Initial WebM release
This commit is contained in:
John Koleszar
236
vp8/encoder/encodeintra.c
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236
vp8/encoder/encodeintra.c
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/*
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* Copyright (c) 2010 The VP8 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 and patent
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* grant that can be found in the LICENSE file in the root of the source
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* tree. All contributing project authors may be found in the AUTHORS
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* 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 "idct.h"
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#include "quantize.h"
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#include "reconintra.h"
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#include "reconintra4x4.h"
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#include "encodemb.h"
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#include "invtrans.h"
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#include "recon.h"
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#include "dct.h"
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#include "g_common.h"
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#include "encodeintra.h"
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#define intra4x4ibias_rate 128
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#define intra4x4pbias_rate 256
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void vp8_update_mode_context(int *abmode, int *lbmode, int i, int best_mode)
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{
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if (i < 12)
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{
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abmode[i+4] = best_mode;
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}
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if ((i & 3) != 3)
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{
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lbmode[i+1] = best_mode;
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}
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}
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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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void vp8_encode_intra4x4block(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
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{
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vp8_predict_intra4x4(b, best_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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x->e_mbd.mbmi.mb_skip_coeff &= (!b->eob);
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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_intra4x4block_rd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x, BLOCK *be, BLOCKD *b, int best_mode)
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{
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vp8_predict_intra4x4(b, best_mode, b->predictor);
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ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
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x->short_fdct4x4rd(be->src_diff, be->coeff, 32);
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x->quantize_brd(be, b);
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x->e_mbd.mbmi.mb_skip_coeff &= (!b->eob);
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IDCT_INVOKE(&rtcd->common->idct, idct16)(b->dqcoeff, b->diff, 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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{
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BLOCK *be = &mb->block[i];
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BLOCKD *b = &x->block[i];
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vp8_encode_intra4x4block(rtcd, mb, be, b, b->bmi.mode);
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}
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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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int b;
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vp8_build_intra_predictors_mby_ptr(&x->e_mbd);
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ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
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vp8_transform_intra_mby(x);
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vp8_quantize_mby(x);
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#if !(CONFIG_REALTIME_ONLY)
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#if 1
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if (x->optimize && x->rddiv > 1)
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vp8_optimize_mby(x, rtcd);
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#endif
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#endif
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vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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vp8_recon16x16mby(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
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// make sure block modes are set the way we want them for context updates
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for (b = 0; b < 16; b++)
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{
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BLOCKD *d = &x->e_mbd.block[b];
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switch (x->e_mbd.mbmi.mode)
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{
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case DC_PRED:
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d->bmi.mode = B_DC_PRED;
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break;
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case V_PRED:
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d->bmi.mode = B_VE_PRED;
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break;
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case H_PRED:
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d->bmi.mode = B_HE_PRED;
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break;
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case TM_PRED:
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d->bmi.mode = B_TM_PRED;
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break;
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default:
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d->bmi.mode = B_DC_PRED;
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break;
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}
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}
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}
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void vp8_encode_intra16x16mbyrd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
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{
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int b;
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vp8_build_intra_predictors_mby_ptr(&x->e_mbd);
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ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
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vp8_transform_intra_mbyrd(x);
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x->e_mbd.mbmi.mb_skip_coeff = 1;
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vp8_quantize_mbyrd(x);
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vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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vp8_recon16x16mby(IF_RTCD(&rtcd->common->recon), &x->e_mbd);
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// make sure block modes are set the way we want them for context updates
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for (b = 0; b < 16; b++)
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{
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BLOCKD *d = &x->e_mbd.block[b];
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switch (x->e_mbd.mbmi.mode)
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{
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case DC_PRED:
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d->bmi.mode = B_DC_PRED;
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break;
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case V_PRED:
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d->bmi.mode = B_VE_PRED;
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break;
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case H_PRED:
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d->bmi.mode = B_HE_PRED;
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break;
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case TM_PRED:
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d->bmi.mode = B_TM_PRED;
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break;
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default:
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d->bmi.mode = B_DC_PRED;
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break;
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}
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}
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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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vp8_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 !(CONFIG_REALTIME_ONLY)
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#if 1
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if (x->optimize && x->rddiv > 1)
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vp8_optimize_mbuv(x, rtcd);
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#endif
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#endif
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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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void vp8_encode_intra16x16mbuvrd(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
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{
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vp8_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_mbuvrd(x);
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vp8_quantize_mbuvrd(x);
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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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