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Merge "Refactoring of rate control - part 1"

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This commit is contained in:
Deb Mukherjee 2013-11-22 08:06:48 -08:00 committed by Gerrit Code Review
commit 5576a4e1cb
7 changed files with 789 additions and 797 deletions
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136
vp9/encoder/vp9_firstpass.c
View File

@ -966,19 +966,19 @@ static double calc_correction_factor(double err_per_mb,
// (now uses the actual quantizer) but has not been tuned.
static void adjust_maxq_qrange(VP9_COMP *cpi) {
int i;
// Set the max corresponding to cpi->avg_q * 2.0
double q = cpi->avg_q * 2.0;
cpi->twopass.maxq_max_limit = cpi->worst_quality;
for (i = cpi->best_quality; i <= cpi->worst_quality; i++) {
// Set the max corresponding to cpi->rc.avg_q * 2.0
double q = cpi->rc.avg_q * 2.0;
cpi->twopass.maxq_max_limit = cpi->rc.worst_quality;
for (i = cpi->rc.best_quality; i <= cpi->rc.worst_quality; i++) {
cpi->twopass.maxq_max_limit = i;
if (vp9_convert_qindex_to_q(i) >= q)
break;
}
// Set the min corresponding to cpi->avg_q * 0.5
q = cpi->avg_q * 0.5;
cpi->twopass.maxq_min_limit = cpi->best_quality;
for (i = cpi->worst_quality; i >= cpi->best_quality; i--) {
// Set the min corresponding to cpi->rc.avg_q * 0.5
q = cpi->rc.avg_q * 0.5;
cpi->twopass.maxq_min_limit = cpi->rc.best_quality;
for (i = cpi->rc.worst_quality; i >= cpi->rc.best_quality; i--) {
cpi->twopass.maxq_min_limit = i;
if (vp9_convert_qindex_to_q(i) <= q)
break;
@ -1017,10 +1017,10 @@ static int estimate_max_q(VP9_COMP *cpi,
// Calculate a corrective factor based on a rolling ratio of bits spent
// vs target bits
if (cpi->rolling_target_bits > 0 &&
cpi->active_worst_quality < cpi->worst_quality) {
double rolling_ratio = (double)cpi->rolling_actual_bits /
(double)cpi->rolling_target_bits;
if (cpi->rc.rolling_target_bits > 0 &&
cpi->rc.active_worst_quality < cpi->rc.worst_quality) {
double rolling_ratio = (double)cpi->rc.rolling_actual_bits /
(double)cpi->rc.rolling_target_bits;
if (rolling_ratio < 0.95)
cpi->twopass.est_max_qcorrection_factor -= 0.005;
@ -1066,8 +1066,8 @@ static int estimate_max_q(VP9_COMP *cpi,
// average q observed in clip for non kf/gf/arf frames
// Give average a chance to settle though.
// PGW TODO.. This code is broken for the extended Q range
if (cpi->ni_frames > ((int)cpi->twopass.total_stats.count >> 8) &&
cpi->ni_frames > 25)
if (cpi->rc.ni_frames > ((int)cpi->twopass.total_stats.count >> 8) &&
cpi->rc.ni_frames > 25)
adjust_maxq_qrange(cpi);
return q;
@ -1146,10 +1146,10 @@ static int estimate_cq(VP9_COMP *cpi,
// Clip value to range "best allowed to (worst allowed - 1)"
q = select_cq_level(q);
if (q >= cpi->worst_quality)
q = cpi->worst_quality - 1;
if (q < cpi->best_quality)
q = cpi->best_quality;
if (q >= cpi->rc.worst_quality)
q = cpi->rc.worst_quality - 1;
if (q < cpi->rc.best_quality)
q = cpi->rc.best_quality;
return q;
}
@ -1599,13 +1599,13 @@ void define_fixed_arf_period(VP9_COMP *cpi) {
if (cpi->twopass.frames_to_key <= (FIXED_ARF_GROUP_SIZE + 8)) {
// Setup a GF group close to the keyframe.
cpi->source_alt_ref_pending = 0;
cpi->baseline_gf_interval = cpi->twopass.frames_to_key;
schedule_frames(cpi, 0, (cpi->baseline_gf_interval - 1), 2, 0, 0);
cpi->rc.baseline_gf_interval = cpi->twopass.frames_to_key;
schedule_frames(cpi, 0, (cpi->rc.baseline_gf_interval - 1), 2, 0, 0);
} else {
// Setup a fixed period ARF group.
cpi->source_alt_ref_pending = 1;
cpi->baseline_gf_interval = FIXED_ARF_GROUP_SIZE;
schedule_frames(cpi, 0, -(cpi->baseline_gf_interval - 1), 2, 1, 0);
cpi->rc.baseline_gf_interval = FIXED_ARF_GROUP_SIZE;
schedule_frames(cpi, 0, -(cpi->rc.baseline_gf_interval - 1), 2, 1, 0);
}
// Replace level indicator of -1 with correct level.
@ -1702,10 +1702,10 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// At high Q when there are few bits to spare we are better with a longer
// interval to spread the cost of the GF.
active_max_gf_interval =
12 + ((int)vp9_convert_qindex_to_q(cpi->active_worst_quality) >> 5);
12 + ((int)vp9_convert_qindex_to_q(cpi->rc.active_worst_quality) >> 5);
if (active_max_gf_interval > cpi->max_gf_interval)
active_max_gf_interval = cpi->max_gf_interval;
if (active_max_gf_interval > cpi->rc.max_gf_interval)
active_max_gf_interval = cpi->rc.max_gf_interval;
i = 0;
while (((i < cpi->twopass.static_scene_max_gf_interval) ||
@ -1799,7 +1799,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
}
// Set the interval until the next gf or arf.
cpi->baseline_gf_interval = i;
cpi->rc.baseline_gf_interval = i;
#if CONFIG_MULTIPLE_ARF
if (cpi->multi_arf_enabled) {
@ -1825,24 +1825,25 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
(mv_in_out_accumulator > -2.0)) &&
(boost_score > 100)) {
// Alternative boost calculation for alt ref
cpi->gfu_boost = calc_arf_boost(cpi, 0, (i - 1), (i - 1), &f_boost,
cpi->rc.gfu_boost = calc_arf_boost(cpi, 0, (i - 1), (i - 1), &f_boost,
&b_boost);
cpi->source_alt_ref_pending = 1;
#if CONFIG_MULTIPLE_ARF
// Set the ARF schedule.
if (cpi->multi_arf_enabled) {
schedule_frames(cpi, 0, -(cpi->baseline_gf_interval - 1), 2, 1, 0);
schedule_frames(cpi, 0, -(cpi->rc.baseline_gf_interval - 1), 2, 1, 0);
}
#endif
} else {
cpi->gfu_boost = (int)boost_score;
cpi->rc.gfu_boost = (int)boost_score;
cpi->source_alt_ref_pending = 0;
#if CONFIG_MULTIPLE_ARF
// Set the GF schedule.
if (cpi->multi_arf_enabled) {
schedule_frames(cpi, 0, cpi->baseline_gf_interval - 1, 2, 0, 0);
assert(cpi->new_frame_coding_order_period == cpi->baseline_gf_interval);
schedule_frames(cpi, 0, cpi->rc.baseline_gf_interval - 1, 2, 0, 0);
assert(cpi->new_frame_coding_order_period ==
cpi->rc.baseline_gf_interval);
}
#endif
}
@ -1915,8 +1916,9 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// Clip cpi->twopass.gf_group_bits based on user supplied data rate
// variability limit (cpi->oxcf.two_pass_vbrmax_section)
if (cpi->twopass.gf_group_bits >
(int64_t)max_bits * cpi->baseline_gf_interval)
cpi->twopass.gf_group_bits = (int64_t)max_bits * cpi->baseline_gf_interval;
(int64_t)max_bits * cpi->rc.baseline_gf_interval)
cpi->twopass.gf_group_bits =
(int64_t)max_bits * cpi->rc.baseline_gf_interval;
// Reset the file position
reset_fpf_position(cpi, start_pos);
@ -1929,19 +1931,18 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
i <= (cpi->source_alt_ref_pending && cpi->common.frame_type != KEY_FRAME);
++i) {
int allocation_chunks;
int q = cpi->oxcf.fixed_q < 0 ? cpi->last_q[INTER_FRAME]
: cpi->oxcf.fixed_q;
int q = cpi->rc.last_q[INTER_FRAME];
int gf_bits;
int boost = (cpi->gfu_boost * vp9_gfboost_qadjust(q)) / 100;
int boost = (cpi->rc.gfu_boost * vp9_gfboost_qadjust(q)) / 100;
// Set max and minimum boost and hence minimum allocation
boost = clamp(boost, 125, (cpi->baseline_gf_interval + 1) * 200);
boost = clamp(boost, 125, (cpi->rc.baseline_gf_interval + 1) * 200);
if (cpi->source_alt_ref_pending && i == 0)
allocation_chunks = ((cpi->baseline_gf_interval + 1) * 100) + boost;
allocation_chunks = ((cpi->rc.baseline_gf_interval + 1) * 100) + boost;
else
allocation_chunks = (cpi->baseline_gf_interval * 100) + (boost - 100);
allocation_chunks = (cpi->rc.baseline_gf_interval * 100) + (boost - 100);
// Prevent overflow
if (boost > 1023) {
@ -1958,10 +1959,10 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// If the frame that is to be boosted is simpler than the average for
// the gf/arf group then use an alternative calculation
// based on the error score of the frame itself
if (mod_frame_err < gf_group_err / (double)cpi->baseline_gf_interval) {
if (mod_frame_err < gf_group_err / (double)cpi->rc.baseline_gf_interval) {
double alt_gf_grp_bits =
(double)cpi->twopass.kf_group_bits *
(mod_frame_err * (double)cpi->baseline_gf_interval) /
(mod_frame_err * (double)cpi->rc.baseline_gf_interval) /
DOUBLE_DIVIDE_CHECK(cpi->twopass.kf_group_error_left);
int alt_gf_bits = (int)((double)boost * (alt_gf_grp_bits /
@ -1986,7 +1987,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
gf_bits = 0;
// Add in minimum for a frame
gf_bits += cpi->min_frame_bandwidth;
gf_bits += cpi->rc.min_frame_bandwidth;
if (i == 0) {
cpi->twopass.gf_bits = gf_bits;
@ -1994,7 +1995,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
if (i == 1 || (!cpi->source_alt_ref_pending
&& (cpi->common.frame_type != KEY_FRAME))) {
// Per frame bit target for this frame
cpi->per_frame_bandwidth = gf_bits;
cpi->rc.per_frame_bandwidth = gf_bits;
}
}
@ -2017,7 +2018,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
cpi->twopass.gf_group_error_left = (int64_t)gf_group_err;
cpi->twopass.gf_group_bits -= cpi->twopass.gf_bits
- cpi->min_frame_bandwidth;
- cpi->rc.min_frame_bandwidth;
if (cpi->twopass.gf_group_bits < 0)
cpi->twopass.gf_group_bits = 0;
@ -2025,8 +2026,9 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// This condition could fail if there are two kfs very close together
// despite (MIN_GF_INTERVAL) and would cause a divide by 0 in the
// calculation of alt_extra_bits.
if (cpi->baseline_gf_interval >= 3) {
const int boost = cpi->source_alt_ref_pending ? b_boost : cpi->gfu_boost;
if (cpi->rc.baseline_gf_interval >= 3) {
const int boost = cpi->source_alt_ref_pending ?
b_boost : cpi->rc.gfu_boost;
if (boost >= 150) {
int alt_extra_bits;
@ -2045,7 +2047,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
zero_stats(&sectionstats);
reset_fpf_position(cpi, start_pos);
for (i = 0; i < cpi->baseline_gf_interval; i++) {
for (i = 0; i < cpi->rc.baseline_gf_interval; i++) {
input_stats(cpi, &next_frame);
accumulate_stats(&sectionstats, &next_frame);
}
@ -2102,10 +2104,10 @@ static void assign_std_frame_bits(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
cpi->twopass.gf_group_bits = 0;
// Add in the minimum number of bits that is set aside for every frame.
target_frame_size += cpi->min_frame_bandwidth;
target_frame_size += cpi->rc.min_frame_bandwidth;
// Per frame bit target for this frame.
cpi->per_frame_bandwidth = target_frame_size;
cpi->rc.per_frame_bandwidth = target_frame_size;
}
// Make a damped adjustment to the active max q.
@ -2145,7 +2147,7 @@ void vp9_second_pass(VP9_COMP *cpi) {
vp9_clear_system_state();
if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) {
cpi->active_worst_quality = cpi->oxcf.cq_level;
cpi->rc.active_worst_quality = cpi->oxcf.cq_level;
} else {
// Special case code for first frame.
if (cpi->common.current_video_frame == 0) {
@ -2169,15 +2171,15 @@ void vp9_second_pass(VP9_COMP *cpi) {
*/
// guess at maxq needed in 2nd pass
cpi->twopass.maxq_max_limit = cpi->worst_quality;
cpi->twopass.maxq_min_limit = cpi->best_quality;
cpi->twopass.maxq_max_limit = cpi->rc.worst_quality;
cpi->twopass.maxq_min_limit = cpi->rc.best_quality;
tmp_q = estimate_max_q(cpi, &cpi->twopass.total_left_stats,
section_target_bandwidth);
cpi->active_worst_quality = tmp_q;
cpi->ni_av_qi = tmp_q;
cpi->avg_q = vp9_convert_qindex_to_q(tmp_q);
cpi->rc.active_worst_quality = tmp_q;
cpi->rc.ni_av_qi = tmp_q;
cpi->rc.avg_q = vp9_convert_qindex_to_q(tmp_q);
// Limit the maxq value returned subsequently.
// This increases the risk of overspend or underspend if the initial
@ -2193,7 +2195,7 @@ void vp9_second_pass(VP9_COMP *cpi) {
// few surplus bits or get beneath the target rate.
else if ((cpi->common.current_video_frame <
(((unsigned int)cpi->twopass.total_stats.count * 255) >> 8)) &&
((cpi->common.current_video_frame + cpi->baseline_gf_interval) <
((cpi->common.current_video_frame + cpi->rc.baseline_gf_interval) <
(unsigned int)cpi->twopass.total_stats.count)) {
int section_target_bandwidth =
(int)(cpi->twopass.bits_left / frames_left);
@ -2206,8 +2208,8 @@ void vp9_second_pass(VP9_COMP *cpi) {
section_target_bandwidth);
// Make a damped adjustment to active max Q
cpi->active_worst_quality =
adjust_active_maxq(cpi->active_worst_quality, tmp_q);
cpi->rc.active_worst_quality =
adjust_active_maxq(cpi->rc.active_worst_quality, tmp_q);
}
}
vp9_zero(this_frame);
@ -2225,7 +2227,7 @@ void vp9_second_pass(VP9_COMP *cpi) {
}
// Is this a GF / ARF (Note that a KF is always also a GF)
if (cpi->frames_till_gf_update_due == 0) {
if (cpi->rc.frames_till_gf_update_due == 0) {
// Define next gf group and assign bits to it
this_frame_copy = this_frame;
@ -2259,10 +2261,10 @@ void vp9_second_pass(VP9_COMP *cpi) {
if (cpi->source_alt_ref_pending && (cpi->common.frame_type != KEY_FRAME)) {
// Assign a standard frames worth of bits from those allocated
// to the GF group
int bak = cpi->per_frame_bandwidth;
int bak = cpi->rc.per_frame_bandwidth;
this_frame_copy = this_frame;
assign_std_frame_bits(cpi, &this_frame_copy);
cpi->per_frame_bandwidth = bak;
cpi->rc.per_frame_bandwidth = bak;
}
} else {
// Otherwise this is an ordinary frame
@ -2283,7 +2285,7 @@ void vp9_second_pass(VP9_COMP *cpi) {
}
// Set nominal per second bandwidth for this frame
cpi->target_bandwidth = (int)(cpi->per_frame_bandwidth
cpi->target_bandwidth = (int)(cpi->rc.per_frame_bandwidth
* cpi->output_framerate);
if (cpi->target_bandwidth < 0)
cpi->target_bandwidth = 0;
@ -2416,7 +2418,7 @@ static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
cpi->source_alt_ref_active = 0;
// Kf is always a gf so clear frames till next gf counter
cpi->frames_till_gf_update_due = 0;
cpi->rc.frames_till_gf_update_due = 0;
cpi->twopass.frames_to_key = 1;
@ -2579,7 +2581,7 @@ static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
}
// For the first few frames collect data to decide kf boost.
if (i <= (cpi->max_gf_interval * 2)) {
if (i <= (cpi->rc.max_gf_interval * 2)) {
if (next_frame.intra_error > cpi->twopass.kf_intra_err_min)
r = (IIKFACTOR2 * next_frame.intra_error /
DOUBLE_DIVIDE_CHECK(next_frame.coded_error));
@ -2637,7 +2639,7 @@ static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// Make a note of baseline boost and the zero motion
// accumulator value for use elsewhere.
cpi->kf_boost = kf_boost;
cpi->rc.kf_boost = kf_boost;
cpi->kf_zeromotion_pct = (int)(zero_motion_accumulator * 100.0);
// We do three calculations for kf size.
@ -2707,10 +2709,10 @@ static void find_next_key_frame(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
cpi->twopass.kf_group_bits -= cpi->twopass.kf_bits;
// Add in the minimum frame allowance
cpi->twopass.kf_bits += cpi->min_frame_bandwidth;
cpi->twopass.kf_bits += cpi->rc.min_frame_bandwidth;
// Peer frame bit target for this frame
cpi->per_frame_bandwidth = cpi->twopass.kf_bits;
cpi->rc.per_frame_bandwidth = cpi->twopass.kf_bits;
// Convert to a per second bitrate
cpi->target_bandwidth = (int)(cpi->twopass.kf_bits *
cpi->output_framerate);

6
vp9/encoder/vp9_mbgraph.c
View File

@ -323,8 +323,8 @@ static void separate_arf_mbs(VP9_COMP *cpi) {
1));
// We are not interested in results beyond the alt ref itself.
if (n_frames > cpi->frames_till_gf_update_due)
n_frames = cpi->frames_till_gf_update_due;
if (n_frames > cpi->rc.frames_till_gf_update_due)
n_frames = cpi->rc.frames_till_gf_update_due;
// defer cost to reference frames
for (i = n_frames - 1; i >= 0; i--) {
@ -396,7 +396,7 @@ void vp9_update_mbgraph_stats(VP9_COMP *cpi) {
// we need to look ahead beyond where the ARF transitions into
// being a GF - so exit if we don't look ahead beyond that
if (n_frames <= cpi->frames_till_gf_update_due)
if (n_frames <= cpi->rc.frames_till_gf_update_due)
return;
if (n_frames > (int)cpi->frames_till_alt_ref_frame)
n_frames = cpi->frames_till_alt_ref_frame;

924
vp9/encoder/vp9_onyx_if.c
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File diff suppressed because it is too large Load Diff

117
vp9/encoder/vp9_onyx_int.h
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@ -289,6 +289,59 @@ typedef struct {
int use_fast_coef_updates; // 0: 2-loop, 1: 1-loop, 2: 1-loop reduced
} SPEED_FEATURES;
typedef struct {
// Rate targetting variables
int this_frame_target;
int projected_frame_size;
int last_q[2]; // Separate values for Intra/Inter
int last_boosted_qindex; // Last boosted GF/KF/ARF q
int gfu_boost;
int last_boost;
int kf_boost;
double rate_correction_factor;
double key_frame_rate_correction_factor;
double gf_rate_correction_factor;
unsigned int frames_since_golden;
int frames_till_gf_update_due; // Count down till next GF
int max_gf_interval;
int baseline_gf_interval;
int64_t key_frame_count;
int prior_key_frame_distance[KEY_FRAME_CONTEXT];
int per_frame_bandwidth; // Current section per frame bandwidth target
int av_per_frame_bandwidth; // Average frame size target for clip
int min_frame_bandwidth; // Minimum allocation used for any frame
int ni_av_qi;
int ni_tot_qi;
int ni_frames;
int avg_frame_qindex;
double tot_q;
double avg_q;
int buffer_level;
int bits_off_target;
int rolling_target_bits;
int rolling_actual_bits;
int long_rolling_target_bits;
int long_rolling_actual_bits;
int64_t total_actual_bits;
int total_target_vs_actual; // debug stats
int worst_quality;
int active_worst_quality;
int best_quality;
int active_best_quality;
int active_worst_qchanged;
} RATE_CONTROL;
typedef struct VP9_COMP {
DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]);
DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]);
@ -398,71 +451,17 @@ typedef struct VP9_COMP {
CODING_CONTEXT coding_context;
// Rate targetting variables
int this_frame_target;
int projected_frame_size;
int last_q[2]; // Separate values for Intra/Inter
int last_boosted_qindex; // Last boosted GF/KF/ARF q
double rate_correction_factor;
double key_frame_rate_correction_factor;
double gf_rate_correction_factor;
unsigned int frames_since_golden;
int frames_till_gf_update_due; // Count down till next GF
int gf_overspend_bits; // cumulative bits overspent because of GF boost
int non_gf_bitrate_adjustment; // Following GF to recover extra bits spent
int kf_overspend_bits; // Bits spent on key frames to be recovered on inters
int kf_bitrate_adjustment; // number of bits to recover on each inter frame.
int max_gf_interval;
int baseline_gf_interval;
int zbin_mode_boost;
int zbin_mode_boost_enabled;
int active_arnr_frames; // <= cpi->oxcf.arnr_max_frames
int active_arnr_strength; // <= cpi->oxcf.arnr_max_strength
int64_t key_frame_count;
int prior_key_frame_distance[KEY_FRAME_CONTEXT];
int per_frame_bandwidth; // Current section per frame bandwidth target
int av_per_frame_bandwidth; // Average frame size target for clip
int min_frame_bandwidth; // Minimum allocation used for any frame
int inter_frame_target;
double output_framerate;
int64_t last_time_stamp_seen;
int64_t last_end_time_stamp_seen;
int64_t first_time_stamp_ever;
int ni_av_qi;
int ni_tot_qi;
int ni_frames;
int avg_frame_qindex;
double tot_q;
double avg_q;
int zbin_mode_boost;
int zbin_mode_boost_enabled;
int64_t total_byte_count;
int buffered_mode;
int buffer_level;
int bits_off_target;
int rolling_target_bits;
int rolling_actual_bits;
int long_rolling_target_bits;
int long_rolling_actual_bits;
int64_t total_actual_bits;
int total_target_vs_actual; // debug stats
int worst_quality;
int active_worst_quality;
int best_quality;
int active_best_quality;
RATE_CONTROL rc;
int cq_target_quality;
@ -476,9 +475,6 @@ typedef struct VP9_COMP {
vp9_coeff_probs_model frame_coef_probs[TX_SIZES][BLOCK_TYPES];
vp9_coeff_stats frame_branch_ct[TX_SIZES][BLOCK_TYPES];
int gfu_boost;
int last_boost;
int kf_boost;
int kf_zeromotion_pct;
int gf_zeromotion_pct;
@ -502,7 +498,6 @@ typedef struct VP9_COMP {
int speed;
int compressor_speed;
int auto_worst_q;
int cpu_used;
int pass;

395
vp9/encoder/vp9_ratectrl.c
View File

@ -35,6 +35,84 @@
static const unsigned int prior_key_frame_weight[KEY_FRAME_CONTEXT] =
{ 1, 2, 3, 4, 5 };
// Tables relating active max Q to active min Q
static int kf_low_motion_minq[QINDEX_RANGE];
static int kf_high_motion_minq[QINDEX_RANGE];
static int gf_low_motion_minq[QINDEX_RANGE];
static int gf_high_motion_minq[QINDEX_RANGE];
static int inter_minq[QINDEX_RANGE];
static int afq_low_motion_minq[QINDEX_RANGE];
static int afq_high_motion_minq[QINDEX_RANGE];
// Functions to compute the active minq lookup table entries based on a
// formulaic approach to facilitate easier adjustment of the Q tables.
// The formulae were derived from computing a 3rd order polynomial best
// fit to the original data (after plotting real maxq vs minq (not q index))
static int calculate_minq_index(double maxq,
double x3, double x2, double x1, double c) {
int i;
const double minqtarget = MIN(((x3 * maxq + x2) * maxq + x1) * maxq + c,
maxq);
// Special case handling to deal with the step from q2.0
// down to lossless mode represented by q 1.0.
if (minqtarget <= 2.0)
return 0;
for (i = 0; i < QINDEX_RANGE; i++) {
if (minqtarget <= vp9_convert_qindex_to_q(i))
return i;
}
return QINDEX_RANGE - 1;
}
void vp9_init_minq_luts(void) {
int i;
for (i = 0; i < QINDEX_RANGE; i++) {
const double maxq = vp9_convert_qindex_to_q(i);
kf_low_motion_minq[i] = calculate_minq_index(maxq,
0.000001,
-0.0004,
0.15,
0.0);
kf_high_motion_minq[i] = calculate_minq_index(maxq,
0.000002,
-0.0012,
0.5,
0.0);
gf_low_motion_minq[i] = calculate_minq_index(maxq,
0.0000015,
-0.0009,
0.32,
0.0);
gf_high_motion_minq[i] = calculate_minq_index(maxq,
0.0000021,
-0.00125,
0.50,
0.0);
inter_minq[i] = calculate_minq_index(maxq,
0.00000271,
-0.00113,
0.75,
0.0);
afq_low_motion_minq[i] = calculate_minq_index(maxq,
0.0000015,
-0.0009,
0.33,
0.0);
afq_high_motion_minq[i] = calculate_minq_index(maxq,
0.0000021,
-0.00125,
0.55,
0.0);
}
}
// These functions use formulaic calculations to make playing with the
// quantizer tables easier. If necessary they can be replaced by lookup
// tables if and when things settle down in the experimental bitstream
@ -118,7 +196,7 @@ void vp9_setup_key_frame(VP9_COMP *cpi) {
vp9_setup_past_independence(cm);
// interval before next GF
cpi->frames_till_gf_update_due = cpi->baseline_gf_interval;
cpi->rc.frames_till_gf_update_due = cpi->rc.baseline_gf_interval;
/* All buffers are implicitly updated on key frames. */
cpi->refresh_golden_frame = 1;
cpi->refresh_alt_ref_frame = 1;
@ -153,17 +231,17 @@ static void calc_iframe_target_size(VP9_COMP *cpi) {
vp9_clear_system_state(); // __asm emms;
// New Two pass RC
target = cpi->per_frame_bandwidth;
target = cpi->rc.per_frame_bandwidth;
if (cpi->oxcf.rc_max_intra_bitrate_pct) {
int max_rate = cpi->per_frame_bandwidth
int max_rate = cpi->rc.per_frame_bandwidth
* cpi->oxcf.rc_max_intra_bitrate_pct / 100;
if (target > max_rate)
target = max_rate;
}
cpi->this_frame_target = target;
cpi->rc.this_frame_target = target;
}
@ -174,21 +252,21 @@ static void calc_iframe_target_size(VP9_COMP *cpi) {
// so we just use the interval determined in the two pass code.
static void calc_gf_params(VP9_COMP *cpi) {
// Set the gf interval
cpi->frames_till_gf_update_due = cpi->baseline_gf_interval;
cpi->rc.frames_till_gf_update_due = cpi->rc.baseline_gf_interval;
}
static void calc_pframe_target_size(VP9_COMP *cpi) {
const int min_frame_target = MAX(cpi->min_frame_bandwidth,
cpi->av_per_frame_bandwidth >> 5);
const int min_frame_target = MAX(cpi->rc.min_frame_bandwidth,
cpi->rc.av_per_frame_bandwidth >> 5);
if (cpi->refresh_alt_ref_frame) {
// Special alt reference frame case
// Per frame bit target for the alt ref frame
cpi->per_frame_bandwidth = cpi->twopass.gf_bits;
cpi->this_frame_target = cpi->per_frame_bandwidth;
cpi->rc.per_frame_bandwidth = cpi->twopass.gf_bits;
cpi->rc.this_frame_target = cpi->rc.per_frame_bandwidth;
} else {
// Normal frames (gf,and inter)
cpi->this_frame_target = cpi->per_frame_bandwidth;
cpi->rc.this_frame_target = cpi->rc.per_frame_bandwidth;
}
// Check that the total sum of adjustments is not above the maximum allowed.
@ -197,41 +275,26 @@ static void calc_pframe_target_size(VP9_COMP *cpi) {
// not capable of recovering all the extra bits we have spent in the KF or GF,
// then the remainder will have to be recovered over a longer time span via
// other buffer / rate control mechanisms.
if (cpi->this_frame_target < min_frame_target)
cpi->this_frame_target = min_frame_target;
if (!cpi->refresh_alt_ref_frame)
// Note the baseline target data rate for this inter frame.
cpi->inter_frame_target = cpi->this_frame_target;
if (cpi->rc.this_frame_target < min_frame_target)
cpi->rc.this_frame_target = min_frame_target;
// Adjust target frame size for Golden Frames:
if (cpi->frames_till_gf_update_due == 0) {
const int q = (cpi->oxcf.fixed_q < 0) ? cpi->last_q[INTER_FRAME]
: cpi->oxcf.fixed_q;
if (cpi->rc.frames_till_gf_update_due == 0) {
cpi->refresh_golden_frame = 1;
calc_gf_params(cpi);
// If we are using alternate ref instead of gf then do not apply the boost
// It will instead be applied to the altref update
// Jims modified boost
if (!cpi->source_alt_ref_active) {
if (cpi->oxcf.fixed_q < 0) {
// The spend on the GF is defined in the two pass code
// for two pass encodes
cpi->this_frame_target = cpi->per_frame_bandwidth;
} else {
cpi->this_frame_target =
(estimate_bits_at_q(1, q, cpi->common.MBs, 1.0)
* cpi->last_boost) / 100;
}
// The spend on the GF is defined in the two pass code
// for two pass encodes
cpi->rc.this_frame_target = cpi->rc.per_frame_bandwidth;
} else {
// If there is an active ARF at this location use the minimum
// bits on this frame even if it is a constructed arf.
// The active maximum quantizer insures that an appropriate
// number of bits will be spent if needed for constructed ARFs.
cpi->this_frame_target = 0;
cpi->rc.this_frame_target = 0;
}
}
}
@ -249,12 +312,12 @@ void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var) {
vp9_clear_system_state(); // __asm emms;
if (cpi->common.frame_type == KEY_FRAME) {
rate_correction_factor = cpi->key_frame_rate_correction_factor;
rate_correction_factor = cpi->rc.key_frame_rate_correction_factor;
} else {
if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame)
rate_correction_factor = cpi->gf_rate_correction_factor;
rate_correction_factor = cpi->rc.gf_rate_correction_factor;
else
rate_correction_factor = cpi->rate_correction_factor;
rate_correction_factor = cpi->rc.rate_correction_factor;
}
// Work out how big we would have expected the frame to be at this Q given
@ -267,7 +330,7 @@ void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var) {
// Work out a size correction factor.
if (projected_size_based_on_q > 0)
correction_factor =
(100 * cpi->projected_frame_size) / projected_size_based_on_q;
(100 * cpi->rc.projected_frame_size) / projected_size_based_on_q;
// More heavily damped adjustment used if we have been oscillating either side
// of target.
@ -284,7 +347,7 @@ void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var) {
break;
}
// if ( (correction_factor > 102) && (Q < cpi->active_worst_quality) )
// if ( (correction_factor > 102) && (Q < cpi->rc.active_worst_quality) )
if (correction_factor > 102) {
// We are not already at the worst allowable quality
correction_factor =
@ -308,18 +371,18 @@ void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var) {
}
if (cpi->common.frame_type == KEY_FRAME) {
cpi->key_frame_rate_correction_factor = rate_correction_factor;
cpi->rc.key_frame_rate_correction_factor = rate_correction_factor;
} else {
if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame)
cpi->gf_rate_correction_factor = rate_correction_factor;
cpi->rc.gf_rate_correction_factor = rate_correction_factor;
else
cpi->rate_correction_factor = rate_correction_factor;
cpi->rc.rate_correction_factor = rate_correction_factor;
}
}
int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame) {
int q = cpi->active_worst_quality;
int q = cpi->rc.active_worst_quality;
int i;
int last_error = INT_MAX;
@ -329,12 +392,12 @@ int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame) {
// Select the appropriate correction factor based upon type of frame.
if (cpi->common.frame_type == KEY_FRAME) {
correction_factor = cpi->key_frame_rate_correction_factor;
correction_factor = cpi->rc.key_frame_rate_correction_factor;
} else {
if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame)
correction_factor = cpi->gf_rate_correction_factor;
correction_factor = cpi->rc.gf_rate_correction_factor;
else
correction_factor = cpi->rate_correction_factor;
correction_factor = cpi->rc.rate_correction_factor;
}
// Calculate required scaling factor based on target frame size and size of
@ -347,7 +410,7 @@ int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame) {
target_bits_per_mb =
(target_bits_per_frame << BPER_MB_NORMBITS) / cpi->common.MBs;
i = cpi->active_best_quality;
i = cpi->rc.active_best_quality;
do {
bits_per_mb_at_this_q = (int)vp9_bits_per_mb(cpi->common.frame_type, i,
@ -363,7 +426,214 @@ int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame) {
} else {
last_error = bits_per_mb_at_this_q - target_bits_per_mb;
}
} while (++i <= cpi->active_worst_quality);
} while (++i <= cpi->rc.active_worst_quality);
return q;
}
static int get_active_quality(int q,
int gfu_boost,
int low,
int high,
int *low_motion_minq,
int *high_motion_minq) {
int active_best_quality;
if (gfu_boost > high) {
active_best_quality = low_motion_minq[q];
} else if (gfu_boost < low) {
active_best_quality = high_motion_minq[q];
} else {
const int gap = high - low;
const int offset = high - gfu_boost;
const int qdiff = high_motion_minq[q] - low_motion_minq[q];
const int adjustment = ((offset * qdiff) + (gap >> 1)) / gap;
active_best_quality = low_motion_minq[q] + adjustment;
}
return active_best_quality;
}
int vp9_pick_q_and_adjust_q_bounds(VP9_COMP *cpi,
int * bottom_index, int * top_index) {
// Set an active best quality and if necessary active worst quality
int q = cpi->rc.active_worst_quality;
VP9_COMMON *const cm = &cpi->common;
if (frame_is_intra_only(cm)) {
#if !CONFIG_MULTIPLE_ARF
// Handle the special case for key frames forced when we have75 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 (cpi->this_key_frame_forced) {
int delta_qindex;
int qindex = cpi->rc.last_boosted_qindex;
double last_boosted_q = vp9_convert_qindex_to_q(qindex);
delta_qindex = vp9_compute_qdelta(cpi, last_boosted_q,
(last_boosted_q * 0.75));
cpi->rc.active_best_quality = MAX(qindex + delta_qindex,
cpi->rc.best_quality);
} else {
int high = 5000;
int low = 400;
double q_adj_factor = 1.0;
double q_val;
// Baseline value derived from cpi->active_worst_quality and kf boost
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.kf_boost,
low, high,
kf_low_motion_minq,
kf_high_motion_minq);
// Allow somewhat lower kf minq with small image formats.
if ((cm->width * cm->height) <= (352 * 288)) {
q_adj_factor -= 0.25;
}
// Make a further adjustment based on the kf zero motion measure.
q_adj_factor += 0.05 - (0.001 * (double)cpi->kf_zeromotion_pct);
// Convert the adjustment factor to a qindex delta
// on active_best_quality.
q_val = vp9_convert_qindex_to_q(cpi->rc.active_best_quality);
cpi->rc.active_best_quality +=
vp9_compute_qdelta(cpi, q_val, (q_val * q_adj_factor));
}
#else
double current_q;
// Force the KF quantizer to be 30% of the active_worst_quality.
current_q = vp9_convert_qindex_to_q(cpi->rc.active_worst_quality);
cpi->rc.active_best_quality = cpi->rc.active_worst_quality
+ vp9_compute_qdelta(cpi, current_q, current_q * 0.3);
#endif
} else if (!cpi->is_src_frame_alt_ref &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
int high = 2000;
int low = 400;
// Use the lower of cpi->rc.active_worst_quality and recent
// average Q as basis for GF/ARF best Q limit unless last frame was
// a key frame.
if (cpi->frames_since_key > 1 &&
cpi->rc.avg_frame_qindex < cpi->rc.active_worst_quality) {
q = cpi->rc.avg_frame_qindex;
}
// For constrained quality dont allow Q less than the cq level
if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) {
if (q < cpi->cq_target_quality)
q = cpi->cq_target_quality;
if (cpi->frames_since_key > 1) {
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.gfu_boost,
low, high,
afq_low_motion_minq,
afq_high_motion_minq);
} else {
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.gfu_boost,
low, high,
gf_low_motion_minq,
gf_high_motion_minq);
}
// Constrained quality use slightly lower active best.
cpi->rc.active_best_quality = cpi->rc.active_best_quality * 15 / 16;
} else if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) {
if (!cpi->refresh_alt_ref_frame) {
cpi->rc.active_best_quality = cpi->cq_target_quality;
} else {
if (cpi->frames_since_key > 1) {
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.gfu_boost,
low, high,
afq_low_motion_minq,
afq_high_motion_minq);
} else {
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.gfu_boost,
low, high,
gf_low_motion_minq,
gf_high_motion_minq);
}
}
} else {
cpi->rc.active_best_quality = get_active_quality(q, cpi->rc.gfu_boost,
low, high,
gf_low_motion_minq,
gf_high_motion_minq);
}
} else {
if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) {
cpi->rc.active_best_quality = cpi->cq_target_quality;
} else {
cpi->rc.active_best_quality = inter_minq[q];
// 1-pass: for now, use the average Q for the active_best, if its lower
// than active_worst.
if (cpi->pass == 0 && (cpi->rc.avg_frame_qindex < q))
cpi->rc.active_best_quality = inter_minq[cpi->rc.avg_frame_qindex];
// For the constrained quality mode we don't want
// q to fall below the cq level.
if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) &&
(cpi->rc.active_best_quality < cpi->cq_target_quality)) {
// If we are strongly undershooting the target rate in the last
// frames then use the user passed in cq value not the auto
// cq value.
if (cpi->rc.rolling_actual_bits < cpi->rc.min_frame_bandwidth)
cpi->rc.active_best_quality = cpi->oxcf.cq_level;
else
cpi->rc.active_best_quality = cpi->cq_target_quality;
}
}
}
// Clip the active best and worst quality values to limits
if (cpi->rc.active_worst_quality > cpi->rc.worst_quality)
cpi->rc.active_worst_quality = cpi->rc.worst_quality;
if (cpi->rc.active_best_quality < cpi->rc.best_quality)
cpi->rc.active_best_quality = cpi->rc.best_quality;
if (cpi->rc.active_best_quality > cpi->rc.worst_quality)
cpi->rc.active_best_quality = cpi->rc.worst_quality;
if (cpi->rc.active_worst_quality < cpi->rc.active_best_quality)
cpi->rc.active_worst_quality = cpi->rc.active_best_quality;
// Limit Q range for the adaptive loop.
if (cm->frame_type == KEY_FRAME && !cpi->this_key_frame_forced) {
*top_index =
(cpi->rc.active_worst_quality + cpi->rc.active_best_quality * 3) / 4;
// If this is the first (key) frame in 1-pass, active best is the user
// best-allowed, and leave the top_index to active_worst.
if (cpi->pass == 0 && cpi->common.current_video_frame == 0) {
cpi->rc.active_best_quality = cpi->oxcf.best_allowed_q;
*top_index = cpi->oxcf.worst_allowed_q;
}
} else if (!cpi->is_src_frame_alt_ref &&
(cpi->oxcf.end_usage != USAGE_STREAM_FROM_SERVER) &&
(cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) {
*top_index =
(cpi->rc.active_worst_quality + cpi->rc.active_best_quality) / 2;
} else {
*top_index = cpi->rc.active_worst_quality;
}
*bottom_index = cpi->rc.active_best_quality;
if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) {
q = cpi->rc.active_best_quality;
// Special case code to try and match quality with forced key frames
} else if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) {
q = cpi->rc.last_boosted_qindex;
} else {
// Determine initial Q to try.
if (cpi->pass == 0) {
// 1-pass: for now, use per-frame-bw for target size of frame, scaled
// by |x| for key frame.
int scale = (cm->frame_type == KEY_FRAME) ? 5 : 1;
q = vp9_regulate_q(cpi, scale * cpi->rc.av_per_frame_bandwidth);
} else {
q = vp9_regulate_q(cpi, cpi->rc.this_frame_target);
}
if (q > *top_index)
q = *top_index;
}
return q;
}
@ -378,7 +648,7 @@ static int estimate_keyframe_frequency(VP9_COMP *cpi) {
/* First key frame at start of sequence is a special case. We have no
* frequency data.
*/
if (cpi->key_frame_count == 1) {
if (cpi->rc.key_frame_count == 1) {
/* Assume a default of 1 kf every 2 seconds, or the max kf interval,
* whichever is smaller.
*/
@ -388,7 +658,7 @@ static int estimate_keyframe_frequency(VP9_COMP *cpi) {
if (cpi->oxcf.auto_key && av_key_frame_frequency > key_freq)
av_key_frame_frequency = cpi->oxcf.key_freq;
cpi->prior_key_frame_distance[KEY_FRAME_CONTEXT - 1]
cpi->rc.prior_key_frame_distance[KEY_FRAME_CONTEXT - 1]
= av_key_frame_frequency;
} else {
unsigned int total_weight = 0;
@ -400,13 +670,13 @@ static int estimate_keyframe_frequency(VP9_COMP *cpi) {
*/
for (i = 0; i < KEY_FRAME_CONTEXT; i++) {
if (i < KEY_FRAME_CONTEXT - 1)
cpi->prior_key_frame_distance[i]
= cpi->prior_key_frame_distance[i + 1];
cpi->rc.prior_key_frame_distance[i]
= cpi->rc.prior_key_frame_distance[i + 1];
else
cpi->prior_key_frame_distance[i] = last_kf_interval;
cpi->rc.prior_key_frame_distance[i] = last_kf_interval;
av_key_frame_frequency += prior_key_frame_weight[i]
* cpi->prior_key_frame_distance[i];
* cpi->rc.prior_key_frame_distance[i];
total_weight += prior_key_frame_weight[i];
}
@ -421,33 +691,32 @@ void vp9_adjust_key_frame_context(VP9_COMP *cpi) {
vp9_clear_system_state();
cpi->frames_since_key = 0;
cpi->key_frame_count++;
cpi->rc.key_frame_count++;
}
void vp9_compute_frame_size_bounds(VP9_COMP *cpi, int *frame_under_shoot_limit,
int *frame_over_shoot_limit) {
// Set-up bounds on acceptable frame size:
if (cpi->oxcf.fixed_q >= 0) {
// Fixed Q scenario: frame size never outranges target (there is no target!)
if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) {
*frame_under_shoot_limit = 0;
*frame_over_shoot_limit = INT_MAX;
} else {
if (cpi->common.frame_type == KEY_FRAME) {
*frame_over_shoot_limit = cpi->this_frame_target * 9 / 8;
*frame_under_shoot_limit = cpi->this_frame_target * 7 / 8;
*frame_over_shoot_limit = cpi->rc.this_frame_target * 9 / 8;
*frame_under_shoot_limit = cpi->rc.this_frame_target * 7 / 8;
} else {
if (cpi->refresh_alt_ref_frame || cpi->refresh_golden_frame) {
*frame_over_shoot_limit = cpi->this_frame_target * 9 / 8;
*frame_under_shoot_limit = cpi->this_frame_target * 7 / 8;
*frame_over_shoot_limit = cpi->rc.this_frame_target * 9 / 8;
*frame_under_shoot_limit = cpi->rc.this_frame_target * 7 / 8;
} else {
// Stron overshoot limit for constrained quality
if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) {
*frame_over_shoot_limit = cpi->this_frame_target * 11 / 8;
*frame_under_shoot_limit = cpi->this_frame_target * 2 / 8;
*frame_over_shoot_limit = cpi->rc.this_frame_target * 11 / 8;
*frame_under_shoot_limit = cpi->rc.this_frame_target * 2 / 8;
} else {
*frame_over_shoot_limit = cpi->this_frame_target * 11 / 8;
*frame_under_shoot_limit = cpi->this_frame_target * 5 / 8;
*frame_over_shoot_limit = cpi->rc.this_frame_target * 11 / 8;
*frame_under_shoot_limit = cpi->rc.this_frame_target * 5 / 8;
}
}
}

4
vp9/encoder/vp9_ratectrl.h
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@ -27,6 +27,8 @@ void vp9_compute_frame_size_bounds(VP9_COMP *cpi,
int *frame_under_shoot_limit,
int *frame_over_shoot_limit);
void vp9_init_minq_luts(void);
// return of 0 means drop frame
int vp9_pick_frame_size(VP9_COMP *cpi);
@ -35,5 +37,7 @@ int vp9_gfboost_qadjust(int qindex);
int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex,
double correction_factor);
void vp9_setup_inter_frame(VP9_COMP *cpi);
int vp9_pick_q_and_adjust_q_bounds(VP9_COMP *cpi,
int * bottom_index, int * top_index);
#endif // VP9_ENCODER_VP9_RATECTRL_H_

4
vp9/encoder/vp9_temporal_filter.c
View File

@ -469,7 +469,7 @@ void configure_arnr_filter(VP9_COMP *cpi, const unsigned int this_frame,
// cases where the filter extends beyond the end of clip.
// Note: this_frame->frame has been updated in the loop
// so it now points at the ARF frame.
half_gf_int = cpi->baseline_gf_interval >> 1;
half_gf_int = cpi->rc.baseline_gf_interval >> 1;
frames_after_arf = (int)(cpi->twopass.total_stats.count - this_frame - 1);
switch (cpi->oxcf.arnr_type) {
@ -507,7 +507,7 @@ void configure_arnr_filter(VP9_COMP *cpi, const unsigned int this_frame,
cpi->active_arnr_frames = frames_bwd + 1 + frames_fwd;
// Adjust the strength based on active max q
q = ((int)vp9_convert_qindex_to_q(cpi->active_worst_quality) >> 1);
q = ((int)vp9_convert_qindex_to_q(cpi->rc.active_worst_quality) >> 1);
if (q > 8) {
cpi->active_arnr_strength = cpi->oxcf.arnr_strength;
} else {