webrtc/pc/rtp_media_utils.cc
Guido Urdaneta 70c2db1aa0 Reland "Make negotiationneeded processing in PeerConnection spec compliant."
The new processing applies only in Unified Plan mode.
Plan B retains the old-style processing.

This is a reland of 1fa06041bc

Original change's description:
> Make negotiationneeded processing in PeerConnection spec compliant.
>
> This CL fixes the problem of misfired negotiationneeded notifications due
> to the lack of a NegotiationNeeded slot and the proper procedure to
> update it.
>
>
> Change-Id: Ie273c691f11316c9846606446f6cf838226b5d5c
> Bug: chromium:740501
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131283
> Commit-Queue: Guido Urdaneta <guidou@webrtc.org>
> Reviewed-by: Steve Anton <steveanton@webrtc.org>
> Reviewed-by: Henrik Boström <hbos@webrtc.org>
> Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#27594}

Bug: chromium:740501
Change-Id: I048ae81b2b00086f6d669e94eecf426f0db0ec08
TBR: steveanton@webrtc.org
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133162
Commit-Queue: Guido Urdaneta <guidou@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27640}
2019-04-16 12:04:33 +00:00

94 lines
3 KiB
C++

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