diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst/videoscale/vs_4tap.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst/videoscale/vs_4tap.h Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,44 @@ +/* + * Image Scaling Functions (4 tap) + * Copyright (c) 2005 David A. Schleef + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _VS_4TAP_H_ +#define _VS_4TAP_H_ + +#include "vs_image.h" + +#include + +void vs_4tap_init (void); +void vs_scanline_resample_4tap_Y (uint8_t *dest, uint8_t *src, + int n, int src_width, int *xacc, int increment); +void vs_scanline_merge_4tap_Y (uint8_t *dest, uint8_t *src1, uint8_t *src2, + uint8_t *src3, uint8_t *src4, int n, int acc); +void vs_image_scale_4tap_Y (const VSImage * dest, const VSImage * src, + uint8_t * tmpbuf); + +#endif +