| /* |
| * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "webrtc/modules/rtp_rtcp/source/dtmf_queue.h" |
| |
| #include <string.h> |
| |
| namespace webrtc { |
| DTMFqueue::DTMFqueue() : next_empty_index_(0) { |
| memset(dtmf_key_, 0, sizeof(dtmf_key_)); |
| memset(dtmf_length, 0, sizeof(dtmf_length)); |
| memset(dtmf_level_, 0, sizeof(dtmf_level_)); |
| } |
| |
| DTMFqueue::~DTMFqueue() {} |
| |
| int32_t DTMFqueue::AddDTMF(uint8_t key, uint16_t len, uint8_t level) { |
| rtc::CritScope lock(&dtmf_critsect_); |
| |
| if (next_empty_index_ >= DTMF_OUTBAND_MAX) { |
| return -1; |
| } |
| int32_t index = next_empty_index_; |
| dtmf_key_[index] = key; |
| dtmf_length[index] = len; |
| dtmf_level_[index] = level; |
| next_empty_index_++; |
| return 0; |
| } |
| |
| int8_t DTMFqueue::NextDTMF(uint8_t* dtmf_key, uint16_t* len, uint8_t* level) { |
| rtc::CritScope lock(&dtmf_critsect_); |
| if (next_empty_index_ == 0) |
| return -1; |
| |
| *dtmf_key = dtmf_key_[0]; |
| *len = dtmf_length[0]; |
| *level = dtmf_level_[0]; |
| |
| memmove(&(dtmf_key_[0]), &(dtmf_key_[1]), |
| next_empty_index_ * sizeof(uint8_t)); |
| memmove(&(dtmf_length[0]), &(dtmf_length[1]), |
| next_empty_index_ * sizeof(uint16_t)); |
| memmove(&(dtmf_level_[0]), &(dtmf_level_[1]), |
| next_empty_index_ * sizeof(uint8_t)); |
| |
| next_empty_index_--; |
| return 0; |
| } |
| |
| bool DTMFqueue::PendingDTMF() { |
| rtc::CritScope lock(&dtmf_critsect_); |
| return next_empty_index_ > 0; |
| } |
| } // namespace webrtc |