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Diffstat (limited to 'vp10/encoder/ratectrl.c')
-rw-r--r--vp10/encoder/ratectrl.c92
1 files changed, 56 insertions, 36 deletions
diff --git a/vp10/encoder/ratectrl.c b/vp10/encoder/ratectrl.c
index 3ff24768d..606877594 100644
--- a/vp10/encoder/ratectrl.c
+++ b/vp10/encoder/ratectrl.c
@@ -794,16 +794,18 @@ static int rc_pick_q_and_bounds_one_pass_vbr(const VP10_COMP *cpi,
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 @@ static int rc_pick_q_and_bounds_one_pass_vbr(const VP10_COMP *cpi,
// 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 @@ static int rc_pick_q_and_bounds_one_pass_vbr(const VP10_COMP *cpi,
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)
@@ -1254,7 +1267,7 @@ void vp10_rc_postencode_update(VP10_COMP *cpi, uint64_t bytes_used) {
rc->avg_frame_qindex[KEY_FRAME] =
ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[KEY_FRAME] + qindex, 2);
} else {
- if (rc->is_src_frame_alt_ref ||
+ if (!rc->is_src_frame_alt_ref &&
!(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
rc->last_q[INTER_FRAME] = qindex;
rc->avg_frame_qindex[INTER_FRAME] =
@@ -1562,29 +1575,36 @@ void vp10_rc_set_gf_interval_range(const VP10_COMP *const cpi,
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;
+
+ 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;
+ }
- // Extended interval for genuinely static scenes
- rc->static_scene_max_gf_interval = MAX_LAG_BUFFERS * 2;
+ if (rc->max_gf_interval > rc->static_scene_max_gf_interval)
+ rc->max_gf_interval = rc->static_scene_max_gf_interval;
- 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;
+ // Clamp min to max
+ rc->min_gf_interval = VPXMIN(rc->min_gf_interval, rc->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);
}
void vp10_rc_update_framerate(VP10_COMP *cpi) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-10 21:33:06 +0000