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Fixed interval, fixed Q 1 pass test patch.

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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: Idf5ee179b277fa15d07a97f14f2ce5bbaae80a04
This commit is contained in:
paulwilkins 2015-12-14 12:34:25 +00:00
parent cea5e1c1e3
commit fc50d95b2e
3 changed files with 60 additions and 31 deletions
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6
vp9/encoder/vp9_encoder.c
View File

@ -1478,7 +1478,11 @@ void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
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;

84
vp9/encoder/vp9_ratectrl.c
View File

@ -833,10 +833,16 @@ static int rc_pick_q_and_bounds_one_pass_vbr(const VP9_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 = vp9_convert_qindex_to_q(qindex, cm->bit_depth);
int delta_qindex = vp9_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) {
// 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.
int qindex = rc->last_boosted_qindex;
double last_boosted_q = vp9_convert_qindex_to_q(qindex, cm->bit_depth);
int delta_qindex = vp9_compute_qdelta(rc, last_boosted_q,
@ -886,17 +892,28 @@ static int rc_pick_q_and_bounds_one_pass_vbr(const VP9_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 = vp9_convert_qindex_to_q(qindex, cm->bit_depth);
int delta_qindex;
if (cpi->refresh_alt_ref_frame)
delta_qindex = vp9_compute_qdelta(rc, q, q * 0.40, cm->bit_depth);
else
delta_qindex = vp9_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 = vp9_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 =
vp9_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)
@ -1722,29 +1739,36 @@ void vp9_rc_set_gf_interval_range(const VP9_COMP *const cpi,
RATE_CONTROL *const rc) {
const VP9EncoderConfig *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 = vp9_rc_get_default_min_gf_interval(
oxcf->width, oxcf->height, cpi->framerate);
if (rc->max_gf_interval == 0)
rc->max_gf_interval = vp9_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 = vp9_rc_get_default_min_gf_interval(
oxcf->width, oxcf->height, cpi->framerate);
if (rc->max_gf_interval == 0)
rc->max_gf_interval = vp9_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;
// 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 vp9_rc_update_framerate(VP9_COMP *cpi) {

1
vp9/encoder/vp9_ratectrl.h
View File

@ -26,6 +26,7 @@ extern "C" {
#define MIN_GF_INTERVAL 4
#define MAX_GF_INTERVAL 16
#define FIXED_GF_INTERVAL 8 // Used in some testing modes only
#define ONEHALFONLY_RESIZE 0
typedef enum {