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vp8: reduce refresh_max_mbs_perframe with fewer layers.

Change-Id: Ib39cc0218a1f232c0cde8e99ca3319c17274bd48

--- a/vp8/encoder/onyx_if.c

+++ b/vp8/encoder/onyx_if.c

@@ -1879,6 +1879,13 @@

      */

     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;

+    if (cpi->oxcf.number_of_layers == 1) {

+        cpi->cyclic_refresh_mode_max_mbs_perframe =

+            (cpi->common.mb_rows * cpi->common.mb_cols) / 20;

+    } else if (cpi->oxcf.number_of_layers == 2) {

+        cpi->cyclic_refresh_mode_max_mbs_perframe =

+            (cpi->common.mb_rows * cpi->common.mb_cols) / 10;

+    }

     cpi->cyclic_refresh_mode_index = 0;

     cpi->cyclic_refresh_q = 32;

-- 

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