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Update aom to commit id f5bdeac22930ff4c6b219be49c843db35970b918

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trav90 2018-10-18 06:04:57 -05:00 • committed by Roy Tam
commit 2ab8fcbfd1
370 changed files with 56185 additions and 32026 deletions
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134
third_party/aom/av1/encoder/firstpass.c vendored
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@ -456,6 +456,31 @@ static void set_first_pass_params(AV1_COMP *cpi) {
cpi->rc.frames_to_key = INT_MAX;
}
#if CONFIG_FLEX_REFS
static double raw_motion_error_stdev(int *raw_motion_err_list,
int raw_motion_err_counts) {
int64_t sum_raw_err = 0;
double raw_err_avg = 0;
double raw_err_stdev = 0;
if (raw_motion_err_counts == 0) return 0;
int i;
for (i = 0; i < raw_motion_err_counts; i++) {
sum_raw_err += raw_motion_err_list[i];
}
raw_err_avg = sum_raw_err / raw_motion_err_counts;
for (i = 0; i < raw_motion_err_counts; i++) {
raw_err_stdev += (raw_motion_err_list[i] - raw_err_avg) *
(raw_motion_err_list[i] - raw_err_avg);
}
// Calculate the standard deviation for the motion error of all the inter
// blocks of the 0,0 motion using the last source
// frame as the reference.
raw_err_stdev = sqrt(raw_err_stdev / raw_motion_err_counts);
return raw_err_stdev;
}
#endif // CONFIG_FLEX_REFS
#define UL_INTRA_THRESH 50
#define INVALID_ROW -1
void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
@ -506,6 +531,13 @@ void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
od_adapt_ctx pvq_context;
#endif
#if CONFIG_FLEX_REFS
int *raw_motion_err_list;
int raw_motion_err_counts = 0;
CHECK_MEM_ERROR(
cm, raw_motion_err_list,
aom_calloc(cm->mb_rows * cm->mb_cols, sizeof(*raw_motion_err_list)));
#endif // CONFIG_FLEX_REFS
// First pass code requires valid last and new frame buffers.
assert(new_yv12 != NULL);
assert(frame_is_intra_only(cm) || (lst_yv12 != NULL));
@ -968,6 +1000,9 @@ void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
}
}
}
#if CONFIG_FLEX_REFS
raw_motion_err_list[raw_motion_err_counts++] = raw_motion_error;
#endif // CONFIG_FLEX_REFS
} else {
sr_coded_error += (int64_t)this_error;
}
@ -981,7 +1016,6 @@ void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
recon_yoffset += 16;
recon_uvoffset += uv_mb_height;
}
// Adjust to the next row of MBs.
x->plane[0].src.buf += 16 * x->plane[0].src.stride - 16 * cm->mb_cols;
x->plane[1].src.buf +=
@ -991,7 +1025,10 @@ void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
aom_clear_system_state();
}
#if CONFIG_FLEX_REFS
const double raw_err_stdev =
raw_motion_error_stdev(raw_motion_err_list, raw_motion_err_counts);
#endif // CONFIG_FLEX_REFS
#if CONFIG_PVQ
#if !CONFIG_ANS
od_ec_enc_clear(&x->daala_enc.w.ec);
@ -1045,6 +1082,9 @@ void av1_first_pass(AV1_COMP *cpi, const struct lookahead_entry *source) {
fps.intra_skip_pct = (double)intra_skip_count / num_mbs;
fps.inactive_zone_rows = (double)image_data_start_row;
fps.inactive_zone_cols = (double)0; // TODO(paulwilkins): fix
#if CONFIG_FLEX_REFS
fps.raw_error_stdev = raw_err_stdev;
#endif // CONFIG_FLEX_REFS
if (mvcount > 0) {
fps.MVr = (double)sum_mvr / mvcount;
@ -1231,27 +1271,6 @@ static void setup_rf_level_maxq(AV1_COMP *cpi) {
}
}
void av1_calculate_next_scaled_size(const AV1_COMP *cpi,
int *scaled_frame_width,
int *scaled_frame_height) {
*scaled_frame_width =
cpi->oxcf.width * cpi->resize_next_scale_num / cpi->resize_next_scale_den;
*scaled_frame_height = cpi->oxcf.height * cpi->resize_next_scale_num /
cpi->resize_next_scale_den;
}
#if CONFIG_FRAME_SUPERRES
void av1_calculate_superres_size(const AV1_COMP *cpi, int *encoded_width,
int *encoded_height) {
*encoded_width = cpi->oxcf.scaled_frame_width *
cpi->common.superres_scale_numerator /
SUPERRES_SCALE_DENOMINATOR;
*encoded_height = cpi->oxcf.scaled_frame_height *
cpi->common.superres_scale_numerator /
SUPERRES_SCALE_DENOMINATOR;
}
#endif // CONFIG_FRAME_SUPERRES
void av1_init_second_pass(AV1_COMP *cpi) {
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
TWO_PASS *const twopass = &cpi->twopass;
@ -1673,6 +1692,9 @@ static void allocate_gf_group_bits(AV1_COMP *cpi, int64_t gf_group_bits,
// (3) The bi-predictive group interval is strictly smaller than the
// golden group interval.
const int is_bipred_enabled =
#if CONFIG_FLEX_REFS
cpi->bwd_ref_allowed &&
#endif
rc->source_alt_ref_pending && rc->bipred_group_interval &&
rc->bipred_group_interval <=
(rc->baseline_gf_interval - rc->source_alt_ref_pending);
@ -2046,6 +2068,11 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
const int is_key_frame = frame_is_intra_only(cm);
const int arf_active_or_kf = is_key_frame || rc->source_alt_ref_active;
#if CONFIG_FLEX_REFS
cpi->extra_arf_allowed = 1;
cpi->bwd_ref_allowed = 1;
#endif
// Reset the GF group data structures unless this is a key
// frame in which case it will already have been done.
if (is_key_frame == 0) {
@ -2106,6 +2133,12 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
}
}
#if CONFIG_FLEX_REFS
double avg_sr_coded_error = 0;
double avg_raw_err_stdev = 0;
int non_zero_stdev_count = 0;
#endif // CONFIG_FLEX_REFS
i = 0;
while (i < rc->static_scene_max_gf_interval && i < rc->frames_to_key) {
++i;
@ -2129,6 +2162,14 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
accumulate_frame_motion_stats(
&next_frame, &this_frame_mv_in_out, &mv_in_out_accumulator,
&abs_mv_in_out_accumulator, &mv_ratio_accumulator);
#if CONFIG_FLEX_REFS
// sum up the metric values of current gf group
avg_sr_coded_error += next_frame.sr_coded_error;
if (next_frame.raw_error_stdev) {
non_zero_stdev_count++;
avg_raw_err_stdev += next_frame.raw_error_stdev;
}
#endif // CONFIG_FLEX_REFS
// Accumulate the effect of prediction quality decay.
if (!flash_detected) {
@ -2175,7 +2216,6 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
*this_frame = next_frame;
old_boost_score = boost_score;
}
twopass->gf_zeromotion_pct = (int)(zero_motion_accumulator * 1000.0);
// Was the group length constrained by the requirement for a new KF?
@ -2202,11 +2242,35 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// Set the interval until the next gf.
rc->baseline_gf_interval = i - (is_key_frame || rc->source_alt_ref_pending);
#if CONFIG_EXT_REFS
// Compute how many extra alt_refs we can have
cpi->num_extra_arfs = get_number_of_extra_arfs(rc->baseline_gf_interval,
rc->source_alt_ref_pending);
#if CONFIG_FLEX_REFS
const int num_mbs = (cpi->oxcf.resize_mode != RESIZE_NONE) ? cpi->initial_mbs
: cpi->common.MBs;
if (i) avg_sr_coded_error /= i;
if (non_zero_stdev_count) avg_raw_err_stdev /= non_zero_stdev_count;
// Disable extra alter refs and backward ref for "still" gf group
// zero_motion_accumulator indicates the minimum percentage of (0, 0) motion
// in gf group
// avg_sr_coded_error indicates the average of the sse per pixel of each frame
// in gf group
// avg_raw_err_stdev indicates the average of the standard deviation of (0, 0)
// motion error per block of each frame in gf group
assert(num_mbs > 0);
const int disable_bwd_extarf =
(zero_motion_accumulator > MIN_ZERO_MOTION &&
avg_sr_coded_error / num_mbs < MAX_SR_CODED_ERROR &&
avg_raw_err_stdev < MAX_RAW_ERR_VAR);
if (disable_bwd_extarf) cpi->extra_arf_allowed = cpi->bwd_ref_allowed = 0;
if (!cpi->extra_arf_allowed)
cpi->num_extra_arfs = 0;
else
#endif // CONFIG_FLEX_REFS
// Compute how many extra alt_refs we can have
cpi->num_extra_arfs = get_number_of_extra_arfs(rc->baseline_gf_interval,
rc->source_alt_ref_pending);
// Currently at maximum two extra ARFs' are allowed
assert(cpi->num_extra_arfs <= MAX_EXT_ARFS);
#endif // CONFIG_EXT_REFS
@ -2291,12 +2355,6 @@ static void define_gf_group(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
twopass->section_intra_rating = calculate_section_intra_ratio(
start_pos, twopass->stats_in_end, rc->baseline_gf_interval);
}
if (oxcf->resize_mode == RESIZE_DYNAMIC) {
// Default to starting GF groups at normal frame size.
// TODO(afergs): Make a function for this
cpi->resize_next_scale_num = cpi->resize_next_scale_den;
}
}
// Threshold for use of the lagging second reference frame. High second ref
@ -2638,12 +2696,6 @@ static void find_next_key_frame(AV1_COMP *cpi, FIRSTPASS_STATS *this_frame) {
// The count of bits left is adjusted elsewhere based on real coded frame
// sizes.
twopass->modified_error_left -= kf_group_err;
if (oxcf->resize_mode == RESIZE_DYNAMIC) {
// Default to normal-sized frame on keyframes.
// TODO(afergs): Make a function for this
cpi->resize_next_scale_num = cpi->resize_next_scale_den;
}
}
// Define the reference buffers that will be updated post encode.
@ -2741,7 +2793,7 @@ static void configure_buffer_updates(AV1_COMP *cpi) {
break;
case LAST_BIPRED_UPDATE:
cpi->refresh_last_frame = 0;
cpi->refresh_last_frame = 1;
cpi->refresh_golden_frame = 0;
cpi->refresh_bwd_ref_frame = 0;
cpi->refresh_alt_ref_frame = 0;