shithub: libvpx

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vp8e - attempt to lessen blockiness

applies a penalty to intra blocks in order to cut down on blockiness in
easy sections.

Change-Id: Ia9e5df16328b0bf01bf0f2e6e61abcb687316c12

--- a/vp8/encoder/rdopt.c

+++ b/vp8/encoder/rdopt.c

@@ -16,7 +16,6 @@

 #include "vpx_config.h"

 #include "vpx_rtcd.h"

 #include "vp8/common/pragmas.h"

-

 #include "tokenize.h"

 #include "treewriter.h"

 #include "onyx_int.h"

@@ -26,6 +25,7 @@

 #include "vp8/common/reconinter.h"

 #include "vp8/common/reconintra4x4.h"

 #include "vp8/common/findnearmv.h"

+#include "vp8/common/quant_common.h"

 #include "encodemb.h"

 #include "quantize.h"

 #include "variance.h"

@@ -1753,6 +1753,9 @@

     int ref_frame_map[4];

     int sign_bias = 0;

+    int intra_rd_penalty =  10* vp8_dc_quant(cpi->common.base_qindex,

+                                             cpi->common.y1dc_delta_q);

+

     mode_mv = mode_mv_sb[sign_bias];

     best_ref_mv.as_int = 0;

     vpx_memset(mode_mv_sb, 0, sizeof(mode_mv_sb));

@@ -2258,6 +2261,9 @@

             }

             // Calculate the final RD estimate for this mode

             this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);

+            if (this_rd < INT_MAX && x->e_mbd.mode_info_context->mbmi.ref_frame

+                                     == INTRA_FRAME)

+                this_rd += intra_rd_penalty;

         }

         // Keep record of best intra distortion

-- 

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