diff options
Diffstat (limited to 'vp9/encoder/arm/vp9_variance_arm.c')
| -rw-r--r-- | vp9/encoder/arm/vp9_variance_arm.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/vp9/encoder/arm/vp9_variance_arm.c b/vp9/encoder/arm/vp9_variance_arm.c new file mode 100644 index 000000000..91c0236e3 --- /dev/null +++ b/vp9/encoder/arm/vp9_variance_arm.c @@ -0,0 +1,112 @@ +/* + * 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_filter.h" +#include "vp9/common/arm/vp9_bilinearfilter_arm.h" + +#define HALFNDX 8 + +#if HAVE_ARMV6 + +unsigned int vp9_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]; + + vp9_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass, + src_pixels_per_line, + 9, 8, HFilter); + vp9_filter_block2d_bil_second_pass_armv6(first_pass, second_pass, + 8, 8, 8, VFilter); + + return vp9_variance8x8_armv6(second_pass, 8, dst_ptr, + dst_pixels_per_line, sse); +} + +unsigned int vp9_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 == HALFNDX && yoffset == 0) { + var = vp9_variance_halfpixvar16x16_h_armv6(src_ptr, src_pixels_per_line, + dst_ptr, dst_pixels_per_line, sse); + } else if (xoffset == 0 && yoffset == HALFNDX) { + var = vp9_variance_halfpixvar16x16_v_armv6(src_ptr, src_pixels_per_line, + dst_ptr, dst_pixels_per_line, sse); + } else if (xoffset == HALFNDX && yoffset == HALFNDX) { + var = vp9_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]; + + vp9_filter_block2d_bil_first_pass_armv6(src_ptr, first_pass, + src_pixels_per_line, + 17, 16, HFilter); + vp9_filter_block2d_bil_second_pass_armv6(first_pass, second_pass, + 16, 16, 16, VFilter); + + var = vp9_variance16x16_armv6(second_pass, 16, dst_ptr, + dst_pixels_per_line, sse); + } + return var; +} + +#endif /* HAVE_ARMV6 */ + + +#if HAVE_ARMV7 + +unsigned int vp9_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 == HALFNDX && yoffset == 0) + return vp9_variance_halfpixvar16x16_h_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else if (xoffset == 0 && yoffset == HALFNDX) + return vp9_variance_halfpixvar16x16_v_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else if (xoffset == HALFNDX && yoffset == HALFNDX) + return vp9_variance_halfpixvar16x16_hv_neon(src_ptr, src_pixels_per_line, dst_ptr, dst_pixels_per_line, sse); + else + return vp9_sub_pixel_variance16x16_neon_func(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse); +} + +#endif |