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Merge "Add intra complexity and brightness weight to first pass."

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This commit is contained in:
Paul Wilkins 2014-11-07 09:22:12 -08:00 committed by Gerrit Code Review
commit 08d86bc904
2 changed files with 46 additions and 10 deletions
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55
vp9/encoder/vp9_firstpass.c
View File

@ -53,6 +53,7 @@
#define MIN_KF_BOOST 300
#define NEW_MV_MODE_PENALTY 32
#define SVC_FACTOR_PT_LOW 0.45
#define DARK_THRESH 64
#define DOUBLE_DIVIDE_CHECK(x) ((x) < 0 ? (x) - 0.000001 : (x) + 0.000001)
@ -106,10 +107,11 @@ static void output_stats(FIRSTPASS_STATS *stats,
FILE *fpfile;
fpfile = fopen("firstpass.stt", "a");
fprintf(fpfile, "%12.0f %12.0f %12.0f %12.0f %12.4f %12.4f"
fprintf(fpfile, "%12.0f %12.4f %12.0f %12.0f %12.0f %12.4f %12.4f"
"%12.4f %12.4f %12.4f %12.4f %12.4f %12.4f %12.4f"
"%12.0f %12.0f %12.4f %12.0f %12.0f %12.4f\n",
stats->frame,
stats->weight,
stats->intra_error,
stats->coded_error,
stats->sr_coded_error,
@ -144,7 +146,8 @@ static void output_fpmb_stats(uint8_t *this_frame_mb_stats, VP9_COMMON *cm,
#endif
static void zero_stats(FIRSTPASS_STATS *section) {
section->frame = 0.0;
section->frame = 0.0;
section->weight = 0.0;
section->intra_error = 0.0;
section->coded_error = 0.0;
section->sr_coded_error = 0.0;
@ -168,6 +171,7 @@ static void zero_stats(FIRSTPASS_STATS *section) {
static void accumulate_stats(FIRSTPASS_STATS *section,
const FIRSTPASS_STATS *frame) {
section->frame += frame->frame;
section->weight += frame->weight;
section->spatial_layer_id = frame->spatial_layer_id;
section->intra_error += frame->intra_error;
section->coded_error += frame->coded_error;
@ -191,6 +195,7 @@ static void accumulate_stats(FIRSTPASS_STATS *section,
static void subtract_stats(FIRSTPASS_STATS *section,
const FIRSTPASS_STATS *frame) {
section->frame -= frame->frame;
section->weight -= frame->weight;
section->intra_error -= frame->intra_error;
section->coded_error -= frame->coded_error;
section->sr_coded_error -= frame->sr_coded_error;
@ -217,10 +222,11 @@ static double calculate_modified_err(const TWO_PASS *twopass,
const VP9EncoderConfig *oxcf,
const FIRSTPASS_STATS *this_frame) {
const FIRSTPASS_STATS *const stats = &twopass->total_stats;
const double av_err = stats->coded_error / stats->count;
const double modified_error = av_err *
pow(this_frame->coded_error / DOUBLE_DIVIDE_CHECK(av_err),
oxcf->two_pass_vbrbias / 100.0);
const double av_weight = stats->weight / stats->count;
const double av_err = (stats->coded_error * av_weight) / stats->count;
const double modified_error =
av_err * pow(this_frame->coded_error * this_frame->weight /
DOUBLE_DIVIDE_CHECK(av_err), oxcf->two_pass_vbrbias / 100.0);
return fclamp(modified_error,
twopass->modified_error_min, twopass->modified_error_max);
}
@ -480,6 +486,8 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
const YV12_BUFFER_CONFIG *first_ref_buf = lst_yv12;
LAYER_CONTEXT *const lc = is_two_pass_svc(cpi) ?
&cpi->svc.layer_context[cpi->svc.spatial_layer_id] : NULL;
double intra_factor = 0.0;
double brightness_factor = 0.0;
#if CONFIG_FP_MB_STATS
if (cpi->use_fp_mb_stats) {
@ -587,6 +595,9 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
const int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
double error_weight = 1.0;
const BLOCK_SIZE bsize = get_bsize(cm, mb_row, mb_col);
double log_intra;
int level_sample;
#if CONFIG_FP_MB_STATS
const int mb_index = mb_row * cm->mb_cols + mb_col;
#endif
@ -635,6 +646,25 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
}
#endif // CONFIG_VP9_HIGHBITDEPTH
log_intra = log(this_error + 1.0);
if (log_intra < 10.0)
intra_factor += 1.0 + ((10.0 - log_intra) * 0.05);
else
intra_factor += 1.0;
#if CONFIG_VP9_HIGHBITDEPTH
if (cm->use_highbitdepth)
level_sample = CONVERT_TO_SHORTPTR(x->plane[0].src.buf)[0];
else
level_sample = x->plane[0].src.buf[0];
#else
level_sample = x->plane[0].src.buf[0];
#endif
if ((level_sample < DARK_THRESH) && (log_intra < 9.0))
brightness_factor += 1.0 + (0.01 * (DARK_THRESH - level_sample));
else
brightness_factor += 1.0;
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_clear_system_state();
this_error = (int)(this_error * error_weight);
@ -943,6 +973,10 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
cpi->oxcf.allow_spatial_resampling ? cpi->initial_mbs : cpi->common.MBs;
const double min_err = 200 * sqrt(num_mbs);
intra_factor = intra_factor / (double)num_mbs;
brightness_factor = brightness_factor / (double)num_mbs;
fps.weight = intra_factor * brightness_factor;
fps.frame = cm->current_video_frame;
fps.spatial_layer_id = cpi->svc.spatial_layer_id;
fps.coded_error = (double)(coded_error >> 8) + min_err;
@ -1094,7 +1128,8 @@ static int get_twopass_worst_quality(const VP9_COMP *cpi,
// content at the given rate.
for (q = rc->best_quality; q < rc->worst_quality; ++q) {
const double factor =
calc_correction_factor(err_per_mb, ERR_DIVISOR - ediv_size_correction,
calc_correction_factor(err_per_mb,
ERR_DIVISOR - ediv_size_correction,
is_svc_upper_layer ? SVC_FACTOR_PT_LOW :
FACTOR_PT_LOW, FACTOR_PT_HIGH, q,
cpi->common.bit_depth);
@ -1319,14 +1354,14 @@ static double calc_frame_boost(VP9_COMP *cpi,
const double lq =
vp9_convert_qindex_to_q(cpi->rc.avg_frame_qindex[INTER_FRAME],
cpi->common.bit_depth);
const double boost_correction = MIN((0.5 + (lq * 0.015)), 1.5);
const double boost_q_correction = MIN((0.5 + (lq * 0.015)), 1.5);
const int num_mbs =
cpi->oxcf.allow_spatial_resampling ? cpi->initial_mbs : cpi->common.MBs;
// Underlying boost factor is based on inter error ratio.
frame_boost = (BASELINE_ERR_PER_MB * num_mbs) /
DOUBLE_DIVIDE_CHECK(this_frame->coded_error);
frame_boost = frame_boost * BOOST_FACTOR * boost_correction;
frame_boost = frame_boost * BOOST_FACTOR * boost_q_correction;
// Increase boost for frames where new data coming into frame (e.g. zoom out).
// Slightly reduce boost if there is a net balance of motion out of the frame
@ -1337,7 +1372,7 @@ static double calc_frame_boost(VP9_COMP *cpi,
else
frame_boost += frame_boost * (this_frame_mv_in_out / 2.0);
return MIN(frame_boost, max_boost * boost_correction);
return MIN(frame_boost, max_boost * boost_q_correction);
}
static int calc_arf_boost(VP9_COMP *cpi, int offset,

1
vp9/encoder/vp9_firstpass.h
View File

@ -43,6 +43,7 @@ typedef struct {
typedef struct {
double frame;
double weight;
double intra_error;
double coded_error;
double sr_coded_error;