voice_engine/voe_dtmf_impl.h

/*
 *  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_VOICE_ENGINE_VOE_DTMF_IMPL_H
#define WEBRTC_VOICE_ENGINE_VOE_DTMF_IMPL_H

#include "webrtc/voice_engine/include/voe_dtmf.h"
#include "webrtc/voice_engine/shared_data.h"

namespace webrtc
{

class VoEDtmfImpl : public VoEDtmf
{
public:
    virtual int SendTelephoneEvent(
        int channel,
        int eventCode,
        bool outOfBand = true,
        int lengthMs = 160,
        int attenuationDb = 10);

    virtual int SetSendTelephoneEventPayloadType(int channel,
                                                 unsigned char type);

    virtual int GetSendTelephoneEventPayloadType(int channel,
                                                 unsigned char& type);

    virtual int SetDtmfFeedbackStatus(bool enable,
        bool directFeedback = false);

    virtual int GetDtmfFeedbackStatus(bool& enabled, bool& directFeedback);

    virtual int PlayDtmfTone(int eventCode,
                             int lengthMs = 200,
                             int attenuationDb = 10);

    virtual int StartPlayingDtmfTone(int eventCode,
                                     int attenuationDb = 10);

    virtual int StopPlayingDtmfTone();

    virtual int SetDtmfPlayoutStatus(int channel, bool enable);

    virtual int GetDtmfPlayoutStatus(int channel, bool& enabled);

protected:
    VoEDtmfImpl(voe::SharedData* shared);
    virtual ~VoEDtmfImpl();

private:
    bool _dtmfFeedback;
    bool _dtmfDirectFeedback;
    voe::SharedData* _shared;
};

}  // namespace webrtc

#endif  // WEBRTC_VOICE_ENGINE_VOE_DTMF_IMPL_H