1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp8/common/arm/variance_arm.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,132 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#include "vpx_config.h"
1.15 +#include "vp8_rtcd.h"
1.16 +#include "vp8/common/variance.h"
1.17 +#include "vp8/common/filter.h"
1.18 +
1.19 +#if HAVE_MEDIA
1.20 +#include "vp8/common/arm/bilinearfilter_arm.h"
1.21 +
1.22 +unsigned int vp8_sub_pixel_variance8x8_armv6
1.23 +(
1.24 + const unsigned char *src_ptr,
1.25 + int src_pixels_per_line,
1.26 + int xoffset,
1.27 + int yoffset,
1.28 + const unsigned char *dst_ptr,
1.29 + int dst_pixels_per_line,
1.30 + unsigned int *sse
1.31 +)
1.32 +{
1.33 + unsigned short first_pass[10*8];
1.34 + unsigned char second_pass[8*8];
1.35 + const short *HFilter, *VFilter;
1.36 +
1.37 + HFilter = vp8_bilinear_filters[xoffset];
1.38 + VFilter = vp8_bilinear_filters[yoffset];
1.39 +
1.40 + vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass,
1.41 + src_pixels_per_line,
1.42 + 9, 8, HFilter);
1.43 + vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass,
1.44 + 8, 8, 8, VFilter);
1.45 +
1.46 + return vp8_variance8x8_armv6(second_pass, 8, dst_ptr,
1.47 + dst_pixels_per_line, sse);
1.48 +}
1.49 +
1.50 +unsigned int vp8_sub_pixel_variance16x16_armv6
1.51 +(
1.52 + const unsigned char *src_ptr,
1.53 + int src_pixels_per_line,
1.54 + int xoffset,
1.55 + int yoffset,
1.56 + const unsigned char *dst_ptr,
1.57 + int dst_pixels_per_line,
1.58 + unsigned int *sse
1.59 +)
1.60 +{
1.61 + unsigned short first_pass[36*16];
1.62 + unsigned char second_pass[20*16];
1.63 + const short *HFilter, *VFilter;
1.64 + unsigned int var;
1.65 +
1.66 + if (xoffset == 4 && yoffset == 0)
1.67 + {
1.68 + var = vp8_variance_halfpixvar16x16_h_armv6(src_ptr, src_pixels_per_line,
1.69 + dst_ptr, dst_pixels_per_line, sse);
1.70 + }
1.71 + else if (xoffset == 0 && yoffset == 4)
1.72 + {
1.73 + var = vp8_variance_halfpixvar16x16_v_armv6(src_ptr, src_pixels_per_line,
1.74 + dst_ptr, dst_pixels_per_line, sse);
1.75 + }
1.76 + else if (xoffset == 4 && yoffset == 4)
1.77 + {
1.78 + var = vp8_variance_halfpixvar16x16_hv_armv6(src_ptr, src_pixels_per_line,
1.79 + dst_ptr, dst_pixels_per_line, sse);
1.80 + }
1.81 + else
1.82 + {
1.83 + HFilter = vp8_bilinear_filters[xoffset];
1.84 + VFilter = vp8_bilinear_filters[yoffset];
1.85 +
1.86 + vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass,
1.87 + src_pixels_per_line,
1.88 + 17, 16, HFilter);
1.89 + vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass,
1.90 + 16, 16, 16, VFilter);
1.91 +
1.92 + var = vp8_variance16x16_armv6(second_pass, 16, dst_ptr,
1.93 + dst_pixels_per_line, sse);
1.94 + }
1.95 + return var;
1.96 +}
1.97 +
1.98 +#endif /* HAVE_MEDIA */
1.99 +
1.100 +
1.101 +#if HAVE_NEON
1.102 +
1.103 +extern unsigned int vp8_sub_pixel_variance16x16_neon_func
1.104 +(
1.105 + const unsigned char *src_ptr,
1.106 + int src_pixels_per_line,
1.107 + int xoffset,
1.108 + int yoffset,
1.109 + const unsigned char *dst_ptr,
1.110 + int dst_pixels_per_line,
1.111 + unsigned int *sse
1.112 +);
1.113 +
1.114 +unsigned int vp8_sub_pixel_variance16x16_neon
1.115 +(
1.116 + const unsigned char *src_ptr,
1.117 + int src_pixels_per_line,
1.118 + int xoffset,
1.119 + int yoffset,
1.120 + const unsigned char *dst_ptr,
1.121 + int dst_pixels_per_line,
1.122 + unsigned int *sse
1.123 +)
1.124 +{
1.125 + if (xoffset == 4 && yoffset == 0)
1.126 + return vp8_variance_halfpixvar16x16_h_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
1.127 + else if (xoffset == 0 && yoffset == 4)
1.128 + return vp8_variance_halfpixvar16x16_v_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
1.129 + else if (xoffset == 4 && yoffset == 4)
1.130 + return vp8_variance_halfpixvar16x16_hv_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse);
1.131 + else
1.132 + return vp8_sub_pixel_variance16x16_neon_func(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
1.133 +}
1.134 +
1.135 +#endif
