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| 1 /* | |
| 2 * Copyright (c) 2012 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 #include "webrtc/system_wrappers/include/trace.h" | |
| 12 #include "webrtc/voice_engine/dtmf_inband_queue.h" | |
| 13 | |
| 14 namespace webrtc { | |
| 15 | |
| 16 DtmfInbandQueue::DtmfInbandQueue(int32_t id): | |
| 17 _id(id), | |
| 18 _nextEmptyIndex(0) | |
| 19 { | |
| 20 memset(_DtmfKey,0, sizeof(_DtmfKey)); | |
| 21 memset(_DtmfLen,0, sizeof(_DtmfLen)); | |
| 22 memset(_DtmfLevel,0, sizeof(_DtmfLevel)); | |
| 23 } | |
| 24 | |
| 25 DtmfInbandQueue::~DtmfInbandQueue() | |
| 26 { | |
| 27 } | |
| 28 | |
| 29 int | |
| 30 DtmfInbandQueue::AddDtmf(uint8_t key, uint16_t len, uint8_t level) | |
| 31 { | |
| 32 rtc::CritScope lock(&_DtmfCritsect); | |
| 33 | |
| 34 if (_nextEmptyIndex >= kDtmfInbandMax) | |
| 35 { | |
| 36 WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_id,-1), | |
| 37 "DtmfInbandQueue::AddDtmf() unable to add Dtmf tone"); | |
| 38 return -1; | |
| 39 } | |
| 40 int32_t index = _nextEmptyIndex; | |
| 41 _DtmfKey[index] = key; | |
| 42 _DtmfLen[index] = len; | |
| 43 _DtmfLevel[index] = level; | |
| 44 _nextEmptyIndex++; | |
| 45 return 0; | |
| 46 } | |
| 47 | |
| 48 int8_t | |
| 49 DtmfInbandQueue::NextDtmf(uint16_t* len, uint8_t* level) | |
| 50 { | |
| 51 rtc::CritScope lock(&_DtmfCritsect); | |
| 52 | |
| 53 if(!PendingDtmf()) | |
| 54 { | |
| 55 return -1; | |
| 56 } | |
| 57 int8_t nextDtmf = _DtmfKey[0]; | |
| 58 *len=_DtmfLen[0]; | |
| 59 *level=_DtmfLevel[0]; | |
| 60 | |
| 61 memmove(&(_DtmfKey[0]), &(_DtmfKey[1]), | |
| 62 _nextEmptyIndex*sizeof(uint8_t)); | |
| 63 memmove(&(_DtmfLen[0]), &(_DtmfLen[1]), | |
| 64 _nextEmptyIndex*sizeof(uint16_t)); | |
| 65 memmove(&(_DtmfLevel[0]), &(_DtmfLevel[1]), | |
| 66 _nextEmptyIndex*sizeof(uint8_t)); | |
| 67 | |
| 68 _nextEmptyIndex--; | |
| 69 return nextDtmf; | |
| 70 } | |
| 71 | |
| 72 bool | |
| 73 DtmfInbandQueue::PendingDtmf() | |
| 74 { | |
| 75 rtc::CritScope lock(&_DtmfCritsect); | |
| 76 return _nextEmptyIndex > 0; | |
| 77 } | |
| 78 | |
| 79 void | |
| 80 DtmfInbandQueue::ResetDtmf() | |
| 81 { | |
| 82 rtc::CritScope lock(&_DtmfCritsect); | |
| 83 _nextEmptyIndex = 0; | |
| 84 } | |
| 85 | |
| 86 } // namespace webrtc | |
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Chromium Code Reviews
Issue 1722253002:
- Clean up unused voice engine DTMF code. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@voe_dtmf_1