vp9_wb_write_bit(wb, lf->mode_ref_delta_enabled);
if (lf->mode_ref_delta_enabled) {
- // Do the deltas need to be updated
vp9_wb_write_bit(wb, lf->mode_ref_delta_update);
if (lf->mode_ref_delta_update) {
- // Send update
for (i = 0; i < MAX_REF_LF_DELTAS; i++) {
const int delta = lf->ref_deltas[i];
-
- // Frame level data
- if (delta != lf->last_ref_deltas[i]) {
+ const int changed = delta != lf->last_ref_deltas[i];
+ vp9_wb_write_bit(wb, changed);
+ if (changed) {
lf->last_ref_deltas[i] = delta;
- vp9_wb_write_bit(wb, 1);
-
- assert(delta != 0);
vp9_wb_write_literal(wb, abs(delta) & 0x3F, 6);
vp9_wb_write_bit(wb, delta < 0);
- } else {
- vp9_wb_write_bit(wb, 0);
}
}
- // Send update
for (i = 0; i < MAX_MODE_LF_DELTAS; i++) {
const int delta = lf->mode_deltas[i];
- if (delta != lf->last_mode_deltas[i]) {
+ const int changed = delta != lf->last_mode_deltas[i];
+ vp9_wb_write_bit(wb, changed);
+ if (changed) {
lf->last_mode_deltas[i] = delta;
- vp9_wb_write_bit(wb, 1);
-
- assert(delta != 0);
vp9_wb_write_literal(wb, abs(delta) & 0x3F, 6);
vp9_wb_write_bit(wb, delta < 0);
- } else {
- vp9_wb_write_bit(wb, 0);
}
}
}