• Deb Mukherjee's avatar
    Multiple resize filters · 1a8394f7
    Deb Mukherjee authored
    Adds multiple filters in the 0.5-1.0 range in the last stage
    of the resize functions to prevent over-smoothing/aliasing
    
    Change-Id: I1a615adb16f0df5095790945c94b28b4d6a6fc48
    1a8394f7
vp9_resize.h 2.52 KiB
/*
 *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */
#ifndef VP9_ENCODER_VP9_RESIZE_H_
#define VP9_ENCODER_VP9_RESIZE_H_
#include <stdio.h>
#include "vpx/vpx_integer.h"
void vp9_resize_plane(const uint8_t *const input,
                      int height,
                      int width,
                      int in_stride,
                      uint8_t *output,
                      int height2,
                      int width2,
                      int out_stride);
void vp9_resize_frame420(const uint8_t *const y,
                         int y_stride,
                         const uint8_t *const u,
                         const uint8_t *const v,
                         int uv_stride,
                         int height,
                         int width,
                         uint8_t *oy,
                         int oy_stride,
                         uint8_t *ou,
                         uint8_t *ov,
                         int ouv_stride,
                         int oheight,
                         int owidth);
void vp9_resize_frame422(const uint8_t *const y,
                         int y_stride,
                         const uint8_t *const u,
                         const uint8_t *const v,
                         int uv_stride,
                         int height,
                         int width,
                         uint8_t *oy,
                         int oy_stride,
                         uint8_t *ou,
                         uint8_t *ov,
                         int ouv_stride,
                         int oheight,
                         int owidth);
void vp9_resize_frame444(const uint8_t *const y,
                         int y_stride,
                         const uint8_t *const u,
                         const uint8_t *const v,
                         int uv_stride,
                         int height,
                         int width,
                         uint8_t *oy,
                         int oy_stride,
                         uint8_t *ou,
                         uint8_t *ov,
                         int ouv_stride,
                         int oheight,
                         int owidth);
#endif    // VP9_ENCODER_VP9_RESIZE_H_