0d87098e08
I got this idea from Pascal (Thanks). Before encoding a macroblock, copy it to a 16x16 buffer, and then read source data from there instead. This will help keep the source data in cache, and help with the performance. Change-Id: Id05f4cb601299150511d59dcba0ae62c49b5b757
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/*
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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_ports/config.h"
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#include "vp8/common/idct.h"
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#include "quantize.h"
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#include "vp8/common/reconintra.h"
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#include "vp8/common/reconintra4x4.h"
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#include "encodemb.h"
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#include "vp8/common/invtrans.h"
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#include "vp8/common/recon.h"
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#include "dct.h"
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#include "vp8/common/g_common.h"
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#include "encodeintra.h"
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#if CONFIG_RUNTIME_CPU_DETECT
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#define IF_RTCD(x) (x)
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#else
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#define IF_RTCD(x) NULL
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#endif
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int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_dc_pred)
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{
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int i;
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int intra_pred_var = 0;
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(void) cpi;
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if (use_dc_pred)
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{
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x->e_mbd.mode_info_context->mbmi.mode = DC_PRED;
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x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
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x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
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vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
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}
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else
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{
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for (i = 0; i < 16; i++)
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{
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x->e_mbd.block[i].bmi.as_mode = B_DC_PRED;
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vp8_encode_intra4x4block(IF_RTCD(&cpi->rtcd), x, i);
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}
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}
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intra_pred_var = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);
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return intra_pred_var;
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}
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void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd,
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MACROBLOCK *x, int ib)
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{
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BLOCKD *b = &x->e_mbd.block[ib];
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BLOCK *be = &x->block[ib];
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RECON_INVOKE(&rtcd->common->recon, intra4x4_predict)
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(b, b->bmi.as_mode, b->predictor);
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ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
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x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
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x->quantize_b(be, b);
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vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 32);
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RECON_INVOKE(&rtcd->common->recon, recon)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
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}
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void vp8_encode_intra4x4mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb)
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{
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int i;
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MACROBLOCKD *x = &mb->e_mbd;
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vp8_intra_prediction_down_copy(x);
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for (i = 0; i < 16; i++)
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vp8_encode_intra4x4block(rtcd, mb, i);
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return;
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}
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void vp8_encode_intra16x16mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
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{
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BLOCK *b = &x->block[0];
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RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mby)(&x->e_mbd);
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ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, *(b->base_src), x->e_mbd.predictor, b->src_stride);
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vp8_transform_intra_mby(x);
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vp8_quantize_mby(x);
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if (x->optimize)
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vp8_optimize_mby(x, rtcd);
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vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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RECON_INVOKE(&rtcd->common->recon, recon_mby)
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(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
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}
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void vp8_encode_intra16x16mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
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{
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RECON_INVOKE(&rtcd->common->recon, build_intra_predictors_mbuv)(&x->e_mbd);
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ENCODEMB_INVOKE(&rtcd->encodemb, submbuv)(x->src_diff, x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
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vp8_transform_mbuv(x);
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vp8_quantize_mbuv(x);
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if (x->optimize)
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vp8_optimize_mbuv(x, rtcd);
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vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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vp8_recon_intra_mbuv(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
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}
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