Method read

Engine/source/sfx/media/sfxWavStream.cpp:259–300

}

U32 SFXWavStream::read( U8 *buffer, U32 bytes )
{
   AssertFatal( mStream, "SFXWavStream::seek() - Stream is null!" );

   // Read in even sample chunks.
   
   bytes -= bytes % mFormat.getBytesPerSample();

   // Read the data and determine how much we've read.
   // FileStreams apparently report positions past
   // the actual stream length, so manually cap the
   // numbers here.
   
   const U32 oldPosition = mStream->getPosition();
   mStream->read( bytes, buffer );
   U32 newPosition = mStream->getPosition();
   const U32 maxPosition = getDataLength() + mDataStart;
   if( newPosition > maxPosition )
      newPosition = maxPosition;
      
   const U32 numBytesRead = newPosition - oldPosition;

   // TODO: Is it *just* 16 bit samples that needs to 
   // be flipped?  What about 32 bit samples?
   #ifdef TORQUE_BIG_ENDIAN

      // We need to endian-flip 16-bit data.
      if ( getFormat().getBytesPerChannel() == 2 ) 
      {
         U16 *ds = (U16*)buffer;
         U16 *de = (U16*)(buffer+bytes);
         while (ds<de)
         {
            *ds = convertLEndianToHost(*ds);
            ds++;
         }
      }

   #endif

   return numBytesRead;
}