ref: 6769143cef03f52a4619caa56bb44d258cd0ec27
parent: b03e7757d1bc2c060b98bf7001c229ca8d2fb91f
parent: 91dbac178f2b616fc8a92b1afd204068bad69cfc
author: Dmitry Kovalev <[email protected]>
date: Mon Apr 7 18:39:38 EDT 2014
Merge "Moving compute_qdelta functions into vp9_ratectrl.{h, c}."
--- a/vp9/encoder/vp9_aq_complexity.c
+++ b/vp9/encoder/vp9_aq_complexity.c
@@ -48,8 +48,7 @@
// Use some of the segments for in frame Q adjustment.
for (segment = 1; segment < 2; segment++) {const int qindex_delta =
- vp9_compute_qdelta_by_rate(cpi,
- cm->base_qindex,
+ vp9_compute_qdelta_by_rate(&cpi->rc, cm->frame_type, cm->base_qindex,
in_frame_q_adj_ratio[segment]);
vp9_enable_segfeature(seg, segment, SEG_LVL_ALT_Q);
vp9_set_segdata(seg, segment, SEG_LVL_ALT_Q, qindex_delta);
--- a/vp9/encoder/vp9_aq_cyclicrefresh.c
+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c
@@ -241,7 +241,7 @@
vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
// Set the q delta for segment 1.
- qindex_delta = vp9_compute_qdelta_by_rate(cpi,
+ qindex_delta = vp9_compute_qdelta_by_rate(rc, cm->frame_type,
cm->base_qindex,
rate_ratio_qdelta);
// TODO(marpan): Incorporate the actual-vs-target rate over/undershoot from
--- a/vp9/encoder/vp9_aq_variance.c
+++ b/vp9/encoder/vp9_aq_variance.c
@@ -99,7 +99,7 @@
continue;
}
- qindex_delta = vp9_compute_qdelta(cpi, base_q, base_q * Q_RATIO(i));
+ qindex_delta = vp9_compute_qdelta(&cpi->rc, base_q, base_q * Q_RATIO(i));
vp9_set_segdata(seg, SEGMENT_ID(i), SEG_LVL_ALT_Q, qindex_delta);
vp9_enable_segfeature(seg, SEGMENT_ID(i), SEG_LVL_ALT_Q);
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -255,56 +255,6 @@
cm->fc = cc->fc;
}
-// Computes a q delta (in "q index" terms) to get from a starting q value
-// to a target q value
-int vp9_compute_qdelta(const VP9_COMP *cpi, double qstart, double qtarget) {- const RATE_CONTROL *const rc = &cpi->rc;
- int start_index = rc->worst_quality;
- int target_index = rc->worst_quality;
- int i;
-
- // Convert the average q value to an index.
- for (i = rc->best_quality; i < rc->worst_quality; ++i) {- start_index = i;
- if (vp9_convert_qindex_to_q(i) >= qstart)
- break;
- }
-
- // Convert the q target to an index
- for (i = rc->best_quality; i < rc->worst_quality; ++i) {- target_index = i;
- if (vp9_convert_qindex_to_q(i) >= qtarget)
- break;
- }
-
- return target_index - start_index;
-}
-
-// Computes a q delta (in "q index" terms) to get from a starting q value
-// to a value that should equate to the given rate ratio.
-int vp9_compute_qdelta_by_rate(VP9_COMP *cpi, int qindex,
- double rate_target_ratio) {- const FRAME_TYPE frame_type = cpi->common.frame_type;
- const RATE_CONTROL *const rc = &cpi->rc;
- int target_index = rc->worst_quality;
- int i;
-
- // Look up the current projected bits per block for the base index
- const int base_bits_per_mb = vp9_rc_bits_per_mb(frame_type, qindex, 1.0);
-
- // Find the target bits per mb based on the base value and given ratio.
- const int target_bits_per_mb = (int)(rate_target_ratio * base_bits_per_mb);
-
- // Convert the q target to an index
- for (i = rc->best_quality; i < rc->worst_quality; ++i) {- target_index = i;
- if (vp9_rc_bits_per_mb(frame_type, i, 1.0) <= target_bits_per_mb )
- break;
- }
-
- return target_index - qindex;
-}
-
static void configure_static_seg_features(VP9_COMP *cpi) {VP9_COMMON *const cm = &cpi->common;
const RATE_CONTROL *const rc = &cpi->rc;
@@ -348,7 +298,7 @@
seg->update_map = 1;
seg->update_data = 1;
- qi_delta = vp9_compute_qdelta(cpi, rc->avg_q, rc->avg_q * 0.875);
+ qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 0.875);
vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2);
@@ -369,7 +319,7 @@
seg->update_data = 1;
seg->abs_delta = SEGMENT_DELTADATA;
- qi_delta = vp9_compute_qdelta(cpi, rc->avg_q, rc->avg_q * 1.125);
+ qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->avg_q * 1.125);
vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta + 2);
vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -609,11 +609,6 @@
void vp9_alloc_compressor_data(VP9_COMP *cpi);
-int vp9_compute_qdelta(const VP9_COMP *cpi, double qstart, double qtarget);
-
-int vp9_compute_qdelta_by_rate(VP9_COMP *cpi, int base_q_index,
- double rate_target_ratio);
-
void vp9_scale_references(VP9_COMP *cpi);
void vp9_update_reference_frames(VP9_COMP *cpi);
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -460,7 +460,7 @@
if (rc->this_key_frame_forced) {int qindex = rc->last_boosted_qindex;
double last_boosted_q = vp9_convert_qindex_to_q(qindex);
- int delta_qindex = vp9_compute_qdelta(cpi, last_boosted_q,
+ int delta_qindex = vp9_compute_qdelta(rc, last_boosted_q,
(last_boosted_q * 0.75));
active_best_quality = MAX(qindex + delta_qindex, rc->best_quality);
} else if (cm->current_video_frame > 0) {@@ -482,8 +482,8 @@
// Convert the adjustment factor to a qindex delta
// on active_best_quality.
q_val = vp9_convert_qindex_to_q(active_best_quality);
- active_best_quality += vp9_compute_qdelta(cpi, q_val, q_val *
- q_adj_factor);
+ active_best_quality += vp9_compute_qdelta(rc, q_val,
+ q_val * q_adj_factor);
}
} else if (!rc->is_src_frame_alt_ref &&
!cpi->use_svc &&
@@ -572,8 +572,8 @@
if (rc->this_key_frame_forced) {int qindex = rc->last_boosted_qindex;
double last_boosted_q = vp9_convert_qindex_to_q(qindex);
- int delta_qindex = vp9_compute_qdelta(cpi, last_boosted_q,
- (last_boosted_q * 0.75));
+ int delta_qindex = vp9_compute_qdelta(rc, last_boosted_q,
+ last_boosted_q * 0.75);
active_best_quality = MAX(qindex + delta_qindex, rc->best_quality);
} else if (cm->current_video_frame > 0) {// not first frame of one pass and kf_boost is set
@@ -594,8 +594,8 @@
// Convert the adjustment factor to a qindex delta
// on active_best_quality.
q_val = vp9_convert_qindex_to_q(active_best_quality);
- active_best_quality += vp9_compute_qdelta(cpi, q_val, q_val *
- q_adj_factor);
+ active_best_quality += vp9_compute_qdelta(rc, q_val,
+ q_val * q_adj_factor);
}
#else
double current_q;
@@ -602,7 +602,7 @@
// Force the KF quantizer to be 30% of the active_worst_quality.
current_q = vp9_convert_qindex_to_q(active_worst_quality);
active_best_quality = active_worst_quality
- + vp9_compute_qdelta(cpi, current_q, current_q * 0.3);
+ + vp9_compute_qdelta(rc, current_q, current_q * 0.3);
#endif
} else if (!rc->is_src_frame_alt_ref &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {@@ -721,7 +721,7 @@
assert(level >= 0);
new_q = current_q * (1.0 - (0.2 * (cpi->max_arf_level - level)));
q = active_worst_quality +
- vp9_compute_qdelta(cpi, current_q, new_q);
+ vp9_compute_qdelta(rc, current_q, new_q);
*bottom_index = q;
*top_index = q;
@@ -754,8 +754,8 @@
if (rc->this_key_frame_forced) {int qindex = rc->last_boosted_qindex;
double last_boosted_q = vp9_convert_qindex_to_q(qindex);
- int delta_qindex = vp9_compute_qdelta(cpi, last_boosted_q,
- (last_boosted_q * 0.75));
+ int delta_qindex = vp9_compute_qdelta(rc, last_boosted_q,
+ last_boosted_q * 0.75);
active_best_quality = MAX(qindex + delta_qindex, rc->best_quality);
} else {// Not forced keyframe.
@@ -779,8 +779,8 @@
// Convert the adjustment factor to a qindex delta
// on active_best_quality.
q_val = vp9_convert_qindex_to_q(active_best_quality);
- active_best_quality += vp9_compute_qdelta(cpi, q_val, q_val *
- q_adj_factor);
+ active_best_quality += vp9_compute_qdelta(rc, q_val,
+ q_val * q_adj_factor);
}
#else
double current_q;
@@ -787,7 +787,7 @@
// Force the KF quantizer to be 30% of the active_worst_quality.
current_q = vp9_convert_qindex_to_q(active_worst_quality);
active_best_quality = active_worst_quality
- + vp9_compute_qdelta(cpi, current_q, current_q * 0.3);
+ + vp9_compute_qdelta(rc, current_q, current_q * 0.3);
#endif
} else if (!rc->is_src_frame_alt_ref &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {@@ -904,7 +904,7 @@
assert(level >= 0);
new_q = current_q * (1.0 - (0.2 * (cpi->max_arf_level - level)));
q = active_worst_quality +
- vp9_compute_qdelta(cpi, current_q, new_q);
+ vp9_compute_qdelta(rc, current_q, new_q);
*bottom_index = q;
*top_index = q;
@@ -1281,4 +1281,47 @@
// Don't use gf_update by default in CBR mode.
rc->frames_till_gf_update_due = INT_MAX;
rc->baseline_gf_interval = INT_MAX;
+}
+
+int vp9_compute_qdelta(const RATE_CONTROL *rc, double qstart, double qtarget) {+ int start_index = rc->worst_quality;
+ int target_index = rc->worst_quality;
+ int i;
+
+ // Convert the average q value to an index.
+ for (i = rc->best_quality; i < rc->worst_quality; ++i) {+ start_index = i;
+ if (vp9_convert_qindex_to_q(i) >= qstart)
+ break;
+ }
+
+ // Convert the q target to an index
+ for (i = rc->best_quality; i < rc->worst_quality; ++i) {+ target_index = i;
+ if (vp9_convert_qindex_to_q(i) >= qtarget)
+ break;
+ }
+
+ return target_index - start_index;
+}
+
+int vp9_compute_qdelta_by_rate(const RATE_CONTROL *rc, FRAME_TYPE frame_type,
+ int qindex, double rate_target_ratio) {+ int target_index = rc->worst_quality;
+ int i;
+
+ // Look up the current projected bits per block for the base index
+ const int base_bits_per_mb = vp9_rc_bits_per_mb(frame_type, qindex, 1.0);
+
+ // Find the target bits per mb based on the base value and given ratio.
+ const int target_bits_per_mb = (int)(rate_target_ratio * base_bits_per_mb);
+
+ // Convert the q target to an index
+ for (i = rc->best_quality; i < rc->worst_quality; ++i) {+ target_index = i;
+ if (vp9_rc_bits_per_mb(frame_type, i, 1.0) <= target_bits_per_mb )
+ break;
+ }
+
+ return target_index - qindex;
}
--- a/vp9/encoder/vp9_ratectrl.h
+++ b/vp9/encoder/vp9_ratectrl.h
@@ -160,6 +160,15 @@
// This function is called only from the vp9_rc_get_..._params() functions.
void vp9_rc_set_frame_target(struct VP9_COMP *cpi, int target);
+// Computes a q delta (in "q index" terms) to get from a starting q value
+// to a target q value
+int vp9_compute_qdelta(const RATE_CONTROL *rc, double qstart, double qtarget);
+
+// Computes a q delta (in "q index" terms) to get from a starting q value
+// to a value that should equate to the given rate ratio.
+int vp9_compute_qdelta_by_rate(const RATE_CONTROL *rc, FRAME_TYPE frame_type,
+ int qindex, double rate_target_ratio);
+
#ifdef __cplusplus
} // extern "C"
#endif