-
/*
* producer_pixbuf.c -- raster image loader based upon gdk-pixbuf
* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Dan Dennedy <dan@dennedy.org>
*
- * 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 "producer_pixbuf.h"
+#include <framework/mlt_producer.h>
#include <framework/mlt_frame.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
uint8_t *alpha;
};
+static void load_filenames( producer_pixbuf this, mlt_properties producer_properties );
+static void refresh_image( mlt_frame frame, int width, int height );
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index );
static void producer_close( mlt_producer parent );
mlt_properties_set_int( properties, "ttl", 25 );
mlt_properties_set_int( properties, "aspect_ratio", 1 );
mlt_properties_set_int( properties, "progressive", 1 );
-
+
+ // Validate the resource
+ if ( filename )
+ load_filenames( this, properties );
+ if ( this->count )
+ {
+ mlt_frame frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
+ if ( frame )
+ {
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
+ mlt_properties_set_data( properties, "producer_pixbuf", this, 0, NULL, NULL );
+ mlt_frame_set_position( frame, mlt_producer_position( producer ) );
+ mlt_properties_set_position( properties, "pixbuf_position", mlt_producer_position( producer ) );
+ refresh_image( frame, 0, 0 );
+ mlt_frame_close( frame );
+ }
+ }
+ if ( this->width == 0 )
+ {
+ producer_close( producer );
+ producer = NULL;
+ }
return producer;
}
free( this );
return NULL;
}
+static void load_filenames( producer_pixbuf this, mlt_properties producer_properties )
+{
+ char *filename = mlt_properties_get( producer_properties, "resource" );
+ this->filenames = mlt_properties_new( );
+
+ // Read xml string
+ if ( strstr( filename, "<svg" ) )
+ {
+ // Generate a temporary file for the svg
+ char fullname[ 1024 ] = "/tmp/mlt.XXXXXX";
+ int fd = mkstemp( fullname );
+
+ if ( fd > -1 )
+ {
+ // Write the svg into the temp file
+ ssize_t remaining_bytes;
+ char *xml = filename;
+
+ // Strip leading crap
+ while ( xml[0] != '<' )
+ xml++;
+
+ remaining_bytes = strlen( xml );
+ while ( remaining_bytes > 0 )
+ remaining_bytes -= write( fd, xml + strlen( xml ) - remaining_bytes, remaining_bytes );
+ close( fd );
+
+ mlt_properties_set( this->filenames, "0", fullname );
+
+ // Teehe - when the producer closes, delete the temp file and the space allo
+ mlt_properties_set_data( producer_properties, "__temporary_file__", fullname, 0, ( mlt_destructor )unlink, NULL );
+ }
+ }
+ // Obtain filenames
+ else if ( strchr( filename, '%' ) != NULL )
+ {
+ // handle picture sequences
+ int i = mlt_properties_get_int( producer_properties, "begin" );
+ int gap = 0;
+ char full[1024];
+ int keyvalue = 0;
+ char key[ 50 ];
+
+ while ( gap < 100 )
+ {
+ struct stat buf;
+ snprintf( full, 1023, filename, i ++ );
+ if ( stat( full, &buf ) == 0 )
+ {
+ sprintf( key, "%d", keyvalue ++ );
+ mlt_properties_set( this->filenames, key, full );
+ gap = 0;
+ }
+ else
+ {
+ gap ++;
+ }
+ }
+ }
+ else if ( strstr( filename, "/.all." ) != NULL )
+ {
+ char wildcard[ 1024 ];
+ char *dir_name = strdup( filename );
+ char *extension = strrchr( dir_name, '.' );
+
+ *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
+ sprintf( wildcard, "*%s", extension );
+
+ mlt_properties_dir_list( this->filenames, dir_name, wildcard, 1 );
+
+ free( dir_name );
+ }
+ else
+ {
+ mlt_properties_set( this->filenames, "0", filename );
+ }
+
+ this->count = mlt_properties_count( this->filenames );
+}
+
static void refresh_image( mlt_frame frame, int width, int height )
{
// Pixbuf
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+ // Check if user wants us to reload the image
+ if ( mlt_properties_get_int( producer_props, "force_reload" ) )
+ {
+ pixbuf = NULL;
+ this->image = NULL;
+ mlt_properties_set_int( producer_props, "force_reload", 0 );
+ }
+
// Obtain the cache flag and structure
int use_cache = mlt_properties_get_int( producer_props, "cache" );
mlt_properties cache = mlt_properties_get_data( producer_props, "_cache", NULL );
// Get the original position of this frame
mlt_position position = mlt_properties_get_position( properties, "pixbuf_position" );
+ position += mlt_producer_get_in( producer );
// Image index
int image_idx = ( int )floor( ( double )position / ttl ) % this->count;
if ( update_cache )
{
- mlt_frame cached = mlt_frame_init( );
+ mlt_frame cached = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
mlt_properties cached_props = MLT_FRAME_PROPERTIES( cached );
mlt_properties_set_int( cached_props, "width", this->width );
mlt_properties_set_int( cached_props, "height", this->height );
// The fault is not in the design of mlt, but in the implementation of the pixbuf producer...
if ( *buffer != NULL )
{
- // Clone the image and the alpha
- uint8_t *image_copy = mlt_pool_alloc( image_size );
- uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
+ if ( *format == mlt_image_yuv422 || *format == mlt_image_yuv420p )
+ {
+ // Clone the image and the alpha
+ uint8_t *image_copy = mlt_pool_alloc( image_size );
+ uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
- memcpy( image_copy, *buffer, image_size );
+ memcpy( image_copy, *buffer, image_size );
- // Copy or default the alpha
- if ( alpha != NULL )
- memcpy( alpha_copy, alpha, alpha_size );
- else
- memset( alpha_copy, 255, alpha_size );
+ // Copy or default the alpha
+ if ( alpha != NULL )
+ memcpy( alpha_copy, alpha, alpha_size );
+ else
+ memset( alpha_copy, 255, alpha_size );
+
+ // Now update properties so we free the copy after
+ mlt_properties_set_data( properties, "image", image_copy, image_size, mlt_pool_release, NULL );
+ mlt_properties_set_data( properties, "alpha", alpha_copy, alpha_size, mlt_pool_release, NULL );
- // Now update properties so we free the copy after
- mlt_properties_set_data( properties, "image", image_copy, image_size, mlt_pool_release, NULL );
- mlt_properties_set_data( properties, "alpha", alpha_copy, alpha_size, mlt_pool_release, NULL );
+ // We're going to pass the copy on
+ *buffer = image_copy;
+ }
+ else if ( *format == mlt_image_rgb24a )
+ {
+ // Clone the image and the alpha
+ image_size = *width * ( *height + 1 ) * 4;
+ alpha_size = *width * ( *height + 1 );
+ uint8_t *image_copy = mlt_pool_alloc( image_size );
+ uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
+
+ mlt_convert_yuv422_to_rgb24a(*buffer, image_copy, (*width)*(*height));
+
+ // Now update properties so we free the copy after
+ mlt_properties_set_data( properties, "image", image_copy, image_size, mlt_pool_release, NULL );
+ mlt_properties_set_data( properties, "alpha", alpha_copy, alpha_size, mlt_pool_release, NULL );
+
+ // We're going to pass the copy on
+ *buffer = image_copy;
+ }
- // We're going to pass the copy on
- *buffer = image_copy;
}
else
{
mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
if ( this->filenames == NULL && mlt_properties_get( producer_properties, "resource" ) != NULL )
- {
- char *filename = mlt_properties_get( producer_properties, "resource" );
- this->filenames = mlt_properties_new( );
-
- // Read xml string
- if ( strstr( filename, "<svg" ) )
- {
- // Generate a temporary file for the svg
- char fullname[ 1024 ] = "/tmp/mlt.XXXXXX";
- int fd = mkstemp( fullname );
-
- if ( fd > -1 )
- {
- // Write the svg into the temp file
- ssize_t remaining_bytes;
- char *xml = filename;
-
- // Strip leading crap
- while ( xml[0] != '<' )
- xml++;
-
- remaining_bytes = strlen( xml );
- while ( remaining_bytes > 0 )
- remaining_bytes -= write( fd, xml + strlen( xml ) - remaining_bytes, remaining_bytes );
- close( fd );
-
- mlt_properties_set( this->filenames, "0", fullname );
-
- // Teehe - when the producer closes, delete the temp file and the space allo
- mlt_properties_set_data( producer_properties, "__temporary_file__", fullname, 0, ( mlt_destructor )unlink, NULL );
- }
- }
- // Obtain filenames
- else if ( strchr( filename, '%' ) != NULL )
- {
- // handle picture sequences
- int i = mlt_properties_get_int( producer_properties, "begin" );
- int gap = 0;
- char full[1024];
- int keyvalue = 0;
- char key[ 50 ];
-
- while ( gap < 100 )
- {
- struct stat buf;
- snprintf( full, 1023, filename, i ++ );
- if ( stat( full, &buf ) == 0 )
- {
- sprintf( key, "%d", keyvalue ++ );
- mlt_properties_set( this->filenames, "0", full );
- gap = 0;
- }
- else
- {
- gap ++;
- }
- }
- }
- else if ( strstr( filename, "/.all." ) != NULL )
- {
- char wildcard[ 1024 ];
- char *dir_name = strdup( filename );
- char *extension = strrchr( dir_name, '.' );
-
- *( strstr( dir_name, "/.all." ) + 1 ) = '\0';
- sprintf( wildcard, "*%s", extension );
-
- mlt_properties_dir_list( this->filenames, dir_name, wildcard, 1 );
-
- free( dir_name );
- }
- else
- {
- mlt_properties_set( this->filenames, "0", filename );
- }
-
- this->count = mlt_properties_count( this->filenames );
- }
+ load_filenames( this, producer_properties );
// Generate a frame
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
if ( *frame != NULL && this->count > 0 )
{
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