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/*
* Copyright 2020 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 "pc/transceiver_list.h"
#include <cstddef>
#include <optional>
#include <string>
#include <vector>
#include "api/rtp_parameters.h"
#include "api/rtp_sender_interface.h"
#include "api/scoped_refptr.h"
#include "api/sequence_checker.h"
#include "pc/rtp_transceiver.h"
#include "rtc_base/checks.h"
namespace webrtc {
void TransceiverStableState::set_newly_created() {
RTC_DCHECK(!has_m_section_);
newly_created_ = true;
}
void TransceiverStableState::SetMSectionIfUnset(
std::optional<std::string> mid,
std::optional<size_t> mline_index) {
if (!has_m_section_) {
mid_ = mid;
mline_index_ = mline_index;
has_m_section_ = true;
}
}
void TransceiverStableState::SetRemoteStreamIds(
const std::vector<std::string>& ids) {
if (!remote_stream_ids_.has_value()) {
remote_stream_ids_ = ids;
}
}
void TransceiverStableState::SetInitSendEncodings(
const std::vector<RtpEncodingParameters>& encodings) {
init_send_encodings_ = encodings;
}
std::vector<RtpTransceiver*> TransceiverList::ListInternal() const {
RTC_DCHECK_RUN_ON(&sequence_checker_);
std::vector<RtpTransceiver*> internals;
for (auto transceiver : transceivers_) {
internals.push_back(transceiver->internal());
}
return internals;
}
RtpTransceiverProxyRefPtr TransceiverList::FindBySender(
scoped_refptr<RtpSenderInterface> sender) const {
RTC_DCHECK_RUN_ON(&sequence_checker_);
for (auto transceiver : transceivers_) {
if (transceiver->sender() == sender) {
return transceiver;
}
}
return nullptr;
}
RtpTransceiverProxyRefPtr TransceiverList::FindByMid(
const std::string& mid) const {
RTC_DCHECK_RUN_ON(&sequence_checker_);
for (auto transceiver : transceivers_) {
if (transceiver->mid() == mid) {
return transceiver;
}
}
return nullptr;
}
RtpTransceiverProxyRefPtr TransceiverList::FindByMLineIndex(
size_t mline_index) const {
RTC_DCHECK_RUN_ON(&sequence_checker_);
for (auto transceiver : transceivers_) {
if (transceiver->internal()->mline_index() == mline_index) {
return transceiver;
}
}
return nullptr;
}
} // namespace webrtc
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