/** Calculate real geometry.
*/
-static void geometry_calculate( mlt_transition this, const char *store, struct mlt_geometry_item_s *output, float position )
+static void geometry_calculate( mlt_transition transition, const char *store, struct mlt_geometry_item_s *output, float position )
{
- mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
+ mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
mlt_geometry geometry = mlt_properties_get_data( properties, store, NULL );
int mirror_off = mlt_properties_get_int( properties, "mirror_off" );
int repeat_off = mlt_properties_get_int( properties, "repeat_off" );
}
-static mlt_geometry transition_parse_keys( mlt_transition this, const char *name, const char *store, int normalised_width, int normalised_height )
+static mlt_geometry transition_parse_keys( mlt_transition transition, const char *name, const char *store, int normalised_width, int normalised_height )
{
// Get the properties of the transition
- mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
+ mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
// Try to fetch it first
mlt_geometry geometry = mlt_properties_get_data( properties, store, NULL );
- // Get the in and out position
- int always_active = mlt_properties_get_int( properties, "always_active" );
- mlt_position in = mlt_transition_get_in( this );
- mlt_position out = !always_active ? mlt_transition_get_out( this ) : -1;
-
// Determine length and obtain cycle
- int length = out - in + 1;
+ mlt_position length = mlt_transition_get_length( transition );
double cycle = mlt_properties_get_double( properties, "cycle" );
// Allow a geometry repeat cycle
return geometry;
}
-static mlt_geometry composite_calculate( mlt_transition this, struct mlt_geometry_item_s *result, int nw, int nh, float position )
+static mlt_geometry composite_calculate( mlt_transition transition, struct mlt_geometry_item_s *result, int nw, int nh, float position )
{
// Structures for geometry
- mlt_geometry start = transition_parse_keys( this, "geometry", "geometries", nw, nh );
+ mlt_geometry start = transition_parse_keys( transition, "geometry", "geometries", nw, nh );
// Do the calculation
- geometry_calculate( this, "geometries", result, position );
+ geometry_calculate( transition, "geometries", result, position );
return start;
}
-static inline float composite_calculate_key( mlt_transition this, const char *name, const char *store, int norm, float position )
+static inline float composite_calculate_key( mlt_transition transition, const char *name, const char *store, int norm, float position )
{
// Struct for the result
struct mlt_geometry_item_s result;
// Structures for geometry
- transition_parse_keys( this, name, store, norm, 0 );
+ transition_parse_keys( transition, name, store, norm, 0 );
// Do the calculation
- geometry_calculate( this, store, &result, position );
+ geometry_calculate( transition, store, &result, position );
return result.x;
}
}
affine_t;
-static void affine_init( float this[3][3] )
+static void affine_init( float affine[3][3] )
{
- this[0][0] = 1;
- this[0][1] = 0;
- this[0][2] = 0;
- this[1][0] = 0;
- this[1][1] = 1;
- this[1][2] = 0;
- this[2][0] = 0;
- this[2][1] = 0;
- this[2][2] = 1;
+ affine[0][0] = 1;
+ affine[0][1] = 0;
+ affine[0][2] = 0;
+ affine[1][0] = 0;
+ affine[1][1] = 1;
+ affine[1][2] = 0;
+ affine[2][0] = 0;
+ affine[2][1] = 0;
+ affine[2][2] = 1;
}
// Multiply two this affine transform with that
-static void affine_multiply( float this[3][3], float that[3][3] )
+static void affine_multiply( float affine[3][3], float matrix[3][3] )
{
float output[3][3];
int i;
for ( i = 0; i < 3; i ++ )
for ( j = 0; j < 3; j ++ )
- output[i][j] = this[i][0] * that[j][0] + this[i][1] * that[j][1] + this[i][2] * that[j][2];
-
- this[0][0] = output[0][0];
- this[0][1] = output[0][1];
- this[0][2] = output[0][2];
- this[1][0] = output[1][0];
- this[1][1] = output[1][1];
- this[1][2] = output[1][2];
- this[2][0] = output[2][0];
- this[2][1] = output[2][1];
- this[2][2] = output[2][2];
+ output[i][j] = affine[i][0] * matrix[j][0] + affine[i][1] * matrix[j][1] + affine[i][2] * matrix[j][2];
+
+ affine[0][0] = output[0][0];
+ affine[0][1] = output[0][1];
+ affine[0][2] = output[0][2];
+ affine[1][0] = output[1][0];
+ affine[1][1] = output[1][1];
+ affine[1][2] = output[1][2];
+ affine[2][0] = output[2][0];
+ affine[2][1] = output[2][1];
+ affine[2][2] = output[2][2];
}
// Rotate by a given angle
-static void affine_rotate_x( float this[3][3], float angle )
+static void affine_rotate_x( float affine[3][3], float angle )
{
- float affine[3][3];
- affine[0][0] = cos( angle * M_PI / 180 );
- affine[0][1] = 0 - sin( angle * M_PI / 180 );
- affine[0][2] = 0;
- affine[1][0] = sin( angle * M_PI / 180 );
- affine[1][1] = cos( angle * M_PI / 180 );
- affine[1][2] = 0;
- affine[2][0] = 0;
- affine[2][1] = 0;
- affine[2][2] = 1;
- affine_multiply( this, affine );
+ float matrix[3][3];
+ matrix[0][0] = cos( angle * M_PI / 180 );
+ matrix[0][1] = 0 - sin( angle * M_PI / 180 );
+ matrix[0][2] = 0;
+ matrix[1][0] = sin( angle * M_PI / 180 );
+ matrix[1][1] = cos( angle * M_PI / 180 );
+ matrix[1][2] = 0;
+ matrix[2][0] = 0;
+ matrix[2][1] = 0;
+ matrix[2][2] = 1;
+ affine_multiply( affine, matrix );
}
-static void affine_rotate_y( float this[3][3], float angle )
+static void affine_rotate_y( float affine[3][3], float angle )
{
- float affine[3][3];
- affine[0][0] = cos( angle * M_PI / 180 );
- affine[0][1] = 0;
- affine[0][2] = 0 - sin( angle * M_PI / 180 );
- affine[1][0] = 0;
- affine[1][1] = 1;
- affine[1][2] = 0;
- affine[2][0] = sin( angle * M_PI / 180 );
- affine[2][1] = 0;
- affine[2][2] = cos( angle * M_PI / 180 );
- affine_multiply( this, affine );
+ float matrix[3][3];
+ matrix[0][0] = cos( angle * M_PI / 180 );
+ matrix[0][1] = 0;
+ matrix[0][2] = 0 - sin( angle * M_PI / 180 );
+ matrix[1][0] = 0;
+ matrix[1][1] = 1;
+ matrix[1][2] = 0;
+ matrix[2][0] = sin( angle * M_PI / 180 );
+ matrix[2][1] = 0;
+ matrix[2][2] = cos( angle * M_PI / 180 );
+ affine_multiply( affine, matrix );
}
-static void affine_rotate_z( float this[3][3], float angle )
+static void affine_rotate_z( float affine[3][3], float angle )
{
- float affine[3][3];
- affine[0][0] = 1;
- affine[0][1] = 0;
- affine[0][2] = 0;
- affine[1][0] = 0;
- affine[1][1] = cos( angle * M_PI / 180 );
- affine[1][2] = sin( angle * M_PI / 180 );
- affine[2][0] = 0;
- affine[2][1] = - sin( angle * M_PI / 180 );
- affine[2][2] = cos( angle * M_PI / 180 );
- affine_multiply( this, affine );
+ float matrix[3][3];
+ matrix[0][0] = 1;
+ matrix[0][1] = 0;
+ matrix[0][2] = 0;
+ matrix[1][0] = 0;
+ matrix[1][1] = cos( angle * M_PI / 180 );
+ matrix[1][2] = sin( angle * M_PI / 180 );
+ matrix[2][0] = 0;
+ matrix[2][1] = - sin( angle * M_PI / 180 );
+ matrix[2][2] = cos( angle * M_PI / 180 );
+ affine_multiply( affine, matrix );
}
-static void affine_scale( float this[3][3], float sx, float sy )
+static void affine_scale( float affine[3][3], float sx, float sy )
{
- float affine[3][3];
- affine[0][0] = sx;
- affine[0][1] = 0;
- affine[0][2] = 0;
- affine[1][0] = 0;
- affine[1][1] = sy;
- affine[1][2] = 0;
- affine[2][0] = 0;
- affine[2][1] = 0;
- affine[2][2] = 1;
- affine_multiply( this, affine );
+ float matrix[3][3];
+ matrix[0][0] = sx;
+ matrix[0][1] = 0;
+ matrix[0][2] = 0;
+ matrix[1][0] = 0;
+ matrix[1][1] = sy;
+ matrix[1][2] = 0;
+ matrix[2][0] = 0;
+ matrix[2][1] = 0;
+ matrix[2][2] = 1;
+ affine_multiply( affine, matrix );
}
// Shear by a given value
-static void affine_shear( float this[3][3], float shear_x, float shear_y, float shear_z )
+static void affine_shear( float affine[3][3], float shear_x, float shear_y, float shear_z )
{
- float affine[3][3];
- affine[0][0] = 1;
- affine[0][1] = tan( shear_x * M_PI / 180 );
- affine[0][2] = 0;
- affine[1][0] = tan( shear_y * M_PI / 180 );
- affine[1][1] = 1;
- affine[1][2] = tan( shear_z * M_PI / 180 );
- affine[2][0] = 0;
- affine[2][1] = 0;
- affine[2][2] = 1;
- affine_multiply( this, affine );
+ float matrix[3][3];
+ matrix[0][0] = 1;
+ matrix[0][1] = tan( shear_x * M_PI / 180 );
+ matrix[0][2] = 0;
+ matrix[1][0] = tan( shear_y * M_PI / 180 );
+ matrix[1][1] = 1;
+ matrix[1][2] = tan( shear_z * M_PI / 180 );
+ matrix[2][0] = 0;
+ matrix[2][1] = 0;
+ matrix[2][2] = 1;
+ affine_multiply( affine, matrix );
}
-static void affine_offset( float this[3][3], float x, float y )
+static void affine_offset( float affine[3][3], float x, float y )
{
- this[0][2] += x;
- this[1][2] += y;
+ affine[0][2] += x;
+ affine[1][2] += y;
}
// Obtain the mapped x coordinate of the input
-static inline double MapX( float this[3][3], float x, float y )
+static inline double MapX( float affine[3][3], float x, float y )
{
- return this[0][0] * x + this[0][1] * y + this[0][2];
+ return affine[0][0] * x + affine[0][1] * y + affine[0][2];
}
// Obtain the mapped y coordinate of the input
-static inline double MapY( float this[3][3], float x, float y )
+static inline double MapY( float affine[3][3], float x, float y )
{
- return this[1][0] * x + this[1][1] * y + this[1][2];
+ return affine[1][0] * x + affine[1][1] * y + affine[1][2];
}
-static inline double MapZ( float this[3][3], float x, float y )
+static inline double MapZ( float affine[3][3], float x, float y )
{
- return this[2][0] * x + this[2][1] * y + this[2][2];
+ return affine[2][0] * x + affine[2][1] * y + affine[2][2];
}
#define MAX( x, y ) x > y ? x : y
#define MIN( x, y ) x < y ? x : y
-static void affine_max_output( float this[3][3], float *w, float *h, float dz, float max_width, float max_height )
+static void affine_max_output( float affine[3][3], float *w, float *h, float dz, float max_width, float max_height )
{
- int tlx = MapX( this, -max_width, max_height ) / dz;
- int tly = MapY( this, -max_width, max_height ) / dz;
- int trx = MapX( this, max_width, max_height ) / dz;
- int try = MapY( this, max_width, max_height ) / dz;
- int blx = MapX( this, -max_width, -max_height ) / dz;
- int bly = MapY( this, -max_width, -max_height ) / dz;
- int brx = MapX( this, max_width, -max_height ) / dz;
- int bry = MapY( this, max_width, -max_height ) / dz;
+ int tlx = MapX( affine, -max_width, max_height ) / dz;
+ int tly = MapY( affine, -max_width, max_height ) / dz;
+ int trx = MapX( affine, max_width, max_height ) / dz;
+ int try = MapY( affine, max_width, max_height ) / dz;
+ int blx = MapX( affine, -max_width, -max_height ) / dz;
+ int bly = MapY( affine, -max_width, -max_height ) / dz;
+ int brx = MapX( affine, max_width, -max_height ) / dz;
+ int bry = MapY( affine, max_width, -max_height ) / dz;
int max_x;
int max_y;
#define IN_RANGE( v, r ) ( v >= - r / 2 && v < r / 2 )
-static inline void get_affine( affine_t *affine, mlt_transition this, float position )
+static inline void get_affine( affine_t *affine, mlt_transition transition, float position )
{
- mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
+ mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
int keyed = mlt_properties_get_int( properties, "keyed" );
if ( keyed == 0 )
}
else
{
- float rotate_x = composite_calculate_key( this, "rotate_x", "rotate_x_info", 360, position );
- float rotate_y = composite_calculate_key( this, "rotate_y", "rotate_y_info", 360, position );
- float rotate_z = composite_calculate_key( this, "rotate_z", "rotate_z_info", 360, position );
- float shear_x = composite_calculate_key( this, "shear_x", "shear_x_info", 360, position );
- float shear_y = composite_calculate_key( this, "shear_y", "shear_y_info", 360, position );
- float shear_z = composite_calculate_key( this, "shear_z", "shear_z_info", 360, position );
-
+ float rotate_x = composite_calculate_key( transition, "rotate_x", "rotate_x_info", 360, position );
+ float rotate_y = composite_calculate_key( transition, "rotate_y", "rotate_y_info", 360, position );
+ float rotate_z = composite_calculate_key( transition, "rotate_z", "rotate_z_info", 360, position );
+ float shear_x = composite_calculate_key( transition, "shear_x", "shear_x_info", 360, position );
+ float shear_y = composite_calculate_key( transition, "shear_y", "shear_y_info", 360, position );
+ float shear_z = composite_calculate_key( transition, "shear_z", "shear_z_info", 360, position );
+ float o_x = composite_calculate_key( transition, "ox", "ox_info", 0, position );
+ float o_y = composite_calculate_key( transition, "oy", "oy_info", 0, position );
+
affine_rotate_x( affine->matrix, rotate_x );
affine_rotate_y( affine->matrix, rotate_y );
affine_rotate_z( affine->matrix, rotate_z );
affine_shear( affine->matrix, shear_x, shear_y, shear_z );
+ affine_offset( affine->matrix, o_x, o_y );
}
}
mlt_frame b_frame = mlt_frame_pop_frame( a_frame );
// Get the transition object
- mlt_transition this = mlt_frame_pop_service( a_frame );
+ mlt_transition transition = mlt_frame_pop_service( a_frame );
// Get the properties of the transition
- mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
+ mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
// Get the properties of the a frame
mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame );
int b_width;
int b_height;
- // Get the unique name to retrieve the frame position
- char *name = mlt_properties_get( properties, "_unique_id" );
+ // Assign the current position
+ mlt_position position = mlt_transition_get_position( transition, a_frame );
- // Assign the current position to the name
- mlt_position position = mlt_properties_get_position( a_props, name );
-
- mlt_properties props = mlt_properties_get_data( b_props, "_producer", NULL );
- int always_active = mlt_properties_get_int( properties, "always_active" );
-
- mlt_position in = !always_active ? mlt_properties_get_position( properties, "in" ) : mlt_properties_get_int( props, "in" );
- mlt_position out = !always_active ? mlt_properties_get_position( properties, "out" ) : mlt_properties_get_int( props, "out" );
int mirror = mlt_properties_get_position( properties, "mirror" );
- int length = out - in + 1;
+ int length = mlt_transition_get_length( transition );
+ if ( mlt_properties_get_int( properties, "always_active" ) )
+ {
+ mlt_properties props = mlt_properties_get_data( b_props, "_producer", NULL );
+ mlt_position in = mlt_properties_get_int( props, "in" );
+ mlt_position out = mlt_properties_get_int( props, "out" );
+ length = out - in + 1;
+ }
// Obtain the normalised width and height from the a_frame
- int normalised_width = mlt_properties_get_int( a_props, "normalised_width" );
- int normalised_height = mlt_properties_get_int( a_props, "normalised_height" );
+ mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( transition ) );
+ int normalised_width = profile->width;
+ int normalised_height = profile->height;
- double consumer_ar = mlt_properties_get_double( a_props, "consumer_aspect_ratio" );
+ double consumer_ar = mlt_profile_sar( mlt_service_profile( MLT_TRANSITION_SERVICE(transition) ) );
// Structures for geometry
struct mlt_geometry_item_s result;
mlt_frame_get_image( a_frame, image, format, width, height, 1 );
// Calculate the region now
- composite_calculate( this, &result, normalised_width, normalised_height, ( float )position );
+ mlt_service_lock( MLT_TRANSITION_SERVICE( transition ) );
+ composite_calculate( transition, &result, normalised_width, normalised_height, ( float )position );
+ mlt_service_unlock( MLT_TRANSITION_SERVICE( transition ) );
// Fetch the b frame image
result.w = ( result.w * *width / normalised_width );
result.y = ( result.y * *height / normalised_height );
// Request full resolution of b frame image.
- b_width = mlt_properties_get_int( b_props, "real_width" );
- b_height = mlt_properties_get_int( b_props, "real_height" );
+ b_width = mlt_properties_get_int( b_props, "meta.media.width" );
+ b_height = mlt_properties_get_int( b_props, "meta.media.height" );
mlt_properties_set_int( b_props, "rescale_width", b_width );
mlt_properties_set_int( b_props, "rescale_height", b_height );
// Suppress padding and aspect normalization.
- char *interps = mlt_properties_get( b_props, "rescale.interp" );
+ char *interps = mlt_properties_get( a_props, "rescale.interp" );
if ( interps )
interps = strdup( interps );
mlt_properties_set( b_props, "rescale.interp", "none" );
- if ( mlt_properties_get_double( b_props, "aspect_ratio" ) == 0.0 )
- mlt_properties_set_double( b_props, "aspect_ratio", consumer_ar );
// This is not a field-aware transform.
mlt_properties_set_int( b_props, "consumer_deinterlace", 1 );
float scale_x = mlt_properties_get_double( properties, "scale_x" );
float scale_y = mlt_properties_get_double( properties, "scale_y" );
int scale = mlt_properties_get_int( properties, "scale" );
+ int b_alpha = mlt_properties_get_int( properties, "b_alpha" );
float geom_scale_x = (float) b_width / result.w;
float geom_scale_y = (float) b_height / result.h;
float cx = result.x + result.w / 2.0;
affine_init( affine.matrix );
// Compute the affine transform
- get_affine( &affine, this, ( float )position );
+ get_affine( &affine, transition, ( float )position );
dz = MapZ( affine.matrix, 0, 0 );
if ( ( int )abs( dz * 1000 ) < 25 )
{
{
scale_x = geom_scale_x * ( scale_x == 0 ? 1 : scale_x );
scale_y = geom_scale_x * ( scale_y == 0 ? 1 : scale_y );
+ scale_y *= b_ar / consumer_ar;
}
else
{
scale_x = geom_scale_y * ( scale_x == 0 ? 1 : scale_x );
scale_y = geom_scale_y * ( scale_y == 0 ? 1 : scale_y );
+ scale_x *= consumer_ar / b_ar;
}
- scale_x *= consumer_ar / b_ar;
}
if ( scale )
{
dx = MapX( affine.matrix, x, y ) / dz + x_offset;
dy = MapY( affine.matrix, x, y ) / dz + y_offset;
if ( dx >= 0 && dx < (b_width - 1) && dy >=0 && dy < (b_height - 1) )
- interp( b_image, b_width, b_height, dx, dy, result.mix/100.0, p );
+ interp( b_image, b_width, b_height, dx, dy, result.mix/100.0, p, b_alpha );
p += 4;
}
}
static mlt_frame transition_process( mlt_transition transition, mlt_frame a_frame, mlt_frame b_frame )
{
- // Get a unique name to store the frame position
- char *name = mlt_properties_get( MLT_TRANSITION_PROPERTIES( transition ), "_unique_id" );
-
- // Assign the current position to the name
- mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame );
- mlt_properties_set_position( a_props, name, mlt_frame_get_position( a_frame ) - mlt_transition_get_in( transition ) );
-
// Push the transition on to the frame
mlt_frame_push_service( a_frame, transition );
if ( transition != NULL )
{
mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "distort", 0 );
- mlt_properties_set( MLT_TRANSITION_PROPERTIES( transition ), "geometry", "0,0:100%x100%" );
+ mlt_properties_set( MLT_TRANSITION_PROPERTIES( transition ), "geometry", "0/0:100%x100%" );
// Inform apps and framework that this is a video only transition
mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "_transition_type", 1 );
transition->process = transition_process;