static Optional<IntConstraint> createIntConstraint(const Dictionary& mediaTrackConstraintSet, const String& name, MediaConstraintType type, ConstraintSetType constraintSetType)
{
auto constraint = IntConstraint(name, type);
// Dictionary constraint value.
Dictionary dictionaryValue;
if (mediaTrackConstraintSet.get(name, dictionaryValue) && !dictionaryValue.isUndefinedOrNull()) {
int minValue;
if (dictionaryValue.get("min", minValue))
constraint.setMin(minValue);
int maxValue;
if (dictionaryValue.get("max", maxValue))
constraint.setMax(maxValue);
int exactValue;
if (dictionaryValue.get("exact", exactValue))
constraint.setExact(exactValue);
int idealValue;
if (dictionaryValue.get("ideal", idealValue))
constraint.setIdeal(idealValue);
if (constraint.isEmpty()) {
LOG(Media, "createIntConstraint() - ignoring long constraint '%s' with dictionary value since it has no valid or supported key/value pairs.", name.utf8().data());
return Nullopt;
}
return WTFMove(constraint);
}
// Scalar constraint value.
int value;
if (mediaTrackConstraintSet.get(name, value)) {
if (constraintSetType == ConstraintSetType::Mandatory)
constraint.setIdeal(value);
else
constraint.setExact(value);
return WTFMove(constraint);
}
// Invalid constraint value.
LOG(Media, "createIntConstraint() - ignoring long constraint '%s' since it has neither a dictionary nor scalar value.", name.utf8().data());
return Nullopt;
}
void NetworkMap::apply(MapDefinition* md, const String& name)
{
if (!md->getDefault().empty())
setDefault(md->getDefault());
if (!(md->getWildcards().find(name) == md->getWildcards().end()))
setDefault(md->getWildcards().find(name)->second);
for (std::map<StringPair, String>::const_iterator it = md->getExact().begin(),
end = md->getExact().end();
it != end;
++it)
{
if (it->first.first == name)
setExact(it->first.second, it->second);
if (it->first.second == name)
setExact(it->first.first, it->second);
}
}
static Optional<StringConstraint> createStringConstraint(const Dictionary& mediaTrackConstraintSet, const String& name, MediaConstraintType type, ConstraintSetType constraintSetType)
{
auto constraint = StringConstraint(name, type);
// Dictionary constraint value.
Dictionary dictionaryValue;
if (mediaTrackConstraintSet.get(name, dictionaryValue) && !dictionaryValue.isUndefinedOrNull()) {
ArrayValue exactArrayValue;
if (dictionaryValue.get("exact", exactArrayValue) && !exactArrayValue.isUndefinedOrNull())
initializeStringConstraintWithList(constraint, &StringConstraint::appendExact, exactArrayValue);
else {
String exactStringValue;
if (dictionaryValue.get("exact", exactStringValue))
constraint.setExact(exactStringValue);
}
ArrayValue idealArrayValue;
if (dictionaryValue.get("ideal", idealArrayValue) && !idealArrayValue.isUndefinedOrNull())
initializeStringConstraintWithList(constraint, &StringConstraint::appendIdeal, idealArrayValue);
else {
String idealStringValue;
if (!dictionaryValue.get("ideal", idealStringValue))
constraint.setIdeal(idealStringValue);
}
if (constraint.isEmpty()) {
LOG(Media, "createStringConstraint() - ignoring string constraint '%s' with dictionary value since it has no valid or supported key/value pairs.", name.utf8().data());
return Nullopt;
}
return WTFMove(constraint);
}
// Array constraint value.
ArrayValue arrayValue;
if (mediaTrackConstraintSet.get(name, arrayValue) && !arrayValue.isUndefinedOrNull()) {
initializeStringConstraintWithList(constraint, &StringConstraint::appendIdeal, arrayValue);
if (constraint.isEmpty()) {
LOG(Media, "createStringConstraint() - ignoring string constraint '%s' with array value since it is empty.", name.utf8().data());
return Nullopt;
}
return WTFMove(constraint);
}
// Scalar constraint value.
String value;
if (mediaTrackConstraintSet.get(name, value)) {
if (constraintSetType == ConstraintSetType::Mandatory)
constraint.setIdeal(value);
else
constraint.setExact(value);
return WTFMove(constraint);
}
// Invalid constraint value.
LOG(Media, "createStringConstraint() - ignoring string constraint '%s' since it has neither a dictionary nor sequence nor scalar value.", name.utf8().data());
return Nullopt;
}
