* 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_colour.h"
+#include <framework/mlt_producer.h>
#include <framework/mlt_frame.h>
#include <framework/mlt_pool.h>
#include <string.h>
-typedef struct
-{
- uint8_t r, g, b, a;
-} rgba_color;
-
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index );
static void producer_close( mlt_producer parent );
-mlt_producer producer_colour_init( char *colour )
+mlt_producer producer_colour_init( mlt_profile profile, mlt_service_type type, const char *id, char *colour )
{
mlt_producer producer = calloc( 1, sizeof( struct mlt_producer_s ) );
if ( producer != NULL && mlt_producer_init( producer, NULL ) == 0 )
producer->close = ( mlt_destructor )producer_close;
// Set the default properties
- mlt_properties_set( properties, "resource", colour == NULL ? "0x000000ff" : colour );
+ mlt_properties_set( properties, "resource", ( !colour || !strcmp( colour, "" ) ) ? "0x000000ff" : colour );
+ mlt_properties_set( properties, "_resource", "" );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
return producer;
}
return NULL;
}
-rgba_color parse_color( char *color )
-{
- rgba_color result = { 0xff, 0xff, 0xff, 0xff };
-
- if ( strchr( color, '/' ) )
- color = strrchr( color, '/' ) + 1;
-
- if ( !strncmp( color, "0x", 2 ) )
- {
- unsigned int temp = 0;
- sscanf( color + 2, "%x", &temp );
- result.r = ( temp >> 24 ) & 0xff;
- result.g = ( temp >> 16 ) & 0xff;
- result.b = ( temp >> 8 ) & 0xff;
- result.a = ( temp ) & 0xff;
- }
- else if ( !strcmp( color, "red" ) )
- {
- result.r = 0xff;
- result.g = 0x00;
- result.b = 0x00;
- }
- else if ( !strcmp( color, "green" ) )
- {
- result.r = 0x00;
- result.g = 0xff;
- result.b = 0x00;
- }
- else if ( !strcmp( color, "blue" ) )
- {
- result.r = 0x00;
- result.g = 0x00;
- result.b = 0xff;
- }
- else if ( strcmp( color, "white" ) )
- {
- unsigned int temp = 0;
- sscanf( color, "%d", &temp );
- result.r = ( temp >> 24 ) & 0xff;
- result.g = ( temp >> 16 ) & 0xff;
- result.b = ( temp >> 8 ) & 0xff;
- result.a = ( temp ) & 0xff;
- }
-
- return result;
-}
-
static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
{
- // May need to know the size of the image to clone it
- int size = 0;
-
// 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_colour", NULL );
+ mlt_service_lock( MLT_PRODUCER_SERVICE( producer ) );
+
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
- // Parse the colour
- rgba_color color = parse_color( mlt_properties_get( producer_props, "resource" ) );
+ // Get the current and previous colour strings
+ char *now = mlt_properties_get( producer_props, "resource" );
+ char *then = mlt_properties_get( producer_props, "_resource" );
// Get the current image and dimensions cached in the producer
+ int size = 0;
uint8_t *image = mlt_properties_get_data( producer_props, "image", &size );
- int current_width = mlt_properties_get_int( producer_props, "width" );
- int current_height = mlt_properties_get_int( producer_props, "height" );
+ int current_width = mlt_properties_get_int( producer_props, "_width" );
+ int current_height = mlt_properties_get_int( producer_props, "_height" );
+ mlt_image_format current_format = mlt_properties_get_int( producer_props, "_format" );
+
+ // Parse the colour
+ if ( now && strchr( now, '/' ) )
+ {
+ now = strdup( strrchr( now, '/' ) + 1 );
+ mlt_properties_set( producer_props, "resource", now );
+ free( now );
+ now = mlt_properties_get( producer_props, "resource" );
+ }
+ mlt_color color = mlt_properties_get_color( producer_props, "resource" );
+
+ // Choose suitable out values if nothing specific requested
+ if ( *format == mlt_image_none )
+ *format = mlt_image_rgb24a;
+ if ( *width <= 0 )
+ *width = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->width;
+ if ( *height <= 0 )
+ *height = mlt_service_profile( MLT_PRODUCER_SERVICE(producer) )->height;
// See if we need to regenerate
- if ( *width != current_width || *height != current_height )
+ if ( strcmp( now, then ) || *width != current_width || *height != current_height || *format != current_format )
{
// Color the image
- uint8_t y, u, v;
- int i = 0;
+ int i = *width * *height + 1;
+ int bpp;
// Allocate the image
- size = *width * *height * 2;
- image = mlt_pool_alloc( size );
+ size = mlt_image_format_size( *format, *width, *height, &bpp );
+ uint8_t *p = image = mlt_pool_alloc( size );
// Update the producer
mlt_properties_set_data( producer_props, "image", image, size, mlt_pool_release, NULL );
- mlt_properties_set_int( producer_props, "width", *width );
- mlt_properties_set_int( producer_props, "height", *height );
+ mlt_properties_set_int( producer_props, "_width", *width );
+ mlt_properties_set_int( producer_props, "_height", *height );
+ mlt_properties_set_int( producer_props, "_format", *format );
+ mlt_properties_set( producer_props, "_resource", now );
- RGB2YUV( color.r, color.g, color.b, y, u, v );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
- while ( i < size )
+ switch ( *format )
+ {
+ case mlt_image_yuv422:
{
- image[ i ++ ] = y;
- image[ i ++ ] = u;
- image[ i ++ ] = y;
- image[ i ++ ] = v;
+ int uneven = *width % 2;
+ int count = ( *width - uneven ) / 2 + 1;
+ uint8_t y, u, v;
+
+ RGB2YUV_601_SCALED( color.r, color.g, color.b, y, u, v );
+ i = *height + 1;
+ while ( --i )
+ {
+ int j = count;
+ while ( --j )
+ {
+ *p ++ = y;
+ *p ++ = u;
+ *p ++ = y;
+ *p ++ = v;
+ }
+ if ( uneven )
+ {
+ *p ++ = y;
+ *p ++ = u;
+ }
+ }
+ break;
+ }
+ case mlt_image_rgb24:
+ while ( --i )
+ {
+ *p ++ = color.r;
+ *p ++ = color.g;
+ *p ++ = color.b;
+ }
+ break;
+ case mlt_image_glsl:
+ case mlt_image_glsl_texture:
+ memset(p, 0, size);
+ break;
+ default:
+ *format = mlt_image_rgb24a;
+ while ( --i )
+ {
+ *p ++ = color.r;
+ *p ++ = color.g;
+ *p ++ = color.b;
+ *p ++ = color.a;
+ }
+ break;
}
}
-
- // Update the frame
- mlt_properties_set_data( properties, "image", image, size, NULL, NULL );
- mlt_properties_set_int( properties, "width", *width );
- mlt_properties_set_int( properties, "height", *height );
-
- // Clone if necessary
- if ( writable )
+ else
{
- // Create the alpha channel
- uint8_t *alpha = mlt_pool_alloc( size >> 1 );
+ mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
+ }
- // Clone our image
- uint8_t *copy = mlt_pool_alloc( size );
- memcpy( copy, image, size );
+ // Create the alpha channel
+ int alpha_size = *width * *height;
+ uint8_t *alpha = mlt_pool_alloc( alpha_size );
- // We're going to pass the copy on
- image = copy;
+ // Initialise the alpha
+ if ( alpha )
+ memset( alpha, color.a, alpha_size );
- // Initialise the alpha
- if ( alpha )
- memset( alpha, color.a, size >> 1 );
+ // Clone our image
+ *buffer = mlt_pool_alloc( size );
+ memcpy( *buffer, image, size );
- // Now update properties so we free the copy after
- mlt_properties_set_data( properties, "image", copy, size, mlt_pool_release, NULL );
- mlt_properties_set_data( properties, "alpha", alpha, size >> 1, mlt_pool_release, NULL );
- }
+ // Now update properties so we free the copy after
+ mlt_frame_set_image( frame, *buffer, size, mlt_pool_release );
+ mlt_frame_set_alpha( frame, alpha, alpha_size, mlt_pool_release );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
+ mlt_properties_set_int( properties, "meta.media.width", *width );
+ mlt_properties_set_int( properties, "meta.media.height", *height );
- // Pass on the image
- *buffer = image;
- *format = mlt_image_yuv422;
return 0;
}
static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
{
// Generate a frame
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
if ( *frame != NULL )
{
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
- // Determine if we're producing PAL or NTSC
- int is_pal = mlt_properties_get_double( producer_props, "fps" ) == 25.0;
-
// Set the producer on the frame properties
mlt_properties_set_data( properties, "producer_colour", producer, 0, NULL, NULL );
// Set producer-specific frame properties
mlt_properties_set_int( properties, "progressive", 1 );
- mlt_properties_set_double( properties, "aspect_ratio", is_pal ? 59.0/54.0 : 10.0/11.0 );
+ mlt_profile profile = mlt_service_profile( MLT_PRODUCER_SERVICE( producer ) );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
// colour is an alias for resource
if ( mlt_properties_get( producer_props, "colour" ) != NULL )
projects / mlt / blobdiff