AV1RawFrameHeader *current)
{
CodedBitstreamAV1Context *priv = ctx->priv_data;
+ static const int8_t default_loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME] =
+ { 1, 0, 0, 0, -1, 0, -1, -1 };
+ static const int8_t default_loop_filter_mode_deltas[2] = { 0, 0 };
int i, err;
if (priv->coded_lossless || current->allow_intrabc) {
flag(loop_filter_delta_enabled);
if (current->loop_filter_delta_enabled) {
+ const int8_t *ref_loop_filter_ref_deltas, *ref_loop_filter_mode_deltas;
+
+ if (current->primary_ref_frame == AV1_PRIMARY_REF_NONE) {
+ ref_loop_filter_ref_deltas = default_loop_filter_ref_deltas;
+ ref_loop_filter_mode_deltas = default_loop_filter_mode_deltas;
+ } else {
+ ref_loop_filter_ref_deltas =
+ priv->ref[current->ref_frame_idx[current->primary_ref_frame]].loop_filter_ref_deltas;
+ ref_loop_filter_mode_deltas =
+ priv->ref[current->ref_frame_idx[current->primary_ref_frame]].loop_filter_mode_deltas;
+ }
+
flag(loop_filter_delta_update);
- if (current->loop_filter_delta_update) {
- for (i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
+ for (i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
+ if (current->loop_filter_delta_update)
flags(update_ref_delta[i], 1, i);
- if (current->update_ref_delta[i])
- sus(1 + 6, loop_filter_ref_deltas[i], 1, i);
- }
- for (i = 0; i < 2; i++) {
+ else
+ infer(update_ref_delta[i], 0);
+ if (current->update_ref_delta[i])
+ sus(1 + 6, loop_filter_ref_deltas[i], 1, i);
+ else
+ infer(loop_filter_ref_deltas[i], ref_loop_filter_ref_deltas[i]);
+ }
+ for (i = 0; i < 2; i++) {
+ if (current->loop_filter_delta_update)
flags(update_mode_delta[i], 1, i);
- if (current->update_mode_delta[i])
- sus(1 + 6, loop_filter_mode_deltas[i], 1, i);
- }
+ else
+ infer(update_mode_delta[i], 0);
+ if (current->update_mode_delta[i])
+ sus(1 + 6, loop_filter_mode_deltas[i], 1, i);
+ else
+ infer(loop_filter_mode_deltas[i], ref_loop_filter_mode_deltas[i]);
}
+ } else {
+ for (i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++)
+ infer(loop_filter_ref_deltas[i], default_loop_filter_ref_deltas[i]);
+ for (i = 0; i < 2; i++)
+ infer(loop_filter_mode_deltas[i], default_loop_filter_mode_deltas[i]);
}
return 0;
.bit_depth = priv->bit_depth,
.order_hint = priv->order_hint,
};
+ memcpy(priv->ref[i].loop_filter_ref_deltas, current->loop_filter_ref_deltas,
+ sizeof(current->loop_filter_ref_deltas));
+ memcpy(priv->ref[i].loop_filter_mode_deltas, current->loop_filter_mode_deltas,
+ sizeof(current->loop_filter_mode_deltas));
}
}