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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_AV1_COMMON_RESIZE_H_
#define AOM_AV1_COMMON_RESIZE_H_
#include <stdio.h>
#include "aom/aom_integer.h"
#include "av1/common/onyxc_int.h"
#ifdef __cplusplus
extern "C" {
#endif
void av1_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 av1_upscale_plane_double_prec(const double *const input, int height,
int width, int in_stride, double *output,
int height2, int width2, int out_stride);
void av1_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 av1_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 av1_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);
void av1_highbd_resize_plane(const uint8_t *const input, int height, int width,
int in_stride, uint8_t *output, int height2,
int width2, int out_stride, int bd);
void av1_highbd_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, int bd);
void av1_highbd_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, int bd);
void av1_highbd_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, int bd);
void av1_resize_and_extend_frame(const YV12_BUFFER_CONFIG *src,
YV12_BUFFER_CONFIG *dst, int bd,
const int num_planes);
void av1_upscale_normative_rows(const AV1_COMMON *cm, const uint8_t *src,
int src_stride, uint8_t *dst, int dst_stride,
int plane, int rows);
void av1_upscale_normative_and_extend_frame(const AV1_COMMON *cm,
const YV12_BUFFER_CONFIG *src,
YV12_BUFFER_CONFIG *dst);
YV12_BUFFER_CONFIG *av1_scale_if_required(AV1_COMMON *cm,
YV12_BUFFER_CONFIG *unscaled,
YV12_BUFFER_CONFIG *scaled);
// Calculates the scaled dimensions from the given original dimensions and the
// resize scale denominator.
void av1_calculate_scaled_size(int *width, int *height, int resize_denom);
// Similar to above, but calculates scaled dimensions after superres from the
// given original dimensions and superres scale denominator.
void av1_calculate_scaled_superres_size(int *width, int *height,
int superres_denom);
// Inverse of av1_calculate_scaled_superres_size() above: calculates the
// original dimensions from the given scaled dimensions and the scale
// denominator.
void av1_calculate_unscaled_superres_size(int *width, int *height, int denom);
void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool);
// Returns 1 if a superres upscaled frame is scaled and 0 otherwise.
static INLINE int av1_superres_scaled(const AV1_COMMON *cm) {
// Note: for some corner cases (e.g. cm->width of 1), there may be no scaling
// required even though cm->superres_scale_denominator != SCALE_NUMERATOR.
// So, the following check is more accurate.
return !(cm->width == cm->superres_upscaled_width);
}
static INLINE int av1_coded_to_superres_mi(int mi_col, int denom) {
const int mi_col_sr =
(mi_col * denom + SCALE_NUMERATOR / 2) / SCALE_NUMERATOR;
return mi_col_sr;
}
#define UPSCALE_NORMATIVE_TAPS 8
extern const int16_t av1_resize_filter_normative[1 << RS_SUBPEL_BITS]
[UPSCALE_NORMATIVE_TAPS];
int32_t av1_get_upscale_convolve_step(int in_length, int out_length);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_COMMON_RESIZE_H_