diff options
Diffstat (limited to 'vp9/encoder')
| -rw-r--r-- | vp9/encoder/vp9_temporal_filter.c | 111 |
1 files changed, 66 insertions, 45 deletions
diff --git a/vp9/encoder/vp9_temporal_filter.c b/vp9/encoder/vp9_temporal_filter.c index 7e4c61fbc..015dbc0ca 100644 --- a/vp9/encoder/vp9_temporal_filter.c +++ b/vp9/encoder/vp9_temporal_filter.c @@ -205,15 +205,34 @@ void vp9_highbd_temporal_filter_apply_c(uint8_t *frame1_8, 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++; - - 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; + int pixel_value = *frame2; + int diff_sse[9] = { 0 }; + int idx, idy, index = 0; + + 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 @@ static void temporal_filter_iterate_c(VP9_COMP *cpi, 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 } } |