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1/*
2 *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#import "RTCRtpSender+Private.h"
12
13#import "RTCDtmfSender+Private.h"
14#import "RTCMediaStreamTrack+Private.h"
15#import "RTCRtpParameters+Private.h"
16#import "RTCRtpSender+Native.h"
17#import "base/RTCLogging.h"
18#import "helpers/NSString+StdString.h"
19
20#include "api/media_stream_interface.h"
21
22@implementation RTC_OBJC_TYPE (RTCRtpSender) {
23  RTC_OBJC_TYPE(RTCPeerConnectionFactory) * _factory;
24  rtc::scoped_refptr<webrtc::RtpSenderInterface> _nativeRtpSender;
25}
26
27@synthesize dtmfSender = _dtmfSender;
28
29- (NSString *)senderId {
30  return [NSString stringForStdString:_nativeRtpSender->id()];
31}
32
33- (RTC_OBJC_TYPE(RTCRtpParameters) *)parameters {
34  return [[RTC_OBJC_TYPE(RTCRtpParameters) alloc]
35      initWithNativeParameters:_nativeRtpSender->GetParameters()];
36}
37
38- (void)setParameters:(RTC_OBJC_TYPE(RTCRtpParameters) *)parameters {
39  if (!_nativeRtpSender->SetParameters(parameters.nativeParameters).ok()) {
40    RTCLogError(@"RTC_OBJC_TYPE(RTCRtpSender)(%p): Failed to set parameters: %@", self, parameters);
41  }
42}
43
44- (RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track {
45  rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> nativeTrack(
46    _nativeRtpSender->track());
47  if (nativeTrack) {
48    return [RTC_OBJC_TYPE(RTCMediaStreamTrack) mediaTrackForNativeTrack:nativeTrack
49                                                                factory:_factory];
50  }
51  return nil;
52}
53
54- (void)setTrack:(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track {
55  if (!_nativeRtpSender->SetTrack(track.nativeTrack)) {
56    RTCLogError(@"RTC_OBJC_TYPE(RTCRtpSender)(%p): Failed to set track %@", self, track);
57  }
58}
59
60- (NSArray<NSString *> *)streamIds {
61  std::vector<std::string> nativeStreamIds = _nativeRtpSender->stream_ids();
62  NSMutableArray *streamIds = [NSMutableArray arrayWithCapacity:nativeStreamIds.size()];
63  for (const auto &s : nativeStreamIds) {
64    [streamIds addObject:[NSString stringForStdString:s]];
65  }
66  return streamIds;
67}
68
69- (void)setStreamIds:(NSArray<NSString *> *)streamIds {
70  std::vector<std::string> nativeStreamIds;
71  for (NSString *streamId in streamIds) {
72    nativeStreamIds.push_back([streamId UTF8String]);
73  }
74  _nativeRtpSender->SetStreams(nativeStreamIds);
75}
76
77- (NSString *)description {
78  return [NSString
79      stringWithFormat:@"RTC_OBJC_TYPE(RTCRtpSender) {\n  senderId: %@\n}", self.senderId];
80}
81
82- (BOOL)isEqual:(id)object {
83  if (self == object) {
84    return YES;
85  }
86  if (object == nil) {
87    return NO;
88  }
89  if (![object isMemberOfClass:[self class]]) {
90    return NO;
91  }
92  RTC_OBJC_TYPE(RTCRtpSender) *sender = (RTC_OBJC_TYPE(RTCRtpSender) *)object;
93  return _nativeRtpSender == sender.nativeRtpSender;
94}
95
96- (NSUInteger)hash {
97  return (NSUInteger)_nativeRtpSender.get();
98}
99
100#pragma mark - Native
101
102- (void)setFrameEncryptor:(rtc::scoped_refptr<webrtc::FrameEncryptorInterface>)frameEncryptor {
103  _nativeRtpSender->SetFrameEncryptor(frameEncryptor);
104}
105
106#pragma mark - Private
107
108- (rtc::scoped_refptr<webrtc::RtpSenderInterface>)nativeRtpSender {
109  return _nativeRtpSender;
110}
111
112- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory
113                nativeRtpSender:(rtc::scoped_refptr<webrtc::RtpSenderInterface>)nativeRtpSender {
114  NSParameterAssert(factory);
115  NSParameterAssert(nativeRtpSender);
116  if (self = [super init]) {
117    _factory = factory;
118    _nativeRtpSender = nativeRtpSender;
119    rtc::scoped_refptr<webrtc::DtmfSenderInterface> nativeDtmfSender(
120        _nativeRtpSender->GetDtmfSender());
121    if (nativeDtmfSender) {
122      _dtmfSender =
123          [[RTC_OBJC_TYPE(RTCDtmfSender) alloc] initWithNativeDtmfSender:nativeDtmfSender];
124    }
125    RTCLogInfo(@"RTC_OBJC_TYPE(RTCRtpSender)(%p): created sender: %@", self, self.description);
126  }
127  return self;
128}
129
130@end
131