ref: d3c972403a6c30d360a26283d8a9a847d04afd09
parent: ece4fd5d2247c9512b31a93dd593de567beaf928
author: Jingning Han <[email protected]>
date: Wed Dec 9 08:43:27 EST 2015
Sync high bit-depth temporal filter Change-Id: Ifdcfb91416be8189569f703bee9be253d7b3d9b6
--- a/vp9/encoder/vp9_temporal_filter.c
+++ b/vp9/encoder/vp9_temporal_filter.c
@@ -205,15 +205,34 @@
for (i = 0, k = 0; i < block_height; i++) {
for (j = 0; j < block_width; j++, k++) {
- int src_byte = frame1[byte];
- int pixel_value = *frame2++;
+ int pixel_value = *frame2;
+ int diff_sse[9] = { 0 };
+ int idx, idy, index = 0;
- modifier = src_byte - pixel_value;
- // This is an integer approximation of:
- // float coeff = (3.0 * modifer * modifier) / pow(2, strength);
- // modifier = (int)roundf(coeff > 16 ? 0 : 16-coeff);
- modifier *= modifier;
+ for (idy = -1; idy <= 1; ++idy) {
+ for (idx = -1; idx <= 1; ++idx) {
+ int row = i + idy;
+ int col = j + idx;
+
+ if (row >= 0 && row < (int)block_height &&
+ col >= 0 && col < (int)block_width) {
+ int diff = frame1[byte + idy * (int)stride + idx] -
+ frame2[idy * (int)block_width + idx];
+ diff_sse[index] = diff * diff;
+ ++index;
+ }
+ }
+ }
+ assert(index > 0);
+
+ modifier = 0;
+ for (idx = 0; idx < 9; ++idx)
+ modifier += diff_sse[idx];
+
modifier *= 3;
+ modifier /= index;
+
+ ++frame2;
modifier += rounding;
modifier >>= strength;
@@ -406,56 +425,58 @@
if (mbd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
int adj_strength = strength + 2 * (mbd->bd - 8);
// Apply the filter (YUV)
- vp9_highbd_temporal_filter_apply(f->y_buffer + mb_y_offset,
- f->y_stride,
- predictor, 16, 16, adj_strength,
- filter_weight,
- accumulator, count);
- vp9_highbd_temporal_filter_apply(f->u_buffer + mb_uv_offset,
- f->uv_stride, predictor + 256,
- mb_uv_width, mb_uv_height,
- adj_strength,
- filter_weight, accumulator + 256,
- count + 256);
- vp9_highbd_temporal_filter_apply(f->v_buffer + mb_uv_offset,
- f->uv_stride, predictor + 512,
- mb_uv_width, mb_uv_height,
- adj_strength, filter_weight,
- accumulator + 512, count + 512);
+ vp9_highbd_temporal_filter_apply_c(f->y_buffer + mb_y_offset,
+ f->y_stride,
+ predictor, 16, 16, adj_strength,
+ filter_weight,
+ accumulator, count);
+ vp9_highbd_temporal_filter_apply_c(f->u_buffer + mb_uv_offset,
+ f->uv_stride, predictor + 256,
+ mb_uv_width, mb_uv_height,
+ adj_strength,
+ filter_weight, accumulator + 256,
+ count + 256);
+ vp9_highbd_temporal_filter_apply_c(f->v_buffer + mb_uv_offset,
+ f->uv_stride, predictor + 512,
+ mb_uv_width, mb_uv_height,
+ adj_strength, filter_weight,
+ accumulator + 512, count + 512);
} else {
// Apply the filter (YUV)
- vp9_temporal_filter_apply(f->y_buffer + mb_y_offset, f->y_stride,
+ vp9_temporal_filter_apply_c(f->y_buffer + mb_y_offset, f->y_stride,
+ predictor, 16, 16,
+ strength, filter_weight,
+ accumulator, count);
+ vp9_temporal_filter_apply_c(f->u_buffer + mb_uv_offset,
+ f->uv_stride,
+ predictor + 256,
+ mb_uv_width, mb_uv_height, strength,
+ filter_weight, accumulator + 256,
+ count + 256);
+ vp9_temporal_filter_apply_c(f->v_buffer + mb_uv_offset,
+ f->uv_stride,
+ predictor + 512,
+ mb_uv_width, mb_uv_height, strength,
+ filter_weight, accumulator + 512,
+ count + 512);
+ }
+#else
+ // Apply the filter (YUV)
+ // TODO(jingning): Need SIMD optimization for this.
+ vp9_temporal_filter_apply_c(f->y_buffer + mb_y_offset, f->y_stride,
predictor, 16, 16,
strength, filter_weight,
accumulator, count);
- vp9_temporal_filter_apply(f->u_buffer + mb_uv_offset, f->uv_stride,
+ vp9_temporal_filter_apply_c(f->u_buffer + mb_uv_offset, f->uv_stride,
predictor + 256,
mb_uv_width, mb_uv_height, strength,
filter_weight, accumulator + 256,
count + 256);
- vp9_temporal_filter_apply(f->v_buffer + mb_uv_offset, f->uv_stride,
+ vp9_temporal_filter_apply_c(f->v_buffer + mb_uv_offset, f->uv_stride,
predictor + 512,
mb_uv_width, mb_uv_height, strength,
filter_weight, accumulator + 512,
count + 512);
- }
-#else
- // Apply the filter (YUV)
- // TODO(jingning): Need SIMD optimization for this.
- vp9_temporal_filter_apply_c(f->y_buffer + mb_y_offset, f->y_stride,
- predictor, 16, 16,
- strength, filter_weight,
- accumulator, count);
- vp9_temporal_filter_apply_c(f->u_buffer + mb_uv_offset, f->uv_stride,
- predictor + 256,
- mb_uv_width, mb_uv_height, strength,
- filter_weight, accumulator + 256,
- count + 256);
- vp9_temporal_filter_apply_c(f->v_buffer + mb_uv_offset, f->uv_stride,
- predictor + 512,
- mb_uv_width, mb_uv_height, strength,
- filter_weight, accumulator + 512,
- count + 512);
#endif // CONFIG_VP9_HIGHBITDEPTH
}
}