]> git.sesse.net Git - mlt/blobdiff - src/modules/core/producer_colour.c
Producer color hack for Movit.
[mlt] / src / modules / core / producer_colour.c
index a5f3fcdc2961727a21bd28d4bcde41d42db20237..0121689ec1b57c86c7080681b8d4d91f66f3478c 100644 (file)
@@ -48,9 +48,9 @@ mlt_producer producer_colour_init( mlt_profile profile, mlt_service_type type, c
                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", 0 );
+               mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
                
                return producer;
        }
@@ -62,9 +62,6 @@ rgba_color parse_color( char *color, unsigned int color_int )
 {
        rgba_color result = { 0xff, 0xff, 0xff, 0xff };
 
-       if ( strchr( color, '/' ) )
-               color = strrchr( color, '/' ) + 1;
-
        if ( !strcmp( color, "red" ) )
        {
                result.r = 0xff;
@@ -83,6 +80,12 @@ rgba_color parse_color( char *color, unsigned int color_int )
                result.g = 0x00;
                result.b = 0xff;
        }
+       else if ( !strcmp( color, "black" ) )
+       {
+               result.r = 0x00;
+               result.g = 0x00;
+               result.b = 0x00;
+       }
        else if ( strcmp( color, "white" ) )
        {
                result.r = ( color_int >> 24 ) & 0xff;
@@ -96,15 +99,14 @@ rgba_color parse_color( char *color, unsigned int color_int )
 
 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 );
 
@@ -113,86 +115,126 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form
        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" );
+       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" );
+       }
        rgba_color color = parse_color( now, mlt_properties_get_int( 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 ( strcmp( now, then ) || *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 = *height;
-               int j = 0;
-               int uneven = *width % 2;
-               int count = ( *width - uneven ) / 2;
-               uint8_t *p = NULL;
+               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, "_format", *format );
                mlt_properties_set( producer_props, "_resource", now );
 
-               RGB2YUV( color.r, color.g, color.b, y, u, v );
-
-               p = image;
+               mlt_service_unlock( MLT_PRODUCER_SERVICE( producer ) );
 
-               while ( i -- )
+               switch ( *format )
+               {
+               case mlt_image_yuv422:
                {
-                       j = count;
-                       while ( j -- )
+                       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 )
                        {
-                               *p ++ = y;
-                               *p ++ = u;
-                               *p ++ = y;
-                               *p ++ = v;
+                               int j = count;
+                               while ( --j )
+                               {
+                                       *p ++ = y;
+                                       *p ++ = u;
+                                       *p ++ = y;
+                                       *p ++ = v;
+                               }
+                               if ( uneven )
+                               {
+                                       *p ++ = y;
+                                       *p ++ = u;
+                               }
                        }
-                       if ( uneven )
+                       break;
+               }
+               case mlt_image_rgb24:
+                       while ( --i )
                        {
-                               *p ++ = y;
-                               *p ++ = u;
+                               *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_int( properties, "width", *width );
-       mlt_properties_set_int( properties, "height", *height );
-       
-       // Clone if necessary (deemed always necessary)
-       if ( 1 )
+       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 );
-               mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
-       }
+       // 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;
 }
@@ -218,7 +260,8 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i
 
                // Set producer-specific frame properties
                mlt_properties_set_int( properties, "progressive", 1 );
-               mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
+               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 )