944cbeb292
See bug report for details. BUG=1590 R=tommi@webrtc.org, xians@webrtc.org Review URL: https://webrtc-codereview.appspot.com/9859004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5714 4adac7df-926f-26a2-2b94-8c16560cd09d
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/system_wrappers/interface/trace.h"
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#include "webrtc/voice_engine/dtmf_inband_queue.h"
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namespace webrtc {
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DtmfInbandQueue::DtmfInbandQueue(int32_t id):
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_id(id),
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_DtmfCritsect(*CriticalSectionWrapper::CreateCriticalSection()),
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_nextEmptyIndex(0)
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{
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memset(_DtmfKey,0, sizeof(_DtmfKey));
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memset(_DtmfLen,0, sizeof(_DtmfLen));
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memset(_DtmfLevel,0, sizeof(_DtmfLevel));
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}
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DtmfInbandQueue::~DtmfInbandQueue()
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{
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delete &_DtmfCritsect;
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}
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int
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DtmfInbandQueue::AddDtmf(uint8_t key, uint16_t len, uint8_t level)
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{
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CriticalSectionScoped lock(&_DtmfCritsect);
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if (_nextEmptyIndex >= kDtmfInbandMax)
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{
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_id,-1),
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"DtmfInbandQueue::AddDtmf() unable to add Dtmf tone");
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return -1;
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}
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int32_t index = _nextEmptyIndex;
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_DtmfKey[index] = key;
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_DtmfLen[index] = len;
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_DtmfLevel[index] = level;
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_nextEmptyIndex++;
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return 0;
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}
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int8_t
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DtmfInbandQueue::NextDtmf(uint16_t* len, uint8_t* level)
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{
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CriticalSectionScoped lock(&_DtmfCritsect);
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if(!PendingDtmf())
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{
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return -1;
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}
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int8_t nextDtmf = _DtmfKey[0];
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*len=_DtmfLen[0];
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*level=_DtmfLevel[0];
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memmove(&(_DtmfKey[0]), &(_DtmfKey[1]),
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_nextEmptyIndex*sizeof(uint8_t));
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memmove(&(_DtmfLen[0]), &(_DtmfLen[1]),
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_nextEmptyIndex*sizeof(uint16_t));
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memmove(&(_DtmfLevel[0]), &(_DtmfLevel[1]),
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_nextEmptyIndex*sizeof(uint8_t));
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_nextEmptyIndex--;
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return nextDtmf;
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}
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bool
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DtmfInbandQueue::PendingDtmf()
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{
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CriticalSectionScoped lock(&_DtmfCritsect);
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return _nextEmptyIndex > 0;
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}
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void
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DtmfInbandQueue::ResetDtmf()
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{
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CriticalSectionScoped lock(&_DtmfCritsect);
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_nextEmptyIndex = 0;
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}
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} // namespace webrtc
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