#include <framework/mlt_filter.h>
#include <framework/mlt_frame.h>
+#include <framework/mlt_profile.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
-/** Swapbytes inline.
-*/
-
-static inline void swap_bytes( uint8_t *upper, uint8_t *lower )
-{
- uint8_t t = *lower;
- *lower = *upper;
- *upper = t;
-}
-
static uint8_t *resize_alpha( uint8_t *input, int owidth, int oheight, int iwidth, int iheight, uint8_t alpha_value )
{
uint8_t *output = NULL;
resizes.
*/
-static uint8_t *frame_resize_image( mlt_frame this, int owidth, int oheight, int bpp )
+static uint8_t *frame_resize_image( mlt_frame frame, int owidth, int oheight, int bpp )
{
// Get properties
- mlt_properties properties = MLT_FRAME_PROPERTIES( this );
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Get the input image, width and height
uint8_t *input = mlt_properties_get_data( properties, "image", NULL );
- uint8_t *alpha = mlt_frame_get_alpha_mask( this );
+ uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
int alpha_size = 0;
mlt_properties_get_data( properties, "alpha", &alpha_size );
int iheight = mlt_properties_get_int( properties, "height" );
// If width and height are correct, don't do anything
- if ( iwidth != owidth || iheight != oheight )
+ if ( iwidth < owidth || iheight < oheight )
{
uint8_t alpha_value = mlt_properties_get_int( properties, "resize_alpha" );
resize_image( output, owidth, oheight, input, iwidth, iheight, bpp );
// Now update the frame
- mlt_properties_set_data( properties, "image", output, owidth * ( oheight + 1 ) * bpp, ( mlt_destructor )mlt_pool_release, NULL );
- mlt_properties_set_int( properties, "width", owidth );
- mlt_properties_set_int( properties, "height", oheight );
+ mlt_frame_set_image( frame, output, owidth * ( oheight + 1 ) * bpp, mlt_pool_release );
// We should resize the alpha too
if ( alpha && alpha_size >= iwidth * iheight )
{
alpha = resize_alpha( alpha, owidth, oheight, iwidth, iheight, alpha_value );
if ( alpha )
- {
- mlt_properties_set_data( properties, "alpha", alpha, owidth * oheight, ( mlt_destructor )mlt_pool_release, NULL );
- this->get_alpha_mask = NULL;
- }
+ mlt_frame_set_alpha( frame, alpha, owidth * oheight, mlt_pool_release );
}
// Return the output
/** 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 )
{
int error = 0;
// Get the properties from the frame
- mlt_properties properties = MLT_FRAME_PROPERTIES( this );
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Pop the top of stack now
- mlt_filter filter = mlt_frame_pop_service( this );
+ mlt_filter filter = mlt_frame_pop_service( frame );
+ mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
// Retrieve the aspect ratio
- double aspect_ratio = mlt_deque_pop_back_double( MLT_FRAME_IMAGE_STACK( this ) );
+ double aspect_ratio = mlt_deque_pop_back_double( MLT_FRAME_IMAGE_STACK( frame ) );
+ double consumer_aspect = mlt_profile_sar( mlt_service_profile( MLT_FILTER_SERVICE( filter ) ) );
// Correct Width/height if necessary
if ( *width == 0 || *height == 0 )
{
- *width = mlt_properties_get_int( properties, "normalised_width" );
- *height = mlt_properties_get_int( properties, "normalised_height" );
+ *width = profile->width;
+ *height = profile->height;
}
// Assign requested width/height from our subordinate
// Check for the special case - no aspect ratio means no problem :-)
if ( aspect_ratio == 0.0 )
- aspect_ratio = mlt_properties_get_double( properties, "consumer_aspect_ratio" );
+ aspect_ratio = consumer_aspect;
// Reset the aspect ratio
mlt_properties_set_double( properties, "aspect_ratio", aspect_ratio );
// Hmmm...
char *rescale = mlt_properties_get( properties, "rescale.interp" );
if ( rescale != NULL && !strcmp( rescale, "none" ) )
- return mlt_frame_get_image( this, image, format, width, height, writable );
+ return mlt_frame_get_image( frame, image, format, width, height, writable );
if ( mlt_properties_get_int( properties, "distort" ) == 0 )
{
// Normalise the input and out display aspect
- int normalised_width = mlt_properties_get_int( properties, "normalised_width" );
- int normalised_height = mlt_properties_get_int( properties, "normalised_height" );
- int real_width = mlt_properties_get_int( properties, "real_width" );
- int real_height = mlt_properties_get_int( properties, "real_height" );
+ int normalised_width = profile->width;
+ int normalised_height = profile->height;
+ int real_width = mlt_properties_get_int( properties, "meta.media.width" );
+ int real_height = mlt_properties_get_int( properties, "meta.media.height" );
if ( real_width == 0 )
real_width = mlt_properties_get_int( properties, "width" );
if ( real_height == 0 )
real_height = mlt_properties_get_int( properties, "height" );
double input_ar = aspect_ratio * real_width / real_height;
- double output_ar = mlt_properties_get_double( properties, "consumer_aspect_ratio" ) * owidth / oheight;
+ double output_ar = consumer_aspect * owidth / oheight;
// fprintf( stderr, "real %dx%d normalised %dx%d output %dx%d sar %f in-dar %f out-dar %f\n",
// real_width, real_height, normalised_width, normalised_height, owidth, oheight, aspect_ratio, input_ar, output_ar);
oheight = rint( scaled_height * oheight / normalised_height );
// Tell frame we have conformed the aspect to the consumer
- mlt_frame_set_aspect_ratio( this, mlt_properties_get_double( properties, "consumer_aspect_ratio" ) );
+ mlt_frame_set_aspect_ratio( frame, consumer_aspect );
}
mlt_properties_set_int( properties, "distort", 0 );
// Now get the image
if ( *format == mlt_image_yuv422 )
owidth -= owidth % 2;
- error = mlt_frame_get_image( this, image, format, &owidth, &oheight, writable );
+ error = mlt_frame_get_image( frame, image, format, &owidth, &oheight, writable );
if ( error == 0 && *image )
{
- // Get the requested scale operation
- char *op = mlt_properties_get( MLT_FILTER_PROPERTIES( filter ), "scale" );
int bpp;
-
- switch ( *format )
- {
- case mlt_image_yuv422:
- bpp = 2;
- break;
- case mlt_image_rgb24:
- bpp = 3;
- break;
- case mlt_image_rgb24a:
- case mlt_image_opengl:
- bpp = 4;
- break;
- default:
- // XXX: we only know how to resize packed formats
- return 1;
- }
-
- // Provides a manual override for misreported field order
- if ( mlt_properties_get( properties, "meta.top_field_first" ) )
- mlt_properties_set_int( properties, "top_field_first", mlt_properties_get_int( properties, "meta.top_field_first" ) );
-
- // Correct field order if needed
- if ( mlt_properties_get_int( properties, "top_field_first" ) == 1 &&
- mlt_properties_get( properties, "progressive" ) &&
- mlt_properties_get_int( properties, "progressive" ) == 0 )
- {
- // Get the input image, width and height
- int size = owidth * oheight * bpp;
- uint8_t *ptr = *image + owidth * bpp;
- memmove( ptr, *image, size - owidth * bpp );
-
- // Set the normalised field order
- mlt_properties_set_int( properties, "top_field_first", 0 );
- mlt_properties_set_int( properties, "meta.top_field_first", 0 );
- }
-
- if ( !strcmp( op, "affine" ) )
- {
- // TODO: Determine where this is needed and find a different way
- // *image = mlt_frame_rescale_image( this, *width, *height, bpp );
- }
- else if ( strcmp( op, "none" ) != 0 )
- {
- *image = frame_resize_image( this, *width, *height, bpp );
- }
- else
- {
- *width = owidth;
- *height = oheight;
- }
+ mlt_image_format_size( *format, owidth, oheight, &bpp );
+ *image = frame_resize_image( frame, *width, *height, bpp );
}
return error;
/** Filter processing.
*/
-static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
+static mlt_frame filter_process( mlt_filter filter, mlt_frame frame )
{
// Store the aspect ratio reported by the source
mlt_deque_push_back_double( MLT_FRAME_IMAGE_STACK( frame ), mlt_frame_get_aspect_ratio( frame ) );
// Push this on to the service stack
- mlt_frame_push_service( frame, this );
+ mlt_frame_push_service( frame, filter );
// Push the get_image method on to the stack
mlt_frame_push_get_image( frame, filter_get_image );
mlt_filter filter_resize_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
- mlt_filter this = calloc( sizeof( struct mlt_filter_s ), 1 );
- if ( mlt_filter_init( this, this ) == 0 )
+ mlt_filter filter = calloc( 1, sizeof( struct mlt_filter_s ) );
+ if ( mlt_filter_init( filter, filter ) == 0 )
{
- this->process = filter_process;
- mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "scale", arg == NULL ? "off" : arg );
+ filter->process = filter_process;
}
- return this;
+ return filter;
}
projects / mlt / blobdiff