X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_watermark.c;h=2e88e082adc7ff6a82ce11cfbc8568acf234ed72;hb=42eea21bf0c71036397cac39f19d537c9344081c;hp=1b343c392afd43ce94a5fb2e56bb435034ce3ea5;hpb=0ef075de03b447797a8530585815c8c86aae5178;p=melted diff --git a/src/modules/core/filter_watermark.c b/src/modules/core/filter_watermark.c index 1b343c3..2e88e08 100644 --- a/src/modules/core/filter_watermark.c +++ b/src/modules/core/filter_watermark.c @@ -3,23 +3,22 @@ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Charles Yates * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * - * This program is distributed in the hope that it will be useful, + * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include "filter_watermark.h" - +#include #include #include #include @@ -27,58 +26,192 @@ #include #include +#include /** Do it :-). */ -static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) +static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { + // Error we will return int error = 0; - mlt_filter filter = mlt_frame_pop_service( this ); - mlt_properties properties = mlt_filter_properties( filter ); + + // Get the watermark filter object + mlt_filter this = mlt_frame_pop_service( frame ); + + // Get the properties of the filter + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); + + // Get the producer from the filter mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL ); + + // Get the composite from the filter mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL ); + // Get the resource to use + char *resource = mlt_properties_get( properties, "resource" ); + + // Get the old resource + char *old_resource = mlt_properties_get( properties, "_old_resource" ); + + // Create a composite if we don't have one if ( composite == NULL ) { - composite = mlt_factory_transition( "composite", NULL ); + // Create composite via the factory + mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( this ) ); + composite = mlt_factory_transition( profile, "composite", NULL ); + + // Register the composite for reuse/destruction if ( composite != NULL ) - { - mlt_properties composite_properties = mlt_transition_properties( composite ); - mlt_properties_pass( composite_properties, properties, "composite." ); mlt_properties_set_data( properties, "composite", composite, 0, ( mlt_destructor )mlt_transition_close, NULL ); - } } - if ( producer == NULL ) + // If we have one + if ( composite != NULL ) { - char *resource = mlt_properties_get( properties, "resource" ); + // Get the properties + mlt_properties composite_properties = MLT_TRANSITION_PROPERTIES( composite ); + + // Pass all the composite. properties on the filter down + mlt_properties_pass( composite_properties, properties, "composite." ); + + if ( mlt_properties_get( properties, "composite.out" ) == NULL ) + mlt_properties_set_int( composite_properties, "out", mlt_properties_get_int( properties, "_out" ) ); + + // Force a refresh + mlt_properties_set_int( composite_properties, "refresh", 1 ); + } + + // Create a producer if don't have one + if ( producer == NULL || ( old_resource != NULL && strcmp( resource, old_resource ) ) ) + { + // Get the factory producer service char *factory = mlt_properties_get( properties, "factory" ); - producer = mlt_factory_producer( factory, resource ); + + // Create the producer + mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( this ) ); + producer = mlt_factory_producer( profile, factory, resource ); + + // If we have one if ( producer != NULL ) { - mlt_properties producer_properties = mlt_producer_properties( producer ); - mlt_properties_set( producer_properties, "eof", "loop" ); - mlt_properties_pass( producer_properties, properties, "producer." ); + // Register the producer for reuse/destruction mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL ); + + // Ensure that we loop + mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "loop" ); + + // Set the old resource + mlt_properties_set( properties, "_old_resource", resource ); } } + if ( producer != NULL ) + { + // Get the producer properties + mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer ); + + // Now pass all producer. properties on the filter down + mlt_properties_pass( producer_properties, properties, "producer." ); + } + + // Only continue if we have both producer and composite if ( composite != NULL && producer != NULL ) { - mlt_service service = mlt_producer_service( producer ); + // Get the service of the producer + mlt_service service = MLT_PRODUCER_SERVICE( producer ); + + // We will get the 'b frame' from the producer mlt_frame b_frame = NULL; + // Get the unique id of the filter (used to reacquire the producer position) + char *name = mlt_properties_get( properties, "_unique_id" ); + + // Get the original producer position + mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), name ); + + // Make sure the producer is in the correct position + mlt_producer_seek( producer, position ); + + // Resetting position to appease the composite transition + mlt_frame_set_position( frame, position ); + + // Get the b frame and process with composite if successful if ( mlt_service_get_frame( service, &b_frame, 0 ) == 0 ) - mlt_transition_process( composite, this, b_frame ); + { + // Get the a and b frame properties + mlt_properties a_props = MLT_FRAME_PROPERTIES( frame ); + mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame ); + + // Set the b frame to be in the same position and have same consumer requirements + mlt_frame_set_position( b_frame, position ); + mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); + mlt_properties_set_int( b_props, "consumer_deinterlace", mlt_properties_get_int( a_props, "consumer_deinterlace" ) || mlt_properties_get_int( properties, "deinterlace" ) ); + mlt_properties_set_double( b_props, "output_ratio", mlt_properties_get_double( a_props, "output_ratio" ) ); - error = mlt_frame_get_image( this, image, format, width, height, 1 ); + // Check for the special case - no aspect ratio means no problem :-) + if ( mlt_frame_get_aspect_ratio( b_frame ) == 0 ) + mlt_properties_set_double( b_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); + if ( mlt_frame_get_aspect_ratio( frame ) == 0 ) + mlt_properties_set_double( a_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); + mlt_properties_set_int( b_props, "normalised_width", mlt_properties_get_int( a_props, "normalised_width" ) ); + mlt_properties_set_int( b_props, "normalised_height", mlt_properties_get_int( a_props, "normalised_height" ) ); + + if ( mlt_properties_get_int( properties, "distort" ) ) + { + mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( composite ), "distort", 1 ); + mlt_properties_set_int( a_props, "distort", 1 ); + mlt_properties_set_int( b_props, "distort", 1 ); + } + + if ( mlt_properties_get_int( properties, "reverse" ) == 0 ) + { + // Apply all filters that are attached to this filter to the b frame + mlt_service_apply_filters( MLT_FILTER_SERVICE( this ), b_frame, 0 ); + + // Process the frame + mlt_transition_process( composite, frame, b_frame ); + + // Get the image + error = mlt_frame_get_image( frame, image, format, width, height, 1 ); + } + else + { + char temp[ 132 ]; + int count = 0; + uint8_t *alpha = NULL; + const char *rescale = mlt_properties_get( a_props, "rescale.interp" ); + if ( rescale == NULL || !strcmp( rescale, "none" ) ) + rescale = "hyper"; + mlt_transition_process( composite, b_frame, frame ); + mlt_properties_set_int( a_props, "consumer_deinterlace", 1 ); + mlt_properties_set_int( b_props, "consumer_deinterlace", 1 ); + mlt_properties_set( a_props, "rescale.interp", rescale ); + mlt_properties_set( b_props, "rescale.interp", rescale ); + mlt_service_apply_filters( MLT_FILTER_SERVICE( this ), b_frame, 0 ); + error = mlt_frame_get_image( b_frame, image, format, width, height, 1 ); + alpha = mlt_frame_get_alpha_mask( b_frame ); + mlt_properties_set_data( a_props, "image", *image, *width * *height * 2, NULL, NULL ); + mlt_properties_set_data( a_props, "alpha", alpha, *width * *height, NULL, NULL ); + mlt_properties_set_int( a_props, "width", *width ); + mlt_properties_set_int( a_props, "height", *height ); + mlt_properties_set_int( a_props, "progressive", 1 ); + mlt_properties_inc_ref( b_props ); + strcpy( temp, "_b_frame" ); + while( mlt_properties_get_data( a_props, temp, NULL ) != NULL ) + sprintf( temp, "_b_frame%d", count ++ ); + mlt_properties_set_data( a_props, temp, b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL ); + } + } + + // Close the b frame mlt_frame_close( b_frame ); } else { - error = mlt_frame_get_image( this, image, format, width, height, 1 ); + // Get the image from the frame without running fx + error = mlt_frame_get_image( frame, image, format, width, height, 1 ); } return error; @@ -89,6 +222,18 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format * static mlt_frame filter_process( mlt_filter this, mlt_frame frame ) { + // Get the properties of the frame + mlt_properties properties = MLT_FRAME_PROPERTIES( frame ); + + // Get a unique name to store the frame position + char *name = mlt_properties_get( MLT_FILTER_PROPERTIES( this ), "_unique_id" ); + + // Assign the frame out point to the filter (just in case we need it later) + mlt_properties_set_int( MLT_FILTER_PROPERTIES( this ), "_out", mlt_properties_get_int( properties, "out" ) ); + + // Assign the current position to the name + mlt_properties_set_position( properties, name, mlt_frame_get_position( frame ) - mlt_filter_get_in( this ) ); + // Push the filter on to the stack mlt_frame_push_service( frame, this ); @@ -101,16 +246,18 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame ) /** Constructor for the filter. */ -mlt_filter filter_watermark_init( void *arg ) +mlt_filter filter_watermark_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg ) { mlt_filter this = mlt_filter_new( ); if ( this != NULL ) { - mlt_properties properties = mlt_filter_properties( this ); + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); this->process = filter_process; mlt_properties_set( properties, "factory", "fezzik" ); if ( arg != NULL ) mlt_properties_set( properties, "resource", arg ); + // Ensure that attached filters are handled privately + mlt_properties_set_int( properties, "_filter_private", 1 ); } return this; }