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-rw-r--r--vp8/encoder/variance_c.c339
1 files changed, 146 insertions, 193 deletions
diff --git a/vp8/encoder/variance_c.c b/vp8/encoder/variance_c.c
index 3a093b7d0..2684df7b2 100644
--- a/vp8/encoder/variance_c.c
+++ b/vp8/encoder/variance_c.c
@@ -13,30 +13,25 @@
#include "vp8/common/filter.h"
-unsigned int vp9_get_mb_ss_c
-(
- const short *src_ptr
-) {
- unsigned int i = 0, sum = 0;
+unsigned int vp9_get_mb_ss_c(const short *src_ptr) {
+ unsigned int i, sum = 0;
- do {
+ for (i = 0; i < 256; i++) {
sum += (src_ptr[i] * src_ptr[i]);
- i++;
- } while (i < 256);
+ }
return sum;
}
-static void variance(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- int w,
- int h,
- unsigned int *sse,
- int *sum) {
+static void variance(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ int w,
+ int h,
+ unsigned int *sse,
+ int *sum) {
int i, j;
int diff;
@@ -70,89 +65,78 @@ unsigned int vp9_variance32x32_c(const unsigned char *src_ptr,
}
#endif
-unsigned int vp9_variance16x16_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance16x16_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
-
variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 8));
}
-unsigned int vp9_variance8x16_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance8x16_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
-
variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 7));
}
-unsigned int vp9_variance16x8_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance16x8_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
-
variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 7));
}
-unsigned int vp9_variance8x8_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance8x8_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
-
variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 6));
}
-unsigned int vp9_variance4x4_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance4x4_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
-
variance(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4, &var, &avg);
*sse = var;
return (var - ((avg * avg) >> 4));
}
-unsigned int vp9_mse16x16_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_mse16x16_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
@@ -190,16 +174,13 @@ unsigned int vp9_mse16x16_c(
* to the next.
*
****************************************************************************/
-static void var_filter_block2d_bil_first_pass
-(
- const unsigned char *src_ptr,
- unsigned short *output_ptr,
- unsigned int src_pixels_per_line,
- int pixel_step,
- unsigned int output_height,
- unsigned int output_width,
- const short *vp8_filter
-) {
+static void var_filter_block2d_bil_first_pass(const unsigned char *src_ptr,
+ unsigned short *output_ptr,
+ unsigned int src_pixels_per_line,
+ int pixel_step,
+ unsigned int output_height,
+ unsigned int output_width,
+ const short *vp8_filter) {
unsigned int i, j;
for (i = 0; i < output_height; i++) {
@@ -245,16 +226,13 @@ static void var_filter_block2d_bil_first_pass
* to the next.
*
****************************************************************************/
-static void var_filter_block2d_bil_second_pass
-(
- const unsigned short *src_ptr,
- unsigned char *output_ptr,
- unsigned int src_pixels_per_line,
- unsigned int pixel_step,
- unsigned int output_height,
- unsigned int output_width,
- const short *vp8_filter
-) {
+static void var_filter_block2d_bil_second_pass(const unsigned short *src_ptr,
+ unsigned char *output_ptr,
+ unsigned int src_pixels_per_line,
+ unsigned int pixel_step,
+ unsigned int output_height,
+ unsigned int output_width,
+ const short *vp8_filter) {
unsigned int i, j;
int Temp;
@@ -275,16 +253,13 @@ static void var_filter_block2d_bil_second_pass
}
-unsigned int vp9_sub_pixel_variance4x4_c
-(
- 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 vp9_sub_pixel_variance4x4_c(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 char temp2[20 * 16];
const short *HFilter, *VFilter;
unsigned short FData3[5 * 4]; // Temp data bufffer used in filtering
@@ -302,16 +277,13 @@ unsigned int vp9_sub_pixel_variance4x4_c
}
-unsigned int vp9_sub_pixel_variance8x8_c
-(
- 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 vp9_sub_pixel_variance8x8_c(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 FData3[9 * 8]; // Temp data bufffer used in filtering
unsigned char temp2[20 * 16];
const short *HFilter, *VFilter;
@@ -325,16 +297,13 @@ unsigned int vp9_sub_pixel_variance8x8_c
return vp9_variance8x8_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
}
-unsigned int vp9_sub_pixel_variance16x16_c
-(
- 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 vp9_sub_pixel_variance16x16_c(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 FData3[17 * 16]; // Temp data bufffer used in filtering
unsigned char temp2[20 * 16];
const short *HFilter, *VFilter;
@@ -370,12 +339,11 @@ unsigned int vp9_sub_pixel_variance32x32_c(const unsigned char *src_ptr,
}
#endif
-unsigned int vp9_variance_halfpixvar16x16_h_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance_halfpixvar16x16_h_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
return vp9_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 0,
ref_ptr, recon_stride, sse);
}
@@ -402,23 +370,21 @@ unsigned int vp9_variance_halfpixvar16x16_v_c(const unsigned char *src_ptr,
}
#if CONFIG_SUPERBLOCKS
-unsigned int vp9_variance_halfpixvar32x32_v_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance_halfpixvar32x32_v_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
return vp9_sub_pixel_variance32x32_c(src_ptr, source_stride, 0, 8,
ref_ptr, recon_stride, sse);
}
#endif
-unsigned int vp9_variance_halfpixvar16x16_hv_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse) {
+unsigned int vp9_variance_halfpixvar16x16_hv_c(const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
return vp9_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 8,
ref_ptr, recon_stride, sse);
}
@@ -434,17 +400,16 @@ unsigned int vp9_variance_halfpixvar32x32_hv_c(const unsigned char *src_ptr,
}
#endif
-unsigned int vp9_sub_pixel_mse16x16_c
-(
- 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
-) {
- vp9_sub_pixel_variance16x16_c(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
+unsigned int vp9_sub_pixel_mse16x16_c(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) {
+ vp9_sub_pixel_variance16x16_c(src_ptr, src_pixels_per_line,
+ xoffset, yoffset, dst_ptr,
+ dst_pixels_per_line, sse);
return *sse;
}
@@ -456,21 +421,20 @@ unsigned int vp9_sub_pixel_mse32x32_c(const unsigned char *src_ptr,
const unsigned char *dst_ptr,
int dst_pixels_per_line,
unsigned int *sse) {
- vp9_sub_pixel_variance32x32_c(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
+ vp9_sub_pixel_variance32x32_c(src_ptr, src_pixels_per_line,
+ xoffset, yoffset, dst_ptr,
+ dst_pixels_per_line, sse);
return *sse;
}
#endif
-unsigned int vp9_sub_pixel_variance16x8_c
-(
- 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 vp9_sub_pixel_variance16x8_c(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 FData3[16 * 9]; // Temp data bufffer used in filtering
unsigned char temp2[20 * 16];
const short *HFilter, *VFilter;
@@ -484,37 +448,33 @@ unsigned int vp9_sub_pixel_variance16x8_c
return vp9_variance16x8_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
}
-unsigned int vp9_sub_pixel_variance8x16_c
-(
- 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 vp9_sub_pixel_variance8x16_c(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 FData3[9 * 16]; // Temp data bufffer used in filtering
unsigned char temp2[20 * 16];
const short *HFilter, *VFilter;
-
HFilter = vp8_bilinear_filters[xoffset];
VFilter = vp8_bilinear_filters[yoffset];
-
- var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 17, 8, HFilter);
+ var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line,
+ 1, 17, 8, HFilter);
var_filter_block2d_bil_second_pass(FData3, temp2, 8, 8, 16, 8, VFilter);
return vp9_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
}
+
#if CONFIG_NEWBESTREFMV
-unsigned int vp8_variance2x16_c(
- const unsigned char *src_ptr,
- const int source_stride,
- const unsigned char *ref_ptr,
- const int recon_stride,
- unsigned int *sse) {
+unsigned int vp8_variance2x16_c(const unsigned char *src_ptr,
+ const int source_stride,
+ const unsigned char *ref_ptr,
+ const int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
@@ -523,12 +483,11 @@ unsigned int vp8_variance2x16_c(
return (var - ((avg * avg) >> 5));
}
-unsigned int vp8_variance16x2_c(
- const unsigned char *src_ptr,
- const int source_stride,
- const unsigned char *ref_ptr,
- const int recon_stride,
- unsigned int *sse) {
+unsigned int vp8_variance16x2_c(const unsigned char *src_ptr,
+ const int source_stride,
+ const unsigned char *ref_ptr,
+ const int recon_stride,
+ unsigned int *sse) {
unsigned int var;
int avg;
@@ -537,16 +496,13 @@ unsigned int vp8_variance16x2_c(
return (var - ((avg * avg) >> 5));
}
-unsigned int vp8_sub_pixel_variance16x2_c
-(
- const unsigned char *src_ptr,
- const int src_pixels_per_line,
- const int xoffset,
- const int yoffset,
- const unsigned char *dst_ptr,
- const int dst_pixels_per_line,
- unsigned int *sse
-) {
+unsigned int vp8_sub_pixel_variance16x2_c(const unsigned char *src_ptr,
+ const int src_pixels_per_line,
+ const int xoffset,
+ const int yoffset,
+ const unsigned char *dst_ptr,
+ const int dst_pixels_per_line,
+ unsigned int *sse) {
unsigned short FData3[16 * 3]; // Temp data bufffer used in filtering
unsigned char temp2[20 * 16];
const short *HFilter, *VFilter;
@@ -561,16 +517,13 @@ unsigned int vp8_sub_pixel_variance16x2_c
return vp8_variance16x2_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
}
-unsigned int vp8_sub_pixel_variance2x16_c
-(
- const unsigned char *src_ptr,
- const int src_pixels_per_line,
- const int xoffset,
- const int yoffset,
- const unsigned char *dst_ptr,
- const int dst_pixels_per_line,
- unsigned int *sse
-) {
+unsigned int vp8_sub_pixel_variance2x16_c(const unsigned char *src_ptr,
+ const int src_pixels_per_line,
+ const int xoffset,
+ const int yoffset,
+ const unsigned char *dst_ptr,
+ const int dst_pixels_per_line,
+ unsigned int *sse) {
unsigned short FData3[2 * 17]; // Temp data bufffer used in filtering
unsigned char temp2[2 * 16];
const short *HFilter, *VFilter;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-10 17:11:12 +0000