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vp9: Compute source sad for every superblock when partition copy is on.

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The source sad could be used to copy the partition without going into
choose_partitioning function to speed up vp9 encoding. Computing source
sad takes little time. Speed test on Android and Linux shows little
encoding time gain (less than 1.4%).

Turned off for now since partition copy is turned off.

Change-Id: I61c9d5b8f22329760cb29a4ee30a7f9c232ce8d3
This commit is contained in:
Jerome Jiang 2017-01-04 16:19:42 -08:00
parent 72746c079d
commit afc8c4836f
2 changed files with 7 additions and 5 deletions
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2
vp9/encoder/vp9_encoder.c
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@ -3133,7 +3133,7 @@ static void encode_without_recode_loop(VP9_COMP *cpi, size_t *size,
if (cpi->oxcf.pass == 0 && cpi->oxcf.mode == REALTIME &&
cpi->oxcf.speed >= 5 && cpi->resize_state == 0 &&
(cpi->oxcf.content == VP9E_CONTENT_SCREEN ||
cpi->oxcf.rc_mode == VPX_VBR) &&
cpi->oxcf.rc_mode == VPX_VBR || cpi->sf.copy_partition_flag) &&
cm->show_frame)
vp9_avg_source_sad(cpi);

6
vp9/encoder/vp9_ratectrl.c
View File

@ -2251,10 +2251,12 @@ void vp9_avg_source_sad(VP9_COMP *cpi) {
for (sbi_row = 0; sbi_row < sb_rows; ++sbi_row) {
for (sbi_col = 0; sbi_col < sb_cols; ++sbi_col) {
// Checker-board pattern, ignore boundary.
if ((sbi_row > 0 && sbi_col > 0) &&
// If the partition copy is on, compute for every superblock.
if (cpi->sf.copy_partition_flag ||
((sbi_row > 0 && sbi_col > 0) &&
(sbi_row < sb_rows - 1 && sbi_col < sb_cols - 1) &&
((sbi_row % 2 == 0 && sbi_col % 2 == 0) ||
(sbi_row % 2 != 0 && sbi_col % 2 != 0))) {
(sbi_row % 2 != 0 && sbi_col % 2 != 0)))) {
num_samples++;
avg_sad += cpi->fn_ptr[bsize].sdf(src_y, src_ystride, last_src_y,
last_src_ystride);