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/*
* Copyright (c) 2011 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_VOICE_ENGINE_DTMF_INBAND_QUEUE_H
#define WEBRTC_VOICE_ENGINE_DTMF_INBAND_QUEUE_H
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/typedefs.h"
#include "webrtc/voice_engine/voice_engine_defines.h"
namespace webrtc {
class DtmfInbandQueue
{
public:
DtmfInbandQueue(int32_t id);
virtual ~DtmfInbandQueue();
int AddDtmf(uint8_t DtmfKey, uint16_t len, uint8_t level);
int8_t NextDtmf(uint16_t* len, uint8_t* level);
bool PendingDtmf();
void ResetDtmf();
private:
enum {kDtmfInbandMax = 20};
int32_t _id;
CriticalSectionWrapper& _DtmfCritsect;
uint8_t _nextEmptyIndex;
uint8_t _DtmfKey[kDtmfInbandMax];
uint16_t _DtmfLen[kDtmfInbandMax];
uint8_t _DtmfLevel[kDtmfInbandMax];
};
} // namespace webrtc
#endif // WEBRTC_VOICE_ENGINE_DTMF_INBAND_QUEUE_H
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