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/*
* Copyright (C) 2016 Ericsson AB. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Ericsson nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RTCRtpTransceiver.h"
#if ENABLE(WEB_RTC)
#include <wtf/NeverDestroyed.h>
namespace WebCore {
#define STRING_FUNCTION(name) \
static const String& name##String() \
{ \
static NeverDestroyed<const String> name { ASCIILiteral(#name) }; \
return name; \
}
STRING_FUNCTION(sendrecv)
STRING_FUNCTION(sendonly)
STRING_FUNCTION(recvonly)
STRING_FUNCTION(inactive)
String RTCRtpTransceiver::getNextMid()
{
static unsigned mid = 0;
return String::number(++mid);
}
RTCRtpTransceiver::RTCRtpTransceiver(Ref<RTCRtpSender>&& sender, Ref<RTCRtpReceiver>&& receiver)
: m_direction(Direction::Sendrecv)
, m_sender(WTFMove(sender))
, m_receiver(WTFMove(receiver))
, m_iceTransport(RTCIceTransport::create())
{
}
const String& RTCRtpTransceiver::directionString() const
{
switch (m_direction) {
case Direction::Sendrecv: return sendrecvString();
case Direction::Sendonly: return sendonlyString();
case Direction::Recvonly: return recvonlyString();
case Direction::Inactive: return inactiveString();
}
ASSERT_NOT_REACHED();
return inactiveString();
}
bool RTCRtpTransceiver::hasSendingDirection() const
{
return m_direction == Direction::Sendrecv || m_direction == Direction::Sendonly;
}
void RTCRtpTransceiver::enableSendingDirection()
{
if (m_direction == Direction::Recvonly)
m_direction = Direction::Sendrecv;
else if (m_direction == Direction::Inactive)
m_direction = Direction::Sendonly;
}
void RTCRtpTransceiver::disableSendingDirection()
{
if (m_direction == Direction::Sendrecv)
m_direction = Direction::Recvonly;
else if (m_direction == Direction::Sendonly)
m_direction = Direction::Inactive;
}
void RtpTransceiverSet::append(Ref<RTCRtpTransceiver>&& transceiver)
{
m_senders.append(transceiver->sender());
m_receivers.append(transceiver->receiver());
m_transceivers.append(WTFMove(transceiver));
}
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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