ref: 99309004bf349f4d66beb2a90e934fb25855b1e9
parent: 9ce611a764ec41d8580aad8fad49d8266e009b31
author: paulwilkins <[email protected]>
date: Tue Dec 15 10:23:47 EST 2015
Fixed interval, fixed Q 1 pass test patch. For testing implemented a fixed pattern and delta, 1 pass, fixed Q, low delay mode. This has not in any way been tuned or optimized. Change-Id: Icf9b57c3bb16cc5c0726d5229009212af36eb6d9
--- a/vp10/encoder/encoder.c
+++ b/vp10/encoder/encoder.c
@@ -1422,7 +1422,11 @@
cpi->td.mb.e_mbd.bd = (int)cm->bit_depth;
#endif // CONFIG_VP9_HIGHBITDEPTH
- rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
+ if ((oxcf->pass == 0) && (oxcf->rc_mode == VPX_Q)) {+ rc->baseline_gf_interval = FIXED_GF_INTERVAL;
+ } else {+ rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
+ }
cpi->refresh_golden_frame = 0;
cpi->refresh_last_frame = 1;
--- a/vp10/encoder/ratectrl.c
+++ b/vp10/encoder/ratectrl.c
@@ -794,16 +794,18 @@
ASSIGN_MINQ_TABLE(cm->bit_depth, inter_minq);
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 (rc->this_key_frame_forced) {+ if (oxcf->rc_mode == VPX_Q) {+ int qindex = cq_level;
+ double q = vp10_convert_qindex_to_q(qindex, cm->bit_depth);
+ int delta_qindex = vp10_compute_qdelta(rc, q, q * 0.25,
+ cm->bit_depth);
+ active_best_quality = VPXMAX(qindex + delta_qindex, rc->best_quality);
+ } else if (rc->this_key_frame_forced) {int qindex = rc->last_boosted_qindex;
double last_boosted_q = vp10_convert_qindex_to_q(qindex, cm->bit_depth);
int delta_qindex = vp10_compute_qdelta(rc, last_boosted_q,
- last_boosted_q * 0.75,
- cm->bit_depth);
+ last_boosted_q * 0.75,
+ cm->bit_depth);
active_best_quality = VPXMAX(qindex + delta_qindex, rc->best_quality);
} else {// not first frame of one pass and kf_boost is set
@@ -823,8 +825,8 @@
// on active_best_quality.
q_val = vp10_convert_qindex_to_q(active_best_quality, cm->bit_depth);
active_best_quality += vp10_compute_qdelta(rc, q_val,
- q_val * q_adj_factor,
- cm->bit_depth);
+ q_val * q_adj_factor,
+ cm->bit_depth);
}
} else if (!rc->is_src_frame_alt_ref &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {@@ -848,17 +850,28 @@
active_best_quality = active_best_quality * 15 / 16;
} else if (oxcf->rc_mode == VPX_Q) {- if (!cpi->refresh_alt_ref_frame) {- active_best_quality = cq_level;
- } else {- active_best_quality = get_gf_active_quality(rc, q, cm->bit_depth);
- }
+ int qindex = cq_level;
+ double q = vp10_convert_qindex_to_q(qindex, cm->bit_depth);
+ int delta_qindex;
+ if (cpi->refresh_alt_ref_frame)
+ delta_qindex = vp10_compute_qdelta(rc, q, q * 0.40, cm->bit_depth);
+ else
+ delta_qindex = vp10_compute_qdelta(rc, q, q * 0.50, cm->bit_depth);
+ active_best_quality = VPXMAX(qindex + delta_qindex, rc->best_quality);
} else {active_best_quality = get_gf_active_quality(rc, q, cm->bit_depth);
}
} else { if (oxcf->rc_mode == VPX_Q) {- active_best_quality = cq_level;
+ int qindex = cq_level;
+ double q = vp10_convert_qindex_to_q(qindex, cm->bit_depth);
+ double delta_rate[FIXED_GF_INTERVAL] =
+ {0.50, 1.0, 0.85, 1.0, 0.70, 1.0, 0.85, 1.0};+ int delta_qindex =
+ vp10_compute_qdelta(rc, q,
+ q * delta_rate[cm->current_video_frame %
+ FIXED_GF_INTERVAL], cm->bit_depth);
+ active_best_quality = VPXMAX(qindex + delta_qindex, rc->best_quality);
} else {// Use the lower of active_worst_quality and recent/average Q.
if (cm->current_video_frame > 1)
@@ -1562,29 +1575,36 @@
RATE_CONTROL *const rc) {const VP10EncoderConfig *const oxcf = &cpi->oxcf;
- // Set Maximum gf/arf interval
- rc->max_gf_interval = oxcf->max_gf_interval;
- rc->min_gf_interval = oxcf->min_gf_interval;
- if (rc->min_gf_interval == 0)
- rc->min_gf_interval = vp10_rc_get_default_min_gf_interval(
- oxcf->width, oxcf->height, cpi->framerate);
- if (rc->max_gf_interval == 0)
- rc->max_gf_interval = vp10_rc_get_default_max_gf_interval(
- cpi->framerate, rc->min_gf_interval);
+ // Special case code for 1 pass fixed Q mode tests
+ if ((oxcf->pass == 0) && (oxcf->rc_mode == VPX_Q)) {+ rc->max_gf_interval = FIXED_GF_INTERVAL;
+ rc->min_gf_interval = FIXED_GF_INTERVAL;
+ rc->static_scene_max_gf_interval = FIXED_GF_INTERVAL;
+ } else {+ // Set Maximum gf/arf interval
+ rc->max_gf_interval = oxcf->max_gf_interval;
+ rc->min_gf_interval = oxcf->min_gf_interval;
+ if (rc->min_gf_interval == 0)
+ rc->min_gf_interval = vp10_rc_get_default_min_gf_interval(
+ oxcf->width, oxcf->height, cpi->framerate);
+ if (rc->max_gf_interval == 0)
+ rc->max_gf_interval = vp10_rc_get_default_max_gf_interval(
+ cpi->framerate, rc->min_gf_interval);
- // Extended interval for genuinely static scenes
- rc->static_scene_max_gf_interval = MAX_LAG_BUFFERS * 2;
+ // Extended interval for genuinely static scenes
+ rc->static_scene_max_gf_interval = MAX_LAG_BUFFERS * 2;
- if (is_altref_enabled(cpi)) {- if (rc->static_scene_max_gf_interval > oxcf->lag_in_frames - 1)
- rc->static_scene_max_gf_interval = oxcf->lag_in_frames - 1;
- }
+ if (is_altref_enabled(cpi)) {+ if (rc->static_scene_max_gf_interval > oxcf->lag_in_frames - 1)
+ rc->static_scene_max_gf_interval = oxcf->lag_in_frames - 1;
+ }
- if (rc->max_gf_interval > rc->static_scene_max_gf_interval)
- rc->max_gf_interval = rc->static_scene_max_gf_interval;
+ if (rc->max_gf_interval > rc->static_scene_max_gf_interval)
+ rc->max_gf_interval = rc->static_scene_max_gf_interval;
- // Clamp min to max
- rc->min_gf_interval = VPXMIN(rc->min_gf_interval, rc->max_gf_interval);
+ // Clamp min to max
+ rc->min_gf_interval = VPXMIN(rc->min_gf_interval, rc->max_gf_interval);
+ }
}
void vp10_rc_update_framerate(VP10_COMP *cpi) {--- a/vp10/encoder/ratectrl.h
+++ b/vp10/encoder/ratectrl.h
@@ -26,6 +26,7 @@
#define MIN_GF_INTERVAL 4
#define MAX_GF_INTERVAL 16
+#define FIXED_GF_INTERVAL 8 // Used in some testing modes only
typedef enum {INTER_NORMAL = 0,