1 files changed, 190 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCRtpTransceiver.mm b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCRtpTransceiver.mm
new file mode 100644
index 0000000000..ae1cf79864
--- /dev/null
+++ b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCRtpTransceiver.mm
@@ -0,0 +1,190 @@
+/*
+ *  Copyright 2018 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 "RTCRtpTransceiver+Private.h"
+
+#import "RTCRtpEncodingParameters+Private.h"
+#import "RTCRtpParameters+Private.h"
+#import "RTCRtpReceiver+Private.h"
+#import "RTCRtpSender+Private.h"
+#import "base/RTCLogging.h"
+#import "helpers/NSString+StdString.h"
+
+NSString *const kRTCRtpTransceiverErrorDomain = @"org.webrtc.RTCRtpTranceiver";
+
+@implementation RTC_OBJC_TYPE (RTCRtpTransceiverInit)
+
+@synthesize direction = _direction;
+@synthesize streamIds = _streamIds;
+@synthesize sendEncodings = _sendEncodings;
+
+- (instancetype)init {
+  if (self = [super init]) {
+    _direction = RTCRtpTransceiverDirectionSendRecv;
+  }
+  return self;
+}
+
+- (webrtc::RtpTransceiverInit)nativeInit {
+  webrtc::RtpTransceiverInit init;
+  init.direction =
+      [RTC_OBJC_TYPE(RTCRtpTransceiver) nativeRtpTransceiverDirectionFromDirection:_direction];
+  for (NSString *streamId in _streamIds) {
+    init.stream_ids.push_back([streamId UTF8String]);
+  }
+  for (RTC_OBJC_TYPE(RTCRtpEncodingParameters) * sendEncoding in _sendEncodings) {
+    init.send_encodings.push_back(sendEncoding.nativeParameters);
+  }
+  return init;
+}
+
+@end
+
+@implementation RTC_OBJC_TYPE (RTCRtpTransceiver) {
+  RTC_OBJC_TYPE(RTCPeerConnectionFactory) * _factory;
+  rtc::scoped_refptr<webrtc::RtpTransceiverInterface> _nativeRtpTransceiver;
+}
+
+- (RTCRtpMediaType)mediaType {
+  return [RTC_OBJC_TYPE(RTCRtpReceiver)
+      mediaTypeForNativeMediaType:_nativeRtpTransceiver->media_type()];
+}
+
+- (NSString *)mid {
+  if (_nativeRtpTransceiver->mid()) {
+    return [NSString stringForStdString:*_nativeRtpTransceiver->mid()];
+  } else {
+    return nil;
+  }
+}
+
+@synthesize sender = _sender;
+@synthesize receiver = _receiver;
+
+- (BOOL)isStopped {
+  return _nativeRtpTransceiver->stopped();
+}
+
+- (RTCRtpTransceiverDirection)direction {
+  return [RTC_OBJC_TYPE(RTCRtpTransceiver)
+      rtpTransceiverDirectionFromNativeDirection:_nativeRtpTransceiver->direction()];
+}
+
+- (void)setDirection:(RTCRtpTransceiverDirection)direction error:(NSError **)error {
+  webrtc::RTCError nativeError = _nativeRtpTransceiver->SetDirectionWithError(
+      [RTC_OBJC_TYPE(RTCRtpTransceiver) nativeRtpTransceiverDirectionFromDirection:direction]);
+
+  if (!nativeError.ok() && error) {
+    *error = [NSError errorWithDomain:kRTCRtpTransceiverErrorDomain
+                                 code:static_cast<int>(nativeError.type())
+                             userInfo:@{
+                               @"message" : [NSString stringWithCString:nativeError.message()
+                                                               encoding:NSUTF8StringEncoding]
+                             }];
+  }
+}
+
+- (BOOL)currentDirection:(RTCRtpTransceiverDirection *)currentDirectionOut {
+  if (_nativeRtpTransceiver->current_direction()) {
+    *currentDirectionOut = [RTC_OBJC_TYPE(RTCRtpTransceiver)
+        rtpTransceiverDirectionFromNativeDirection:*_nativeRtpTransceiver->current_direction()];
+    return YES;
+  } else {
+    return NO;
+  }
+}
+
+- (void)stopInternal {
+  _nativeRtpTransceiver->StopInternal();
+}
+
+- (NSString *)description {
+  return [NSString
+      stringWithFormat:@"RTC_OBJC_TYPE(RTCRtpTransceiver) {\n  sender: %@\n  receiver: %@\n}",
+                       _sender,
+                       _receiver];
+}
+
+- (BOOL)isEqual:(id)object {
+  if (self == object) {
+    return YES;
+  }
+  if (object == nil) {
+    return NO;
+  }
+  if (![object isMemberOfClass:[self class]]) {
+    return NO;
+  }
+  RTC_OBJC_TYPE(RTCRtpTransceiver) *transceiver = (RTC_OBJC_TYPE(RTCRtpTransceiver) *)object;
+  return _nativeRtpTransceiver == transceiver.nativeRtpTransceiver;
+}
+
+- (NSUInteger)hash {
+  return (NSUInteger)_nativeRtpTransceiver.get();
+}
+
+#pragma mark - Private
+
+- (rtc::scoped_refptr<webrtc::RtpTransceiverInterface>)nativeRtpTransceiver {
+  return _nativeRtpTransceiver;
+}
+
+- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory
+           nativeRtpTransceiver:
+               (rtc::scoped_refptr<webrtc::RtpTransceiverInterface>)nativeRtpTransceiver {
+  NSParameterAssert(factory);
+  NSParameterAssert(nativeRtpTransceiver);
+  if (self = [super init]) {
+    _factory = factory;
+    _nativeRtpTransceiver = nativeRtpTransceiver;
+    _sender = [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:_factory
+                                                   nativeRtpSender:nativeRtpTransceiver->sender()];
+    _receiver =
+        [[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:_factory
+                                             nativeRtpReceiver:nativeRtpTransceiver->receiver()];
+    RTCLogInfo(
+        @"RTC_OBJC_TYPE(RTCRtpTransceiver)(%p): created transceiver: %@", self, self.description);
+  }
+  return self;
+}
+
++ (webrtc::RtpTransceiverDirection)nativeRtpTransceiverDirectionFromDirection:
+        (RTCRtpTransceiverDirection)direction {
+  switch (direction) {
+    case RTCRtpTransceiverDirectionSendRecv:
+      return webrtc::RtpTransceiverDirection::kSendRecv;
+    case RTCRtpTransceiverDirectionSendOnly:
+      return webrtc::RtpTransceiverDirection::kSendOnly;
+    case RTCRtpTransceiverDirectionRecvOnly:
+      return webrtc::RtpTransceiverDirection::kRecvOnly;
+    case RTCRtpTransceiverDirectionInactive:
+      return webrtc::RtpTransceiverDirection::kInactive;
+    case RTCRtpTransceiverDirectionStopped:
+      return webrtc::RtpTransceiverDirection::kStopped;
+  }
+}
+
++ (RTCRtpTransceiverDirection)rtpTransceiverDirectionFromNativeDirection:
+        (webrtc::RtpTransceiverDirection)nativeDirection {
+  switch (nativeDirection) {
+    case webrtc::RtpTransceiverDirection::kSendRecv:
+      return RTCRtpTransceiverDirectionSendRecv;
+    case webrtc::RtpTransceiverDirection::kSendOnly:
+      return RTCRtpTransceiverDirectionSendOnly;
+    case webrtc::RtpTransceiverDirection::kRecvOnly:
+      return RTCRtpTransceiverDirectionRecvOnly;
+    case webrtc::RtpTransceiverDirection::kInactive:
+      return RTCRtpTransceiverDirectionInactive;
+    case webrtc::RtpTransceiverDirection::kStopped:
+      return RTCRtpTransceiverDirectionStopped;
+  }
+}
+
+@end