experimental tuning

[melted] / src / framework / mlt_consumer.c

diff --git a/src/framework/mlt_consumer.c b/src/framework/mlt_consumer.c
index aadbb07..a04863d 100644 (file)
--- a/src/framework/mlt_consumer.c
+++ b/src/framework/mlt_consumer.c
@@ -228,14 +228,14 @@ static void *consumer_read_ahead_thread( void *arg )
        int64_t time_image = 0;
 
        // Get the first frame
-       gettimeofday( &ante, NULL );
        frame = mlt_consumer_get_frame( this );
-       time_frame = time_difference( &ante );
 
        // Get the image of the first frame
        mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
        mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
-       time_image = time_difference( &ante );
+
+       // Get the starting time (can ignore the times above)
+       gettimeofday( &ante, NULL );
 
        // Continue to read ahead
        while ( this->ahead )
@@ -257,19 +257,13 @@ static void *consumer_read_ahead_thread( void *arg )
                count ++;
 
                // Get the image
-               if ( ( time_frame + time_image + time_wait ) / count < 40000 )
+               if ( ( time_frame + time_image ) / count < ( 40000 - ( time_wait / count ) ) )
                {
                        // Get the image, mark as rendered and time it
                        mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
                        mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
                        time_image += time_difference( &ante );
                }
-               else
-               {
-                       // This is wrong, but it avoids slower machines getting starved 
-                       // It is, after all, impossible to go back in time :-/
-                       time_image -= ( time_image / count / 8 );
-               }
        }
 
        // Remove the last frame