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vp9: Replace the avg_size_inter metric, for 1 pass vbr.

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Code cleaup, use existing rolling_actual/target metrics instead,
set threshold to get same/similar effect.

Little/no change in metrics on ytlive set.

Change-Id: I74f3c3d0a143a9cf20dc9c3dee54c0f7e6a97a51
This commit is contained in:
Marco 2016-06-06 15:11:08 -07:00
parent 3de42ac27b
commit f0b08aa4fa
2 changed files with 7 additions and 8 deletions
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14
vp9/encoder/vp9_ratectrl.c
View File

@ -337,7 +337,6 @@ void vp9_rc_init(const VP9EncoderConfig *oxcf, int pass, RATE_CONTROL *rc) {
rc->total_actual_bits = 0;
rc->total_target_bits = 0;
rc->total_target_vs_actual = 0;
rc->avg_size_inter = 0;
rc->avg_frame_low_motion = 0;
rc->high_source_sad = 0;
rc->count_last_scene_change = 0;
@ -1469,9 +1468,6 @@ void vp9_rc_postencode_update(VP9_COMP *cpi, uint64_t bytes_used) {
if (oxcf->pass == 0) {
if (cm->frame_type != KEY_FRAME)
compute_frame_low_motion(cpi);
if (!cpi->refresh_golden_frame && !cpi->refresh_alt_ref_frame)
rc->avg_size_inter = ROUND_POWER_OF_TWO(
rc->avg_size_inter * 3 + rc->projected_frame_size, 2);
}
}
@ -1547,6 +1543,7 @@ void vp9_rc_get_one_pass_vbr_params(VP9_COMP *cpi) {
cm->frame_type = INTER_FRAME;
}
if (rc->frames_till_gf_update_due == 0) {
double rate_err = 1.0;
rc->gfu_boost = DEFAULT_GF_BOOST;
if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cpi->oxcf.pass == 0) {
vp9_cyclic_refresh_set_golden_update(cpi);
@ -1554,12 +1551,15 @@ void vp9_rc_get_one_pass_vbr_params(VP9_COMP *cpi) {
rc->baseline_gf_interval =
(rc->min_gf_interval + rc->max_gf_interval) / 2;
}
if (rc->rolling_target_bits > 0)
rate_err =
(double)rc->rolling_actual_bits / (double)rc->rolling_target_bits;
// Increase gf interval at high Q and high overshoot.
if (cm->current_video_frame > 30 &&
rc->avg_frame_qindex[INTER_FRAME] > (7 * rc->worst_quality) >> 3 &&
rc->avg_size_inter > (5 * rc->avg_frame_bandwidth) >> 1) {
rc->baseline_gf_interval =
VPXMIN(15, (3 * rc->baseline_gf_interval) >> 1);
rate_err > 4.0) {
rc->baseline_gf_interval =
VPXMIN(15, (3 * rc->baseline_gf_interval) >> 1);
} else if (cm->current_video_frame > 30 &&
rc->avg_frame_low_motion < 20) {
// Decrease boost and gf interval for high motion case.

1
vp9/encoder/vp9_ratectrl.h
View File

@ -162,7 +162,6 @@ typedef struct {
uint64_t avg_source_sad;
int high_source_sad;
int count_last_scene_change;
int avg_size_inter;
int avg_frame_low_motion;
} RATE_CONTROL;