118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
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/*
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* Copyright (c) 2010 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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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "./vp8_rtcd.h"
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#include "vpx_mem/vpx_mem.h"
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#include "vpx_ports/vpx_once.h"
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#include "blockd.h"
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#include "vp8/common/reconintra.h"
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#include "vp8/common/reconintra4x4.h"
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enum {
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SIZE_16,
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SIZE_8,
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NUM_SIZES,
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};
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typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
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const uint8_t *above, const uint8_t *left);
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static intra_pred_fn pred[4][NUM_SIZES];
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static intra_pred_fn dc_pred[2][2][NUM_SIZES];
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static void vp8_init_intra_predictors_internal(void)
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{
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#define INIT_SIZE(sz) \
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pred[V_PRED][SIZE_##sz] = vpx_v_predictor_##sz##x##sz; \
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pred[H_PRED][SIZE_##sz] = vpx_h_predictor_##sz##x##sz; \
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pred[TM_PRED][SIZE_##sz] = vpx_tm_predictor_##sz##x##sz; \
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\
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dc_pred[0][0][SIZE_##sz] = vpx_dc_128_predictor_##sz##x##sz; \
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dc_pred[0][1][SIZE_##sz] = vpx_dc_top_predictor_##sz##x##sz; \
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dc_pred[1][0][SIZE_##sz] = vpx_dc_left_predictor_##sz##x##sz; \
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dc_pred[1][1][SIZE_##sz] = vpx_dc_predictor_##sz##x##sz
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INIT_SIZE(16);
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INIT_SIZE(8);
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vp8_init_intra4x4_predictors_internal();
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}
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void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
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unsigned char * yabove_row,
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unsigned char * yleft,
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int left_stride,
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unsigned char * ypred_ptr,
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int y_stride)
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{
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MB_PREDICTION_MODE mode = x->mode_info_context->mbmi.mode;
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DECLARE_ALIGNED(16, uint8_t, yleft_col[16]);
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int i;
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intra_pred_fn fn;
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for (i = 0; i < 16; i++)
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{
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yleft_col[i] = yleft[i* left_stride];
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}
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if (mode == DC_PRED)
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{
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fn = dc_pred[x->left_available][x->up_available][SIZE_16];
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}
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else
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{
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fn = pred[mode][SIZE_16];
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}
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fn(ypred_ptr, y_stride, yabove_row, yleft_col);
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}
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void vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *x,
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unsigned char * uabove_row,
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unsigned char * vabove_row,
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unsigned char * uleft,
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unsigned char * vleft,
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int left_stride,
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unsigned char * upred_ptr,
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unsigned char * vpred_ptr,
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int pred_stride)
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{
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MB_PREDICTION_MODE uvmode = x->mode_info_context->mbmi.uv_mode;
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unsigned char uleft_col[8];
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unsigned char vleft_col[8];
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int i;
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intra_pred_fn fn;
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for (i = 0; i < 8; i++)
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{
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uleft_col[i] = uleft[i * left_stride];
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vleft_col[i] = vleft[i * left_stride];
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}
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if (uvmode == DC_PRED)
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{
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fn = dc_pred[x->left_available][x->up_available][SIZE_8];
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}
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else
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{
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fn = pred[uvmode][SIZE_8];
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}
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fn(upred_ptr, pred_stride, uabove_row, uleft_col);
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fn(vpred_ptr, pred_stride, vabove_row, vleft_col);
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}
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void vp8_init_intra_predictors(void)
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{
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once(vp8_init_intra_predictors_internal);
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}
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