349 lines
9.8 KiB
C
349 lines
9.8 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 "dct.h"
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#include "vp8/common/g_common.h"
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#include "encodeintra.h"
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#include "vpx_rtcd.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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#if CONFIG_HYBRIDTRANSFORM
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extern void vp8_ht_quantize_b(BLOCK *b, BLOCKD *d);
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#endif
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int vp8_encode_intra(VP8_COMP *cpi, MACROBLOCK *x, int use_16x16_pred) {
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int i;
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int intra_pred_var = 0;
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MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
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(void) cpi;
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if (use_16x16_pred) {
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mbmi->mode = DC_PRED;
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#if CONFIG_COMP_INTRA_PRED
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mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
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#endif
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mbmi->uv_mode = DC_PRED;
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mbmi->ref_frame = INTRA_FRAME;
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vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
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} else {
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for (i = 0; i < 16; i++) {
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x->e_mbd.block[i].bmi.as_mode.first = 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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BLOCKD *b = &x->e_mbd.block[ib];
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BLOCK *be = &x->block[ib];
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#if CONFIG_HYBRIDTRANSFORM
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int QIndex = x->q_index;
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int active_ht = (QIndex < ACTIVE_HT);
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#endif
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#if CONFIG_COMP_INTRA_PRED
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if (b->bmi.as_mode.second == (B_PREDICTION_MODE)(B_DC_PRED - 1)) {
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#endif
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vp8_intra4x4_predict(b, b->bmi.as_mode.first, b->predictor);
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#if CONFIG_COMP_INTRA_PRED
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} else {
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vp8_comp_intra4x4_predict(b, b->bmi.as_mode.first, b->bmi.as_mode.second,
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b->predictor);
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}
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#endif
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ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 16);
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#if CONFIG_HYBRIDTRANSFORM
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if (active_ht) {
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b->bmi.as_mode.test = b->bmi.as_mode.first;
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txfm_map(b, b->bmi.as_mode.first);
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vp8_fht_c(be->src_diff, be->coeff, 32, b->bmi.as_mode.tx_type, 4);
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vp8_ht_quantize_b(be, b);
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vp8_inverse_htransform_b(IF_RTCD(&rtcd->common->idct), b, 32) ;
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} else {
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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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}
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#else
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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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#endif
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vp8_recon_b(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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int i;
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#if 0
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MACROBLOCKD *xd = &mb->e_mbd;
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// Intra modes requiring top-right MB reconstructed data have been disabled
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vp8_intra_prediction_down_copy(xd);
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#endif
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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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BLOCK *b = &x->block[0];
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int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
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#if CONFIG_HYBRIDTRANSFORM16X16
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TX_TYPE txfm_type = x->e_mbd.mode_info_context->bmi[0].as_mode.tx_type;
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#endif
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#if CONFIG_COMP_INTRA_PRED
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if (x->e_mbd.mode_info_context->mbmi.second_mode == (MB_PREDICTION_MODE)(DC_PRED - 1))
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#endif
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vp8_build_intra_predictors_mby(&x->e_mbd);
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#if CONFIG_COMP_INTRA_PRED
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else
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vp8_build_comp_intra_predictors_mby(&x->e_mbd);
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#endif
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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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if (tx_type == TX_16X16)
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#if CONFIG_HYBRIDTRANSFORM16X16
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{
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if ((x->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED) &&
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(x->q_index < ACTIVE_HT16)) {
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BLOCKD *bd = &x->e_mbd.block[0];
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txfm_map(bd, pred_mode_conv(x->e_mbd.mode_info_context->mbmi.mode));
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txfm_type = bd->bmi.as_mode.tx_type;
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vp8_fht_c(b->src_diff, b->coeff, 32, txfm_type, 16);
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} else
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vp8_transform_intra_mby_16x16(x);
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}
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#else
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vp8_transform_intra_mby_16x16(x);
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#endif
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else if (tx_type == TX_8X8)
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vp8_transform_intra_mby_8x8(x);
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else
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vp8_transform_intra_mby(x);
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if (tx_type == TX_16X16)
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vp8_quantize_mby_16x16(x);
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else if (tx_type == TX_8X8)
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vp8_quantize_mby_8x8(x);
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else
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vp8_quantize_mby(x);
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if (x->optimize) {
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if (tx_type == TX_16X16)
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vp8_optimize_mby_16x16(x, rtcd);
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else if (tx_type == TX_8X8)
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vp8_optimize_mby_8x8(x, rtcd);
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else
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vp8_optimize_mby(x, rtcd);
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}
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if (tx_type == TX_16X16)
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#if CONFIG_HYBRIDTRANSFORM16X16
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{
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if ((x->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED) &&
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(x->q_index < ACTIVE_HT16)) {
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BLOCKD *bd = &x->e_mbd.block[0];
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vp8_ihtllm_c(bd->dqcoeff, bd->diff, 32, txfm_type, 16);
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} else
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vp8_inverse_transform_mby_16x16(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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}
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#else
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vp8_inverse_transform_mby_16x16(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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#endif
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else if (tx_type == TX_8X8)
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vp8_inverse_transform_mby_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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else
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vp8_inverse_transform_mby(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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vp8_recon_mby(&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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int tx_type = x->e_mbd.mode_info_context->mbmi.txfm_size;
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if (tx_type == TX_16X16) tx_type = TX_8X8; // 16x16 for U and V should default to 8x8 behavior.
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#if CONFIG_COMP_INTRA_PRED
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if (x->e_mbd.mode_info_context->mbmi.second_uv_mode == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
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#endif
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vp8_build_intra_predictors_mbuv(&x->e_mbd);
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#if CONFIG_COMP_INTRA_PRED
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} else {
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vp8_build_comp_intra_predictors_mbuv(&x->e_mbd);
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}
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#endif
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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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if (tx_type == TX_8X8)
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vp8_transform_mbuv_8x8(x);
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else
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vp8_transform_mbuv(x);
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if (tx_type == TX_8X8)
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vp8_quantize_mbuv_8x8(x);
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else
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vp8_quantize_mbuv(x);
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if (x->optimize) {
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if (tx_type == TX_8X8)
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vp8_optimize_mbuv_8x8(x, rtcd);
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else
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vp8_optimize_mbuv(x, rtcd);
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}
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if (tx_type == TX_8X8)
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vp8_inverse_transform_mbuv_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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else
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vp8_inverse_transform_mbuv(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
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vp8_recon_intra_mbuv(&x->e_mbd);
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}
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void vp8_encode_intra8x8(const VP8_ENCODER_RTCD *rtcd,
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MACROBLOCK *x, int ib) {
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MACROBLOCKD *xd = &x->e_mbd;
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BLOCKD *b = &xd->block[ib];
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BLOCK *be = &x->block[ib];
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const int iblock[4] = {0, 1, 4, 5};
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int i;
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#if CONFIG_COMP_INTRA_PRED
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if (b->bmi.as_mode.second == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
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#endif
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vp8_intra8x8_predict(b, b->bmi.as_mode.first, b->predictor);
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#if CONFIG_COMP_INTRA_PRED
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} else {
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vp8_comp_intra8x8_predict(b, b->bmi.as_mode.first, b->bmi.as_mode.second,
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b->predictor);
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}
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#endif
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if (x->e_mbd.mode_info_context->mbmi.txfm_size == TX_8X8) {
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int idx = (ib & 0x02) ? (ib + 2) : ib;
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// generate residual blocks
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vp8_subtract_4b_c(be, b, 16);
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#if CONFIG_HYBRIDTRANSFORM8X8
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txfm_map(b, pred_mode_conv(b->bmi.as_mode.first));
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vp8_fht_c(be->src_diff, (x->block + idx)->coeff, 32,
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b->bmi.as_mode.tx_type, 8);
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x->quantize_b_8x8(x->block + idx, xd->block + idx);
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vp8_ihtllm_c(xd->block[idx].dqcoeff, xd->block[ib].diff, 32,
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b->bmi.as_mode.tx_type, 8);
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#else
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x->vp8_short_fdct8x8(be->src_diff, (x->block + idx)->coeff, 32);
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x->quantize_b_8x8(x->block + idx, xd->block + idx);
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vp8_idct_idct8(xd->block[idx].dqcoeff, xd->block[ib].diff, 32);
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#endif
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} else {
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for (i = 0; i < 4; i++) {
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b = &xd->block[ib + iblock[i]];
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be = &x->block[ib + iblock[i]];
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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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}
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}
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// reconstruct submacroblock
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for (i = 0; i < 4; i++) {
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b = &xd->block[ib + iblock[i]];
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vp8_recon_b_c(b->predictor, b->diff, *(b->base_dst) + b->dst,
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b->dst_stride);
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}
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}
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void vp8_encode_intra8x8mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
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int i, ib;
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for (i = 0; i < 4; i++) {
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ib = vp8_i8x8_block[i];
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vp8_encode_intra8x8(rtcd, x, ib);
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}
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}
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void vp8_encode_intra_uv4x4(const VP8_ENCODER_RTCD *rtcd,
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MACROBLOCK *x, int ib,
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int mode, int second) {
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BLOCKD *b = &x->e_mbd.block[ib];
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BLOCK *be = &x->block[ib];
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#if CONFIG_COMP_INTRA_PRED
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if (second == -1) {
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#endif
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vp8_intra_uv4x4_predict(b, mode, b->predictor);
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#if CONFIG_COMP_INTRA_PRED
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} else {
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vp8_comp_intra_uv4x4_predict(b, mode, second, b->predictor);
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}
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#endif
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ENCODEMB_INVOKE(&rtcd->encodemb, subb)(be, b, 8);
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x->vp8_short_fdct4x4(be->src_diff, be->coeff, 16);
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x->quantize_b(be, b);
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vp8_inverse_transform_b(IF_RTCD(&rtcd->common->idct), b, 16);
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vp8_recon_uv_b_c(b->predictor,b->diff, *(b->base_dst) + b->dst, b->dst_stride);
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}
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void vp8_encode_intra8x8mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
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int i, ib, mode, second;
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BLOCKD *b;
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for (i = 0; i < 4; i++) {
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ib = vp8_i8x8_block[i];
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b = &x->e_mbd.block[ib];
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mode = b->bmi.as_mode.first;
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#if CONFIG_COMP_INTRA_PRED
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second = b->bmi.as_mode.second;
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#else
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second = -1;
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#endif
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/*u */
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vp8_encode_intra_uv4x4(rtcd, x, i + 16, mode, second);
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/*v */
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vp8_encode_intra_uv4x4(rtcd, x, i + 20, mode, second);
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}
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}
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