Merge "Remove brightness weighting in two pass."
This commit is contained in:
Paul Wilkins
Gerrit Code Review
Коммит
8df1b869a2
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@ -169,7 +169,6 @@ static void zero_stats(FIRSTPASS_STATS *section) {
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section->intra_error = 0.0;
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section->coded_error = 0.0;
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section->sr_coded_error = 0.0;
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section->ssim_weighted_pred_err = 0.0;
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section->pcnt_inter = 0.0;
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section->pcnt_motion = 0.0;
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section->pcnt_second_ref = 0.0;
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@ -194,7 +193,6 @@ static void accumulate_stats(FIRSTPASS_STATS *section,
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section->intra_error += frame->intra_error;
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section->coded_error += frame->coded_error;
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section->sr_coded_error += frame->sr_coded_error;
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section->ssim_weighted_pred_err += frame->ssim_weighted_pred_err;
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section->pcnt_inter += frame->pcnt_inter;
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section->pcnt_motion += frame->pcnt_motion;
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section->pcnt_second_ref += frame->pcnt_second_ref;
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@ -217,7 +215,6 @@ static void subtract_stats(FIRSTPASS_STATS *section,
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section->intra_error -= frame->intra_error;
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section->coded_error -= frame->coded_error;
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section->sr_coded_error -= frame->sr_coded_error;
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section->ssim_weighted_pred_err -= frame->ssim_weighted_pred_err;
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section->pcnt_inter -= frame->pcnt_inter;
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section->pcnt_motion -= frame->pcnt_motion;
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section->pcnt_second_ref -= frame->pcnt_second_ref;
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@ -241,7 +238,6 @@ static void avg_stats(FIRSTPASS_STATS *section) {
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section->intra_error /= section->count;
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section->coded_error /= section->count;
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section->sr_coded_error /= section->count;
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section->ssim_weighted_pred_err /= section->count;
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section->pcnt_inter /= section->count;
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section->pcnt_second_ref /= section->count;
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section->pcnt_neutral /= section->count;
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@ -262,71 +258,14 @@ static double calculate_modified_err(const TWO_PASS *twopass,
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const VP9EncoderConfig *oxcf,
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const FIRSTPASS_STATS *this_frame) {
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const FIRSTPASS_STATS *const stats = &twopass->total_stats;
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const double av_err = stats->ssim_weighted_pred_err / stats->count;
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const double av_err = stats->coded_error / stats->count;
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const double modified_error = av_err *
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pow(this_frame->ssim_weighted_pred_err / DOUBLE_DIVIDE_CHECK(av_err),
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pow(this_frame->coded_error / DOUBLE_DIVIDE_CHECK(av_err),
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oxcf->two_pass_vbrbias / 100.0);
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return fclamp(modified_error,
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twopass->modified_error_min, twopass->modified_error_max);
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}
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static const double weight_table[256] = {
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0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000,
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0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000,
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0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000,
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0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.020000,
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0.020000, 0.020000, 0.020000, 0.020000, 0.020000, 0.031250, 0.062500,
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0.093750, 0.125000, 0.156250, 0.187500, 0.218750, 0.250000, 0.281250,
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0.312500, 0.343750, 0.375000, 0.406250, 0.437500, 0.468750, 0.500000,
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0.531250, 0.562500, 0.593750, 0.625000, 0.656250, 0.687500, 0.718750,
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0.750000, 0.781250, 0.812500, 0.843750, 0.875000, 0.906250, 0.937500,
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0.968750, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000, 1.000000,
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1.000000, 1.000000, 1.000000, 1.000000
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};
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static double simple_weight(const YV12_BUFFER_CONFIG *buf) {
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int i, j;
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double sum = 0.0;
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const int w = buf->y_crop_width;
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const int h = buf->y_crop_height;
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const uint8_t *row = buf->y_buffer;
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for (i = 0; i < h; ++i) {
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const uint8_t *pixel = row;
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for (j = 0; j < w; ++j)
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sum += weight_table[*pixel++];
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row += buf->y_stride;
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}
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return MAX(0.1, sum / (w * h));
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}
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// This function returns the maximum target rate per frame.
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static int frame_max_bits(const RATE_CONTROL *rc,
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const VP9EncoderConfig *oxcf) {
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@ -796,7 +735,6 @@ void vp9_first_pass(VP9_COMP *cpi) {
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fps.intra_error = (double)(intra_error >> 8);
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fps.coded_error = (double)(coded_error >> 8);
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fps.sr_coded_error = (double)(sr_coded_error >> 8);
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fps.ssim_weighted_pred_err = fps.coded_error * simple_weight(cpi->Source);
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fps.count = 1.0;
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fps.pcnt_inter = (double)intercount / cm->MBs;
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fps.pcnt_second_ref = (double)second_ref_count / cm->MBs;
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@ -1002,8 +940,8 @@ void vp9_init_second_pass(VP9_COMP *cpi) {
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// Scan the first pass file and calculate a modified total error based upon
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// the bias/power function used to allocate bits.
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{
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const double avg_error = stats->ssim_weighted_pred_err /
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DOUBLE_DIVIDE_CHECK(stats->count);
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const double avg_error = stats->coded_error /
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DOUBLE_DIVIDE_CHECK(stats->count);
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const FIRSTPASS_STATS *s = twopass->stats_in;
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double modified_error_total = 0.0;
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twopass->modified_error_min = (avg_error *
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@ -1523,6 +1461,7 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
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FIRSTPASS_STATS next_frame;
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const FIRSTPASS_STATS *const start_pos = twopass->stats_in;
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int i;
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double boost_score = 0.0;
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double old_boost_score = 0.0;
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double gf_group_err = 0.0;
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