consumer_avformat.c:

[melted] / src / framework / mlt_consumer.c

diff --git a/src/framework/mlt_consumer.c b/src/framework/mlt_consumer.c
index 83ef8ff..de126e0 100644 (file)
--- a/src/framework/mlt_consumer.c
+++ b/src/framework/mlt_consumer.c
@@ -29,6 +29,8 @@
 #include <stdlib.h>
 #include <sys/time.h>
 
+#undef DEINTERLACE_ON_NOT_NORMAL_SPEED
+
 static void mlt_consumer_frame_render( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
 static void mlt_consumer_frame_show( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
 static void mlt_consumer_property_changed( mlt_service owner, mlt_consumer this, char *name );
@@ -322,6 +324,11 @@ int mlt_consumer_start( mlt_consumer this )
                mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL );
        }
 
+       // Set the frame duration in microseconds for the frame-dropping heuristic
+       int frame_duration = 1000000 / mlt_properties_get_int( properties, "frame_rate_num" ) *
+                       mlt_properties_get_int( properties, "frame_rate_den" );
+       mlt_properties_set_int( properties, "frame_duration", frame_duration );
+       
        // Check and run an ante command
        if ( mlt_properties_get( properties, "ante" ) )
                system( mlt_properties_get( properties, "ante" ) );
@@ -570,7 +577,9 @@ static void *consumer_read_ahead_thread( void *arg )
                // All non normal playback frames should be shown
                if ( mlt_properties_get_int( MLT_FRAME_PROPERTIES( frame ), "_speed" ) != 1 )
                {
+#ifdef DEINTERLACE_ON_NOT_NORMAL_SPEED
                        mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "consumer_deinterlace", 1 );
+#endif
                        skipped = 0;
                        time_frame = 0;
                        time_process = 0;
@@ -618,8 +627,12 @@ static void *consumer_read_ahead_thread( void *arg )
                time_process += time_difference( &ante );
 
                // Determine if the next frame should be skipped
-               if ( mlt_deque_count( this->queue ) <= 5 && ( ( time_wait + time_frame + time_process ) / count ) > 40000 )
-                       skip_next = 1;
+               if ( mlt_deque_count( this->queue ) <= 5 )
+               {
+                       int frame_duration = mlt_properties_get_int( properties, "frame_duration" );
+                       if ( ( ( time_wait + time_frame + time_process ) / count ) > frame_duration )
+                               skip_next = 1;
+               }
 
                // Unlock if there's a lock object
                if ( lock_object ) mlt_service_unlock( lock_object );
@@ -646,7 +659,24 @@ static void consumer_read_ahead_start( mlt_consumer this )
        pthread_cond_init( &this->cond, NULL );
 
        // Create the read ahead 
-       pthread_create( &this->ahead_thread, NULL, consumer_read_ahead_thread, this );
+       if ( mlt_properties_get( MLT_CONSUMER_PROPERTIES( this ), "priority" ) )
+       {
+               struct sched_param priority;
+               priority.sched_priority = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( this ), "priority" );
+               pthread_attr_t thread_attributes;
+               pthread_attr_init( &thread_attributes );
+               pthread_attr_setschedpolicy( &thread_attributes, SCHED_OTHER );
+               pthread_attr_setschedparam( &thread_attributes, &priority );
+               pthread_attr_setinheritsched( &thread_attributes, PTHREAD_EXPLICIT_SCHED );
+               pthread_attr_setscope( &thread_attributes, PTHREAD_SCOPE_SYSTEM );
+               if ( pthread_create( &this->ahead_thread, &thread_attributes, consumer_read_ahead_thread, this ) < 0 )
+                       pthread_create( &this->ahead_thread, NULL, consumer_read_ahead_thread, this );
+               pthread_attr_destroy( &thread_attributes );
+       }
+       else
+       {
+               pthread_create( &this->ahead_thread, NULL, consumer_read_ahead_thread, this );
+       }
 }
 
 static void consumer_read_ahead_stop( mlt_consumer this )