webrtc/modules/audio_coding/main/source/acm_dtmf_detection.h

48 lines
1.3 KiB
C++

/*
* 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 ACM_DTMF_DETECTION_H
#define ACM_DTMF_DETECTION_H
#include "acm_resampler.h"
#include "audio_coding_module_typedefs.h"
#include "typedefs.h"
namespace webrtc
{
class ACMDTMFDetection
{
public:
ACMDTMFDetection();
~ACMDTMFDetection();
WebRtc_Word16 Enable(ACMCountries cpt = ACMDisableCountryDetection);
WebRtc_Word16 Disable();
WebRtc_Word16 Detect(
const WebRtc_Word16* inAudioBuff,
const WebRtc_UWord16 inBuffLenWord16,
const WebRtc_Word32 inFreqHz,
bool& toneDetected,
WebRtc_Word16& tone);
static WebRtc_Word16 GetVersion(
WebRtc_Word8* version,
WebRtc_UWord32& remainingBufferInBytes,
WebRtc_UWord32& position);
private:
ACMResampler _resampler;
bool _init;
};
} // namespace webrtc
#endif // ACM_DTMF_DETECTION_H