summaryrefslogtreecommitdiff
path: root/vp9/encoder/vp9_aq_cyclicrefresh.c
diff options
context:
space:
mode:
Diffstat (limited to 'vp9/encoder/vp9_aq_cyclicrefresh.c')
-rw-r--r--vp9/encoder/vp9_aq_cyclicrefresh.c164
1 files changed, 70 insertions, 94 deletions
diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.c b/vp9/encoder/vp9_aq_cyclicrefresh.c
index 3e1a0a522..e09f5e063 100644
--- a/vp9/encoder/vp9_aq_cyclicrefresh.c
+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c
@@ -24,8 +24,7 @@
CYCLIC_REFRESH *vp9_cyclic_refresh_alloc(int mi_rows, int mi_cols) {
size_t last_coded_q_map_size;
CYCLIC_REFRESH *const cr = vpx_calloc(1, sizeof(*cr));
- if (cr == NULL)
- return NULL;
+ if (cr == NULL) return NULL;
cr->map = vpx_calloc(mi_rows * mi_cols, sizeof(*cr->map));
if (cr->map == NULL) {
@@ -53,11 +52,8 @@ void vp9_cyclic_refresh_free(CYCLIC_REFRESH *cr) {
// (lower-qp coding). Decision can be based on various factors, such as
// size of the coding block (i.e., below min_block size rejected), coding
// mode, and rate/distortion.
-static int candidate_refresh_aq(const CYCLIC_REFRESH *cr,
- const MODE_INFO *mi,
- int64_t rate,
- int64_t dist,
- int bsize) {
+static int candidate_refresh_aq(const CYCLIC_REFRESH *cr, const MODE_INFO *mi,
+ int64_t rate, int64_t dist, int bsize) {
MV mv = mi->mv[0].as_mv;
// Reject the block for lower-qp coding if projected distortion
// is above the threshold, and any of the following is true:
@@ -69,11 +65,9 @@ static int candidate_refresh_aq(const CYCLIC_REFRESH *cr,
mv.col > cr->motion_thresh || mv.col < -cr->motion_thresh ||
!is_inter_block(mi)))
return CR_SEGMENT_ID_BASE;
- else if (bsize >= BLOCK_16X16 &&
- rate < cr->thresh_rate_sb &&
- is_inter_block(mi) &&
- mi->mv[0].as_int == 0 &&
- cr->rate_boost_fac > 10)
+ else if (bsize >= BLOCK_16X16 && rate < cr->thresh_rate_sb &&
+ is_inter_block(mi) && mi->mv[0].as_int == 0 &&
+ cr->rate_boost_fac > 10)
// More aggressive delta-q for bigger blocks with zero motion.
return CR_SEGMENT_ID_BOOST2;
else
@@ -84,9 +78,8 @@ static int candidate_refresh_aq(const CYCLIC_REFRESH *cr,
static int compute_deltaq(const VP9_COMP *cpi, int q, double rate_factor) {
const CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
const RATE_CONTROL *const rc = &cpi->rc;
- int deltaq = vp9_compute_qdelta_by_rate(rc, cpi->common.frame_type,
- q, rate_factor,
- cpi->common.bit_depth);
+ int deltaq = vp9_compute_qdelta_by_rate(rc, cpi->common.frame_type, q,
+ rate_factor, cpi->common.bit_depth);
if ((-deltaq) > cr->max_qdelta_perc * q / 100) {
deltaq = -cr->max_qdelta_perc * q / 100;
}
@@ -109,17 +102,18 @@ int vp9_cyclic_refresh_estimate_bits_at_q(const VP9_COMP *cpi,
double weight_segment1 = (double)cr->actual_num_seg1_blocks / num8x8bl;
double weight_segment2 = (double)cr->actual_num_seg2_blocks / num8x8bl;
// Take segment weighted average for estimated bits.
- estimated_bits = (int)((1.0 - weight_segment1 - weight_segment2) *
- vp9_estimate_bits_at_q(cm->frame_type, cm->base_qindex, mbs,
- correction_factor, cm->bit_depth) +
- weight_segment1 *
- vp9_estimate_bits_at_q(cm->frame_type,
- cm->base_qindex + cr->qindex_delta[1], mbs,
- correction_factor, cm->bit_depth) +
- weight_segment2 *
- vp9_estimate_bits_at_q(cm->frame_type,
- cm->base_qindex + cr->qindex_delta[2], mbs,
- correction_factor, cm->bit_depth));
+ estimated_bits =
+ (int)((1.0 - weight_segment1 - weight_segment2) *
+ vp9_estimate_bits_at_q(cm->frame_type, cm->base_qindex, mbs,
+ correction_factor, cm->bit_depth) +
+ weight_segment1 *
+ vp9_estimate_bits_at_q(cm->frame_type,
+ cm->base_qindex + cr->qindex_delta[1],
+ mbs, correction_factor, cm->bit_depth) +
+ weight_segment2 *
+ vp9_estimate_bits_at_q(cm->frame_type,
+ cm->base_qindex + cr->qindex_delta[2],
+ mbs, correction_factor, cm->bit_depth));
return estimated_bits;
}
@@ -137,30 +131,29 @@ int vp9_cyclic_refresh_rc_bits_per_mb(const VP9_COMP *cpi, int i,
// Weight for segment prior to encoding: take the average of the target
// number for the frame to be encoded and the actual from the previous frame.
int target_refresh = cr->percent_refresh * cm->mi_rows * cm->mi_cols / 100;
- double weight_segment = (double)((target_refresh +
- cr->actual_num_seg1_blocks + cr->actual_num_seg2_blocks) >> 1) /
+ double weight_segment =
+ (double)((target_refresh + cr->actual_num_seg1_blocks +
+ cr->actual_num_seg2_blocks) >>
+ 1) /
num8x8bl;
// Compute delta-q corresponding to qindex i.
int deltaq = compute_deltaq(cpi, i, cr->rate_ratio_qdelta);
// Take segment weighted average for bits per mb.
bits_per_mb = (int)((1.0 - weight_segment) *
- vp9_rc_bits_per_mb(cm->frame_type, i, correction_factor, cm->bit_depth) +
- weight_segment *
- vp9_rc_bits_per_mb(cm->frame_type, i + deltaq, correction_factor,
- cm->bit_depth));
+ vp9_rc_bits_per_mb(cm->frame_type, i,
+ correction_factor, cm->bit_depth) +
+ weight_segment *
+ vp9_rc_bits_per_mb(cm->frame_type, i + deltaq,
+ correction_factor, cm->bit_depth));
return bits_per_mb;
}
// Prior to coding a given prediction block, of size bsize at (mi_row, mi_col),
// check if we should reset the segment_id, and update the cyclic_refresh map
// and segmentation map.
-void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
- MODE_INFO *const mi,
- int mi_row, int mi_col,
- BLOCK_SIZE bsize,
- int64_t rate,
- int64_t dist,
- int skip,
+void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi, MODE_INFO *const mi,
+ int mi_row, int mi_col, BLOCK_SIZE bsize,
+ int64_t rate, int64_t dist, int skip,
struct macroblock_plane *const p) {
const VP9_COMMON *const cm = &cpi->common;
CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
@@ -172,22 +165,16 @@ void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
int refresh_this_block = candidate_refresh_aq(cr, mi, rate, dist, bsize);
// Default is to not update the refresh map.
int new_map_value = cr->map[block_index];
- int x = 0; int y = 0;
+ int x = 0;
+ int y = 0;
int is_skin = 0;
- if (refresh_this_block == 0 &&
- bsize <= BLOCK_16X16 &&
+ if (refresh_this_block == 0 && bsize <= BLOCK_16X16 &&
cpi->use_skin_detection) {
- is_skin = vp9_compute_skin_block(p[0].src.buf,
- p[1].src.buf,
- p[2].src.buf,
- p[0].src.stride,
- p[1].src.stride,
- bsize,
- 0,
- 0);
- if (is_skin)
- refresh_this_block = 1;
+ is_skin =
+ vp9_compute_skin_block(p[0].src.buf, p[1].src.buf, p[2].src.buf,
+ p[0].src.stride, p[1].src.stride, bsize, 0, 0);
+ if (is_skin) refresh_this_block = 1;
}
if (cpi->oxcf.rc_mode == VPX_VBR && mi->ref_frame[0] == GOLDEN_FRAME)
@@ -198,8 +185,7 @@ void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
if (cyclic_refresh_segment_id_boosted(mi->segment_id)) {
mi->segment_id = refresh_this_block;
// Reset segment_id if it will be skipped.
- if (skip)
- mi->segment_id = CR_SEGMENT_ID_BASE;
+ if (skip) mi->segment_id = CR_SEGMENT_ID_BASE;
}
// Update the cyclic refresh map, to be used for setting segmentation map
@@ -212,8 +198,7 @@ void vp9_cyclic_refresh_update_segment(VP9_COMP *const cpi,
// Else if it is accepted as candidate for refresh, and has not already
// been refreshed (marked as 1) then mark it as a candidate for cleanup
// for future time (marked as 0), otherwise don't update it.
- if (cr->map[block_index] == 1)
- new_map_value = 0;
+ if (cr->map[block_index] == 1) new_map_value = 0;
} else {
// Leave it marked as block that is not candidate for refresh.
new_map_value = 1;
@@ -250,13 +235,12 @@ void vp9_cyclic_refresh_update_sb_postencode(VP9_COMP *const cpi,
// the map for this spatial location is not entirely correct.
if ((!is_inter_block(mi) || !mi->skip) &&
mi->segment_id <= CR_SEGMENT_ID_BOOST2) {
- cr->last_coded_q_map[map_offset] = clamp(
- cm->base_qindex + cr->qindex_delta[mi->segment_id], 0, MAXQ);
+ cr->last_coded_q_map[map_offset] =
+ clamp(cm->base_qindex + cr->qindex_delta[mi->segment_id], 0, MAXQ);
} else if (is_inter_block(mi) && mi->skip &&
mi->segment_id <= CR_SEGMENT_ID_BOOST2) {
cr->last_coded_q_map[map_offset] = VPXMIN(
- clamp(cm->base_qindex + cr->qindex_delta[mi->segment_id],
- 0, MAXQ),
+ clamp(cm->base_qindex + cr->qindex_delta[mi->segment_id], 0, MAXQ),
cr->last_coded_q_map[map_offset]);
}
}
@@ -272,11 +256,12 @@ void vp9_cyclic_refresh_postencode(VP9_COMP *const cpi) {
cr->actual_num_seg2_blocks = 0;
for (mi_row = 0; mi_row < cm->mi_rows; mi_row++)
for (mi_col = 0; mi_col < cm->mi_cols; mi_col++) {
- if (cyclic_refresh_segment_id(
- seg_map[mi_row * cm->mi_cols + mi_col]) == CR_SEGMENT_ID_BOOST1)
+ if (cyclic_refresh_segment_id(seg_map[mi_row * cm->mi_cols + mi_col]) ==
+ CR_SEGMENT_ID_BOOST1)
cr->actual_num_seg1_blocks++;
else if (cyclic_refresh_segment_id(
- seg_map[mi_row * cm->mi_cols + mi_col]) == CR_SEGMENT_ID_BOOST2)
+ seg_map[mi_row * cm->mi_cols + mi_col]) ==
+ CR_SEGMENT_ID_BOOST2)
cr->actual_num_seg2_blocks++;
}
}
@@ -292,8 +277,7 @@ void vp9_cyclic_refresh_set_golden_update(VP9_COMP *const cpi) {
rc->baseline_gf_interval = VPXMIN(4 * (100 / cr->percent_refresh), 40);
else
rc->baseline_gf_interval = 40;
- if (cpi->oxcf.rc_mode == VPX_VBR)
- rc->baseline_gf_interval = 20;
+ if (cpi->oxcf.rc_mode == VPX_VBR) rc->baseline_gf_interval = 20;
}
// Update some encoding stats (from the just encoded frame). If this frame's
@@ -315,21 +299,21 @@ void vp9_cyclic_refresh_check_golden_update(VP9_COMP *const cpi) {
for (mi_row = 0; mi_row < rows; mi_row++) {
for (mi_col = 0; mi_col < cols; mi_col++) {
if (flag_force_gf_high_motion == 1) {
- int16_t abs_mvr = mi[0]->mv[0].as_mv.row >= 0 ?
- mi[0]->mv[0].as_mv.row : -1 * mi[0]->mv[0].as_mv.row;
- int16_t abs_mvc = mi[0]->mv[0].as_mv.col >= 0 ?
- mi[0]->mv[0].as_mv.col : -1 * mi[0]->mv[0].as_mv.col;
+ int16_t abs_mvr = mi[0]->mv[0].as_mv.row >= 0
+ ? mi[0]->mv[0].as_mv.row
+ : -1 * mi[0]->mv[0].as_mv.row;
+ int16_t abs_mvc = mi[0]->mv[0].as_mv.col >= 0
+ ? mi[0]->mv[0].as_mv.col
+ : -1 * mi[0]->mv[0].as_mv.col;
// Calculate the motion of the background.
if (abs_mvr <= 16 && abs_mvc <= 16) {
cnt1++;
- if (abs_mvr == 0 && abs_mvc == 0)
- cnt2++;
+ if (abs_mvr == 0 && abs_mvc == 0) cnt2++;
}
}
mi++;
// Accumulate low_content_frame.
- if (cr->map[mi_row * cols + mi_col] < 1)
- low_content_frame++;
+ if (cr->map[mi_row * cols + mi_col] < 1) low_content_frame++;
}
mi += 8;
}
@@ -339,7 +323,7 @@ void vp9_cyclic_refresh_check_golden_update(VP9_COMP *const cpi) {
// Also, force this frame as a golden update frame if this frame will change
// the resolution (resize_pending != 0).
if (cpi->resize_pending != 0 ||
- (cnt1 * 100 > (70 * rows * cols) && cnt2 * 20 < cnt1)) {
+ (cnt1 * 100 > (70 * rows * cols) && cnt2 * 20 < cnt1)) {
vp9_cyclic_refresh_set_golden_update(cpi);
rc->frames_till_gf_update_due = rc->baseline_gf_interval;
@@ -348,8 +332,7 @@ void vp9_cyclic_refresh_check_golden_update(VP9_COMP *const cpi) {
cpi->refresh_golden_frame = 1;
force_gf_refresh = 1;
}
- fraction_low =
- (double)low_content_frame / (rows * cols);
+ fraction_low = (double)low_content_frame / (rows * cols);
// Update average.
cr->low_content_avg = (fraction_low + 3 * cr->low_content_avg) / 4;
if (!force_gf_refresh && cpi->refresh_golden_frame == 1) {
@@ -396,14 +379,14 @@ static void cyclic_refresh_update_map(VP9_COMP *const cpi) {
}
qindex_thresh =
cpi->oxcf.content == VP9E_CONTENT_SCREEN
- ? vp9_get_qindex(&cm->seg, CR_SEGMENT_ID_BOOST2, cm->base_qindex)
- : vp9_get_qindex(&cm->seg, CR_SEGMENT_ID_BOOST1, cm->base_qindex);
+ ? vp9_get_qindex(&cm->seg, CR_SEGMENT_ID_BOOST2, cm->base_qindex)
+ : vp9_get_qindex(&cm->seg, CR_SEGMENT_ID_BOOST1, cm->base_qindex);
// More aggressive settings for noisy content.
if (cpi->noise_estimate.enabled && cpi->noise_estimate.level >= kMedium) {
consec_zero_mv_thresh = 80;
qindex_thresh =
VPXMAX(vp9_get_qindex(&cm->seg, CR_SEGMENT_ID_BOOST1, cm->base_qindex),
- 7 * cm->base_qindex >> 3);
+ 7 * cm->base_qindex >> 3);
}
do {
int sum_map = 0;
@@ -454,8 +437,7 @@ static void cyclic_refresh_update_map(VP9_COMP *const cpi) {
} while (cr->target_num_seg_blocks < block_count && i != cr->sb_index);
cr->sb_index = i;
cr->reduce_refresh = 0;
- if (count_sel < (3 * count_tot) >> 2)
- cr->reduce_refresh = 1;
+ if (count_sel<(3 * count_tot)>> 2) cr->reduce_refresh = 1;
}
// Set cyclic refresh parameters.
@@ -464,8 +446,7 @@ void vp9_cyclic_refresh_update_parameters(VP9_COMP *const cpi) {
const VP9_COMMON *const cm = &cpi->common;
CYCLIC_REFRESH *const cr = cpi->cyclic_refresh;
cr->percent_refresh = 10;
- if (cr->reduce_refresh)
- cr->percent_refresh = 5;
+ if (cr->reduce_refresh) cr->percent_refresh = 5;
cr->max_qdelta_perc = 50;
cr->time_for_refresh = 0;
cr->motion_thresh = 32;
@@ -474,8 +455,8 @@ void vp9_cyclic_refresh_update_parameters(VP9_COMP *const cpi) {
// periods of the refresh cycle, after a key frame.
// Account for larger interval on base layer for temporal layers.
if (cr->percent_refresh > 0 &&
- rc->frames_since_key < (4 * cpi->svc.number_temporal_layers) *
- (100 / cr->percent_refresh)) {
+ rc->frames_since_key <
+ (4 * cpi->svc.number_temporal_layers) * (100 / cr->percent_refresh)) {
cr->rate_ratio_qdelta = 3.0;
} else {
cr->rate_ratio_qdelta = 2.0;
@@ -486,9 +467,7 @@ void vp9_cyclic_refresh_update_parameters(VP9_COMP *const cpi) {
}
}
// Adjust some parameters for low resolutions at low bitrates.
- if (cm->width <= 352 &&
- cm->height <= 288 &&
- rc->avg_frame_bandwidth < 3400) {
+ if (cm->width <= 352 && cm->height <= 288 && rc->avg_frame_bandwidth < 3400) {
cr->motion_thresh = 4;
cr->rate_boost_fac = 10;
}
@@ -520,11 +499,9 @@ void vp9_cyclic_refresh_setup(VP9_COMP *const cpi) {
// instead of completely shutting off at low bitrates. For now keep it on.
// const int apply_cyclic_refresh = apply_cyclic_refresh_bitrate(cm, rc);
const int apply_cyclic_refresh = 1;
- if (cm->current_video_frame == 0)
- cr->low_content_avg = 0.0;
+ if (cm->current_video_frame == 0) cr->low_content_avg = 0.0;
// Don't apply refresh on key frame or temporal enhancement layer frames.
- if (!apply_cyclic_refresh ||
- (cm->frame_type == KEY_FRAME) ||
+ if (!apply_cyclic_refresh || (cm->frame_type == KEY_FRAME) ||
(cpi->svc.temporal_layer_id > 0)) {
// Set segmentation map to 0 and disable.
unsigned char *const seg_map = cpi->segmentation_map;
@@ -590,8 +567,7 @@ void vp9_cyclic_refresh_setup(VP9_COMP *const cpi) {
vp9_set_segdata(seg, CR_SEGMENT_ID_BOOST2, SEG_LVL_ALT_Q, qindex_delta);
// Reset if resoluton change has occurred.
- if (cpi->resize_pending != 0)
- vp9_cyclic_refresh_reset_resize(cpi);
+ if (cpi->resize_pending != 0) vp9_cyclic_refresh_reset_resize(cpi);
// Update the segmentation and refresh map.
cyclic_refresh_update_map(cpi);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-10 01:29:04 +0000