Commit 3df5c54a authored by Dmitry Kovalev's avatar Dmitry Kovalev

Cleaning up vp9_encodeframe.c.

Change-Id: I6d9f595249dc71752abe16c042d3b07aa2e4248d
parent 21a0c1f3
......@@ -27,6 +27,7 @@
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_seg_common.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_tile_common.h"
#include "vp9/encoder/vp9_encodeframe.h"
#include "vp9/encoder/vp9_encodemb.h"
......@@ -35,11 +36,9 @@
#include "vp9/encoder/vp9_onyx_int.h"
#include "vp9/encoder/vp9_rdopt.h"
#include "vp9/encoder/vp9_segmentation.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/encoder/vp9_tokenize.h"
#include "vp9/encoder/vp9_vaq.h"
#define DBG_PRNT_SEGMAP 0
......@@ -78,21 +77,19 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t, int output_enabled,
static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
/* activity_avg must be positive, or flat regions could get a zero weight
* (infinite lambda), which confounds analysis.
* This also avoids the need for divide by zero checks in
* vp9_activity_masking().
*/
// activity_avg must be positive, or flat regions could get a zero weight
// (infinite lambda), which confounds analysis.
// This also avoids the need for divide by zero checks in
// vp9_activity_masking().
#define ACTIVITY_AVG_MIN (64)
/* Motion vector component magnitude threshold for defining fast motion. */
// Motion vector component magnitude threshold for defining fast motion.
#define FAST_MOTION_MV_THRESH (24)
/* This is used as a reference when computing the source variance for the
* purposes of activity masking.
* Eventually this should be replaced by custom no-reference routines,
* which will be faster.
*/
// This is used as a reference when computing the source variance for the
// purposes of activity masking.
// Eventually this should be replaced by custom no-reference routines,
// which will be faster.
static const uint8_t VP9_VAR_OFFS[64] = {
128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128,
......@@ -114,7 +111,6 @@ static unsigned int get_sby_perpixel_variance(VP9_COMP *cpi, MACROBLOCK *x,
// Original activity measure from Tim T's code.
static unsigned int tt_activity_measure(MACROBLOCK *x) {
unsigned int act;
unsigned int sse;
/* TODO: This could also be done over smaller areas (8x8), but that would
* require extensive changes elsewhere, as lambda is assumed to be fixed
......@@ -123,13 +119,12 @@ static unsigned int tt_activity_measure(MACROBLOCK *x) {
* lambda using a non-linear combination (e.g., the smallest, or second
* smallest, etc.).
*/
act = vp9_variance16x16(x->plane[0].src.buf, x->plane[0].src.stride,
VP9_VAR_OFFS, 0, &sse);
act <<= 4;
/* If the region is flat, lower the activity some more. */
if (act < 8 << 12)
act = act < 5 << 12 ? act : 5 << 12;
unsigned int act = vp9_variance16x16(x->plane[0].src.buf,
x->plane[0].src.stride,
VP9_VAR_OFFS, 0, &sse) << 4;
// If the region is flat, lower the activity some more.
if (act < (8 << 12))
act = MIN(act, 5 << 12);
return act;
}
......@@ -146,7 +141,7 @@ static unsigned int mb_activity_measure(MACROBLOCK *x, int mb_row, int mb_col) {
unsigned int mb_activity;
if (ALT_ACT_MEASURE) {
int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
const int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
// Or use and alternative.
mb_activity = alt_activity_measure(x, use_dc_pred);
......@@ -155,10 +150,7 @@ static unsigned int mb_activity_measure(MACROBLOCK *x, int mb_row, int mb_col) {
mb_activity = tt_activity_measure(x);
}
if (mb_activity < ACTIVITY_AVG_MIN)
mb_activity = ACTIVITY_AVG_MIN;
return mb_activity;
return MAX(mb_activity, ACTIVITY_AVG_MIN);
}
// Calculate an "average" mb activity value for the frame
......@@ -340,13 +332,11 @@ void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
x->errorperbit += (x->errorperbit == 0);
#else
int64_t a;
int64_t b;
int64_t act = *(x->mb_activity_ptr);
const int64_t act = *(x->mb_activity_ptr);
// Apply the masking to the RD multiplier.
a = act + (2 * cpi->activity_avg);
b = (2 * act) + cpi->activity_avg;
const int64_t a = act + (2 * cpi->activity_avg);
const int64_t b = (2 * act) + cpi->activity_avg;
x->rdmult = (unsigned int) (((int64_t) x->rdmult * b + (a >> 1)) / a);
x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
......@@ -415,7 +405,7 @@ static void update_state(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
MODE_INFO *mi_addr = xd->mi_8x8[0];
int mb_mode_index = ctx->best_mode_index;
const int mb_mode_index = ctx->best_mode_index;
const int mis = cm->mode_info_stride;
const int mi_width = num_8x8_blocks_wide_lookup[bsize];
const int mi_height = num_8x8_blocks_high_lookup[bsize];
......@@ -506,8 +496,8 @@ static void update_state(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
} else {
// Note how often each mode chosen as best
cpi->mode_chosen_counts[mb_mode_index]++;
if (is_inter_block(mbmi)
&& (mbmi->sb_type < BLOCK_8X8 || mbmi->mode == NEWMV)) {
if (is_inter_block(mbmi) &&
(mbmi->sb_type < BLOCK_8X8 || mbmi->mode == NEWMV)) {
int_mv best_mv[2];
const MV_REFERENCE_FRAME rf1 = mbmi->ref_frame[0];
const MV_REFERENCE_FRAME rf2 = mbmi->ref_frame[1];
......@@ -611,15 +601,15 @@ static void set_offsets(VP9_COMP *cpi, const TileInfo *const tile,
/* segment ID */
if (seg->enabled) {
if (cpi->oxcf.aq_mode != VARIANCE_AQ) {
uint8_t *map = seg->update_map ? cpi->segmentation_map
: cm->last_frame_seg_map;
const uint8_t *const map = seg->update_map ? cpi->segmentation_map
: cm->last_frame_seg_map;
mbmi->segment_id = vp9_get_segment_id(cm, map, bsize, mi_row, mi_col);
}
vp9_mb_init_quantizer(cpi, x);
if (seg->enabled && cpi->seg0_cnt > 0
&& !vp9_segfeature_active(seg, 0, SEG_LVL_REF_FRAME)
&& vp9_segfeature_active(seg, 1, SEG_LVL_REF_FRAME)) {
if (seg->enabled && cpi->seg0_cnt > 0 &&
!vp9_segfeature_active(seg, 0, SEG_LVL_REF_FRAME) &&
vp9_segfeature_active(seg, 1, SEG_LVL_REF_FRAME)) {
cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
} else {
const int y = mb_row & ~3;
......@@ -688,13 +678,8 @@ static void pick_sb_modes(VP9_COMP *cpi, const TileInfo *const tile,
x->source_variance = get_sby_perpixel_variance(cpi, x, bsize);
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
int energy;
if (bsize <= BLOCK_16X16) {
energy = x->mb_energy;
} else {
energy = vp9_block_energy(cpi, x, bsize);
}
const int energy = bsize <= BLOCK_16X16 ? x->mb_energy
: vp9_block_energy(cpi, x, bsize);
xd->mi_8x8[0]->mbmi.segment_id = vp9_vaq_segment_id(energy);
rdmult_ratio = vp9_vaq_rdmult_ratio(energy);
vp9_mb_init_quantizer(cpi, x);
......@@ -958,7 +943,7 @@ static void encode_sb(VP9_COMP *cpi, const TileInfo *const tile,
static BLOCK_SIZE find_partition_size(BLOCK_SIZE bsize,
int rows_left, int cols_left,
int *bh, int *bw) {
if ((rows_left <= 0) || (cols_left <= 0)) {
if (rows_left <= 0 || cols_left <= 0) {
return MIN(bsize, BLOCK_8X8);
} else {
for (; bsize > 0; --bsize) {
......@@ -985,7 +970,7 @@ static void set_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
int row8x8_remaining = tile->mi_row_end - mi_row;
int col8x8_remaining = tile->mi_col_end - mi_col;
int block_row, block_col;
MODE_INFO * mi_upper_left = cm->mi + mi_row * mis + mi_col;
MODE_INFO *mi_upper_left = cm->mi + mi_row * mis + mi_col;
int bh = num_8x8_blocks_high_lookup[bsize];
int bw = num_8x8_blocks_wide_lookup[bsize];
......@@ -1024,12 +1009,10 @@ static void copy_partitioning(VP9_COMMON *cm, MODE_INFO **mi_8x8,
for (block_row = 0; block_row < 8; ++block_row) {
for (block_col = 0; block_col < 8; ++block_col) {
MODE_INFO *prev_mi = prev_mi_8x8[block_row * mis + block_col];
BLOCK_SIZE sb_type = prev_mi ? prev_mi->mbmi.sb_type : 0;
ptrdiff_t offset;
MODE_INFO *const prev_mi = prev_mi_8x8[block_row * mis + block_col];
const BLOCK_SIZE sb_type = prev_mi ? prev_mi->mbmi.sb_type : 0;
if (prev_mi) {
offset = prev_mi - cm->prev_mi;
const ptrdiff_t offset = prev_mi - cm->prev_mi;
mi_8x8[block_row * mis + block_col] = cm->mi + offset;
mi_8x8[block_row * mis + block_col]->mbmi.sb_type = sb_type;
}
......@@ -1037,14 +1020,14 @@ static void copy_partitioning(VP9_COMMON *cm, MODE_INFO **mi_8x8,
}
}
static int sb_has_motion(VP9_COMMON *cm, MODE_INFO **prev_mi_8x8) {
static int sb_has_motion(const VP9_COMMON *cm, MODE_INFO **prev_mi_8x8) {
const int mis = cm->mode_info_stride;
int block_row, block_col;
if (cm->prev_mi) {
for (block_row = 0; block_row < 8; ++block_row) {
for (block_col = 0; block_col < 8; ++block_col) {
MODE_INFO * prev_mi = prev_mi_8x8[block_row * mis + block_col];
const MODE_INFO *prev_mi = prev_mi_8x8[block_row * mis + block_col];
if (prev_mi) {
if (abs(prev_mi->mbmi.mv[0].as_mv.row) >= 8 ||
abs(prev_mi->mbmi.mv[0].as_mv.col) >= 8)
......@@ -1065,12 +1048,12 @@ static void rd_use_partition(VP9_COMP *cpi,
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
const int mis = cm->mode_info_stride;
int bsl = b_width_log2(bsize);
const int bsl = b_width_log2(bsize);
const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize];
const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize];
int ms = num_4x4_blocks_wide / 2;
int mh = num_4x4_blocks_high / 2;
int bss = (1 << bsl) / 4;
const int ms = num_4x4_blocks_wide / 2;
const int mh = num_4x4_blocks_high / 2;
const int bss = (1 << bsl) / 4;
int i, pl;
PARTITION_TYPE partition = PARTITION_NONE;
BLOCK_SIZE subsize;
......@@ -1092,7 +1075,6 @@ static void rd_use_partition(VP9_COMP *cpi,
return;
partition = partition_lookup[bsl][bs_type];
subsize = get_subsize(bsize, partition);
if (bsize < BLOCK_8X8) {
......@@ -2265,16 +2247,14 @@ static void reset_skip_txfm_size(VP9_COMMON *cm, TX_SIZE txfm_max) {
}
static int get_frame_type(VP9_COMP *cpi) {
int frame_type;
if (frame_is_intra_only(&cpi->common))
frame_type = 0;
return 0;
else if (cpi->rc.is_src_frame_alt_ref && cpi->refresh_golden_frame)
frame_type = 3;
return 3;
else if (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)
frame_type = 1;
return 1;
else
frame_type = 2;
return frame_type;
return 2;
}
static void select_tx_mode(VP9_COMP *cpi) {
......@@ -2315,10 +2295,10 @@ void vp9_encode_frame(VP9_COMP *cpi) {
// side behavior is where the ALT ref buffer has opposite sign bias to
// the other two.
if (!frame_is_intra_only(cm)) {
if ((cm->ref_frame_sign_bias[ALTREF_FRAME]
== cm->ref_frame_sign_bias[GOLDEN_FRAME])
|| (cm->ref_frame_sign_bias[ALTREF_FRAME]
== cm->ref_frame_sign_bias[LAST_FRAME])) {
if ((cm->ref_frame_sign_bias[ALTREF_FRAME] ==
cm->ref_frame_sign_bias[GOLDEN_FRAME]) ||
(cm->ref_frame_sign_bias[ALTREF_FRAME] ==
cm->ref_frame_sign_bias[LAST_FRAME])) {
cm->allow_comp_inter_inter = 0;
} else {
cm->allow_comp_inter_inter = 1;
......@@ -2401,8 +2381,7 @@ void vp9_encode_frame(VP9_COMP *cpi) {
int64_t pd = cpi->rd_tx_select_diff[i];
int diff;
if (i == TX_MODE_SELECT)
pd -= RDCOST(cpi->mb.rdmult, cpi->mb.rddiv,
2048 * (TX_SIZES - 1), 0);
pd -= RDCOST(cpi->mb.rdmult, cpi->mb.rddiv, 2048 * (TX_SIZES - 1), 0);
diff = (int) (pd / cm->MBs);
cpi->rd_tx_select_threshes[frame_type][i] += diff;
cpi->rd_tx_select_threshes[frame_type][i] /= 2;
......@@ -2466,12 +2445,12 @@ void vp9_encode_frame(VP9_COMP *cpi) {
}
}
static void sum_intra_stats(VP9_COMMON *cm, const MODE_INFO *mi) {
static void sum_intra_stats(FRAME_COUNTS *counts, const MODE_INFO *mi) {
const MB_PREDICTION_MODE y_mode = mi->mbmi.mode;
const MB_PREDICTION_MODE uv_mode = mi->mbmi.uv_mode;
const BLOCK_SIZE bsize = mi->mbmi.sb_type;
++cm->counts.uv_mode[y_mode][uv_mode];
++counts->uv_mode[y_mode][uv_mode];
if (bsize < BLOCK_8X8) {
int idx, idy;
......@@ -2479,9 +2458,9 @@ static void sum_intra_stats(VP9_COMMON *cm, const MODE_INFO *mi) {
const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize];
for (idy = 0; idy < 2; idy += num_4x4_blocks_high)
for (idx = 0; idx < 2; idx += num_4x4_blocks_wide)
++cm->counts.y_mode[0][mi->bmi[idy * 2 + idx].as_mode];
++counts->y_mode[0][mi->bmi[idy * 2 + idx].as_mode];
} else {
++cm->counts.y_mode[size_group_lookup[bsize]][y_mode];
++counts->y_mode[size_group_lookup[bsize]][y_mode];
}
}
......@@ -2506,7 +2485,7 @@ static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x) {
#endif
}
static int get_zbin_mode_boost(MB_MODE_INFO *mbmi, int enabled) {
static int get_zbin_mode_boost(const MB_MODE_INFO *mbmi, int enabled) {
if (enabled) {
if (is_inter_block(mbmi)) {
if (mbmi->mode == ZEROMV) {
......@@ -2526,9 +2505,9 @@ static int get_zbin_mode_boost(MB_MODE_INFO *mbmi, int enabled) {
static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t, int output_enabled,
int mi_row, int mi_col, BLOCK_SIZE bsize) {
VP9_COMMON * const cm = &cpi->common;
MACROBLOCK * const x = &cpi->mb;
MACROBLOCKD * const xd = &x->e_mbd;
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
MODE_INFO **mi_8x8 = xd->mi_8x8;
MODE_INFO *mi = mi_8x8[0];
MB_MODE_INFO *mbmi = &mi->mbmi;
......@@ -2571,7 +2550,7 @@ static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t, int output_enabled,
vp9_encode_intra_block_y(x, MAX(bsize, BLOCK_8X8));
vp9_encode_intra_block_uv(x, MAX(bsize, BLOCK_8X8));
if (output_enabled)
sum_intra_stats(cm, mi);
sum_intra_stats(&cm->counts, mi);
} else {
int ref;
const int is_compound = has_second_ref(mbmi);
......
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