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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_PREDICTIVE_PACKET_MANIPULATOR_H_
#define WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_PREDICTIVE_PACKET_MANIPULATOR_H_
#include <queue>
#include "webrtc/modules/video_coding/codecs/test/packet_manipulator.h"
#include "webrtc/test/testsupport/packet_reader.h"
namespace webrtc {
namespace test {
// Predictive packet manipulator that allows for setup of the result of
// the random invocations.
class PredictivePacketManipulator : public PacketManipulatorImpl {
public:
PredictivePacketManipulator(PacketReader* packet_reader,
const NetworkingConfig& config);
virtual ~PredictivePacketManipulator();
// Adds a result. You must add at least the same number of results as the
// expected calls to the RandomUniform method. The results are added to a
// FIFO queue so they will be returned in the same order they were added.
// Result parameter must be 0.0 to 1.0.
void AddRandomResult(double result);
protected:
// Returns a uniformly distributed random value between 0.0 and 1.0
double RandomUniform() override;
private:
std::queue<double> random_results_;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_TEST_PREDICTIVE_PACKET_MANIPULATOR_H_
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