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Import aom library

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This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
This commit is contained in:
trav90 2018-10-15 21:45:30 -05:00 • committed by Roy Tam
commit edc8d83307
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119
third_party/aom/av1/common/convolve.h vendored Normal file
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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 AV1_COMMON_AV1_CONVOLVE_H_
#define AV1_COMMON_AV1_CONVOLVE_H_
#include "av1/common/filter.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum CONVOLVE_OPT {
// indicate the results in dst buf is rounded by FILTER_BITS or not
CONVOLVE_OPT_ROUND,
CONVOLVE_OPT_NO_ROUND,
} CONVOLVE_OPT;
typedef int32_t CONV_BUF_TYPE;
typedef struct ConvolveParams {
int ref;
CONVOLVE_OPT round;
CONV_BUF_TYPE *dst;
int dst_stride;
int round_0;
int round_1;
int plane;
} ConvolveParams;
static INLINE ConvolveParams get_conv_params(int ref, int plane) {
ConvolveParams conv_params;
conv_params.ref = ref;
conv_params.round = CONVOLVE_OPT_ROUND;
conv_params.plane = plane;
return conv_params;
}
struct AV1Common;
void av1_convolve_init(struct AV1Common *cm);
#if CONFIG_CONVOLVE_ROUND
void av1_convolve_2d(const uint8_t *src, int src_stride, CONV_BUF_TYPE *dst,
int dst_stride, int w, int h,
InterpFilterParams *filter_params_x,
InterpFilterParams *filter_params_y, const int subpel_x_q4,
const int subpel_y_q4, ConvolveParams *conv_params);
void av1_convolve_2d_facade(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
const InterpFilter *interp_filter,
const int subpel_x_q4, int x_step_q4,
const int subpel_y_q4, int y_step_q4,
ConvolveParams *conv_params);
static INLINE ConvolveParams get_conv_params_no_round(int ref, int plane,
int32_t *dst,
int dst_stride) {
ConvolveParams conv_params;
conv_params.ref = ref;
conv_params.round = CONVOLVE_OPT_NO_ROUND;
#if CONFIG_COMPOUND_ROUND
conv_params.round_0 = FILTER_BITS;
#else
conv_params.round_0 = 5;
#endif
conv_params.round_1 = 0;
conv_params.dst = dst;
conv_params.dst_stride = dst_stride;
conv_params.plane = plane;
return conv_params;
}
void av1_convolve_rounding(const int32_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h, int bits);
#endif // CONFIG_CONVOLVE_ROUND
void av1_convolve(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
#if CONFIG_DUAL_FILTER
const InterpFilter *interp_filter,
#else
const InterpFilter interp_filter,
#endif
const int subpel_x, int xstep, const int subpel_y, int ystep,
ConvolveParams *conv_params);
void av1_convolve_c(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
#if CONFIG_DUAL_FILTER
const InterpFilter *interp_filter,
#else
const InterpFilter interp_filter,
#endif
const int subpel_x, int xstep, const int subpel_y,
int ystep, ConvolveParams *conv_params);
#if CONFIG_HIGHBITDEPTH
void av1_highbd_convolve(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, int w, int h,
#if CONFIG_DUAL_FILTER
const InterpFilter *interp_filter,
#else
const InterpFilter interp_filter,
#endif
const int subpel_x, int xstep, const int subpel_y,
int ystep, int avg, int bd);
#endif // CONFIG_HIGHBITDEPTH
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AV1_COMMON_AV1_CONVOLVE_H_