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/*
Copyright 2018 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS-IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "node/sink_node.h"
#include "base/logging.h"
namespace vraudio {
SinkNode::SinkNode() : Node() {}
const std::vector<const AudioBuffer*>& SinkNode::ReadInputs() {
return input_stream_.Read();
}
void SinkNode::Connect(
const std::shared_ptr<PublisherNodeType>& publisher_node) {
input_stream_.Connect(publisher_node->GetSharedNodePtr(),
publisher_node->GetOutput());
}
void SinkNode::Process() {
LOG(FATAL) << "Process should not be called on audio sink node.";
}
bool SinkNode::CleanUp() {
// We need to make a copy of the OutputNodeMap map since it might change due
// to Disconnect() calls.
const auto connected_nodes = input_stream_.GetConnectedNodeOutputPairs();
for (const auto& input_node : connected_nodes) {
Output<const AudioBuffer*>* output = input_node.first;
std::shared_ptr<Node> node = input_node.second;
const bool is_orphaned = node->CleanUp();
if (is_orphaned) {
input_stream_.Disconnect(output);
}
}
return false;
}
} // namespace vraudio
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