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| author | Marco Paniconi <marpan@google.com> | 2018-08-03 09:20:55 -0700 |
|---|---|---|
| committer | Marco Paniconi <marpan@google.com> | 2018-08-03 09:29:16 -0700 |
| commit | 89d23138d2a67a3e518d1026f87cdd5a9e1bee78 (patch) | |
| tree | fac012814b86e1cf78dc6f47e745f3554e1cb377 /vp9/encoder/vp9_ratectrl.c | |
| parent | 5f914dd902b8414d7d4d8c21d0be96059f2c5103 (diff) | |
| download | libvpx-89d23138d2a67a3e518d1026f87cdd5a9e1bee78.tar libvpx-89d23138d2a67a3e518d1026f87cdd5a9e1bee78.tar.gz libvpx-89d23138d2a67a3e518d1026f87cdd5a9e1bee78.tar.bz2 libvpx-89d23138d2a67a3e518d1026f87cdd5a9e1bee78.zip | |
vp9: Adjust qp_thresh on slide change overshoot detection
For real-time screen-content mode: increase the
qp_thresh for max_Q setting on slide changes.
This will make bitrate spikes less likely on slide changes.
Change-Id: Ie13524a06490214456b1c9c042a864ea0d0750c5
Diffstat (limited to 'vp9/encoder/vp9_ratectrl.c')
| -rw-r--r-- | vp9/encoder/vp9_ratectrl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/vp9/encoder/vp9_ratectrl.c b/vp9/encoder/vp9_ratectrl.c index 47669a049..1ec696517 100644 --- a/vp9/encoder/vp9_ratectrl.c +++ b/vp9/encoder/vp9_ratectrl.c @@ -2820,7 +2820,7 @@ int vp9_encodedframe_overshoot(VP9_COMP *cpi, int frame_size, int *q) { // If this decision is not based on an encoded frame size but just on // scene/slide change detection (i.e., re_encode_overshoot_rt = 0), adjust the // qp_thresh and skip the (frame_size > thresh_rate) condition in this case. - if (!sf->re_encode_overshoot_rt) thresh_qp = rc->worst_quality >> 1; + if (!sf->re_encode_overshoot_rt) thresh_qp = 3 * (rc->worst_quality >> 2); if ((!sf->re_encode_overshoot_rt || frame_size > thresh_rate) && cm->base_qindex < thresh_qp) { double rate_correction_factor = |