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-rw-r--r--vp8/encoder/pickinter.c923
1 files changed, 923 insertions, 0 deletions
diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
new file mode 100644
index 000000000..d61e2ceda
--- /dev/null
+++ b/vp8/encoder/pickinter.c
@@ -0,0 +1,923 @@
+/*
+ * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license and patent
+ * grant that can be found in the LICENSE file in the root of the source
+ * tree. All contributing project authors may be found in the AUTHORS
+ * file in the root of the source tree.
+ */
+
+
+#include <limits.h>
+#include "vpx_ports/config.h"
+#include "onyx_int.h"
+#include "modecosts.h"
+#include "encodeintra.h"
+#include "entropymode.h"
+#include "pickinter.h"
+#include "findnearmv.h"
+#include "encodemb.h"
+#include "reconinter.h"
+#include "reconintra.h"
+#include "reconintra4x4.h"
+#include "g_common.h"
+#include "variance.h"
+#include "mcomp.h"
+
+#include "vpx_mem/vpx_mem.h"
+
+#if CONFIG_RUNTIME_CPU_DETECT
+#define IF_RTCD(x) (x)
+#else
+#define IF_RTCD(x) NULL
+#endif
+
+extern int VP8_UVSSE(MACROBLOCK *x, const vp8_variance_rtcd_vtable_t *rtcd);
+
+#ifdef SPEEDSTATS
+extern unsigned int cnt_pm;
+#endif
+
+extern const MV_REFERENCE_FRAME vp8_ref_frame_order[MAX_MODES];
+extern const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES];
+
+
+extern unsigned int (*vp8_get16x16pred_error)(unsigned char *src_ptr, int src_stride, unsigned char *ref_ptr, int ref_stride);
+extern unsigned int (*vp8_get4x4sse_cs)(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride);
+extern int vp8_rd_pick_best_mbsegmentation(VP8_COMP *cpi, MACROBLOCK *x, MV *best_ref_mv, int best_rd, int *, int *, int *, int, int *mvcost[2], int, int fullpixel);
+extern int vp8_cost_mv_ref(MB_PREDICTION_MODE m, const int near_mv_ref_ct[4]);
+extern void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, MV *mv);
+
+
+int vp8_skip_fractional_mv_step(MACROBLOCK *mb, BLOCK *b, BLOCKD *d, MV *bestmv, MV *ref_mv, int error_per_bit, vp8_subpixvariance_fn_t svf, vp8_variance_fn_t vf, int *mvcost[2])
+{
+ (void) b;
+ (void) d;
+ (void) ref_mv;
+ (void) error_per_bit;
+ (void) svf;
+ (void) vf;
+ (void) mvcost;
+ bestmv->row <<= 3;
+ bestmv->col <<= 3;
+ return 0;
+}
+
+
+static int get_inter_mbpred_error(MACROBLOCK *mb, vp8_subpixvariance_fn_t svf, vp8_variance_fn_t vf, unsigned int *sse)
+{
+
+ BLOCK *b = &mb->block[0];
+ BLOCKD *d = &mb->e_mbd.block[0];
+ unsigned char *what = (*(b->base_src) + b->src);
+ int what_stride = b->src_stride;
+ unsigned char *in_what = *(d->base_pre) + d->pre ;
+ int in_what_stride = d->pre_stride;
+ int xoffset = d->bmi.mv.as_mv.col & 7;
+ int yoffset = d->bmi.mv.as_mv.row & 7;
+
+ in_what += (d->bmi.mv.as_mv.row >> 3) * d->pre_stride + (d->bmi.mv.as_mv.col >> 3);
+
+ if (xoffset | yoffset)
+ {
+ return svf(in_what, in_what_stride, xoffset, yoffset, what, what_stride, sse);
+ }
+ else
+ {
+ return vf(what, what_stride, in_what, in_what_stride, sse);
+ }
+
+}
+
+unsigned int vp8_get16x16pred_error_c
+(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad
+)
+{
+ unsigned pred_error = 0;
+ int i, j;
+ int sum = 0;
+
+ for (i = 0; i < 16; i++)
+ {
+ int diff;
+
+ for (j = 0; j < 16; j++)
+ {
+ diff = src_ptr[j] - ref_ptr[j];
+ sum += diff;
+ pred_error += diff * diff;
+ }
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ }
+
+ pred_error -= sum * sum / 256;
+ return pred_error;
+}
+
+
+unsigned int vp8_get4x4sse_cs_c
+(
+ unsigned char *src_ptr,
+ int source_stride,
+ unsigned char *ref_ptr,
+ int recon_stride,
+ int max_sad
+)
+{
+ int distortion = 0;
+ int r, c;
+
+ for (r = 0; r < 4; r++)
+ {
+ for (c = 0; c < 4; c++)
+ {
+ int diff = src_ptr[c] - ref_ptr[c];
+ distortion += diff * diff;
+ }
+
+ src_ptr += source_stride;
+ ref_ptr += recon_stride;
+ }
+
+ return distortion;
+}
+
+static int get_prediction_error(BLOCK *be, BLOCKD *b, const vp8_variance_rtcd_vtable_t *rtcd)
+{
+ unsigned char *sptr;
+ unsigned char *dptr;
+ sptr = (*(be->base_src) + be->src);
+ dptr = b->predictor;
+
+ return VARIANCE_INVOKE(rtcd, get4x4sse_cs)(sptr, be->src_stride, dptr, 16, 0x7fffffff);
+
+}
+
+static int pick_intra4x4block(
+ const VP8_ENCODER_RTCD *rtcd,
+ MACROBLOCK *x,
+ BLOCK *be,
+ BLOCKD *b,
+ B_PREDICTION_MODE *best_mode,
+ B_PREDICTION_MODE above,
+ B_PREDICTION_MODE left,
+ ENTROPY_CONTEXT *a,
+ ENTROPY_CONTEXT *l,
+
+ int *bestrate,
+ int *bestdistortion)
+{
+ B_PREDICTION_MODE mode;
+ int best_rd = INT_MAX; // 1<<30
+ int rate;
+ int distortion;
+ unsigned int *mode_costs;
+ (void) l;
+ (void) a;
+
+ if (x->e_mbd.frame_type == KEY_FRAME)
+ {
+ mode_costs = x->bmode_costs[above][left];
+ }
+ else
+ {
+ mode_costs = x->inter_bmode_costs;
+ }
+
+ for (mode = B_DC_PRED; mode <= B_HE_PRED /*B_HU_PRED*/; mode++)
+ {
+ int this_rd;
+
+ rate = mode_costs[mode];
+ vp8_predict_intra4x4(b, mode, b->predictor);
+ distortion = get_prediction_error(be, b, &rtcd->variance);
+ this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate, distortion);
+
+ if (this_rd < best_rd)
+ {
+ *bestrate = rate;
+ *bestdistortion = distortion;
+ best_rd = this_rd;
+ *best_mode = mode;
+ }
+ }
+
+ b->bmi.mode = (B_PREDICTION_MODE)(*best_mode);
+ vp8_encode_intra4x4block(rtcd, x, be, b, b->bmi.mode);
+ return best_rd;
+}
+
+
+int vp8_pick_intra4x4mby_modes(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *mb, int *Rate, int *best_dist)
+{
+ MACROBLOCKD *const xd = &mb->e_mbd;
+ int i;
+ TEMP_CONTEXT t;
+ int cost = mb->mbmode_cost [xd->frame_type] [B_PRED];
+ int error = RD_ESTIMATE(mb->rdmult, mb->rddiv, cost, 0); // Rd estimate for the cost of the block prediction mode
+ int distortion = 0;
+
+ vp8_intra_prediction_down_copy(xd);
+ vp8_setup_temp_context(&t, xd->above_context[Y1CONTEXT], xd->left_context[Y1CONTEXT], 4);
+
+ for (i = 0; i < 16; i++)
+ {
+ MODE_INFO *const mic = xd->mode_info_context;
+ const int mis = xd->mode_info_stride;
+ const B_PREDICTION_MODE A = vp8_above_bmi(mic, i, mis)->mode;
+ const B_PREDICTION_MODE L = vp8_left_bmi(mic, i)->mode;
+ B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode);
+ int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(d);
+
+ error += pick_intra4x4block(rtcd,
+ mb, mb->block + i, xd->block + i, &best_mode, A, L,
+ t.a + vp8_block2above[i],
+ t.l + vp8_block2left[i], &r, &d);
+
+ cost += r;
+ distortion += d;
+
+ mic->bmi[i].mode = xd->block[i].bmi.mode = best_mode;
+
+ // Break out case where we have already exceeded best so far value that was bassed in
+ if (distortion > *best_dist)
+ break;
+ }
+
+ for (i = 0; i < 16; i++)
+ xd->block[i].bmi.mv.as_int = 0;
+
+ *Rate = cost;
+
+ if (i == 16)
+ *best_dist = distortion;
+ else
+ *best_dist = INT_MAX;
+
+
+ return error;
+}
+
+int vp8_pick_intra_mbuv_mode(MACROBLOCK *mb)
+{
+
+ MACROBLOCKD *x = &mb->e_mbd;
+ unsigned char *uabove_row = x->dst.u_buffer - x->dst.uv_stride;
+ unsigned char *vabove_row = x->dst.v_buffer - x->dst.uv_stride;
+ unsigned char *usrc_ptr = (mb->block[16].src + *mb->block[16].base_src);
+ unsigned char *vsrc_ptr = (mb->block[20].src + *mb->block[20].base_src);
+ int uvsrc_stride = mb->block[16].src_stride;
+ unsigned char uleft_col[8];
+ unsigned char vleft_col[8];
+ unsigned char utop_left = uabove_row[-1];
+ unsigned char vtop_left = vabove_row[-1];
+ int i, j;
+ int expected_udc;
+ int expected_vdc;
+ int shift;
+ int Uaverage = 0;
+ int Vaverage = 0;
+ int diff;
+ int pred_error[4] = {0, 0, 0, 0}, best_error = INT_MAX;
+ MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode);
+
+
+ for (i = 0; i < 8; i++)
+ {
+ uleft_col[i] = x->dst.u_buffer [i* x->dst.uv_stride -1];
+ vleft_col[i] = x->dst.v_buffer [i* x->dst.uv_stride -1];
+ }
+
+ if (!x->up_available && !x->left_available)
+ {
+ expected_udc = 128;
+ expected_vdc = 128;
+ }
+ else
+ {
+ shift = 2;
+
+ if (x->up_available)
+ {
+
+ for (i = 0; i < 8; i++)
+ {
+ Uaverage += uabove_row[i];
+ Vaverage += vabove_row[i];
+ }
+
+ shift ++;
+
+ }
+
+ if (x->left_available)
+ {
+ for (i = 0; i < 8; i++)
+ {
+ Uaverage += uleft_col[i];
+ Vaverage += vleft_col[i];
+ }
+
+ shift ++;
+
+ }
+
+ expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
+ expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
+ }
+
+
+ for (i = 0; i < 8; i++)
+ {
+ for (j = 0; j < 8; j++)
+ {
+
+ int predu = uleft_col[i] + uabove_row[j] - utop_left;
+ int predv = vleft_col[i] + vabove_row[j] - vtop_left;
+ int u_p, v_p;
+
+ u_p = usrc_ptr[j];
+ v_p = vsrc_ptr[j];
+
+ if (predu < 0)
+ predu = 0;
+
+ if (predu > 255)
+ predu = 255;
+
+ if (predv < 0)
+ predv = 0;
+
+ if (predv > 255)
+ predv = 255;
+
+
+ diff = u_p - expected_udc;
+ pred_error[DC_PRED] += diff * diff;
+ diff = v_p - expected_vdc;
+ pred_error[DC_PRED] += diff * diff;
+
+
+ diff = u_p - uabove_row[j];
+ pred_error[V_PRED] += diff * diff;
+ diff = v_p - vabove_row[j];
+ pred_error[V_PRED] += diff * diff;
+
+
+ diff = u_p - uleft_col[i];
+ pred_error[H_PRED] += diff * diff;
+ diff = v_p - vleft_col[i];
+ pred_error[H_PRED] += diff * diff;
+
+
+ diff = u_p - predu;
+ pred_error[TM_PRED] += diff * diff;
+ diff = v_p - predv;
+ pred_error[TM_PRED] += diff * diff;
+
+
+ }
+
+ usrc_ptr += uvsrc_stride;
+ vsrc_ptr += uvsrc_stride;
+
+ if (i == 3)
+ {
+ usrc_ptr = (mb->block[18].src + *mb->block[18].base_src);
+ vsrc_ptr = (mb->block[22].src + *mb->block[22].base_src);
+ }
+
+
+
+ }
+
+
+ for (i = DC_PRED; i <= TM_PRED; i++)
+ {
+ if (best_error > pred_error[i])
+ {
+ best_error = pred_error[i];
+ best_mode = (MB_PREDICTION_MODE)i;
+ }
+ }
+
+
+ mb->e_mbd.mbmi.uv_mode = best_mode;
+ return best_error;
+
+}
+
+
+int vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion, int *returnintra)
+{
+ BLOCK *b = &x->block[0];
+ BLOCKD *d = &x->e_mbd.block[0];
+ MACROBLOCKD *xd = &x->e_mbd;
+ B_MODE_INFO best_bmodes[16];
+ MB_MODE_INFO best_mbmode;
+ MV best_ref_mv1;
+ MV mode_mv[MB_MODE_COUNT];
+ MB_PREDICTION_MODE this_mode;
+ int num00;
+ int i;
+ int mdcounts[4];
+ int best_rd = INT_MAX; // 1 << 30;
+ int best_intra_rd = INT_MAX;
+ int mode_index;
+ int ref_frame_cost[MAX_REF_FRAMES];
+ int rate;
+ int rate2;
+ int distortion2;
+ int bestsme;
+ //int all_rds[MAX_MODES]; // Experimental debug code.
+ int best_mode_index = 0;
+ int sse = INT_MAX;
+
+ MV nearest_mv[4];
+ MV near_mv[4];
+ MV best_ref_mv[4];
+ int MDCounts[4][4];
+ unsigned char *y_buffer[4];
+ unsigned char *u_buffer[4];
+ unsigned char *v_buffer[4];
+
+ int skip_mode[4] = {0, 0, 0, 0};
+
+ vpx_memset(mode_mv, 0, sizeof(mode_mv));
+ vpx_memset(nearest_mv, 0, sizeof(nearest_mv));
+ vpx_memset(near_mv, 0, sizeof(near_mv));
+
+
+ // set up all the refframe dependent pointers.
+ if (cpi->ref_frame_flags & VP8_LAST_FLAG)
+ {
+ vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[LAST_FRAME], &near_mv[LAST_FRAME],
+ &best_ref_mv[LAST_FRAME], MDCounts[LAST_FRAME], LAST_FRAME, cpi->common.ref_frame_sign_bias);
+
+ y_buffer[LAST_FRAME] = cpi->common.last_frame.y_buffer + recon_yoffset;
+ u_buffer[LAST_FRAME] = cpi->common.last_frame.u_buffer + recon_uvoffset;
+ v_buffer[LAST_FRAME] = cpi->common.last_frame.v_buffer + recon_uvoffset;
+ }
+ else
+ skip_mode[LAST_FRAME] = 1;
+
+ if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
+ {
+ vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[GOLDEN_FRAME], &near_mv[GOLDEN_FRAME],
+ &best_ref_mv[GOLDEN_FRAME], MDCounts[GOLDEN_FRAME], GOLDEN_FRAME, cpi->common.ref_frame_sign_bias);
+
+ y_buffer[GOLDEN_FRAME] = cpi->common.golden_frame.y_buffer + recon_yoffset;
+ u_buffer[GOLDEN_FRAME] = cpi->common.golden_frame.u_buffer + recon_uvoffset;
+ v_buffer[GOLDEN_FRAME] = cpi->common.golden_frame.v_buffer + recon_uvoffset;
+ }
+ else
+ skip_mode[GOLDEN_FRAME] = 1;
+
+ if (cpi->ref_frame_flags & VP8_ALT_FLAG && cpi->source_alt_ref_active)
+ {
+ vp8_find_near_mvs(&x->e_mbd, x->e_mbd.mode_info_context, &nearest_mv[ALTREF_FRAME], &near_mv[ALTREF_FRAME],
+ &best_ref_mv[ALTREF_FRAME], MDCounts[ALTREF_FRAME], ALTREF_FRAME, cpi->common.ref_frame_sign_bias);
+
+ y_buffer[ALTREF_FRAME] = cpi->common.alt_ref_frame.y_buffer + recon_yoffset;
+ u_buffer[ALTREF_FRAME] = cpi->common.alt_ref_frame.u_buffer + recon_uvoffset;
+ v_buffer[ALTREF_FRAME] = cpi->common.alt_ref_frame.v_buffer + recon_uvoffset;
+ }
+ else
+ skip_mode[ALTREF_FRAME] = 1;
+
+ cpi->mbs_tested_so_far++; // Count of the number of MBs tested so far this frame
+
+ *returnintra = best_intra_rd;
+ x->skip = 0;
+
+ ref_frame_cost[INTRA_FRAME] = vp8_cost_zero(cpi->prob_intra_coded);
+
+ // Special case treatment when GF and ARF are not sensible options for reference
+ if (cpi->ref_frame_flags == VP8_LAST_FLAG)
+ {
+ ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_zero(255);
+ ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_one(255)
+ + vp8_cost_zero(128);
+ ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_one(255)
+ + vp8_cost_one(128);
+ }
+ else
+ {
+ ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_zero(cpi->prob_last_coded);
+ ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_one(cpi->prob_last_coded)
+ + vp8_cost_zero(cpi->prob_gf_coded);
+ ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ + vp8_cost_one(cpi->prob_last_coded)
+ + vp8_cost_one(cpi->prob_gf_coded);
+ }
+
+
+
+ best_rd = INT_MAX;
+
+ x->e_mbd.mbmi.ref_frame = INTRA_FRAME;
+
+ // if we encode a new mv this is important
+ // find the best new motion vector
+ for (mode_index = 0; mode_index < MAX_MODES; mode_index++)
+ {
+ int frame_cost;
+ int this_rd = INT_MAX;
+
+ if (best_rd <= cpi->rd_threshes[mode_index])
+ continue;
+
+ x->e_mbd.mbmi.ref_frame = vp8_ref_frame_order[mode_index];
+
+ if (skip_mode[x->e_mbd.mbmi.ref_frame])
+ continue;
+
+ // Check to see if the testing frequency for this mode is at its max
+ // If so then prevent it from being tested and increase the threshold for its testing
+ if (cpi->mode_test_hit_counts[mode_index] && (cpi->mode_check_freq[mode_index] > 1))
+ {
+ //if ( (cpi->mbs_tested_so_far / cpi->mode_test_hit_counts[mode_index]) <= cpi->mode_check_freq[mode_index] )
+ if (cpi->mbs_tested_so_far <= (cpi->mode_check_freq[mode_index] * cpi->mode_test_hit_counts[mode_index]))
+ {
+ // Increase the threshold for coding this mode to make it less likely to be chosen
+ cpi->rd_thresh_mult[mode_index] += 4;
+
+ if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT)
+ cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
+
+ cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
+
+ continue;
+ }
+ }
+
+ // We have now reached the point where we are going to test the current mode so increment the counter for the number of times it has been tested
+ cpi->mode_test_hit_counts[mode_index] ++;
+
+ rate2 = 0;
+ distortion2 = 0;
+
+ this_mode = vp8_mode_order[mode_index];
+
+ // Experimental debug code.
+ //all_rds[mode_index] = -1;
+
+ x->e_mbd.mbmi.mode = this_mode;
+ x->e_mbd.mbmi.uv_mode = DC_PRED;
+
+ // Work out the cost assosciated with selecting the reference frame
+ frame_cost = ref_frame_cost[x->e_mbd.mbmi.ref_frame];
+ rate2 += frame_cost;
+
+ // everything but intra
+ if (x->e_mbd.mbmi.ref_frame)
+ {
+ x->e_mbd.pre.y_buffer = y_buffer[x->e_mbd.mbmi.ref_frame];
+ x->e_mbd.pre.u_buffer = u_buffer[x->e_mbd.mbmi.ref_frame];
+ x->e_mbd.pre.v_buffer = v_buffer[x->e_mbd.mbmi.ref_frame];
+ mode_mv[NEARESTMV] = nearest_mv[x->e_mbd.mbmi.ref_frame];
+ mode_mv[NEARMV] = near_mv[x->e_mbd.mbmi.ref_frame];
+ best_ref_mv1 = best_ref_mv[x->e_mbd.mbmi.ref_frame];
+ memcpy(mdcounts, MDCounts[x->e_mbd.mbmi.ref_frame], sizeof(mdcounts));
+ }
+
+ //Only consider ZEROMV/ALTREF_FRAME for alt ref frame.
+ if (cpi->is_src_frame_alt_ref)
+ {
+ if (this_mode != ZEROMV || x->e_mbd.mbmi.ref_frame != ALTREF_FRAME)
+ continue;
+ }
+
+ switch (this_mode)
+ {
+ case B_PRED:
+ distortion2 = *returndistortion; // Best so far passed in as breakout value to vp8_pick_intra4x4mby_modes
+ vp8_pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate, &distortion2);
+ rate2 += rate;
+ distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);
+
+ if (distortion2 == INT_MAX)
+ {
+ this_rd = INT_MAX;
+ }
+ else
+ {
+ this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+
+ if (this_rd < best_intra_rd)
+ {
+ best_intra_rd = this_rd;
+ *returnintra = best_intra_rd ;
+ }
+ }
+
+ break;
+
+ case SPLITMV:
+
+ // Split MV modes currently not supported when RD is nopt enabled.
+ break;
+
+ case DC_PRED:
+ case V_PRED:
+ case H_PRED:
+ case TM_PRED:
+ vp8_build_intra_predictors_mby_ptr(&x->e_mbd);
+ distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16, 0x7fffffff);
+ rate2 += x->mbmode_cost[x->e_mbd.frame_type][x->e_mbd.mbmi.mode];
+ this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+
+ if (this_rd < best_intra_rd)
+ {
+ best_intra_rd = this_rd;
+ *returnintra = best_intra_rd ;
+ }
+
+ break;
+
+ case NEWMV:
+ {
+ int thissme;
+ int step_param;
+ int further_steps;
+ int n = 0;
+ int sadpb = x->sadperbit16;
+
+ // Further step/diamond searches as necessary
+ if (cpi->Speed < 8)
+ {
+ step_param = cpi->sf.first_step + ((cpi->Speed > 5) ? 1 : 0);
+ further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
+ }
+ else
+ {
+ step_param = cpi->sf.first_step + 2;
+ further_steps = 0;
+ }
+
+#if 0
+
+ // Initial step Search
+ bestsme = vp8_diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, x->errorperbit, &num00, &cpi->fn_ptr, cpi->mb.mvsadcost, cpi->mb.mvcost);
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+
+ // Further step searches
+ while (n < further_steps)
+ {
+ n++;
+
+ if (num00)
+ num00--;
+ else
+ {
+ thissme = vp8_diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param + n, x->errorperbit, &num00, &cpi->fn_ptr, cpi->mb.mvsadcost, x->mvcost);
+
+ if (thissme < bestsme)
+ {
+ bestsme = thissme;
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+ }
+ else
+ {
+ d->bmi.mv.as_mv.row = mode_mv[NEWMV].row;
+ d->bmi.mv.as_mv.col = mode_mv[NEWMV].col;
+ }
+ }
+ }
+
+#else
+
+ if (cpi->sf.search_method == HEX)
+ {
+ bestsme = vp8_hex_search(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, sadpb/*x->errorperbit*/, &num00, cpi->fn_ptr.vf, cpi->fn_ptr.sdf, x->mvsadcost, x->mvcost);
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+ }
+ else
+ {
+ bestsme = cpi->diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param, sadpb / 2/*x->errorperbit*/, &num00, &cpi->fn_ptr, x->mvsadcost, x->mvcost); //sadpb < 9
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+
+ // Further step/diamond searches as necessary
+ n = 0;
+ //further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
+
+ n = num00;
+ num00 = 0;
+
+ while (n < further_steps)
+ {
+ n++;
+
+ if (num00)
+ num00--;
+ else
+ {
+ thissme = cpi->diamond_search_sad(x, b, d, &best_ref_mv1, &d->bmi.mv.as_mv, step_param + n, sadpb / 4/*x->errorperbit*/, &num00, &cpi->fn_ptr, x->mvsadcost, x->mvcost); //sadpb = 9
+
+ if (thissme < bestsme)
+ {
+ bestsme = thissme;
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+ }
+ else
+ {
+ d->bmi.mv.as_mv.row = mode_mv[NEWMV].row;
+ d->bmi.mv.as_mv.col = mode_mv[NEWMV].col;
+ }
+ }
+ }
+ }
+
+#endif
+ }
+
+ if (bestsme < INT_MAX)
+ cpi->find_fractional_mv_step(x, b, d, &d->bmi.mv.as_mv, &best_ref_mv1, x->errorperbit, cpi->fn_ptr.svf, cpi->fn_ptr.vf, cpi->mb.mvcost);
+
+ mode_mv[NEWMV].row = d->bmi.mv.as_mv.row;
+ mode_mv[NEWMV].col = d->bmi.mv.as_mv.col;
+
+ // mv cost;
+ rate2 += vp8_mv_bit_cost(&mode_mv[NEWMV], &best_ref_mv1, cpi->mb.mvcost, 128);
+
+
+ case NEARESTMV:
+ case NEARMV:
+
+ if (mode_mv[this_mode].row == 0 && mode_mv[this_mode].col == 0)
+ continue;
+
+ case ZEROMV:
+
+ // Trap vectors that reach beyond the UMV borders
+ // Note that ALL New MV, Nearest MV Near MV and Zero MV code drops through to this point
+ // because of the lack of break statements in the previous two cases.
+ if (((mode_mv[this_mode].row >> 3) < x->mv_row_min) || ((mode_mv[this_mode].row >> 3) > x->mv_row_max) ||
+ ((mode_mv[this_mode].col >> 3) < x->mv_col_min) || ((mode_mv[this_mode].col >> 3) > x->mv_col_max))
+ continue;
+
+ rate2 += vp8_cost_mv_ref(this_mode, mdcounts);
+ x->e_mbd.mbmi.mode = this_mode;
+ x->e_mbd.mbmi.mv.as_mv = mode_mv[this_mode];
+ x->e_mbd.block[0].bmi.mode = this_mode;
+ x->e_mbd.block[0].bmi.mv.as_int = x->e_mbd.mbmi.mv.as_int;
+
+ distortion2 = get_inter_mbpred_error(x, cpi->fn_ptr.svf, cpi->fn_ptr.vf, (unsigned int *)(&sse));
+
+ this_rd = RD_ESTIMATE(x->rdmult, x->rddiv, rate2, distortion2);
+
+ if (cpi->active_map_enabled && x->active_ptr[0] == 0)
+ {
+ x->skip = 1;
+ }
+ else if (sse < x->encode_breakout)
+ {
+ // Check u and v to make sure skip is ok
+ int sse2 = 0;
+
+ sse2 = VP8_UVSSE(x, IF_RTCD(&cpi->rtcd.variance));
+
+ if (sse2 * 2 < x->encode_breakout)
+ x->skip = 1;
+ else
+ x->skip = 0;
+ }
+
+ break;
+ default:
+ break;
+ }
+
+ // Experimental debug code.
+ //all_rds[mode_index] = this_rd;
+
+ if (this_rd < best_rd || x->skip)
+ {
+ // Note index of best mode
+ best_mode_index = mode_index;
+
+ *returnrate = rate2;
+ *returndistortion = distortion2;
+ best_rd = this_rd;
+ vpx_memcpy(&best_mbmode, &x->e_mbd.mbmi, sizeof(MB_MODE_INFO));
+
+ if (this_mode == B_PRED || this_mode == SPLITMV)
+ for (i = 0; i < 16; i++)
+ {
+ vpx_memcpy(&best_bmodes[i], &x->e_mbd.block[i].bmi, sizeof(B_MODE_INFO));
+ }
+ else
+ {
+ best_bmodes[0].mv = x->e_mbd.block[0].bmi.mv;
+ }
+
+ // Testing this mode gave rise to an improvement in best error score. Lower threshold a bit for next time
+ cpi->rd_thresh_mult[mode_index] = (cpi->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2)) ? cpi->rd_thresh_mult[mode_index] - 2 : MIN_THRESHMULT;
+ cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
+ }
+
+ // If the mode did not help improve the best error case then raise the threshold for testing that mode next time around.
+ else
+ {
+ cpi->rd_thresh_mult[mode_index] += 4;
+
+ if (cpi->rd_thresh_mult[mode_index] > MAX_THRESHMULT)
+ cpi->rd_thresh_mult[mode_index] = MAX_THRESHMULT;
+
+ cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
+ }
+
+ if (x->skip)
+ break;
+ }
+
+ // Reduce the activation RD thresholds for the best choice mode
+ if ((cpi->rd_baseline_thresh[best_mode_index] > 0) && (cpi->rd_baseline_thresh[best_mode_index] < (INT_MAX >> 2)))
+ {
+ int best_adjustment = (cpi->rd_thresh_mult[best_mode_index] >> 3);
+
+ cpi->rd_thresh_mult[best_mode_index] = (cpi->rd_thresh_mult[best_mode_index] >= (MIN_THRESHMULT + best_adjustment)) ? cpi->rd_thresh_mult[best_mode_index] - best_adjustment : MIN_THRESHMULT;
+ cpi->rd_threshes[best_mode_index] = (cpi->rd_baseline_thresh[best_mode_index] >> 7) * cpi->rd_thresh_mult[best_mode_index];
+ }
+
+ // Keep a record of best mode index for use in next loop
+ cpi->last_best_mode_index = best_mode_index;
+
+ if (best_mbmode.mode <= B_PRED)
+ {
+ x->e_mbd.mbmi.ref_frame = INTRA_FRAME;
+ vp8_pick_intra_mbuv_mode(x);
+ best_mbmode.uv_mode = x->e_mbd.mbmi.uv_mode;
+ }
+
+
+ {
+ int this_rdbin = (*returndistortion >> 7);
+
+ if (this_rdbin >= 1024)
+ {
+ this_rdbin = 1023;
+ }
+
+ cpi->error_bins[this_rdbin] ++;
+ }
+
+
+ if (cpi->is_src_frame_alt_ref && (best_mbmode.mode != ZEROMV || best_mbmode.ref_frame != ALTREF_FRAME))
+ {
+ best_mbmode.mode = ZEROMV;
+ best_mbmode.ref_frame = ALTREF_FRAME;
+ best_mbmode.mv.as_int = 0;
+ best_mbmode.uv_mode = 0;
+ best_mbmode.mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
+ best_mbmode.partitioning = 0;
+ best_mbmode.dc_diff = 0;
+
+ vpx_memcpy(&x->e_mbd.mbmi, &best_mbmode, sizeof(MB_MODE_INFO));
+
+ for (i = 0; i < 16; i++)
+ {
+ vpx_memset(&x->e_mbd.block[i].bmi, 0, sizeof(B_MODE_INFO));
+ }
+
+ x->e_mbd.mbmi.mv.as_int = 0;
+
+ return best_rd;
+ }
+
+
+ // macroblock modes
+ vpx_memcpy(&x->e_mbd.mbmi, &best_mbmode, sizeof(MB_MODE_INFO));
+
+ if (x->e_mbd.mbmi.mode == B_PRED || x->e_mbd.mbmi.mode == SPLITMV)
+ for (i = 0; i < 16; i++)
+ {
+ vpx_memcpy(&x->e_mbd.block[i].bmi, &best_bmodes[i], sizeof(B_MODE_INFO));
+
+ }
+ else
+ {
+ vp8_set_mbmode_and_mvs(x, x->e_mbd.mbmi.mode, &best_bmodes[0].mv.as_mv);
+ }
+
+ x->e_mbd.mbmi.mv.as_mv = x->e_mbd.block[15].bmi.mv.as_mv;
+
+ return best_rd;
+}
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