static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ){ mlt_frame b_frame = mlt_frame_pop_frame( a_frame ); mlt_transition transition = mlt_frame_pop_service( a_frame ); mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition ); mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame ); mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame ); int invert = mlt_properties_get_int( properties, "invert" ); uint8_t *images[]={NULL,NULL,NULL}; *format = mlt_image_rgb24a; mlt_frame_get_image( a_frame, &images[0], format, width, height, 0 ); mlt_frame_get_image( b_frame, &images[1], format, width, height, 0 ); double position = mlt_transition_get_position( transition, a_frame ); mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( transition ) ); double time = position / mlt_profile_fps( profile ); process_frei0r_item( MLT_TRANSITION_SERVICE(transition), position, time, properties, !invert ? a_frame : b_frame, images, width, height ); *width = mlt_properties_get_int( !invert ? a_props : b_props, "width" ); *height = mlt_properties_get_int( !invert ? a_props : b_props, "height" ); *image = mlt_properties_get_data( !invert ? a_props : b_props , "image", NULL ); return 0; }
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable ) { // Obtain properties of frame mlt_properties properties = MLT_FRAME_PROPERTIES( frame ); // Obtain the producer for this frame mlt_producer producer = mlt_properties_get_data( properties, "producer_frei0r", NULL ); // Obtain properties of producer mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer ); // Allocate the image int size = *width * ( *height + 1 ) * 2; // Allocate the image *buffer = mlt_pool_alloc( size ); // Update the frame mlt_properties_set_data( properties, "image", *buffer, size, mlt_pool_release, NULL ); mlt_properties_set_int( properties, "width", *width ); mlt_properties_set_int( properties, "height", *height ); *format = mlt_image_yuv422; if ( *buffer != NULL ) { mlt_position in = mlt_producer_get_in( producer ); mlt_position out = mlt_producer_get_out( producer ); mlt_position time = mlt_frame_get_position( frame ); double position = ( double )( time - in ) / ( double )( out - in + 1 ); process_frei0r_item( producer_type , position, producer_props, frame , buffer, format , width , height , writable ); } return 0; }
static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ){ if (*format!=mlt_image_yuv422 ){ return -1; } mlt_frame b_frame = mlt_frame_pop_frame( a_frame ); mlt_transition transition = mlt_frame_pop_service( a_frame ); mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition ); mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame ); mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame ); int invert = mlt_properties_get_int( properties, "invert" ); if ( mlt_properties_get( a_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( a_props, "rescale.interp" ), "none" ) ) mlt_properties_set( a_props, "rescale.interp", "nearest" ); // set consumer_aspect_ratio for a and b frame if ( mlt_properties_get_double( a_props, "aspect_ratio" ) == 0.0 ) mlt_properties_set_double( a_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); if ( mlt_properties_get_double( b_props, "aspect_ratio" ) == 0.0 ) mlt_properties_set_double( b_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); if ( mlt_properties_get( b_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( b_props, "rescale.interp" ), "none" ) ) mlt_properties_set( b_props, "rescale.interp", "nearest" ); uint8_t *images[]={NULL,NULL,NULL}; mlt_frame_get_image( a_frame, &images[0], format, width, height, 1 ); mlt_frame_get_image( b_frame, &images[1], format, width, height, 1 ); mlt_position in = mlt_transition_get_in( transition ); mlt_position out = mlt_transition_get_out( transition ); // Get the position of the frame char *name = mlt_properties_get( MLT_TRANSITION_PROPERTIES( transition ), "_unique_id" ); mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( a_frame ), name ); float pos=( float )( position - in ) / ( float )( out - in + 1 ); process_frei0r_item( transition_type , pos , properties, !invert ? a_frame : b_frame , images , format, width,height, writable ); *width = mlt_properties_get_int( !invert ? a_props : b_props, "width" ); *height = mlt_properties_get_int( !invert ? a_props : b_props, "height" ); *image = mlt_properties_get_data( !invert ? a_props : b_props , "image", NULL ); return 0; }
static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { mlt_filter filter = mlt_frame_pop_service( frame ); *format = mlt_image_rgb24a; mlt_log_debug( MLT_FILTER_SERVICE( filter ), "frei0r %dx%d\n", *width, *height ); int error = mlt_frame_get_image( frame, image, format, width, height, 0 ); if ( error == 0 && *image ) { double position = mlt_filter_get_position( filter, frame ); mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) ); double time = position / mlt_profile_fps( profile ); int length = mlt_filter_get_length2( filter, frame ); process_frei0r_item( MLT_FILTER_SERVICE(filter), position, time, length, frame, image, width, height ); } return error; }
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable ) { // Obtain properties of frame mlt_properties properties = MLT_FRAME_PROPERTIES( frame ); // Obtain the producer for this frame mlt_producer producer = mlt_properties_get_data( properties, "producer_frei0r", NULL ); // Obtain properties of producer mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer ); // Choose suitable out values if nothing specific requested if ( *width <= 0 ) *width = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->width; if ( *height <= 0 ) *height = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->height; // Allocate the image int size = *width * ( *height + 1 ) * 4; // Allocate the image *buffer = mlt_pool_alloc( size ); // Update the frame mlt_frame_set_image( frame, *buffer, size, mlt_pool_release ); *format = mlt_image_rgb24a; if ( *buffer != NULL ) { double position = mlt_frame_get_position( frame ); mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) ); double time = position / mlt_profile_fps( profile ); process_frei0r_item( MLT_PRODUCER_SERVICE(producer), position, time, producer_props, frame, buffer, width, height ); } return 0; }