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vp8: Small adjustment to cyclic_refresh max_mbs_perframe.

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For 3 temporal layers, reduce somewhat the
cyclic_refresh_mode_max_mbs_perframe parameter, from 20% to ~14%.
Small increase in PSNR/SSIM metrics.

Change-Id: Ia216fa5474048f1ef7fe3db88cd60dfef2a1bf8a
This commit is contained in:
Marco 2015-09-09 14:51:14 -07:00
parent 64677c7e99
commit 3140e90175
1 changed files with 1 additions and 1 deletions
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2
vp8/encoder/onyx_if.c
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@ -1918,7 +1918,7 @@ struct VP8_COMP* vp8_create_compressor(VP8_CONFIG *oxcf)
* Currently this is tied to error resilliant mode
*/
cpi->cyclic_refresh_mode_enabled = cpi->oxcf.error_resilient_mode;
cpi->cyclic_refresh_mode_max_mbs_perframe = (cpi->common.mb_rows * cpi->common.mb_cols) / 5;
cpi->cyclic_refresh_mode_max_mbs_perframe = (cpi->common.mb_rows * cpi->common.mb_cols) / 7;
if (cpi->oxcf.number_of_layers == 1) {
cpi->cyclic_refresh_mode_max_mbs_perframe =
(cpi->common.mb_rows * cpi->common.mb_cols) / 20;