1ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang/* 2ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * 4ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * Use of this source code is governed by a BSD-style license 5ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * that can be found in the LICENSE file in the root of the source 6ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * tree. An additional intellectual property rights grant can be found 7ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * in the file PATENTS. All contributing project authors may 8ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * be found in the AUTHORS file in the root of the source tree. 9ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang */ 10ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 11ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include <limits.h> 12ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 135ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vpx_mem/vpx_mem.h" 145ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/encoder/vp9_rdopt.h" 155ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/encoder/vp9_segmentation.h" 165ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/encoder/vp9_mcomp.h" 175ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/common/vp9_blockd.h" 185ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/common/vp9_reconinter.h" 195ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/common/vp9_reconintra.h" 205ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang#include "vp9/common/vp9_systemdependent.h" 215ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 225ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 23ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 24ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic unsigned int do_16x16_motion_iteration(VP9_COMP *cpi, 25b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian const MV *ref_mv, 26b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian MV *dst_mv, 27ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_row, 28ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_col) { 29ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 30ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 31ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang vp9_variance_fn_ptr_t v_fn_ptr = cpi->fn_ptr[BLOCK_16X16]; 32ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 33ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang const int tmp_col_min = x->mv_col_min; 34ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang const int tmp_col_max = x->mv_col_max; 35ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang const int tmp_row_min = x->mv_row_min; 36ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang const int tmp_row_max = x->mv_row_max; 37b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian MV ref_full; 38ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 39ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Further step/diamond searches as necessary 4091037db265ecdd914a26e056cf69207b4f50924ehkuang int step_param = cpi->sf.reduce_first_step_size + 41ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang (cpi->speed < 8 ? (cpi->speed > 5 ? 1 : 0) : 2); 4291037db265ecdd914a26e056cf69207b4f50924ehkuang step_param = MIN(step_param, (cpi->sf.max_step_search_steps - 2)); 43ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 44b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vp9_set_mv_search_range(x, ref_mv); 45ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 46b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ref_full.col = ref_mv->col >> 3; 47b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ref_full.row = ref_mv->row >> 3; 48ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 49ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang /*cpi->sf.search_method == HEX*/ 50b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vp9_hex_search(x, &ref_full, step_param, x->errorperbit, 0, &v_fn_ptr, 0, 51b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian ref_mv, dst_mv); 52ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 53ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Try sub-pixel MC 54ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // if (bestsme > error_thresh && bestsme < INT_MAX) 55ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang { 56ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int distortion; 57ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int sse; 58b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian cpi->find_fractional_mv_step( 59b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian x, dst_mv, ref_mv, cpi->common.allow_high_precision_mv, x->errorperbit, 60b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian &v_fn_ptr, 0, cpi->sf.subpel_iters_per_step, NULL, NULL, &distortion, 61b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian &sse); 62ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 63ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 646ac915abcdb404a00d927fe6308a47fcf09d9519hkuang xd->mi[0]->mbmi.mode = NEWMV; 656ac915abcdb404a00d927fe6308a47fcf09d9519hkuang xd->mi[0]->mbmi.mv[0].as_mv = *dst_mv; 66b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 67f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vp9_build_inter_predictors_sby(xd, mb_row, mb_col, BLOCK_16X16); 68ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 69ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang /* restore UMV window */ 70ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_col_min = tmp_col_min; 71ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_col_max = tmp_col_max; 72ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_row_min = tmp_row_min; 73ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_row_max = tmp_row_max; 74ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 75b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian return vp9_sad16x16(x->plane[0].src.buf, x->plane[0].src.stride, 76b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian xd->plane[0].dst.buf, xd->plane[0].dst.stride, 77b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian INT_MAX); 78ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 79ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 80b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanianstatic int do_16x16_motion_search(VP9_COMP *cpi, const int_mv *ref_mv, 81b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian int_mv *dst_mv, int mb_row, int mb_col) { 82ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 83ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 84ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int err, tmp_err; 85ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int_mv tmp_mv; 86ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 87ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Try zero MV first 88ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // FIXME should really use something like near/nearest MV and/or MV prediction 89ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang err = vp9_sad16x16(x->plane[0].src.buf, x->plane[0].src.stride, 90ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].buf, xd->plane[0].pre[0].stride, 91ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang INT_MAX); 92ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang dst_mv->as_int = 0; 93ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 94ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Test last reference frame using the previous best mv as the 95ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // starting point (best reference) for the search 96b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian tmp_err = do_16x16_motion_iteration(cpi, &ref_mv->as_mv, &tmp_mv.as_mv, 97b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian mb_row, mb_col); 98ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (tmp_err < err) { 99ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang err = tmp_err; 100ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang dst_mv->as_int = tmp_mv.as_int; 101ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 102ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 1035ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // If the current best reference mv is not centered on 0,0 then do a 0,0 1045ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // based search as well. 105ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (ref_mv->as_int) { 106ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int tmp_err; 107ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int_mv zero_ref_mv, tmp_mv; 108ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 109ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang zero_ref_mv.as_int = 0; 110b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian tmp_err = do_16x16_motion_iteration(cpi, &zero_ref_mv.as_mv, &tmp_mv.as_mv, 111ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mb_row, mb_col); 112ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (tmp_err < err) { 113ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang dst_mv->as_int = tmp_mv.as_int; 114ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang err = tmp_err; 115ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 116ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 117ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 118ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return err; 119ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 120ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 121f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangstatic int do_16x16_zerozero_search(VP9_COMP *cpi, int_mv *dst_mv) { 122ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 123ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 124ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int err; 125ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 126ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Try zero MV first 127ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // FIXME should really use something like near/nearest MV and/or MV prediction 128ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang err = vp9_sad16x16(x->plane[0].src.buf, x->plane[0].src.stride, 129ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].buf, xd->plane[0].pre[0].stride, 130ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang INT_MAX); 131ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 132ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang dst_mv->as_int = 0; 133ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 134ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return err; 135ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 136ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic int find_best_16x16_intra(VP9_COMP *cpi, 137ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MB_PREDICTION_MODE *pbest_mode) { 138ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 139ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 140ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MB_PREDICTION_MODE best_mode = -1, mode; 141ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int best_err = INT_MAX; 142ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 143ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // calculate SATD for each intra prediction mode; 144ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // we're intentionally not doing 4x4, we just want a rough estimate 145ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (mode = DC_PRED; mode <= TM_PRED; mode++) { 146ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang unsigned int err; 147ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 1486ac915abcdb404a00d927fe6308a47fcf09d9519hkuang xd->mi[0]->mbmi.mode = mode; 14991037db265ecdd914a26e056cf69207b4f50924ehkuang vp9_predict_intra_block(xd, 0, 2, TX_16X16, mode, 15091037db265ecdd914a26e056cf69207b4f50924ehkuang x->plane[0].src.buf, x->plane[0].src.stride, 151b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian xd->plane[0].dst.buf, xd->plane[0].dst.stride, 152b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 0, 0, 0); 153ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang err = vp9_sad16x16(x->plane[0].src.buf, x->plane[0].src.stride, 154ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].dst.buf, xd->plane[0].dst.stride, best_err); 155ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 156ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // find best 157ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (err < best_err) { 158ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang best_err = err; 159ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang best_mode = mode; 160ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 161ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 162ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 163ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (pbest_mode) 164ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang *pbest_mode = best_mode; 165ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 166ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return best_err; 167ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 168ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 169ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic void update_mbgraph_mb_stats 170ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang( 171ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang VP9_COMP *cpi, 172ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_MB_STATS *stats, 173ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *buf, 174ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_y_offset, 175ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *golden_ref, 176ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int_mv *prev_golden_ref_mv, 177ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *alt_ref, 178ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_row, 179ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_col 180ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang) { 181ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 182ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 183ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int intra_error; 184ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang VP9_COMMON *cm = &cpi->common; 185ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 186ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // FIXME in practice we're completely ignoring chroma here 187ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->plane[0].src.buf = buf->y_buffer + mb_y_offset; 188ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->plane[0].src.stride = buf->y_stride; 189ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 1905ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->plane[0].dst.buf = get_frame_new_buffer(cm)->y_buffer + mb_y_offset; 1915ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->plane[0].dst.stride = get_frame_new_buffer(cm)->y_stride; 192ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 193ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // do intra 16x16 prediction 194b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian intra_error = find_best_16x16_intra(cpi, 195ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang &stats->ref[INTRA_FRAME].m.mode); 196ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (intra_error <= 0) 197ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang intra_error = 1; 198ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[INTRA_FRAME].err = intra_error; 199ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 200ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Golden frame MV search, if it exists and is different than last frame 201ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (golden_ref) { 202ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int g_motion_error; 203ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].buf = golden_ref->y_buffer + mb_y_offset; 204ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].stride = golden_ref->y_stride; 205ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang g_motion_error = do_16x16_motion_search(cpi, 206ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang prev_golden_ref_mv, 207ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang &stats->ref[GOLDEN_FRAME].m.mv, 208ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mb_row, mb_col); 209ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[GOLDEN_FRAME].err = g_motion_error; 210ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } else { 211ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[GOLDEN_FRAME].err = INT_MAX; 212ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[GOLDEN_FRAME].m.mv.as_int = 0; 213ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 214ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 2155ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Do an Alt-ref frame MV search, if it exists and is different than 2165ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // last/golden frame. 217ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (alt_ref) { 218ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int a_motion_error; 219ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].buf = alt_ref->y_buffer + mb_y_offset; 220ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].stride = alt_ref->y_stride; 221ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang a_motion_error = do_16x16_zerozero_search(cpi, 222f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang &stats->ref[ALTREF_FRAME].m.mv); 223ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 224ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[ALTREF_FRAME].err = a_motion_error; 225ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } else { 226ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[ALTREF_FRAME].err = INT_MAX; 227ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang stats->ref[ALTREF_FRAME].m.mv.as_int = 0; 228ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 229ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 230ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 231ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic void update_mbgraph_frame_stats(VP9_COMP *cpi, 232ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_FRAME_STATS *stats, 233ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *buf, 234ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *golden_ref, 235ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang YV12_BUFFER_CONFIG *alt_ref) { 236ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCK *const x = &cpi->mb; 237ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MACROBLOCKD *const xd = &x->e_mbd; 238ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang VP9_COMMON *const cm = &cpi->common; 239ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 240ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_col, mb_row, offset = 0; 241ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_y_offset = 0, arf_y_offset = 0, gld_y_offset = 0; 242ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int_mv arf_top_mv, gld_top_mv; 2431184aebb761cbeac9124c37189a80a1a58f04b6bhkuang MODE_INFO mi_local = { { 0 } }; 244ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 2455ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Set up limit values for motion vectors to prevent them extending outside 2465ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // the UMV borders. 247ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_top_mv.as_int = 0; 248ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_top_mv.as_int = 0; 2495ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang x->mv_row_min = -BORDER_MV_PIXELS_B16; 2505ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang x->mv_row_max = (cm->mb_rows - 1) * 8 + BORDER_MV_PIXELS_B16; 251ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->up_available = 0; 252ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].dst.stride = buf->y_stride; 253ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[0].pre[0].stride = buf->y_stride; 254ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->plane[1].dst.stride = buf->uv_stride; 2556ac915abcdb404a00d927fe6308a47fcf09d9519hkuang xd->mi[0] = &mi_local; 256f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi_local.mbmi.sb_type = BLOCK_16X16; 257ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mi_local.mbmi.ref_frame[0] = LAST_FRAME; 258ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mi_local.mbmi.ref_frame[1] = NONE; 259ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 260ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) { 261ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int_mv arf_left_mv, gld_left_mv; 262ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_y_in_offset = mb_y_offset; 263ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int arf_y_in_offset = arf_y_offset; 264ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int gld_y_in_offset = gld_y_offset; 265ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 2665ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // Set up limit values for motion vectors to prevent them extending outside 2675ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // the UMV borders. 268ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_left_mv.as_int = arf_top_mv.as_int; 269ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_left_mv.as_int = gld_top_mv.as_int; 2705ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang x->mv_col_min = -BORDER_MV_PIXELS_B16; 2715ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang x->mv_col_max = (cm->mb_cols - 1) * 8 + BORDER_MV_PIXELS_B16; 272ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->left_available = 0; 273ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 274ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) { 275ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_MB_STATS *mb_stats = &stats->mb_stats[offset + mb_col]; 276ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 277ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang update_mbgraph_mb_stats(cpi, mb_stats, buf, mb_y_in_offset, 278b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian golden_ref, &gld_left_mv, alt_ref, 279ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mb_row, mb_col); 280ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_left_mv.as_int = mb_stats->ref[ALTREF_FRAME].m.mv.as_int; 281ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_left_mv.as_int = mb_stats->ref[GOLDEN_FRAME].m.mv.as_int; 282ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (mb_col == 0) { 283ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_top_mv.as_int = arf_left_mv.as_int; 284ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_top_mv.as_int = gld_left_mv.as_int; 285ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 286ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->left_available = 1; 287ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mb_y_in_offset += 16; 288ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_y_in_offset += 16; 289ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_y_in_offset += 16; 290ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_col_min -= 16; 291ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_col_max -= 16; 292ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 293ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang xd->up_available = 1; 294ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang mb_y_offset += buf->y_stride * 16; 295ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang gld_y_offset += golden_ref->y_stride * 16; 296ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (alt_ref) 297ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_y_offset += alt_ref->y_stride * 16; 298ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_row_min -= 16; 299ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang x->mv_row_max -= 16; 300ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang offset += cm->mb_cols; 301ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 302ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 303ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 304ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang// void separate_arf_mbs_byzz 305ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic void separate_arf_mbs(VP9_COMP *cpi) { 306ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang VP9_COMMON *const cm = &cpi->common; 307ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int mb_col, mb_row, offset, i; 3085ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang int mi_row, mi_col; 3091184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int ncnt[4] = { 0 }; 310ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int n_frames = cpi->mbgraph_n_frames; 311ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 312ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int *arf_not_zz; 313ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 31491037db265ecdd914a26e056cf69207b4f50924ehkuang CHECK_MEM_ERROR(cm, arf_not_zz, 31591037db265ecdd914a26e056cf69207b4f50924ehkuang vpx_calloc(cm->mb_rows * cm->mb_cols * sizeof(*arf_not_zz), 31691037db265ecdd914a26e056cf69207b4f50924ehkuang 1)); 317ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 318ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // We are not interested in results beyond the alt ref itself. 319b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (n_frames > cpi->rc.frames_till_gf_update_due) 320b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian n_frames = cpi->rc.frames_till_gf_update_due; 321ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 322ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // defer cost to reference frames 323ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (i = n_frames - 1; i >= 0; i--) { 324ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i]; 325ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 326ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (offset = 0, mb_row = 0; mb_row < cm->mb_rows; 327ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang offset += cm->mb_cols, mb_row++) { 328ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) { 329ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_MB_STATS *mb_stats = &frame_stats->mb_stats[offset + mb_col]; 330ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 331ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int altref_err = mb_stats->ref[ALTREF_FRAME].err; 332ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int intra_err = mb_stats->ref[INTRA_FRAME ].err; 333ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int golden_err = mb_stats->ref[GOLDEN_FRAME].err; 334ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 335ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Test for altref vs intra and gf and that its mv was 0,0. 336ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (altref_err > 1000 || 337ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang altref_err > intra_err || 338ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang altref_err > golden_err) { 339ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang arf_not_zz[offset + mb_col]++; 340ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 341ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 342ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 343ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 344ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 3455ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // arf_not_zz is indexed by MB, but this loop is indexed by MI to avoid out 3465ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // of bound access in segmentation_map 3475ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang for (mi_row = 0; mi_row < cm->mi_rows; mi_row++) { 3485ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang for (mi_col = 0; mi_col < cm->mi_cols; mi_col++) { 349ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // If any of the blocks in the sequence failed then the MB 350ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // goes in segment 0 351b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (arf_not_zz[mi_row / 2 * cm->mb_cols + mi_col / 2]) { 352ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang ncnt[0]++; 3535ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang cpi->segmentation_map[mi_row * cm->mi_cols + mi_col] = 0; 354ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } else { 3555ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang cpi->segmentation_map[mi_row * cm->mi_cols + mi_col] = 1; 356ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang ncnt[1]++; 357ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 358ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 359ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 360ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 361ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Only bother with segmentation if over 10% of the MBs in static segment 362ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // if ( ncnt[1] && (ncnt[0] / ncnt[1] < 10) ) 363ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (1) { 364ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Note % of blocks that are marked as static 365ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (cm->MBs) 3665ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang cpi->static_mb_pct = (ncnt[1] * 100) / (cm->mi_rows * cm->mi_cols); 367ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 368ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // This error case should not be reachable as this function should 369ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // never be called with the common data structure uninitialized. 370ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang else 371ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang cpi->static_mb_pct = 0; 372ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 373b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vp9_enable_segmentation(&cm->seg); 374ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } else { 375ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang cpi->static_mb_pct = 0; 376b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vp9_disable_segmentation(&cm->seg); 377ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 378ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 379ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // Free localy allocated storage 380ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang vpx_free(arf_not_zz); 381ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 382ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 383ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangvoid vp9_update_mbgraph_stats(VP9_COMP *cpi) { 384ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang VP9_COMMON *const cm = &cpi->common; 385ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang int i, n_frames = vp9_lookahead_depth(cpi->lookahead); 386b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian YV12_BUFFER_CONFIG *golden_ref = get_ref_frame_buffer(cpi, GOLDEN_FRAME); 387ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 388ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // we need to look ahead beyond where the ARF transitions into 389ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // being a GF - so exit if we don't look ahead beyond that 390b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian if (n_frames <= cpi->rc.frames_till_gf_update_due) 391ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return; 392b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian 393ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang if (n_frames > MAX_LAG_BUFFERS) 394ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang n_frames = MAX_LAG_BUFFERS; 395ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 396ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang cpi->mbgraph_n_frames = n_frames; 397ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (i = 0; i < n_frames; i++) { 398ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i]; 399ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang vpx_memset(frame_stats->mb_stats, 0, 4005ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang cm->mb_rows * cm->mb_cols * 4015ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang sizeof(*cpi->mbgraph_stats[i].mb_stats)); 402ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 403ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 404ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // do motion search to find contribution of each reference to data 405ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // later on in this GF group 406ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // FIXME really, the GF/last MC search should be done forward, and 407ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang // the ARF MC search backwards, to get optimal results for MV caching 408ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang for (i = 0; i < n_frames; i++) { 409ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang MBGRAPH_FRAME_STATS *frame_stats = &cpi->mbgraph_stats[i]; 410ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang struct lookahead_entry *q_cur = vp9_lookahead_peek(cpi->lookahead, i); 411ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 412ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang assert(q_cur != NULL); 413ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 414ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang update_mbgraph_frame_stats(cpi, frame_stats, &q_cur->img, 415ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang golden_ref, cpi->Source); 416ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 417ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 418b08e2e23eec181e9951df33cd704ac294c5407b6Vignesh Venkatasubramanian vp9_clear_system_state(); 419ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 420ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang separate_arf_mbs(cpi); 421ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 422