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author | Johann <johannkoenig@google.com> | 2012-03-05 16:50:33 -0800 |
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committer | Johann <johannkoenig@google.com> | 2012-03-05 16:50:33 -0800 |
commit | e50f96a4a3c4974f784fa764a29c873a58cca150 (patch) | |
tree | 6ae76d3c2b098c79b51d9698d418e721313c3d20 /vp8/common/arm/variance_arm.c | |
parent | cbcfbe1b2987386ff21075d32f12633458556708 (diff) | |
download | libvpx-e50f96a4a3c4974f784fa764a29c873a58cca150.tar libvpx-e50f96a4a3c4974f784fa764a29c873a58cca150.tar.gz libvpx-e50f96a4a3c4974f784fa764a29c873a58cca150.tar.bz2 libvpx-e50f96a4a3c4974f784fa764a29c873a58cca150.zip |
Move SAD and variance functions to common
The MFQE function of the postprocessor depends on these
Change-Id: I256a37c6de079fe92ce744b1f11e16526d06b50a
Diffstat (limited to 'vp8/common/arm/variance_arm.c')
-rw-r--r-- | vp8/common/arm/variance_arm.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/vp8/common/arm/variance_arm.c b/vp8/common/arm/variance_arm.c new file mode 100644 index 000000000..41d5eb352 --- /dev/null +++ b/vp8/common/arm/variance_arm.c @@ -0,0 +1,121 @@ +/* + * 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 "vpx_rtcd.h" +#include "vp8/common/variance.h" +#include "vp8/common/filter.h" + +#if HAVE_MEDIA +#include "vp8/common/arm/bilinearfilter_arm.h" + +unsigned int vp8_sub_pixel_variance8x8_armv6 +( + 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 +) +{ + unsigned short first_pass[10*8]; + unsigned char second_pass[8*8]; + const short *HFilter, *VFilter; + + HFilter = vp8_bilinear_filters[xoffset]; + VFilter = vp8_bilinear_filters[yoffset]; + + vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass, + src_pixels_per_line, + 9, 8, HFilter); + vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass, + 8, 8, 8, VFilter); + + return vp8_variance8x8_armv6(second_pass, 8, dst_ptr, + dst_pixels_per_line, sse); +} + +unsigned int vp8_sub_pixel_variance16x16_armv6 +( + 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 +) +{ + unsigned short first_pass[36*16]; + unsigned char second_pass[20*16]; + const short *HFilter, *VFilter; + unsigned int var; + + if (xoffset == 4 && yoffset == 0) + { + var = vp8_variance_halfpixvar16x16_h_armv6(src_ptr, src_pixels_per_line, + dst_ptr, dst_pixels_per_line, sse); + } + else if (xoffset == 0 && yoffset == 4) + { + var = vp8_variance_halfpixvar16x16_v_armv6(src_ptr, src_pixels_per_line, + dst_ptr, dst_pixels_per_line, sse); + } + else if (xoffset == 4 && yoffset == 4) + { + var = vp8_variance_halfpixvar16x16_hv_armv6(src_ptr, src_pixels_per_line, + dst_ptr, dst_pixels_per_line, sse); + } + else + { + HFilter = vp8_bilinear_filters[xoffset]; + VFilter = vp8_bilinear_filters[yoffset]; + + vp8_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass, + src_pixels_per_line, + 17, 16, HFilter); + vp8_filter_block2d_bil_second_pass_armv6(first_pass, second_pass, + 16, 16, 16, VFilter); + + var = vp8_variance16x16_armv6(second_pass, 16, dst_ptr, + dst_pixels_per_line, sse); + } + return var; +} + +#endif /* HAVE_MEDIA */ + + +#if HAVE_NEON + +unsigned int vp8_sub_pixel_variance16x16_neon +( + 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 +) +{ + if (xoffset == 4 && yoffset == 0) + return vp8_variance_halfpixvar16x16_h_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else if (xoffset == 0 && yoffset == 4) + return vp8_variance_halfpixvar16x16_v_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else if (xoffset == 4 && yoffset == 4) + return vp8_variance_halfpixvar16x16_hv_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else + return vp8_sub_pixel_variance16x16_neon_func(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse); +} + +#endif |