X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ffilter_mirror.c;h=a9678914f33858b8c6717e120f91422abbe87562;hb=ea7de8e09c8506b4081450669f835a627a02ec09;hp=e007ac2a06818758c152b3a0e97ece1afafe5eb9;hpb=a038d8a6f14b30dd52242d2f69601e6393e44475;p=melted diff --git a/src/modules/core/filter_mirror.c b/src/modules/core/filter_mirror.c index e007ac2..a967891 100644 --- a/src/modules/core/filter_mirror.c +++ b/src/modules/core/filter_mirror.c @@ -35,7 +35,7 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format mlt_filter this = mlt_frame_pop_service( frame ); // Get the mirror type - mlt_properties properties = mlt_filter_properties( this ); + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); // Get the properties char *mirror = mlt_properties_get( properties, "mirror" ); @@ -46,6 +46,9 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format // Get the image int error = mlt_frame_get_image( frame, image, format, width, height, 1 ); + // Get the alpha + uint8_t *alpha = mlt_frame_get_alpha_mask( frame ); + // If we have an image of the right colour space if ( error == 0 && *format == mlt_image_yuv422 ) { @@ -56,31 +59,39 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format { uint8_t *p = NULL; uint8_t *q = NULL; + uint8_t *a = NULL; + uint8_t *b = NULL; int i; for ( i = 0; i < *height; i ++ ) { p = ( uint8_t * )*image + i * *width * 2; q = p + *width * 2; + a = alpha + i * *width; + b = a + *width - 1; if ( !reverse ) { - while ( p != q ) + while ( p < q ) { *p ++ = *( q - 2 ); *p ++ = *( q - 3 ); *p ++ = *( q - 4 ); *p ++ = *( q - 1 ); q -= 4; + *a ++ = *b --; + *a ++ = *b --; } } else { - while ( p != q ) + while ( p < q ) { *( q - 2 ) = *p ++; *( q - 3 ) = *p ++; *( q - 4 ) = *p ++; *( q - 1 ) = *p ++; q -= 4; + *b -- = *a ++; + *b -- = *a ++; } } } @@ -90,22 +101,32 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format uint16_t *end = ( uint16_t *)*image + *width * *height; uint16_t *p = NULL; uint16_t *q = NULL; + uint8_t *a = NULL; + uint8_t *b = NULL; int i; int j; for ( i = 0; i < hh; i ++ ) { p = ( uint16_t * )*image + i * *width; - q = end - i * *width; + q = end - ( i + 1 ) * *width; j = *width; + a = alpha + i * *width; + b = alpha + ( *height - i - 1 ) * *width; if ( !reverse ) { while ( j -- ) + { *p ++ = *q ++; + *a ++ = *b ++; + } } else { while ( j -- ) + { *q ++ = *p ++; + *b ++ = *a ++; + } } } } @@ -114,6 +135,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format uint8_t *end = ( uint8_t *)*image + *width * *height * 2; uint8_t *p = NULL; uint8_t *q = NULL; + uint8_t *a = NULL; + uint8_t *b = NULL; int i; int j; for ( i = 0; i < *height; i ++ ) @@ -121,6 +144,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format p = ( uint8_t * )*image + i * *width * 2; q = end - i * *width * 2; j = ( ( *width * ( *height - i ) ) / *height ) / 2; + a = alpha + i * *width; + b = alpha + ( *height - i - 1 ) * *width; if ( !reverse ) { while ( j -- ) @@ -130,6 +155,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *p ++ = *( q - 4 ); *p ++ = *( q - 1 ); q -= 4; + *a ++ = *b --; + *a ++ = *b --; } } else @@ -141,6 +168,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *( q - 4 ) = *p ++; *( q - 1 ) = *p ++; q -= 4; + *b -- = *a ++; + *b -- = *a ++; } } } @@ -152,11 +181,15 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format uint8_t *q = NULL; int i; int j; + uint8_t *a = NULL; + uint8_t *b = NULL; for ( i = 0; i < *height; i ++ ) { p = ( uint8_t * )*image + ( i + 1 ) * *width * 2; q = end - ( i + 1 ) * *width * 2; j = ( ( *width * ( *height - i ) ) / *height ) / 2; + a = alpha + ( i + 1 ) * *width - 1; + b = alpha + ( *height - i - 1 ) * *width; if ( !reverse ) { while ( j -- ) @@ -166,6 +199,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *q ++ = *( p - 4 ); *q ++ = *( p - 1 ); p -= 4; + *b ++ = *a --; + *b ++ = *a --; } } else @@ -177,6 +212,8 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *( p - 4 ) = *q ++; *( p - 1 ) = *q ++; p -= 4; + *a -- = *b ++; + *a -- = *b ++; } } } @@ -187,11 +224,16 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format uint8_t *p = NULL; uint8_t *q = NULL; int i; + uint8_t *a = NULL; + uint8_t *b = NULL; + uint8_t c; for ( i = 0; i < *height; i ++ ) { p = ( uint8_t * )*image + i * *width * 2; q = p + *width * 2; - while ( p != q ) + a = alpha + i * *width; + b = a + *width - 1; + while ( p < q ) { t[ 0 ] = p[ 0 ]; t[ 1 ] = p[ 1 ]; @@ -205,6 +247,12 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *( -- q ) = t[ 0 ]; *( -- q ) = t[ 1 ]; *( -- q ) = t[ 2 ]; + c = *a; + *a ++ = *b; + *b -- = c; + c = *a; + *a ++ = *b; + *b -- = c; } } } @@ -214,18 +262,26 @@ static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format uint16_t *p = NULL; uint16_t *q = NULL; uint16_t t; + uint8_t *a = NULL; + uint8_t *b = NULL; + uint8_t c; int i; int j; for ( i = 0; i < hh; i ++ ) { p = ( uint16_t * )*image + i * *width; - q = end - i * *width; + q = end - ( i + 1 ) * *width; + a = alpha + i * *width; + b = alpha + ( *height - i - 1 ) * *width; j = *width; while ( j -- ) { t = *p; *p ++ = *q; *q ++ = t; + c = *a; + *a ++ = *b; + *b ++ = c; } } } @@ -261,7 +317,7 @@ mlt_filter filter_mirror_init( void *arg ) if ( this != NULL ) { // Get the properties - mlt_properties properties = mlt_filter_properties( this ); + mlt_properties properties = MLT_FILTER_PROPERTIES( this ); // Set the default mirror type mlt_properties_set_or_default( properties, "mirror", arg, "horizontal" );