99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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* Copyright 2017 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 "pc/rtp_media_utils.h"
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#include "rtc_base/checks.h"
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namespace webrtc {
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RtpTransceiverDirection RtpTransceiverDirectionFromSendRecv(bool send,
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bool recv) {
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if (send && recv) {
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return RtpTransceiverDirection::kSendRecv;
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} else if (send && !recv) {
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return RtpTransceiverDirection::kSendOnly;
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} else if (!send && recv) {
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return RtpTransceiverDirection::kRecvOnly;
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} else {
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return RtpTransceiverDirection::kInactive;
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}
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}
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bool RtpTransceiverDirectionHasSend(RtpTransceiverDirection direction) {
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return direction == RtpTransceiverDirection::kSendRecv ||
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direction == RtpTransceiverDirection::kSendOnly;
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}
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bool RtpTransceiverDirectionHasRecv(RtpTransceiverDirection direction) {
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return direction == RtpTransceiverDirection::kSendRecv ||
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direction == RtpTransceiverDirection::kRecvOnly;
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}
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RtpTransceiverDirection RtpTransceiverDirectionReversed(
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RtpTransceiverDirection direction) {
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switch (direction) {
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case RtpTransceiverDirection::kSendRecv:
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case RtpTransceiverDirection::kInactive:
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case RtpTransceiverDirection::kStopped:
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return direction;
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case RtpTransceiverDirection::kSendOnly:
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return RtpTransceiverDirection::kRecvOnly;
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case RtpTransceiverDirection::kRecvOnly:
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return RtpTransceiverDirection::kSendOnly;
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default:
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RTC_NOTREACHED();
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return direction;
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}
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}
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RtpTransceiverDirection RtpTransceiverDirectionWithSendSet(
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RtpTransceiverDirection direction,
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bool send) {
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return RtpTransceiverDirectionFromSendRecv(
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send, RtpTransceiverDirectionHasRecv(direction));
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}
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RtpTransceiverDirection RtpTransceiverDirectionWithRecvSet(
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RtpTransceiverDirection direction,
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bool recv) {
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return RtpTransceiverDirectionFromSendRecv(
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RtpTransceiverDirectionHasSend(direction), recv);
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}
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const char* RtpTransceiverDirectionToString(RtpTransceiverDirection direction) {
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switch (direction) {
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case RtpTransceiverDirection::kSendRecv:
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return "kSendRecv";
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case RtpTransceiverDirection::kSendOnly:
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return "kSendOnly";
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case RtpTransceiverDirection::kRecvOnly:
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return "kRecvOnly";
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case RtpTransceiverDirection::kInactive:
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return "kInactive";
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case RtpTransceiverDirection::kStopped:
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return "kStopped";
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}
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RTC_NOTREACHED();
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return "";
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}
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RtpTransceiverDirection RtpTransceiverDirectionIntersection(
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RtpTransceiverDirection lhs,
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RtpTransceiverDirection rhs) {
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return RtpTransceiverDirectionFromSendRecv(
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RtpTransceiverDirectionHasSend(lhs) &&
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RtpTransceiverDirectionHasSend(rhs),
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RtpTransceiverDirectionHasRecv(lhs) &&
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RtpTransceiverDirectionHasRecv(rhs));
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}
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} // namespace webrtc
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