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vp9: Turn on the partition copy for speed 8. Tune threshold.

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For speed 8, it speeds up the encoding on android by 6% for QVGA and
7.4% for VGA with the new threshold. Overall PSNR is improved by 0.667
for rtc.

Change-Id: I4a644560b32c0b5b4e9f49ffb953d000413a3732
This commit is contained in:
Jerome Jiang 2017-01-10 12:43:22 -08:00
parent 91fc730d83
commit f129e09529
2 changed files with 11 additions and 3 deletions
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8
vp9/encoder/vp9_encodeframe.c
View File

@ -516,6 +516,7 @@ void vp9_set_variance_partition_thresholds(VP9_COMP *cpi, int q) {
// The thresholds below are not changed locally.
if (is_key_frame) {
cpi->vbp_threshold_sad = 0;
cpi->vbp_threshold_copy = 0;
cpi->vbp_bsize_min = BLOCK_8X8;
} else {
if (cm->width <= 352 && cm->height <= 288)
@ -525,8 +526,13 @@ void vp9_set_variance_partition_thresholds(VP9_COMP *cpi, int q) {
? (cpi->y_dequant[q][1] << 1)
: 1000;
cpi->vbp_bsize_min = BLOCK_16X16;
if (cm->width <= 352 && cm->height <= 288)
cpi->vbp_threshold_copy = 40960;
else
cpi->vbp_threshold_copy = (cpi->y_dequant[q][1] << 6) > 32000
? (cpi->y_dequant[q][1] << 6)
: 32000;
}
cpi->vbp_threshold_copy = cpi->vbp_thresholds[0] << 16;
cpi->vbp_threshold_minmax = 15 + (q >> 3);
}
}

6
vp9/encoder/vp9_speed_features.c
View File

@ -497,8 +497,10 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf, int speed,
if (speed >= 8) {
sf->adaptive_rd_thresh = 4;
// Disabled for now until the threshold is tuned.
sf->copy_partition_flag = 0;
// Enable partition copy
if (!cpi->use_svc && !cpi->resize_pending && !cpi->resize_state &&
!cpi->external_resize)
sf->copy_partition_flag = 1;
if (sf->copy_partition_flag) {
if (cpi->prev_partition == NULL) {
cpi->prev_partition = (BLOCK_SIZE *)vpx_calloc(