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/*
* Copyright 2016 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 "RTCRtpReceiver+Private.h"
#import "RTCMediaStreamTrack+Private.h"
#import "RTCRtpParameters+Private.h"
#import "RTCRtpReceiver+Native.h"
#import "base/RTCLogging.h"
#import "helpers/NSString+StdString.h"
#include "api/media_stream_interface.h"
namespace webrtc {
RtpReceiverDelegateAdapter::RtpReceiverDelegateAdapter(RTC_OBJC_TYPE(RTCRtpReceiver) * receiver) {
RTC_CHECK(receiver);
receiver_ = receiver;
}
void RtpReceiverDelegateAdapter::OnFirstPacketReceived(
cricket::MediaType media_type) {
RTCRtpMediaType packet_media_type =
[RTC_OBJC_TYPE(RTCRtpReceiver) mediaTypeForNativeMediaType:media_type];
RTC_OBJC_TYPE(RTCRtpReceiver) *receiver = receiver_;
[receiver.delegate rtpReceiver:receiver didReceiveFirstPacketForMediaType:packet_media_type];
}
} // namespace webrtc
@implementation RTC_OBJC_TYPE (RTCRtpReceiver) {
RTC_OBJC_TYPE(RTCPeerConnectionFactory) * _factory;
rtc::scoped_refptr<webrtc::RtpReceiverInterface> _nativeRtpReceiver;
std::unique_ptr<webrtc::RtpReceiverDelegateAdapter> _observer;
}
@synthesize delegate = _delegate;
- (NSString *)receiverId {
return [NSString stringForStdString:_nativeRtpReceiver->id()];
}
- (RTC_OBJC_TYPE(RTCRtpParameters) *)parameters {
return [[RTC_OBJC_TYPE(RTCRtpParameters) alloc]
initWithNativeParameters:_nativeRtpReceiver->GetParameters()];
}
- (nullable RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track {
rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> nativeTrack(
_nativeRtpReceiver->track());
if (nativeTrack) {
return [RTC_OBJC_TYPE(RTCMediaStreamTrack) mediaTrackForNativeTrack:nativeTrack
factory:_factory];
}
return nil;
}
- (NSString *)description {
return [NSString
stringWithFormat:@"RTC_OBJC_TYPE(RTCRtpReceiver) {\n receiverId: %@\n}", self.receiverId];
}
- (void)dealloc {
if (_nativeRtpReceiver) {
_nativeRtpReceiver->SetObserver(nullptr);
}
}
- (BOOL)isEqual:(id)object {
if (self == object) {
return YES;
}
if (object == nil) {
return NO;
}
if (![object isMemberOfClass:[self class]]) {
return NO;
}
RTC_OBJC_TYPE(RTCRtpReceiver) *receiver = (RTC_OBJC_TYPE(RTCRtpReceiver) *)object;
return _nativeRtpReceiver == receiver.nativeRtpReceiver;
}
- (NSUInteger)hash {
return (NSUInteger)_nativeRtpReceiver.get();
}
#pragma mark - Native
- (void)setFrameDecryptor:(rtc::scoped_refptr<webrtc::FrameDecryptorInterface>)frameDecryptor {
_nativeRtpReceiver->SetFrameDecryptor(frameDecryptor);
}
#pragma mark - Private
- (rtc::scoped_refptr<webrtc::RtpReceiverInterface>)nativeRtpReceiver {
return _nativeRtpReceiver;
}
- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory
nativeRtpReceiver:
(rtc::scoped_refptr<webrtc::RtpReceiverInterface>)nativeRtpReceiver {
if (self = [super init]) {
_factory = factory;
_nativeRtpReceiver = nativeRtpReceiver;
RTCLogInfo(@"RTC_OBJC_TYPE(RTCRtpReceiver)(%p): created receiver: %@", self, self.description);
_observer.reset(new webrtc::RtpReceiverDelegateAdapter(self));
_nativeRtpReceiver->SetObserver(_observer.get());
}
return self;
}
+ (RTCRtpMediaType)mediaTypeForNativeMediaType:
(cricket::MediaType)nativeMediaType {
switch (nativeMediaType) {
case cricket::MEDIA_TYPE_AUDIO:
return RTCRtpMediaTypeAudio;
case cricket::MEDIA_TYPE_VIDEO:
return RTCRtpMediaTypeVideo;
case cricket::MEDIA_TYPE_DATA:
return RTCRtpMediaTypeData;
case cricket::MEDIA_TYPE_UNSUPPORTED:
return RTCRtpMediaTypeUnsupported;
}
}
+ (cricket::MediaType)nativeMediaTypeForMediaType:(RTCRtpMediaType)mediaType {
switch (mediaType) {
case RTCRtpMediaTypeAudio:
return cricket::MEDIA_TYPE_AUDIO;
case RTCRtpMediaTypeVideo:
return cricket::MEDIA_TYPE_VIDEO;
case RTCRtpMediaTypeData:
return cricket::MEDIA_TYPE_DATA;
case RTCRtpMediaTypeUnsupported:
return cricket::MEDIA_TYPE_UNSUPPORTED;
}
}
+ (NSString *)stringForMediaType:(RTCRtpMediaType)mediaType {
switch (mediaType) {
case RTCRtpMediaTypeAudio:
return @"AUDIO";
case RTCRtpMediaTypeVideo:
return @"VIDEO";
case RTCRtpMediaTypeData:
return @"DATA";
case RTCRtpMediaTypeUnsupported:
return @"UNSUPPORTED";
}
}
@end
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