void vp9_setup_key_frame(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; // Setup for Key frame: vp9_default_coef_probs(& cpi->common); vp9_kf_default_bmode_probs(cpi->common.kf_bmode_prob); vp9_init_mbmode_probs(& cpi->common); vp9_default_bmode_probs(cm->fc.bmode_prob); if(cm->last_frame_seg_map) vpx_memset(cm->last_frame_seg_map, 0, (cm->mb_rows * cm->mb_cols)); vp9_init_mv_probs(& cpi->common); // cpi->common.filter_level = 0; // Reset every key frame. cpi->common.filter_level = cpi->common.base_qindex * 3 / 8; // interval before next GF cpi->frames_till_gf_update_due = cpi->baseline_gf_interval; cpi->common.refresh_golden_frame = TRUE; cpi->common.refresh_alt_ref_frame = TRUE; vp9_init_mode_contexts(&cpi->common); vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc)); vpx_memcpy(&cpi->common.lfc_a, &cpi->common.fc, sizeof(cpi->common.fc)); vpx_memset(cm->prev_mip, 0, (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO)); vpx_memset(cm->mip, 0, (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO)); vp9_update_mode_info_border(cm, cm->mip); vp9_update_mode_info_in_image(cm, cm->mi); }
void vp9_setup_past_independence(VP9_COMMON *cm) { // Reset the segment feature data to the default stats: // Features disabled, 0, with delta coding (Default state). struct loopfilter *const lf = &cm->lf; int i; vp9_clearall_segfeatures(&cm->seg); cm->seg.abs_delta = SEGMENT_DELTADATA; if (cm->last_frame_seg_map) vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols)); // Reset the mode ref deltas for loop filter vp9_zero(lf->last_ref_deltas); vp9_zero(lf->last_mode_deltas); set_default_lf_deltas(lf); // To force update of the sharpness lf->last_sharpness_level = -1; vp9_default_coef_probs(cm); vp9_init_mbmode_probs(cm); vp9_init_mv_probs(cm); vp9_copy(cm->fc.inter_mode_probs, default_inter_mode_probs); if (cm->frame_type == KEY_FRAME || cm->error_resilient_mode || cm->reset_frame_context == 3) { // Reset all frame contexts. for (i = 0; i < NUM_FRAME_CONTEXTS; ++i) cm->frame_contexts[i] = cm->fc; } else if (cm->reset_frame_context == 2) { // Reset only the frame context specified in the frame header. cm->frame_contexts[cm->frame_context_idx] = cm->fc; } vpx_memset(cm->prev_mip, 0, cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); vpx_memset(cm->mip, 0, cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); vp9_update_mode_info_border(cm, cm->mip); vp9_update_mode_info_border(cm, cm->prev_mip); vp9_zero(cm->ref_frame_sign_bias); cm->frame_context_idx = 0; }
void vp9_setup_key_frame(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; // Setup for Key frame: vp9_default_coef_probs(& cpi->common); vp9_kf_default_bmode_probs(cpi->common.kf_bmode_prob); vp9_init_mbmode_probs(& cpi->common); vp9_default_bmode_probs(cm->fc.bmode_prob); if(cm->last_frame_seg_map) vpx_memset(cm->last_frame_seg_map, 0, (cm->mb_rows * cm->mb_cols)); vp9_init_mv_probs(& cpi->common); // cpi->common.filter_level = 0; // Reset every key frame. cpi->common.filter_level = cpi->common.base_qindex * 3 / 8; // interval before next GF cpi->frames_till_gf_update_due = cpi->baseline_gf_interval; cpi->common.refresh_golden_frame = TRUE; cpi->common.refresh_alt_ref_frame = TRUE; vp9_init_mode_contexts(&cpi->common); vpx_memcpy(&cpi->common.lfc, &cpi->common.fc, sizeof(cpi->common.fc)); vpx_memcpy(&cpi->common.lfc_a, &cpi->common.fc, sizeof(cpi->common.fc)); vpx_memset(cm->prev_mip, 0, (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO)); vpx_memset(cm->mip, 0, (cm->mb_cols + 1) * (cm->mb_rows + 1)* sizeof(MODE_INFO)); vp9_update_mode_info_border(cm, cm->mip); vp9_update_mode_info_in_image(cm, cm->mi); #if CONFIG_NEW_MVREF if (1) { MACROBLOCKD *xd = &cpi->mb.e_mbd; // Defaults probabilities for encoding the MV ref id signal vpx_memset(xd->mb_mv_ref_probs, VP9_DEFAULT_MV_REF_PROB, sizeof(xd->mb_mv_ref_probs)); } #endif }
void vp9_create_common(VP9_COMMON *oci) { vp9_machine_specific_config(oci); vp9_init_mbmode_probs(oci); vp9_default_bmode_probs(oci->fc.bmode_prob); oci->txfm_mode = ONLY_4X4; oci->mb_no_coeff_skip = 1; oci->comp_pred_mode = HYBRID_PREDICTION; oci->no_lpf = 0; oci->filter_type = NORMAL_LOOPFILTER; oci->use_bilinear_mc_filter = 0; oci->full_pixel = 0; oci->clr_type = REG_YUV; oci->clamp_type = RECON_CLAMP_REQUIRED; /* Initialise reference frame sign bias structure to defaults */ vpx_memset(oci->ref_frame_sign_bias, 0, sizeof(oci->ref_frame_sign_bias)); oci->kf_ymode_probs_update = 0; }