void AudioNode::connect(AudioNode* destination, unsigned outputIndex, unsigned inputIndex, ExceptionCode& ec)
{
ASSERT(isMainThread());
AudioContext::AutoLocker locker(context());
if (!destination) {
ec = SYNTAX_ERR;
return;
}
// Sanity check input and output indices.
if (outputIndex >= numberOfOutputs()) {
ec = INDEX_SIZE_ERR;
return;
}
if (destination && inputIndex >= destination->numberOfInputs()) {
ec = INDEX_SIZE_ERR;
return;
}
if (context() != destination->context()) {
ec = SYNTAX_ERR;
return;
}
AudioNodeInput* input = destination->input(inputIndex);
AudioNodeOutput* output = this->output(outputIndex);
input->connect(output);
// Let context know that a connection has been made.
context()->incrementConnectionCount();
}
bool AudioNode::connect(AudioNode* destination, unsigned outputIndex, unsigned inputIndex)
{
ASSERT(isMainThread());
AudioContext::AutoLocker locker(context());
// Sanity check input and output indices.
if (outputIndex >= numberOfOutputs())
return false;
if (destination && inputIndex >= destination->numberOfInputs())
return false;
AudioNodeOutput* output = this->output(outputIndex);
if (!destination) {
// Disconnect output from any inputs it may be currently connected to.
output->disconnectAllInputs();
return true;
}
if (context() != destination->context())
return false;
AudioNodeInput* input = destination->input(inputIndex);
input->connect(output);
// Let context know that a connection has been made.
context()->incrementConnectionCount();
return true;
}
void AudioNode::connect(AudioNode* destination, unsigned outputIndex, unsigned inputIndex, ExceptionState& exceptionState)
{
ASSERT(isMainThread());
AudioContext::AutoLocker locker(context());
if (!destination) {
exceptionState.throwDOMException(
SyntaxError,
"invalid destination node.");
return;
}
// Sanity check input and output indices.
if (outputIndex >= numberOfOutputs()) {
exceptionState.throwDOMException(
IndexSizeError,
"output index (" + String::number(outputIndex) + ") exceeds number of outputs (" + String::number(numberOfOutputs()) + ").");
return;
}
if (destination && inputIndex >= destination->numberOfInputs()) {
exceptionState.throwDOMException(
IndexSizeError,
"input index (" + String::number(inputIndex) + ") exceeds number of inputs (" + String::number(destination->numberOfInputs()) + ").");
return;
}
if (context() != destination->context()) {
exceptionState.throwDOMException(
SyntaxError,
"cannot connect to a destination belonging to a different audio context.");
return;
}
AudioNodeInput* input = destination->input(inputIndex);
AudioNodeOutput* output = this->output(outputIndex);
input->connect(output);
// Let context know that a connection has been made.
context()->incrementConnectionCount();
}
