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 && !cm->frame_parallel_decode)
memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
if (cm->current_frame_seg_map)
memset(cm->current_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);
init_mode_probs(cm->fc);
vp9_init_mv_probs(cm);
cm->fc->initialized = 1;
if (cm->frame_type == KEY_FRAME ||
cm->error_resilient_mode || cm->reset_frame_context == 3) {
// Reset all frame contexts.
for (i = 0; i < 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;
}
// prev_mip will only be allocated in encoder.
if (frame_is_intra_only(cm) && cm->prev_mip && !cm->frame_parallel_decode)
memset(cm->prev_mip, 0,
cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->prev_mip));
vp9_zero(cm->ref_frame_sign_bias);
cm->frame_context_idx = 0;
}
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
}
