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LoopPlugin.h
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69 lines (60 loc) · 2.29 KB
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/*
* Copyright (c) 2017 Spotify AB.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
#pragma once
#include <NFSmartPlayer/Plugin.h>
#include <atomic>
namespace nativeformat {
namespace plugin {
namespace time {
/**
* A plugin that allows looping for a particular piece of time
*/
class LoopPlugin : public Plugin {
public:
LoopPlugin(const nfgrapher::contract::LoopNodeInfo &loop_node, int channels,
double samplerate,
const std::shared_ptr<plugin::Plugin> &child_plugin);
virtual ~LoopPlugin();
// Plugin
void feed(std::map<std::string, std::shared_ptr<Content>> &content,
long sample_index, long graph_sample_index,
nfgrapher::LoadingPolicy loading_policy) override;
std::string name() override;
long timeDilation(long sample_index) override;
bool finished(long sample_index, long sample_index_end) override;
void notifyFinished(long sample_index, long graph_sample_index) override;
PluginType type() const override;
long localRenderSampleIndex(long sample_index) override;
long startSampleIndex() override;
void load(LOAD_CALLBACK callback) override;
bool loaded() const override;
void run(long sample_index, const NodeTimes &node_times,
long node_sample_index) override;
bool shouldProcess(long sample_index_start, long sample_index_end) override;
private:
const std::shared_ptr<plugin::Plugin> _child_plugin;
const long _start_sample_index;
const long _duration_samples;
const long _loops;
};
} // namespace time
} // namespace plugin
} // namespace nativeformat