aboutsummaryrefslogtreecommitdiff
path: root/libvpx/vp9/encoder/vp9_temporal_filter.c
diff options
context:
space:
mode:
Diffstat (limited to 'libvpx/vp9/encoder/vp9_temporal_filter.c')
-rw-r--r--libvpx/vp9/encoder/vp9_temporal_filter.c400
1 files changed, 170 insertions, 230 deletions
diff --git a/libvpx/vp9/encoder/vp9_temporal_filter.c b/libvpx/vp9/encoder/vp9_temporal_filter.c
index 041027354..ce3b31138 100644
--- a/libvpx/vp9/encoder/vp9_temporal_filter.c
+++ b/libvpx/vp9/encoder/vp9_temporal_filter.c
@@ -19,7 +19,7 @@
#include "vp9/encoder/vp9_extend.h"
#include "vp9/encoder/vp9_firstpass.h"
#include "vp9/encoder/vp9_mcomp.h"
-#include "vp9/encoder/vp9_onyx_int.h"
+#include "vp9/encoder/vp9_encoder.h"
#include "vp9/encoder/vp9_quantize.h"
#include "vp9/encoder/vp9_ratectrl.h"
#include "vp9/encoder/vp9_segmentation.h"
@@ -27,14 +27,15 @@
#include "vpx_ports/vpx_timer.h"
#include "vpx_scale/vpx_scale.h"
-#define ALT_REF_MC_ENABLED 1 // dis/enable MC in AltRef filtering
+static int fixed_divide[512];
static void temporal_filter_predictors_mb_c(MACROBLOCKD *xd,
uint8_t *y_mb_ptr,
uint8_t *u_mb_ptr,
uint8_t *v_mb_ptr,
int stride,
- int uv_block_size,
+ int uv_block_width,
+ int uv_block_height,
int mv_row,
int mv_col,
uint8_t *pred,
@@ -47,7 +48,7 @@ static void temporal_filter_predictors_mb_c(MACROBLOCKD *xd,
enum mv_precision mv_precision_uv;
int uv_stride;
- if (uv_block_size == 8) {
+ if (uv_block_width == 8) {
uv_stride = (stride + 1) >> 1;
mv_precision_uv = MV_PRECISION_Q4;
} else {
@@ -64,26 +65,35 @@ static void temporal_filter_predictors_mb_c(MACROBLOCKD *xd,
kernel, MV_PRECISION_Q3, x, y);
vp9_build_inter_predictor(u_mb_ptr, uv_stride,
- &pred[256], uv_block_size,
+ &pred[256], uv_block_width,
&mv,
scale,
- uv_block_size, uv_block_size,
+ 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_size,
+ &pred[512], uv_block_width,
&mv,
scale,
- uv_block_size, uv_block_size,
+ uv_block_width, uv_block_height,
which_mv,
kernel, mv_precision_uv, x, y);
}
+void vp9_temporal_filter_init() {
+ int i;
+
+ fixed_divide[0] = 0;
+ for (i = 1; i < 512; ++i)
+ fixed_divide[i] = 0x80000 / i;
+}
+
void vp9_temporal_filter_apply_c(uint8_t *frame1,
unsigned int stride,
uint8_t *frame2,
- unsigned int block_size,
+ unsigned int block_width,
+ unsigned int block_height,
int strength,
int filter_weight,
unsigned int *accumulator,
@@ -91,9 +101,10 @@ void vp9_temporal_filter_apply_c(uint8_t *frame1,
unsigned int i, j, k;
int modifier;
int byte = 0;
+ const int rounding = strength > 0 ? 1 << (strength - 1) : 0;
- for (i = 0, k = 0; i < block_size; i++) {
- for (j = 0; j < block_size; j++, k++) {
+ for (i = 0, k = 0; i < block_height; i++) {
+ for (j = 0; j < block_width; j++, k++) {
int src_byte = frame1[byte];
int pixel_value = *frame2++;
@@ -103,7 +114,7 @@ void vp9_temporal_filter_apply_c(uint8_t *frame1,
// modifier = (int)roundf(coeff > 16 ? 0 : 16-coeff);
modifier *= modifier;
modifier *= 3;
- modifier += 1 << (strength - 1);
+ modifier += rounding;
modifier >>= strength;
if (modifier > 16)
@@ -118,21 +129,22 @@ void vp9_temporal_filter_apply_c(uint8_t *frame1,
byte++;
}
- byte += stride - block_size;
+ byte += stride - block_width;
}
}
-#if ALT_REF_MC_ENABLED
-
static int temporal_filter_find_matching_mb_c(VP9_COMP *cpi,
uint8_t *arf_frame_buf,
uint8_t *frame_ptr_buf,
int stride) {
- MACROBLOCK *x = &cpi->mb;
- MACROBLOCKD* const xd = &x->e_mbd;
+ MACROBLOCK *const x = &cpi->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ const MV_SPEED_FEATURES *const mv_sf = &cpi->sf.mv;
int step_param;
int sadpb = x->sadperbit16;
int bestsme = INT_MAX;
+ int distortion;
+ unsigned int sse;
MV best_ref_mv1 = {0, 0};
MV best_ref_mv1_full; /* full-pixel value of best_ref_mv1 */
@@ -151,33 +163,22 @@ static int temporal_filter_find_matching_mb_c(VP9_COMP *cpi,
xd->plane[0].pre[0].buf = frame_ptr_buf;
xd->plane[0].pre[0].stride = stride;
- // Further step/diamond searches as necessary
- if (cpi->speed < 8)
- step_param = cpi->sf.reduce_first_step_size + ((cpi->speed > 5) ? 1 : 0);
- else
- step_param = cpi->sf.reduce_first_step_size + 2;
- step_param = MIN(step_param, (cpi->sf.max_step_search_steps - 2));
+ step_param = mv_sf->reduce_first_step_size;
+ step_param = MIN(step_param, MAX_MVSEARCH_STEPS - 2);
- /*cpi->sf.search_method == HEX*/
// Ignore mv costing by sending NULL pointer instead of cost arrays
vp9_hex_search(x, &best_ref_mv1_full, step_param, sadpb, 1,
&cpi->fn_ptr[BLOCK_16X16], 0, &best_ref_mv1, ref_mv);
- // Try sub-pixel MC?
- // if (bestsme > error_thresh && bestsme < INT_MAX)
- {
- int distortion;
- unsigned int sse;
- // 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, cpi->sf.subpel_iters_per_step,
- NULL, NULL,
- &distortion, &sse);
- }
+ // 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_iters_per_step,
+ NULL, NULL,
+ &distortion, &sse, NULL, 0, 0);
// Restore input state
x->plane[0].src = src;
@@ -185,7 +186,6 @@ static int temporal_filter_find_matching_mb_c(VP9_COMP *cpi,
return bestsme;
}
-#endif
static void temporal_filter_iterate_c(VP9_COMP *cpi,
int frame_count,
@@ -207,20 +207,17 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
uint8_t *dst1, *dst2;
DECLARE_ALIGNED_ARRAY(16, uint8_t, predictor, 16 * 16 * 3);
const int mb_uv_height = 16 >> mbd->plane[1].subsampling_y;
+ const int mb_uv_width = 16 >> mbd->plane[1].subsampling_x;
// Save input state
uint8_t* input_buffer[MAX_MB_PLANE];
int i;
- // TODO(aconverse): Add 4:2:2 support
- assert(mbd->plane[1].subsampling_x == mbd->plane[1].subsampling_y);
-
for (i = 0; i < MAX_MB_PLANE; i++)
input_buffer[i] = mbd->plane[i].pre[0].buf;
for (mb_row = 0; mb_row < mb_rows; mb_row++) {
-#if ALT_REF_MC_ENABLED
- // Source frames are extended to 16 pixels. This is different than
+ // Source frames are extended to 16 pixels. This is different than
// L/A/G reference frames that have a border of 32 (VP9ENCBORDERINPIXELS)
// A 6/8 tap filter is used for motion search. This requires 2 pixels
// before and 3 pixels after. So the largest Y mv on a border would
@@ -234,7 +231,6 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
cpi->mb.mv_row_min = -((mb_row * 16) + (17 - 2 * VP9_INTERP_EXTEND));
cpi->mb.mv_row_max = ((cpi->common.mb_rows - 1 - mb_row) * 16)
+ (17 - 2 * VP9_INTERP_EXTEND);
-#endif
for (mb_col = 0; mb_col < mb_cols; mb_col++) {
int i, j, k;
@@ -243,13 +239,14 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
vpx_memset(accumulator, 0, 16 * 16 * 3 * sizeof(accumulator[0]));
vpx_memset(count, 0, 16 * 16 * 3 * sizeof(count[0]));
-#if ALT_REF_MC_ENABLED
cpi->mb.mv_col_min = -((mb_col * 16) + (17 - 2 * VP9_INTERP_EXTEND));
cpi->mb.mv_col_max = ((cpi->common.mb_cols - 1 - mb_col) * 16)
+ (17 - 2 * VP9_INTERP_EXTEND);
-#endif
for (frame = 0; frame < frame_count; frame++) {
+ const int thresh_low = 10000;
+ const int thresh_high = 20000;
+
if (cpi->frames[frame] == NULL)
continue;
@@ -259,51 +256,45 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
if (frame == alt_ref_index) {
filter_weight = 2;
} else {
- int err = 0;
-#if ALT_REF_MC_ENABLED
-#define THRESH_LOW 10000
-#define THRESH_HIGH 20000
-
// Find best match in this frame by MC
- err = temporal_filter_find_matching_mb_c
- (cpi,
- cpi->frames[alt_ref_index]->y_buffer + mb_y_offset,
- cpi->frames[frame]->y_buffer + mb_y_offset,
- cpi->frames[frame]->y_stride);
-#endif
+ int err = temporal_filter_find_matching_mb_c(cpi,
+ cpi->frames[alt_ref_index]->y_buffer + mb_y_offset,
+ cpi->frames[frame]->y_buffer + mb_y_offset,
+ cpi->frames[frame]->y_stride);
+
// Assign higher weight to matching MB if it's error
// score is lower. If not applying MC default behavior
// is to weight all MBs equal.
- filter_weight = err < THRESH_LOW
- ? 2 : err < THRESH_HIGH ? 1 : 0;
+ filter_weight = err < thresh_low
+ ? 2 : err < thresh_high ? 1 : 0;
}
if (filter_weight != 0) {
// Construct the predictors
- temporal_filter_predictors_mb_c
- (mbd,
- cpi->frames[frame]->y_buffer + mb_y_offset,
- cpi->frames[frame]->u_buffer + mb_uv_offset,
- cpi->frames[frame]->v_buffer + mb_uv_offset,
- cpi->frames[frame]->y_stride,
- mb_uv_height,
- mbd->mi[0]->bmi[0].as_mv[0].as_mv.row,
- mbd->mi[0]->bmi[0].as_mv[0].as_mv.col,
- predictor, scale,
- mb_col * 16, mb_row * 16);
+ temporal_filter_predictors_mb_c(mbd,
+ cpi->frames[frame]->y_buffer + mb_y_offset,
+ cpi->frames[frame]->u_buffer + mb_uv_offset,
+ cpi->frames[frame]->v_buffer + mb_uv_offset,
+ cpi->frames[frame]->y_stride,
+ mb_uv_width, mb_uv_height,
+ mbd->mi[0]->bmi[0].as_mv[0].as_mv.row,
+ mbd->mi[0]->bmi[0].as_mv[0].as_mv.col,
+ predictor, scale,
+ mb_col * 16, mb_row * 16);
// Apply the filter (YUV)
vp9_temporal_filter_apply(f->y_buffer + mb_y_offset, f->y_stride,
- predictor, 16, strength, filter_weight,
+ predictor, 16, 16,
+ strength, filter_weight,
accumulator, count);
-
vp9_temporal_filter_apply(f->u_buffer + mb_uv_offset, f->uv_stride,
- predictor + 256, mb_uv_height, strength,
+ predictor + 256,
+ mb_uv_width, mb_uv_height, strength,
filter_weight, accumulator + 256,
count + 256);
-
vp9_temporal_filter_apply(f->v_buffer + mb_uv_offset, f->uv_stride,
- predictor + 512, mb_uv_height, strength,
+ predictor + 512,
+ mb_uv_width, mb_uv_height, strength,
filter_weight, accumulator + 512,
count + 512);
}
@@ -316,7 +307,7 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
for (i = 0, k = 0; i < 16; i++) {
for (j = 0; j < 16; j++, k++) {
unsigned int pval = accumulator[k] + (count[k] >> 1);
- pval *= cpi->fixed_divide[count[k]];
+ pval *= fixed_divide[count[k]];
pval >>= 19;
dst1[byte] = (uint8_t)pval;
@@ -324,7 +315,6 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
// move to next pixel
byte++;
}
-
byte += stride - 16;
}
@@ -333,34 +323,31 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
stride = cpi->alt_ref_buffer.uv_stride;
byte = mb_uv_offset;
for (i = 0, k = 256; i < mb_uv_height; i++) {
- for (j = 0; j < mb_uv_height; j++, k++) {
+ for (j = 0; j < mb_uv_width; j++, k++) {
int m = k + 256;
// U
unsigned int pval = accumulator[k] + (count[k] >> 1);
- pval *= cpi->fixed_divide[count[k]];
+ pval *= fixed_divide[count[k]];
pval >>= 19;
dst1[byte] = (uint8_t)pval;
// V
pval = accumulator[m] + (count[m] >> 1);
- pval *= cpi->fixed_divide[count[m]];
+ pval *= fixed_divide[count[m]];
pval >>= 19;
dst2[byte] = (uint8_t)pval;
// move to next pixel
byte++;
}
-
- byte += stride - mb_uv_height;
+ byte += stride - mb_uv_width;
}
-
mb_y_offset += 16;
- mb_uv_offset += mb_uv_height;
+ mb_uv_offset += mb_uv_width;
}
-
mb_y_offset += 16 * (f->y_stride - mb_cols);
- mb_uv_offset += mb_uv_height * (f->uv_stride - mb_cols);
+ mb_uv_offset += mb_uv_height * f->uv_stride - mb_uv_width * mb_cols;
}
// Restore input state
@@ -368,154 +355,32 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi,
mbd->plane[i].pre[0].buf = input_buffer[i];
}
-void vp9_temporal_filter_prepare(VP9_COMP *cpi, int distance) {
- VP9_COMMON *const cm = &cpi->common;
-
- int frame = 0;
-
- int frames_to_blur_backward = 0;
- int frames_to_blur_forward = 0;
- int frames_to_blur = 0;
- int start_frame = 0;
-
- int strength = cpi->active_arnr_strength;
- int blur_type = cpi->oxcf.arnr_type;
- int max_frames = cpi->active_arnr_frames;
-
- const int num_frames_backward = distance;
- const int num_frames_forward = vp9_lookahead_depth(cpi->lookahead)
- - (num_frames_backward + 1);
- struct scale_factors sf;
-
- switch (blur_type) {
- case 1:
- // Backward Blur
- frames_to_blur_backward = num_frames_backward;
-
- if (frames_to_blur_backward >= max_frames)
- frames_to_blur_backward = max_frames - 1;
-
- frames_to_blur = frames_to_blur_backward + 1;
- break;
-
- case 2:
- // Forward Blur
- frames_to_blur_forward = num_frames_forward;
-
- if (frames_to_blur_forward >= max_frames)
- frames_to_blur_forward = max_frames - 1;
-
- frames_to_blur = frames_to_blur_forward + 1;
- break;
-
- case 3:
- default:
- // Center Blur
- frames_to_blur_forward = num_frames_forward;
- frames_to_blur_backward = num_frames_backward;
-
- if (frames_to_blur_forward > frames_to_blur_backward)
- frames_to_blur_forward = frames_to_blur_backward;
-
- if (frames_to_blur_backward > frames_to_blur_forward)
- frames_to_blur_backward = frames_to_blur_forward;
-
- // When max_frames is even we have 1 more frame backward than forward
- if (frames_to_blur_forward > (max_frames - 1) / 2)
- frames_to_blur_forward = ((max_frames - 1) / 2);
-
- if (frames_to_blur_backward > (max_frames / 2))
- frames_to_blur_backward = (max_frames / 2);
-
- frames_to_blur = frames_to_blur_backward + frames_to_blur_forward + 1;
- break;
- }
-
- start_frame = distance + frames_to_blur_forward;
-
-#ifdef DEBUGFWG
- // DEBUG FWG
- printf(
- "max:%d FBCK:%d FFWD:%d ftb:%d ftbbck:%d ftbfwd:%d sei:%d lasei:%d "
- "start:%d",
- max_frames, num_frames_backward, num_frames_forward, frames_to_blur,
- frames_to_blur_backward, frames_to_blur_forward, cpi->source_encode_index,
- cpi->last_alt_ref_sei, start_frame);
-#endif
-
- // Setup scaling factors. Scaling on each of the arnr frames is not supported
- vp9_setup_scale_factors_for_frame(&sf,
- get_frame_new_buffer(cm)->y_crop_width,
- get_frame_new_buffer(cm)->y_crop_height,
- cm->width, cm->height);
-
- // Setup frame pointers, NULL indicates frame not included in filter
- vp9_zero(cpi->frames);
- for (frame = 0; frame < frames_to_blur; frame++) {
- int which_buffer = start_frame - frame;
- struct lookahead_entry *buf = vp9_lookahead_peek(cpi->lookahead,
- which_buffer);
- cpi->frames[frames_to_blur - 1 - frame] = &buf->img;
- }
+// Apply buffer limits and context specific adjustments to arnr filter.
+static void adjust_arnr_filter(VP9_COMP *cpi,
+ int distance, int group_boost) {
+ const int frames_after_arf =
+ vp9_lookahead_depth(cpi->lookahead) - distance - 1;
+ int frames_fwd = (cpi->oxcf.arnr_max_frames - 1) >> 1;
+ int frames_bwd;
+ int q;
- temporal_filter_iterate_c(cpi, frames_to_blur, frames_to_blur_backward,
- strength, &sf);
-}
+ // Define the forward and backwards filter limits for this arnr group.
+ if (frames_fwd > frames_after_arf)
+ frames_fwd = frames_after_arf;
+ if (frames_fwd > distance)
+ frames_fwd = distance;
-void vp9_configure_arnr_filter(VP9_COMP *cpi,
- const unsigned int frames_to_arnr,
- const int group_boost) {
- int half_gf_int;
- int frames_after_arf;
- int frames_bwd = cpi->oxcf.arnr_max_frames - 1;
- int frames_fwd = cpi->oxcf.arnr_max_frames - 1;
- int q;
+ frames_bwd = frames_fwd;
- // Define the arnr filter width for this group of frames. We only
- // filter frames that lie within a distance of half the GF interval
- // from the ARF frame. We also have to trap cases where the filter
- // extends beyond the end of the lookahead buffer.
- // Note: frames_to_arnr parameter is the offset of the arnr
- // frame from the current frame.
- half_gf_int = cpi->rc.baseline_gf_interval >> 1;
- frames_after_arf = vp9_lookahead_depth(cpi->lookahead)
- - frames_to_arnr - 1;
-
- switch (cpi->oxcf.arnr_type) {
- case 1: // Backward filter
- frames_fwd = 0;
- if (frames_bwd > half_gf_int)
- frames_bwd = half_gf_int;
- break;
-
- case 2: // Forward filter
- if (frames_fwd > half_gf_int)
- frames_fwd = half_gf_int;
- if (frames_fwd > frames_after_arf)
- frames_fwd = frames_after_arf;
- frames_bwd = 0;
- break;
-
- case 3: // Centered filter
- default:
- frames_fwd >>= 1;
- if (frames_fwd > frames_after_arf)
- frames_fwd = frames_after_arf;
- if (frames_fwd > half_gf_int)
- frames_fwd = half_gf_int;
-
- frames_bwd = frames_fwd;
-
- // For even length filter there is one more frame backward
- // than forward: e.g. len=6 ==> bbbAff, len=7 ==> bbbAfff.
- if (frames_bwd < half_gf_int)
- frames_bwd += (cpi->oxcf.arnr_max_frames + 1) & 0x1;
- break;
- }
+ // For even length filter there is one more frame backward
+ // than forward: e.g. len=6 ==> bbbAff, len=7 ==> bbbAfff.
+ if (frames_bwd < distance)
+ frames_bwd += (cpi->oxcf.arnr_max_frames + 1) & 0x1;
+ // Set the baseline active filter size.
cpi->active_arnr_frames = frames_bwd + 1 + frames_fwd;
- // Adjust the strength based on active max q
+ // Adjust the strength based on active max q.
if (cpi->common.current_video_frame > 1)
q = ((int)vp9_convert_qindex_to_q(
cpi->rc.avg_frame_qindex[INTER_FRAME]));
@@ -538,4 +403,79 @@ void vp9_configure_arnr_filter(VP9_COMP *cpi,
if (cpi->active_arnr_strength > (group_boost / 300)) {
cpi->active_arnr_strength = (group_boost / 300);
}
+
+ // Adjustments for second level arf in multi arf case.
+ if (cpi->oxcf.pass == 2 && cpi->multi_arf_allowed) {
+ const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
+ if (gf_group->rf_level[gf_group->index] != GF_ARF_STD) {
+ cpi->active_arnr_strength >>= 1;
+ }
+ }
+}
+
+void vp9_temporal_filter(VP9_COMP *cpi, int distance) {
+ VP9_COMMON *const cm = &cpi->common;
+ RATE_CONTROL *const rc = &cpi->rc;
+ int frame;
+ int frames_to_blur;
+ int start_frame;
+ int strength;
+ int frames_to_blur_backward;
+ int frames_to_blur_forward;
+ struct scale_factors sf;
+
+ // Apply context specific adjustments to the arnr filter parameters.
+ adjust_arnr_filter(cpi, distance, rc->gfu_boost);
+ strength = cpi->active_arnr_strength;
+ frames_to_blur = cpi->active_arnr_frames;
+ frames_to_blur_backward = (frames_to_blur / 2);
+ frames_to_blur_forward = ((frames_to_blur - 1) / 2);
+ start_frame = distance + frames_to_blur_forward;
+
+ // Setup frame pointers, NULL indicates frame not included in filter.
+ vp9_zero(cpi->frames);
+ for (frame = 0; frame < frames_to_blur; ++frame) {
+ const int which_buffer = start_frame - frame;
+ struct lookahead_entry *buf = vp9_lookahead_peek(cpi->lookahead,
+ which_buffer);
+ cpi->frames[frames_to_blur - 1 - frame] = &buf->img;
+ }
+
+ // Setup scaling factors. Scaling on each of the arnr frames is not supported
+ if (is_spatial_svc(cpi)) {
+ // In spatial svc the scaling factors might be less then 1/2. So we will use
+ // non-normative scaling.
+ int frame_used = 0;
+ vp9_setup_scale_factors_for_frame(&sf,
+ get_frame_new_buffer(cm)->y_crop_width,
+ get_frame_new_buffer(cm)->y_crop_height,
+ get_frame_new_buffer(cm)->y_crop_width,
+ get_frame_new_buffer(cm)->y_crop_height);
+
+ for (frame = 0; frame < frames_to_blur; ++frame) {
+ if (cm->mi_cols * MI_SIZE != cpi->frames[frame]->y_width ||
+ cm->mi_rows * MI_SIZE != cpi->frames[frame]->y_height) {
+ if (vp9_realloc_frame_buffer(&cpi->svc.scaled_frames[frame_used],
+ cm->width, cm->height,
+ cm->subsampling_x, cm->subsampling_y,
+ VP9_ENC_BORDER_IN_PIXELS, NULL, NULL,
+ NULL))
+ vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
+ "Failed to reallocate alt_ref_buffer");
+
+ cpi->frames[frame] =
+ vp9_scale_if_required(cm, cpi->frames[frame],
+ &cpi->svc.scaled_frames[frame_used]);
+ ++frame_used;
+ }
+ }
+ } else {
+ vp9_setup_scale_factors_for_frame(&sf,
+ get_frame_new_buffer(cm)->y_crop_width,
+ get_frame_new_buffer(cm)->y_crop_height,
+ cm->width, cm->height);
+ }
+
+ temporal_filter_iterate_c(cpi, frames_to_blur, frames_to_blur_backward,
+ strength, &sf);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 16:57:35 +0000