diff options
Diffstat (limited to 'vp9/encoder/vp9_encodeframe.c')
| -rw-r--r-- | vp9/encoder/vp9_encodeframe.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c index c52e4f31e..d924c6354 100644 --- a/vp9/encoder/vp9_encodeframe.c +++ b/vp9/encoder/vp9_encodeframe.c @@ -1565,6 +1565,42 @@ static void set_source_var_based_partition(VP9_COMP *cpi, } } +static int is_background(VP9_COMP *cpi, const TileInfo *const tile, + int mi_row, int mi_col) { + MACROBLOCK *const x = &cpi->mb; + uint8_t *src, *pre; + int src_stride, pre_stride; + + const int row8x8_remaining = tile->mi_row_end - mi_row; + const int col8x8_remaining = tile->mi_col_end - mi_col; + + int this_sad = 0; + int threshold = 0; + + vp9_setup_src_planes(x, cpi->Source, mi_row, mi_col); + src_stride = x->plane[0].src.stride; + src = x->plane[0].src.buf; + pre_stride = cpi->Last_Source->y_stride; + pre = cpi->Last_Source->y_buffer + (mi_row * MI_SIZE) * pre_stride + + (mi_col * MI_SIZE); + + if (row8x8_remaining >= MI_BLOCK_SIZE && + col8x8_remaining >= MI_BLOCK_SIZE) { + this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride, + pre, pre_stride, 0x7fffffff); + threshold = (1 << 12); + } else { + int r, c; + for (r = 0; r < row8x8_remaining; r += 2) + for (c = 0; c < col8x8_remaining; c += 2) + this_sad += cpi->fn_ptr[BLOCK_16X16].sdf(src, src_stride, pre, + pre_stride, 0x7fffffff); + threshold = (row8x8_remaining * col8x8_remaining) << 6; + } + + return (this_sad < 2 * threshold); +} + static int sb_has_motion(const VP9_COMMON *cm, MODE_INFO **prev_mi_8x8) { const int mis = cm->mi_stride; int block_row, block_col; @@ -3216,7 +3252,8 @@ static void encode_nonrd_sb_row(VP9_COMP *cpi, const TileInfo *const tile, 1, &dummy_rate, &dummy_dist); break; case REFERENCE_PARTITION: - if (cpi->sf.partition_check || sb_has_motion(cm, prev_mi_8x8)) { + if (cpi->sf.partition_check || + !is_background(cpi, tile, mi_row, mi_col)) { nonrd_pick_partition(cpi, tile, tp, mi_row, mi_col, BLOCK_64X64, &dummy_rate, &dummy_dist, 1, INT64_MAX); } else { |