HDPVR_FLAG_AC3_CAP
if (dev->flags & HDPVR_FLAG_AC3_CAP) {
dev->flags &= ~HDPVR_FLAG_AC3_CAP;
dev->flags |= HDPVR_FLAG_AC3_CAP;
dev->flags |= HDPVR_FLAG_AC3_CAP;
dev->flags &= ~HDPVR_FLAG_AC3_CAP;
bool ac3 = dev->flags & HDPVR_FLAG_AC3_CAP;
if (dev->flags & HDPVR_FLAG_AC3_CAP) {