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v811_spc009/external/webrtc/sdk/objc/api/peerconnection/RTCPeerConnection.mm

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/*
* Copyright 2015 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.
*/
#import "RTCPeerConnection+Private.h"
#import "RTCConfiguration+Private.h"
#import "RTCDataChannel+Private.h"
#import "RTCIceCandidate+Private.h"
#import "RTCLegacyStatsReport+Private.h"
#import "RTCMediaConstraints+Private.h"
#import "RTCMediaStream+Private.h"
#import "RTCMediaStreamTrack+Private.h"
#import "RTCPeerConnectionFactory+Private.h"
#import "RTCRtpReceiver+Private.h"
#import "RTCRtpSender+Private.h"
#import "RTCRtpTransceiver+Private.h"
#import "RTCSessionDescription+Private.h"
#import "base/RTCLogging.h"
#import "helpers/NSString+StdString.h"
#include <memory>
#include "api/jsep_ice_candidate.h"
#include "api/rtc_event_log_output_file.h"
#include "rtc_base/checks.h"
#include "rtc_base/numerics/safe_conversions.h"
NSString *const kRTCPeerConnectionErrorDomain = @"org.webrtc.RTC_OBJC_TYPE(RTCPeerConnection)";
int const kRTCPeerConnnectionSessionDescriptionError = -1;
namespace webrtc {
class CreateSessionDescriptionObserverAdapter
: public CreateSessionDescriptionObserver {
public:
CreateSessionDescriptionObserverAdapter(void (^completionHandler)(
RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription, NSError *error)) {
completion_handler_ = completionHandler;
}
~CreateSessionDescriptionObserverAdapter() override { completion_handler_ = nil; }
void OnSuccess(SessionDescriptionInterface *desc) override {
RTC_DCHECK(completion_handler_);
std::unique_ptr<webrtc::SessionDescriptionInterface> description =
std::unique_ptr<webrtc::SessionDescriptionInterface>(desc);
RTC_OBJC_TYPE(RTCSessionDescription) *session =
[[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description.get()];
completion_handler_(session, nil);
completion_handler_ = nil;
}
void OnFailure(RTCError error) override {
RTC_DCHECK(completion_handler_);
// TODO(hta): Add handling of error.type()
NSString *str = [NSString stringForStdString:error.message()];
NSError* err =
[NSError errorWithDomain:kRTCPeerConnectionErrorDomain
code:kRTCPeerConnnectionSessionDescriptionError
userInfo:@{ NSLocalizedDescriptionKey : str }];
completion_handler_(nil, err);
completion_handler_ = nil;
}
private:
void (^completion_handler_)(RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription,
NSError *error);
};
class SetSessionDescriptionObserverAdapter :
public SetSessionDescriptionObserver {
public:
SetSessionDescriptionObserverAdapter(void (^completionHandler)
(NSError *error)) {
completion_handler_ = completionHandler;
}
~SetSessionDescriptionObserverAdapter() override { completion_handler_ = nil; }
void OnSuccess() override {
RTC_DCHECK(completion_handler_);
completion_handler_(nil);
completion_handler_ = nil;
}
void OnFailure(RTCError error) override {
RTC_DCHECK(completion_handler_);
// TODO(hta): Add handling of error.type()
NSString *str = [NSString stringForStdString:error.message()];
NSError* err =
[NSError errorWithDomain:kRTCPeerConnectionErrorDomain
code:kRTCPeerConnnectionSessionDescriptionError
userInfo:@{ NSLocalizedDescriptionKey : str }];
completion_handler_(err);
completion_handler_ = nil;
}
private:
void (^completion_handler_)(NSError *error);
};
PeerConnectionDelegateAdapter::PeerConnectionDelegateAdapter(RTC_OBJC_TYPE(RTCPeerConnection) *
peerConnection) {
peer_connection_ = peerConnection;
}
PeerConnectionDelegateAdapter::~PeerConnectionDelegateAdapter() {
peer_connection_ = nil;
}
void PeerConnectionDelegateAdapter::OnSignalingChange(
PeerConnectionInterface::SignalingState new_state) {
RTCSignalingState state =
[[RTC_OBJC_TYPE(RTCPeerConnection) class] signalingStateForNativeState:new_state];
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
[peer_connection.delegate peerConnection:peer_connection
didChangeSignalingState:state];
}
void PeerConnectionDelegateAdapter::OnAddStream(
rtc::scoped_refptr<MediaStreamInterface> stream) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
RTC_OBJC_TYPE(RTCMediaStream) *mediaStream =
[[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory
nativeMediaStream:stream];
[peer_connection.delegate peerConnection:peer_connection
didAddStream:mediaStream];
}
void PeerConnectionDelegateAdapter::OnRemoveStream(
rtc::scoped_refptr<MediaStreamInterface> stream) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
RTC_OBJC_TYPE(RTCMediaStream) *mediaStream =
[[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory
nativeMediaStream:stream];
[peer_connection.delegate peerConnection:peer_connection
didRemoveStream:mediaStream];
}
void PeerConnectionDelegateAdapter::OnTrack(
rtc::scoped_refptr<RtpTransceiverInterface> nativeTransceiver) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
RTC_OBJC_TYPE(RTCRtpTransceiver) *transceiver =
[[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] initWithFactory:peer_connection.factory
nativeRtpTransceiver:nativeTransceiver];
if ([peer_connection.delegate
respondsToSelector:@selector(peerConnection:didStartReceivingOnTransceiver:)]) {
[peer_connection.delegate peerConnection:peer_connection
didStartReceivingOnTransceiver:transceiver];
}
}
void PeerConnectionDelegateAdapter::OnDataChannel(
rtc::scoped_refptr<DataChannelInterface> data_channel) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
RTC_OBJC_TYPE(RTCDataChannel) *dataChannel =
[[RTC_OBJC_TYPE(RTCDataChannel) alloc] initWithFactory:peer_connection.factory
nativeDataChannel:data_channel];
[peer_connection.delegate peerConnection:peer_connection
didOpenDataChannel:dataChannel];
}
void PeerConnectionDelegateAdapter::OnRenegotiationNeeded() {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
[peer_connection.delegate peerConnectionShouldNegotiate:peer_connection];
}
void PeerConnectionDelegateAdapter::OnIceConnectionChange(
PeerConnectionInterface::IceConnectionState new_state) {
RTCIceConnectionState state =
[RTC_OBJC_TYPE(RTCPeerConnection) iceConnectionStateForNativeState:new_state];
[peer_connection_.delegate peerConnection:peer_connection_ didChangeIceConnectionState:state];
}
void PeerConnectionDelegateAdapter::OnStandardizedIceConnectionChange(
PeerConnectionInterface::IceConnectionState new_state) {
if ([peer_connection_.delegate
respondsToSelector:@selector(peerConnection:didChangeStandardizedIceConnectionState:)]) {
RTCIceConnectionState state =
[RTC_OBJC_TYPE(RTCPeerConnection) iceConnectionStateForNativeState:new_state];
[peer_connection_.delegate peerConnection:peer_connection_
didChangeStandardizedIceConnectionState:state];
}
}
void PeerConnectionDelegateAdapter::OnConnectionChange(
PeerConnectionInterface::PeerConnectionState new_state) {
if ([peer_connection_.delegate
respondsToSelector:@selector(peerConnection:didChangeConnectionState:)]) {
RTCPeerConnectionState state =
[RTC_OBJC_TYPE(RTCPeerConnection) connectionStateForNativeState:new_state];
[peer_connection_.delegate peerConnection:peer_connection_ didChangeConnectionState:state];
}
}
void PeerConnectionDelegateAdapter::OnIceGatheringChange(
PeerConnectionInterface::IceGatheringState new_state) {
RTCIceGatheringState state =
[[RTC_OBJC_TYPE(RTCPeerConnection) class] iceGatheringStateForNativeState:new_state];
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
[peer_connection.delegate peerConnection:peer_connection
didChangeIceGatheringState:state];
}
void PeerConnectionDelegateAdapter::OnIceCandidate(
const IceCandidateInterface *candidate) {
RTC_OBJC_TYPE(RTCIceCandidate) *iceCandidate =
[[RTC_OBJC_TYPE(RTCIceCandidate) alloc] initWithNativeCandidate:candidate];
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
[peer_connection.delegate peerConnection:peer_connection
didGenerateIceCandidate:iceCandidate];
}
void PeerConnectionDelegateAdapter::OnIceCandidatesRemoved(
const std::vector<cricket::Candidate>& candidates) {
NSMutableArray* ice_candidates =
[NSMutableArray arrayWithCapacity:candidates.size()];
for (const auto& candidate : candidates) {
std::unique_ptr<JsepIceCandidate> candidate_wrapper(
new JsepIceCandidate(candidate.transport_name(), -1, candidate));
RTC_OBJC_TYPE(RTCIceCandidate) *ice_candidate =
[[RTC_OBJC_TYPE(RTCIceCandidate) alloc] initWithNativeCandidate:candidate_wrapper.get()];
[ice_candidates addObject:ice_candidate];
}
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
[peer_connection.delegate peerConnection:peer_connection
didRemoveIceCandidates:ice_candidates];
}
void PeerConnectionDelegateAdapter::OnIceSelectedCandidatePairChanged(
const cricket::CandidatePairChangeEvent &event) {
const auto &selected_pair = event.selected_candidate_pair;
auto local_candidate_wrapper = std::make_unique<JsepIceCandidate>(
selected_pair.local_candidate().transport_name(), -1, selected_pair.local_candidate());
RTC_OBJC_TYPE(RTCIceCandidate) *local_candidate = [[RTC_OBJC_TYPE(RTCIceCandidate) alloc]
initWithNativeCandidate:local_candidate_wrapper.release()];
auto remote_candidate_wrapper = std::make_unique<JsepIceCandidate>(
selected_pair.remote_candidate().transport_name(), -1, selected_pair.remote_candidate());
RTC_OBJC_TYPE(RTCIceCandidate) *remote_candidate = [[RTC_OBJC_TYPE(RTCIceCandidate) alloc]
initWithNativeCandidate:remote_candidate_wrapper.release()];
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
NSString *nsstr_reason = [NSString stringForStdString:event.reason];
if ([peer_connection.delegate
respondsToSelector:@selector
(peerConnection:didChangeLocalCandidate:remoteCandidate:lastReceivedMs:changeReason:)]) {
[peer_connection.delegate peerConnection:peer_connection
didChangeLocalCandidate:local_candidate
remoteCandidate:remote_candidate
lastReceivedMs:event.last_data_received_ms
changeReason:nsstr_reason];
}
}
void PeerConnectionDelegateAdapter::OnAddTrack(
rtc::scoped_refptr<RtpReceiverInterface> receiver,
const std::vector<rtc::scoped_refptr<MediaStreamInterface>> &streams) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
if ([peer_connection.delegate respondsToSelector:@selector(peerConnection:
didAddReceiver:streams:)]) {
NSMutableArray *mediaStreams = [NSMutableArray arrayWithCapacity:streams.size()];
for (const auto &nativeStream : streams) {
RTC_OBJC_TYPE(RTCMediaStream) *mediaStream =
[[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory
nativeMediaStream:nativeStream];
[mediaStreams addObject:mediaStream];
}
RTC_OBJC_TYPE(RTCRtpReceiver) *rtpReceiver =
[[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:peer_connection.factory
nativeRtpReceiver:receiver];
[peer_connection.delegate peerConnection:peer_connection
didAddReceiver:rtpReceiver
streams:mediaStreams];
}
}
void PeerConnectionDelegateAdapter::OnRemoveTrack(
rtc::scoped_refptr<RtpReceiverInterface> receiver) {
RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_;
if ([peer_connection.delegate respondsToSelector:@selector(peerConnection:didRemoveReceiver:)]) {
RTC_OBJC_TYPE(RTCRtpReceiver) *rtpReceiver =
[[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:peer_connection.factory
nativeRtpReceiver:receiver];
[peer_connection.delegate peerConnection:peer_connection didRemoveReceiver:rtpReceiver];
}
}
} // namespace webrtc
@implementation RTC_OBJC_TYPE (RTCPeerConnection) {
RTC_OBJC_TYPE(RTCPeerConnectionFactory) * _factory;
NSMutableArray<RTC_OBJC_TYPE(RTCMediaStream) *> *_localStreams;
std::unique_ptr<webrtc::PeerConnectionDelegateAdapter> _observer;
rtc::scoped_refptr<webrtc::PeerConnectionInterface> _peerConnection;
std::unique_ptr<webrtc::MediaConstraints> _nativeConstraints;
BOOL _hasStartedRtcEventLog;
}
@synthesize delegate = _delegate;
@synthesize factory = _factory;
- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory
configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration
constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints
delegate:(id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate {
NSParameterAssert(factory);
std::unique_ptr<webrtc::PeerConnectionDependencies> dependencies =
std::make_unique<webrtc::PeerConnectionDependencies>(nullptr);
return [self initWithDependencies:factory
configuration:configuration
constraints:constraints
dependencies:std::move(dependencies)
delegate:delegate];
}
- (instancetype)initWithDependencies:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory
configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration
constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints
dependencies:
(std::unique_ptr<webrtc::PeerConnectionDependencies>)dependencies
delegate:(id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate {
NSParameterAssert(factory);
NSParameterAssert(dependencies.get());
std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration> config(
[configuration createNativeConfiguration]);
if (!config) {
return nil;
}
if (self = [super init]) {
_observer.reset(new webrtc::PeerConnectionDelegateAdapter(self));
_nativeConstraints = constraints.nativeConstraints;
CopyConstraintsIntoRtcConfiguration(_nativeConstraints.get(), config.get());
webrtc::PeerConnectionDependencies deps = std::move(*dependencies.release());
deps.observer = _observer.get();
_peerConnection = factory.nativeFactory->CreatePeerConnection(*config, std::move(deps));
if (!_peerConnection) {
return nil;
}
_factory = factory;
_localStreams = [[NSMutableArray alloc] init];
_delegate = delegate;
}
return self;
}
- (NSArray<RTC_OBJC_TYPE(RTCMediaStream) *> *)localStreams {
return [_localStreams copy];
}
- (RTC_OBJC_TYPE(RTCSessionDescription) *)localDescription {
const webrtc::SessionDescriptionInterface *description =
_peerConnection->local_description();
return description ?
[[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description] :
nil;
}
- (RTC_OBJC_TYPE(RTCSessionDescription) *)remoteDescription {
const webrtc::SessionDescriptionInterface *description =
_peerConnection->remote_description();
return description ?
[[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description] :
nil;
}
- (RTCSignalingState)signalingState {
return [[self class]
signalingStateForNativeState:_peerConnection->signaling_state()];
}
- (RTCIceConnectionState)iceConnectionState {
return [[self class] iceConnectionStateForNativeState:
_peerConnection->ice_connection_state()];
}
- (RTCPeerConnectionState)connectionState {
return [[self class] connectionStateForNativeState:_peerConnection->peer_connection_state()];
}
- (RTCIceGatheringState)iceGatheringState {
return [[self class] iceGatheringStateForNativeState:
_peerConnection->ice_gathering_state()];
}
- (BOOL)setConfiguration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration {
std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration> config(
[configuration createNativeConfiguration]);
if (!config) {
return NO;
}
CopyConstraintsIntoRtcConfiguration(_nativeConstraints.get(),
config.get());
return _peerConnection->SetConfiguration(*config).ok();
}
- (RTC_OBJC_TYPE(RTCConfiguration) *)configuration {
webrtc::PeerConnectionInterface::RTCConfiguration config =
_peerConnection->GetConfiguration();
return [[RTC_OBJC_TYPE(RTCConfiguration) alloc] initWithNativeConfiguration:config];
}
- (void)close {
_peerConnection->Close();
}
- (void)addIceCandidate:(RTC_OBJC_TYPE(RTCIceCandidate) *)candidate {
std::unique_ptr<const webrtc::IceCandidateInterface> iceCandidate(
candidate.nativeCandidate);
_peerConnection->AddIceCandidate(iceCandidate.get());
}
- (void)removeIceCandidates:(NSArray<RTC_OBJC_TYPE(RTCIceCandidate) *> *)iceCandidates {
std::vector<cricket::Candidate> candidates;
for (RTC_OBJC_TYPE(RTCIceCandidate) * iceCandidate in iceCandidates) {
std::unique_ptr<const webrtc::IceCandidateInterface> candidate(
iceCandidate.nativeCandidate);
if (candidate) {
candidates.push_back(candidate->candidate());
// Need to fill the transport name from the sdp_mid.
candidates.back().set_transport_name(candidate->sdp_mid());
}
}
if (!candidates.empty()) {
_peerConnection->RemoveIceCandidates(candidates);
}
}
- (void)addStream:(RTC_OBJC_TYPE(RTCMediaStream) *)stream {
if (!_peerConnection->AddStream(stream.nativeMediaStream)) {
RTCLogError(@"Failed to add stream: %@", stream);
return;
}
[_localStreams addObject:stream];
}
- (void)removeStream:(RTC_OBJC_TYPE(RTCMediaStream) *)stream {
_peerConnection->RemoveStream(stream.nativeMediaStream);
[_localStreams removeObject:stream];
}
- (RTC_OBJC_TYPE(RTCRtpSender) *)addTrack:(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track
streamIds:(NSArray<NSString *> *)streamIds {
std::vector<std::string> nativeStreamIds;
for (NSString *streamId in streamIds) {
nativeStreamIds.push_back([streamId UTF8String]);
}
webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpSenderInterface>> nativeSenderOrError =
_peerConnection->AddTrack(track.nativeTrack, nativeStreamIds);
if (!nativeSenderOrError.ok()) {
RTCLogError(@"Failed to add track %@: %s", track, nativeSenderOrError.error().message());
return nil;
}
return [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory
nativeRtpSender:nativeSenderOrError.MoveValue()];
}
- (BOOL)removeTrack:(RTC_OBJC_TYPE(RTCRtpSender) *)sender {
bool result = _peerConnection->RemoveTrack(sender.nativeRtpSender);
if (!result) {
RTCLogError(@"Failed to remote track %@", sender);
}
return result;
}
- (RTC_OBJC_TYPE(RTCRtpTransceiver) *)addTransceiverWithTrack:
(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track {
return [self addTransceiverWithTrack:track
init:[[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]];
}
- (RTC_OBJC_TYPE(RTCRtpTransceiver) *)
addTransceiverWithTrack:(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track
init:(RTC_OBJC_TYPE(RTCRtpTransceiverInit) *)init {
webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceiverOrError =
_peerConnection->AddTransceiver(track.nativeTrack, init.nativeInit);
if (!nativeTransceiverOrError.ok()) {
RTCLogError(
@"Failed to add transceiver %@: %s", track, nativeTransceiverOrError.error().message());
return nil;
}
return [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc]
initWithFactory:self.factory
nativeRtpTransceiver:nativeTransceiverOrError.MoveValue()];
}
- (RTC_OBJC_TYPE(RTCRtpTransceiver) *)addTransceiverOfType:(RTCRtpMediaType)mediaType {
return [self addTransceiverOfType:mediaType
init:[[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]];
}
- (RTC_OBJC_TYPE(RTCRtpTransceiver) *)addTransceiverOfType:(RTCRtpMediaType)mediaType
init:(RTC_OBJC_TYPE(RTCRtpTransceiverInit) *)
init {
webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceiverOrError =
_peerConnection->AddTransceiver(
[RTC_OBJC_TYPE(RTCRtpReceiver) nativeMediaTypeForMediaType:mediaType], init.nativeInit);
if (!nativeTransceiverOrError.ok()) {
RTCLogError(@"Failed to add transceiver %@: %s",
[RTC_OBJC_TYPE(RTCRtpReceiver) stringForMediaType:mediaType],
nativeTransceiverOrError.error().message());
return nil;
}
return [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc]
initWithFactory:self.factory
nativeRtpTransceiver:nativeTransceiverOrError.MoveValue()];
}
- (void)offerForConstraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints
completionHandler:(void (^)(RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription,
NSError *error))completionHandler {
rtc::scoped_refptr<webrtc::CreateSessionDescriptionObserverAdapter>
observer(new rtc::RefCountedObject
<webrtc::CreateSessionDescriptionObserverAdapter>(completionHandler));
webrtc::PeerConnectionInterface::RTCOfferAnswerOptions options;
CopyConstraintsIntoOfferAnswerOptions(constraints.nativeConstraints.get(), &options);
_peerConnection->CreateOffer(observer, options);
}
- (void)answerForConstraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints
completionHandler:(void (^)(RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription,
NSError *error))completionHandler {
rtc::scoped_refptr<webrtc::CreateSessionDescriptionObserverAdapter>
observer(new rtc::RefCountedObject
<webrtc::CreateSessionDescriptionObserverAdapter>(completionHandler));
webrtc::PeerConnectionInterface::RTCOfferAnswerOptions options;
CopyConstraintsIntoOfferAnswerOptions(constraints.nativeConstraints.get(), &options);
_peerConnection->CreateAnswer(observer, options);
}
- (void)setLocalDescription:(RTC_OBJC_TYPE(RTCSessionDescription) *)sdp
completionHandler:(void (^)(NSError *error))completionHandler {
rtc::scoped_refptr<webrtc::SetSessionDescriptionObserverAdapter> observer(
new rtc::RefCountedObject<webrtc::SetSessionDescriptionObserverAdapter>(
completionHandler));
_peerConnection->SetLocalDescription(observer, sdp.nativeDescription);
}
- (void)setRemoteDescription:(RTC_OBJC_TYPE(RTCSessionDescription) *)sdp
completionHandler:(void (^)(NSError *error))completionHandler {
rtc::scoped_refptr<webrtc::SetSessionDescriptionObserverAdapter> observer(
new rtc::RefCountedObject<webrtc::SetSessionDescriptionObserverAdapter>(
completionHandler));
_peerConnection->SetRemoteDescription(observer, sdp.nativeDescription);
}
- (BOOL)setBweMinBitrateBps:(nullable NSNumber *)minBitrateBps
currentBitrateBps:(nullable NSNumber *)currentBitrateBps
maxBitrateBps:(nullable NSNumber *)maxBitrateBps {
webrtc::BitrateSettings params;
if (minBitrateBps != nil) {
params.min_bitrate_bps = absl::optional<int>(minBitrateBps.intValue);
}
if (currentBitrateBps != nil) {
params.start_bitrate_bps = absl::optional<int>(currentBitrateBps.intValue);
}
if (maxBitrateBps != nil) {
params.max_bitrate_bps = absl::optional<int>(maxBitrateBps.intValue);
}
return _peerConnection->SetBitrate(params).ok();
}
- (BOOL)startRtcEventLogWithFilePath:(NSString *)filePath
maxSizeInBytes:(int64_t)maxSizeInBytes {
RTC_DCHECK(filePath.length);
RTC_DCHECK_GT(maxSizeInBytes, 0);
RTC_DCHECK(!_hasStartedRtcEventLog);
if (_hasStartedRtcEventLog) {
RTCLogError(@"Event logging already started.");
return NO;
}
FILE *f = fopen(filePath.UTF8String, "wb");
if (!f) {
RTCLogError(@"Error opening file: %@. Error: %d", filePath, errno);
return NO;
}
// TODO(eladalon): It would be better to not allow negative values into PC.
const size_t max_size = (maxSizeInBytes < 0) ? webrtc::RtcEventLog::kUnlimitedOutput :
rtc::saturated_cast<size_t>(maxSizeInBytes);
_hasStartedRtcEventLog = _peerConnection->StartRtcEventLog(
std::make_unique<webrtc::RtcEventLogOutputFile>(f, max_size));
return _hasStartedRtcEventLog;
}
- (void)stopRtcEventLog {
_peerConnection->StopRtcEventLog();
_hasStartedRtcEventLog = NO;
}
- (RTC_OBJC_TYPE(RTCRtpSender) *)senderWithKind:(NSString *)kind streamId:(NSString *)streamId {
std::string nativeKind = [NSString stdStringForString:kind];
std::string nativeStreamId = [NSString stdStringForString:streamId];
rtc::scoped_refptr<webrtc::RtpSenderInterface> nativeSender(
_peerConnection->CreateSender(nativeKind, nativeStreamId));
return nativeSender ? [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory
nativeRtpSender:nativeSender] :
nil;
}
- (NSArray<RTC_OBJC_TYPE(RTCRtpSender) *> *)senders {
std::vector<rtc::scoped_refptr<webrtc::RtpSenderInterface>> nativeSenders(
_peerConnection->GetSenders());
NSMutableArray *senders = [[NSMutableArray alloc] init];
for (const auto &nativeSender : nativeSenders) {
RTC_OBJC_TYPE(RTCRtpSender) *sender =
[[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory
nativeRtpSender:nativeSender];
[senders addObject:sender];
}
return senders;
}
- (NSArray<RTC_OBJC_TYPE(RTCRtpReceiver) *> *)receivers {
std::vector<rtc::scoped_refptr<webrtc::RtpReceiverInterface>> nativeReceivers(
_peerConnection->GetReceivers());
NSMutableArray *receivers = [[NSMutableArray alloc] init];
for (const auto &nativeReceiver : nativeReceivers) {
RTC_OBJC_TYPE(RTCRtpReceiver) *receiver =
[[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:self.factory
nativeRtpReceiver:nativeReceiver];
[receivers addObject:receiver];
}
return receivers;
}
- (NSArray<RTC_OBJC_TYPE(RTCRtpTransceiver) *> *)transceivers {
std::vector<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceivers(
_peerConnection->GetTransceivers());
NSMutableArray *transceivers = [[NSMutableArray alloc] init];
for (const auto &nativeTransceiver : nativeTransceivers) {
RTC_OBJC_TYPE(RTCRtpTransceiver) *transceiver =
[[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] initWithFactory:self.factory
nativeRtpTransceiver:nativeTransceiver];
[transceivers addObject:transceiver];
}
return transceivers;
}
#pragma mark - Private
+ (webrtc::PeerConnectionInterface::SignalingState)nativeSignalingStateForState:
(RTCSignalingState)state {
switch (state) {
case RTCSignalingStateStable:
return webrtc::PeerConnectionInterface::kStable;
case RTCSignalingStateHaveLocalOffer:
return webrtc::PeerConnectionInterface::kHaveLocalOffer;
case RTCSignalingStateHaveLocalPrAnswer:
return webrtc::PeerConnectionInterface::kHaveLocalPrAnswer;
case RTCSignalingStateHaveRemoteOffer:
return webrtc::PeerConnectionInterface::kHaveRemoteOffer;
case RTCSignalingStateHaveRemotePrAnswer:
return webrtc::PeerConnectionInterface::kHaveRemotePrAnswer;
case RTCSignalingStateClosed:
return webrtc::PeerConnectionInterface::kClosed;
}
}
+ (RTCSignalingState)signalingStateForNativeState:
(webrtc::PeerConnectionInterface::SignalingState)nativeState {
switch (nativeState) {
case webrtc::PeerConnectionInterface::kStable:
return RTCSignalingStateStable;
case webrtc::PeerConnectionInterface::kHaveLocalOffer:
return RTCSignalingStateHaveLocalOffer;
case webrtc::PeerConnectionInterface::kHaveLocalPrAnswer:
return RTCSignalingStateHaveLocalPrAnswer;
case webrtc::PeerConnectionInterface::kHaveRemoteOffer:
return RTCSignalingStateHaveRemoteOffer;
case webrtc::PeerConnectionInterface::kHaveRemotePrAnswer:
return RTCSignalingStateHaveRemotePrAnswer;
case webrtc::PeerConnectionInterface::kClosed:
return RTCSignalingStateClosed;
}
}
+ (NSString *)stringForSignalingState:(RTCSignalingState)state {
switch (state) {
case RTCSignalingStateStable:
return @"STABLE";
case RTCSignalingStateHaveLocalOffer:
return @"HAVE_LOCAL_OFFER";
case RTCSignalingStateHaveLocalPrAnswer:
return @"HAVE_LOCAL_PRANSWER";
case RTCSignalingStateHaveRemoteOffer:
return @"HAVE_REMOTE_OFFER";
case RTCSignalingStateHaveRemotePrAnswer:
return @"HAVE_REMOTE_PRANSWER";
case RTCSignalingStateClosed:
return @"CLOSED";
}
}
+ (webrtc::PeerConnectionInterface::PeerConnectionState)nativeConnectionStateForState:
(RTCPeerConnectionState)state {
switch (state) {
case RTCPeerConnectionStateNew:
return webrtc::PeerConnectionInterface::PeerConnectionState::kNew;
case RTCPeerConnectionStateConnecting:
return webrtc::PeerConnectionInterface::PeerConnectionState::kConnecting;
case RTCPeerConnectionStateConnected:
return webrtc::PeerConnectionInterface::PeerConnectionState::kConnected;
case RTCPeerConnectionStateFailed:
return webrtc::PeerConnectionInterface::PeerConnectionState::kFailed;
case RTCPeerConnectionStateDisconnected:
return webrtc::PeerConnectionInterface::PeerConnectionState::kDisconnected;
case RTCPeerConnectionStateClosed:
return webrtc::PeerConnectionInterface::PeerConnectionState::kClosed;
}
}
+ (RTCPeerConnectionState)connectionStateForNativeState:
(webrtc::PeerConnectionInterface::PeerConnectionState)nativeState {
switch (nativeState) {
case webrtc::PeerConnectionInterface::PeerConnectionState::kNew:
return RTCPeerConnectionStateNew;
case webrtc::PeerConnectionInterface::PeerConnectionState::kConnecting:
return RTCPeerConnectionStateConnecting;
case webrtc::PeerConnectionInterface::PeerConnectionState::kConnected:
return RTCPeerConnectionStateConnected;
case webrtc::PeerConnectionInterface::PeerConnectionState::kFailed:
return RTCPeerConnectionStateFailed;
case webrtc::PeerConnectionInterface::PeerConnectionState::kDisconnected:
return RTCPeerConnectionStateDisconnected;
case webrtc::PeerConnectionInterface::PeerConnectionState::kClosed:
return RTCPeerConnectionStateClosed;
}
}
+ (NSString *)stringForConnectionState:(RTCPeerConnectionState)state {
switch (state) {
case RTCPeerConnectionStateNew:
return @"NEW";
case RTCPeerConnectionStateConnecting:
return @"CONNECTING";
case RTCPeerConnectionStateConnected:
return @"CONNECTED";
case RTCPeerConnectionStateFailed:
return @"FAILED";
case RTCPeerConnectionStateDisconnected:
return @"DISCONNECTED";
case RTCPeerConnectionStateClosed:
return @"CLOSED";
}
}
+ (webrtc::PeerConnectionInterface::IceConnectionState)
nativeIceConnectionStateForState:(RTCIceConnectionState)state {
switch (state) {
case RTCIceConnectionStateNew:
return webrtc::PeerConnectionInterface::kIceConnectionNew;
case RTCIceConnectionStateChecking:
return webrtc::PeerConnectionInterface::kIceConnectionChecking;
case RTCIceConnectionStateConnected:
return webrtc::PeerConnectionInterface::kIceConnectionConnected;
case RTCIceConnectionStateCompleted:
return webrtc::PeerConnectionInterface::kIceConnectionCompleted;
case RTCIceConnectionStateFailed:
return webrtc::PeerConnectionInterface::kIceConnectionFailed;
case RTCIceConnectionStateDisconnected:
return webrtc::PeerConnectionInterface::kIceConnectionDisconnected;
case RTCIceConnectionStateClosed:
return webrtc::PeerConnectionInterface::kIceConnectionClosed;
case RTCIceConnectionStateCount:
return webrtc::PeerConnectionInterface::kIceConnectionMax;
}
}
+ (RTCIceConnectionState)iceConnectionStateForNativeState:
(webrtc::PeerConnectionInterface::IceConnectionState)nativeState {
switch (nativeState) {
case webrtc::PeerConnectionInterface::kIceConnectionNew:
return RTCIceConnectionStateNew;
case webrtc::PeerConnectionInterface::kIceConnectionChecking:
return RTCIceConnectionStateChecking;
case webrtc::PeerConnectionInterface::kIceConnectionConnected:
return RTCIceConnectionStateConnected;
case webrtc::PeerConnectionInterface::kIceConnectionCompleted:
return RTCIceConnectionStateCompleted;
case webrtc::PeerConnectionInterface::kIceConnectionFailed:
return RTCIceConnectionStateFailed;
case webrtc::PeerConnectionInterface::kIceConnectionDisconnected:
return RTCIceConnectionStateDisconnected;
case webrtc::PeerConnectionInterface::kIceConnectionClosed:
return RTCIceConnectionStateClosed;
case webrtc::PeerConnectionInterface::kIceConnectionMax:
return RTCIceConnectionStateCount;
}
}
+ (NSString *)stringForIceConnectionState:(RTCIceConnectionState)state {
switch (state) {
case RTCIceConnectionStateNew:
return @"NEW";
case RTCIceConnectionStateChecking:
return @"CHECKING";
case RTCIceConnectionStateConnected:
return @"CONNECTED";
case RTCIceConnectionStateCompleted:
return @"COMPLETED";
case RTCIceConnectionStateFailed:
return @"FAILED";
case RTCIceConnectionStateDisconnected:
return @"DISCONNECTED";
case RTCIceConnectionStateClosed:
return @"CLOSED";
case RTCIceConnectionStateCount:
return @"COUNT";
}
}
+ (webrtc::PeerConnectionInterface::IceGatheringState)
nativeIceGatheringStateForState:(RTCIceGatheringState)state {
switch (state) {
case RTCIceGatheringStateNew:
return webrtc::PeerConnectionInterface::kIceGatheringNew;
case RTCIceGatheringStateGathering:
return webrtc::PeerConnectionInterface::kIceGatheringGathering;
case RTCIceGatheringStateComplete:
return webrtc::PeerConnectionInterface::kIceGatheringComplete;
}
}
+ (RTCIceGatheringState)iceGatheringStateForNativeState:
(webrtc::PeerConnectionInterface::IceGatheringState)nativeState {
switch (nativeState) {
case webrtc::PeerConnectionInterface::kIceGatheringNew:
return RTCIceGatheringStateNew;
case webrtc::PeerConnectionInterface::kIceGatheringGathering:
return RTCIceGatheringStateGathering;
case webrtc::PeerConnectionInterface::kIceGatheringComplete:
return RTCIceGatheringStateComplete;
}
}
+ (NSString *)stringForIceGatheringState:(RTCIceGatheringState)state {
switch (state) {
case RTCIceGatheringStateNew:
return @"NEW";
case RTCIceGatheringStateGathering:
return @"GATHERING";
case RTCIceGatheringStateComplete:
return @"COMPLETE";
}
}
+ (webrtc::PeerConnectionInterface::StatsOutputLevel)
nativeStatsOutputLevelForLevel:(RTCStatsOutputLevel)level {
switch (level) {
case RTCStatsOutputLevelStandard:
return webrtc::PeerConnectionInterface::kStatsOutputLevelStandard;
case RTCStatsOutputLevelDebug:
return webrtc::PeerConnectionInterface::kStatsOutputLevelDebug;
}
}
- (rtc::scoped_refptr<webrtc::PeerConnectionInterface>)nativePeerConnection {
return _peerConnection;
}
@end
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