X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ftransition_luma.c;h=224511f7de467a6599beb9723936bcf050619786;hb=facc6328e46eb0c973c6293390a14258abf071d4;hp=66cd4258222386d59981a1e87ea249b7ddbea42c;hpb=edfb53ebb1ce5b141e34b7feb7df7448cbc5be96;p=mlt diff --git a/src/modules/core/transition_luma.c b/src/modules/core/transition_luma.c index 66cd4258..224511f7 100644 --- a/src/modules/core/transition_luma.c +++ b/src/modules/core/transition_luma.c @@ -3,22 +3,24 @@ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Dan Dennedy * - * 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. + * Adapted from Kino Plugin Timfx, which is + * Copyright (C) 2002 Timothy M. Shead * - * This program is distributed in the hope that it will be useful, + * 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 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 "transition_luma.h" #include #include @@ -26,65 +28,37 @@ #include #include #include - -/** Calculate the position for this frame. -*/ - -static float position_calculate( mlt_transition this, mlt_frame frame ) -{ - // Get the in and out position - mlt_position in = mlt_transition_get_in( this ); - mlt_position out = mlt_transition_get_out( this ); - - // Get the position of the frame - char *name = mlt_properties_get( mlt_transition_properties( this ), "_unique_id" ); - mlt_position position = mlt_properties_get_position( mlt_frame_properties( frame ), name ); - - // Now do the calcs - return ( float )( position - in ) / ( float )( out - in + 1 ); -} - -/** Calculate the field delta for this frame - position between two frames. -*/ - -static float delta_calculate( mlt_transition this, mlt_frame frame ) -{ - // Get the in and out position - mlt_position in = mlt_transition_get_in( this ); - mlt_position out = mlt_transition_get_out( this ); - - // Get the position of the frame - mlt_position position = mlt_frame_get_position( frame ); - - // Now do the calcs - float x = ( float )( position - in ) / ( float )( out - in + 1 ); - float y = ( float )( position + 1 - in ) / ( float )( out - in + 1 ); - - return ( y - x ) / 2.0; -} +#include "transition_composite.h" static inline int dissolve_yuv( mlt_frame this, mlt_frame that, float weight, int width, int height ) { int ret = 0; + int i = height + 1; int width_src = width, height_src = height; mlt_image_format format = mlt_image_yuv422; uint8_t *p_src, *p_dest; - uint8_t *p; - uint8_t *limit; - - int32_t weigh = weight * ( 1 << 16 ); - int32_t weigh_complement = ( 1 - weight ) * ( 1 << 16 ); + uint8_t *alpha_src; + uint8_t *alpha_dst; + int mix = weight * ( 1 << 16 ); + if ( mlt_properties_get( &this->parent, "distort" ) ) + mlt_properties_set( &that->parent, "distort", mlt_properties_get( &this->parent, "distort" ) ); mlt_frame_get_image( this, &p_dest, &format, &width, &height, 1 ); + alpha_dst = mlt_frame_get_alpha_mask( this ); mlt_frame_get_image( that, &p_src, &format, &width_src, &height_src, 0 ); + alpha_src = mlt_frame_get_alpha_mask( that ); - p = p_dest; - limit = p_dest + height_src * width_src * 2; + // Pick the lesser of two evils ;-) + width_src = width_src > width ? width : width_src; + height_src = height_src > height ? height : height_src; - while ( p < limit ) + while ( --i ) { - *p_dest++ = ( *p_src++ * weigh + *p++ * weigh_complement ) >> 16; - *p_dest++ = ( *p_src++ * weigh + *p++ * weigh_complement ) >> 16; + composite_line_yuv( p_dest, p_src, width_src, alpha_src, alpha_dst, mix, NULL, 0, 0 ); + p_src += width_src << 1; + p_dest += width << 1; + alpha_src += width_src; + alpha_dst += width; } return ret; @@ -92,7 +66,7 @@ static inline int dissolve_yuv( mlt_frame this, mlt_frame that, float weight, in // image processing functions -static inline uint32_t smoothstep( int32_t edge1, int32_t edge2, uint32_t a ) +static inline int32_t smoothstep( int32_t edge1, int32_t edge2, uint32_t a ) { if ( a < edge1 ) return 0; @@ -122,12 +96,18 @@ static void luma_composite( mlt_frame a_frame, mlt_frame b_frame, int luma_width int stride_dest; uint16_t weight = 0; - format_src = mlt_image_yuv422; - format_dest = mlt_image_yuv422; - + if ( mlt_properties_get( &a_frame->parent, "distort" ) ) + mlt_properties_set( &b_frame->parent, "distort", mlt_properties_get( &a_frame->parent, "distort" ) ); mlt_frame_get_image( a_frame, &p_dest, &format_dest, &width_dest, &height_dest, 1 ); mlt_frame_get_image( b_frame, &p_src, &format_src, &width_src, &height_src, 0 ); + if ( *width == 0 || *height == 0 ) + return; + + // Pick the lesser of two evils ;-) + width_src = width_src > width_dest ? width_dest : width_src; + height_src = height_src > height_dest ? height_dest : height_src; + stride_src = width_src * 2; stride_dest = width_dest * 2; @@ -152,10 +132,9 @@ static void luma_composite( mlt_frame a_frame, mlt_frame b_frame, int luma_width int32_t i_softness = softness * ( 1 << 16 ); - int field_count = field_order <= 0 ? 1 : 2; + int field_count = field_order < 0 ? 1 : 2; int field_stride_src = field_count * stride_src; int field_stride_dest = field_count * stride_dest; - int field = 0; // composite using luma map @@ -163,7 +142,7 @@ static void luma_composite( mlt_frame a_frame, mlt_frame b_frame, int luma_width { p_row = p_src + field * stride_src; q_row = p_dest + field * stride_dest; - y_offset = ( field * luma_width ) << 16; + y_offset = field << 16; i = field; while ( i < height_src ) @@ -312,6 +291,7 @@ static void luma_read_pgm( FILE *f, uint16_t **map, int *width, int *height ) static void luma_read_yuv422( uint8_t *image, uint16_t **map, int width, int height ) { int i; + int size = width * height * 2; // allocate the luma bitmap uint16_t *p = *map = ( uint16_t* )mlt_pool_alloc( width * height * sizeof( uint16_t ) ); @@ -319,53 +299,75 @@ static void luma_read_yuv422( uint8_t *image, uint16_t **map, int width, int hei return; // proces the image data into the luma bitmap - for ( i = 0; i < width * height * 2; i += 2 ) + for ( i = 0; i < size; i += 2 ) *p++ = ( image[ i ] - 16 ) * 299; // 299 = 65535 / 219 } -/** Generate a luma map from a YUV image. -*/ -static void luma_read_rgb24( uint8_t *image, uint16_t **map, int width, int height ) -{ -} - /** Get the image. */ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { + // Get the b frame from the stack + mlt_frame b_frame = mlt_frame_pop_frame( a_frame ); + // Get the transition object mlt_transition transition = mlt_frame_pop_service( a_frame ); // Get the properties of the transition - mlt_properties properties = mlt_transition_properties( transition ); + mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition ); // Get the properties of the a frame - mlt_properties a_props = mlt_frame_properties( a_frame ); - - // Get the b frame from the stack - mlt_frame b_frame = mlt_frame_pop_frame( a_frame ); + mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame ); // Get the properties of the b frame - mlt_properties b_props = mlt_frame_properties( b_frame ); + mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame ); + + // This compositer is yuv422 only + *format = mlt_image_yuv422; + + mlt_service_lock( MLT_TRANSITION_SERVICE( transition ) ); // The cached luma map information int luma_width = mlt_properties_get_int( properties, "width" ); int luma_height = mlt_properties_get_int( properties, "height" ); uint16_t *luma_bitmap = mlt_properties_get_data( properties, "bitmap", NULL ); + char *current_resource = mlt_properties_get( properties, "_resource" ); // If the filename property changed, reload the map char *resource = mlt_properties_get( properties, "resource" ); - if ( luma_bitmap == NULL && resource != NULL ) + // Correct width/height if not specified + if ( luma_width == 0 || luma_height == 0 ) + { + luma_width = *width; + luma_height = *height; + } + + if ( resource && ( !current_resource || strcmp( resource, current_resource ) ) ) { - char *extension = extension = strrchr( resource, '.' ); + char temp[ 512 ]; + char *extension = strrchr( resource, '.' ); + char *orig_resource = resource; + + if ( strchr( resource, '%' ) ) + { + FILE *test; + sprintf( temp, "%s/lumas/%s/%s", mlt_environment( "MLT_DATA" ), mlt_environment( "MLT_NORMALISATION" ), strchr( resource, '%' ) + 1 ); + test = fopen( temp, "r" ); + if ( test == NULL ) + strcat( temp, ".png" ); + else + fclose( test ); + resource = temp; + extension = strrchr( resource, '.' ); + } // See if it is a PGM if ( extension != NULL && strcmp( extension, ".pgm" ) == 0 ) { // Open PGM - FILE *f = fopen( resource, "r" ); + FILE *f = fopen( resource, "rb" ); if ( f != NULL ) { // Load from PGM @@ -375,22 +377,30 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f // Set the transition properties mlt_properties_set_int( properties, "width", luma_width ); mlt_properties_set_int( properties, "height", luma_height ); + mlt_properties_set( properties, "_resource", orig_resource ); mlt_properties_set_data( properties, "bitmap", luma_bitmap, luma_width * luma_height * 2, mlt_pool_release, NULL ); } } + else if (!*resource) + { + luma_bitmap = NULL; + mlt_properties_set( properties, "_resource", NULL ); + mlt_properties_set_data( properties, "bitmap", luma_bitmap, 0, mlt_pool_release, NULL ); + } else { // Get the factory producer service char *factory = mlt_properties_get( properties, "factory" ); // Create the producer - mlt_producer producer = mlt_factory_producer( factory, resource ); + mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( transition ) ); + mlt_producer producer = mlt_factory_producer( profile, factory, resource ); // If we have one if ( producer != NULL ) { // Get the producer properties - mlt_properties producer_properties = mlt_producer_properties( producer ); + mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer ); // Ensure that we loop mlt_properties_set( producer_properties, "eof", "loop" ); @@ -402,29 +412,23 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f mlt_frame luma_frame = NULL; // Get the luma frame - if ( mlt_service_get_frame( mlt_producer_service( producer ), &luma_frame, 0 ) == 0 ) + if ( mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &luma_frame, 0 ) == 0 ) { - uint8_t *luma_image; + uint8_t *luma_image = NULL; mlt_image_format luma_format = mlt_image_yuv422; - // Request a luma image the size of transition image request - luma_width = *width; - luma_height = *height; - // Get image from the luma producer - mlt_properties_set( mlt_frame_properties( luma_frame ), "distort", "true" ); + mlt_properties_set( MLT_FRAME_PROPERTIES( luma_frame ), "rescale.interp", "nearest" ); mlt_frame_get_image( luma_frame, &luma_image, &luma_format, &luma_width, &luma_height, 0 ); // Generate the luma map - if ( luma_image != NULL && luma_format == mlt_image_yuv422 ) + if ( luma_image != NULL ) luma_read_yuv422( luma_image, &luma_bitmap, luma_width, luma_height ); - - else if ( luma_image != NULL && luma_format == mlt_image_rgb24 ) - luma_read_rgb24( luma_image, &luma_bitmap, luma_width, luma_height ); // Set the transition properties mlt_properties_set_int( properties, "width", luma_width ); mlt_properties_set_int( properties, "height", luma_height ); + mlt_properties_set( properties, "_resource", orig_resource); mlt_properties_set_data( properties, "bitmap", luma_bitmap, luma_width * luma_height * 2, mlt_pool_release, NULL ); // Cleanup the luma frame @@ -438,43 +442,47 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f } // Arbitrary composite defaults - float mix = position_calculate( transition, a_frame ); - float frame_delta = delta_calculate( transition, a_frame ); - + float mix = mlt_transition_get_progress( transition, a_frame ); + float frame_delta = mlt_transition_get_progress_delta( transition, a_frame ); float luma_softness = mlt_properties_get_double( properties, "softness" ); - int progressive = mlt_properties_get_int( b_props, "progressive" ) || - mlt_properties_get_int( a_props, "consumer_progressive" ) || + int progressive = + mlt_properties_get_int( a_props, "consumer_deinterlace" ) || + mlt_properties_get_int( properties, "progressive" ) || mlt_properties_get_int( b_props, "luma.progressive" ); int top_field_first = mlt_properties_get_int( b_props, "top_field_first" ); int reverse = mlt_properties_get_int( properties, "reverse" ); - - // Since we are the consumer of the b_frame, we must pass along this - // consumer property from the a_frame - mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) ); - mlt_properties_set_double( b_props, "consumer_scale", mlt_properties_get_double( a_props, "consumer_scale" ) ); + int invert = mlt_properties_get_int( properties, "invert" ); // Honour the reverse here if ( mix >= 1.0 ) mix -= floor( mix ); - mix = reverse ? 1 - mix : mix; - frame_delta *= reverse ? -1.0 : 1.0; - - // Ensure we get scaling on the b_frame - mlt_properties_set( b_props, "rescale.interp", "nearest" ); + if ( mlt_properties_get( properties, "fixed" ) ) + mix = mlt_properties_get_double( properties, "fixed" ); if ( luma_width > 0 && luma_height > 0 && luma_bitmap != NULL ) + { + reverse = invert ? !reverse : reverse; + mix = reverse ? 1 - mix : mix; + frame_delta *= reverse ? -1.0 : 1.0; // Composite the frames using a luma map - luma_composite( a_frame, b_frame, luma_width, luma_height, luma_bitmap, mix, frame_delta, + luma_composite( !invert ? a_frame : b_frame, !invert ? b_frame : a_frame, luma_width, luma_height, luma_bitmap, mix, frame_delta, luma_softness, progressive ? -1 : top_field_first, width, height ); + } else + { + mix = ( reverse || invert ) ? 1 - mix : mix; + invert = 0; // Dissolve the frames using the time offset for mix value dissolve_yuv( a_frame, b_frame, mix, *width, *height ); + } + + mlt_service_unlock( MLT_TRANSITION_SERVICE( transition ) ); // Extract the a_frame image info - *width = mlt_properties_get_int( a_props, "width" ); - *height = mlt_properties_get_int( a_props, "height" ); - *image = mlt_properties_get_data( a_props, "image", NULL ); + *width = mlt_properties_get_int( !invert ? a_props : b_props, "width" ); + *height = mlt_properties_get_int( !invert ? a_props : b_props, "height" ); + *image = mlt_properties_get_data( !invert ? a_props : b_props, "image", NULL ); return 0; } @@ -485,28 +493,22 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f 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_set_position( mlt_frame_properties( a_frame ), name, mlt_frame_get_position( a_frame ) ); - // Push the transition on to the frame mlt_frame_push_service( a_frame, transition ); - // Push the transition method - mlt_frame_push_get_image( a_frame, transition_get_image ); - // Push the b_frame on to the stack mlt_frame_push_frame( a_frame, b_frame ); + // Push the transition method + mlt_frame_push_get_image( a_frame, transition_get_image ); + return a_frame; } /** Constructor for the filter. */ -mlt_transition transition_luma_init( char *lumafile ) +mlt_transition transition_luma_init( mlt_profile profile, mlt_service_type type, const char *id, char *lumafile ) { mlt_transition transition = mlt_transition_new( ); if ( transition != NULL ) @@ -515,11 +517,14 @@ mlt_transition transition_luma_init( char *lumafile ) transition->process = transition_process; // Default factory - mlt_properties_set( mlt_transition_properties( transition ), "factory", "fezzik" ); + mlt_properties_set( MLT_TRANSITION_PROPERTIES( transition ), "factory", mlt_environment( "MLT_PRODUCER" ) ); // Set the main property - mlt_properties_set( mlt_transition_properties( transition ), "resource", lumafile ); + mlt_properties_set( MLT_TRANSITION_PROPERTIES( transition ), "resource", lumafile ); + // Inform apps and framework that this is a video only transition + mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "_transition_type", 1 ); + return transition; } return NULL;