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Speed setting correction to max q estimate.

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Use a crude correction factor to correct for
lower compression efficiency at higher encode
speeds when estimating the max Q for the
clip.

Change-Id: I5ae377647f4adf5e91d700a8791fb3b8f70efc73
This commit is contained in:
Paul Wilkins
2014-03-28 16:56:14 +00:00
parent e1574b94e6
commit 992c41d2fd
2 changed files with 4 additions and 3 deletions
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2
vp9/encoder/vp9_ratectrl.c
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@@ -1010,7 +1010,7 @@ void vp9_rc_compute_frame_size_bounds(const VP9_COMP *cpi,
*frame_over_shoot_limit = this_frame_target * 9 / 8;
*frame_under_shoot_limit = this_frame_target * 7 / 8;
} else {
// Stron overshoot limit for constrained quality
// Strong overshoot limit for constrained quality
if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) {
*frame_over_shoot_limit = this_frame_target * 11 / 8;
*frame_under_shoot_limit = this_frame_target * 2 / 8;