]> git.sesse.net Git - mlt/blobdiff - src/framework/mlt_tractor.c
src/framework/mlt_frame.c
[mlt] / src / framework / mlt_tractor.c
index 968b518adddaacae76f65693c2caf4f4827da7ad..094352e32678ccb70ef7959dbabaec3f91dcc304 100644 (file)
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 
 /** Forward references to static methods.
 */
@@ -203,23 +204,21 @@ static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_forma
        mlt_properties properties = MLT_FRAME_PROPERTIES( this );
        mlt_frame frame = mlt_frame_pop_service( this );
        mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
-       mlt_properties_set_int( frame_properties, "width", mlt_properties_get_int( properties, "width" ) );
-       mlt_properties_set_int( frame_properties, "height", mlt_properties_get_int( properties, "height" ) );
        mlt_properties_set( frame_properties, "rescale.interp", mlt_properties_get( properties, "rescale.interp" ) );
-       if ( mlt_properties_get( properties, "distort" ) )
-               mlt_properties_set( frame_properties, "distort", mlt_properties_get( properties, "distort" ) );
+       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_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_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( 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_int( properties, "normalised_width" ) );
+       mlt_properties_set_int( frame_properties, "normalised_height", mlt_properties_get_int( properties, "normalised_height" ) );
        mlt_frame_get_image( frame, buffer, format, width, height, writable );
        mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, NULL, NULL );
        mlt_properties_set_int( properties, "width", *width );
        mlt_properties_set_int( properties, "height", *height );
+       mlt_properties_set_int( properties, "format", *format );
        mlt_properties_set_double( properties, "aspect_ratio", mlt_frame_get_aspect_ratio( frame ) );
        mlt_properties_set_int( properties, "progressive", mlt_properties_get_int( frame_properties, "progressive" ) );
-       if ( mlt_properties_get( frame_properties, "distort" ) )
-               mlt_properties_set( properties, "distort", mlt_properties_get( frame_properties, "distort" ) );
+       mlt_properties_set_int( properties, "distort", mlt_properties_get_int( frame_properties, "distort" ) );
        data = mlt_frame_get_alpha_mask( frame );
        mlt_properties_set_data( properties, "alpha", data, 0, NULL, NULL );
        return 0;
@@ -236,7 +235,25 @@ static int producer_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_forma
        return 0;
 }
 
+static void destroy_data_queue( void *arg )
+{
+       if ( arg != NULL )
+       {
+               // Assign the correct type
+               mlt_deque queue = arg;
+
+               // Iterate through each item and destroy them
+               while ( mlt_deque_peek_front( queue ) != NULL )
+                       mlt_properties_close( mlt_deque_pop_back( queue ) );
+
+               // Close the deque
+               mlt_deque_close( queue );
+       }
+}
+
 /** 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 )
@@ -250,6 +267,7 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                int done = 0;
                mlt_frame temp = NULL;
                int count = 0;
+               int image_count = 0;
 
                // Get the properties of the parent producer
                mlt_properties properties = MLT_PRODUCER_PROPERTIES( parent );
@@ -260,6 +278,12 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                // Or a specific producer
                mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
 
+               // The output frame will hold the 'global' data feeds (ie: those which are targetted for the final frame)
+               mlt_deque data_queue = mlt_deque_init( );
+
+               // Determine whether this tractor feeds to the consumer or stops here
+               int global_feed = mlt_properties_get_int( properties, "global_feed" );
+
                // If we don't have one, we're in trouble... 
                if ( multitrack != NULL )
                {
@@ -275,9 +299,7 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                        // We'll store audio and video frames to use here
                        mlt_frame audio = NULL;
                        mlt_frame video = NULL;
-
-                       // Determine which data_queue to pass on...
-                       void *data_queue = NULL;
+                       mlt_frame first_video = NULL;
 
                        // Temporary properties
                        mlt_properties temp_properties = NULL;
@@ -305,61 +327,110 @@ 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, "fx_cut" ) )
+                               {
+                                       int hide = ( video == NULL ? 1 : 0 ) | ( audio == NULL ? 2 : 0 );
+                                       mlt_properties_set_int( temp_properties, "hide", hide );
+                               }
+
                                // 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 );
 
-                               // We want the first data_queue, but after that, all queues are appended
-                               if ( !done && mlt_properties_get_data( temp_properties, "data_queue", NULL ) != NULL && 
-                                    mlt_deque_count( mlt_properties_get_data( temp_properties, "data_queue", NULL ) ) != 0 )
+                               // We want to append all 'final' feeds to the global queue
+                               if ( !done && mlt_properties_get_data( temp_properties, "data_queue", NULL ) != NULL )
                                {
-                                       if ( data_queue == NULL )
+                                       // 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 ( global_feed && mlt_deque_count( sub_queue ) )
                                        {
-                                               data_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "data_queue", NULL );
+                                               mlt_properties p = mlt_deque_pop_back( sub_queue );
+                                               if ( mlt_properties_get_int( p, "final" ) )
+                                                       mlt_deque_push_back( data_queue, p );
+                                               else
+                                                       mlt_deque_push_back( temp, p );
                                        }
-                                       else
+                                       while( mlt_deque_count( temp ) )
+                                               mlt_deque_push_front( sub_queue, mlt_deque_pop_back( temp ) );
+                                       mlt_deque_close( temp );
+                               }
+
+                               // Now do the same with the global queue but without the conditional behaviour
+                               if ( mlt_properties_get_data( temp_properties, "global_queue", NULL ) != NULL )
+                               {
+                                       mlt_deque sub_queue = mlt_properties_get_data( MLT_FRAME_PROPERTIES( temp ), "global_queue", NULL );
+                                       while ( mlt_deque_count( sub_queue ) )
                                        {
-                                               // 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 );
-                                               while ( mlt_deque_count( sub_queue ) )
-                                               {
-                                                       void *p = mlt_deque_pop_back( sub_queue );
-                                                       mlt_deque_push_back( data_queue, p );
-                                               }
+                                               mlt_properties p = mlt_deque_pop_back( sub_queue );
+                                               mlt_deque_push_back( data_queue, p );
                                        }
                                }
 
                                // 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;
+                                       if ( first_video == NULL )
+                                               first_video = temp;
+
+                                       // Ensure that all frames know the aspect ratio of the background
+                                       mlt_properties_set_double( temp_properties, "output_ratio", 
+                                                                                          mlt_properties_get_double( MLT_FRAME_PROPERTIES( first_video ), "aspect_ratio" ) );
+
+                                       mlt_properties_set_int( MLT_FRAME_PROPERTIES( temp ), "image_count", ++ image_count );
+                                       image_count = 1;
+                               }
                        }
        
                        // Now stack callbacks
                        if ( audio != NULL )
                        {
                                mlt_frame_push_audio( *frame, audio );
-                               ( *frame )->get_audio = producer_get_audio;
+                               mlt_frame_push_audio( *frame, producer_get_audio );
                        }
 
                        if ( video != NULL )
                        {
-                               mlt_properties video_properties = MLT_FRAME_PROPERTIES( video );
+                               mlt_properties video_properties = MLT_FRAME_PROPERTIES( first_video );
                                mlt_frame_push_service( *frame, video );
                                mlt_frame_push_service( *frame, producer_get_image );
-                               mlt_properties_set_data( frame_properties, "data_queue", data_queue, 0, NULL, NULL );
+                               if ( global_feed )
+                                       mlt_properties_set_data( frame_properties, "data_queue", data_queue, 0, NULL, NULL );
+                               mlt_properties_set_data( video_properties, "global_queue", data_queue, 0, destroy_data_queue, NULL );
                                mlt_properties_set_int( frame_properties, "width", mlt_properties_get_int( video_properties, "width" ) );
                                mlt_properties_set_int( frame_properties, "height", mlt_properties_get_int( video_properties, "height" ) );
                                mlt_properties_set_int( frame_properties, "real_width", mlt_properties_get_int( video_properties, "real_width" ) );
                                mlt_properties_set_int( frame_properties, "real_height", mlt_properties_get_int( video_properties, "real_height" ) );
                                mlt_properties_set_int( frame_properties, "progressive", mlt_properties_get_int( video_properties, "progressive" ) );
                                mlt_properties_set_double( frame_properties, "aspect_ratio", mlt_properties_get_double( video_properties, "aspect_ratio" ) );
+                               mlt_properties_set_int( frame_properties, "image_count", image_count );
+                       }
+                       else
+                       {
+                               destroy_data_queue( data_queue );
                        }
 
                        mlt_frame_set_position( *frame, mlt_producer_frame( parent ) );
                        mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", audio == NULL );
                        mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", video == NULL );
+                       mlt_properties_set_data( MLT_FRAME_PROPERTIES( *frame ), "consumer_lock_service", this, 0, NULL, NULL );
                }
                else if ( producer != NULL )
                {