mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-28 14:47:13 +01:00
118 lines
3.5 KiB
C
118 lines
3.5 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.
|
|
*/
|
|
|
|
|
|
#include "./vpx_config.h"
|
|
#include "./vpx_dsp_rtcd.h"
|
|
#include "./vp8_rtcd.h"
|
|
#include "vpx_mem/vpx_mem.h"
|
|
#include "vpx_ports/vpx_once.h"
|
|
#include "blockd.h"
|
|
#include "vp8/common/reconintra.h"
|
|
#include "vp8/common/reconintra4x4.h"
|
|
|
|
enum {
|
|
SIZE_16,
|
|
SIZE_8,
|
|
NUM_SIZES,
|
|
};
|
|
|
|
typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
|
|
const uint8_t *above, const uint8_t *left);
|
|
|
|
static intra_pred_fn pred[4][NUM_SIZES];
|
|
static intra_pred_fn dc_pred[2][2][NUM_SIZES];
|
|
|
|
static void vp8_init_intra_predictors_internal(void)
|
|
{
|
|
#define INIT_SIZE(sz) \
|
|
pred[V_PRED][SIZE_##sz] = vpx_v_predictor_##sz##x##sz; \
|
|
pred[H_PRED][SIZE_##sz] = vpx_h_predictor_##sz##x##sz; \
|
|
pred[TM_PRED][SIZE_##sz] = vpx_tm_predictor_##sz##x##sz; \
|
|
\
|
|
dc_pred[0][0][SIZE_##sz] = vpx_dc_128_predictor_##sz##x##sz; \
|
|
dc_pred[0][1][SIZE_##sz] = vpx_dc_top_predictor_##sz##x##sz; \
|
|
dc_pred[1][0][SIZE_##sz] = vpx_dc_left_predictor_##sz##x##sz; \
|
|
dc_pred[1][1][SIZE_##sz] = vpx_dc_predictor_##sz##x##sz
|
|
|
|
INIT_SIZE(16);
|
|
INIT_SIZE(8);
|
|
vp8_init_intra4x4_predictors_internal();
|
|
}
|
|
|
|
void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
|
|
unsigned char * yabove_row,
|
|
unsigned char * yleft,
|
|
int left_stride,
|
|
unsigned char * ypred_ptr,
|
|
int y_stride)
|
|
{
|
|
MB_PREDICTION_MODE mode = x->mode_info_context->mbmi.mode;
|
|
DECLARE_ALIGNED(16, uint8_t, yleft_col[16]);
|
|
int i;
|
|
intra_pred_fn fn;
|
|
|
|
for (i = 0; i < 16; i++)
|
|
{
|
|
yleft_col[i] = yleft[i* left_stride];
|
|
}
|
|
|
|
if (mode == DC_PRED)
|
|
{
|
|
fn = dc_pred[x->left_available][x->up_available][SIZE_16];
|
|
}
|
|
else
|
|
{
|
|
fn = pred[mode][SIZE_16];
|
|
}
|
|
|
|
fn(ypred_ptr, y_stride, yabove_row, yleft_col);
|
|
}
|
|
|
|
void vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *x,
|
|
unsigned char * uabove_row,
|
|
unsigned char * vabove_row,
|
|
unsigned char * uleft,
|
|
unsigned char * vleft,
|
|
int left_stride,
|
|
unsigned char * upred_ptr,
|
|
unsigned char * vpred_ptr,
|
|
int pred_stride)
|
|
{
|
|
MB_PREDICTION_MODE uvmode = x->mode_info_context->mbmi.uv_mode;
|
|
unsigned char uleft_col[8];
|
|
unsigned char vleft_col[8];
|
|
int i;
|
|
intra_pred_fn fn;
|
|
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
uleft_col[i] = uleft[i * left_stride];
|
|
vleft_col[i] = vleft[i * left_stride];
|
|
}
|
|
|
|
if (uvmode == DC_PRED)
|
|
{
|
|
fn = dc_pred[x->left_available][x->up_available][SIZE_8];
|
|
}
|
|
else
|
|
{
|
|
fn = pred[uvmode][SIZE_8];
|
|
}
|
|
|
|
fn(upred_ptr, pred_stride, uabove_row, uleft_col);
|
|
fn(vpred_ptr, pred_stride, vabove_row, vleft_col);
|
|
}
|
|
|
|
void vp8_init_intra_predictors(void)
|
|
{
|
|
once(vp8_init_intra_predictors_internal);
|
|
}
|