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_MODULES_RTP_RTCP_SOURCE_DTMF_QUEUE_H_ 12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_DTMF_QUEUE_H_ 13 14 #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h" 15 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" 16 #include "webrtc/typedefs.h" 17 18 namespace webrtc { 19 class DTMFqueue { 20 public: 21 DTMFqueue(); 22 virtual ~DTMFqueue(); 23 24 int32_t AddDTMF(uint8_t dtmf_key, uint16_t len, uint8_t level); 25 int8_t NextDTMF(uint8_t* dtmf_key, uint16_t* len, uint8_t* level); 26 bool PendingDTMF(); 27 void ResetDTMF(); 28 29 private: 30 CriticalSectionWrapper* dtmf_critsect_; 31 uint8_t next_empty_index_; 32 uint8_t dtmf_key_[DTMF_OUTBAND_MAX]; 33 uint16_t dtmf_length[DTMF_OUTBAND_MAX]; 34 uint8_t dtmf_level_[DTMF_OUTBAND_MAX]; 35 }; 36 } // namespace webrtc 37 38 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_DTMF_QUEUE_H_ 39