void
AudioDestinationNode::SetChannelCount(uint32_t aChannelCount, ErrorResult& aRv)
{
if (aChannelCount > MaxChannelCount()) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return;
}
AudioNode::SetChannelCount(aChannelCount, aRv);
}
float
BChannelSlider::ThumbDeltaFor(int32 channel)
{
float delta = 0.0;
if (channel >= 0 && channel < MaxChannelCount()) {
float range = ThumbRangeFor(channel);
int32 limitRange = MaxLimitList()[channel] - MinLimitList()[channel];
delta = (ValueList()[channel] - MinLimitList()[channel]) * range
/ limitRange;
if (fIsVertical)
delta = range - delta;
}
return delta;
}