diff options
Diffstat (limited to 'media/libvpx/vp8/common/arm/variance_arm.c')
| -rw-r--r-- | media/libvpx/vp8/common/arm/variance_arm.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/arm/variance_arm.c b/media/libvpx/vp8/common/arm/variance_arm.c new file mode 100644 index 000000000..0f293f03d --- /dev/null +++ b/media/libvpx/vp8/common/arm/variance_arm.c @@ -0,0 +1,137 @@ +/* + * 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 "./vp8_rtcd.h" +#include "./vpx_dsp_rtcd.h" +#include "vp8/common/variance.h" +#include "vp8/common/filter.h" + +// TODO(johannkoenig): Move this to vpx_dsp or vp8/encoder +#if CONFIG_VP8_ENCODER + +#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 vpx_variance8x8_media(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 = vpx_variance16x16_media(second_pass, 16, dst_ptr, + dst_pixels_per_line, sse); + } + return var; +} + +#endif // HAVE_MEDIA + + +#if HAVE_NEON + +extern unsigned int vp8_sub_pixel_variance16x16_neon_func +( + 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 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 // HAVE_NEON +#endif // CONFIG_VP8_ENCODER |