeaderWrote )
   {
     if (BaseStream.CanSeek)
     {
       m_HeaderPosition = BaseStream.Position;
       m_HeaderLength = Length;
     }
     m_HeaderWrote = true;
     base.Write(buffer, 0, (int)Length);
   }
   else if (BaseStream.CanSeek && (Length == m_HeaderLength) )
   {
     long pos = BaseStream.Position;
     BaseStream.Position = m_HeaderPosition;
     BaseStream.Write(buffer, 0, (int)Length);
     BaseStream.Position = pos;
   }
 }
예제 #5
0
 public override int Read(byte[] buffer, int offset, int count)
 {
     if (m_Reader != null)
     {
         int read = 0;
         if ((m_Length > 0) && ((m_Length - m_Position) < count))
         {
             count = (int)(m_Length - m_Position);
         }
         if (m_BufferReader != null)
         {
             while ((m_BufferReader.Position < m_BufferReader.Length) && (read < count))
             {
                 read += m_BufferReader.Read(buffer, offset, count);
             }
         }
         while (read < count)
         {
             INSSBuffer sample     = null;
             ulong      SampleTime = 0;
             ulong      Duration   = 0;
             uint       Flags      = 0;
             try {
                 m_Reader.GetNextSample(m_OuputStream, out sample, out SampleTime, out Duration, out Flags, out m_OutputNumber, out m_OuputStream);
             } catch (COMException e) {
                 if (e.ErrorCode == WM.NS_E_NO_MORE_SAMPLES)
                 {
                     //No more samples
                     if (m_OutputFormat.wBitsPerSample == 8)
                     {
                         while (read < count)
                         {
                             buffer[offset + read] = 0x80;
                             read++;
                         }
                     }
                     else
                     {
                         Array.Clear(buffer, offset + read, count - read);
                         read = count;
                     }
                     break;
                 }
                 else
                 {
                     throw(e);
                 }
             }
             m_BufferReader = new NSSBuffer(sample);
             read          += m_BufferReader.Read(buffer, offset + read, count - read);
         }
         if ((m_BufferReader != null) && (m_BufferReader.Position >= m_BufferReader.Length))
         {
             m_BufferReader = null;
         }
         m_Position += read;
         return(read);
     }
     else
     {
         throw new ObjectDisposedException(this.ToString());
     }
 }
예제 #6
0
 public override int Read(byte[] buffer, int offset, int count)
 {
   if (m_Reader != null)
   { 
     int read = 0;
     if ( (m_Length > 0) && ( (m_Length-m_Position) < count) )
     {
       count = (int)(m_Length-m_Position);
     }
     if (m_BufferReader != null)
     {
       while ( (m_BufferReader.Position < m_BufferReader.Length) && (read < count) )
       {
         read += m_BufferReader.Read(buffer, offset, count);
       }
     }
     while (read < count)
     {
       INSSBuffer sample = null;
       ulong SampleTime = 0;
       ulong Duration = 0;
       uint Flags = 0;
       try
       {
         m_Reader.GetNextSample(m_OuputStream, out sample, out SampleTime, out Duration, out Flags, out m_OutputNumber, out m_OuputStream);
       }
       catch (COMException e)
       {
         if (e.ErrorCode == WM.NS_E_NO_MORE_SAMPLES)
         { //No more samples
           if (m_OutputFormat.wBitsPerSample == 8)
           {
             while ( read < count )
             {
               buffer[offset+read] = 0x80;
               read++;
             }
           }
           else
           {
             Array.Clear(buffer, offset+read, count-read);
             read = count;
           }
           break; 
         }
         else
         {
           throw (e);
         }
       }
       m_BufferReader = new NSSBuffer(sample);
       read += m_BufferReader.Read(buffer, offset+read, count-read);
     }
     if ( (m_BufferReader != null) && (m_BufferReader.Position >= m_BufferReader.Length) )
     {
       m_BufferReader = null;
     }
     m_Position += read;
     return read;
   }
   else
   {
     throw new ObjectDisposedException(this.ToString());
   }
 }