Line data    Source code

       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             : #include "webrtc/modules/rtp_rtcp/source/dtmf_queue.h"
      12             : 
      13             : namespace {
      14             : constexpr size_t kDtmfOutbandMax = 20;
      15             : }
      16             : 
      17             : namespace webrtc {
      18           0 : DtmfQueue::DtmfQueue() {}
      19             : 
      20           0 : DtmfQueue::~DtmfQueue() {}
      21             : 
      22           0 : bool DtmfQueue::AddDtmf(const Event& event) {
      23           0 :   rtc::CritScope lock(&dtmf_critsect_);
      24           0 :   if (queue_.size() >= kDtmfOutbandMax) {
      25           0 :     return false;
      26             :   }
      27           0 :   queue_.push_back(event);
      28           0 :   return true;
      29             : }
      30             : 
      31           0 : bool DtmfQueue::NextDtmf(Event* event) {
      32           0 :   RTC_DCHECK(event);
      33           0 :   rtc::CritScope lock(&dtmf_critsect_);
      34           0 :   if (queue_.empty()) {
      35           0 :     return false;
      36             :   }
      37             : 
      38           0 :   *event = queue_.front();
      39           0 :   queue_.pop_front();
      40           0 :   return true;
      41             : }
      42             : 
      43           0 : bool DtmfQueue::PendingDtmf() const {
      44           0 :   rtc::CritScope lock(&dtmf_critsect_);
      45           0 :   return !queue_.empty();
      46             : }
      47             : }  // namespace webrtc