ref: 374a17366e8bbac63c28db270781057273838c20
parent: f4d2ad6915ef412435e6729db9081fa6c8b7db71
author: Yaowu Xu <yaowu@google.com>
date: Thu Mar 14 08:31:27 EDT 2013
force lossless coding at very high quality end Change-Id: I75fc4eee10bee9efd419d248827290cce8e6d637
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -1292,7 +1292,9 @@
vp9_zero(cpi->mb_mv_ref_count);
#endif
- // force lossless mode when Q0 is selected
+ // force lossless mode
+ if (cm->base_qindex <= 4)
+ cm->base_qindex = 0;
cpi->mb.e_mbd.lossless = (cm->base_qindex == 0 &&
cm->y1dc_delta_q == 0 &&
cm->uvdc_delta_q == 0 &&