godot/thirdparty/libvpx/vp8/common/reconintra4x4.h

49 lines
1.6 KiB
C++

/*
* Copyright (c) 2010 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 VP8_COMMON_RECONINTRA4X4_H_
#define VP8_COMMON_RECONINTRA4X4_H_
#include "vp8/common/blockd.h"
#ifdef __cplusplus
extern "C" {
#endif
static INLINE void intra_prediction_down_copy(MACROBLOCKD *xd,
unsigned char *above_right_src)
{
int dst_stride = xd->dst.y_stride;
unsigned char *above_right_dst = xd->dst.y_buffer - dst_stride + 16;
unsigned int *src_ptr = (unsigned int *)above_right_src;
unsigned int *dst_ptr0 = (unsigned int *)(above_right_dst + 4 * dst_stride);
unsigned int *dst_ptr1 = (unsigned int *)(above_right_dst + 8 * dst_stride);
unsigned int *dst_ptr2 = (unsigned int *)(above_right_dst + 12 * dst_stride);
*dst_ptr0 = *src_ptr;
*dst_ptr1 = *src_ptr;
*dst_ptr2 = *src_ptr;
}
void vp8_intra4x4_predict(unsigned char *Above,
unsigned char *yleft, int left_stride,
B_PREDICTION_MODE b_mode,
unsigned char *dst, int dst_stride,
unsigned char top_left);
void vp8_init_intra4x4_predictors_internal(void);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP8_COMMON_RECONINTRA4X4_H_