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-rw-r--r--vp8/encoder/variance_c.c589
1 files changed, 281 insertions, 308 deletions
diff --git a/vp8/encoder/variance_c.c b/vp8/encoder/variance_c.c
index 402ff0450..9444ed87d 100644
--- a/vp8/encoder/variance_c.c
+++ b/vp8/encoder/variance_c.c
@@ -15,148 +15,136 @@
unsigned int vp8_get_mb_ss_c
(
- const short *src_ptr
-)
-{
- unsigned int i = 0, sum = 0;
-
- do
- {
- sum += (src_ptr[i] * src_ptr[i]);
- i++;
- }
- while (i < 256);
+ const short *src_ptr
+) {
+ unsigned int i = 0, sum = 0;
+
+ do {
+ sum += (src_ptr[i] * src_ptr[i]);
+ i++;
+ } while (i < 256);
- return sum;
+ 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)
-{
- int i, j;
- int diff;
-
- *sum = 0;
- *sse = 0;
-
- for (i = 0; i < h; i++)
- {
- for (j = 0; j < w; j++)
- {
- diff = src_ptr[j] - ref_ptr[j];
- *sum += diff;
- *sse += diff * diff;
- }
-
- src_ptr += source_stride;
- ref_ptr += recon_stride;
+ 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;
+
+ *sum = 0;
+ *sse = 0;
+
+ for (i = 0; i < h; i++) {
+ for (j = 0; j < w; j++) {
+ diff = src_ptr[j] - ref_ptr[j];
+ *sum += diff;
+ *sse += diff * diff;
}
+
+ src_ptr += source_stride;
+ ref_ptr += recon_stride;
+ }
}
unsigned int vp8_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));
+ 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 vp8_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));
+ 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 vp8_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));
+ 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 vp8_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));
+ 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 vp8_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));
+ 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 vp8_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;
-
- variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
- *sse = var;
- return var;
+ 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;
}
@@ -190,32 +178,29 @@ unsigned int vp8_mse16x16_c(
****************************************************************************/
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++)
- {
- for (j = 0; j < output_width; j++)
- {
- // Apply bilinear filter
- output_ptr[j] = (((int)src_ptr[0] * vp8_filter[0]) +
- ((int)src_ptr[pixel_step] * vp8_filter[1]) +
- (VP8_FILTER_WEIGHT / 2)) >> VP8_FILTER_SHIFT;
- src_ptr++;
- }
-
- // Next row...
- src_ptr += src_pixels_per_line - output_width;
- output_ptr += output_width;
+ 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++) {
+ for (j = 0; j < output_width; j++) {
+ // Apply bilinear filter
+ output_ptr[j] = (((int)src_ptr[0] * vp8_filter[0]) +
+ ((int)src_ptr[pixel_step] * vp8_filter[1]) +
+ (VP8_FILTER_WEIGHT / 2)) >> VP8_FILTER_SHIFT;
+ src_ptr++;
}
+
+ // Next row...
+ src_ptr += src_pixels_per_line - output_width;
+ output_ptr += output_width;
+ }
}
/****************************************************************************
@@ -248,226 +233,214 @@ static void var_filter_block2d_bil_first_pass
****************************************************************************/
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;
-
- for (i = 0; i < output_height; i++)
- {
- for (j = 0; j < output_width; j++)
- {
- // Apply filter
- Temp = ((int)src_ptr[0] * vp8_filter[0]) +
- ((int)src_ptr[pixel_step] * vp8_filter[1]) +
- (VP8_FILTER_WEIGHT / 2);
- output_ptr[j] = (unsigned int)(Temp >> VP8_FILTER_SHIFT);
- src_ptr++;
- }
-
- // Next row...
- src_ptr += src_pixels_per_line - output_width;
- output_ptr += output_width;
+ 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;
+
+ for (i = 0; i < output_height; i++) {
+ for (j = 0; j < output_width; j++) {
+ // Apply filter
+ Temp = ((int)src_ptr[0] * vp8_filter[0]) +
+ ((int)src_ptr[pixel_step] * vp8_filter[1]) +
+ (VP8_FILTER_WEIGHT / 2);
+ output_ptr[j] = (unsigned int)(Temp >> VP8_FILTER_SHIFT);
+ src_ptr++;
}
+
+ // Next row...
+ src_ptr += src_pixels_per_line - output_width;
+ output_ptr += output_width;
+ }
}
unsigned int vp8_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
-
- HFilter = vp8_bilinear_filters[xoffset];
- VFilter = vp8_bilinear_filters[yoffset];
-
- // First filter 1d Horizontal
- var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 5, 4, HFilter);
-
- // Now filter Verticaly
- var_filter_block2d_bil_second_pass(FData3, temp2, 4, 4, 4, 4, VFilter);
-
- return vp8_variance4x4_c(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
+ 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
+
+ HFilter = vp8_bilinear_filters[xoffset];
+ VFilter = vp8_bilinear_filters[yoffset];
+
+ // First filter 1d Horizontal
+ var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 5, 4, HFilter);
+
+ // Now filter Verticaly
+ var_filter_block2d_bil_second_pass(FData3, temp2, 4, 4, 4, 4, VFilter);
+
+ return vp8_variance4x4_c(temp2, 4, dst_ptr, dst_pixels_per_line, sse);
}
unsigned int vp8_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;
-
- HFilter = vp8_bilinear_filters[xoffset];
- VFilter = vp8_bilinear_filters[yoffset];
-
- var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 8, HFilter);
- var_filter_block2d_bil_second_pass(FData3, temp2, 8, 8, 8, 8, VFilter);
-
- return vp8_variance8x8_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
+ 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;
+
+ HFilter = vp8_bilinear_filters[xoffset];
+ VFilter = vp8_bilinear_filters[yoffset];
+
+ var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 8, HFilter);
+ var_filter_block2d_bil_second_pass(FData3, temp2, 8, 8, 8, 8, VFilter);
+
+ return vp8_variance8x8_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
}
unsigned int vp8_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;
-
- 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, 16, HFilter);
- var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 16, 16, VFilter);
-
- return vp8_variance16x16_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+ 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;
+
+ 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, 16, HFilter);
+ var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 16, 16, VFilter);
+
+ return vp8_variance16x16_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
}
unsigned int vp8_variance_halfpixvar16x16_h_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse)
-{
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
#if CONFIG_SIXTEENTH_SUBPEL_UV
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 0,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 0,
+ ref_ptr, recon_stride, sse);
#else
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 4, 0,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 4, 0,
+ ref_ptr, recon_stride, sse);
#endif
}
unsigned int vp8_variance_halfpixvar16x16_v_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse)
-{
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
#if CONFIG_SIXTEENTH_SUBPEL_UV
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 0, 8,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 0, 8,
+ ref_ptr, recon_stride, sse);
#else
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 0, 4,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 0, 4,
+ ref_ptr, recon_stride, sse);
#endif
}
unsigned int vp8_variance_halfpixvar16x16_hv_c(
- const unsigned char *src_ptr,
- int source_stride,
- const unsigned char *ref_ptr,
- int recon_stride,
- unsigned int *sse)
-{
+ const unsigned char *src_ptr,
+ int source_stride,
+ const unsigned char *ref_ptr,
+ int recon_stride,
+ unsigned int *sse) {
#if CONFIG_SIXTEENTH_SUBPEL_UV
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 8,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 8, 8,
+ ref_ptr, recon_stride, sse);
#else
- return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 4, 4,
- ref_ptr, recon_stride, sse);
+ return vp8_sub_pixel_variance16x16_c(src_ptr, source_stride, 4, 4,
+ ref_ptr, recon_stride, sse);
#endif
}
unsigned int vp8_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
-)
-{
- vp8_sub_pixel_variance16x16_c(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
- return *sse;
+ 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
+) {
+ vp8_sub_pixel_variance16x16_c(src_ptr, src_pixels_per_line, xoffset, yoffset, dst_ptr, dst_pixels_per_line, sse);
+ return *sse;
}
unsigned int vp8_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;
-
- HFilter = vp8_bilinear_filters[xoffset];
- VFilter = vp8_bilinear_filters[yoffset];
-
- var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 16, HFilter);
- var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 8, 16, VFilter);
-
- return vp8_variance16x8_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
+ 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;
+
+ HFilter = vp8_bilinear_filters[xoffset];
+ VFilter = vp8_bilinear_filters[yoffset];
+
+ var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 16, HFilter);
+ var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 8, 16, VFilter);
+
+ return vp8_variance16x8_c(temp2, 16, dst_ptr, dst_pixels_per_line, sse);
}
unsigned int vp8_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;
+ 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];
+ 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_second_pass(FData3, temp2, 8, 8, 16, 8, VFilter);
+ 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 vp8_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
+ return vp8_variance8x16_c(temp2, 8, dst_ptr, dst_pixels_per_line, sse);
}
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