libvpx: Add VP9 decoder.

source/libvpx/vp9/encoder/x86/vp9_variance_sse2.c

Index: source/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
===================================================================
--- source/libvpx/vp9/encoder/x86/vp9_variance_sse2.c	(revision 0)
+++ source/libvpx/vp9/encoder/x86/vp9_variance_sse2.c	(revision 0)
@@ -0,0 +1,517 @@
+/*
+ *  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.
+ */
+
+#include "vpx_config.h"
+#include "vp9/encoder/vp9_variance.h"
+#include "vp9/common/vp9_pragmas.h"
+#include "vpx_ports/mem.h"
+
+#define HALFNDX 8
+
+extern void filter_block1d_h6_mmx(const unsigned char *src_ptr, unsigned short *output_ptr, unsigned int src_pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *vp7_filter);
+extern void filter_block1d_v6_mmx(const short *src_ptr, unsigned char *output_ptr, unsigned int pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *vp7_filter);
+extern void filter_block1d8_h6_sse2(const unsigned char *src_ptr, unsigned short *output_ptr, unsigned int src_pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *vp7_filter);
+extern void filter_block1d8_v6_sse2(const short *src_ptr, unsigned char *output_ptr, unsigned int pixels_per_line, unsigned int pixel_step, unsigned int output_height, unsigned int output_width, short *vp7_filter);
+
+extern void vp9_filter_block2d_bil4x4_var_mmx
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  const short *HFilter,
+  const short *VFilter,
+  int *sum,
+  unsigned int *sumsquared
+);
+
+extern unsigned int vp9_get4x4var_mmx
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+
+unsigned int vp9_get_mb_ss_sse2
+(
+  const short *src_ptr
+);
+unsigned int vp9_get16x16var_sse2
+(
+  const unsigned char *src_ptr,
+  int source_stride,
+  const unsigned char *ref_ptr,
+  int recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+unsigned int vp9_get8x8var_sse2
+(
+  const unsigned char *src_ptr,
+  int source_stride,
+  const unsigned char *ref_ptr,
+  int recon_stride,
+  unsigned int *SSE,
+  int *Sum
+);
+void vp9_filter_block2d_bil_var_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int  xoffset,
+  int  yoffset,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_vert_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_vert_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_horiz_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_vert_variance8x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+void vp9_half_vert_variance16x_h_sse2
+(
+  const unsigned char *ref_ptr,
+  int ref_pixels_per_line,
+  const unsigned char *src_ptr,
+  int src_pixels_per_line,
+  unsigned int Height,
+  int *sum,
+  unsigned int *sumsquared
+);
+
+DECLARE_ALIGNED(16, extern const short, vp9_bilinear_filters_mmx[16][8]);
+
+unsigned int vp9_variance4x4_wmt(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  vp9_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 4));
+
+}
+
+unsigned int vp9_variance8x8_wmt
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int var;
+  int avg;
+
+  vp9_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 6));
+
+}
+
+
+unsigned int vp9_variance16x16_wmt
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int sse0;
+  int sum0;
+
+
+  vp9_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
+  *sse = sse0;
+  return (sse0 - (((unsigned int)sum0 * sum0) >> 8));
+}
+unsigned int vp9_mse16x16_wmt(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+
+  unsigned int sse0;
+  int sum0;
+  vp9_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
+  *sse = sse0;
+  return sse0;
+
+}
+
+
+unsigned int vp9_variance16x8_wmt
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int sse0, sse1, var;
+  int sum0, sum1, avg;
+
+  vp9_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
+  vp9_get8x8var_sse2(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, &sse1, &sum1);
+
+  var = sse0 + sse1;
+  avg = sum0 + sum1;
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 7));
+
+}
+
+unsigned int vp9_variance8x16_wmt
+(
+  const unsigned char *src_ptr,
+  int  source_stride,
+  const unsigned char *ref_ptr,
+  int  recon_stride,
+  unsigned int *sse) {
+  unsigned int sse0, sse1, var;
+  int sum0, sum1, avg;
+
+  vp9_get8x8var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, &sum0);
+  vp9_get8x8var_sse2(src_ptr + 8 * source_stride, source_stride, ref_ptr + 8 * recon_stride, recon_stride, &sse1, &sum1);
+
+  var = sse0 + sse1;
+  avg = sum0 + sum1;
+  *sse = var;
+  return (var - (((unsigned int)avg * avg) >> 7));
+
+}
+
+unsigned int vp9_sub_pixel_variance4x4_wmt
+(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  int xsum;
+  unsigned int xxsum;
+  vp9_filter_block2d_bil4x4_var_mmx(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line,
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
+    &xsum, &xxsum
+  );
+  *sse = xxsum;
+  return (xxsum - (((unsigned int)xsum * xsum) >> 4));
+}
+
+
+unsigned int vp9_sub_pixel_variance8x8_wmt
+(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  int xsum;
+  unsigned int xxsum;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum, &xxsum);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum, &xxsum);
+  }
+
+  *sse = xxsum;
+  return (xxsum - (((unsigned int)xsum * xsum) >> 6));
+}
+
+unsigned int vp9_sub_pixel_variance16x16_wmt
+(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  int xsum0, xsum1;
+  unsigned int xxsum0, xxsum1;
+
+
+  // note we could avoid these if statements if the calling function
+  // just called the appropriate functions inside.
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum0, &xxsum0);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum0, &xxsum0
+    );
+
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr + 8, src_pixels_per_line,
+      dst_ptr + 8, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum1, &xxsum1
+    );
+    xsum0 += xsum1;
+    xxsum0 += xxsum1;
+  }
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
+
+unsigned int vp9_sub_pixel_mse16x16_wmt(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  vp9_sub_pixel_variance16x16_wmt(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
+  return *sse;
+}
+
+unsigned int vp9_sub_pixel_variance16x8_wmt
+(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+
+) {
+  int xsum0, xsum1;
+  unsigned int xxsum0, xxsum1;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance16x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      &xsum0, &xxsum0);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum0, &xxsum0);
+
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr + 8, src_pixels_per_line,
+      dst_ptr + 8, dst_pixels_per_line, 8,
+      xoffset, yoffset,
+      &xsum1, &xxsum1);
+    xsum0 += xsum1;
+    xxsum0 += xxsum1;
+  }
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 7));
+}
+
+unsigned int vp9_sub_pixel_variance8x16_wmt
+(
+  const unsigned char  *src_ptr,
+  int  src_pixels_per_line,
+  int  xoffset,
+  int  yoffset,
+  const unsigned char *dst_ptr,
+  int dst_pixels_per_line,
+  unsigned int *sse
+) {
+  int xsum;
+  unsigned int xxsum;
+
+  if (xoffset == HALFNDX && yoffset == 0) {
+    vp9_half_horiz_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else if (xoffset == 0 && yoffset == HALFNDX) {
+    vp9_half_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else if (xoffset == HALFNDX && yoffset == HALFNDX) {
+    vp9_half_horiz_vert_variance8x_h_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      &xsum, &xxsum);
+  } else {
+    vp9_filter_block2d_bil_var_sse2(
+      src_ptr, src_pixels_per_line,
+      dst_ptr, dst_pixels_per_line, 16,
+      xoffset, yoffset,
+      &xsum, &xxsum);
+  }
+
+  *sse = xxsum;
+  return (xxsum - (((unsigned int)xsum * xsum) >> 7));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_h_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+
+  vp9_half_horiz_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_v_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+  vp9_half_vert_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
+
+
+unsigned int vp9_variance_halfpixvar16x16_hv_wmt(
+  const unsigned char *src_ptr,
+  int  src_pixels_per_line,
+  const unsigned char *dst_ptr,
+  int  dst_pixels_per_line,
+  unsigned int *sse) {
+  int xsum0;
+  unsigned int xxsum0;
+
+  vp9_half_horiz_vert_variance16x_h_sse2(
+    src_ptr, src_pixels_per_line,
+    dst_ptr, dst_pixels_per_line, 16,
+    &xsum0, &xxsum0);
+
+  *sse = xxsum0;
+  return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8));
+}
Property changes on: source/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
___________________________________________________________________
Added: svn:eol-style
   + LF