/* *  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 "vp8/common/idct.h"#include "quantize.h"#include "vp8/common/reconintra.h"#include "vp8/common/reconintra4x4.h"#include "encodemb.h"#include "vp8/common/invtrans.h"#include "vp8/common/recon.h"#include "dct.h"#include "encodeintra.h"  #if CONFIG_RUNTIME_CPU_DETECT#define IF_RTCD(x) (x)#else#define IF_RTCD(x) NULL#endif int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_dc_pred){     int i;    int intra_pred_var = 0;    (void) cpi;     if (use_dc_pred)    {        const VP8_ENCODER_RTCD *rtcd = IF_RTCD(&cpi->rtcd);         x->e_mbd.mode_info_context->mbmi.mode = DC_PRED;        x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;        x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;         vp8_encode_intra16x16mby(rtcd, x);         vp8_inverse_transform_mby(&x->e_mbd, IF_RTCD(&cpi->common.rtcd));    }    else    {        for (i = 0; i < 16; i++)        {            x->e_mbd.block[i].bmi.as_mode = B_DC_PRED;            vp8_encode_intra4x4block(IF_RTCD(&cpi->rtcd), x, i);        }    }     intra_pred_var = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);     return intra_pred_var;} void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd,                              MACROBLOCK *x, int ib){    BLOCKD *b = &x->e_mbd.block[ib];    BLOCK *be = &x->block[ib];     RECON_INVOKE(&rtcd->common->recon, intra4x4_predict)                (*(b->base_dst) + b->dst, b->dst_stride,                 b->bmi.as_mode, b->predictor, 16);     ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);     x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);     x->quantize_b(be, b);     if (*b->eob > 1)    {        IDCT_INVOKE(IF_RTCD(&rtcd->common->idct), idct16)(b->dqcoeff,            b->predictor, 16, *(b->base_dst) + b->dst, b->dst_stride);    }    else    {        IDCT_INVOKE(IF_RTCD(&rtcd->common->idct), idct1_scalar_add)            (b->dqcoeff[0], b->predictor, 16, *(b->base_dst) + b->dst,                b->dst_stride);    }} void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb){    int i;     MACROBLOCKD *x = &mb->e_mbd;    vp8_intra_prediction_down_copy(x);     for (i = 0; i < 16; i++)        vp8_encode_intra4x4block(rtcd, mb, i);    return;} void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x){    BLOCK *b = &x->block[0];    MACROBLOCKD *xd = &x->e_mbd;     RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby_s)(&x->e_mbd);     ENCODEMB_INVOKE(&rtcd->encodemb, submby) (x->src_diff, *(b->base_src),        b->src_stride, xd->dst.y_buffer, xd->dst.y_stride);     vp8_transform_intra_mby(x);     vp8_quantize_mby(x);     if (x->optimize)        vp8_optimize_mby(x, rtcd);} void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x){    MACROBLOCKD *xd = &x->e_mbd;     RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mbuv_s)(&x->e_mbd);     ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer,        x->src.v_buffer, x->src.uv_stride, xd->dst.u_buffer,        xd->dst.v_buffer, xd->dst.uv_stride);     vp8_transform_mbuv(x);     vp8_quantize_mbuv(x);     if (x->optimize)        vp8_optimize_mbuv(x, rtcd);}