ref: 3b013f7ff8650219aaa9c99cb608441f0d7e18c2
parent: 61fcdc382107a171d396531b8aa907348c594811
author: Yunqing Wang <yunqingwang@google.com>
date: Wed Dec 19 12:03:30 EST 2018
Refactor temporal filtering Refactored temporal filtering, so that it was not hard-coded to 16x16 block size. Change-Id: I06d0787660ff6eee6a8f02a846ad0e26c6825f54
--- a/vp9/encoder/vp9_ethread.c
+++ b/vp9/encoder/vp9_ethread.c
@@ -510,8 +510,8 @@
tile_col = proc_job->tile_col_id;
tile_row = proc_job->tile_row_id;
this_tile = &cpi->tile_data[tile_row * tile_cols + tile_col];
- mb_col_start = (this_tile->tile_info.mi_col_start) >> 1;
- mb_col_end = (this_tile->tile_info.mi_col_end + 1) >> 1;
+ mb_col_start = (this_tile->tile_info.mi_col_start) >> TF_SHIFT;
+ mb_col_end = (this_tile->tile_info.mi_col_end + TF_ROUND) >> TF_SHIFT;
mb_row = proc_job->vert_unit_row_num;
vp9_temporal_filter_iterate_row_c(cpi, thread_data->td, mb_row,
--- a/vp9/encoder/vp9_multi_thread.c
+++ b/vp9/encoder/vp9_multi_thread.c
@@ -13,6 +13,7 @@
#include "vp9/encoder/vp9_encoder.h"
#include "vp9/encoder/vp9_ethread.h"
#include "vp9/encoder/vp9_multi_thread.h"
+#include "vp9/encoder/vp9_temporal_filter.h"
void *vp9_enc_grp_get_next_job(MultiThreadHandle *multi_thread_ctxt,
int tile_id) {
@@ -73,7 +74,7 @@
const int sb_rows = mi_cols_aligned_to_sb(cm->mi_rows) >> MI_BLOCK_SIZE_LOG2;
int jobs_per_tile_col, total_jobs;
- jobs_per_tile_col = VPXMAX(cm->mb_rows, sb_rows);
+ jobs_per_tile_col = VPXMAX(((cm->mi_rows + TF_ROUND) >> TF_SHIFT), sb_rows);
// Calculate the total number of jobs
total_jobs = jobs_per_tile_col * tile_cols;
@@ -232,7 +233,9 @@
const int sb_rows = mi_cols_aligned_to_sb(cm->mi_rows) >> MI_BLOCK_SIZE_LOG2;
int tile_col, i;
- jobs_per_tile_col = (job_type != ENCODE_JOB) ? cm->mb_rows : sb_rows;
+ jobs_per_tile_col = (job_type != ENCODE_JOB)
+ ? ((cm->mi_rows + TF_ROUND) >> TF_SHIFT)
+ : sb_rows;
total_jobs = jobs_per_tile_col * tile_cols;
multi_thread_ctxt->jobs_per_tile_col = jobs_per_tile_col;
--- a/vp9/encoder/vp9_temporal_filter.c
+++ b/vp9/encoder/vp9_temporal_filter.c
@@ -45,7 +45,7 @@
enum mv_precision mv_precision_uv;
int uv_stride;
- if (uv_block_width == 8) {
+ if (uv_block_width == (BW >> 1)) {
uv_stride = (stride + 1) >> 1;
mv_precision_uv = MV_PRECISION_Q4;
} else {
@@ -56,35 +56,35 @@
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
vp9_highbd_build_inter_predictor(CONVERT_TO_SHORTPTR(y_mb_ptr), stride,
- CONVERT_TO_SHORTPTR(&pred[0]), 16, &mv,
- scale, 16, 16, which_mv, kernel,
+ CONVERT_TO_SHORTPTR(&pred[0]), BW, &mv,
+ scale, BW, BH, which_mv, kernel,
MV_PRECISION_Q3, x, y, xd->bd);
vp9_highbd_build_inter_predictor(CONVERT_TO_SHORTPTR(u_mb_ptr), uv_stride,
- CONVERT_TO_SHORTPTR(&pred[256]),
+ CONVERT_TO_SHORTPTR(&pred[BLK_PELS]),
uv_block_width, &mv, scale, uv_block_width,
uv_block_height, which_mv, kernel,
mv_precision_uv, x, y, xd->bd);
- vp9_highbd_build_inter_predictor(CONVERT_TO_SHORTPTR(v_mb_ptr), uv_stride,
- CONVERT_TO_SHORTPTR(&pred[512]),
- uv_block_width, &mv, scale, uv_block_width,
- uv_block_height, which_mv, kernel,
- mv_precision_uv, x, y, xd->bd);
+ vp9_highbd_build_inter_predictor(
+ CONVERT_TO_SHORTPTR(v_mb_ptr), uv_stride,
+ CONVERT_TO_SHORTPTR(&pred[(BLK_PELS << 1)]), uv_block_width, &mv, scale,
+ uv_block_width, uv_block_height, which_mv, kernel, mv_precision_uv, x,
+ y, xd->bd);
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
(void)xd;
- vp9_build_inter_predictor(y_mb_ptr, stride, &pred[0], 16, &mv, scale, 16, 16,
+ vp9_build_inter_predictor(y_mb_ptr, stride, &pred[0], BW, &mv, scale, BW, BH,
which_mv, kernel, MV_PRECISION_Q3, x, y);
- vp9_build_inter_predictor(u_mb_ptr, uv_stride, &pred[256], uv_block_width,
- &mv, scale, uv_block_width, uv_block_height,
- which_mv, kernel, mv_precision_uv, x, y);
+ vp9_build_inter_predictor(
+ u_mb_ptr, uv_stride, &pred[BLK_PELS], uv_block_width, &mv, scale,
+ uv_block_width, uv_block_height, which_mv, kernel, mv_precision_uv, x, y);
- vp9_build_inter_predictor(v_mb_ptr, uv_stride, &pred[512], uv_block_width,
- &mv, scale, uv_block_width, uv_block_height,
- which_mv, kernel, mv_precision_uv, x, y);
+ vp9_build_inter_predictor(
+ v_mb_ptr, uv_stride, &pred[(BLK_PELS << 1)], uv_block_width, &mv, scale,
+ uv_block_width, uv_block_height, which_mv, kernel, mv_precision_uv, x, y);
}
void vp9_temporal_filter_init(void) {
@@ -121,9 +121,9 @@
const int rounding = (1 << strength) >> 1;
const unsigned int uv_block_width = block_width >> ss_x;
const unsigned int uv_block_height = block_height >> ss_y;
- DECLARE_ALIGNED(16, uint16_t, y_diff_sse[256]);
- DECLARE_ALIGNED(16, uint16_t, u_diff_sse[256]);
- DECLARE_ALIGNED(16, uint16_t, v_diff_sse[256]);
+ DECLARE_ALIGNED(16, uint16_t, y_diff_sse[BLK_PELS]);
+ DECLARE_ALIGNED(16, uint16_t, u_diff_sse[BLK_PELS]);
+ DECLARE_ALIGNED(16, uint16_t, v_diff_sse[BLK_PELS]);
int idx = 0, idy;
@@ -133,9 +133,9 @@
assert(filter_weight >= 0);
assert(filter_weight <= 2);
- memset(y_diff_sse, 0, 256 * sizeof(uint16_t));
- memset(u_diff_sse, 0, 256 * sizeof(uint16_t));
- memset(v_diff_sse, 0, 256 * sizeof(uint16_t));
+ memset(y_diff_sse, 0, BLK_PELS * sizeof(uint16_t));
+ memset(u_diff_sse, 0, BLK_PELS * sizeof(uint16_t));
+ memset(v_diff_sse, 0, BLK_PELS * sizeof(uint16_t));
// Calculate diff^2 for each pixel of the 16x16 block.
// TODO(yunqing): the following code needs to be optimized.
@@ -329,7 +329,7 @@
int modifier;
const int rounding = strength > 0 ? 1 << (strength - 1) : 0;
- int diff_sse[256] = { 0 };
+ int diff_sse[BLK_PELS] = { 0 };
int this_idx = 0;
for (i = 0; i < block_height; i++) {
@@ -416,7 +416,7 @@
vp9_set_mv_search_range(&x->mv_limits, &best_ref_mv1);
- vp9_full_pixel_search(cpi, x, BLOCK_16X16, &best_ref_mv1_full, step_param,
+ vp9_full_pixel_search(cpi, x, TF_BLOCK, &best_ref_mv1_full, step_param,
search_method, sadpb, cond_cost_list(cpi, cost_list),
&best_ref_mv1, ref_mv, 0, 0);
@@ -427,9 +427,9 @@
// Ignore mv costing by sending NULL pointer instead of cost array
bestsme = cpi->find_fractional_mv_step(
x, ref_mv, &best_ref_mv1, cpi->common.allow_high_precision_mv,
- x->errorperbit, &cpi->fn_ptr[BLOCK_16X16], 0, mv_sf->subpel_search_level,
- cond_cost_list(cpi, cost_list), NULL, NULL, &distortion, &sse, NULL, 16,
- 16, USE_8_TAPS_SHARP);
+ x->errorperbit, &cpi->fn_ptr[TF_BLOCK], 0, mv_sf->subpel_search_level,
+ cond_cost_list(cpi, cost_list), NULL, NULL, &distortion, &sse, NULL, BW,
+ BH, USE_8_TAPS_SHARP);
// Restore input state
x->plane[0].src = src;
@@ -451,24 +451,24 @@
int frame;
int mb_col;
unsigned int filter_weight;
- int mb_cols = (frames[alt_ref_index]->y_crop_width + 15) >> 4;
- int mb_rows = (frames[alt_ref_index]->y_crop_height + 15) >> 4;
- DECLARE_ALIGNED(16, uint32_t, accumulator[16 * 16 * 3]);
- DECLARE_ALIGNED(16, uint16_t, count[16 * 16 * 3]);
+ int mb_cols = (frames[alt_ref_index]->y_crop_width + BW - 1) >> BW_LOG2;
+ int mb_rows = (frames[alt_ref_index]->y_crop_height + BH - 1) >> BH_LOG2;
+ DECLARE_ALIGNED(16, uint32_t, accumulator[BLK_PELS * 3]);
+ DECLARE_ALIGNED(16, uint16_t, count[BLK_PELS * 3]);
MACROBLOCKD *mbd = &td->mb.e_mbd;
YV12_BUFFER_CONFIG *f = frames[alt_ref_index];
uint8_t *dst1, *dst2;
#if CONFIG_VP9_HIGHBITDEPTH
- DECLARE_ALIGNED(16, uint16_t, predictor16[16 * 16 * 3]);
- DECLARE_ALIGNED(16, uint8_t, predictor8[16 * 16 * 3]);
+ DECLARE_ALIGNED(16, uint16_t, predictor16[BLK_PELS * 3]);
+ DECLARE_ALIGNED(16, uint8_t, predictor8[BLK_PELS * 3]);
uint8_t *predictor;
#else
- DECLARE_ALIGNED(16, uint8_t, predictor[16 * 16 * 3]);
+ DECLARE_ALIGNED(16, uint8_t, predictor[BLK_PELS * 3]);
#endif
- const int mb_uv_height = 16 >> mbd->plane[1].subsampling_y;
- const int mb_uv_width = 16 >> mbd->plane[1].subsampling_x;
+ const int mb_uv_height = BH >> mbd->plane[1].subsampling_y;
+ const int mb_uv_width = BW >> mbd->plane[1].subsampling_x;
// Addition of the tile col level offsets
- int mb_y_offset = mb_row * 16 * (f->y_stride) + 16 * mb_col_start;
+ int mb_y_offset = mb_row * BH * (f->y_stride) + BW * mb_col_start;
int mb_uv_offset =
mb_row * mb_uv_height * f->uv_stride + mb_uv_width * mb_col_start;
@@ -491,9 +491,9 @@
// 8 - VP9_INTERP_EXTEND.
// To keep the mv in play for both Y and UV planes the max that it
// can be on a border is therefore 16 - (2*VP9_INTERP_EXTEND+1).
- td->mb.mv_limits.row_min = -((mb_row * 16) + (17 - 2 * VP9_INTERP_EXTEND));
+ td->mb.mv_limits.row_min = -((mb_row * BH) + (17 - 2 * VP9_INTERP_EXTEND));
td->mb.mv_limits.row_max =
- ((mb_rows - 1 - mb_row) * 16) + (17 - 2 * VP9_INTERP_EXTEND);
+ ((mb_rows - 1 - mb_row) * BH) + (17 - 2 * VP9_INTERP_EXTEND);
for (mb_col = mb_col_start; mb_col < mb_col_end; mb_col++) {
int i, j, k;
@@ -500,12 +500,12 @@
int stride;
MV ref_mv;
- vp9_zero_array(accumulator, 16 * 16 * 3);
- vp9_zero_array(count, 16 * 16 * 3);
+ vp9_zero_array(accumulator, BLK_PELS * 3);
+ vp9_zero_array(count, BLK_PELS * 3);
- td->mb.mv_limits.col_min = -((mb_col * 16) + (17 - 2 * VP9_INTERP_EXTEND));
+ td->mb.mv_limits.col_min = -((mb_col * BW) + (17 - 2 * VP9_INTERP_EXTEND));
td->mb.mv_limits.col_max =
- ((mb_cols - 1 - mb_col) * 16) + (17 - 2 * VP9_INTERP_EXTEND);
+ ((mb_cols - 1 - mb_col) * BW) + (17 - 2 * VP9_INTERP_EXTEND);
if (cpi->oxcf.content == VP9E_CONTENT_FILM) {
unsigned int src_variance;
@@ -517,12 +517,12 @@
#if CONFIG_VP9_HIGHBITDEPTH
if (mbd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
src_variance =
- vp9_high_get_sby_perpixel_variance(cpi, &src, BLOCK_16X16, mbd->bd);
+ vp9_high_get_sby_perpixel_variance(cpi, &src, TF_BLOCK, mbd->bd);
} else {
- src_variance = vp9_get_sby_perpixel_variance(cpi, &src, BLOCK_16X16);
+ src_variance = vp9_get_sby_perpixel_variance(cpi, &src, TF_BLOCK);
}
#else
- src_variance = vp9_get_sby_perpixel_variance(cpi, &src, BLOCK_16X16);
+ src_variance = vp9_get_sby_perpixel_variance(cpi, &src, TF_BLOCK);
#endif // CONFIG_VP9_HIGHBITDEPTH
if (src_variance <= 2) strength = VPXMAX(0, (int)strength - 2);
@@ -566,7 +566,7 @@
frames[frame]->u_buffer + mb_uv_offset,
frames[frame]->v_buffer + mb_uv_offset, frames[frame]->y_stride,
mb_uv_width, mb_uv_height, ref_mv.row, ref_mv.col, predictor, scale,
- mb_col * 16, mb_row * 16);
+ mb_col * BW, mb_row * BH);
#if CONFIG_VP9_HIGHBITDEPTH
if (mbd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
@@ -573,35 +573,38 @@
int adj_strength = strength + 2 * (mbd->bd - 8);
// Apply the filter (YUV)
vp9_highbd_temporal_filter_apply(
- f->y_buffer + mb_y_offset, f->y_stride, predictor, 16, 16,
+ f->y_buffer + mb_y_offset, f->y_stride, predictor, BW, BH,
adj_strength, filter_weight, accumulator, count);
vp9_highbd_temporal_filter_apply(
- f->u_buffer + mb_uv_offset, f->uv_stride, predictor + 256,
+ f->u_buffer + mb_uv_offset, f->uv_stride, predictor + BLK_PELS,
mb_uv_width, mb_uv_height, adj_strength, filter_weight,
- accumulator + 256, count + 256);
+ accumulator + BLK_PELS, count + BLK_PELS);
vp9_highbd_temporal_filter_apply(
- f->v_buffer + mb_uv_offset, f->uv_stride, predictor + 512,
- mb_uv_width, mb_uv_height, adj_strength, filter_weight,
- accumulator + 512, count + 512);
+ f->v_buffer + mb_uv_offset, f->uv_stride,
+ predictor + (BLK_PELS << 1), mb_uv_width, mb_uv_height,
+ adj_strength, filter_weight, accumulator + (BLK_PELS << 1),
+ count + (BLK_PELS << 1));
} else {
// Apply the filter (YUV)
apply_temporal_filter(
- f->y_buffer + mb_y_offset, f->y_stride, predictor, 16,
+ f->y_buffer + mb_y_offset, f->y_stride, predictor, BW,
f->u_buffer + mb_uv_offset, f->v_buffer + mb_uv_offset,
- f->uv_stride, predictor + 256, predictor + 512, mb_uv_width, 16,
- 16, mbd->plane[1].subsampling_x, mbd->plane[1].subsampling_y,
- strength, filter_weight, accumulator, count, accumulator + 256,
- count + 256, accumulator + 512, count + 512);
+ f->uv_stride, predictor + BLK_PELS, predictor + (BLK_PELS << 1),
+ mb_uv_width, BW, BH, mbd->plane[1].subsampling_x,
+ mbd->plane[1].subsampling_y, strength, filter_weight, accumulator,
+ count, accumulator + BLK_PELS, count + BLK_PELS,
+ accumulator + (BLK_PELS << 1), count + (BLK_PELS << 1));
}
#else
// Apply the filter (YUV)
apply_temporal_filter(
- f->y_buffer + mb_y_offset, f->y_stride, predictor, 16,
+ f->y_buffer + mb_y_offset, f->y_stride, predictor, BW,
f->u_buffer + mb_uv_offset, f->v_buffer + mb_uv_offset,
- f->uv_stride, predictor + 256, predictor + 512, mb_uv_width, 16, 16,
- mbd->plane[1].subsampling_x, mbd->plane[1].subsampling_y, strength,
- filter_weight, accumulator, count, accumulator + 256, count + 256,
- accumulator + 512, count + 512);
+ f->uv_stride, predictor + BLK_PELS, predictor + (BLK_PELS << 1),
+ mb_uv_width, BW, BH, mbd->plane[1].subsampling_x,
+ mbd->plane[1].subsampling_y, strength, filter_weight, accumulator,
+ count, accumulator + BLK_PELS, count + BLK_PELS,
+ accumulator + (BLK_PELS << 1), count + (BLK_PELS << 1));
#endif // CONFIG_VP9_HIGHBITDEPTH
}
}
@@ -615,8 +618,8 @@
dst1_16 = CONVERT_TO_SHORTPTR(dst1);
stride = cpi->alt_ref_buffer.y_stride;
byte = mb_y_offset;
- for (i = 0, k = 0; i < 16; i++) {
- for (j = 0; j < 16; j++, k++) {
+ for (i = 0, k = 0; i < BH; i++) {
+ for (j = 0; j < BW; j++, k++) {
unsigned int pval = accumulator[k] + (count[k] >> 1);
pval *= fixed_divide[count[k]];
pval >>= 19;
@@ -627,7 +630,7 @@
byte++;
}
- byte += stride - 16;
+ byte += stride - BW;
}
dst1 = cpi->alt_ref_buffer.u_buffer;
@@ -636,9 +639,9 @@
dst2_16 = CONVERT_TO_SHORTPTR(dst2);
stride = cpi->alt_ref_buffer.uv_stride;
byte = mb_uv_offset;
- for (i = 0, k = 256; i < mb_uv_height; i++) {
+ for (i = 0, k = BLK_PELS; i < mb_uv_height; i++) {
for (j = 0; j < mb_uv_width; j++, k++) {
- int m = k + 256;
+ int m = k + BLK_PELS;
// U
unsigned int pval = accumulator[k] + (count[k] >> 1);
@@ -663,8 +666,8 @@
dst1 = cpi->alt_ref_buffer.y_buffer;
stride = cpi->alt_ref_buffer.y_stride;
byte = mb_y_offset;
- for (i = 0, k = 0; i < 16; i++) {
- for (j = 0; j < 16; j++, k++) {
+ for (i = 0, k = 0; i < BH; i++) {
+ for (j = 0; j < BW; j++, k++) {
unsigned int pval = accumulator[k] + (count[k] >> 1);
pval *= fixed_divide[count[k]];
pval >>= 19;
@@ -674,7 +677,7 @@
// move to next pixel
byte++;
}
- byte += stride - 16;
+ byte += stride - BW;
}
dst1 = cpi->alt_ref_buffer.u_buffer;
@@ -681,9 +684,9 @@
dst2 = cpi->alt_ref_buffer.v_buffer;
stride = cpi->alt_ref_buffer.uv_stride;
byte = mb_uv_offset;
- for (i = 0, k = 256; i < mb_uv_height; i++) {
+ for (i = 0, k = BLK_PELS; i < mb_uv_height; i++) {
for (j = 0; j < mb_uv_width; j++, k++) {
- int m = k + 256;
+ int m = k + BLK_PELS;
// U
unsigned int pval = accumulator[k] + (count[k] >> 1);
@@ -708,8 +711,8 @@
dst1 = cpi->alt_ref_buffer.y_buffer;
stride = cpi->alt_ref_buffer.y_stride;
byte = mb_y_offset;
- for (i = 0, k = 0; i < 16; i++) {
- for (j = 0; j < 16; j++, k++) {
+ for (i = 0, k = 0; i < BH; i++) {
+ for (j = 0; j < BW; j++, k++) {
unsigned int pval = accumulator[k] + (count[k] >> 1);
pval *= fixed_divide[count[k]];
pval >>= 19;
@@ -719,7 +722,7 @@
// move to next pixel
byte++;
}
- byte += stride - 16;
+ byte += stride - BW;
}
dst1 = cpi->alt_ref_buffer.u_buffer;
@@ -726,9 +729,9 @@
dst2 = cpi->alt_ref_buffer.v_buffer;
stride = cpi->alt_ref_buffer.uv_stride;
byte = mb_uv_offset;
- for (i = 0, k = 256; i < mb_uv_height; i++) {
+ for (i = 0, k = BLK_PELS; i < mb_uv_height; i++) {
for (j = 0; j < mb_uv_width; j++, k++) {
- int m = k + 256;
+ int m = k + BLK_PELS;
// U
unsigned int pval = accumulator[k] + (count[k] >> 1);
@@ -748,7 +751,7 @@
byte += stride - mb_uv_width;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
- mb_y_offset += 16;
+ mb_y_offset += BW;
mb_uv_offset += mb_uv_width;
}
}
@@ -759,10 +762,10 @@
const int tile_cols = 1 << cm->log2_tile_cols;
TileInfo *tile_info =
&cpi->tile_data[tile_row * tile_cols + tile_col].tile_info;
- const int mb_row_start = (tile_info->mi_row_start) >> 1;
- const int mb_row_end = (tile_info->mi_row_end + 1) >> 1;
- const int mb_col_start = (tile_info->mi_col_start) >> 1;
- const int mb_col_end = (tile_info->mi_col_end + 1) >> 1;
+ const int mb_row_start = (tile_info->mi_row_start) >> TF_SHIFT;
+ const int mb_row_end = (tile_info->mi_row_end + TF_ROUND) >> TF_SHIFT;
+ const int mb_col_start = (tile_info->mi_col_start) >> TF_SHIFT;
+ const int mb_col_end = (tile_info->mi_col_end + TF_ROUND) >> TF_SHIFT;
int mb_row;
for (mb_row = mb_row_start; mb_row < mb_row_end; mb_row++) {
--- a/vp9/encoder/vp9_temporal_filter.h
+++ b/vp9/encoder/vp9_temporal_filter.h
@@ -17,6 +17,29 @@
#define ARNR_FILT_QINDEX 128
+// Block size used in temporal filtering
+#if 1
+#define TF_BLOCK BLOCK_16X16
+#define BH 16
+#define BH_LOG2 4
+#define BW 16
+#define BW_LOG2 4
+#define BLK_PELS 256 // Pixels in the block
+#define TF_SHIFT 1
+#define TF_ROUND 1
+#define THR_SHIFT 0
+#else
+#define TF_BLOCK BLOCK_32X32
+#define BH 32
+#define BH_LOG2 5
+#define BW 32
+#define BW_LOG2 5
+#define BLK_PELS 1024 // Pixels in the block
+#define TF_SHIFT 2
+#define TF_ROUND 3
+#define THR_SHIFT 2
+#endif
+
void vp9_temporal_filter_init(void);
void vp9_temporal_filter(VP9_COMP *cpi, int distance);