Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

third_party/aom/aom_dsp/psnr.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_DSP_PSNR_H_
+#define AOM_DSP_PSNR_H_
+
+#include "aom_scale/yv12config.h"
+
+#define MAX_PSNR 100.0
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  double psnr[4];       // total/y/u/v
+  uint64_t sse[4];      // total/y/u/v
+  uint32_t samples[4];  // total/y/u/v
+} PSNR_STATS;
+
+/*!\brief Converts SSE to PSNR
+*
+* Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PNSR).
+*
+* \param[in]    samples       Number of samples
+* \param[in]    peak          Max sample value
+* \param[in]    sse           Sum of squared errors
+*/
+double aom_sse_to_psnr(double samples, double peak, double sse);
+int64_t aom_get_y_sse_part(const YV12_BUFFER_CONFIG *a,
+                           const YV12_BUFFER_CONFIG *b, int hstart, int width,
+                           int vstart, int height);
+int64_t aom_get_y_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
+int64_t aom_get_u_sse_part(const YV12_BUFFER_CONFIG *a,
+                           const YV12_BUFFER_CONFIG *b, int hstart, int width,
+                           int vstart, int height);
+int64_t aom_get_u_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
+int64_t aom_get_v_sse_part(const YV12_BUFFER_CONFIG *a,
+                           const YV12_BUFFER_CONFIG *b, int hstart, int width,
+                           int vstart, int height);
+int64_t aom_get_v_sse(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b);
+#if CONFIG_HIGHBITDEPTH
+int64_t aom_highbd_get_y_sse_part(const YV12_BUFFER_CONFIG *a,
+                                  const YV12_BUFFER_CONFIG *b, int hstart,
+                                  int width, int vstart, int height);
+int64_t aom_highbd_get_y_sse(const YV12_BUFFER_CONFIG *a,
+                             const YV12_BUFFER_CONFIG *b);
+int64_t aom_highbd_get_u_sse_part(const YV12_BUFFER_CONFIG *a,
+                                  const YV12_BUFFER_CONFIG *b, int hstart,
+                                  int width, int vstart, int height);
+int64_t aom_highbd_get_u_sse(const YV12_BUFFER_CONFIG *a,
+                             const YV12_BUFFER_CONFIG *b);
+int64_t aom_highbd_get_v_sse_part(const YV12_BUFFER_CONFIG *a,
+                                  const YV12_BUFFER_CONFIG *b, int hstart,
+                                  int width, int vstart, int height);
+int64_t aom_highbd_get_v_sse(const YV12_BUFFER_CONFIG *a,
+                             const YV12_BUFFER_CONFIG *b);
+void aom_calc_highbd_psnr(const YV12_BUFFER_CONFIG *a,
+                          const YV12_BUFFER_CONFIG *b, PSNR_STATS *psnr,
+                          unsigned int bit_depth, unsigned int in_bit_depth);
+#endif
+void aom_calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b,
+                   PSNR_STATS *psnr);
+
+double aom_psnrhvs(const YV12_BUFFER_CONFIG *source,
+                   const YV12_BUFFER_CONFIG *dest, double *phvs_y,
+                   double *phvs_u, double *phvs_v, uint32_t bd, uint32_t in_bd);
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+#endif  // AOM_DSP_PSNR_H_