src/framework/mlt_tractor.c
[melted] / src / framework / mlt_tractor.c
index ffc4779..3bcf020 100644 (file)
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
 /** Forward references to static methods.
 */
@@ -209,6 +210,7 @@ static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_forma
        mlt_properties_set_int( frame_properties, "distort", mlt_properties_get_int( properties, "distort" ) );
        mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "consumer_aspect_ratio" ) );
        mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_double( properties, "consumer_deinterlace" ) );
+       mlt_properties_set( frame_properties, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
        mlt_properties_set_int( frame_properties, "normalised_width", mlt_properties_get_double( properties, "normalised_width" ) );
        mlt_properties_set_int( frame_properties, "normalised_height", mlt_properties_get_double( properties, "normalised_height" ) );
        mlt_frame_get_image( frame, buffer, format, width, height, writable );
@@ -251,6 +253,8 @@ static void destroy_data_queue( void *arg )
 }
 
 /** Get the next frame.
+
+       TODO: This function needs to be redesigned...
 */
 
 static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int track )
@@ -322,6 +326,53 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                                // Check for last track
                                done = mlt_properties_get_int( temp_properties, "last_track" );
 
+                               // Handle fx only tracks
+                               if ( mlt_properties_get_int( temp_properties, "meta.fx_cut" ) )
+                               {
+                                       mlt_properties copy = video == NULL ? frame_properties : MLT_FRAME_PROPERTIES( video );
+                                       int i = 0;
+
+                                       for ( i = 0; i < mlt_properties_count( temp_properties ); i ++ )
+                                       {
+                                               char *name = mlt_properties_get_name( temp_properties, i );
+                                               char *value = mlt_properties_get_value( temp_properties, i );
+                                               // For animated filters
+                                               if ( isdigit( name[ 0 ] ) && value != NULL )
+                                                       mlt_properties_set( copy, name, value );
+                                       }
+
+                                       if ( video )
+                                       {
+                                               // Take all but the first placeholding producer and dump on to the image stack
+                                               void *p = mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( temp ) );
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_IMAGE_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_IMAGE_STACK( video ), p );
+                                       }
+                                       else
+                                       {
+                                               mlt_frame_push_service( *frame, temp );
+                                               mlt_frame_push_service( *frame, producer_get_image );
+                                               mlt_properties_set_int( frame_properties, "meta.fx_cut", 1 );
+                                       }
+
+                                       if ( audio )
+                                       {
+                                               // Take all but the first placeholding producer and dump on to the audio stack
+                                               void *p = !mlt_frame_is_test_audio( temp ) ? mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( temp ) ) : NULL;
+                                               while ( ( p = mlt_deque_pop_front( MLT_FRAME_AUDIO_STACK( temp ) ) ) != NULL )
+                                                       mlt_deque_push_back( MLT_FRAME_AUDIO_STACK( audio ), p );
+                                       }
+                                       else
+                                       {
+                                               mlt_frame_push_audio( *frame, temp );
+                                               mlt_frame_push_audio( *frame, producer_get_audio );
+                                               mlt_properties_set_int( frame_properties, "meta.fx_cut", 1 );
+                                       }
+
+                                       // Ensure everything is hidden
+                                       mlt_properties_set_int( temp_properties, "hide", 3 );
+                               }
+
                                // We store all frames with a destructor on the output frame
                                sprintf( label, "_%s_%d", id, count ++ );
                                mlt_properties_set_data( frame_properties, label, temp, 0, ( mlt_destructor )mlt_frame_close, NULL );
@@ -332,7 +383,7 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                                        // Move the contents of this queue on to the output frames data queue
                                        mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "data_queue", NULL );
                                        mlt_deque temp = mlt_deque_init( );
-                                       while ( mlt_deque_count( sub_queue ) )
+                                       while ( global_feed && mlt_deque_count( sub_queue ) )
                                        {
                                                mlt_properties p = mlt_deque_pop_back( sub_queue );
                                                if ( mlt_properties_get_int( p, "final" ) )
@@ -358,9 +409,24 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
 
                                // Pick up first video and audio frames
                                if ( !done && !mlt_frame_is_test_audio( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 2 ) )
+                               {
+                                       // Order of frame creation is starting to get problematic
+                                       if ( audio != NULL )
+                                       {
+                                               mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), producer_get_audio );
+                                               mlt_deque_push_front( MLT_FRAME_AUDIO_STACK( temp ), audio );
+                                       }
                                        audio = temp;
+                               }
                                if ( !done && !mlt_frame_is_test_card( temp ) && !( mlt_properties_get_int( temp_properties, "hide" ) & 1 ) )
+                               {
+                                       if ( video != NULL )
+                                       {
+                                               mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), producer_get_image );
+                                               mlt_deque_push_front( MLT_FRAME_IMAGE_STACK( temp ), video );
+                                       }
                                        video = temp;
+                               }
                        }
        
                        // Now stack callbacks