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vpx/vp8/encoder/rdopt.c
Ronald S. Bultje adb8a160f9 tokenize: make local symbols static; give exported symbols a vp9_ prefix. 
Change-Id: I23aa5547b1e74f31327258dda0e330aae7ca1d35
2012-10-29 21:07:40 -07:00

4860 lines
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/*
* 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 <stdio.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
#include "vp8/common/pragmas.h"
#include "tokenize.h"
#include "treewriter.h"
#include "onyx_int.h"
#include "modecosts.h"
#include "encodeintra.h"
#include "vp8/common/entropymode.h"
#include "vp8/common/reconinter.h"
#include "vp8/common/reconintra.h"
#include "vp8/common/reconintra4x4.h"
#include "vp8/common/findnearmv.h"
#include "vp8/common/quant_common.h"
#include "encodemb.h"
#include "quantize.h"
#include "vp8/common/idct.h"
#include "vp8/common/g_common.h"
#include "variance.h"
#include "mcomp.h"
#include "rdopt.h"
#include "ratectrl.h"
#include "vpx_mem/vpx_mem.h"
#include "vp8/common/systemdependent.h"
#include "vp8/encoder/encodemv.h"
#include "vp8/common/seg_common.h"
#include "vp8/common/pred_common.h"
#include "vp8/common/entropy.h"
#include "vpx_rtcd.h"
#if CONFIG_NEWBESTREFMV
#include "vp8/common/mvref_common.h"
#endif
#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x) (x)
#else
#define IF_RTCD(x) NULL
#endif
extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x);
extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);
#define MAXF(a,b) (((a) > (b)) ? (a) : (b))
#define INVALID_MV 0x80008000
/* Factor to weigh the rate for switchable interp filters */
#define SWITCHABLE_INTERP_RATE_FACTOR 1
static const int auto_speed_thresh[17] = {
1000,
200,
150,
130,
150,
125,
120,
115,
115,
115,
115,
115,
115,
115,
115,
115,
105
};
#if CONFIG_PRED_FILTER
const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
{ZEROMV, LAST_FRAME, 0, 0},
{ZEROMV, LAST_FRAME, 0, 1},
{DC_PRED, INTRA_FRAME, 0, 0},
{NEARESTMV, LAST_FRAME, 0, 0},
{NEARESTMV, LAST_FRAME, 0, 1},
{NEARMV, LAST_FRAME, 0, 0},
{NEARMV, LAST_FRAME, 0, 1},
{ZEROMV, GOLDEN_FRAME, 0, 0},
{ZEROMV, GOLDEN_FRAME, 0, 1},
{NEARESTMV, GOLDEN_FRAME, 0, 0},
{NEARESTMV, GOLDEN_FRAME, 0, 1},
{ZEROMV, ALTREF_FRAME, 0, 0},
{ZEROMV, ALTREF_FRAME, 0, 1},
{NEARESTMV, ALTREF_FRAME, 0, 0},
{NEARESTMV, ALTREF_FRAME, 0, 1},
{NEARMV, GOLDEN_FRAME, 0, 0},
{NEARMV, GOLDEN_FRAME, 0, 1},
{NEARMV, ALTREF_FRAME, 0, 0},
{NEARMV, ALTREF_FRAME, 0, 1},
{V_PRED, INTRA_FRAME, 0, 0},
{H_PRED, INTRA_FRAME, 0, 0},
{D45_PRED, INTRA_FRAME, 0, 0},
{D135_PRED, INTRA_FRAME, 0, 0},
{D117_PRED, INTRA_FRAME, 0, 0},
{D153_PRED, INTRA_FRAME, 0, 0},
{D27_PRED, INTRA_FRAME, 0, 0},
{D63_PRED, INTRA_FRAME, 0, 0},
{TM_PRED, INTRA_FRAME, 0, 0},
{NEWMV, LAST_FRAME, 0, 0},
{NEWMV, LAST_FRAME, 0, 1},
{NEWMV, GOLDEN_FRAME, 0, 0},
{NEWMV, GOLDEN_FRAME, 0, 1},
{NEWMV, ALTREF_FRAME, 0, 0},
{NEWMV, ALTREF_FRAME, 0, 1},
{SPLITMV, LAST_FRAME, 0, 0},
{SPLITMV, GOLDEN_FRAME, 0, 0},
{SPLITMV, ALTREF_FRAME, 0, 0},
{B_PRED, INTRA_FRAME, 0, 0},
{I8X8_PRED, INTRA_FRAME, 0, 0},
/* compound prediction modes */
{ZEROMV, LAST_FRAME, GOLDEN_FRAME, 0},
{NEARESTMV, LAST_FRAME, GOLDEN_FRAME, 0},
{NEARMV, LAST_FRAME, GOLDEN_FRAME, 0},
{ZEROMV, ALTREF_FRAME, LAST_FRAME, 0},
{NEARESTMV, ALTREF_FRAME, LAST_FRAME, 0},
{NEARMV, ALTREF_FRAME, LAST_FRAME, 0},
{ZEROMV, GOLDEN_FRAME, ALTREF_FRAME, 0},
{NEARESTMV, GOLDEN_FRAME, ALTREF_FRAME, 0},
{NEARMV, GOLDEN_FRAME, ALTREF_FRAME, 0},
{NEWMV, LAST_FRAME, GOLDEN_FRAME, 0},
{NEWMV, ALTREF_FRAME, LAST_FRAME, 0},
{NEWMV, GOLDEN_FRAME, ALTREF_FRAME, 0},
{SPLITMV, LAST_FRAME, GOLDEN_FRAME, 0},
{SPLITMV, ALTREF_FRAME, LAST_FRAME, 0},
{SPLITMV, GOLDEN_FRAME, ALTREF_FRAME, 0}
};
#else
const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
{ZEROMV, LAST_FRAME, 0},
{DC_PRED, INTRA_FRAME, 0},
{NEARESTMV, LAST_FRAME, 0},
{NEARMV, LAST_FRAME, 0},
{ZEROMV, GOLDEN_FRAME, 0},
{NEARESTMV, GOLDEN_FRAME, 0},
{ZEROMV, ALTREF_FRAME, 0},
{NEARESTMV, ALTREF_FRAME, 0},
{NEARMV, GOLDEN_FRAME, 0},
{NEARMV, ALTREF_FRAME, 0},
{V_PRED, INTRA_FRAME, 0},
{H_PRED, INTRA_FRAME, 0},
{D45_PRED, INTRA_FRAME, 0},
{D135_PRED, INTRA_FRAME, 0},
{D117_PRED, INTRA_FRAME, 0},
{D153_PRED, INTRA_FRAME, 0},
{D27_PRED, INTRA_FRAME, 0},
{D63_PRED, INTRA_FRAME, 0},
{TM_PRED, INTRA_FRAME, 0},
{NEWMV, LAST_FRAME, 0},
{NEWMV, GOLDEN_FRAME, 0},
{NEWMV, ALTREF_FRAME, 0},
{SPLITMV, LAST_FRAME, 0},
{SPLITMV, GOLDEN_FRAME, 0},
{SPLITMV, ALTREF_FRAME, 0},
{B_PRED, INTRA_FRAME, 0},
{I8X8_PRED, INTRA_FRAME, 0},
/* compound prediction modes */
{ZEROMV, LAST_FRAME, GOLDEN_FRAME},
{NEARESTMV, LAST_FRAME, GOLDEN_FRAME},
{NEARMV, LAST_FRAME, GOLDEN_FRAME},
{ZEROMV, ALTREF_FRAME, LAST_FRAME},
{NEARESTMV, ALTREF_FRAME, LAST_FRAME},
{NEARMV, ALTREF_FRAME, LAST_FRAME},
{ZEROMV, GOLDEN_FRAME, ALTREF_FRAME},
{NEARESTMV, GOLDEN_FRAME, ALTREF_FRAME},
{NEARMV, GOLDEN_FRAME, ALTREF_FRAME},
{NEWMV, LAST_FRAME, GOLDEN_FRAME},
{NEWMV, ALTREF_FRAME, LAST_FRAME },
{NEWMV, GOLDEN_FRAME, ALTREF_FRAME},
{SPLITMV, LAST_FRAME, GOLDEN_FRAME},
{SPLITMV, ALTREF_FRAME, LAST_FRAME },
{SPLITMV, GOLDEN_FRAME, ALTREF_FRAME}
};
#endif
static void fill_token_costs(
unsigned int (*c)[COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS],
const vp8_prob(*p)[COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES],
int block_type_counts) {
int i, j, k;
for (i = 0; i < block_type_counts; i++)
for (j = 0; j < COEF_BANDS; j++)
for (k = 0; k < PREV_COEF_CONTEXTS; k++) {
if (k == 0 && ((j > 0 && i > 0) || (j > 1 && i == 0)))
vp8_cost_tokens_skip((int *)(c [i][j][k]),
p [i][j][k],
vp8_coef_tree);
else
vp8_cost_tokens((int *)(c [i][j][k]),
p [i][j][k],
vp8_coef_tree);
}
}
static int rd_iifactor [ 32 ] = { 4, 4, 3, 2, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
};
// 3* dc_qlookup[Q]*dc_qlookup[Q];
/* values are now correlated to quantizer */
static int sad_per_bit16lut[QINDEX_RANGE];
static int sad_per_bit4lut[QINDEX_RANGE];
void vp8_init_me_luts() {
int i;
// Initialize the sad lut tables using a formulaic calculation for now
// This is to make it easier to resolve the impact of experimental changes
// to the quantizer tables.
for (i = 0; i < QINDEX_RANGE; i++) {
sad_per_bit16lut[i] =
(int)((0.0418 * vp8_convert_qindex_to_q(i)) + 2.4107);
sad_per_bit4lut[i] = (int)((0.063 * vp8_convert_qindex_to_q(i)) + 2.742);
}
}
static int compute_rd_mult(int qindex) {
int q;
q = vp8_dc_quant(qindex, 0);
return (11 * q * q) >> 6;
}
void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex) {
cpi->mb.sadperbit16 = sad_per_bit16lut[QIndex];
cpi->mb.sadperbit4 = sad_per_bit4lut[QIndex];
}
void vp8_initialize_rd_consts(VP8_COMP *cpi, int QIndex) {
int q, i;
vp8_clear_system_state(); // __asm emms;
// Further tests required to see if optimum is different
// for key frames, golden frames and arf frames.
// if (cpi->common.refresh_golden_frame ||
// cpi->common.refresh_alt_ref_frame)
QIndex = (QIndex < 0) ? 0 : ((QIndex > MAXQ) ? MAXQ : QIndex);
cpi->RDMULT = compute_rd_mult(QIndex);
// Extend rate multiplier along side quantizer zbin increases
if (cpi->zbin_over_quant > 0) {
double oq_factor;
// Experimental code using the same basic equation as used for Q above
// The units of cpi->zbin_over_quant are 1/128 of Q bin size
oq_factor = 1.0 + ((double)0.0015625 * cpi->zbin_over_quant);
cpi->RDMULT = (int)((double)cpi->RDMULT * oq_factor * oq_factor);
}
if (cpi->pass == 2 && (cpi->common.frame_type != KEY_FRAME)) {
if (cpi->twopass.next_iiratio > 31)
cpi->RDMULT += (cpi->RDMULT * rd_iifactor[31]) >> 4;
else
cpi->RDMULT +=
(cpi->RDMULT * rd_iifactor[cpi->twopass.next_iiratio]) >> 4;
}
if (cpi->RDMULT < 7)
cpi->RDMULT = 7;
cpi->mb.errorperbit = (cpi->RDMULT / 110);
cpi->mb.errorperbit += (cpi->mb.errorperbit == 0);
vp8_set_speed_features(cpi);
q = (int)pow(vp8_dc_quant(QIndex, 0) >> 2, 1.25);
q = q << 2;
cpi->RDMULT = cpi->RDMULT << 4;
if (q < 8)
q = 8;
if (cpi->RDMULT > 1000) {
cpi->RDDIV = 1;
cpi->RDMULT /= 100;
for (i = 0; i < MAX_MODES; i++) {
if (cpi->sf.thresh_mult[i] < INT_MAX) {
cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q / 100;
} else {
cpi->rd_threshes[i] = INT_MAX;
}
cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
}
} else {
cpi->RDDIV = 100;
for (i = 0; i < MAX_MODES; i++) {
if (cpi->sf.thresh_mult[i] < (INT_MAX / q)) {
cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q;
} else {
cpi->rd_threshes[i] = INT_MAX;
}
cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
}
}
fill_token_costs(
cpi->mb.token_costs[TX_4X4],
(const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs,
BLOCK_TYPES);
fill_token_costs(
cpi->mb.hybrid_token_costs[TX_4X4],
(const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11])
cpi->common.fc.hybrid_coef_probs,
BLOCK_TYPES);
fill_token_costs(
cpi->mb.token_costs[TX_8X8],
(const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs_8x8,
BLOCK_TYPES_8X8);
fill_token_costs(
cpi->mb.hybrid_token_costs[TX_8X8],
(const vp8_prob( *)[8][PREV_COEF_CONTEXTS][11])
cpi->common.fc.hybrid_coef_probs_8x8,
BLOCK_TYPES_8X8);
fill_token_costs(
cpi->mb.token_costs[TX_16X16],
(const vp8_prob(*)[8][PREV_COEF_CONTEXTS][11]) cpi->common.fc.coef_probs_16x16,
BLOCK_TYPES_16X16);
fill_token_costs(
cpi->mb.hybrid_token_costs[TX_16X16],
(const vp8_prob(*)[8][PREV_COEF_CONTEXTS][11])
cpi->common.fc.hybrid_coef_probs_16x16,
BLOCK_TYPES_16X16);
/*rough estimate for costing*/
cpi->common.kf_ymode_probs_index = cpi->common.base_qindex >> 4;
vp8_init_mode_costs(cpi);
if (cpi->common.frame_type != KEY_FRAME)
{
vp8_build_nmv_cost_table(
cpi->mb.nmvjointcost,
cpi->mb.e_mbd.allow_high_precision_mv ?
cpi->mb.nmvcost_hp : cpi->mb.nmvcost,
&cpi->common.fc.nmvc,
cpi->mb.e_mbd.allow_high_precision_mv, 1, 1);
}
}
void vp8_auto_select_speed(VP8_COMP *cpi) {
int milliseconds_for_compress = (int)(1000000 / cpi->oxcf.frame_rate);
milliseconds_for_compress = milliseconds_for_compress * (16 - cpi->oxcf.cpu_used) / 16;
/*
// this is done during parameter valid check
if( cpi->oxcf.cpu_used > 16)
cpi->oxcf.cpu_used = 16;
if( cpi->oxcf.cpu_used < -16)
cpi->oxcf.cpu_used = -16;
*/
if (cpi->avg_pick_mode_time < milliseconds_for_compress &&
(cpi->avg_encode_time - cpi->avg_pick_mode_time) <
milliseconds_for_compress) {
if (cpi->avg_pick_mode_time == 0) {
cpi->Speed = 4;
} else {
if (milliseconds_for_compress * 100 < cpi->avg_encode_time * 95) {
cpi->Speed += 2;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
if (cpi->Speed > 16) {
cpi->Speed = 16;
}
}
if (milliseconds_for_compress * 100 >
cpi->avg_encode_time * auto_speed_thresh[cpi->Speed]) {
cpi->Speed -= 1;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
// In real-time mode, cpi->speed is in [4, 16].
if (cpi->Speed < 4) { // if ( cpi->Speed < 0 )
cpi->Speed = 4; // cpi->Speed = 0;
}
}
}
} else {
cpi->Speed += 4;
if (cpi->Speed > 16)
cpi->Speed = 16;
cpi->avg_pick_mode_time = 0;
cpi->avg_encode_time = 0;
}
}
int vp8_block_error_c(short *coeff, short *dqcoeff, int block_size) {
int i, error = 0;
for (i = 0; i < block_size; i++) {
int this_diff = coeff[i] - dqcoeff[i];
error += this_diff * this_diff;
}
return error;
}
int vp8_mbblock_error_c(MACROBLOCK *mb, int dc) {
BLOCK *be;
BLOCKD *bd;
int i, j;
int berror, error = 0;
for (i = 0; i < 16; i++) {
be = &mb->block[i];
bd = &mb->e_mbd.block[i];
berror = 0;
for (j = dc; j < 16; j++) {
int this_diff = be->coeff[j] - bd->dqcoeff[j];
berror += this_diff * this_diff;
}
error += berror;
}
return error;
}
int vp8_mbuverror_c(MACROBLOCK *mb) {
BLOCK *be;
BLOCKD *bd;
int i, error = 0;
for (i = 16; i < 24; i++) {
be = &mb->block[i];
bd = &mb->e_mbd.block[i];
error += vp8_block_error_c(be->coeff, bd->dqcoeff, 16);
}
return error;
}
int vp8_uvsse(MACROBLOCK *x) {
unsigned char *uptr, *vptr;
unsigned char *upred_ptr = (*(x->block[16].base_src) + x->block[16].src);
unsigned char *vpred_ptr = (*(x->block[20].base_src) + x->block[20].src);
int uv_stride = x->block[16].src_stride;
unsigned int sse1 = 0;
unsigned int sse2 = 0;
int mv_row = x->e_mbd.mode_info_context->mbmi.mv[0].as_mv.row;
int mv_col = x->e_mbd.mode_info_context->mbmi.mv[0].as_mv.col;
int offset;
int pre_stride = x->e_mbd.block[16].pre_stride;
if (mv_row < 0)
mv_row -= 1;
else
mv_row += 1;
if (mv_col < 0)
mv_col -= 1;
else
mv_col += 1;
mv_row /= 2;
mv_col /= 2;
offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
uptr = x->e_mbd.pre.u_buffer + offset;
vptr = x->e_mbd.pre.v_buffer + offset;
if ((mv_row | mv_col) & 7) {
vp8_sub_pixel_variance8x8(uptr, pre_stride, (mv_col & 7) << 1,
(mv_row & 7) << 1, upred_ptr, uv_stride, &sse2);
vp8_sub_pixel_variance8x8(vptr, pre_stride, (mv_col & 7) << 1,
(mv_row & 7) << 1, vpred_ptr, uv_stride, &sse1);
sse2 += sse1;
} else {
vp8_variance8x8(uptr, pre_stride, upred_ptr, uv_stride, &sse2);
vp8_variance8x8(vptr, pre_stride, vpred_ptr, uv_stride, &sse1);
sse2 += sse1;
}
return sse2;
}
static int cost_coeffs_2x2(MACROBLOCK *mb,
BLOCKD *b, PLANE_TYPE type,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l) {
int c = (type == PLANE_TYPE_Y_NO_DC); /* start at coef 0, unless Y with Y2 */
int eob = b->eob;
int pt; /* surrounding block/prev coef predictor */
int cost = 0;
short *qcoeff_ptr = b->qcoeff;
VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
assert(eob <= 4);
for (; c < eob; c++) {
int v = qcoeff_ptr[vp8_default_zig_zag1d[c]];
int t = vp8_dct_value_tokens_ptr[v].Token;
cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]][pt][t];
cost += vp8_dct_value_cost_ptr[v];
pt = vp8_prev_token_class[t];
}
if (c < 4)
cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]]
[pt] [DCT_EOB_TOKEN];
pt = (c != !type); // is eob first coefficient;
*a = *l = pt;
return cost;
}
static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int tx_size) {
const int eob = b->eob;
int c = (type == PLANE_TYPE_Y_NO_DC); /* start at coef 0, unless Y with Y2 */
int cost = 0, default_eob, seg_eob;
int pt; /* surrounding block/prev coef predictor */
int const *scan, *band;
short *qcoeff_ptr = b->qcoeff;
MACROBLOCKD *xd = &mb->e_mbd;
MB_MODE_INFO *mbmi = &mb->e_mbd.mode_info_context->mbmi;
TX_TYPE tx_type = DCT_DCT;
int segment_id = mbmi->segment_id;
switch (tx_size) {
case TX_4X4:
scan = vp8_default_zig_zag1d;
band = vp8_coef_bands;
default_eob = 16;
if (type == PLANE_TYPE_Y_WITH_DC) {
tx_type = get_tx_type_4x4(xd, b);
if (tx_type != DCT_DCT) {
switch (tx_type) {
case ADST_DCT:
scan = vp8_row_scan;
break;
case DCT_ADST:
scan = vp8_col_scan;
break;
default:
scan = vp8_default_zig_zag1d;
break;
}
}
}
break;
case TX_8X8:
scan = vp8_default_zig_zag1d_8x8;
band = vp8_coef_bands_8x8;
default_eob = 64;
if (type == PLANE_TYPE_Y_WITH_DC) {
BLOCKD *bb;
int ib = (b - xd->block);
if (ib < 16) {
ib = (ib & 8) + ((ib & 4) >> 1);
bb = xd->block + ib;
tx_type = get_tx_type_8x8(xd, bb);
}
}
break;
case TX_16X16:
scan = vp8_default_zig_zag1d_16x16;
band = vp8_coef_bands_16x16;
default_eob = 256;
if (type == PLANE_TYPE_Y_WITH_DC) {
tx_type = get_tx_type_16x16(xd, b);
}
break;
default:
break;
}
if (segfeature_active(&mb->e_mbd, segment_id, SEG_LVL_EOB))
seg_eob = get_segdata(&mb->e_mbd, segment_id, SEG_LVL_EOB);
else
seg_eob = default_eob;
VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
if (tx_type != DCT_DCT) {
for (; c < eob; c++) {
int v = qcoeff_ptr[scan[c]];
int t = vp8_dct_value_tokens_ptr[v].Token;
cost += mb->hybrid_token_costs[tx_size][type][band[c]][pt][t];
cost += vp8_dct_value_cost_ptr[v];
pt = vp8_prev_token_class[t];
}
if (c < seg_eob)
cost += mb->hybrid_token_costs[tx_size][type][band[c]]
[pt][DCT_EOB_TOKEN];
} else {
for (; c < eob; c++) {
int v = qcoeff_ptr[scan[c]];
int t = vp8_dct_value_tokens_ptr[v].Token;
cost += mb->token_costs[tx_size][type][band[c]][pt][t];
cost += vp8_dct_value_cost_ptr[v];
pt = vp8_prev_token_class[t];
}
if (c < seg_eob)
cost += mb->token_costs[tx_size][type][band[c]]
[pt][DCT_EOB_TOKEN];
}
pt = (c != !type); // is eob first coefficient;
*a = *l = pt;
return cost;
}
static int vp8_rdcost_mby(MACROBLOCK *mb) {
int cost = 0;
int b;
MACROBLOCKD *xd = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
for (b = 0; b < 16; b++)
cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
ta + vp8_block2above[b], tl + vp8_block2left[b],
TX_4X4);
cost += cost_coeffs(mb, xd->block + 24, PLANE_TYPE_Y2,
ta + vp8_block2above[24], tl + vp8_block2left[24],
TX_4X4);
return cost;
}
static void macro_block_yrd_4x4(MACROBLOCK *mb,
int *Rate,
int *Distortion,
const VP8_ENCODER_RTCD *rtcd,
int *skippable) {
int b;
MACROBLOCKD *const xd = &mb->e_mbd;
BLOCK *const mb_y2 = mb->block + 24;
BLOCKD *const x_y2 = xd->block + 24;
short *Y2DCPtr = mb_y2->src_diff;
BLOCK *beptr;
int d;
vp8_subtract_mby(mb->src_diff, *(mb->block[0].base_src), xd->predictor,
mb->block[0].src_stride);
// Fdct and building the 2nd order block
for (beptr = mb->block; beptr < mb->block + 16; beptr += 2) {
mb->vp8_short_fdct8x4(beptr->src_diff, beptr->coeff, 32);
*Y2DCPtr++ = beptr->coeff[0];
*Y2DCPtr++ = beptr->coeff[16];
}
// 2nd order fdct
mb->short_walsh4x4(mb_y2->src_diff, mb_y2->coeff, 8);
// Quantization
for (b = 0; b < 16; b++) {
mb->quantize_b_4x4(&mb->block[b], &xd->block[b]);
}
// DC predication and Quantization of 2nd Order block
mb->quantize_b_4x4(mb_y2, x_y2);
// Distortion
d = vp8_mbblock_error(mb, 1);
d += vp8_block_error(mb_y2->coeff, x_y2->dqcoeff, 16);
*Distortion = (d >> 2);
// rate
*Rate = vp8_rdcost_mby(mb);
*skippable = vp9_mby_is_skippable_4x4(&mb->e_mbd, 1);
}
static int vp8_rdcost_mby_8x8(MACROBLOCK *mb, int backup) {
int cost = 0;
int b;
MACROBLOCKD *xd = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta;
ENTROPY_CONTEXT *tl;
if (backup) {
vpx_memcpy(&t_above,xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
} else {
ta = (ENTROPY_CONTEXT *)mb->e_mbd.above_context;
tl = (ENTROPY_CONTEXT *)mb->e_mbd.left_context;
}
for (b = 0; b < 16; b += 4)
cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
ta + vp8_block2above_8x8[b], tl + vp8_block2left_8x8[b],
TX_8X8);
cost += cost_coeffs_2x2(mb, xd->block + 24, PLANE_TYPE_Y2,
ta + vp8_block2above[24], tl + vp8_block2left[24]);
return cost;
}
static void macro_block_yrd_8x8(MACROBLOCK *mb,
int *Rate,
int *Distortion,
const VP8_ENCODER_RTCD *rtcd,
int *skippable) {
MACROBLOCKD *const xd = &mb->e_mbd;
BLOCK *const mb_y2 = mb->block + 24;
BLOCKD *const x_y2 = xd->block + 24;
int d;
vp8_subtract_mby(mb->src_diff, *(mb->block[0].base_src), xd->predictor,
mb->block[0].src_stride);
vp8_transform_mby_8x8(mb);
vp8_quantize_mby_8x8(mb);
/* remove 1st order dc to properly combine 1st/2nd order distortion */
mb->coeff[0] = 0;
mb->coeff[64] = 0;
mb->coeff[128] = 0;
mb->coeff[192] = 0;
xd->dqcoeff[0] = 0;
xd->dqcoeff[64] = 0;
xd->dqcoeff[128] = 0;
xd->dqcoeff[192] = 0;
d = vp8_mbblock_error(mb, 0);
d += vp8_block_error(mb_y2->coeff, x_y2->dqcoeff, 16);
*Distortion = (d >> 2);
// rate
*Rate = vp8_rdcost_mby_8x8(mb, 1);
*skippable = vp9_mby_is_skippable_8x8(&mb->e_mbd, 1);
}
static int vp8_rdcost_mby_16x16(MACROBLOCK *mb) {
int cost;
MACROBLOCKD *xd = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
cost = cost_coeffs(mb, xd->block, PLANE_TYPE_Y_WITH_DC, ta, tl, TX_16X16);
return cost;
}
static void macro_block_yrd_16x16(MACROBLOCK *mb, int *Rate, int *Distortion,
const VP8_ENCODER_RTCD *rtcd, int *skippable) {
int d;
MACROBLOCKD *xd = &mb->e_mbd;
BLOCKD *b = &mb->e_mbd.block[0];
BLOCK *be = &mb->block[0];
TX_TYPE tx_type;
vp8_subtract_mby(mb->src_diff, *(mb->block[0].base_src), mb->e_mbd.predictor,
mb->block[0].src_stride);
tx_type = get_tx_type_16x16(xd, b);
if (tx_type != DCT_DCT) {
vp8_fht_c(be->src_diff, be->coeff, 32, tx_type, 16);
} else
vp8_transform_mby_16x16(mb);
vp8_quantize_mby_16x16(mb);
// TODO(jingning) is it possible to quickly determine whether to force
// trailing coefficients to be zero, instead of running trellis
// optimization in the rate-distortion optimization loop?
if (mb->e_mbd.mode_info_context->mbmi.mode < I8X8_PRED)
vp8_optimize_mby_16x16(mb, rtcd);
d = vp8_mbblock_error(mb, 0);
*Distortion = (d >> 2);
// rate
*Rate = vp8_rdcost_mby_16x16(mb);
*skippable = vp9_mby_is_skippable_16x16(&mb->e_mbd);
}
static void macro_block_yrd(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int *skippable,
int64_t txfm_cache[NB_TXFM_MODES]) {
VP8_COMMON *cm = &cpi->common;
MB_MODE_INFO *mbmi = &x->e_mbd.mode_info_context->mbmi;
MACROBLOCKD *xd = &x->e_mbd;
int can_skip = cm->mb_no_coeff_skip;
vp8_prob skip_prob = can_skip ? vp9_get_pred_prob(cm, xd, PRED_MBSKIP) : 128;
int s0, s1;
int r4x4, r4x4s, r8x8, r8x8s, d4x4, d8x8, s4x4, s8x8;
int64_t rd4x4, rd8x8, rd4x4s, rd8x8s;
int d16x16, r16x16, r16x16s, s16x16;
int64_t rd16x16, rd16x16s;
// FIXME don't do sub x3
if (skip_prob == 0)
skip_prob = 1;
s0 = vp8_cost_bit(skip_prob, 0);
s1 = vp8_cost_bit(skip_prob, 1);
macro_block_yrd_16x16(x, &r16x16, &d16x16, IF_RTCD(&cpi->rtcd), &s16x16);
if (can_skip) {
if (s16x16) {
rd16x16 = RDCOST(x->rdmult, x->rddiv, s1, d16x16);
} else {
rd16x16 = RDCOST(x->rdmult, x->rddiv, r16x16 + s0, d16x16);
}
} else {
rd16x16 = RDCOST(x->rdmult, x->rddiv, r16x16, d16x16);
}
r16x16s = r16x16 + vp8_cost_one(cm->prob_tx[0]) + vp8_cost_one(cm->prob_tx[1]);
if (can_skip) {
if (s16x16) {
rd16x16s = RDCOST(x->rdmult, x->rddiv, s1, d16x16);
} else {
rd16x16s = RDCOST(x->rdmult, x->rddiv, r16x16s + s0, d16x16);
}
} else {
rd16x16s = RDCOST(x->rdmult, x->rddiv, r16x16s, d16x16);
}
macro_block_yrd_8x8(x, &r8x8, &d8x8, IF_RTCD(&cpi->rtcd), &s8x8);
if (can_skip) {
if (s8x8) {
rd8x8 = RDCOST(x->rdmult, x->rddiv, s1, d8x8);
} else {
rd8x8 = RDCOST(x->rdmult, x->rddiv, r8x8 + s0, d8x8);
}
} else {
rd8x8 = RDCOST(x->rdmult, x->rddiv, r8x8, d8x8);
}
r8x8s = r8x8 + vp8_cost_one(cm->prob_tx[0]);
r8x8s += vp8_cost_zero(cm->prob_tx[1]);
if (can_skip) {
if (s8x8) {
rd8x8s = RDCOST(x->rdmult, x->rddiv, s1, d8x8);
} else {
rd8x8s = RDCOST(x->rdmult, x->rddiv, r8x8s + s0, d8x8);
}
} else {
rd8x8s = RDCOST(x->rdmult, x->rddiv, r8x8s, d8x8);
}
macro_block_yrd_4x4(x, &r4x4, &d4x4, IF_RTCD(&cpi->rtcd), &s4x4);
if (can_skip) {
if (s4x4) {
rd4x4 = RDCOST(x->rdmult, x->rddiv, s1, d4x4);
} else {
rd4x4 = RDCOST(x->rdmult, x->rddiv, r4x4 + s0, d4x4);
}
} else {
rd4x4 = RDCOST(x->rdmult, x->rddiv, r4x4, d4x4);
}
r4x4s = r4x4 + vp8_cost_zero(cm->prob_tx[0]);
if (can_skip) {
if (s4x4) {
rd4x4s = RDCOST(x->rdmult, x->rddiv, s1, d4x4);
} else {
rd4x4s = RDCOST(x->rdmult, x->rddiv, r4x4s + s0, d4x4);
}
} else {
rd4x4s = RDCOST(x->rdmult, x->rddiv, r4x4s, d4x4);
}
if ( cpi->common.txfm_mode == ALLOW_16X16 ||
(cpi->common.txfm_mode == TX_MODE_SELECT &&
rd16x16s < rd8x8s && rd16x16s < rd4x4s)) {
mbmi->txfm_size = TX_16X16;
*skippable = s16x16;
*distortion = d16x16;
*rate = (cpi->common.txfm_mode == ALLOW_16X16) ? r16x16 : r16x16s;
} else
if ( cpi->common.txfm_mode == ALLOW_8X8 ||
(cpi->common.txfm_mode == TX_MODE_SELECT && rd8x8s < rd4x4s)) {
mbmi->txfm_size = TX_8X8;
*skippable = s8x8;
*distortion = d8x8;
*rate = (cpi->common.txfm_mode == ALLOW_8X8) ? r8x8 : r8x8s;
} else {
assert(cpi->common.txfm_mode == ONLY_4X4 ||
(cpi->common.txfm_mode == TX_MODE_SELECT && rd4x4s <= rd8x8s));
mbmi->txfm_size = TX_4X4;
*skippable = s4x4;
*distortion = d4x4;
*rate = (cpi->common.txfm_mode == ONLY_4X4) ? r4x4 : r4x4s;
}
txfm_cache[ONLY_4X4] = rd4x4;
txfm_cache[ALLOW_8X8] = rd8x8;
txfm_cache[ALLOW_16X16] = rd16x16;
if (rd16x16s < rd8x8s && rd16x16s < rd4x4s)
txfm_cache[TX_MODE_SELECT] = rd16x16s;
else
txfm_cache[TX_MODE_SELECT] = rd4x4s < rd8x8s ? rd4x4s : rd8x8s;
}
static void copy_predictor(unsigned char *dst, const unsigned char *predictor) {
const unsigned int *p = (const unsigned int *)predictor;
unsigned int *d = (unsigned int *)dst;
d[0] = p[0];
d[4] = p[4];
d[8] = p[8];
d[12] = p[12];
}
#if CONFIG_SUPERBLOCKS
static void super_block_yrd_8x8(MACROBLOCK *x,
int *rate,
int *distortion,
const VP8_ENCODER_RTCD *rtcd, int *skip)
{
MACROBLOCKD *const xd = &x->e_mbd;
BLOCK *const by2 = x->block + 24;
BLOCKD *const bdy2 = xd->block + 24;
int d = 0, r = 0, n;
const uint8_t *src = x->src.y_buffer, *dst = xd->dst.y_buffer;
int src_y_stride = x->src.y_stride, dst_y_stride = xd->dst.y_stride;
ENTROPY_CONTEXT_PLANES *ta = xd->above_context;
ENTROPY_CONTEXT_PLANES *tl = xd->left_context;
ENTROPY_CONTEXT_PLANES t_above[2];
ENTROPY_CONTEXT_PLANES t_left[2];
int skippable = 1;
vpx_memcpy(t_above, xd->above_context, sizeof(t_above));
vpx_memcpy(t_left, xd->left_context, sizeof(t_left));
for (n = 0; n < 4; n++) {
int x_idx = n & 1, y_idx = n >> 1;
vp8_subtract_mby_s_c(x->src_diff,
src + x_idx * 16 + y_idx * 16 * src_y_stride,
src_y_stride,
dst + x_idx * 16 + y_idx * 16 * dst_y_stride,
dst_y_stride);
vp8_transform_mby_8x8(x);
vp8_quantize_mby_8x8(x);
/* remove 1st order dc to properly combine 1st/2nd order distortion */
x->coeff[ 0] = 0;
x->coeff[ 64] = 0;
x->coeff[128] = 0;
x->coeff[192] = 0;
xd->dqcoeff[ 0] = 0;
xd->dqcoeff[ 64] = 0;
xd->dqcoeff[128] = 0;
xd->dqcoeff[192] = 0;
d += vp8_mbblock_error(x, 0);
d += vp8_block_error(by2->coeff, bdy2->dqcoeff, 16);
xd->above_context = ta + x_idx;
xd->left_context = tl + y_idx;
r += vp8_rdcost_mby_8x8(x, 0);
skippable = skippable && vp9_mby_is_skippable_8x8(xd, 1);
}
*distortion = (d >> 2);
*rate = r;
if (skip) *skip = skippable;
xd->above_context = ta;
xd->left_context = tl;
vpx_memcpy(xd->above_context, &t_above, sizeof(t_above));
vpx_memcpy(xd->left_context, &t_left, sizeof(t_left));
}
#endif
static void copy_predictor_8x8(unsigned char *dst, const unsigned char *predictor) {
const unsigned int *p = (const unsigned int *)predictor;
unsigned int *d = (unsigned int *)dst;
d[0] = p[0];
d[1] = p[1];
d[4] = p[4];
d[5] = p[5];
d[8] = p[8];
d[9] = p[9];
d[12] = p[12];
d[13] = p[13];
d[16] = p[16];
d[17] = p[17];
d[20] = p[20];
d[21] = p[21];
d[24] = p[24];
d[25] = p[25];
d[28] = p[28];
d[29] = p[29];
}
static int64_t rd_pick_intra4x4block(VP8_COMP *cpi, MACROBLOCK *x, BLOCK *be,
BLOCKD *b, B_PREDICTION_MODE *best_mode,
#if CONFIG_COMP_INTRA_PRED
B_PREDICTION_MODE *best_second_mode,
int allow_comp,
#endif
int *bmode_costs,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int *bestrate, int *bestratey,
int *bestdistortion) {
B_PREDICTION_MODE mode;
MACROBLOCKD *xd = &x->e_mbd;
#if CONFIG_COMP_INTRA_PRED
B_PREDICTION_MODE mode2;
#endif
int64_t best_rd = INT64_MAX;
int rate = 0;
int distortion;
ENTROPY_CONTEXT ta = *a, tempa = *a;
ENTROPY_CONTEXT tl = *l, templ = *l;
TX_TYPE tx_type = DCT_DCT;
TX_TYPE best_tx_type = DCT_DCT;
/*
* The predictor buffer is a 2d buffer with a stride of 16. Create
* a temp buffer that meets the stride requirements, but we are only
* interested in the left 4x4 block
* */
DECLARE_ALIGNED_ARRAY(16, unsigned char, best_predictor, 16 * 4);
DECLARE_ALIGNED_ARRAY(16, short, best_dqcoeff, 16);
for (mode = B_DC_PRED; mode <= B_HU_PRED; mode++) {
#if CONFIG_COMP_INTRA_PRED
for (mode2 = (allow_comp ? 0 : (B_DC_PRED - 1));
mode2 != (allow_comp ? (mode + 1) : 0); mode2++) {
#endif
int64_t this_rd;
int ratey;
b->bmi.as_mode.first = mode;
rate = bmode_costs[mode];
#if CONFIG_COMP_INTRA_PRED
if (mode2 == (B_PREDICTION_MODE)(B_DC_PRED - 1)) {
#endif
vp8_intra4x4_predict(b, mode, b->predictor);
#if CONFIG_COMP_INTRA_PRED
} else {
vp8_comp_intra4x4_predict(b, mode, mode2, b->predictor);
rate += bmode_costs[mode2];
}
#endif
vp8_subtract_b(be, b, 16);
b->bmi.as_mode.first = mode;
tx_type = get_tx_type_4x4(xd, b);
if (tx_type != DCT_DCT) {
vp8_fht_c(be->src_diff, be->coeff, 32, tx_type, 4);
vp8_ht_quantize_b_4x4(be, b, tx_type);
} else {
x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
x->quantize_b_4x4(be, b);
}
tempa = ta;
templ = tl;
ratey = cost_coeffs(x, b, PLANE_TYPE_Y_WITH_DC, &tempa, &templ, TX_4X4);
rate += ratey;
distortion = vp8_block_error(be->coeff, b->dqcoeff, 16) >> 2;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
*bestrate = rate;
*bestratey = ratey;
*bestdistortion = distortion;
best_rd = this_rd;
*best_mode = mode;
best_tx_type = tx_type;
#if CONFIG_COMP_INTRA_PRED
*best_second_mode = mode2;
#endif
*a = tempa;
*l = templ;
copy_predictor(best_predictor, b->predictor);
vpx_memcpy(best_dqcoeff, b->dqcoeff, 32);
}
#if CONFIG_COMP_INTRA_PRED
}
#endif
}
b->bmi.as_mode.first = (B_PREDICTION_MODE)(*best_mode);
#if CONFIG_COMP_INTRA_PRED
b->bmi.as_mode.second = (B_PREDICTION_MODE)(*best_second_mode);
#endif
// inverse transform
if (best_tx_type != DCT_DCT)
vp8_ihtllm_c(best_dqcoeff, b->diff, 32, best_tx_type, 4);
else
IDCT_INVOKE(IF_RTCD(&cpi->rtcd.common->idct), idct16)(
best_dqcoeff, b->diff, 32);
vp8_recon_b(best_predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
return best_rd;
}
static int64_t rd_pick_intra4x4mby_modes(VP8_COMP *cpi, MACROBLOCK *mb, int *Rate,
int *rate_y, int *Distortion, int64_t best_rd,
#if CONFIG_COMP_INTRA_PRED
int allow_comp,
#endif
int update_contexts) {
int i;
MACROBLOCKD *const xd = &mb->e_mbd;
int cost = mb->mbmode_cost [xd->frame_type] [B_PRED];
int distortion = 0;
int tot_rate_y = 0;
int64_t total_rd = 0;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
int *bmode_costs;
if (update_contexts) {
ta = (ENTROPY_CONTEXT *)xd->above_context;
tl = (ENTROPY_CONTEXT *)xd->left_context;
} else {
vpx_memcpy(&t_above, xd->above_context,
sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context,
sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
}
xd->mode_info_context->mbmi.mode = B_PRED;
bmode_costs = mb->inter_bmode_costs;
for (i = 0; i < 16; i++) {
MODE_INFO *const mic = xd->mode_info_context;
const int mis = xd->mode_info_stride;
B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode);
#if CONFIG_COMP_INTRA_PRED
B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_second_mode);
#endif
int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(ry), UNINITIALIZED_IS_SAFE(d);
if (xd->frame_type == KEY_FRAME) {
const B_PREDICTION_MODE A = above_block_mode(mic, i, mis);
const B_PREDICTION_MODE L = left_block_mode(mic, i);
bmode_costs = mb->bmode_costs[A][L];
}
total_rd += rd_pick_intra4x4block(
cpi, mb, mb->block + i, xd->block + i, &best_mode,
#if CONFIG_COMP_INTRA_PRED
& best_second_mode, allow_comp,
#endif
bmode_costs, ta + vp8_block2above[i],
tl + vp8_block2left[i], &r, &ry, &d);
cost += r;
distortion += d;
tot_rate_y += ry;
mic->bmi[i].as_mode.first = best_mode;
#if CONFIG_COMP_INTRA_PRED
mic->bmi[i].as_mode.second = best_second_mode;
#endif
if (total_rd >= best_rd)
break;
}
if (total_rd >= best_rd)
return INT64_MAX;
#if CONFIG_COMP_INTRA_PRED
cost += vp8_cost_bit(128, allow_comp);
#endif
*Rate = cost;
*rate_y += tot_rate_y;
*Distortion = distortion;
return RDCOST(mb->rdmult, mb->rddiv, cost, distortion);
}
#if CONFIG_SUPERBLOCKS
static int64_t rd_pick_intra_sby_mode(VP8_COMP *cpi,
MACROBLOCK *x,
int *rate,
int *rate_tokenonly,
int *distortion,
int *skippable) {
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
int this_rate, this_rate_tokenonly;
int this_distortion, s;
int64_t best_rd = INT64_MAX, this_rd;
/* Y Search for 32x32 intra prediction mode */
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
x->e_mbd.mode_info_context->mbmi.mode = mode;
vp8_build_intra_predictors_sby_s(&x->e_mbd);
super_block_yrd_8x8(x, &this_rate_tokenonly,
&this_distortion, IF_RTCD(&cpi->rtcd), &s);
this_rate = this_rate_tokenonly +
x->mbmode_cost[x->e_mbd.frame_type]
[x->e_mbd.mode_info_context->mbmi.mode];
this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion);
if (this_rd < best_rd) {
mode_selected = mode;
best_rd = this_rd;
*rate = this_rate;
*rate_tokenonly = this_rate_tokenonly;
*distortion = this_distortion;
*skippable = s;
}
}
x->e_mbd.mode_info_context->mbmi.mode = mode_selected;
return best_rd;
}
#endif
static int64_t rd_pick_intra16x16mby_mode(VP8_COMP *cpi,
MACROBLOCK *x,
int *Rate,
int *rate_y,
int *Distortion,
int *skippable,
int64_t txfm_cache[NB_TXFM_MODES]) {
MB_PREDICTION_MODE mode;
TX_SIZE txfm_size;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
#if CONFIG_COMP_INTRA_PRED
MB_PREDICTION_MODE mode2;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode2_selected);
#endif
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int rate, ratey;
int distortion, skip;
int64_t best_rd = INT64_MAX;
int64_t this_rd;
MACROBLOCKD *xd = &x->e_mbd;
int i;
for (i = 0; i < NB_TXFM_MODES; i++)
txfm_cache[i] = INT64_MAX;
// Y Search for 16x16 intra prediction mode
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
int64_t local_txfm_cache[NB_TXFM_MODES];
mbmi->mode = mode;
#if CONFIG_COMP_INTRA_PRED
for (mode2 = DC_PRED - 1; mode2 != TM_PRED + 1; mode2++) {
mbmi->second_mode = mode2;
if (mode2 == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
#endif
vp8_build_intra_predictors_mby(&x->e_mbd);
#if CONFIG_COMP_INTRA_PRED
} else {
continue; // i.e. disable for now
vp8_build_comp_intra_predictors_mby(&x->e_mbd);
}
#endif
macro_block_yrd(cpi, x, &ratey, &distortion, &skip, local_txfm_cache);
// FIXME add compoundmode cost
// FIXME add rate for mode2
rate = ratey + x->mbmode_cost[x->e_mbd.frame_type][mbmi->mode];
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
mode_selected = mode;
txfm_size = mbmi->txfm_size;
#if CONFIG_COMP_INTRA_PRED
mode2_selected = mode2;
#endif
best_rd = this_rd;
*Rate = rate;
*rate_y = ratey;
*Distortion = distortion;
*skippable = skip;
}
for (i = 0; i < NB_TXFM_MODES; i++) {
int64_t adj_rd = this_rd + local_txfm_cache[i] -
local_txfm_cache[cpi->common.txfm_mode];
if (adj_rd < txfm_cache[i]) {
txfm_cache[i] = adj_rd;
}
}
#if CONFIG_COMP_INTRA_PRED
}
#endif
}
mbmi->txfm_size = txfm_size;
mbmi->mode = mode_selected;
#if CONFIG_COMP_INTRA_PRED
mbmi->second_mode = mode2_selected;
#endif
return best_rd;
}
static int64_t rd_pick_intra8x8block(VP8_COMP *cpi, MACROBLOCK *x, int ib,
B_PREDICTION_MODE *best_mode,
#if CONFIG_COMP_INTRA_PRED
B_PREDICTION_MODE *best_second_mode,
#endif
int *mode_costs,
ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l,
int *bestrate, int *bestratey,
int *bestdistortion) {
MB_PREDICTION_MODE mode;
#if CONFIG_COMP_INTRA_PRED
MB_PREDICTION_MODE mode2;
#endif
MACROBLOCKD *xd = &x->e_mbd;
int64_t best_rd = INT64_MAX;
int distortion, rate = 0;
BLOCK *be = x->block + ib;
BLOCKD *b = xd->block + ib;
ENTROPY_CONTEXT ta0, ta1, besta0 = 0, besta1 = 0;
ENTROPY_CONTEXT tl0, tl1, bestl0 = 0, bestl1 = 0;
/*
* The predictor buffer is a 2d buffer with a stride of 16. Create
* a temp buffer that meets the stride requirements, but we are only
* interested in the left 8x8 block
* */
DECLARE_ALIGNED_ARRAY(16, unsigned char, best_predictor, 16 * 8);
DECLARE_ALIGNED_ARRAY(16, short, best_dqcoeff, 16 * 4);
// perform transformation of dimension 8x8
// note the input and output index mapping
int idx = (ib & 0x02) ? (ib + 2) : ib;
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
#if CONFIG_COMP_INTRA_PRED
for (mode2 = DC_PRED - 1; mode2 != TM_PRED + 1; mode2++) {
#endif
int64_t this_rd;
int rate_t;
// FIXME rate for compound mode and second intrapred mode
rate = mode_costs[mode];
b->bmi.as_mode.first = mode;
#if CONFIG_COMP_INTRA_PRED
if (mode2 == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
#endif
vp8_intra8x8_predict(b, mode, b->predictor);
#if CONFIG_COMP_INTRA_PRED
} else {
continue; // i.e. disable for now
vp8_comp_intra8x8_predict(b, mode, mode2, b->predictor);
}
#endif
vp8_subtract_4b_c(be, b, 16);
if (xd->mode_info_context->mbmi.txfm_size == TX_8X8) {
TX_TYPE tx_type = get_tx_type_8x8(xd, b);
if (tx_type != DCT_DCT)
vp8_fht_c(be->src_diff, (x->block + idx)->coeff, 32, tx_type, 8);
else
x->vp8_short_fdct8x8(be->src_diff, (x->block + idx)->coeff, 32);
x->quantize_b_8x8(x->block + idx, xd->block + idx);
// compute quantization mse of 8x8 block
distortion = vp8_block_error_c((x->block + idx)->coeff,
(xd->block + idx)->dqcoeff, 64);
ta0 = a[vp8_block2above_8x8[idx]];
tl0 = l[vp8_block2left_8x8[idx]];
rate_t = cost_coeffs(x, xd->block + idx, PLANE_TYPE_Y_WITH_DC,
&ta0, &tl0, TX_8X8);
rate += rate_t;
ta1 = ta0;
tl1 = tl0;
} else {
x->vp8_short_fdct8x4(be->src_diff, be->coeff, 32);
x->vp8_short_fdct8x4((be + 4)->src_diff, (be + 4)->coeff, 32);
x->quantize_b_4x4_pair(x->block + ib, x->block + ib + 1,
xd->block + ib, xd->block + ib + 1);
x->quantize_b_4x4_pair(x->block + ib + 4, x->block + ib + 5,
xd->block + ib + 4, xd->block + ib + 5);
distortion = vp8_block_error_c((x->block + ib)->coeff,
(xd->block + ib)->dqcoeff, 16);
distortion += vp8_block_error_c((x->block + ib + 1)->coeff,
(xd->block + ib + 1)->dqcoeff, 16);
distortion += vp8_block_error_c((x->block + ib + 4)->coeff,
(xd->block + ib + 4)->dqcoeff, 16);
distortion += vp8_block_error_c((x->block + ib + 5)->coeff,
(xd->block + ib + 5)->dqcoeff, 16);
ta0 = a[vp8_block2above[ib]];
ta1 = a[vp8_block2above[ib + 1]];
tl0 = l[vp8_block2left[ib]];
tl1 = l[vp8_block2left[ib + 4]];
rate_t = cost_coeffs(x, xd->block + ib, PLANE_TYPE_Y_WITH_DC,
&ta0, &tl0, TX_4X4);
rate_t += cost_coeffs(x, xd->block + ib + 1, PLANE_TYPE_Y_WITH_DC,
&ta1, &tl0, TX_4X4);
rate_t += cost_coeffs(x, xd->block + ib + 4, PLANE_TYPE_Y_WITH_DC,
&ta0, &tl1, TX_4X4);
rate_t += cost_coeffs(x, xd->block + ib + 5, PLANE_TYPE_Y_WITH_DC,
&ta1, &tl1, TX_4X4);
rate += rate_t;
}
distortion >>= 2;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
*bestrate = rate;
*bestratey = rate_t;
*bestdistortion = distortion;
besta0 = ta0;
besta1 = ta1;
bestl0 = tl0;
bestl1 = tl1;
best_rd = this_rd;
*best_mode = mode;
#if CONFIG_COMP_INTRA_PRED
*best_second_mode = mode2;
#endif
copy_predictor_8x8(best_predictor, b->predictor);
vpx_memcpy(best_dqcoeff, b->dqcoeff, 64);
vpx_memcpy(best_dqcoeff + 32, b->dqcoeff + 64, 64);
#if CONFIG_COMP_INTRA_PRED
}
#endif
}
}
b->bmi.as_mode.first = (*best_mode);
#if CONFIG_COMP_INTRA_PRED
b->bmi.as_mode.second = (*best_second_mode);
#endif
vp8_encode_intra8x8(IF_RTCD(&cpi->rtcd), x, ib);
if (xd->mode_info_context->mbmi.txfm_size == TX_8X8) {
a[vp8_block2above_8x8[idx]] = besta0;
a[vp8_block2above_8x8[idx] + 1] = besta1;
l[vp8_block2left_8x8[idx]] = bestl0;
l[vp8_block2left_8x8[idx] + 1] = bestl1;
} else {
a[vp8_block2above[ib]] = besta0;
a[vp8_block2above[ib + 1]] = besta1;
l[vp8_block2left[ib]] = bestl0;
l[vp8_block2left[ib + 4]] = bestl1;
}
return best_rd;
}
static int64_t rd_pick_intra8x8mby_modes(VP8_COMP *cpi, MACROBLOCK *mb,
int *Rate, int *rate_y,
int *Distortion, int64_t best_rd) {
MACROBLOCKD *const xd = &mb->e_mbd;
int i, ib;
int cost = mb->mbmode_cost [xd->frame_type] [I8X8_PRED];
int distortion = 0;
int tot_rate_y = 0;
long long total_rd = 0;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
int *i8x8mode_costs;
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
xd->mode_info_context->mbmi.mode = I8X8_PRED;
i8x8mode_costs = mb->i8x8_mode_costs;
for (i = 0; i < 4; i++) {
MODE_INFO *const mic = xd->mode_info_context;
B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode);
#if CONFIG_COMP_INTRA_PRED
B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_second_mode);
#endif
int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(ry), UNINITIALIZED_IS_SAFE(d);
ib = vp8_i8x8_block[i];
total_rd += rd_pick_intra8x8block(
cpi, mb, ib, &best_mode,
#if CONFIG_COMP_INTRA_PRED
& best_second_mode,
#endif
i8x8mode_costs, ta, tl, &r, &ry, &d);
cost += r;
distortion += d;
tot_rate_y += ry;
mic->bmi[ib].as_mode.first = best_mode;
#if CONFIG_COMP_INTRA_PRED
mic->bmi[ib].as_mode.second = best_second_mode;
#endif
}
*Rate = cost;
*rate_y += tot_rate_y;
*Distortion = distortion;
return RDCOST(mb->rdmult, mb->rddiv, cost, distortion);
}
static int rd_cost_mbuv(MACROBLOCK *mb) {
int b;
int cost = 0;
MACROBLOCKD *xd = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
for (b = 16; b < 24; b++)
cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_UV,
ta + vp8_block2above[b], tl + vp8_block2left[b],
TX_4X4);
return cost;
}
static int64_t rd_inter16x16_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int fullpixel, int *skip) {
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->e_mbd.predictor, x->src.uv_stride);
vp8_transform_mbuv_4x4(x);
vp8_quantize_mbuv_4x4(x);
*rate = rd_cost_mbuv(x);
*distortion = vp8_mbuverror(x) / 4;
*skip = vp9_mbuv_is_skippable_4x4(&x->e_mbd);
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
static int rd_cost_mbuv_8x8(MACROBLOCK *mb, int backup) {
int b;
int cost = 0;
MACROBLOCKD *xd = &mb->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
if (backup) {
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
} else {
ta = (ENTROPY_CONTEXT *)mb->e_mbd.above_context;
tl = (ENTROPY_CONTEXT *)mb->e_mbd.left_context;
}
for (b = 16; b < 24; b += 4)
cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_UV,
ta + vp8_block2above_8x8[b],
tl + vp8_block2left_8x8[b], TX_8X8);
return cost;
}
#if CONFIG_SUPERBLOCKS
static int64_t rd_inter32x32_uv_8x8(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int fullpixel, int *skip) {
MACROBLOCKD *xd = &x->e_mbd;
int n, r = 0, d = 0;
const uint8_t *usrc = x->src.u_buffer, *udst = xd->dst.u_buffer;
const uint8_t *vsrc = x->src.v_buffer, *vdst = xd->dst.v_buffer;
int src_uv_stride = x->src.uv_stride, dst_uv_stride = xd->dst.uv_stride;
int skippable = 1;
ENTROPY_CONTEXT_PLANES t_above[2], t_left[2];
ENTROPY_CONTEXT_PLANES *ta = xd->above_context;
ENTROPY_CONTEXT_PLANES *tl = xd->left_context;
memcpy(t_above, xd->above_context, sizeof(t_above));
memcpy(t_left, xd->left_context, sizeof(t_left));
for (n = 0; n < 4; n++) {
int x_idx = n & 1, y_idx = n >> 1;
vp8_subtract_mbuv_s_c(x->src_diff,
usrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
vsrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
src_uv_stride,
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
dst_uv_stride);
vp8_transform_mbuv_8x8(x);
vp8_quantize_mbuv_8x8(x);
xd->above_context = ta + x_idx;
xd->left_context = tl + y_idx;
r += rd_cost_mbuv_8x8(x, 0);
d += vp8_mbuverror(x) / 4;
skippable = skippable && vp9_mbuv_is_skippable_8x8(xd);
}
*rate = r;
*distortion = d;
if (skip) *skip = skippable;
xd->left_context = tl;
xd->above_context = ta;
memcpy(xd->above_context, t_above, sizeof(t_above));
memcpy(xd->left_context, t_left, sizeof(t_left));
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
#endif
static int64_t rd_inter16x16_uv_8x8(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int fullpixel, int *skip) {
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->e_mbd.predictor, x->src.uv_stride);
vp8_transform_mbuv_8x8(x);
vp8_quantize_mbuv_8x8(x);
*rate = rd_cost_mbuv_8x8(x, 1);
*distortion = vp8_mbuverror(x) / 4;
*skip = vp9_mbuv_is_skippable_8x8(&x->e_mbd);
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
static int64_t rd_inter4x4_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
int *distortion, int *skippable, int fullpixel) {
vp8_build_inter4x4_predictors_mbuv(&x->e_mbd);
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->e_mbd.predictor, x->src.uv_stride);
vp8_transform_mbuv_4x4(x);
vp8_quantize_mbuv_4x4(x);
*rate = rd_cost_mbuv(x);
*distortion = vp8_mbuverror(x) / 4;
*skippable = vp9_mbuv_is_skippable_4x4(&x->e_mbd);
return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}
static void rd_pick_intra_mbuv_mode(VP8_COMP *cpi,
MACROBLOCK *x,
int *rate,
int *rate_tokenonly,
int *distortion,
int *skippable) {
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
#if CONFIG_COMP_INTRA_PRED
MB_PREDICTION_MODE mode2;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode2_selected);
#endif
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int64_t best_rd = INT64_MAX;
int UNINITIALIZED_IS_SAFE(d), UNINITIALIZED_IS_SAFE(r);
int rate_to, UNINITIALIZED_IS_SAFE(skip);
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
#if CONFIG_COMP_INTRA_PRED
for (mode2 = DC_PRED - 1; mode2 != TM_PRED + 1; mode2++) {
#endif
int rate;
int distortion;
int64_t this_rd;
mbmi->uv_mode = mode;
#if CONFIG_COMP_INTRA_PRED
mbmi->second_uv_mode = mode2;
if (mode2 == (MB_PREDICTION_MODE)(DC_PRED - 1)) {
#endif
vp8_build_intra_predictors_mbuv(&x->e_mbd);
#if CONFIG_COMP_INTRA_PRED
} else {
continue;
vp8_build_comp_intra_predictors_mbuv(&x->e_mbd);
}
#endif
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->e_mbd.predictor, x->src.uv_stride);
vp8_transform_mbuv_4x4(x);
vp8_quantize_mbuv_4x4(x);
rate_to = rd_cost_mbuv(x);
rate = rate_to
+ x->intra_uv_mode_cost[x->e_mbd.frame_type][mbmi->uv_mode];
distortion = vp8_mbuverror(x) / 4;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
skip = vp9_mbuv_is_skippable_4x4(xd);
best_rd = this_rd;
d = distortion;
r = rate;
*rate_tokenonly = rate_to;
mode_selected = mode;
#if CONFIG_COMP_INTRA_PRED
mode2_selected = mode2;
}
#endif
}
}
*rate = r;
*distortion = d;
*skippable = skip;
mbmi->uv_mode = mode_selected;
#if CONFIG_COMP_INTRA_PRED
mbmi->second_uv_mode = mode2_selected;
#endif
}
static void rd_pick_intra_mbuv_mode_8x8(VP8_COMP *cpi,
MACROBLOCK *x,
int *rate,
int *rate_tokenonly,
int *distortion,
int *skippable) {
MACROBLOCKD *xd = &x->e_mbd;
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int64_t best_rd = INT64_MAX;
int UNINITIALIZED_IS_SAFE(d), UNINITIALIZED_IS_SAFE(r);
int rate_to, UNINITIALIZED_IS_SAFE(skip);
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
int rate;
int distortion;
int64_t this_rd;
mbmi->uv_mode = mode;
vp8_build_intra_predictors_mbuv(&x->e_mbd);
vp8_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
x->e_mbd.predictor, x->src.uv_stride);
vp8_transform_mbuv_8x8(x);
vp8_quantize_mbuv_8x8(x);
rate_to = rd_cost_mbuv_8x8(x, 1);
rate = rate_to + x->intra_uv_mode_cost[x->e_mbd.frame_type][mbmi->uv_mode];
distortion = vp8_mbuverror(x) / 4;
this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
if (this_rd < best_rd) {
skip = vp9_mbuv_is_skippable_8x8(xd);
best_rd = this_rd;
d = distortion;
r = rate;
*rate_tokenonly = rate_to;
mode_selected = mode;
}
}
*rate = r;
*distortion = d;
*skippable = skip;
mbmi->uv_mode = mode_selected;
}
#if CONFIG_SUPERBLOCKS
static void super_block_uvrd_8x8(MACROBLOCK *x,
int *rate,
int *distortion,
const VP8_ENCODER_RTCD *rtcd,
int *skippable) {
MACROBLOCKD *const xd = &x->e_mbd;
int d = 0, r = 0, n, s = 1;
const uint8_t *usrc = x->src.u_buffer, *udst = xd->dst.u_buffer;
const uint8_t *vsrc = x->src.v_buffer, *vdst = xd->dst.v_buffer;
int src_uv_stride = x->src.uv_stride, dst_uv_stride = xd->dst.uv_stride;
ENTROPY_CONTEXT_PLANES t_above[2], t_left[2];
ENTROPY_CONTEXT_PLANES *ta = xd->above_context;
ENTROPY_CONTEXT_PLANES *tl = xd->left_context;
memcpy(t_above, xd->above_context, sizeof(t_above));
memcpy(t_left, xd->left_context, sizeof(t_left));
for (n = 0; n < 4; n++) {
int x_idx = n & 1, y_idx = n >> 1;
vp8_subtract_mbuv_s_c(x->src_diff,
usrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
vsrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
src_uv_stride,
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
dst_uv_stride);
vp8_transform_mbuv_8x8(x);
vp8_quantize_mbuv_8x8(x);
s &= vp9_mbuv_is_skippable_8x8(xd);
d += vp8_mbuverror(x) >> 2;
xd->above_context = ta + x_idx;
xd->left_context = tl + y_idx;
r += rd_cost_mbuv_8x8(x, 0);
}
xd->above_context = ta;
xd->left_context = tl;
*distortion = d;
*rate = r;
*skippable = s;
xd->left_context = tl;
xd->above_context = ta;
memcpy(xd->above_context, t_above, sizeof(t_above));
memcpy(xd->left_context, t_left, sizeof(t_left));
}
static int64_t rd_pick_intra_sbuv_mode(VP8_COMP *cpi,
MACROBLOCK *x,
int *rate,
int *rate_tokenonly,
int *distortion,
int *skippable) {
MB_PREDICTION_MODE mode;
MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
int64_t best_rd = INT64_MAX, this_rd;
int this_rate_tokenonly, this_rate;
int this_distortion, s;
for (mode = DC_PRED; mode <= TM_PRED; mode++) {
x->e_mbd.mode_info_context->mbmi.uv_mode = mode;
vp8_build_intra_predictors_sbuv_s(&x->e_mbd);
super_block_uvrd_8x8(x, &this_rate_tokenonly,
&this_distortion, IF_RTCD(&cpi->rtcd), &s);
this_rate = this_rate_tokenonly +
x->mbmode_cost[x->e_mbd.frame_type]
[x->e_mbd.mode_info_context->mbmi.mode];
this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion);
if (this_rd < best_rd) {
mode_selected = mode;
best_rd = this_rd;
*rate = this_rate;
*rate_tokenonly = this_rate_tokenonly;
*distortion = this_distortion;
*skippable = s;
}
}
x->e_mbd.mode_info_context->mbmi.uv_mode = mode_selected;
return best_rd;
}
#endif
int vp8_cost_mv_ref(VP8_COMP *cpi,
MB_PREDICTION_MODE m,
const int near_mv_ref_ct[4]) {
MACROBLOCKD *xd = &cpi->mb.e_mbd;
int segment_id = xd->mode_info_context->mbmi.segment_id;
// If the mode coding is done entirely at the segment level
// we should not account for it at the per mb level in rd code.
// Note that if the segment level coding is expanded from single mode
// to multiple mode masks as per reference frame coding we will need
// to do something different here.
if (!segfeature_active(xd, segment_id, SEG_LVL_MODE)) {
VP8_COMMON *pc = &cpi->common;
vp8_prob p [VP8_MVREFS - 1];
assert(NEARESTMV <= m && m <= SPLITMV);
vp8_mv_ref_probs(pc, p, near_mv_ref_ct);
return vp8_cost_token(vp8_mv_ref_tree, p,
vp8_mv_ref_encoding_array - NEARESTMV + m);
} else
return 0;
}
void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, int_mv *mv) {
x->e_mbd.mode_info_context->mbmi.mode = mb;
x->e_mbd.mode_info_context->mbmi.mv[0].as_int = mv->as_int;
}
static int labels2mode(
MACROBLOCK *x,
int const *labelings, int which_label,
B_PREDICTION_MODE this_mode,
int_mv *this_mv, int_mv *this_second_mv,
int_mv seg_mvs[MAX_REF_FRAMES - 1],
int_mv *best_ref_mv,
int_mv *second_best_ref_mv,
DEC_MVCOSTS) {
MACROBLOCKD *const xd = &x->e_mbd;
MODE_INFO *const mic = xd->mode_info_context;
MB_MODE_INFO * mbmi = &mic->mbmi;
const int mis = xd->mode_info_stride;
int i, cost = 0, thismvcost = 0;
/* We have to be careful retrieving previously-encoded motion vectors.
Ones from this macroblock have to be pulled from the BLOCKD array
as they have not yet made it to the bmi array in our MB_MODE_INFO. */
for (i = 0; i < 16; ++i) {
BLOCKD *const d = xd->block + i;
const int row = i >> 2, col = i & 3;
B_PREDICTION_MODE m;
if (labelings[i] != which_label)
continue;
if (col && labelings[i] == labelings[i - 1])
m = LEFT4X4;
else if (row && labelings[i] == labelings[i - 4])
m = ABOVE4X4;
else {
// the only time we should do costing for new motion vector or mode
// is when we are on a new label (jbb May 08, 2007)
switch (m = this_mode) {
case NEW4X4 :
if (mbmi->second_ref_frame) {
this_mv->as_int = seg_mvs[mbmi->ref_frame - 1].as_int;
this_second_mv->as_int =
seg_mvs[mbmi->second_ref_frame - 1].as_int;
}
thismvcost = vp8_mv_bit_cost(this_mv, best_ref_mv, MVCOSTS,
102, xd->allow_high_precision_mv);
if (mbmi->second_ref_frame) {
thismvcost += vp8_mv_bit_cost(this_second_mv, second_best_ref_mv,
MVCOSTS, 102,
xd->allow_high_precision_mv);
}
break;
case LEFT4X4:
this_mv->as_int = col ? d[-1].bmi.as_mv.first.as_int : left_block_mv(mic, i);
if (mbmi->second_ref_frame)
this_second_mv->as_int = col ? d[-1].bmi.as_mv.second.as_int : left_block_second_mv(mic, i);
break;
case ABOVE4X4:
this_mv->as_int = row ? d[-4].bmi.as_mv.first.as_int : above_block_mv(mic, i, mis);
if (mbmi->second_ref_frame)
this_second_mv->as_int = row ? d[-4].bmi.as_mv.second.as_int : above_block_second_mv(mic, i, mis);
break;
case ZERO4X4:
this_mv->as_int = 0;
if (mbmi->second_ref_frame)
this_second_mv->as_int = 0;
break;
default:
break;
}
if (m == ABOVE4X4) { // replace above with left if same
int_mv left_mv, left_second_mv;
left_second_mv.as_int = 0;
left_mv.as_int = col ? d[-1].bmi.as_mv.first.as_int :
left_block_mv(mic, i);
if (mbmi->second_ref_frame)
left_second_mv.as_int = col ? d[-1].bmi.as_mv.second.as_int :
left_block_second_mv(mic, i);
if (left_mv.as_int == this_mv->as_int &&
(!mbmi->second_ref_frame ||
left_second_mv.as_int == this_second_mv->as_int))
m = LEFT4X4;
}
cost = x->inter_bmode_costs[ m];
}
d->bmi.as_mv.first.as_int = this_mv->as_int;
if (mbmi->second_ref_frame)
d->bmi.as_mv.second.as_int = this_second_mv->as_int;
x->partition_info->bmi[i].mode = m;
x->partition_info->bmi[i].mv.as_int = this_mv->as_int;
if (mbmi->second_ref_frame)
x->partition_info->bmi[i].second_mv.as_int = this_second_mv->as_int;
}
cost += thismvcost;
return cost;
}
static int64_t encode_inter_mb_segment(MACROBLOCK *x,
int const *labels,
int which_label,
int *labelyrate,
int *distortion,
ENTROPY_CONTEXT *ta,
ENTROPY_CONTEXT *tl,
const VP8_ENCODER_RTCD *rtcd) {
int i;
MACROBLOCKD *xd = &x->e_mbd;
*labelyrate = 0;
*distortion = 0;
for (i = 0; i < 16; i++) {
if (labels[i] == which_label) {
BLOCKD *bd = &x->e_mbd.block[i];
BLOCK *be = &x->block[i];
int thisdistortion;
vp8_build_inter_predictors_b(bd, 16, xd->subpixel_predict);
if (xd->mode_info_context->mbmi.second_ref_frame)
vp8_build_2nd_inter_predictors_b(bd, 16, xd->subpixel_predict_avg);
vp8_subtract_b(be, bd, 16);
x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
x->quantize_b_4x4(be, bd);
thisdistortion = vp8_block_error(be->coeff, bd->dqcoeff, 16);
*distortion += thisdistortion;
*labelyrate += cost_coeffs(x, bd, PLANE_TYPE_Y_WITH_DC,
ta + vp8_block2above[i],
tl + vp8_block2left[i], TX_4X4);
}
}
*distortion >>= 2;
return RDCOST(x->rdmult, x->rddiv, *labelyrate, *distortion);
}
static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
int const *labels,
int which_label,
int *labelyrate,
int *distortion,
int64_t *otherrd,
ENTROPY_CONTEXT *ta,
ENTROPY_CONTEXT *tl,
const VP8_ENCODER_RTCD *rtcd) {
int i, j;
MACROBLOCKD *xd = &x->e_mbd;
const int iblock[4] = { 0, 1, 4, 5 };
int othercost = 0, otherdist = 0;
ENTROPY_CONTEXT_PLANES tac, tlc;
ENTROPY_CONTEXT *tacp = (ENTROPY_CONTEXT *) &tac,
*tlcp = (ENTROPY_CONTEXT *) &tlc;
if (otherrd) {
memcpy(&tac, ta, sizeof(ENTROPY_CONTEXT_PLANES));
memcpy(&tlc, tl, sizeof(ENTROPY_CONTEXT_PLANES));
}
*distortion = 0;
*labelyrate = 0;
for (i = 0; i < 4; i++) {
int ib = vp8_i8x8_block[i];
if (labels[ib] == which_label) {
int idx = (ib & 8) + ((ib & 2) << 1);
BLOCKD *bd = &xd->block[ib], *bd2 = &xd->block[idx];
BLOCK *be = &x->block[ib], *be2 = &x->block[idx];
int thisdistortion;
vp8_build_inter_predictors4b(xd, bd, 16);
if (xd->mode_info_context->mbmi.second_ref_frame)
vp8_build_2nd_inter_predictors4b(xd, bd, 16);
vp8_subtract_4b_c(be, bd, 16);
if (xd->mode_info_context->mbmi.txfm_size == TX_4X4) {
if (otherrd) {
x->vp8_short_fdct8x8(be->src_diff, be2->coeff, 32);
x->quantize_b_8x8(be2, bd2);
thisdistortion = vp8_block_error_c(be2->coeff, bd2->dqcoeff, 64);
otherdist += thisdistortion;
othercost += cost_coeffs(x, bd2, PLANE_TYPE_Y_WITH_DC,
tacp + vp8_block2above_8x8[idx],
tlcp + vp8_block2left_8x8[idx], TX_8X8);
}
for (j = 0; j < 4; j += 2) {
bd = &xd->block[ib + iblock[j]];
be = &x->block[ib + iblock[j]];
x->vp8_short_fdct8x4(be->src_diff, be->coeff, 32);
x->quantize_b_4x4_pair(be, be + 1, bd, bd + 1);
thisdistortion = vp8_block_error_c(be->coeff, bd->dqcoeff, 32);
*distortion += thisdistortion;
*labelyrate += cost_coeffs(x, bd, PLANE_TYPE_Y_WITH_DC,
ta + vp8_block2above[ib + iblock[j]],
tl + vp8_block2left[ib + iblock[j]],
TX_4X4);
*labelyrate += cost_coeffs(x, bd + 1, PLANE_TYPE_Y_WITH_DC,
ta + vp8_block2above[ib + iblock[j] + 1],
tl + vp8_block2left[ib + iblock[j]],
TX_4X4);
}
} else /* 8x8 */ {
if (otherrd) {
for (j = 0; j < 4; j += 2) {
BLOCKD *bd3 = &xd->block[ib + iblock[j]];
BLOCK *be3 = &x->block[ib + iblock[j]];
x->vp8_short_fdct8x4(be3->src_diff, be3->coeff, 32);
x->quantize_b_4x4_pair(be3, be3 + 1, bd3, bd3 + 1);
thisdistortion = vp8_block_error_c(be3->coeff, bd3->dqcoeff, 32);
otherdist += thisdistortion;
othercost += cost_coeffs(x, bd3, PLANE_TYPE_Y_WITH_DC,
tacp + vp8_block2above[ib + iblock[j]],
tlcp + vp8_block2left[ib + iblock[j]],
TX_4X4);
othercost += cost_coeffs(x, bd3 + 1, PLANE_TYPE_Y_WITH_DC,
tacp + vp8_block2above[ib + iblock[j] + 1],
tlcp + vp8_block2left[ib + iblock[j]],
TX_4X4);
}
}
x->vp8_short_fdct8x8(be->src_diff, be2->coeff, 32);
x->quantize_b_8x8(be2, bd2);
thisdistortion = vp8_block_error_c(be2->coeff, bd2->dqcoeff, 64);
*distortion += thisdistortion;
*labelyrate += cost_coeffs(x, bd2, PLANE_TYPE_Y_WITH_DC,
ta + vp8_block2above_8x8[idx],
tl + vp8_block2left_8x8[idx], TX_8X8);
}
}
}
*distortion >>= 2;
if (otherrd) {
otherdist >>= 2;
*otherrd = RDCOST(x->rdmult, x->rddiv, othercost, otherdist);
}
return RDCOST(x->rdmult, x->rddiv, *labelyrate, *distortion);
}
static const unsigned int segmentation_to_sseshift[4] = {3, 3, 2, 0};
typedef struct {
int_mv *ref_mv, *second_ref_mv;
int_mv mvp;
int64_t segment_rd;
SPLITMV_PARTITIONING_TYPE segment_num;
TX_SIZE txfm_size;
int r;
int d;
int segment_yrate;
B_PREDICTION_MODE modes[16];
int_mv mvs[16], second_mvs[16];
int eobs[16];
int mvthresh;
int *mdcounts;
int_mv sv_mvp[4]; // save 4 mvp from 8x8
int sv_istep[2]; // save 2 initial step_param for 16x8/8x16
} BEST_SEG_INFO;
static __inline
int mv_check_bounds(MACROBLOCK *x, int_mv *mv) {
int r = 0;
r |= (mv->as_mv.row >> 3) < x->mv_row_min;
r |= (mv->as_mv.row >> 3) > x->mv_row_max;
r |= (mv->as_mv.col >> 3) < x->mv_col_min;
r |= (mv->as_mv.col >> 3) > x->mv_col_max;
return r;
}
static void rd_check_segment_txsize(VP8_COMP *cpi, MACROBLOCK *x,
BEST_SEG_INFO *bsi,
SPLITMV_PARTITIONING_TYPE segmentation,
TX_SIZE tx_size, int64_t *otherrds,
int64_t *rds, int *completed,
/* 16 = n_blocks */
int_mv seg_mvs[16 /* n_blocks */]
[MAX_REF_FRAMES - 1]) {
int i, j;
int const *labels;
int br = 0, bd = 0;
B_PREDICTION_MODE this_mode;
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int label_count;
int64_t this_segment_rd = 0, other_segment_rd;
int label_mv_thresh;
int rate = 0;
int sbr = 0, sbd = 0;
int segmentyrate = 0;
int best_eobs[16] = { 0 };
vp8_variance_fn_ptr_t *v_fn_ptr;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT *ta, *tl;
ENTROPY_CONTEXT_PLANES t_above_b, t_left_b;
ENTROPY_CONTEXT *ta_b, *tl_b;
vpx_memcpy(&t_above, x->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, x->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
ta = (ENTROPY_CONTEXT *)&t_above;
tl = (ENTROPY_CONTEXT *)&t_left;
ta_b = (ENTROPY_CONTEXT *)&t_above_b;
tl_b = (ENTROPY_CONTEXT *)&t_left_b;
v_fn_ptr = &cpi->fn_ptr[segmentation];
labels = vp8_mbsplits[segmentation];
label_count = vp8_mbsplit_count[segmentation];
// 64 makes this threshold really big effectively
// making it so that we very rarely check mvs on
// segments. setting this to 1 would make mv thresh
// roughly equal to what it is for macroblocks
label_mv_thresh = 1 * bsi->mvthresh / label_count;
// Segmentation method overheads
rate = vp8_cost_token(vp8_mbsplit_tree, vp8_mbsplit_probs,
vp8_mbsplit_encodings + segmentation);
rate += vp8_cost_mv_ref(cpi, SPLITMV, bsi->mdcounts);
this_segment_rd += RDCOST(x->rdmult, x->rddiv, rate, 0);
br += rate;
other_segment_rd = this_segment_rd;
mbmi->txfm_size = tx_size;
for (i = 0; i < label_count && this_segment_rd < bsi->segment_rd; i++) {
int_mv mode_mv[B_MODE_COUNT], second_mode_mv[B_MODE_COUNT];
int64_t best_label_rd = INT64_MAX, best_other_rd = INT64_MAX;
B_PREDICTION_MODE mode_selected = ZERO4X4;
int bestlabelyrate = 0;
// search for the best motion vector on this segment
for (this_mode = LEFT4X4; this_mode <= NEW4X4; this_mode ++) {
int64_t this_rd, other_rd;
int distortion;
int labelyrate;
ENTROPY_CONTEXT_PLANES t_above_s, t_left_s;
ENTROPY_CONTEXT *ta_s;
ENTROPY_CONTEXT *tl_s;
vpx_memcpy(&t_above_s, &t_above, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left_s, &t_left, sizeof(ENTROPY_CONTEXT_PLANES));
ta_s = (ENTROPY_CONTEXT *)&t_above_s;
tl_s = (ENTROPY_CONTEXT *)&t_left_s;
// motion search for newmv (single predictor case only)
if (!mbmi->second_ref_frame && this_mode == NEW4X4) {
int sseshift, n;
int step_param = 0;
int further_steps;
int thissme, bestsme = INT_MAX;
BLOCK *c;
BLOCKD *e;
/* Is the best so far sufficiently good that we cant justify doing
* and new motion search. */
if (best_label_rd < label_mv_thresh)
break;
if (cpi->compressor_speed) {
if (segmentation == PARTITIONING_8X16 ||
segmentation == PARTITIONING_16X8) {
bsi->mvp.as_int = bsi->sv_mvp[i].as_int;
if (i == 1 && segmentation == PARTITIONING_16X8)
bsi->mvp.as_int = bsi->sv_mvp[2].as_int;
step_param = bsi->sv_istep[i];
}
// use previous block's result as next block's MV predictor.
if (segmentation == PARTITIONING_4X4 && i > 0) {
bsi->mvp.as_int = x->e_mbd.block[i - 1].bmi.as_mv.first.as_int;
if (i == 4 || i == 8 || i == 12)
bsi->mvp.as_int = x->e_mbd.block[i - 4].bmi.as_mv.first.as_int;
step_param = 2;
}
}
further_steps = (MAX_MVSEARCH_STEPS - 1) - step_param;
{
int sadpb = x->sadperbit4;
int_mv mvp_full;
mvp_full.as_mv.row = bsi->mvp.as_mv.row >> 3;
mvp_full.as_mv.col = bsi->mvp.as_mv.col >> 3;
// find first label
n = vp8_mbsplit_offset[segmentation][i];
c = &x->block[n];
e = &x->e_mbd.block[n];
bestsme = vp8_full_pixel_diamond(cpi, x, c, e, &mvp_full, step_param,
sadpb, further_steps, 0, v_fn_ptr,
bsi->ref_mv, &mode_mv[NEW4X4]);
sseshift = segmentation_to_sseshift[segmentation];
// Should we do a full search (best quality only)
if ((cpi->compressor_speed == 0) && (bestsme >> sseshift) > 4000) {
/* Check if mvp_full is within the range. */
vp8_clamp_mv(&mvp_full, x->mv_col_min, x->mv_col_max,
x->mv_row_min, x->mv_row_max);
thissme = cpi->full_search_sad(x, c, e, &mvp_full,
sadpb, 16, v_fn_ptr,
XMVCOST, bsi->ref_mv);
if (thissme < bestsme) {
bestsme = thissme;
mode_mv[NEW4X4].as_int = e->bmi.as_mv.first.as_int;
} else {
/* The full search result is actually worse so re-instate the
* previous best vector */
e->bmi.as_mv.first.as_int = mode_mv[NEW4X4].as_int;
}
}
}
if (bestsme < INT_MAX) {
int distortion;
unsigned int sse;
cpi->find_fractional_mv_step(x, c, e, &mode_mv[NEW4X4],
bsi->ref_mv, x->errorperbit, v_fn_ptr,
XMVCOST, &distortion, &sse);
// safe motion search result for use in compound prediction
seg_mvs[i][mbmi->ref_frame - 1].as_int = mode_mv[NEW4X4].as_int;
}
} /* NEW4X4 */
else if (mbmi->second_ref_frame && this_mode == NEW4X4) {
/* motion search not completed? Then skip newmv for this block with
* comppred */
if (seg_mvs[i][mbmi->second_ref_frame - 1].as_int == INVALID_MV ||
seg_mvs[i][mbmi->ref_frame - 1].as_int == INVALID_MV) {
continue;
}
}
rate = labels2mode(x, labels, i, this_mode, &mode_mv[this_mode],
&second_mode_mv[this_mode], seg_mvs[i],
bsi->ref_mv, bsi->second_ref_mv, XMVCOST);
// Trap vectors that reach beyond the UMV borders
if (((mode_mv[this_mode].as_mv.row >> 3) < x->mv_row_min) ||
((mode_mv[this_mode].as_mv.row >> 3) > x->mv_row_max) ||
((mode_mv[this_mode].as_mv.col >> 3) < x->mv_col_min) ||
((mode_mv[this_mode].as_mv.col >> 3) > x->mv_col_max)) {
continue;
}
if (mbmi->second_ref_frame &&
mv_check_bounds(x, &second_mode_mv[this_mode]))
continue;
if (segmentation == PARTITIONING_4X4) {
this_rd = encode_inter_mb_segment(x, labels, i, &labelyrate,
&distortion,
ta_s, tl_s, IF_RTCD(&cpi->rtcd));
other_rd = this_rd;
} else {
this_rd = encode_inter_mb_segment_8x8(x, labels, i, &labelyrate,
&distortion, &other_rd,
ta_s, tl_s, IF_RTCD(&cpi->rtcd));
}
this_rd += RDCOST(x->rdmult, x->rddiv, rate, 0);
rate += labelyrate;
if (this_rd < best_label_rd) {
sbr = rate;
sbd = distortion;
bestlabelyrate = labelyrate;
mode_selected = this_mode;
best_label_rd = this_rd;
if (x->e_mbd.mode_info_context->mbmi.txfm_size == TX_4X4) {
for (j = 0; j < 16; j++)
if (labels[j] == i)
best_eobs[j] = x->e_mbd.block[j].eob;
} else {
for (j = 0; j < 4; j++) {
int ib = vp8_i8x8_block[j], idx = j * 4;
if (labels[ib] == i)
best_eobs[idx] = x->e_mbd.block[idx].eob;
}
}
if (other_rd < best_other_rd)
best_other_rd = other_rd;
vpx_memcpy(ta_b, ta_s, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(tl_b, tl_s, sizeof(ENTROPY_CONTEXT_PLANES));
}
} /*for each 4x4 mode*/
vpx_memcpy(ta, ta_b, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(tl, tl_b, sizeof(ENTROPY_CONTEXT_PLANES));
labels2mode(x, labels, i, mode_selected, &mode_mv[mode_selected],
&second_mode_mv[mode_selected], seg_mvs[i],
bsi->ref_mv, bsi->second_ref_mv, XMVCOST);
br += sbr;
bd += sbd;
segmentyrate += bestlabelyrate;
this_segment_rd += best_label_rd;
other_segment_rd += best_other_rd;
if (rds)
rds[i] = this_segment_rd;
if (otherrds)
otherrds[i] = other_segment_rd;
} /* for each label */
if (this_segment_rd < bsi->segment_rd) {
bsi->r = br;
bsi->d = bd;
bsi->segment_yrate = segmentyrate;
bsi->segment_rd = this_segment_rd;
bsi->segment_num = segmentation;
bsi->txfm_size = mbmi->txfm_size;
// store everything needed to come back to this!!
for (i = 0; i < 16; i++) {
BLOCKD *bd = &x->e_mbd.block[i];
bsi->mvs[i].as_mv = x->partition_info->bmi[i].mv.as_mv;
if (mbmi->second_ref_frame)
bsi->second_mvs[i].as_mv = x->partition_info->bmi[i].second_mv.as_mv;
bsi->modes[i] = x->partition_info->bmi[i].mode;
bsi->eobs[i] = best_eobs[i];
}
}
if (completed) {
*completed = i;
}
}
static void rd_check_segment(VP8_COMP *cpi, MACROBLOCK *x,
BEST_SEG_INFO *bsi,
unsigned int segmentation,
/* 16 = n_blocks */
int_mv seg_mvs[16][MAX_REF_FRAMES - 1],
int64_t txfm_cache[NB_TXFM_MODES]) {
int i, n, c = vp8_mbsplit_count[segmentation];
if (segmentation == PARTITIONING_4X4) {
int64_t rd[16];
rd_check_segment_txsize(cpi, x, bsi, segmentation, TX_4X4, NULL,
rd, &n, seg_mvs);
if (n == c) {
for (i = 0; i < NB_TXFM_MODES; i++) {
if (rd[c - 1] < txfm_cache[i])
txfm_cache[i] = rd[c - 1];
}
}
} else {
int64_t diff, base_rd;
int cost4x4 = vp8_cost_bit(cpi->common.prob_tx[0], 0);
int cost8x8 = vp8_cost_bit(cpi->common.prob_tx[0], 1);
if (cpi->common.txfm_mode == TX_MODE_SELECT) {
int64_t rd4x4[4], rd8x8[4];
int n4x4, n8x8, nmin;
BEST_SEG_INFO bsi4x4, bsi8x8;
/* factor in cost of cost4x4/8x8 in decision */
vpx_memcpy(&bsi4x4, bsi, sizeof(*bsi));
vpx_memcpy(&bsi8x8, bsi, sizeof(*bsi));
rd_check_segment_txsize(cpi, x, &bsi4x4, segmentation,
TX_4X4, NULL, rd4x4, &n4x4, seg_mvs);
rd_check_segment_txsize(cpi, x, &bsi8x8, segmentation,
TX_8X8, NULL, rd8x8, &n8x8, seg_mvs);
if (bsi4x4.segment_num == segmentation) {
bsi4x4.segment_rd += RDCOST(x->rdmult, x->rddiv, cost4x4, 0);
if (bsi4x4.segment_rd < bsi->segment_rd)
vpx_memcpy(bsi, &bsi4x4, sizeof(*bsi));
}
if (bsi8x8.segment_num == segmentation) {
bsi8x8.segment_rd += RDCOST(x->rdmult, x->rddiv, cost8x8, 0);
if (bsi8x8.segment_rd < bsi->segment_rd)
vpx_memcpy(bsi, &bsi8x8, sizeof(*bsi));
}
n = n4x4 > n8x8 ? n4x4 : n8x8;
if (n == c) {
nmin = n4x4 < n8x8 ? n4x4 : n8x8;
diff = rd8x8[nmin - 1] - rd4x4[nmin - 1];
if (n == n4x4) {
base_rd = rd4x4[c - 1];
} else {
base_rd = rd8x8[c - 1] - diff;
}
}
} else {
int64_t rd[4], otherrd[4];
if (cpi->common.txfm_mode == ONLY_4X4) {
rd_check_segment_txsize(cpi, x, bsi, segmentation, TX_4X4, otherrd,
rd, &n, seg_mvs);
if (n == c) {
base_rd = rd[c - 1];
diff = otherrd[c - 1] - rd[c - 1];
}
} else /* use 8x8 transform */ {
rd_check_segment_txsize(cpi, x, bsi, segmentation, TX_8X8, otherrd,
rd, &n, seg_mvs);
if (n == c) {
diff = rd[c - 1] - otherrd[c - 1];
base_rd = otherrd[c - 1];
}
}
}
if (n == c) {
if (base_rd < txfm_cache[ONLY_4X4]) {
txfm_cache[ONLY_4X4] = base_rd;
}
if (base_rd + diff < txfm_cache[1]) {
txfm_cache[ALLOW_8X8] = txfm_cache[ALLOW_16X16] = base_rd + diff;
}
if (diff < 0) {
base_rd += diff + RDCOST(x->rdmult, x->rddiv, cost8x8, 0);
} else {
base_rd += RDCOST(x->rdmult, x->rddiv, cost4x4, 0);
}
if (base_rd < txfm_cache[TX_MODE_SELECT]) {
txfm_cache[TX_MODE_SELECT] = base_rd;
}
}
}
}
static __inline
void vp8_cal_step_param(int sr, int *sp) {
int step = 0;
if (sr > MAX_FIRST_STEP) sr = MAX_FIRST_STEP;
else if (sr < 1) sr = 1;
while (sr >>= 1)
step++;
*sp = MAX_MVSEARCH_STEPS - 1 - step;
}
static int rd_pick_best_mbsegmentation(VP8_COMP *cpi, MACROBLOCK *x,
int_mv *best_ref_mv,
int_mv *second_best_ref_mv,
int64_t best_rd,
int *mdcounts,
int *returntotrate,
int *returnyrate,
int *returndistortion,
int *skippable, int mvthresh,
int_mv seg_mvs[NB_PARTITIONINGS]
[16 /* n_blocks */]
[MAX_REF_FRAMES - 1],
int64_t txfm_cache[NB_TXFM_MODES]) {
int i;
BEST_SEG_INFO bsi;
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
vpx_memset(&bsi, 0, sizeof(bsi));
for (i = 0; i < NB_TXFM_MODES; i++)
txfm_cache[i] = INT64_MAX;
bsi.segment_rd = best_rd;
bsi.ref_mv = best_ref_mv;
bsi.second_ref_mv = second_best_ref_mv;
bsi.mvp.as_int = best_ref_mv->as_int;
bsi.mvthresh = mvthresh;
bsi.mdcounts = mdcounts;
bsi.txfm_size = TX_4X4;
for (i = 0; i < 16; i++)
bsi.modes[i] = ZERO4X4;
if (cpi->compressor_speed == 0) {
/* for now, we will keep the original segmentation order
when in best quality mode */
rd_check_segment(cpi, x, &bsi, PARTITIONING_16X8,
seg_mvs[PARTITIONING_16X8], txfm_cache);
rd_check_segment(cpi, x, &bsi, PARTITIONING_8X16,
seg_mvs[PARTITIONING_8X16], txfm_cache);
rd_check_segment(cpi, x, &bsi, PARTITIONING_8X8,
seg_mvs[PARTITIONING_8X8], txfm_cache);
rd_check_segment(cpi, x, &bsi, PARTITIONING_4X4,
seg_mvs[PARTITIONING_4X4], txfm_cache);
} else {
int sr;
rd_check_segment(cpi, x, &bsi, PARTITIONING_8X8,
seg_mvs[PARTITIONING_8X8], txfm_cache);
if (bsi.segment_rd < best_rd) {
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
int tmp_row_min = x->mv_row_min;
int tmp_row_max = x->mv_row_max;
vp8_clamp_mv_min_max(x, best_ref_mv);
/* Get 8x8 result */
bsi.sv_mvp[0].as_int = bsi.mvs[0].as_int;
bsi.sv_mvp[1].as_int = bsi.mvs[2].as_int;
bsi.sv_mvp[2].as_int = bsi.mvs[8].as_int;
bsi.sv_mvp[3].as_int = bsi.mvs[10].as_int;
/* Use 8x8 result as 16x8/8x16's predictor MV. Adjust search range
* according to the closeness of 2 MV. */
/* block 8X16 */
sr = MAXF((abs(bsi.sv_mvp[0].as_mv.row - bsi.sv_mvp[2].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[0].as_mv.col - bsi.sv_mvp[2].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[0]);
sr = MAXF((abs(bsi.sv_mvp[1].as_mv.row - bsi.sv_mvp[3].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[1].as_mv.col - bsi.sv_mvp[3].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[1]);
rd_check_segment(cpi, x, &bsi, PARTITIONING_8X16,
seg_mvs[PARTITIONING_8X16], txfm_cache);
/* block 16X8 */
sr = MAXF((abs(bsi.sv_mvp[0].as_mv.row - bsi.sv_mvp[1].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[0].as_mv.col - bsi.sv_mvp[1].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[0]);
sr = MAXF((abs(bsi.sv_mvp[2].as_mv.row - bsi.sv_mvp[3].as_mv.row)) >> 3,
(abs(bsi.sv_mvp[2].as_mv.col - bsi.sv_mvp[3].as_mv.col)) >> 3);
vp8_cal_step_param(sr, &bsi.sv_istep[1]);
rd_check_segment(cpi, x, &bsi, PARTITIONING_16X8,
seg_mvs[PARTITIONING_16X8], txfm_cache);
/* If 8x8 is better than 16x8/8x16, then do 4x4 search */
/* Not skip 4x4 if speed=0 (good quality) */
if (cpi->sf.no_skip_block4x4_search ||
bsi.segment_num == PARTITIONING_8X8) {
/* || (sv_segment_rd8x8-bsi.segment_rd) < sv_segment_rd8x8>>5) */
bsi.mvp.as_int = bsi.sv_mvp[0].as_int;
rd_check_segment(cpi, x, &bsi, PARTITIONING_4X4,
seg_mvs[PARTITIONING_4X4], txfm_cache);
}
/* restore UMV window */
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
}
}
/* set it to the best */
for (i = 0; i < 16; i++) {
BLOCKD *bd = &x->e_mbd.block[i];
bd->bmi.as_mv.first.as_int = bsi.mvs[i].as_int;
if (mbmi->second_ref_frame)
bd->bmi.as_mv.second.as_int = bsi.second_mvs[i].as_int;
bd->eob = bsi.eobs[i];
}
*returntotrate = bsi.r;
*returndistortion = bsi.d;
*returnyrate = bsi.segment_yrate;
*skippable = bsi.txfm_size == TX_4X4 ?
vp9_mby_is_skippable_4x4(&x->e_mbd, 0) :
vp9_mby_is_skippable_8x8(&x->e_mbd, 0);
/* save partitions */
mbmi->txfm_size = bsi.txfm_size;
mbmi->partitioning = bsi.segment_num;
x->partition_info->count = vp8_mbsplit_count[bsi.segment_num];
for (i = 0; i < x->partition_info->count; i++) {
int j;
j = vp8_mbsplit_offset[bsi.segment_num][i];
x->partition_info->bmi[i].mode = bsi.modes[j];
x->partition_info->bmi[i].mv.as_mv = bsi.mvs[j].as_mv;
if (mbmi->second_ref_frame)
x->partition_info->bmi[i].second_mv.as_mv = bsi.second_mvs[j].as_mv;
}
/*
* used to set mbmi->mv.as_int
*/
x->partition_info->bmi[15].mv.as_int = bsi.mvs[15].as_int;
if (mbmi->second_ref_frame)
x->partition_info->bmi[15].second_mv.as_int = bsi.second_mvs[15].as_int;
return bsi.segment_rd;
}
/* Order arr in increasing order, original position stored in idx */
static void insertsortmv(int arr[], int len) {
int i, j, k;
for (i = 1; i <= len - 1; i++) {
for (j = 0; j < i; j++) {
if (arr[j] > arr[i]) {
int temp;
temp = arr[i];
for (k = i; k > j; k--)
arr[k] = arr[k - 1];
arr[j] = temp;
}
}
}
}
static void insertsortsad(int arr[], int idx[], int len) {
int i, j, k;
for (i = 1; i <= len - 1; i++) {
for (j = 0; j < i; j++) {
if (arr[j] > arr[i]) {
int temp, tempi;
temp = arr[i];
tempi = idx[i];
for (k = i; k > j; k--) {
arr[k] = arr[k - 1];
idx[k] = idx[k - 1];
}
arr[j] = temp;
idx[j] = tempi;
}
}
}
}
// The improved MV prediction
void vp8_mv_pred(VP8_COMP *cpi, MACROBLOCKD *xd, const MODE_INFO *here,
int_mv *mvp, int refframe, int *ref_frame_sign_bias,
int *sr, int near_sadidx[]) {
const MODE_INFO *above = here - xd->mode_info_stride;
const MODE_INFO *left = here - 1;
const MODE_INFO *aboveleft = above - 1;
int_mv near_mvs[8];
int near_ref[8];
int_mv mv;
int vcnt = 0;
int find = 0;
int mb_offset;
int mvx[8];
int mvy[8];
int i;
mv.as_int = 0;
if (here->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[0].as_int = near_mvs[1].as_int = near_mvs[2].as_int = near_mvs[3].as_int = near_mvs[4].as_int = near_mvs[5].as_int = near_mvs[6].as_int = near_mvs[7].as_int = 0;
near_ref[0] = near_ref[1] = near_ref[2] = near_ref[3] = near_ref[4] = near_ref[5] = near_ref[6] = near_ref[7] = 0;
// read in 3 nearby block's MVs from current frame as prediction candidates.
if (above->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = above->mbmi.mv[0].as_int;
mv_bias(ref_frame_sign_bias[above->mbmi.ref_frame], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = above->mbmi.ref_frame;
}
vcnt++;
if (left->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = left->mbmi.mv[0].as_int;
mv_bias(ref_frame_sign_bias[left->mbmi.ref_frame], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = left->mbmi.ref_frame;
}
vcnt++;
if (aboveleft->mbmi.ref_frame != INTRA_FRAME) {
near_mvs[vcnt].as_int = aboveleft->mbmi.mv[0].as_int;
mv_bias(ref_frame_sign_bias[aboveleft->mbmi.ref_frame], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = aboveleft->mbmi.ref_frame;
}
vcnt++;
// read in 5 nearby block's MVs from last frame.
if (cpi->common.last_frame_type != KEY_FRAME) {
mb_offset = (-xd->mb_to_top_edge / 128 + 1) * (xd->mode_info_stride + 1) + (-xd->mb_to_left_edge / 128 + 1);
// current in last frame
if (cpi->lf_ref_frame[mb_offset] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset];
}
vcnt++;
// above in last frame
if (cpi->lf_ref_frame[mb_offset - xd->mode_info_stride - 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - xd->mode_info_stride - 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - xd->mode_info_stride - 1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - xd->mode_info_stride - 1];
}
vcnt++;
// left in last frame
if (cpi->lf_ref_frame[mb_offset - 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset - 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset - 1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset - 1];
}
vcnt++;
// right in last frame
if (cpi->lf_ref_frame[mb_offset + 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset + 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset + 1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset + 1];
}
vcnt++;
// below in last frame
if (cpi->lf_ref_frame[mb_offset + xd->mode_info_stride + 1] != INTRA_FRAME) {
near_mvs[vcnt].as_int = cpi->lfmv[mb_offset + xd->mode_info_stride + 1].as_int;
mv_bias(cpi->lf_ref_frame_sign_bias[mb_offset + xd->mode_info_stride + 1], refframe, &near_mvs[vcnt], ref_frame_sign_bias);
near_ref[vcnt] = cpi->lf_ref_frame[mb_offset + xd->mode_info_stride + 1];
}
vcnt++;
}
for (i = 0; i < vcnt; i++) {
if (near_ref[near_sadidx[i]] != INTRA_FRAME) {
if (here->mbmi.ref_frame == near_ref[near_sadidx[i]]) {
mv.as_int = near_mvs[near_sadidx[i]].as_int;
find = 1;
if (i < 3)
*sr = 3;
else
*sr = 2;
break;
}
}
}
if (!find) {
for (i = 0; i < vcnt; i++) {
mvx[i] = near_mvs[i].as_mv.row;
mvy[i] = near_mvs[i].as_mv.col;
}
insertsortmv(mvx, vcnt);
insertsortmv(mvy, vcnt);
mv.as_mv.row = mvx[vcnt / 2];
mv.as_mv.col = mvy[vcnt / 2];
find = 1;
// sr is set to 0 to allow calling function to decide the search range.
*sr = 0;
}
}
/* Set up return values */
mvp->as_int = mv.as_int;
vp8_clamp_mv2(mvp, xd);
}
static void cal_sad(VP8_COMP *cpi, MACROBLOCKD *xd, MACROBLOCK *x,
int recon_yoffset, int near_sadidx[],
enum BlockSize block_size) {
/* 0-cf above, 1-cf left, 2-cf aboveleft, 3-lf current, 4-lf above,
* 5-lf left, 6-lf right, 7-lf below */
int near_sad[8] = {0};
BLOCK *b = &x->block[0];
unsigned char *src_y_ptr = *(b->base_src);
const unsigned char *dst_y_ptr = xd->dst.y_buffer;
const int bs = (block_size == BLOCK_16X16) ? 16 : 32;
const int dst_y_str = xd->dst.y_stride;
// calculate sad for current frame 3 nearby MBs.
if (xd->mb_to_top_edge == 0 && xd->mb_to_left_edge == 0) {
near_sad[0] = near_sad[1] = near_sad[2] = INT_MAX;
} else if (xd->mb_to_top_edge == 0) {
// only has left MB for sad calculation.
near_sad[0] = near_sad[2] = INT_MAX;
near_sad[1] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
dst_y_ptr - bs,
dst_y_str, 0x7fffffff);
} else if (xd->mb_to_left_edge == 0) {
// only has left MB for sad calculation.
near_sad[1] = near_sad[2] = INT_MAX;
near_sad[0] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
dst_y_ptr - dst_y_str * bs,
dst_y_str, 0x7fffffff);
} else {
near_sad[0] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
dst_y_ptr - dst_y_str * bs,
dst_y_str, 0x7fffffff);
near_sad[1] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
dst_y_ptr - bs,
dst_y_str, 0x7fffffff);
near_sad[2] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
dst_y_ptr - dst_y_str * bs - bs,
dst_y_str, 0x7fffffff);
}
if (cpi->common.last_frame_type != KEY_FRAME) {
// calculate sad for last frame 5 nearby MBs.
unsigned char *pre_y_buffer = cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_buffer + recon_yoffset;
const int pre_y_str = cpi->common.yv12_fb[cpi->common.lst_fb_idx].y_stride;
if (xd->mb_to_top_edge == 0) near_sad[4] = INT_MAX;
if (xd->mb_to_left_edge == 0) near_sad[5] = INT_MAX;
if (xd->mb_to_right_edge == 0) near_sad[6] = INT_MAX;
if (xd->mb_to_bottom_edge == 0) near_sad[7] = INT_MAX;
near_sad[3] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
pre_y_buffer,
pre_y_str, 0x7fffffff);
if (near_sad[4] != INT_MAX)
near_sad[4] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
pre_y_buffer - pre_y_str * bs,
pre_y_str, 0x7fffffff);
if (near_sad[5] != INT_MAX)
near_sad[5] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
pre_y_buffer - bs,
pre_y_str, 0x7fffffff);
if (near_sad[6] != INT_MAX)
near_sad[6] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
pre_y_buffer + bs,
pre_y_str, 0x7fffffff);
if (near_sad[7] != INT_MAX)
near_sad[7] = cpi->fn_ptr[block_size].sdf(src_y_ptr, b->src_stride,
pre_y_buffer + pre_y_str * bs,
pre_y_str, 0x7fffffff);
}
if (cpi->common.last_frame_type != KEY_FRAME) {
insertsortsad(near_sad, near_sadidx, 8);
} else {
insertsortsad(near_sad, near_sadidx, 3);
}
}
static void set_i8x8_block_modes(MACROBLOCK *x, int modes[2][4]) {
int i;
MACROBLOCKD *xd = &x->e_mbd;
for (i = 0; i < 4; i++) {
int ib = vp8_i8x8_block[i];
xd->mode_info_context->bmi[ib + 0].as_mode.first = modes[0][i];
xd->mode_info_context->bmi[ib + 1].as_mode.first = modes[0][i];
xd->mode_info_context->bmi[ib + 4].as_mode.first = modes[0][i];
xd->mode_info_context->bmi[ib + 5].as_mode.first = modes[0][i];
#if CONFIG_COMP_INTRA_PRED
xd->mode_info_context->bmi[ib + 0].as_mode.second = modes[1][i];
xd->mode_info_context->bmi[ib + 1].as_mode.second = modes[1][i];
xd->mode_info_context->bmi[ib + 4].as_mode.second = modes[1][i];
xd->mode_info_context->bmi[ib + 5].as_mode.second = modes[1][i];
#endif
// printf("%d,%d,%d,%d %d,%d,%d,%d\n",
// modes[0][0], modes[0][1], modes[0][2], modes[0][3],
// modes[1][0], modes[1][1], modes[1][2], modes[1][3]);
}
for (i = 0; i < 16; i++) {
xd->block[i].bmi = xd->mode_info_context->bmi[i];
}
}
extern void vp9_calc_ref_probs(int *count, vp8_prob *probs);
static void estimate_curframe_refprobs(VP8_COMP *cpi, vp8_prob mod_refprobs[3], int pred_ref) {
int norm_cnt[MAX_REF_FRAMES];
const int *const rfct = cpi->count_mb_ref_frame_usage;
int intra_count = rfct[INTRA_FRAME];
int last_count = rfct[LAST_FRAME];
int gf_count = rfct[GOLDEN_FRAME];
int arf_count = rfct[ALTREF_FRAME];
// Work out modified reference frame probabilities to use where prediction
// of the reference frame fails
if (pred_ref == INTRA_FRAME) {
norm_cnt[0] = 0;
norm_cnt[1] = last_count;
norm_cnt[2] = gf_count;
norm_cnt[3] = arf_count;
vp9_calc_ref_probs(norm_cnt, mod_refprobs);
mod_refprobs[0] = 0; // This branch implicit
} else if (pred_ref == LAST_FRAME) {
norm_cnt[0] = intra_count;
norm_cnt[1] = 0;
norm_cnt[2] = gf_count;
norm_cnt[3] = arf_count;
vp9_calc_ref_probs(norm_cnt, mod_refprobs);
mod_refprobs[1] = 0; // This branch implicit
} else if (pred_ref == GOLDEN_FRAME) {
norm_cnt[0] = intra_count;
norm_cnt[1] = last_count;
norm_cnt[2] = 0;
norm_cnt[3] = arf_count;
vp9_calc_ref_probs(norm_cnt, mod_refprobs);
mod_refprobs[2] = 0; // This branch implicit
} else {
norm_cnt[0] = intra_count;
norm_cnt[1] = last_count;
norm_cnt[2] = gf_count;
norm_cnt[3] = 0;
vp9_calc_ref_probs(norm_cnt, mod_refprobs);
mod_refprobs[2] = 0; // This branch implicit
}
}
static __inline unsigned weighted_cost(vp8_prob *tab0, vp8_prob *tab1, int idx, int val, int weight) {
unsigned cost0 = tab0[idx] ? vp8_cost_bit(tab0[idx], val) : 0;
unsigned cost1 = tab1[idx] ? vp8_cost_bit(tab1[idx], val) : 0;
// weight is 16-bit fixed point, so this basically calculates:
// 0.5 + weight * cost1 + (1.0 - weight) * cost0
return (0x8000 + weight * cost1 + (0x10000 - weight) * cost0) >> 16;
}
static void vp8_estimate_ref_frame_costs(VP8_COMP *cpi, int segment_id, unsigned int *ref_costs) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &cpi->mb.e_mbd;
vp8_prob *mod_refprobs;
unsigned int cost;
int pred_ref;
int pred_flag;
int pred_ctx;
int i;
int tot_count;
vp8_prob pred_prob, new_pred_prob;
int seg_ref_active;
int seg_ref_count = 0;
seg_ref_active = segfeature_active(xd,
segment_id,
SEG_LVL_REF_FRAME);
if (seg_ref_active) {
seg_ref_count = check_segref(xd, segment_id, INTRA_FRAME) +
check_segref(xd, segment_id, LAST_FRAME) +
check_segref(xd, segment_id, GOLDEN_FRAME) +
check_segref(xd, segment_id, ALTREF_FRAME);
}
// Get the predicted reference for this mb
pred_ref = vp9_get_pred_ref(cm, xd);
// Get the context probability for the prediction flag (based on last frame)
pred_prob = vp9_get_pred_prob(cm, xd, PRED_REF);
// Predict probability for current frame based on stats so far
pred_ctx = vp9_get_pred_context(cm, xd, PRED_REF);
tot_count = cpi->ref_pred_count[pred_ctx][0] + cpi->ref_pred_count[pred_ctx][1];
if (tot_count) {
new_pred_prob =
(cpi->ref_pred_count[pred_ctx][0] * 255 + (tot_count >> 1)) / tot_count;
new_pred_prob += !new_pred_prob;
} else
new_pred_prob = 128;
// Get the set of probabilities to use if prediction fails
mod_refprobs = cm->mod_refprobs[pred_ref];
// For each possible selected reference frame work out a cost.
for (i = 0; i < MAX_REF_FRAMES; i++) {
if (seg_ref_active && seg_ref_count == 1) {
cost = 0;
} else {
pred_flag = (i == pred_ref);
// Get the prediction for the current mb
cost = weighted_cost(&pred_prob, &new_pred_prob, 0,
pred_flag, cpi->seg0_progress);
if (cost > 1024) cost = 768; // i.e. account for 4 bits max.
// for incorrectly predicted cases
if (! pred_flag) {
vp8_prob curframe_mod_refprobs[3];
if (cpi->seg0_progress) {
estimate_curframe_refprobs(cpi, curframe_mod_refprobs, pred_ref);
} else {
vpx_memset(curframe_mod_refprobs, 0, sizeof(curframe_mod_refprobs));
}
cost += weighted_cost(mod_refprobs, curframe_mod_refprobs, 0,
(i != INTRA_FRAME), cpi->seg0_progress);
if (i != INTRA_FRAME) {
cost += weighted_cost(mod_refprobs, curframe_mod_refprobs, 1,
(i != LAST_FRAME), cpi->seg0_progress);
if (i != LAST_FRAME) {
cost += weighted_cost(mod_refprobs, curframe_mod_refprobs, 2,
(i != GOLDEN_FRAME), cpi->seg0_progress);
}
}
}
}
ref_costs[i] = cost;
}
}
static void store_coding_context(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx,
int mode_index,
PARTITION_INFO *partition,
int_mv *ref_mv,
int_mv *second_ref_mv,
int single_pred_diff,
int comp_pred_diff,
int hybrid_pred_diff,
int64_t txfm_size_diff[NB_TXFM_MODES]) {
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
// Take a snapshot of the coding context so it can be
// restored if we decide to encode this way
ctx->best_mode_index = mode_index;
vpx_memcpy(&ctx->mic, xd->mode_info_context,
sizeof(MODE_INFO));
if (partition)
vpx_memcpy(&ctx->partition_info, partition,
sizeof(PARTITION_INFO));
ctx->best_ref_mv.as_int = ref_mv->as_int;
ctx->second_best_ref_mv.as_int = second_ref_mv->as_int;
// ctx[mb_index].rddiv = x->rddiv;
// ctx[mb_index].rdmult = x->rdmult;
ctx->single_pred_diff = single_pred_diff;
ctx->comp_pred_diff = comp_pred_diff;
ctx->hybrid_pred_diff = hybrid_pred_diff;
if (txfm_size_diff) {
memcpy(ctx->txfm_rd_diff, txfm_size_diff, sizeof(ctx->txfm_rd_diff));
} else {
memset(ctx->txfm_rd_diff, 0, sizeof(ctx->txfm_rd_diff));
}
}
static void inter_mode_cost(VP8_COMP *cpi, MACROBLOCK *x, int this_mode,
int *rate2, int *distortion2, int *rate_y,
int *distortion, int* rate_uv, int *distortion_uv,
int *skippable, int64_t txfm_cache[NB_TXFM_MODES]) {
int y_skippable, uv_skippable;
// Y cost and distortion
macro_block_yrd(cpi, x, rate_y, distortion, &y_skippable, txfm_cache);
*rate2 += *rate_y;
*distortion2 += *distortion;
// UV cost and distortion
if (x->e_mbd.mode_info_context->mbmi.txfm_size != TX_4X4)
rd_inter16x16_uv_8x8(cpi, x, rate_uv, distortion_uv,
cpi->common.full_pixel, &uv_skippable);
else
rd_inter16x16_uv(cpi, x, rate_uv, distortion_uv, cpi->common.full_pixel,
&uv_skippable);
*rate2 += *rate_uv;
*distortion2 += *distortion_uv;
*skippable = y_skippable && uv_skippable;
}
#define MIN(x,y) (((x)<(y))?(x):(y))
#define MAX(x,y) (((x)>(y))?(x):(y))
static void setup_buffer_inter(VP8_COMP *cpi, MACROBLOCK *x,
int idx, int frame_type,
int recon_yoffset, int recon_uvoffset,
int_mv frame_nearest_mv[4],
int_mv frame_near_mv[4],
int_mv frame_best_ref_mv[4],
int frame_mdcounts[4][4],
unsigned char *y_buffer[4],
unsigned char *u_buffer[4],
unsigned char *v_buffer[4]) {
YV12_BUFFER_CONFIG *yv12 = &cpi->common.yv12_fb[idx];
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
vp8_find_near_mvs(xd, xd->mode_info_context,
xd->prev_mode_info_context,
&frame_nearest_mv[frame_type], &frame_near_mv[frame_type],
&frame_best_ref_mv[frame_type], frame_mdcounts[frame_type],
frame_type, cpi->common.ref_frame_sign_bias);
y_buffer[frame_type] = yv12->y_buffer + recon_yoffset;
u_buffer[frame_type] = yv12->u_buffer + recon_uvoffset;
v_buffer[frame_type] = yv12->v_buffer + recon_uvoffset;
#if CONFIG_NEWBESTREFMV
vp9_find_mv_refs(xd, xd->mode_info_context,
xd->prev_mode_info_context,
frame_type,
mbmi->ref_mvs[frame_type],
cpi->common.ref_frame_sign_bias);
vp8_find_best_ref_mvs(xd, y_buffer[frame_type],
yv12->y_stride,
mbmi->ref_mvs[frame_type],
&frame_best_ref_mv[frame_type],
&frame_nearest_mv[frame_type],
&frame_near_mv[frame_type]);
#endif
}
static int64_t handle_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
enum BlockSize block_size,
int *saddone, int near_sadidx[],
int mdcounts[4], int64_t txfm_cache[],
int *rate2, int *distortion, int *skippable,
int *compmode_cost,
int *rate_y, int *distortion_y,
int *rate_uv, int *distortion_uv,
int *mode_excluded, int *disable_skip,
int recon_yoffset, int mode_index,
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES],
int_mv frame_best_ref_mv[4]) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
BLOCK *b = &x->block[0];
BLOCKD *d = &xd->block[0];
const int is_comp_pred = (mbmi->second_ref_frame != 0);
const int num_refs = is_comp_pred ? 2 : 1;
const int this_mode = mbmi->mode;
int i;
int refs[2] = { mbmi->ref_frame, mbmi->second_ref_frame };
int_mv cur_mv[2];
int_mv mvp;
int64_t this_rd = 0;
switch (this_mode) {
case NEWMV:
if (is_comp_pred) {
if (frame_mv[NEWMV][refs[0]].as_int == INVALID_MV ||
frame_mv[NEWMV][refs[1]].as_int == INVALID_MV)
return INT64_MAX;
*rate2 += vp8_mv_bit_cost(&frame_mv[NEWMV][refs[0]],
&frame_best_ref_mv[refs[0]],
XMVCOST, 96,
x->e_mbd.allow_high_precision_mv);
*rate2 += vp8_mv_bit_cost(&frame_mv[NEWMV][refs[1]],
&frame_best_ref_mv[refs[1]],
XMVCOST, 96,
x->e_mbd.allow_high_precision_mv);
} else {
int bestsme = INT_MAX;
int further_steps, step_param = cpi->sf.first_step;
int sadpb = x->sadperbit16;
int_mv mvp_full, tmp_mv;
// search range got from mv_pred(). It uses step_param levels. (0-7)
int sr = 0;
int tmp_col_min = x->mv_col_min;
int tmp_col_max = x->mv_col_max;
int tmp_row_min = x->mv_row_min;
int tmp_row_max = x->mv_row_max;
vp8_clamp_mv_min_max(x, &frame_best_ref_mv[refs[0]]);
if (!*saddone) {
cal_sad(cpi, xd, x, recon_yoffset, &near_sadidx[0], block_size);
*saddone = 1;
}
vp8_mv_pred(cpi, &x->e_mbd, x->e_mbd.mode_info_context, &mvp,
mbmi->ref_frame, cpi->common.ref_frame_sign_bias,
&sr, &near_sadidx[0]);
mvp_full.as_mv.col = mvp.as_mv.col >> 3;
mvp_full.as_mv.row = mvp.as_mv.row >> 3;
// adjust search range according to sr from mv prediction
step_param = MAX(step_param, sr);
// Further step/diamond searches as necessary
further_steps = (cpi->sf.max_step_search_steps - 1) - step_param;
bestsme = vp8_full_pixel_diamond(cpi, x, b, d, &mvp_full, step_param,
sadpb, further_steps, 1,
&cpi->fn_ptr[block_size],
&frame_best_ref_mv[refs[0]], &tmp_mv);
x->mv_col_min = tmp_col_min;
x->mv_col_max = tmp_col_max;
x->mv_row_min = tmp_row_min;
x->mv_row_max = tmp_row_max;
if (bestsme < INT_MAX) {
int dis; /* TODO: use dis in distortion calculation later. */
unsigned int sse;
cpi->find_fractional_mv_step(x, b, d, &tmp_mv,
&frame_best_ref_mv[refs[0]],
x->errorperbit,
&cpi->fn_ptr[block_size],
XMVCOST, &dis, &sse);
}
d->bmi.as_mv.first.as_int = tmp_mv.as_int;
frame_mv[NEWMV][refs[0]].as_int = d->bmi.as_mv.first.as_int;
// Add the new motion vector cost to our rolling cost variable
*rate2 += vp8_mv_bit_cost(&tmp_mv, &frame_best_ref_mv[refs[0]],
XMVCOST, 96, xd->allow_high_precision_mv);
}
break;
case NEARESTMV:
case NEARMV:
// Do not bother proceeding if the vector (from newmv, nearest or
// near) is 0,0 as this should then be coded using the zeromv mode.
for (i = 0; i < num_refs; ++i)
if (frame_mv[this_mode][refs[i]].as_int == 0)
return INT64_MAX;
case ZEROMV:
default:
break;
}
for (i = 0; i < num_refs; ++i) {
cur_mv[i] = frame_mv[this_mode][refs[i]];
// Clip "next_nearest" so that it does not extend to far out of image
vp8_clamp_mv2(&cur_mv[i], xd);
if (mv_check_bounds(x, &cur_mv[i]))
return INT64_MAX;
mbmi->mv[i].as_int = cur_mv[i].as_int;
}
#if CONFIG_PRED_FILTER
// Filtered prediction:
mbmi->pred_filter_enabled = vp8_mode_order[mode_index].pred_filter_flag;
*rate2 += vp8_cost_bit(cpi->common.prob_pred_filter_off,
mbmi->pred_filter_enabled);
#endif
if (cpi->common.mcomp_filter_type == SWITCHABLE) {
const int c = vp9_get_pred_context(cm, xd, PRED_SWITCHABLE_INTERP);
const int m = vp8_switchable_interp_map[mbmi->interp_filter];
*rate2 += SWITCHABLE_INTERP_RATE_FACTOR * x->switchable_interp_costs[c][m];
}
/* We don't include the cost of the second reference here, because there
* are only three options: Last/Golden, ARF/Last or Golden/ARF, or in other
* words if you present them in that order, the second one is always known
* if the first is known */
*compmode_cost = vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_COMP),
is_comp_pred);
*rate2 += vp8_cost_mv_ref(cpi, this_mode, mdcounts);
if (block_size == BLOCK_16X16) {
vp8_build_1st_inter16x16_predictors_mby(xd, xd->predictor, 16, 0);
if (is_comp_pred)
vp8_build_2nd_inter16x16_predictors_mby(xd, xd->predictor, 16);
} else {
#if CONFIG_SUPERBLOCKS
vp8_build_inter32x32_predictors_sb(xd,
xd->dst.y_buffer,
xd->dst.u_buffer,
xd->dst.v_buffer,
xd->dst.y_stride,
xd->dst.uv_stride);
#endif
}
if (cpi->active_map_enabled && x->active_ptr[0] == 0)
x->skip = 1;
else if (x->encode_breakout) {
unsigned int sse, var;
int threshold = (xd->block[0].dequant[1]
* xd->block[0].dequant[1] >> 4);
if (threshold < x->encode_breakout)
threshold = x->encode_breakout;
if (block_size == BLOCK_16X16) {
var = vp8_variance16x16(*(b->base_src), b->src_stride,
xd->predictor, 16, &sse);
} else {
#if CONFIG_SUPERBLOCKS
var = vp8_variance32x32(*(b->base_src), b->src_stride,
xd->dst.y_buffer, xd->dst.y_stride, &sse);
#endif
}
if (sse < threshold) {
unsigned int q2dc = xd->block[24].dequant[0];
/* If there is no codeable 2nd order dc
or a very small uniform pixel change change */
if ((sse - var < q2dc * q2dc >> 4) ||
(sse / 2 > var && sse - var < 64)) {
// Check u and v to make sure skip is ok
int sse2;
if (block_size == BLOCK_16X16) {
sse2 = vp8_uvsse(x);
} else {
unsigned int sse2u, sse2v;
var = vp8_variance16x16(x->src.u_buffer, x->src.uv_stride,
xd->dst.u_buffer, xd->dst.uv_stride, &sse2u);
var = vp8_variance16x16(x->src.v_buffer, x->src.uv_stride,
xd->dst.v_buffer, xd->dst.uv_stride, &sse2v);
sse2 = sse2u + sse2v;
}
if (sse2 * 2 < threshold) {
x->skip = 1;
*distortion = sse + sse2;
*rate2 = 500;
/* for best_yrd calculation */
*rate_uv = 0;
*distortion_uv = sse2;
*disable_skip = 1;
this_rd = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion);
}
}
}
}
if (!x->skip) {
if (block_size == BLOCK_16X16) {
vp8_build_1st_inter16x16_predictors_mbuv(xd, &xd->predictor[256],
&xd->predictor[320], 8);
if (is_comp_pred)
vp8_build_2nd_inter16x16_predictors_mbuv(xd, &xd->predictor[256],
&xd->predictor[320], 8);
inter_mode_cost(cpi, x, this_mode, rate2, distortion,
rate_y, distortion_y, rate_uv, distortion_uv,
skippable, txfm_cache);
} else {
#if CONFIG_SUPERBLOCKS
int skippable_y, skippable_uv;
// Y cost and distortion - FIXME support other transform sizes
super_block_yrd_8x8(x, rate_y, distortion_y,
IF_RTCD(&cpi->rtcd), &skippable_y);
*rate2 += *rate_y;
*distortion += *distortion_y;
rd_inter32x32_uv_8x8(cpi, x, rate_uv, distortion_uv,
cm->full_pixel, &skippable_uv);
*rate2 += *rate_uv;
*distortion += *distortion_uv;
*skippable = skippable_y && skippable_uv;
#endif
}
}
if (is_comp_pred) {
*mode_excluded = (cpi->common.comp_pred_mode == SINGLE_PREDICTION_ONLY);
} else {
*mode_excluded = (cpi->common.comp_pred_mode == COMP_PREDICTION_ONLY);
}
return this_rd; // if 0, this will be re-calculated by caller
}
void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset,
int *returnrate, int *returndistortion, int64_t *returnintra) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
union b_mode_info best_bmodes[16];
MB_MODE_INFO best_mbmode;
PARTITION_INFO best_partition;
int_mv best_ref_mv, second_best_ref_mv;
MB_PREDICTION_MODE this_mode;
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
int i, best_mode_index = 0;
int mode8x8[2][4];
unsigned char segment_id = mbmi->segment_id;
int mode_index;
int mdcounts[4];
int rate, distortion;
int rate2, distortion2;
int64_t best_txfm_rd[NB_TXFM_MODES];
int64_t best_txfm_diff[NB_TXFM_MODES];
int64_t best_pred_diff[NB_PREDICTION_TYPES];
int64_t best_pred_rd[NB_PREDICTION_TYPES];
int64_t best_rd = INT64_MAX, best_intra_rd = INT64_MAX;
#if CONFIG_PRED_FILTER
int64_t best_overall_rd = INT64_MAX;
#endif
int uv_intra_rate, uv_intra_distortion, uv_intra_rate_tokenonly;
int uv_intra_skippable = 0;
int uv_intra_rate_8x8 = 0, uv_intra_distortion_8x8 = 0, uv_intra_rate_tokenonly_8x8 = 0;
int uv_intra_skippable_8x8 = 0;
int rate_y, UNINITIALIZED_IS_SAFE(rate_uv);
int distortion_uv = INT_MAX;
int64_t best_yrd = INT64_MAX;
#if CONFIG_PRED_FILTER
int best_filter_state;
#endif
int switchable_filter_index = 0;
MB_PREDICTION_MODE uv_intra_mode;
MB_PREDICTION_MODE uv_intra_mode_8x8 = 0;
int near_sadidx[8] = {0, 1, 2, 3, 4, 5, 6, 7};
int saddone = 0;
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
int_mv frame_best_ref_mv[4];
int frame_mdcounts[4][4];
unsigned char *y_buffer[4], *u_buffer[4], *v_buffer[4];
unsigned int ref_costs[MAX_REF_FRAMES];
int_mv seg_mvs[NB_PARTITIONINGS][16 /* n_blocks */][MAX_REF_FRAMES - 1];
vpx_memset(mode8x8, 0, sizeof(mode8x8));
vpx_memset(&frame_mv, 0, sizeof(frame_mv));
vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
vpx_memset(&best_bmodes, 0, sizeof(best_bmodes));
vpx_memset(&x->mb_context[xd->mb_index], 0, sizeof(PICK_MODE_CONTEXT));
for (i = 0; i < MAX_REF_FRAMES; i++)
frame_mv[NEWMV][i].as_int = INVALID_MV;
for (i = 0; i < NB_PREDICTION_TYPES; ++i)
best_pred_rd[i] = INT64_MAX;
for (i = 0; i < NB_TXFM_MODES; i++)
best_txfm_rd[i] = INT64_MAX;
for (i = 0; i < NB_PARTITIONINGS; i++) {
int j, k;
for (j = 0; j < 16; j++)
for (k = 0; k < MAX_REF_FRAMES - 1; k++)
seg_mvs[i][j][k].as_int = INVALID_MV;
}
if (cpi->ref_frame_flags & VP8_LAST_FLAG) {
setup_buffer_inter(cpi, x, cpi->common.lst_fb_idx, LAST_FRAME,
recon_yoffset, recon_uvoffset, frame_mv[NEARESTMV],
frame_mv[NEARMV], frame_best_ref_mv,
frame_mdcounts, y_buffer, u_buffer, v_buffer);
}
if (cpi->ref_frame_flags & VP8_GOLD_FLAG) {
setup_buffer_inter(cpi, x, cpi->common.gld_fb_idx, GOLDEN_FRAME,
recon_yoffset, recon_uvoffset, frame_mv[NEARESTMV],
frame_mv[NEARMV], frame_best_ref_mv,
frame_mdcounts, y_buffer, u_buffer, v_buffer);
}
if (cpi->ref_frame_flags & VP8_ALT_FLAG) {
setup_buffer_inter(cpi, x, cpi->common.alt_fb_idx, ALTREF_FRAME,
recon_yoffset, recon_uvoffset, frame_mv[NEARESTMV],
frame_mv[NEARMV], frame_best_ref_mv,
frame_mdcounts, y_buffer, u_buffer, v_buffer);
}
*returnintra = INT64_MAX;
x->skip = 0;
mbmi->ref_frame = INTRA_FRAME;
/* Initialize zbin mode boost for uv costing */
cpi->zbin_mode_boost = 0;
vp8_update_zbin_extra(cpi, x);
rd_pick_intra_mbuv_mode(cpi, x, &uv_intra_rate,
&uv_intra_rate_tokenonly, &uv_intra_distortion,
&uv_intra_skippable);
uv_intra_mode = mbmi->uv_mode;
/* rough estimate for now */
if (cpi->common.txfm_mode != ONLY_4X4) {
rd_pick_intra_mbuv_mode_8x8(cpi, x, &uv_intra_rate_8x8,
&uv_intra_rate_tokenonly_8x8,
&uv_intra_distortion_8x8,
&uv_intra_skippable_8x8);
uv_intra_mode_8x8 = mbmi->uv_mode;
}
// Get estimates of reference frame costs for each reference frame
// that depend on the current prediction etc.
vp8_estimate_ref_frame_costs(cpi, segment_id, ref_costs);
for (mode_index = 0; mode_index < MAX_MODES;
mode_index += (!switchable_filter_index)) {
int64_t this_rd = INT64_MAX;
int disable_skip = 0, skippable = 0;
int other_cost = 0;
int compmode_cost = 0;
int mode_excluded = 0;
int64_t txfm_cache[NB_TXFM_MODES] = { 0 };
// These variables hold are rolling total cost and distortion for this mode
rate2 = 0;
distortion2 = 0;
rate_y = 0;
rate_uv = 0;
this_mode = vp8_mode_order[mode_index].mode;
mbmi->mode = this_mode;
mbmi->uv_mode = DC_PRED;
mbmi->ref_frame = vp8_mode_order[mode_index].ref_frame;
mbmi->second_ref_frame = vp8_mode_order[mode_index].second_ref_frame;
#if CONFIG_PRED_FILTER
mbmi->pred_filter_enabled = 0;
#endif
if (cpi->common.mcomp_filter_type == SWITCHABLE &&
this_mode >= NEARESTMV && this_mode <= SPLITMV) {
mbmi->interp_filter =
vp8_switchable_interp[switchable_filter_index++];
if (switchable_filter_index == VP8_SWITCHABLE_FILTERS)
switchable_filter_index = 0;
} else {
mbmi->interp_filter = cpi->common.mcomp_filter_type;
}
vp8_setup_interp_filters(xd, mbmi->interp_filter, &cpi->common);
// Test best rd so far against threshold for trying this mode.
if (best_rd <= cpi->rd_threshes[mode_index])
continue;
// current coding mode under rate-distortion optimization test loop
#if CONFIG_COMP_INTRA_PRED
mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
mbmi->second_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
#endif
// If the segment reference frame feature is enabled....
// then do nothing if the current ref frame is not allowed..
if (segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!check_segref(xd, segment_id, mbmi->ref_frame)) {
continue;
}
// If the segment mode feature is enabled....
// then do nothing if the current mode is not allowed..
else if (segfeature_active(xd, segment_id, SEG_LVL_MODE) &&
(this_mode !=
get_segdata(xd, segment_id, SEG_LVL_MODE))) {
continue;
}
// Disable this drop out case if either the mode or ref frame
// segment level feature is enabled for this segment. This is to
// prevent the possibility that the we end up unable to pick any mode.
else if (!segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!segfeature_active(xd, segment_id, SEG_LVL_MODE)) {
// Only consider ZEROMV/ALTREF_FRAME for alt ref frame,
// unless ARNR filtering is enabled in which case we want
// an unfiltered alternative
if (cpi->is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) {
if (this_mode != ZEROMV ||
mbmi->ref_frame != ALTREF_FRAME) {
continue;
}
}
}
/* everything but intra */
if (mbmi->ref_frame) {
int ref = mbmi->ref_frame;
xd->pre.y_buffer = y_buffer[ref];
xd->pre.u_buffer = u_buffer[ref];
xd->pre.v_buffer = v_buffer[ref];
best_ref_mv = frame_best_ref_mv[ref];
vpx_memcpy(mdcounts, frame_mdcounts[ref], sizeof(mdcounts));
}
if (mbmi->second_ref_frame) {
int ref = mbmi->second_ref_frame;
xd->second_pre.y_buffer = y_buffer[ref];
xd->second_pre.u_buffer = u_buffer[ref];
xd->second_pre.v_buffer = v_buffer[ref];
second_best_ref_mv = frame_best_ref_mv[ref];
}
// Experimental code. Special case for gf and arf zeromv modes.
// Increase zbin size to suppress noise
if (cpi->zbin_mode_boost_enabled) {
if (vp8_mode_order[mode_index].ref_frame == INTRA_FRAME)
cpi->zbin_mode_boost = 0;
else {
if (vp8_mode_order[mode_index].mode == ZEROMV) {
if (vp8_mode_order[mode_index].ref_frame != LAST_FRAME)
cpi->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
else
cpi->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
} else if (vp8_mode_order[mode_index].mode == SPLITMV)
cpi->zbin_mode_boost = 0;
else
cpi->zbin_mode_boost = MV_ZBIN_BOOST;
}
vp8_update_zbin_extra(cpi, x);
}
// Intra
if (!mbmi->ref_frame) {
switch (this_mode) {
default:
case DC_PRED:
case V_PRED:
case H_PRED:
case TM_PRED:
case D45_PRED:
case D135_PRED:
case D117_PRED:
case D153_PRED:
case D27_PRED:
case D63_PRED:
mbmi->ref_frame = INTRA_FRAME;
// FIXME compound intra prediction
vp8_build_intra_predictors_mby(&x->e_mbd);
macro_block_yrd(cpi, x, &rate_y, &distortion, &skippable, txfm_cache);
rate2 += rate_y;
distortion2 += distortion;
rate2 += x->mbmode_cost[xd->frame_type][mbmi->mode];
if (mbmi->txfm_size != TX_4X4) {
rate2 += uv_intra_rate_8x8;
rate_uv = uv_intra_rate_tokenonly_8x8;
distortion2 += uv_intra_distortion_8x8;
distortion_uv = uv_intra_distortion_8x8;
skippable = skippable && uv_intra_skippable_8x8;
} else {
rate2 += uv_intra_rate;
rate_uv = uv_intra_rate_tokenonly;
distortion2 += uv_intra_distortion;
distortion_uv = uv_intra_distortion;
skippable = skippable && uv_intra_skippable;
}
break;
case B_PRED: {
int64_t tmp_rd;
// Note the rate value returned here includes the cost of coding
// the BPRED mode : x->mbmode_cost[xd->frame_type][BPRED];
mbmi->txfm_size = TX_4X4;
tmp_rd = rd_pick_intra4x4mby_modes(cpi, x, &rate, &rate_y, &distortion, best_yrd,
#if CONFIG_COMP_INTRA_PRED
0,
#endif
0);
rate2 += rate;
distortion2 += distortion;
if (tmp_rd < best_yrd) {
rate2 += uv_intra_rate;
rate_uv = uv_intra_rate_tokenonly;
distortion2 += uv_intra_distortion;
distortion_uv = uv_intra_distortion;
} else {
this_rd = INT64_MAX;
disable_skip = 1;
}
}
break;
case I8X8_PRED: {
int cost0 = vp8_cost_bit(cm->prob_tx[0], 0);
int cost1 = vp8_cost_bit(cm->prob_tx[0], 1);
int64_t tmp_rd_4x4s, tmp_rd_8x8s;
int64_t tmp_rd_4x4, tmp_rd_8x8, tmp_rd;
int r4x4, tok4x4, d4x4, r8x8, tok8x8, d8x8;
mbmi->txfm_size = TX_4X4;
tmp_rd_4x4 = rd_pick_intra8x8mby_modes(cpi, x, &r4x4, &tok4x4,
&d4x4, best_yrd);
mode8x8[0][0] = xd->mode_info_context->bmi[0].as_mode.first;
mode8x8[0][1] = xd->mode_info_context->bmi[2].as_mode.first;
mode8x8[0][2] = xd->mode_info_context->bmi[8].as_mode.first;
mode8x8[0][3] = xd->mode_info_context->bmi[10].as_mode.first;
#if CONFIG_COMP_INTRA_PRED
mode8x8[1][0] = xd->mode_info_context->bmi[0].as_mode.second;
mode8x8[1][1] = xd->mode_info_context->bmi[2].as_mode.second;
mode8x8[1][2] = xd->mode_info_context->bmi[8].as_mode.second;
mode8x8[1][3] = xd->mode_info_context->bmi[10].as_mode.second;
#endif
mbmi->txfm_size = TX_8X8;
tmp_rd_8x8 = rd_pick_intra8x8mby_modes(cpi, x, &r8x8, &tok8x8,
&d8x8, best_yrd);
txfm_cache[ONLY_4X4] = tmp_rd_4x4;
txfm_cache[ALLOW_8X8] = tmp_rd_8x8;
txfm_cache[ALLOW_16X16] = tmp_rd_8x8;
tmp_rd_4x4s = tmp_rd_4x4 + RDCOST(x->rdmult, x->rddiv, cost0, 0);
tmp_rd_8x8s = tmp_rd_8x8 + RDCOST(x->rdmult, x->rddiv, cost1, 0);
txfm_cache[TX_MODE_SELECT] = tmp_rd_4x4s < tmp_rd_8x8s ? tmp_rd_4x4s : tmp_rd_8x8s;
if (cm->txfm_mode == TX_MODE_SELECT) {
if (tmp_rd_4x4s < tmp_rd_8x8s) {
rate = r4x4 + cost0;
rate_y = tok4x4 + cost0;
distortion = d4x4;
mbmi->txfm_size = TX_4X4;
tmp_rd = tmp_rd_4x4s;
} else {
rate = r8x8 + cost1;
rate_y = tok8x8 + cost1;
distortion = d8x8;
mbmi->txfm_size = TX_8X8;
tmp_rd = tmp_rd_8x8s;
mode8x8[0][0] = xd->mode_info_context->bmi[0].as_mode.first;
mode8x8[0][1] = xd->mode_info_context->bmi[2].as_mode.first;
mode8x8[0][2] = xd->mode_info_context->bmi[8].as_mode.first;
mode8x8[0][3] = xd->mode_info_context->bmi[10].as_mode.first;
#if CONFIG_COMP_INTRA_PRED
mode8x8[1][0] = xd->mode_info_context->bmi[0].as_mode.second;
mode8x8[1][1] = xd->mode_info_context->bmi[2].as_mode.second;
mode8x8[1][2] = xd->mode_info_context->bmi[8].as_mode.second;
mode8x8[1][3] = xd->mode_info_context->bmi[10].as_mode.second;
#endif
}
} else if (cm->txfm_mode == ONLY_4X4) {
rate = r4x4;
rate_y = tok4x4;
distortion = d4x4;
mbmi->txfm_size = TX_4X4;
tmp_rd = tmp_rd_4x4;
} else {
rate = r8x8;
rate_y = tok8x8;
distortion = d8x8;
mbmi->txfm_size = TX_8X8;
tmp_rd = tmp_rd_8x8;
mode8x8[0][0] = xd->mode_info_context->bmi[0].as_mode.first;
mode8x8[0][1] = xd->mode_info_context->bmi[2].as_mode.first;
mode8x8[0][2] = xd->mode_info_context->bmi[8].as_mode.first;
mode8x8[0][3] = xd->mode_info_context->bmi[10].as_mode.first;
#if CONFIG_COMP_INTRA_PRED
mode8x8[1][0] = xd->mode_info_context->bmi[0].as_mode.second;
mode8x8[1][1] = xd->mode_info_context->bmi[2].as_mode.second;
mode8x8[1][2] = xd->mode_info_context->bmi[8].as_mode.second;
mode8x8[1][3] = xd->mode_info_context->bmi[10].as_mode.second;
#endif
}
rate2 += rate;
distortion2 += distortion;
/* TODO: uv rate maybe over-estimated here since there is UV intra
mode coded in I8X8_PRED prediction */
if (tmp_rd < best_yrd) {
rate2 += uv_intra_rate;
rate_uv = uv_intra_rate_tokenonly;
distortion2 += uv_intra_distortion;
distortion_uv = uv_intra_distortion;
} else {
this_rd = INT64_MAX;
disable_skip = 1;
}
}
break;
}
}
// Split MV. The code is very different from the other inter modes so
// special case it.
else if (this_mode == SPLITMV) {
const int is_comp_pred = mbmi->second_ref_frame != 0;
int64_t tmp_rd, this_rd_thresh;
int_mv *second_ref = is_comp_pred ? &second_best_ref_mv : NULL;
this_rd_thresh =
(mbmi->ref_frame == LAST_FRAME) ?
cpi->rd_threshes[THR_NEWMV] : cpi->rd_threshes[THR_NEWA];
this_rd_thresh =
(mbmi->ref_frame == GOLDEN_FRAME) ?
cpi->rd_threshes[THR_NEWG] : this_rd_thresh;
tmp_rd = rd_pick_best_mbsegmentation(cpi, x, &best_ref_mv,
second_ref, best_yrd, mdcounts,
&rate, &rate_y, &distortion,
&skippable,
this_rd_thresh, seg_mvs,
txfm_cache);
rate2 += rate;
distortion2 += distortion;
if (cpi->common.mcomp_filter_type == SWITCHABLE)
rate2 += SWITCHABLE_INTERP_RATE_FACTOR * x->switchable_interp_costs
[vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
[vp8_switchable_interp_map[mbmi->interp_filter]];
// If even the 'Y' rd value of split is higher than best so far
// then dont bother looking at UV
if (tmp_rd < best_yrd) {
int uv_skippable;
rd_inter4x4_uv(cpi, x, &rate_uv, &distortion_uv, &uv_skippable,
cpi->common.full_pixel);
rate2 += rate_uv;
distortion2 += distortion_uv;
skippable = skippable && uv_skippable;
} else {
this_rd = INT64_MAX;
disable_skip = 1;
}
if (is_comp_pred)
mode_excluded = cpi->common.comp_pred_mode == SINGLE_PREDICTION_ONLY;
else
mode_excluded = cpi->common.comp_pred_mode == COMP_PREDICTION_ONLY;
compmode_cost =
vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_COMP), is_comp_pred);
mbmi->mode = this_mode;
}
else {
this_rd = handle_inter_mode(cpi, x, BLOCK_16X16,
&saddone, near_sadidx, mdcounts, txfm_cache,
&rate2, &distortion2, &skippable,
&compmode_cost, &rate_y, &distortion,
&rate_uv, &distortion_uv,
&mode_excluded, &disable_skip, recon_yoffset,
mode_index, frame_mv, frame_best_ref_mv);
if (this_rd == INT64_MAX)
continue;
}
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION)
rate2 += compmode_cost;
// Estimate the reference frame signaling cost and add it
// to the rolling cost variable.
rate2 += ref_costs[mbmi->ref_frame];
if (!disable_skip) {
// Test for the condition where skip block will be activated
// because there are no non zero coefficients and make any
// necessary adjustment for rate. Ignore if skip is coded at
// segment level as the cost wont have been added in.
if (cpi->common.mb_no_coeff_skip) {
int mb_skip_allowed;
// Is Mb level skip allowed for this mb.
mb_skip_allowed =
!segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
get_segdata(xd, segment_id, SEG_LVL_EOB);
if (skippable) {
mbmi->mb_skip_coeff = 1;
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
if (mb_skip_allowed) {
int prob_skip_cost;
// Cost the skip mb case
vp8_prob skip_prob =
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP);
if (skip_prob) {
prob_skip_cost = vp8_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
}
// Add in the cost of the no skip flag.
else {
mbmi->mb_skip_coeff = 0;
if (mb_skip_allowed) {
int prob_skip_cost = vp8_cost_bit(
vp9_get_pred_prob(cm, &x->e_mbd, PRED_MBSKIP), 0);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
}
// Calculate the final RD estimate for this mode.
this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
}
// Keep record of best intra distortion
if ((mbmi->ref_frame == INTRA_FRAME) &&
(this_rd < best_intra_rd)) {
best_intra_rd = this_rd;
*returnintra = distortion2;
}
if (!disable_skip && mbmi->ref_frame == INTRA_FRAME)
for (i = 0; i < NB_PREDICTION_TYPES; ++i)
best_pred_rd[i] = MIN(best_pred_rd[i], this_rd);
#if CONFIG_PRED_FILTER
// Keep track of the best mode irrespective of prediction filter state
if (this_rd < best_overall_rd) {
best_overall_rd = this_rd;
best_filter_state = mbmi->pred_filter_enabled;
}
// Ignore modes where the prediction filter state doesn't
// match the state signaled at the frame level
if ((cm->pred_filter_mode == 2) ||
(cm->pred_filter_mode ==
mbmi->pred_filter_enabled)) {
#endif
// Did this mode help.. i.e. is it the new best mode
if (this_rd < best_rd || x->skip) {
if (!mode_excluded) {
// Note index of best mode so far
best_mode_index = mode_index;
if (this_mode <= B_PRED) {
if (mbmi->txfm_size != TX_4X4
&& this_mode != B_PRED
&& this_mode != I8X8_PRED)
mbmi->uv_mode = uv_intra_mode_8x8;
else
mbmi->uv_mode = uv_intra_mode;
/* required for left and above block mv */
mbmi->mv[0].as_int = 0;
}
other_cost += ref_costs[mbmi->ref_frame];
/* Calculate the final y RD estimate for this mode */
best_yrd = RDCOST(x->rdmult, x->rddiv, (rate2 - rate_uv - other_cost),
(distortion2 - distortion_uv));
*returnrate = rate2;
*returndistortion = distortion2;
best_rd = this_rd;
vpx_memcpy(&best_mbmode, mbmi, sizeof(MB_MODE_INFO));
vpx_memcpy(&best_partition, x->partition_info, sizeof(PARTITION_INFO));
if ((this_mode == B_PRED)
|| (this_mode == I8X8_PRED)
|| (this_mode == SPLITMV))
for (i = 0; i < 16; i++) {
best_bmodes[i] = xd->block[i].bmi;
}
}
// 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];
}
/* keep record of best compound/single-only prediction */
if (!disable_skip &&
mbmi->ref_frame != INTRA_FRAME) {
int64_t single_rd, hybrid_rd;
int single_rate, hybrid_rate;
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) {
single_rate = rate2 - compmode_cost;
hybrid_rate = rate2;
} else {
single_rate = rate2;
hybrid_rate = rate2 + compmode_cost;
}
single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2);
hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2);
if (mbmi->second_ref_frame == INTRA_FRAME &&
single_rd < best_pred_rd[SINGLE_PREDICTION_ONLY]) {
best_pred_rd[SINGLE_PREDICTION_ONLY] = single_rd;
} else if (mbmi->second_ref_frame != INTRA_FRAME &&
single_rd < best_pred_rd[COMP_PREDICTION_ONLY]) {
best_pred_rd[COMP_PREDICTION_ONLY] = single_rd;
}
if (hybrid_rd < best_pred_rd[HYBRID_PREDICTION])
best_pred_rd[HYBRID_PREDICTION] = hybrid_rd;
}
/* keep record of best txfm size */
if (!mode_excluded && this_rd != INT64_MAX) {
for (i = 0; i < NB_TXFM_MODES; i++) {
int64_t adj_rd;
if (this_mode != B_PRED) {
adj_rd = this_rd + txfm_cache[i] - txfm_cache[cm->txfm_mode];
} else {
adj_rd = this_rd;
}
if (adj_rd < best_txfm_rd[i])
best_txfm_rd[i] = adj_rd;
}
}
#if CONFIG_PRED_FILTER
}
#endif
if (x->skip && !mode_excluded)
break;
}
#if CONFIG_PRED_FILTER
// Update counts for prediction filter usage
if (best_filter_state != 0)
++cpi->pred_filter_on_count;
else
++cpi->pred_filter_off_count;
#endif
if (cpi->common.mcomp_filter_type == SWITCHABLE &&
best_mbmode.mode >= NEARESTMV &&
best_mbmode.mode <= SPLITMV) {
++cpi->switchable_interp_count
[vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
[vp8_switchable_interp_map[best_mbmode.interp_filter]];
}
// 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] >> 2);
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];
}
// This code force Altref,0,0 and skip for the frame that overlays a
// an alrtef unless Altref is filtered. However, this is unsafe if
// segment level coding of ref frame or mode is enabled for this
// segment.
if (!segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!segfeature_active(xd, segment_id, SEG_LVL_MODE) &&
cpi->is_src_frame_alt_ref &&
(cpi->oxcf.arnr_max_frames == 0) &&
(best_mbmode.mode != ZEROMV || best_mbmode.ref_frame != ALTREF_FRAME)) {
mbmi->mode = ZEROMV;
if (cm->txfm_mode != TX_MODE_SELECT)
mbmi->txfm_size = cm->txfm_mode;
else
mbmi->txfm_size = TX_16X16;
mbmi->ref_frame = ALTREF_FRAME;
mbmi->mv[0].as_int = 0;
mbmi->uv_mode = DC_PRED;
mbmi->mb_skip_coeff =
(cpi->common.mb_no_coeff_skip) ? 1 : 0;
mbmi->partitioning = 0;
vpx_memset(best_pred_diff, 0, sizeof(best_pred_diff));
vpx_memset(best_txfm_diff, 0, sizeof(best_txfm_diff));
goto end;
}
// macroblock modes
vpx_memcpy(mbmi, &best_mbmode, sizeof(MB_MODE_INFO));
if (best_mbmode.mode == B_PRED) {
for (i = 0; i < 16; i++) {
xd->mode_info_context->bmi[i].as_mode = best_bmodes[i].as_mode;
xd->block[i].bmi.as_mode = xd->mode_info_context->bmi[i].as_mode;
}
}
if (best_mbmode.mode == I8X8_PRED)
set_i8x8_block_modes(x, mode8x8);
if (best_mbmode.mode == SPLITMV) {
for (i = 0; i < 16; i++)
xd->mode_info_context->bmi[i].as_mv.first.as_int = best_bmodes[i].as_mv.first.as_int;
if (mbmi->second_ref_frame)
for (i = 0; i < 16; i++)
xd->mode_info_context->bmi[i].as_mv.second.as_int = best_bmodes[i].as_mv.second.as_int;
vpx_memcpy(x->partition_info, &best_partition, sizeof(PARTITION_INFO));
mbmi->mv[0].as_int = x->partition_info->bmi[15].mv.as_int;
mbmi->mv[1].as_int = x->partition_info->bmi[15].second_mv.as_int;
}
for (i = 0; i < NB_PREDICTION_TYPES; ++i) {
if (best_pred_rd[i] == INT64_MAX)
best_pred_diff[i] = INT_MIN;
else
best_pred_diff[i] = best_rd - best_pred_rd[i];
}
if (!x->skip) {
for (i = 0; i < NB_TXFM_MODES; i++) {
if (best_txfm_rd[i] == INT64_MAX)
best_txfm_diff[i] = INT_MIN;
else
best_txfm_diff[i] = best_rd - best_txfm_rd[i];
}
} else {
vpx_memset(best_txfm_diff, 0, sizeof(best_txfm_diff));
}
end:
store_coding_context(x, &x->mb_context[xd->mb_index], best_mode_index, &best_partition,
&frame_best_ref_mv[xd->mode_info_context->mbmi.ref_frame],
&frame_best_ref_mv[xd->mode_info_context->mbmi.second_ref_frame],
best_pred_diff[0], best_pred_diff[1], best_pred_diff[2],
best_txfm_diff);
}
#if CONFIG_SUPERBLOCKS
void vp8_rd_pick_intra_mode_sb(VP8_COMP *cpi, MACROBLOCK *x,
int *returnrate,
int *returndist) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
int rate_y, rate_uv;
int rate_y_tokenonly, rate_uv_tokenonly;
int error_y, error_uv;
int dist_y, dist_uv;
int y_skip, uv_skip;
xd->mode_info_context->mbmi.txfm_size = TX_8X8;
error_uv = rd_pick_intra_sbuv_mode(cpi, x, &rate_uv, &rate_uv_tokenonly,
&dist_uv, &uv_skip);
error_y = rd_pick_intra_sby_mode(cpi, x, &rate_y, &rate_y_tokenonly,
&dist_y, &y_skip);
if (cpi->common.mb_no_coeff_skip && y_skip && uv_skip) {
*returnrate = rate_y + rate_uv - rate_y_tokenonly - rate_uv_tokenonly +
vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 1);
*returndist = dist_y + (dist_uv >> 2);
} else {
*returnrate = rate_y + rate_uv;
if (cpi->common.mb_no_coeff_skip)
*returnrate += vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
*returndist = dist_y + (dist_uv >> 2);
}
}
#endif
void vp8_rd_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x,
int *returnrate, int *returndist) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int64_t error4x4, error16x16;
#if CONFIG_COMP_INTRA_PRED
int64_t error4x4d;
int rate4x4d, dist4x4d;
#endif
int rate4x4, rate16x16 = 0, rateuv, rateuv8x8;
int dist4x4, dist16x16, distuv, distuv8x8;
int rate;
int rate4x4_tokenonly = 0;
int rate16x16_tokenonly = 0;
int rateuv_tokenonly = 0, rateuv8x8_tokenonly = 0;
int64_t error8x8;
int rate8x8_tokenonly=0;
int rate8x8, dist8x8;
int mode16x16;
int mode8x8[2][4];
int dist;
int modeuv, modeuv8x8, uv_intra_skippable, uv_intra_skippable_8x8;
int y_intra16x16_skippable;
int64_t txfm_cache[NB_TXFM_MODES];
TX_SIZE txfm_size_16x16;
int i;
mbmi->ref_frame = INTRA_FRAME;
rd_pick_intra_mbuv_mode(cpi, x, &rateuv, &rateuv_tokenonly, &distuv,
&uv_intra_skippable);
modeuv = mbmi->uv_mode;
if (cpi->common.txfm_mode != ONLY_4X4) {
rd_pick_intra_mbuv_mode_8x8(cpi, x, &rateuv8x8, &rateuv8x8_tokenonly,
&distuv8x8, &uv_intra_skippable_8x8);
modeuv8x8 = mbmi->uv_mode;
} else {
uv_intra_skippable_8x8 = uv_intra_skippable;
rateuv8x8 = rateuv;
distuv8x8 = distuv;
rateuv8x8_tokenonly = rateuv_tokenonly;
modeuv8x8 = modeuv;
}
// current macroblock under rate-distortion optimization test loop
error16x16 = rd_pick_intra16x16mby_mode(cpi, x, &rate16x16,
&rate16x16_tokenonly, &dist16x16,
&y_intra16x16_skippable, txfm_cache);
mode16x16 = mbmi->mode;
txfm_size_16x16 = mbmi->txfm_size;
// FIXME(rbultje) support transform-size selection
mbmi->txfm_size = (cm->txfm_mode == ONLY_4X4) ? TX_4X4 : TX_8X8;
error8x8 = rd_pick_intra8x8mby_modes(cpi, x, &rate8x8, &rate8x8_tokenonly,
&dist8x8, error16x16);
mode8x8[0][0]= xd->mode_info_context->bmi[0].as_mode.first;
mode8x8[0][1]= xd->mode_info_context->bmi[2].as_mode.first;
mode8x8[0][2]= xd->mode_info_context->bmi[8].as_mode.first;
mode8x8[0][3]= xd->mode_info_context->bmi[10].as_mode.first;
#if CONFIG_COMP_INTRA_PRED
mode8x8[1][0] = xd->mode_info_context->bmi[0].as_mode.second;
mode8x8[1][1] = xd->mode_info_context->bmi[2].as_mode.second;
mode8x8[1][2] = xd->mode_info_context->bmi[8].as_mode.second;
mode8x8[1][3] = xd->mode_info_context->bmi[10].as_mode.second;
#endif
error4x4 = rd_pick_intra4x4mby_modes(cpi, x,
&rate4x4, &rate4x4_tokenonly,
&dist4x4, error16x16,
#if CONFIG_COMP_INTRA_PRED
0,
#endif
0);
#if CONFIG_COMP_INTRA_PRED
error4x4d = rd_pick_intra4x4mby_modes(cpi, x,
&rate4x4d, &rate4x4_tokenonly,
&dist4x4d, error16x16, 1, 0);
#endif
mbmi->mb_skip_coeff = 0;
if (cpi->common.mb_no_coeff_skip &&
y_intra16x16_skippable && uv_intra_skippable_8x8) {
mbmi->mb_skip_coeff = 1;
mbmi->mode = mode16x16;
mbmi->uv_mode = modeuv;
rate = rateuv8x8 + rate16x16 - rateuv8x8_tokenonly - rate16x16_tokenonly +
vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 1);
dist = dist16x16 + (distuv8x8 >> 2);
mbmi->txfm_size = txfm_size_16x16;
memset(x->mb_context[xd->mb_index].txfm_rd_diff, 0,
sizeof(x->mb_context[xd->mb_index].txfm_rd_diff));
} else if (error8x8 > error16x16) {
if (error4x4 < error16x16) {
rate = rateuv;
#if CONFIG_COMP_INTRA_PRED
rate += (error4x4d < error4x4) ? rate4x4d : rate4x4;
if (error4x4d >= error4x4) // FIXME save original modes etc.
error4x4 = rd_pick_intra4x4mby_modes(cpi, x, &rate4x4,
&rate4x4_tokenonly,
&dist4x4, error16x16, 0,
cpi->update_context);
#else
rate += rate4x4;
#endif
mbmi->mode = B_PRED;
mbmi->txfm_size = TX_4X4;
dist = dist4x4 + (distuv >> 2);
memset(x->mb_context[xd->mb_index].txfm_rd_diff, 0,
sizeof(x->mb_context[xd->mb_index].txfm_rd_diff));
} else {
mbmi->txfm_size = txfm_size_16x16;
mbmi->mode = mode16x16;
rate = rate16x16 + rateuv8x8;
dist = dist16x16 + (distuv8x8 >> 2);
for (i = 0; i < NB_TXFM_MODES; i++) {
x->mb_context[xd->mb_index].txfm_rd_diff[i] = error16x16 - txfm_cache[i];
}
}
if (cpi->common.mb_no_coeff_skip)
rate += vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
} else {
if (error4x4 < error8x8) {
rate = rateuv;
#if CONFIG_COMP_INTRA_PRED
rate += (error4x4d < error4x4) ? rate4x4d : rate4x4;
if (error4x4d >= error4x4) // FIXME save original modes etc.
error4x4 = rd_pick_intra4x4mby_modes(cpi, x, &rate4x4,
&rate4x4_tokenonly,
&dist4x4, error16x16, 0,
cpi->update_context);
#else
rate += rate4x4;
#endif
mbmi->mode = B_PRED;
mbmi->txfm_size = TX_4X4;
dist = dist4x4 + (distuv >> 2);
memset(x->mb_context[xd->mb_index].txfm_rd_diff, 0,
sizeof(x->mb_context[xd->mb_index].txfm_rd_diff));
} else {
// FIXME(rbultje) support transform-size selection
mbmi->mode = I8X8_PRED;
mbmi->txfm_size = (cm->txfm_mode == ONLY_4X4) ? TX_4X4 : TX_8X8;
set_i8x8_block_modes(x, mode8x8);
rate = rate8x8 + rateuv;
dist = dist8x8 + (distuv >> 2);
memset(x->mb_context[xd->mb_index].txfm_rd_diff, 0,
sizeof(x->mb_context[xd->mb_index].txfm_rd_diff));
}
if (cpi->common.mb_no_coeff_skip)
rate += vp8_cost_bit(vp9_get_pred_prob(cm, xd, PRED_MBSKIP), 0);
}
*returnrate = rate;
*returndist = dist;
}
#if CONFIG_SUPERBLOCKS
int64_t vp8_rd_pick_inter_mode_sb(VP8_COMP *cpi, MACROBLOCK *x,
int recon_yoffset, int recon_uvoffset,
int *returnrate, int *returndistortion) {
VP8_COMMON *cm = &cpi->common;
MACROBLOCKD *xd = &x->e_mbd;
MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi;
MB_PREDICTION_MODE this_mode;
MV_REFERENCE_FRAME ref_frame;
unsigned char segment_id = xd->mode_info_context->mbmi.segment_id;
int comp_pred;
int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
int_mv frame_best_ref_mv[4];
int frame_mdcounts[4][4];
unsigned char *y_buffer[4];
unsigned char *u_buffer[4];
unsigned char *v_buffer[4];
static const int flag_list[4] = { 0, VP8_LAST_FLAG, VP8_GOLD_FLAG,
VP8_ALT_FLAG };
int idx_list[4] = { 0, cpi->common.lst_fb_idx, cpi->common.gld_fb_idx,
cpi->common.alt_fb_idx };
int mdcounts[4];
int near_sadidx[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
int saddone = 0;
int64_t best_rd = INT64_MAX;
int64_t best_comp_rd = INT64_MAX;
int64_t best_single_rd = INT64_MAX;
int64_t best_hybrid_rd = INT64_MAX;
int64_t best_yrd = INT64_MAX;
MB_MODE_INFO best_mbmode;
int mode_index, best_mode_index;
unsigned int ref_costs[MAX_REF_FRAMES];
x->skip = 0;
xd->mode_info_context->mbmi.segment_id = segment_id;
vp8_estimate_ref_frame_costs(cpi, segment_id, ref_costs);
vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) {
if (cpi->ref_frame_flags & flag_list[ref_frame]) {
setup_buffer_inter(cpi, x, idx_list[ref_frame], ref_frame,
recon_yoffset, recon_uvoffset, frame_mv[NEARESTMV],
frame_mv[NEARMV], frame_best_ref_mv,
frame_mdcounts, y_buffer, u_buffer, v_buffer);
}
frame_mv[NEWMV][ref_frame].as_int = INVALID_MV;
frame_mv[ZEROMV][ref_frame].as_int = 0;
}
for (mode_index = 0; mode_index < MAX_MODES; mode_index++) {
int mode_excluded;
int64_t this_rd = INT64_MAX;
int disable_skip = 0;
int other_cost = 0;
int compmode_cost = 0;
int rate2 = 0, rate_y = 0, rate_uv = 0;
int distortion2 = 0, distortion_y = 0, distortion_uv = 0;
int skippable;
int64_t txfm_cache[NB_TXFM_MODES];
// Test best rd so far against threshold for trying this mode.
if (best_rd <= cpi->rd_threshes[mode_index]) {
continue;
}
this_mode = vp8_mode_order[mode_index].mode;
ref_frame = vp8_mode_order[mode_index].ref_frame;
mbmi->ref_frame = ref_frame;
comp_pred = vp8_mode_order[mode_index].second_ref_frame != INTRA_FRAME;
mbmi->mode = this_mode;
mbmi->uv_mode = DC_PRED;
#if CONFIG_COMP_INTRA_PRED
mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
mbmi->second_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
#endif
if (!(cpi->ref_frame_flags & flag_list[ref_frame]))
continue;
// not yet supported or not superblocky
// TODO(rbultje): support intra coding
if (ref_frame == INTRA_FRAME || this_mode == SPLITMV)
continue;
if (comp_pred) {
int second_ref;
if (ref_frame == ALTREF_FRAME) {
second_ref = LAST_FRAME;
} else {
second_ref = ref_frame + 1;
}
if (!(cpi->ref_frame_flags & flag_list[second_ref]))
continue;
mbmi->second_ref_frame = second_ref;
xd->second_pre.y_buffer = y_buffer[second_ref];
xd->second_pre.u_buffer = u_buffer[second_ref];
xd->second_pre.v_buffer = v_buffer[second_ref];
mode_excluded = cm->comp_pred_mode == SINGLE_PREDICTION_ONLY;
} else {
mbmi->second_ref_frame = INTRA_FRAME;
mode_excluded = cm->comp_pred_mode == COMP_PREDICTION_ONLY;
}
xd->pre.y_buffer = y_buffer[ref_frame];
xd->pre.u_buffer = u_buffer[ref_frame];
xd->pre.v_buffer = v_buffer[ref_frame];
vpx_memcpy(mdcounts, frame_mdcounts[ref_frame], sizeof(mdcounts));
// If the segment reference frame feature is enabled....
// then do nothing if the current ref frame is not allowed..
if (segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!check_segref(xd, segment_id, ref_frame)) {
continue;
}
// If the segment mode feature is enabled....
// then do nothing if the current mode is not allowed..
else if (segfeature_active(xd, segment_id, SEG_LVL_MODE) &&
(this_mode != get_segdata(xd, segment_id, SEG_LVL_MODE))) {
continue;
}
// Disable this drop out case if either the mode or ref frame
// segment level feature is enabled for this segment. This is to
// prevent the possibility that we end up unable to pick any mode.
else if (!segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!segfeature_active(xd, segment_id, SEG_LVL_MODE)) {
// Only consider ZEROMV/ALTREF_FRAME for alt ref frame,
// unless ARNR filtering is enabled in which case we want
// an unfiltered alternative
if (cpi->is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) {
if (this_mode != ZEROMV || ref_frame != ALTREF_FRAME) {
continue;
}
}
}
this_rd = handle_inter_mode(cpi, x, BLOCK_32X32,
&saddone, near_sadidx, mdcounts, txfm_cache,
&rate2, &distortion2, &skippable,
&compmode_cost, &rate_y, &distortion_y,
&rate_uv, &distortion_uv,
&mode_excluded, &disable_skip, recon_yoffset,
mode_index, frame_mv, frame_best_ref_mv);
if (this_rd == INT64_MAX)
continue;
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) {
rate2 += compmode_cost;
}
// Estimate the reference frame signaling cost and add it
// to the rolling cost variable.
rate2 += ref_costs[xd->mode_info_context->mbmi.ref_frame];
if (!disable_skip) {
// Test for the condition where skip block will be activated
// because there are no non zero coefficients and make any
// necessary adjustment for rate. Ignore if skip is coded at
// segment level as the cost wont have been added in.
if (cpi->common.mb_no_coeff_skip) {
int mb_skip_allowed;
// Is Mb level skip allowed for this mb.
mb_skip_allowed =
!segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
get_segdata(xd, segment_id, SEG_LVL_EOB);
if (skippable) {
// Back out the coefficient coding costs
rate2 -= (rate_y + rate_uv);
// for best_yrd calculation
rate_uv = 0;
if (mb_skip_allowed) {
int prob_skip_cost;
// Cost the skip mb case
vp8_prob skip_prob =
vp9_get_pred_prob(cm, xd, PRED_MBSKIP);
if (skip_prob) {
prob_skip_cost = vp8_cost_bit(skip_prob, 1);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
}
// Add in the cost of the no skip flag.
else if (mb_skip_allowed) {
int prob_skip_cost = vp8_cost_bit(vp9_get_pred_prob(cm, xd,
PRED_MBSKIP), 0);
rate2 += prob_skip_cost;
other_cost += prob_skip_cost;
}
}
// Calculate the final RD estimate for this mode.
this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
}
#if 0
// Keep record of best intra distortion
if ((xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) &&
(this_rd < best_intra_rd)) {
best_intra_rd = this_rd;
*returnintra = distortion2;
}
#endif
if (!disable_skip && xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) {
if (this_rd < best_comp_rd)
best_comp_rd = this_rd;
if (this_rd < best_single_rd)
best_single_rd = this_rd;
if (this_rd < best_hybrid_rd)
best_hybrid_rd = this_rd;
}
// Did this mode help.. i.e. is it the new best mode
if (this_rd < best_rd || x->skip) {
if (!mode_excluded) {
// Note index of best mode so far
best_mode_index = mode_index;
#if 0
if (this_mode <= B_PRED) {
xd->mode_info_context->mbmi.uv_mode = uv_intra_mode_8x8;
/* required for left and above block mv */
xd->mode_info_context->mbmi.mv.as_int = 0;
}
#endif
other_cost += ref_costs[xd->mode_info_context->mbmi.ref_frame];
/* Calculate the final y RD estimate for this mode */
best_yrd = RDCOST(x->rdmult, x->rddiv, (rate2 - rate_uv - other_cost),
(distortion2 - distortion_uv));
*returnrate = rate2;
*returndistortion = distortion2;
best_rd = this_rd;
vpx_memcpy(&best_mbmode, mbmi, sizeof(MB_MODE_INFO));
}
#if 0
// 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];
#endif
}
// If the mode did not help improve the best error case then raise the threshold for testing that mode next time around.
else {
#if 0
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];
#endif
}
/* keep record of best compound/single-only prediction */
if (!disable_skip && mbmi->ref_frame != INTRA_FRAME) {
int single_rd, hybrid_rd, single_rate, hybrid_rate;
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) {
single_rate = rate2 - compmode_cost;
hybrid_rate = rate2;
} else {
single_rate = rate2;
hybrid_rate = rate2 + compmode_cost;
}
single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2);
hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2);
if (mbmi->second_ref_frame == INTRA_FRAME && single_rd < best_single_rd) {
best_single_rd = single_rd;
} else if (mbmi->second_ref_frame != INTRA_FRAME &&
single_rd < best_comp_rd) {
best_comp_rd = single_rd;
}
if (hybrid_rd < best_hybrid_rd) {
best_hybrid_rd = hybrid_rd;
}
}
if (x->skip && !mode_excluded)
break;
}
// TODO(rbultje) integrate with RD thresholding
#if 0
// 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] >> 2);
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];
}
#endif
// This code forces Altref,0,0 and skip for the frame that overlays a
// an alrtef unless Altref is filtered. However, this is unsafe if
// segment level coding of ref frame or mode is enabled for this
// segment.
if (!segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!segfeature_active(xd, segment_id, SEG_LVL_MODE) &&
cpi->is_src_frame_alt_ref &&
(cpi->oxcf.arnr_max_frames == 0) &&
(best_mbmode.mode != ZEROMV || best_mbmode.ref_frame != ALTREF_FRAME)) {
mbmi->mode = ZEROMV;
mbmi->ref_frame = ALTREF_FRAME;
mbmi->second_ref_frame = 0;
mbmi->mv[0].as_int = 0;
mbmi->uv_mode = DC_PRED;
mbmi->mb_skip_coeff = (cpi->common.mb_no_coeff_skip) ? 1 : 0;
mbmi->partitioning = 0;
mbmi->txfm_size = TX_8X8;
if (best_rd != INT64_MAX)
store_coding_context(x, &x->sb_context[0], best_mode_index, NULL,
&frame_best_ref_mv[mbmi->ref_frame],
&frame_best_ref_mv[mbmi->second_ref_frame],
0, 0, 0, NULL);
return best_rd;
}
// macroblock modes
vpx_memcpy(mbmi, &best_mbmode, sizeof(MB_MODE_INFO));
mbmi->txfm_size = TX_8X8;
if (best_rd != INT64_MAX)
store_coding_context(x, &x->sb_context[0], best_mode_index, NULL,
&frame_best_ref_mv[mbmi->ref_frame],
&frame_best_ref_mv[mbmi->second_ref_frame],
(best_single_rd == INT64_MAX) ? INT_MIN :
(best_rd - best_single_rd),
(best_comp_rd == INT64_MAX) ? INT_MIN :
(best_rd - best_comp_rd),
(best_hybrid_rd == INT64_MAX) ? INT_MIN :
(best_rd - best_hybrid_rd),
NULL);
return best_rd;
}
#endif
void vp8cx_pick_mode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
int recon_yoffset,
int recon_uvoffset,
int *totalrate, int *totaldist) {
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
int rate, distortion;
int64_t intra_error = 0;
unsigned char *segment_id = &mbmi->segment_id;
if (xd->segmentation_enabled)
x->encode_breakout = cpi->segment_encode_breakout[*segment_id];
else
x->encode_breakout = cpi->oxcf.encode_breakout;
// if (cpi->sf.RD)
// For now this codebase is limited to a single rd encode path
{
int zbin_mode_boost_enabled = cpi->zbin_mode_boost_enabled;
vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error);
/* restore cpi->zbin_mode_boost_enabled */
cpi->zbin_mode_boost_enabled = zbin_mode_boost_enabled;
}
// else
// The non rd encode path has been deleted from this code base
// to simplify development
// vp8_pick_inter_mode
// Store metrics so they can be added in to totals if this mode is picked
x->mb_context[xd->mb_index].distortion = distortion;
x->mb_context[xd->mb_index].intra_error = intra_error;
*totalrate = rate;
*totaldist = distortion;
}
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