124 строки
4.9 KiB
C
124 строки
4.9 KiB
C
/*
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* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VPX_DSP_VARIANCE_H_
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#define VPX_DSP_VARIANCE_H_
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FILTER_BITS 7
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#define FILTER_WEIGHT 128
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typedef unsigned int (*vpx_sad_fn_t)(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride);
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typedef unsigned int (*vpx_sad_avg_fn_t)(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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const uint8_t *second_pred);
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typedef void (*vp8_copy32xn_fn_t)(const uint8_t *a, int a_stride, uint8_t *b,
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int b_stride, int n);
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typedef void (*vpx_sad_multi_fn_t)(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sad_array);
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typedef void (*vpx_sad_multi_d_fn_t)(const uint8_t *a, int a_stride,
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const uint8_t *const b_array[],
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int b_stride, unsigned int *sad_array);
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typedef unsigned int (*vpx_variance_fn_t)(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse);
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typedef unsigned int (*vpx_subpixvariance_fn_t)(const uint8_t *a, int a_stride,
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int xoffset, int yoffset,
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const uint8_t *b, int b_stride,
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unsigned int *sse);
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typedef unsigned int (*vpx_subp_avg_variance_fn_t)(
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const uint8_t *a, int a_stride, int xoffset, int yoffset, const uint8_t *b,
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int b_stride, unsigned int *sse, const uint8_t *second_pred);
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#if CONFIG_VP10 && CONFIG_EXT_INTER
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typedef unsigned int (*vpx_masked_sad_fn_t)(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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const uint8_t *msk_ptr,
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int msk_stride);
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typedef unsigned int (*vpx_masked_variance_fn_t)(
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const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride,
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const uint8_t *msk, int msk_stride, unsigned int *sse);
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typedef unsigned int (*vpx_masked_subpixvariance_fn_t)(
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const uint8_t *src, int src_stride, int xoffset, int yoffset,
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const uint8_t *ref, int ref_stride, const uint8_t *msk, int msk_stride,
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unsigned int *sse);
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#endif // CONFIG_VP10 && CONFIG_EXT_INTER
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#if CONFIG_VP10 && CONFIG_OBMC
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typedef unsigned int (*vpx_obmc_sad_fn_t)(const uint8_t *pred, int pred_stride,
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const int32_t *wsrc,
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const int32_t *msk);
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typedef unsigned int (*vpx_obmc_variance_fn_t)(const uint8_t *pred,
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int pred_stride,
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const int32_t *wsrc,
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const int32_t *msk,
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unsigned int *sse);
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typedef unsigned int (*vpx_obmc_subpixvariance_fn_t)(
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const uint8_t *pred, int pred_stride, int xoffset, int yoffset,
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const int32_t *wsrc, const int32_t *msk, unsigned int *sse);
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#endif // CONFIG_VP10 && CONFIG_OBMC
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#if CONFIG_VP10
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typedef struct vpx_variance_vtable {
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vpx_sad_fn_t sdf;
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vpx_sad_avg_fn_t sdaf;
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vpx_variance_fn_t vf;
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vpx_subpixvariance_fn_t svf;
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vpx_subp_avg_variance_fn_t svaf;
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vpx_sad_multi_fn_t sdx3f;
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vpx_sad_multi_fn_t sdx8f;
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vpx_sad_multi_d_fn_t sdx4df;
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#if CONFIG_EXT_INTER
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vpx_masked_sad_fn_t msdf;
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vpx_masked_variance_fn_t mvf;
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vpx_masked_subpixvariance_fn_t msvf;
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#endif // CONFIG_EXT_INTER
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#if CONFIG_OBMC
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vpx_obmc_sad_fn_t osdf;
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vpx_obmc_variance_fn_t ovf;
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vpx_obmc_subpixvariance_fn_t osvf;
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#endif // CONFIG_OBMC
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} vpx_variance_fn_ptr_t;
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#endif // CONFIG_VP10
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void vpx_highbd_var_filter_block2d_bil_first_pass(
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const uint8_t *src_ptr8, uint16_t *output_ptr,
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unsigned int src_pixels_per_line, int pixel_step,
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unsigned int output_height, unsigned int output_width,
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const uint8_t *filter);
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void vpx_highbd_var_filter_block2d_bil_second_pass(
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const uint16_t *src_ptr, uint16_t *output_ptr,
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unsigned int src_pixels_per_line, unsigned int pixel_step,
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unsigned int output_height, unsigned int output_width,
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const uint8_t *filter);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VPX_DSP_VARIANCE_H_
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