1 files changed, 115 insertions, 0 deletions
diff --git a/libvpx/vp8/common/variance.h b/libvpx/vp8/common/variance.h
new file mode 100644
index 0000000..01193b8
--- /dev/null
+++ b/libvpx/vp8/common/variance.h
@@ -0,0 +1,115 @@
+/*
+ *  Copyright (c) 2010 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 VARIANCE_H
+#define VARIANCE_H
+
+#include "vpx_config.h"
+
+typedef unsigned int(*vp8_sad_fn_t)(
+    const unsigned char *src_ptr,
+    int source_stride,
+    const unsigned char *ref_ptr,
+    int ref_stride,
+    unsigned int max_sad);
+
+typedef void (*vp8_copy32xn_fn_t)(
+    const unsigned char *src_ptr,
+    int source_stride,
+    const unsigned char *ref_ptr,
+    int ref_stride,
+    int n);
+
+typedef void (*vp8_sad_multi_fn_t)(
+    const unsigned char *src_ptr,
+    int source_stride,
+    const unsigned char *ref_ptr,
+    int  ref_stride,
+    unsigned int *sad_array);
+
+typedef void (*vp8_sad_multi1_fn_t)
+    (
+     const unsigned char *src_ptr,
+     int source_stride,
+     const unsigned char *ref_ptr,
+     int  ref_stride,
+     unsigned short *sad_array
+    );
+
+typedef void (*vp8_sad_multi_d_fn_t)
+    (
+     const unsigned char *src_ptr,
+     int source_stride,
+     const unsigned char * const ref_ptr[],
+     int  ref_stride,
+     unsigned int *sad_array
+    );
+
+typedef unsigned int (*vp8_variance_fn_t)
+    (
+     const unsigned char *src_ptr,
+     int source_stride,
+     const unsigned char *ref_ptr,
+     int  ref_stride,
+     unsigned int *sse
+    );
+
+typedef unsigned int (*vp8_subpixvariance_fn_t)
+    (
+      const unsigned char  *src_ptr,
+      int  source_stride,
+      int  xoffset,
+      int  yoffset,
+      const unsigned char *ref_ptr,
+      int Refstride,
+      unsigned int *sse
+    );
+
+typedef void (*vp8_ssimpf_fn_t)
+      (
+        unsigned char *s,
+        int sp,
+        unsigned char *r,
+        int rp,
+        unsigned long *sum_s,
+        unsigned long *sum_r,
+        unsigned long *sum_sq_s,
+        unsigned long *sum_sq_r,
+        unsigned long *sum_sxr
+      );
+
+typedef unsigned int (*vp8_getmbss_fn_t)(const short *);
+
+typedef unsigned int (*vp8_get16x16prederror_fn_t)
+    (
+     const unsigned char *src_ptr,
+     int source_stride,
+     const unsigned char *ref_ptr,
+     int  ref_stride
+    );
+
+typedef struct variance_vtable
+{
+    vp8_sad_fn_t            sdf;
+    vp8_variance_fn_t       vf;
+    vp8_subpixvariance_fn_t svf;
+    vp8_variance_fn_t       svf_halfpix_h;
+    vp8_variance_fn_t       svf_halfpix_v;
+    vp8_variance_fn_t       svf_halfpix_hv;
+    vp8_sad_multi_fn_t      sdx3f;
+    vp8_sad_multi1_fn_t     sdx8f;
+    vp8_sad_multi_d_fn_t    sdx4df;
+#if ARCH_X86 || ARCH_X86_64
+    vp8_copy32xn_fn_t       copymem;
+#endif
+} vp8_variance_fn_ptr_t;
+
+#endif