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Diffstat (limited to 'vp9/encoder/vp9_ratectrl.c')
-rw-r--r--vp9/encoder/vp9_ratectrl.c76
1 files changed, 37 insertions, 39 deletions
diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c
index 9ad851754..fb8246201 100644
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -159,7 +159,7 @@ static void update_layer_buffer_level(SVC *svc, int 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 = MIN(lrc->bits_off_target, lc->maximum_buffer_size);
+ lrc->bits_off_target = MIN(lrc->bits_off_target, lrc->maximum_buffer_size);
lrc->buffer_level = lrc->bits_off_target;
}
}
@@ -167,7 +167,6 @@ static void update_layer_buffer_level(SVC *svc, int encoded_frame_size) {
// Update the buffer level: leaky bucket model.
static void update_buffer_level(VP9_COMP *cpi, int encoded_frame_size) {
const VP9_COMMON *const cm = &cpi->common;
- const VP9EncoderConfig *oxcf = &cpi->oxcf;
RATE_CONTROL *const rc = &cpi->rc;
// Non-viewable frames are a special case and are treated as pure overhead.
@@ -178,7 +177,7 @@ static void update_buffer_level(VP9_COMP *cpi, int encoded_frame_size) {
}
// Clip the buffer level to the maximum specified buffer size.
- rc->bits_off_target = MIN(rc->bits_off_target, oxcf->maximum_buffer_size);
+ rc->bits_off_target = MIN(rc->bits_off_target, rc->maximum_buffer_size);
rc->buffer_level = rc->bits_off_target;
if (cpi->use_svc && cpi->oxcf.rc_mode == RC_MODE_CBR) {
@@ -200,12 +199,11 @@ void vp9_rc_init(const VP9EncoderConfig *oxcf, int pass, RATE_CONTROL *rc) {
oxcf->best_allowed_q) / 2;
}
- rc->last_q[0] = oxcf->best_allowed_q;
- rc->last_q[1] = oxcf->best_allowed_q;
- rc->last_q[2] = oxcf->best_allowed_q;
+ rc->last_q[KEY_FRAME] = oxcf->best_allowed_q;
+ rc->last_q[INTER_FRAME] = oxcf->best_allowed_q;
- rc->buffer_level = oxcf->starting_buffer_level;
- rc->bits_off_target = oxcf->starting_buffer_level;
+ rc->buffer_level = rc->starting_buffer_level;
+ rc->bits_off_target = rc->starting_buffer_level;
rc->rolling_target_bits = rc->avg_frame_bandwidth;
rc->rolling_actual_bits = rc->avg_frame_bandwidth;
@@ -251,7 +249,7 @@ int vp9_rc_drop_frame(VP9_COMP *cpi) {
// If buffer is below drop_mark, for now just drop every other frame
// (starting with the next frame) until it increases back over drop_mark.
int drop_mark = (int)(oxcf->drop_frames_water_mark *
- oxcf->optimal_buffer_level / 100);
+ rc->optimal_buffer_level / 100);
if ((rc->buffer_level > drop_mark) &&
(rc->decimation_factor > 0)) {
--rc->decimation_factor;
@@ -445,10 +443,9 @@ static int calc_active_worst_quality_one_pass_cbr(const VP9_COMP *cpi) {
// ambient Q (at buffer = optimal level) to worst_quality level
// (at buffer = critical level).
const VP9_COMMON *const cm = &cpi->common;
- const VP9EncoderConfig *oxcf = &cpi->oxcf;
const RATE_CONTROL *rc = &cpi->rc;
// Buffer level below which we push active_worst to worst_quality.
- int64_t critical_level = oxcf->optimal_buffer_level >> 2;
+ int64_t critical_level = rc->optimal_buffer_level >> 2;
int64_t buff_lvl_step = 0;
int adjustment = 0;
int active_worst_quality;
@@ -460,26 +457,26 @@ static int calc_active_worst_quality_one_pass_cbr(const VP9_COMP *cpi) {
else
active_worst_quality = MIN(rc->worst_quality,
rc->avg_frame_qindex[KEY_FRAME] * 3 / 2);
- if (rc->buffer_level > oxcf->optimal_buffer_level) {
+ if (rc->buffer_level > rc->optimal_buffer_level) {
// Adjust down.
// Maximum limit for down adjustment, ~30%.
int max_adjustment_down = active_worst_quality / 3;
if (max_adjustment_down) {
- buff_lvl_step = ((oxcf->maximum_buffer_size -
- oxcf->optimal_buffer_level) / max_adjustment_down);
+ buff_lvl_step = ((rc->maximum_buffer_size -
+ rc->optimal_buffer_level) / max_adjustment_down);
if (buff_lvl_step)
- adjustment = (int)((rc->buffer_level - oxcf->optimal_buffer_level) /
+ adjustment = (int)((rc->buffer_level - rc->optimal_buffer_level) /
buff_lvl_step);
active_worst_quality -= adjustment;
}
} else if (rc->buffer_level > critical_level) {
// Adjust up from ambient Q.
if (critical_level) {
- buff_lvl_step = (oxcf->optimal_buffer_level - critical_level);
+ buff_lvl_step = (rc->optimal_buffer_level - critical_level);
if (buff_lvl_step) {
adjustment =
(int)((rc->worst_quality - rc->avg_frame_qindex[INTER_FRAME]) *
- (oxcf->optimal_buffer_level - rc->buffer_level) /
+ (rc->optimal_buffer_level - rc->buffer_level) /
buff_lvl_step);
}
active_worst_quality = rc->avg_frame_qindex[INTER_FRAME] + adjustment;
@@ -1090,7 +1087,6 @@ void vp9_rc_postencode_update(VP9_COMP *cpi, uint64_t bytes_used) {
} else if (!rc->is_src_frame_alt_ref &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) &&
!(cpi->use_svc && oxcf->rc_mode == RC_MODE_CBR)) {
- rc->last_q[2] = qindex;
rc->avg_frame_qindex[2] =
ROUND_POWER_OF_TWO(3 * rc->avg_frame_qindex[2] + qindex, 2);
} else {
@@ -1229,8 +1225,8 @@ static int calc_pframe_target_size_one_pass_cbr(const VP9_COMP *cpi) {
const VP9EncoderConfig *oxcf = &cpi->oxcf;
const RATE_CONTROL *rc = &cpi->rc;
const SVC *const svc = &cpi->svc;
- const int64_t diff = oxcf->optimal_buffer_level - rc->buffer_level;
- const int64_t one_pct_bits = 1 + oxcf->optimal_buffer_level / 100;
+ 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 = MAX(rc->avg_frame_bandwidth >> 4, FRAME_OVERHEAD_BITS);
int target = rc->avg_frame_bandwidth;
if (svc->number_temporal_layers > 1 &&
@@ -1261,8 +1257,8 @@ static int calc_iframe_target_size_one_pass_cbr(const VP9_COMP *cpi) {
const SVC *const svc = &cpi->svc;
int target;
if (cpi->common.current_video_frame == 0) {
- target = ((cpi->oxcf.starting_buffer_level / 2) > INT_MAX)
- ? INT_MAX : (int)(cpi->oxcf.starting_buffer_level / 2);
+ target = ((rc->starting_buffer_level / 2) > INT_MAX)
+ ? INT_MAX : (int)(rc->starting_buffer_level / 2);
} else {
int kf_boost = 32;
double framerate = oxcf->framerate;
@@ -1390,6 +1386,24 @@ int vp9_compute_qdelta_by_rate(const RATE_CONTROL *rc, FRAME_TYPE frame_type,
return target_index - qindex;
}
+void vp9_rc_set_gf_max_interval(const VP9EncoderConfig *const oxcf,
+ RATE_CONTROL *const rc) {
+ // Set Maximum gf/arf interval
+ rc->max_gf_interval = 16;
+
+ // Extended interval for genuinely static scenes
+ rc->static_scene_max_gf_interval = oxcf->key_freq >> 1;
+
+ // Special conditions when alt ref frame enabled
+ if (oxcf->play_alternate && oxcf->lag_in_frames) {
+ 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;
+}
+
void vp9_rc_update_framerate(VP9_COMP *cpi) {
const VP9_COMMON *const cm = &cpi->common;
const VP9EncoderConfig *const oxcf = &cpi->oxcf;
@@ -1414,21 +1428,5 @@ void vp9_rc_update_framerate(VP9_COMP *cpi) {
rc->max_frame_bandwidth = MAX(MAX((cm->MBs * MAX_MB_RATE), MAXRATE_1080P),
vbr_max_bits);
- // Set Maximum gf/arf interval
- rc->max_gf_interval = 16;
-
- // Extended interval for genuinely static scenes
- rc->static_scene_max_gf_interval = cpi->oxcf.key_freq >> 1;
-
- // Special conditions when alt ref frame enabled in lagged compress mode
- if (oxcf->play_alternate && oxcf->lag_in_frames) {
- if (rc->max_gf_interval > oxcf->lag_in_frames - 1)
- rc->max_gf_interval = oxcf->lag_in_frames - 1;
-
- 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;
+ vp9_rc_set_gf_max_interval(oxcf, rc);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-15 13:13:44 +0000