shithub: libvpx

Info  •  Files  •  Log  •  Branches

Merge changes I0089e884,Icb0ecb9e

* changes:
  vp8/postproc: fix implicit float conversion
  blockiness_test: fix implicit float conversion

--- a/test/blockiness_test.cc

+++ b/test/blockiness_test.cc

@@ -152,7 +152,7 @@

   BlockinessVP9Test() : BlockinessTestBase(GET_PARAM(0), GET_PARAM(1)) {}

  protected:

-  int CheckBlockiness() {

+  double GetBlockiness() const {

     return vp9_get_blockiness(source_data_, source_stride_,

                               reference_data_, reference_stride_,

                               width_, height_);

@@ -168,9 +168,10 @@

   // Source is blockier than reference.

   FillRandomBlocky(source_data_, source_stride_);

   FillConstant(reference_data_, reference_stride_, 128);

-  int super_blocky = CheckBlockiness();

+  const double super_blocky = GetBlockiness();

-  EXPECT_EQ(0, super_blocky) << "Blocky source should produce 0 blockiness.";

+  EXPECT_DOUBLE_EQ(0.0, super_blocky)

+      << "Blocky source should produce 0 blockiness.";

 }

 TEST_P(BlockinessVP9Test, ReferenceBlockierThanSource) {

@@ -177,7 +178,7 @@

   // Source is blockier than reference.

   FillConstant(source_data_, source_stride_, 128);

   FillRandomBlocky(reference_data_, reference_stride_);

-  int super_blocky = CheckBlockiness();

+  const double super_blocky = GetBlockiness();

   EXPECT_GT(super_blocky, 0.0)

       << "Blocky reference should score high for blockiness.";

@@ -187,10 +188,10 @@

   // Source is blockier than reference.

   FillConstant(source_data_, source_stride_, 128);

   FillRandomBlocky(reference_data_, reference_stride_);

-  int super_blocky = CheckBlockiness();

+  const double super_blocky = GetBlockiness();

   Blur(reference_data_, reference_stride_, 4);

-  int less_blocky = CheckBlockiness();

+  const double less_blocky = GetBlockiness();

   EXPECT_GT(super_blocky, less_blocky)

       << "A straight blur should decrease blockiness.";

@@ -201,10 +202,10 @@

   FillConstant(source_data_, source_stride_, 128);

   FillCheckerboard(reference_data_, reference_stride_);

-  int super_blocky = CheckBlockiness();

+  const double super_blocky = GetBlockiness();

   Blur(reference_data_, reference_stride_, 4);

-  int less_blocky = CheckBlockiness();

+  const double less_blocky = GetBlockiness();

   EXPECT_GT(super_blocky, less_blocky)

       << "A straight blur should decrease blockiness.";

--- a/vp8/common/postproc.c

+++ b/vp8/common/postproc.c

@@ -24,13 +24,16 @@

 #include <stdlib.h>

 #include <stdio.h>

-#define RGB_TO_YUV(t)                                                   \

-  ((0.257 * (float)(t >> 16)) + (0.504 * (float)(t >> 8 & 0xff)) +      \

-   (0.098 * (float)(t & 0xff)) + 16),                                   \

-      (-(0.148 * (float)(t >> 16)) - (0.291 * (float)(t >> 8 & 0xff)) + \

-       (0.439 * (float)(t & 0xff)) + 128),                              \

-      ((0.439 * (float)(t >> 16)) - (0.368 * (float)(t >> 8 & 0xff)) -  \

-       (0.071 * (float)(t & 0xff)) + 128)

+#define RGB_TO_YUV(t)                                     \

+  (unsigned char)((0.257 * (float)(t >> 16)) +            \

+                  (0.504 * (float)(t >> 8 & 0xff)) +      \

+                  (0.098 * (float)(t & 0xff)) + 16),      \

+  (unsigned char)(-(0.148 * (float)(t >> 16)) -           \

+                  (0.291 * (float)(t >> 8 & 0xff)) +      \

+                  (0.439 * (float)(t & 0xff)) + 128),     \

+  (unsigned char)((0.439 * (float)(t >> 16)) -            \

+                  (0.368 * (float)(t >> 8 & 0xff)) -      \

+                  (0.071 * (float)(t & 0xff)) + 128)

 /* global constants */

 #if CONFIG_POSTPROC_VISUALIZER

-- 

⑨