libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_ssim.h

Index: source/libvpx/vp9/encoder/vp9_ssim.h
diff --git a/source/libvpx/vp9/encoder/vp9_ssim.h b/source/libvpx/vp9/encoder/vp9_ssim.h
deleted file mode 100644
index 10f14c4d26821f21fcfbb4add18f3df3084503d2..0000000000000000000000000000000000000000
--- a/source/libvpx/vp9/encoder/vp9_ssim.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef VP9_ENCODER_VP9_SSIM_H_
-#define VP9_ENCODER_VP9_SSIM_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "vpx_scale/yv12config.h"
-
-// metrics used for calculating ssim, ssim2, dssim, and ssimc
-typedef struct {
-  // source sum ( over 8x8 region )
-  uint64_t sum_s;
-
-  // reference sum (over 8x8 region )
-  uint64_t sum_r;
-
-  // source sum squared ( over 8x8 region )
-  uint64_t sum_sq_s;
-
-  // reference sum squared (over 8x8 region )
-  uint64_t sum_sq_r;
-
-  // sum of source times reference (over 8x8 region)
-  uint64_t sum_sxr;
-
-  // calculated ssim score between source and reference
-  double ssim;
-} Ssimv;
-
-// metrics collected on a frame basis
-typedef struct {
-  // ssim consistency error metric ( see code for explanation )
-  double ssimc;
-
-  // standard ssim
-  double ssim;
-
-  // revised ssim ( see code for explanation)
-  double ssim2;
-
-  // ssim restated as an error metric like sse
-  double dssim;
-
-  // dssim converted to decibels
-  double dssimd;
-
-  // ssimc converted to decibels
-  double ssimcd;
-} Metrics;
-
-double vp9_get_ssim_metrics(uint8_t *img1, int img1_pitch, uint8_t *img2,
-                      int img2_pitch, int width, int height, Ssimv *sv2,
-                      Metrics *m, int do_inconsistency);
-
-double vp9_calc_ssim(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
-                     double *weight);
-
-double vp9_calc_ssimg(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
-                      double *ssim_y, double *ssim_u, double *ssim_v);
-
-double vp9_calc_fastssim(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
-                         double *ssim_y, double *ssim_u, double *ssim_v);
-
-double vp9_psnrhvs(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest,
-                   double *ssim_y, double *ssim_u, double *ssim_v);
-
-#if CONFIG_VP9_HIGHBITDEPTH
-double vp9_highbd_calc_ssim(YV12_BUFFER_CONFIG *source,
-                            YV12_BUFFER_CONFIG *dest,
-                            double *weight,
-                            unsigned int bd);
-
-double vp9_highbd_calc_ssimg(YV12_BUFFER_CONFIG *source,
-                             YV12_BUFFER_CONFIG *dest,
-                             double *ssim_y,
-                             double *ssim_u,
-                             double *ssim_v,
-                             unsigned int bd);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP9_ENCODER_VP9_SSIM_H_