Commit a673b4f4 authored by Marco's avatar Marco

Adjust to scene detection for 1 pass vbr.

Expose the threshold for setting key frame on cut,
and increase it for speed 5.
Also small adjustment to min_thresh.

No change in overall metrics or fps.
Small quality improvement and lower encode time on scene cuts.

Change-Id: I36e06ff3b26b6c29aede39c23fce454525fc9026
parent 72c69e14
......@@ -2280,8 +2280,10 @@ void vp9_scene_detection_onepass(VP9_COMP *cpi) {
uint64_t avg_sad_current = 0;
uint32_t min_thresh = 4000;
float thresh = 8.0f;
uint32_t thresh_key = 140000;
if (cpi->oxcf.speed <= 5) thresh_key = 240000;
if (cpi->oxcf.rc_mode == VPX_VBR) {
min_thresh = 70000;
min_thresh = 65000;
thresh = 2.1f;
}
if (cpi->oxcf.lag_in_frames > 0) {
......@@ -2307,7 +2309,7 @@ void vp9_scene_detection_onepass(VP9_COMP *cpi) {
rc->high_source_sad = 1;
else
rc->high_source_sad = 0;
if (rc->high_source_sad && avg_sad_current > min_thresh << 1)
if (rc->high_source_sad && avg_sad_current > thresh_key)
scene_cut_force_key_frame = 1;
// Update recursive average for current frame.
if (avg_sad_current > 0)
......@@ -2369,7 +2371,7 @@ void vp9_scene_detection_onepass(VP9_COMP *cpi) {
rc->high_source_sad = 1;
else
rc->high_source_sad = 0;
if (rc->high_source_sad && avg_sad > min_thresh << 1)
if (rc->high_source_sad && avg_sad > thresh_key)
scene_cut_force_key_frame = 1;
if (avg_sad > 0 || cpi->oxcf.rc_mode == VPX_CBR)
rc->avg_source_sad[0] = (3 * rc->avg_source_sad[0] + avg_sad) >> 2;
......@@ -2402,8 +2404,7 @@ void vp9_scene_detection_onepass(VP9_COMP *cpi) {
cpi->ext_refresh_frame_flags_pending == 0) {
int target;
cpi->refresh_golden_frame = 1;
if (cpi->oxcf.speed >= 6 && scene_cut_force_key_frame)
cm->frame_type = KEY_FRAME;
if (scene_cut_force_key_frame) cm->frame_type = KEY_FRAME;
rc->source_alt_ref_pending = 0;
if (cpi->sf.use_altref_onepass && cpi->oxcf.enable_auto_arf)
rc->source_alt_ref_pending = 1;
......
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