Merge "calculate_modified_err() cleanup."

This commit is contained in:
Dmitry Kovalev 2014-01-15 12:56:32 -08:00 коммит произвёл Gerrit Code Review
Родитель 2123c5d65c efdbd29928
Коммит d39485a776
1 изменённых файлов: 7 добавлений и 15 удалений

Просмотреть файл

@ -49,9 +49,6 @@
#define DOUBLE_DIVIDE_CHECK(x) ((x) < 0 ? (x) - 0.000001 : (x) + 0.000001)
#define POW1 (double)cpi->oxcf.two_pass_vbrbias/100.0
#define POW2 (double)cpi->oxcf.two_pass_vbrbias/100.0
static void swap_yv12(YV12_BUFFER_CONFIG *a, YV12_BUFFER_CONFIG *b) {
YV12_BUFFER_CONFIG temp = *a;
*a = *b;
@ -269,20 +266,15 @@ static void avg_stats(FIRSTPASS_STATS *section) {
// harder frames.
static double calculate_modified_err(VP9_COMP *cpi,
FIRSTPASS_STATS *this_frame) {
const FIRSTPASS_STATS *const stats = &cpi->twopass.total_stats;
struct twopass_rc *const twopass = &cpi->twopass;
const FIRSTPASS_STATS *const stats = &twopass->total_stats;
const double av_err = stats->ssim_weighted_pred_err / stats->count;
const double this_err = this_frame->ssim_weighted_pred_err;
double modified_error;
double modified_error = av_err * pow(this_frame->ssim_weighted_pred_err /
DOUBLE_DIVIDE_CHECK(av_err),
cpi->oxcf.two_pass_vbrbias / 100.0);
modified_error = av_err * pow(this_err / DOUBLE_DIVIDE_CHECK(av_err),
this_err > av_err ? POW1 : POW2);
if (modified_error < cpi->twopass.modified_error_min)
modified_error = cpi->twopass.modified_error_min;
else if (modified_error > cpi->twopass.modified_error_max)
modified_error = cpi->twopass.modified_error_max;
return modified_error;
return fclamp(modified_error,
twopass->modified_error_min, twopass->modified_error_max);
}
static const double weight_table[256] = {