Method init

Engine/source/core/ogg/oggInputStream.cpp:139–192

}

bool OggInputStream::init()
{
   if( !mStream->hasCapability( Stream::StreamPosition ) )
      return false;
      
   mStream->setPosition( 0 );
   
   // Read all beginning-of-stream pages and construct decoders
   // for all streams we recognize.
   
   while( 1 )
   {
      // Read next page.
      
      ogg_page startPage;
      _pullNextPage( &startPage );
         
      // If not a beginning-of-stream page, push it to the decoders
      // and stop reading headers.

      if( !ogg_page_bos( &startPage ) )
      {
         _pushNextPage( &startPage );
         break;
      }
         
      // Try the list of constructors for one that consumes
      // the page.
         
      for( U32 i = 0; i < mConstructors.size(); ++ i )
      {
         OggDecoder* decoder = mConstructors[ i ]( this );
         if( decoder->_detect( &startPage ) )
            mDecoders.push_back( decoder );
         else
            delete decoder;
      }
   }
   
   // Initialize decoders and let all them finish up header processing.
   
   for( U32 i = 0; i < mDecoders.size(); ++ i )
      if( !mDecoders[ i ]->_init() )
      {
         delete mDecoders[ i ];
         mDecoders.erase( i );
         -- i;
      }
   
   if( !mDecoders.size() )
      return false;
      
   return true;
}

void OggInputStream::_freeDecoders()
{