Method write

Engine/source/sfx/openal/sfxALBuffer.cpp:84–167

}

void SFXALBuffer::write( SFXInternal::SFXStreamPacket* const* packets, U32 num )
{
   using namespace SFXInternal;
   
   if( !num )
      return;
   
   // If this is not a streaming buffer, just load the data into our single
   // static buffer.
   
   if( !isStreaming() )
   {
      SFXStreamPacket* packet = packets[ num - 1 ];
      
      ALenum alFormat = _sfxFormatToALFormat( getFormat() );
      AssertFatal( alFormat != 0, "SFXALBuffer::write() - format unsupported" );
      
      mOpenAL.alBufferData( mALBuffer, alFormat,
         packet->data, packet->mSizeActual, getFormat().getSamplesPerSecond() );
         
      destructSingle( packet );
      return;
   }

   MutexHandle mutex;
   mutex.lock( &_getUniqueVoice()->mMutex, true );

   // Unqueue processed packets.

   ALuint source = _getUniqueVoice()->mSourceName;
   ALint numProcessed;
   mOpenAL.alGetSourcei( source, AL_BUFFERS_PROCESSED, &numProcessed );
   
   for( U32 i = 0; i < numProcessed; ++ i )
   {
      // Unqueue the buffer.
      
      ALuint buffer;
      mOpenAL.alSourceUnqueueBuffers( source, 1, &buffer );
      
      // Update the sample offset on the voice.
      
      ALint size;
      mOpenAL.alGetBufferi( buffer, AL_SIZE, &size );
      _getUniqueVoice()->mSampleOffset += size / getFormat().getBytesPerSample();
      
      // Push the buffer onto the freelist.
      
      mFreeBuffers.push_back( buffer );
   }

   // Queue buffers.

   for( U32 i = 0; i < num; ++ i )
   {
      SFXStreamPacket* packet = packets[ i ];
      
      // Allocate a buffer.