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/*
* Copyright 2017 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.
*/
#ifndef PC_RTP_MEDIA_UTILS_H_
#define PC_RTP_MEDIA_UTILS_H_
#include "api/rtp_transceiver_direction.h"
namespace webrtc {
// Returns the RtpTransceiverDirection that satisfies specified send and receive
// conditions.
RtpTransceiverDirection RtpTransceiverDirectionFromSendRecv(bool send,
bool recv);
// Returns true only if the direction will send media.
bool RtpTransceiverDirectionHasSend(RtpTransceiverDirection direction);
// Returns true only if the direction will receive media.
bool RtpTransceiverDirectionHasRecv(RtpTransceiverDirection direction);
// Returns the RtpTransceiverDirection which is the reverse of the given
// direction.
RtpTransceiverDirection RtpTransceiverDirectionReversed(
RtpTransceiverDirection direction);
// Returns the RtpTransceiverDirection with its send component set to `send`.
RtpTransceiverDirection RtpTransceiverDirectionWithSendSet(
RtpTransceiverDirection direction,
bool send = true);
// Returns the RtpTransceiverDirection with its recv component set to `recv`.
RtpTransceiverDirection RtpTransceiverDirectionWithRecvSet(
RtpTransceiverDirection direction,
bool recv = true);
// Returns an unspecified string representation of the given direction.
const char* RtpTransceiverDirectionToString(RtpTransceiverDirection direction);
// Returns the intersection of the directions of two transceivers.
RtpTransceiverDirection RtpTransceiverDirectionIntersection(
RtpTransceiverDirection lhs,
RtpTransceiverDirection rhs);
} // namespace webrtc
#endif // PC_RTP_MEDIA_UTILS_H_