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Remove unused code in tiny_ssim

Change-Id: Ife6eb3f8651daa209eeeb8eff85158f00d418647

--- a/tools/tiny_ssim.c

+++ b/tools/tiny_ssim.c

@@ -50,7 +50,8 @@

   }

   return total_sse;

 }

-#endif

+#endif  // CONFIG_VP9_HIGHBITDEPTH

+

 static uint64_t calc_plane_error(uint8_t *orig, int orig_stride, uint8_t *recon,

                                  int recon_stride, unsigned int cols,

                                  unsigned int rows) {

@@ -269,6 +270,7 @@

   return similarity(sum_s, sum_r, sum_sq_s, sum_sq_r, sum_sxr, 64, 8);

 }

+#if CONFIG_VP9_HIGHBITDEPTH

 static double highbd_ssim_8x8(const uint16_t *s, int sp, const uint16_t *r,

                               int rp, uint32_t bd, uint32_t shift) {

   uint32_t sum_s = 0, sum_r = 0, sum_sq_s = 0, sum_sq_r = 0, sum_sxr = 0;

@@ -277,6 +279,7 @@

   return similarity(sum_s >> shift, sum_r >> shift, sum_sq_s >> (2 * shift),

                     sum_sq_r >> (2 * shift), sum_sxr >> (2 * shift), 64, bd);

 }

+#endif  // CONFIG_VP9_HIGHBITDEPTH

 // We are using a 8x8 moving window with starting location of each 8x8 window

 // on the 4x4 pixel grid. Such arrangement allows the windows to overlap

@@ -300,6 +303,7 @@

   return ssim_total;

 }

+#if CONFIG_VP9_HIGHBITDEPTH

 static double highbd_ssim2(const uint8_t *img1, const uint8_t *img2,

                            int stride_img1, int stride_img2, int width,

                            int height, uint32_t bd, uint32_t shift) {

@@ -321,6 +325,7 @@

   ssim_total /= samples;

   return ssim_total;

 }

+#endif  // CONFIG_VP9_HIGHBITDEPTH

 // traditional ssim as per: http://en.wikipedia.org/wiki/Structural_similarity

 //

@@ -565,35 +570,6 @@

   return inconsistency_total;

 }

-double highbd_calc_ssim(const YV12_BUFFER_CONFIG *source,

-                        const YV12_BUFFER_CONFIG *dest, double *weight,

-                        uint32_t bd, uint32_t in_bd) {

-  double a, b, c;

-  double ssimv;

-  uint32_t shift = 0;

-

-  assert(bd >= in_bd);

-  shift = bd - in_bd;

-

-  a = highbd_ssim2(source->y_buffer, dest->y_buffer, source->y_stride,

-                   dest->y_stride, source->y_crop_width, source->y_crop_height,

-                   in_bd, shift);

-

-  b = highbd_ssim2(source->u_buffer, dest->u_buffer, source->uv_stride,

-                   dest->uv_stride, source->uv_crop_width,

-                   source->uv_crop_height, in_bd, shift);

-

-  c = highbd_ssim2(source->v_buffer, dest->v_buffer, source->uv_stride,

-                   dest->uv_stride, source->uv_crop_width,

-                   source->uv_crop_height, in_bd, shift);

-

-  ssimv = a * .8 + .1 * (b + c);

-

-  *weight = 1;

-

-  return ssimv;

-}

-

 int main(int argc, char *argv[]) {

   FILE *framestats = NULL;

   int bit_depth = 8;

@@ -711,7 +687,7 @@

 #define psnr_and_ssim(ssim, psnr, buf0, buf1, w, h) \

   ssim = ssim2(buf0, buf1, w, w, w, h);             \

   psnr = calc_plane_error(buf0, w, buf1, w, w, h);

-#endif

+#endif  // CONFIG_VP9_HIGHBITDEPTH

     if (n_frames == allocated_frames) {

       allocated_frames = allocated_frames == 0 ? 1024 : allocated_frames * 2;