315d39866e
BUG= R=stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1398004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3982 4adac7df-926f-26a2-2b94-8c16560cd09d
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright (c) 2011 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/modules/rtp_rtcp/source/dtmf_queue.h"
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#include <string.h> //memset
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namespace webrtc {
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DTMFqueue::DTMFqueue()
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: dtmf_critsect_(CriticalSectionWrapper::CreateCriticalSection()),
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next_empty_index_(0) {
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memset(dtmf_key_, 0, sizeof(dtmf_key_));
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memset(dtmf_length, 0, sizeof(dtmf_length));
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memset(dtmf_level_, 0, sizeof(dtmf_level_));
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}
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DTMFqueue::~DTMFqueue() { delete dtmf_critsect_; }
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int32_t DTMFqueue::AddDTMF(uint8_t key, uint16_t len, uint8_t level) {
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CriticalSectionScoped lock(dtmf_critsect_);
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if (next_empty_index_ >= DTMF_OUTBAND_MAX) {
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return -1;
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}
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int32_t index = next_empty_index_;
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dtmf_key_[index] = key;
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dtmf_length[index] = len;
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dtmf_level_[index] = level;
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next_empty_index_++;
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return 0;
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}
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int8_t DTMFqueue::NextDTMF(uint8_t* dtmf_key, uint16_t* len, uint8_t* level) {
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CriticalSectionScoped lock(dtmf_critsect_);
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if (!PendingDTMF()) {
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return -1;
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}
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*dtmf_key = dtmf_key_[0];
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*len = dtmf_length[0];
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*level = dtmf_level_[0];
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memmove(&(dtmf_key_[0]), &(dtmf_key_[1]),
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next_empty_index_ * sizeof(uint8_t));
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memmove(&(dtmf_length[0]), &(dtmf_length[1]),
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next_empty_index_ * sizeof(uint16_t));
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memmove(&(dtmf_level_[0]), &(dtmf_level_[1]),
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next_empty_index_ * sizeof(uint8_t));
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next_empty_index_--;
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return 0;
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}
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bool DTMFqueue::PendingDTMF() { return (next_empty_index_ > 0); }
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void DTMFqueue::ResetDTMF() { next_empty_index_ = 0; }
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} // namespace webrtc
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