return target;
}
-// Update the buffer level for higher temporal layers, given the encoded current
-// temporal layer.
-static void update_layer_buffer_level(SVC *svc, int encoded_frame_size) {
- int i = 0;
- int current_temporal_layer = svc->temporal_layer_id;
- for (i = current_temporal_layer + 1;
- i < svc->number_temporal_layers; ++i) {
- const int layer = LAYER_IDS_TO_IDX(svc->spatial_layer_id, i,
- svc->number_temporal_layers);
- LAYER_CONTEXT *lc = &svc->layer_context[layer];
- RATE_CONTROL *lrc = &lc->rc;
- int bits_off_for_this_layer = (int)(lc->target_bandwidth / lc->framerate -
- encoded_frame_size);
- lrc->bits_off_target += bits_off_for_this_layer;
-
- // Clip buffer level to maximum buffer size for the layer.
- lrc->bits_off_target =
- VPXMIN(lrc->bits_off_target, lrc->maximum_buffer_size);
- lrc->buffer_level = lrc->bits_off_target;
- }
-}
-
// Update the buffer level: leaky bucket model.
static void update_buffer_level(VP10_COMP *cpi, int encoded_frame_size) {
const VP10_COMMON *const cm = &cpi->common;
// Clip the buffer level to the maximum specified buffer size.
rc->bits_off_target = VPXMIN(rc->bits_off_target, rc->maximum_buffer_size);
rc->buffer_level = rc->bits_off_target;
-
- if (is_one_pass_cbr_svc(cpi)) {
- update_layer_buffer_level(&cpi->svc, encoded_frame_size);
- }
}
int vp10_rc_get_default_min_gf_interval(
rcf = rc->rate_correction_factors[rf_lvl];
} else {
if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
- !rc->is_src_frame_alt_ref && !cpi->use_svc &&
+ !rc->is_src_frame_alt_ref &&
(cpi->oxcf.rc_mode != VPX_CBR || cpi->oxcf.gf_cbr_boost_pct > 20))
rcf = rc->rate_correction_factors[GF_ARF_STD];
else
rc->rate_correction_factors[rf_lvl] = factor;
} else {
if ((cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) &&
- !rc->is_src_frame_alt_ref && !cpi->use_svc &&
+ !rc->is_src_frame_alt_ref &&
(cpi->oxcf.rc_mode != VPX_CBR || cpi->oxcf.gf_cbr_boost_pct > 20))
rc->rate_correction_factors[GF_ARF_STD] = factor;
else
i = active_best_quality;
do {
- if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
- cm->seg.enabled &&
- cpi->svc.temporal_layer_id == 0 &&
- cpi->svc.spatial_layer_id == 0) {
+ if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled) {
bits_per_mb_at_this_q =
(int)vp10_cyclic_refresh_rc_bits_per_mb(cpi, i, correction_factor);
} else {
cm->bit_depth);
}
} else if (!rc->is_src_frame_alt_ref &&
- !cpi->use_svc &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
// Use the lower of active_worst_quality and recent
// average Q as basis for GF/ARF best Q limit unless last frame was
int *inter_minq;
ASSIGN_MINQ_TABLE(cm->bit_depth, inter_minq);
- if (frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi)) {
+ if (frame_is_intra_only(cm)) {
// Handle the special case for key frames forced when we have reached
// the maximum key frame interval. Here force the Q to a range
// based on the ambient Q to reduce the risk of popping.
#if LIMIT_QRANGE_FOR_ALTREF_AND_KEY
vpx_clear_system_state();
// Static forced key frames Q restrictions dealt with elsewhere.
- if (!((frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi))) ||
+ if (!(frame_is_intra_only(cm)) ||
!rc->this_key_frame_forced ||
(cpi->twopass.last_kfgroup_zeromotion_pct < STATIC_MOTION_THRESH)) {
int qdelta = vp10_frame_type_qdelta(cpi, gf_group->rf_level[gf_group->index],
if (oxcf->rc_mode == VPX_Q) {
q = active_best_quality;
// Special case code to try and match quality with forced key frames.
- } else if ((frame_is_intra_only(cm) || vp10_is_upper_layer_key_frame(cpi)) &&
- rc->this_key_frame_forced) {
+ } else if (frame_is_intra_only(cm) && rc->this_key_frame_forced) {
// If static since last kf use better of last boosted and last kf q.
if (cpi->twopass.last_kfgroup_zeromotion_pct >= STATIC_MOTION_THRESH) {
q = VPXMIN(rc->last_kf_qindex, rc->last_boosted_qindex);
ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[KEY_FRAME] + qindex, 2);
} else {
if (rc->is_src_frame_alt_ref ||
- !(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) ||
- (cpi->use_svc && oxcf->rc_mode == VPX_CBR)) {
+ !(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
rc->last_q[INTER_FRAME] = qindex;
rc->avg_frame_qindex[INTER_FRAME] =
ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[INTER_FRAME] + qindex, 2);
static int calc_pframe_target_size_one_pass_cbr(const VP10_COMP *cpi) {
const VP10EncoderConfig *oxcf = &cpi->oxcf;
const RATE_CONTROL *rc = &cpi->rc;
- const SVC *const svc = &cpi->svc;
const int64_t diff = rc->optimal_buffer_level - rc->buffer_level;
const int64_t one_pct_bits = 1 + rc->optimal_buffer_level / 100;
int min_frame_target =
} else {
target = rc->avg_frame_bandwidth;
}
- if (is_one_pass_cbr_svc(cpi)) {
- // Note that for layers, avg_frame_bandwidth is the cumulative
- // per-frame-bandwidth. For the target size of this frame, use the
- // layer average frame size (i.e., non-cumulative per-frame-bw).
- int layer =
- LAYER_IDS_TO_IDX(svc->spatial_layer_id,
- svc->temporal_layer_id, svc->number_temporal_layers);
- const LAYER_CONTEXT *lc = &svc->layer_context[layer];
- target = lc->avg_frame_size;
- min_frame_target = VPXMAX(lc->avg_frame_size >> 4, FRAME_OVERHEAD_BITS);
- }
+
if (diff > 0) {
// Lower the target bandwidth for this frame.
const int pct_low = (int)VPXMIN(diff / one_pct_bits, oxcf->under_shoot_pct);
static int calc_iframe_target_size_one_pass_cbr(const VP10_COMP *cpi) {
const RATE_CONTROL *rc = &cpi->rc;
- const VP10EncoderConfig *oxcf = &cpi->oxcf;
- const SVC *const svc = &cpi->svc;
int target;
if (cpi->common.current_video_frame == 0) {
target = ((rc->starting_buffer_level / 2) > INT_MAX)
} else {
int kf_boost = 32;
double framerate = cpi->framerate;
- if (svc->number_temporal_layers > 1 &&
- oxcf->rc_mode == VPX_CBR) {
- // Use the layer framerate for temporal layers CBR mode.
- const int layer = LAYER_IDS_TO_IDX(svc->spatial_layer_id,
- svc->temporal_layer_id, svc->number_temporal_layers);
- const LAYER_CONTEXT *lc = &svc->layer_context[layer];
- framerate = lc->framerate;
- }
+
kf_boost = VPXMAX(kf_boost, (int)(2 * framerate - 16));
if (rc->frames_since_key < framerate / 2) {
kf_boost = (int)(kf_boost * rc->frames_since_key /
return vp10_rc_clamp_iframe_target_size(cpi, target);
}
-// Reset information needed to set proper reference frames and buffer updates
-// for temporal layering. This is called when a key frame is encoded.
-static void reset_temporal_layer_to_zero(VP10_COMP *cpi) {
- int sl;
- LAYER_CONTEXT *lc = NULL;
- cpi->svc.temporal_layer_id = 0;
-
- for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
- lc = &cpi->svc.layer_context[sl * cpi->svc.number_temporal_layers];
- lc->current_video_frame_in_layer = 0;
- lc->frames_from_key_frame = 0;
- }
-}
-
-void vp10_rc_get_svc_params(VP10_COMP *cpi) {
- VP10_COMMON *const cm = &cpi->common;
- RATE_CONTROL *const rc = &cpi->rc;
- int target = rc->avg_frame_bandwidth;
- const int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
- cpi->svc.temporal_layer_id, cpi->svc.number_temporal_layers);
-
- if ((cm->current_video_frame == 0) ||
- (cpi->frame_flags & FRAMEFLAGS_KEY) ||
- (cpi->oxcf.auto_key && (rc->frames_since_key %
- cpi->oxcf.key_freq == 0))) {
- cm->frame_type = KEY_FRAME;
- rc->source_alt_ref_active = 0;
-
- if (is_two_pass_svc(cpi)) {
- cpi->svc.layer_context[layer].is_key_frame = 1;
- cpi->ref_frame_flags &=
- (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
- } else if (is_one_pass_cbr_svc(cpi)) {
- cpi->svc.layer_context[layer].is_key_frame = 1;
- reset_temporal_layer_to_zero(cpi);
- cpi->ref_frame_flags &=
- (~VP9_LAST_FLAG & ~VP9_GOLD_FLAG & ~VP9_ALT_FLAG);
- // Assumption here is that LAST_FRAME is being updated for a keyframe.
- // Thus no change in update flags.
- target = calc_iframe_target_size_one_pass_cbr(cpi);
- }
- } else {
- cm->frame_type = INTER_FRAME;
- if (is_two_pass_svc(cpi)) {
- LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer];
- if (cpi->svc.spatial_layer_id == 0) {
- lc->is_key_frame = 0;
- } else {
- lc->is_key_frame =
- cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame;
- if (lc->is_key_frame)
- cpi->ref_frame_flags &= (~VP9_LAST_FLAG);
- }
- cpi->ref_frame_flags &= (~VP9_ALT_FLAG);
- } else if (is_one_pass_cbr_svc(cpi)) {
- LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer];
- if (cpi->svc.spatial_layer_id == 0) {
- lc->is_key_frame = 0;
- } else {
- lc->is_key_frame =
- cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame;
- }
- target = calc_pframe_target_size_one_pass_cbr(cpi);
- }
- }
-
- // Any update/change of global cyclic refresh parameters (amount/delta-qp)
- // should be done here, before the frame qp is selected.
- if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
- vp10_cyclic_refresh_update_parameters(cpi);
-
- vp10_rc_set_frame_target(cpi, target);
- rc->frames_till_gf_update_due = INT_MAX;
- rc->baseline_gf_interval = INT_MAX;
-}
-
void vp10_rc_get_one_pass_cbr_params(VP10_COMP *cpi) {
VP10_COMMON *const cm = &cpi->common;
RATE_CONTROL *const rc = &cpi->rc;
projects / libvpx / blobdiff