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author | Marco <marpan@google.com> | 2016-01-27 12:01:58 -0800 |
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committer | Marco <marpan@google.com> | 2016-01-27 12:07:49 -0800 |
commit | fab630fac9255e80e79597c174b377a407f1f808 (patch) | |
tree | 091815e18bc8b2420222c817e2134c22489798b4 /vp9/encoder/vp9_aq_cyclicrefresh.c | |
parent | d6996849f0c65b97c40318647c3e7dc2db332861 (diff) | |
download | libvpx-fab630fac9255e80e79597c174b377a407f1f808.tar libvpx-fab630fac9255e80e79597c174b377a407f1f808.tar.gz libvpx-fab630fac9255e80e79597c174b377a407f1f808.tar.bz2 libvpx-fab630fac9255e80e79597c174b377a407f1f808.zip |
vp9-aqmode=3: Limit on period for golden update.
For aqmode=3, golden period update is set based on period of cyclic refresh.
Put a limit on max golden period update, for now set to 40.
And fix comment.
Change-Id: Icb61dd87c796cce2a5f5f7331c6a129540994696
Diffstat (limited to 'vp9/encoder/vp9_aq_cyclicrefresh.c')
-rw-r--r-- | vp9/encoder/vp9_aq_cyclicrefresh.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/vp9/encoder/vp9_aq_cyclicrefresh.c b/vp9/encoder/vp9_aq_cyclicrefresh.c index de0951966..de6deb53b 100644 --- a/vp9/encoder/vp9_aq_cyclicrefresh.c +++ b/vp9/encoder/vp9_aq_cyclicrefresh.c @@ -321,11 +321,11 @@ void vp9_cyclic_refresh_postencode(VP9_COMP *const cpi) { void vp9_cyclic_refresh_set_golden_update(VP9_COMP *const cpi) { RATE_CONTROL *const rc = &cpi->rc; CYCLIC_REFRESH *const cr = cpi->cyclic_refresh; - // Set minimum gf_interval for GF update to a multiple (== 2) of refresh - // period. Depending on past encoding stats, GF flag may be reset and update - // may not occur until next baseline_gf_interval. + // Set minimum gf_interval for GF update to a multiple of the refresh period, + // with some max limit. Depending on past encoding stats, GF flag may be + // reset and update may not occur until next baseline_gf_interval. if (cr->percent_refresh > 0) - rc->baseline_gf_interval = 4 * (100 / cr->percent_refresh); + rc->baseline_gf_interval = VPXMIN(4 * (100 / cr->percent_refresh), 40); else rc->baseline_gf_interval = 40; } |