1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_VOICE_ENGINE_DTMF_INBAND_QUEUE_H 12 #define WEBRTC_VOICE_ENGINE_DTMF_INBAND_QUEUE_H 13 14 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" 15 #include "webrtc/typedefs.h" 16 #include "webrtc/voice_engine/voice_engine_defines.h" 17 18 19 namespace webrtc { 20 21 class DtmfInbandQueue 22 { 23 public: 24 25 DtmfInbandQueue(int32_t id); 26 27 virtual ~DtmfInbandQueue(); 28 29 int AddDtmf(uint8_t DtmfKey, uint16_t len, uint8_t level); 30 31 int8_t NextDtmf(uint16_t* len, uint8_t* level); 32 33 bool PendingDtmf(); 34 35 void ResetDtmf(); 36 37 private: 38 enum {kDtmfInbandMax = 20}; 39 40 int32_t _id; 41 CriticalSectionWrapper& _DtmfCritsect; 42 uint8_t _nextEmptyIndex; 43 uint8_t _DtmfKey[kDtmfInbandMax]; 44 uint16_t _DtmfLen[kDtmfInbandMax]; 45 uint8_t _DtmfLevel[kDtmfInbandMax]; 46 }; 47 48 } // namespace webrtc 49 50 #endif // WEBRTC_VOICE_ENGINE_DTMF_INBAND_QUEUE_H 51