diff options
Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c')
| -rw-r--r-- | chromium/third_party/libvpx/source/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c b/chromium/third_party/libvpx/source/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c deleted file mode 100644 index 0ac194e92b0..00000000000 --- a/chromium/third_party/libvpx/source/libvpx/vp9/encoder/arm/neon/vp9_variance_neon.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * Copyright (c) 2014 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 <arm_neon.h> -#include "./vp9_rtcd.h" -#include "./vpx_dsp_rtcd.h" -#include "./vpx_config.h" - -#include "vpx_ports/mem.h" -#include "vpx/vpx_integer.h" - -#include "vp9/common/vp9_filter.h" - -static uint8_t bilinear_filters[8][2] = { - { 128, 0, }, - { 112, 16, }, - { 96, 32, }, - { 80, 48, }, - { 64, 64, }, - { 48, 80, }, - { 32, 96, }, - { 16, 112, }, -}; - -static void var_filter_block2d_bil_w8(const uint8_t *src_ptr, - uint8_t *output_ptr, - unsigned int src_pixels_per_line, - int pixel_step, - unsigned int output_height, - unsigned int output_width, - const uint8_t *vp9_filter) { - const uint8x8_t f0 = vmov_n_u8(vp9_filter[0]); - const uint8x8_t f1 = vmov_n_u8(vp9_filter[1]); - unsigned int i; - for (i = 0; i < output_height; ++i) { - const uint8x8_t src_0 = vld1_u8(&src_ptr[0]); - const uint8x8_t src_1 = vld1_u8(&src_ptr[pixel_step]); - const uint16x8_t a = vmull_u8(src_0, f0); - const uint16x8_t b = vmlal_u8(a, src_1, f1); - const uint8x8_t out = vrshrn_n_u16(b, FILTER_BITS); - vst1_u8(&output_ptr[0], out); - // Next row... - src_ptr += src_pixels_per_line; - output_ptr += output_width; - } -} - -static void var_filter_block2d_bil_w16(const uint8_t *src_ptr, - uint8_t *output_ptr, - unsigned int src_pixels_per_line, - int pixel_step, - unsigned int output_height, - unsigned int output_width, - const uint8_t *vp9_filter) { - const uint8x8_t f0 = vmov_n_u8(vp9_filter[0]); - const uint8x8_t f1 = vmov_n_u8(vp9_filter[1]); - unsigned int i, j; - for (i = 0; i < output_height; ++i) { - for (j = 0; j < output_width; j += 16) { - const uint8x16_t src_0 = vld1q_u8(&src_ptr[j]); - const uint8x16_t src_1 = vld1q_u8(&src_ptr[j + pixel_step]); - const uint16x8_t a = vmull_u8(vget_low_u8(src_0), f0); - const uint16x8_t b = vmlal_u8(a, vget_low_u8(src_1), f1); - const uint8x8_t out_lo = vrshrn_n_u16(b, FILTER_BITS); - const uint16x8_t c = vmull_u8(vget_high_u8(src_0), f0); - const uint16x8_t d = vmlal_u8(c, vget_high_u8(src_1), f1); - const uint8x8_t out_hi = vrshrn_n_u16(d, FILTER_BITS); - vst1q_u8(&output_ptr[j], vcombine_u8(out_lo, out_hi)); - } - // Next row... - src_ptr += src_pixels_per_line; - output_ptr += output_width; - } -} - -unsigned int vp9_sub_pixel_variance8x8_neon(const uint8_t *src, - int src_stride, - int xoffset, - int yoffset, - const uint8_t *dst, - int dst_stride, - unsigned int *sse) { - DECLARE_ALIGNED(16, uint8_t, temp2[8 * 8]); - DECLARE_ALIGNED(16, uint8_t, fdata3[9 * 8]); - - var_filter_block2d_bil_w8(src, fdata3, src_stride, 1, - 9, 8, - bilinear_filters[xoffset]); - var_filter_block2d_bil_w8(fdata3, temp2, 8, 8, 8, - 8, bilinear_filters[yoffset]); - return vpx_variance8x8_neon(temp2, 8, dst, dst_stride, sse); -} - -unsigned int vp9_sub_pixel_variance16x16_neon(const uint8_t *src, - int src_stride, - int xoffset, - int yoffset, - const uint8_t *dst, - int dst_stride, - unsigned int *sse) { - DECLARE_ALIGNED(16, uint8_t, temp2[16 * 16]); - DECLARE_ALIGNED(16, uint8_t, fdata3[17 * 16]); - - var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, - 17, 16, - bilinear_filters[xoffset]); - var_filter_block2d_bil_w16(fdata3, temp2, 16, 16, 16, - 16, bilinear_filters[yoffset]); - return vpx_variance16x16_neon(temp2, 16, dst, dst_stride, sse); -} - -unsigned int vp9_sub_pixel_variance32x32_neon(const uint8_t *src, - int src_stride, - int xoffset, - int yoffset, - const uint8_t *dst, - int dst_stride, - unsigned int *sse) { - DECLARE_ALIGNED(16, uint8_t, temp2[32 * 32]); - DECLARE_ALIGNED(16, uint8_t, fdata3[33 * 32]); - - var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, - 33, 32, - bilinear_filters[xoffset]); - var_filter_block2d_bil_w16(fdata3, temp2, 32, 32, 32, - 32, bilinear_filters[yoffset]); - return vpx_variance32x32_neon(temp2, 32, dst, dst_stride, sse); -} - -unsigned int vp9_sub_pixel_variance64x64_neon(const uint8_t *src, - int src_stride, - int xoffset, - int yoffset, - const uint8_t *dst, - int dst_stride, - unsigned int *sse) { - DECLARE_ALIGNED(16, uint8_t, temp2[64 * 64]); - DECLARE_ALIGNED(16, uint8_t, fdata3[65 * 64]); - - var_filter_block2d_bil_w16(src, fdata3, src_stride, 1, - 65, 64, - bilinear_filters[xoffset]); - var_filter_block2d_bil_w16(fdata3, temp2, 64, 64, 64, - 64, bilinear_filters[yoffset]); - return vpx_variance64x64_neon(temp2, 64, dst, dst_stride, sse); -} |