录屏推流

// 指定对应的直播协议为 RTMP，该协议不支持连麦
V2TXLivePusher *pusher = [[V2TXLivePusher alloc] initWithLiveMode:V2TXLiveMode_RTMP];
// 指定对应的直播协议为 RTC，该协议支持连麦。如果在直播过程中有连麦需求，需要选择该协议
V2TXLivePusher *pusher = [[V2TXLivePusher alloc] initWithLiveMode:V2TXLiveMode_RTC];

#import "SampleHandler.h"
@import TXLiteAVSDK_ReplayKitExt;
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@implementation SampleHandler
- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {
    // App group ID，此处 ID 与 V2TXLivePusher startScreenCapture 对应，可以指定为 nil，但按照文档设置会使功能更加可靠。
    [[TXReplayKitExt sharedInstance] setupWithAppGroup:APPGROUP delegate:self]; 
}
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- (void)broadcastPaused {
    // User has requested to pause the broadcast. Samples will stop being delivered.
    [[TXReplayKitExt sharedInstance] broadcastPaused];
}
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- (void)broadcastResumed {
    // User has requested to resume the broadcast. Samples delivery will resume.
    [[TXReplayKitExt sharedInstance] broadcastResumed];
}
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- (void)broadcastFinished {
    // User has requested to finish the broadcast.
    [[TXReplayKitExt sharedInstance] broadcastFinished];
}
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- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer withType:(RPSampleBufferType)sampleBufferType {
    [[TXReplayKitExt sharedInstance] sendSampleBuffer:sampleBuffer withType:sampleBufferType];
}
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#pragma mark - TXReplayKitExtDelegate
- (void)broadcastFinished:(TXReplayKitExt *)broadcast reason:(TXReplayKitExtReason)reason
{
    NSString *tip = @"";
    switch (reason) {
        case TXReplayKitExtReasonRequestedByMain:
            tip = NSLocalizedString(@"MLVB-API-Example.liveStop", "");
            break;
        case TXReplayKitExtReasonDisconnected:
            tip = NSLocalizedString(@"MLVB-API-Example.appReset", "");
            break;
        case TXReplayKitExtReasonVersionMismatch:
            tip = NSLocalizedString(@"MLVB-API-Example.sdkError", "");
            break;
    }
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    NSError *error = [NSError errorWithDomain:NSStringFromClass(self.class)
                                         code:0
                                     userInfo:@{
                                         NSLocalizedFailureReasonErrorKey:tip
                                     }];
    [self finishBroadcastWithError:error];
}
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@end

// appGroup 主 App 与 Broadcast 共享的 Application Group Identifier，可以指定为 nil，但按照文档设置会使功能更加可靠。
[livePusher startScreenCapture:@"group.com.xxx"]; 
[livePusher startMicrophone];
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// 根据推流协议传入对应的 URL 即可启动推流， RTMP 协议以 rtmp:// 开头，该协议不支持连麦
NSString * const url = @"rtmp://test.com/live/streamid?txSecret=xxxxx&txTime=xxxxxxxx";
// 根据推流协议传入对应的 URL 即可启动推流， RTC 协议以 trtc:// 开头，该协议支持连麦
NSString * const url = @"trtc://cloud.tencent.com/push/streamid?sdkappid=1400188888&userId=A&usersig=xxxxx";
V2TXLiveCode code = [livePusher startPush:url];
if (code != V2TXLIVE_OK) {
    // 请检查错误码
}

BOOL landScape; //YES:横屏， NO:竖屏
V2TXLiveVideoEncoderParam *videoParam = [[V2TXLiveVideoEncoderParam alloc] init];
videoParam.videoResolution = V2TXLiveVideoResolution960x540;
videoParam.videoResolutionMode = landScape ? V2TXLiveVideoResolutionModeLandscape : V2TXLiveVideoResolutionModePortrait;
[livePusher setVideoQuality:videoParam];

// 设置视频水印
[livePusher setWatermark:image x:0 y:0 scale:1];

// 停止推流
[livePusher stopScreenCapture];
[livePusher stopPush];

- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {
    [self sendLocalNotificationToHostAppWithTitle:@"腾讯云录屏推流" msg:@"录屏已开始，请从这里单击回到Demo->录屏幕推流->设置推流URL与横竖屏和清晰度" userInfo:@{kReplayKit2UploadingKey: kReplayKit2Uploading}];
}
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- (void)sendLocalNotificationToHostAppWithTitle:(NSString*)title msg:(NSString*)msg userInfo:(NSDictionary*)userInfo
{
    UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
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    UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init];
    content.title = [NSString localizedUserNotificationStringForKey:title arguments:nil];
    content.body = [NSString localizedUserNotificationStringForKey:msg  arguments:nil];
    content.sound = [UNNotificationSound defaultSound];
    content.userInfo = userInfo;
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    // 在设定时间后推送本地推送
    UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger
                                                  triggerWithTimeInterval:0.1f repeats:NO];
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    UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"ReplayKit2Demo"
                                                                          content:content trigger:trigger];
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    //添加推送成功后的处理！
    [center addNotificationRequest:request withCompletionHandler:^(NSError * _Nullable error) {
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    }];
}

CFNotificationCenterPostNotification(CFNotificationCenterGetDarwinNotifyCenter(),
                                    kDarvinNotificationNamePushStart,
                                    NULL,
                                    nil,
                                    YES);

    CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(),
                                    (__bridge const void *)(self),
                                    onDarwinReplayKit2PushStart,
                                    kDarvinNotificationNamePushStart,
                                    NULL,
                                    CFNotificationSuspensionBehaviorDeliverImmediately);
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    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleReplayKit2PushStartNotification:) name:@"Cocoa_ReplayKit2_Push_Start" object:nil];
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static void onDarwinReplayKit2PushStart(CFNotificationCenterRef center,
                                        void *observer, CFStringRef name,
                                        const void *object, CFDictionaryRef
                                        userInfo)
{
//转到 cocoa 层框架处理
    [[NSNotificationCenter defaultCenter] postNotificationName:@"Cocoa_ReplayKit2_Push_Start" object:nil];
}
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- (void)handleReplayKit2PushStartNotification:(NSNotification*)noti
{
//通过 NSUserDefault 或剪贴板拿到宿主要传递的数据
//    NSUserDefaults *defaults = [[NSUserDefaults alloc] initWithSuiteName:kReplayKit2AppGroupId];
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    UIPasteboard* pb = [UIPasteboard generalPasteboard];
    NSDictionary* defaults = [self jsonData2Dictionary:pb.string];
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    s_rtmpUrl = [defaults objectForKey:kReplayKit2PushUrlKey];
    s_resolution = [defaults objectForKey:kReplayKit2ResolutionKey];
    if (s_resolution.length < 1) {
        s_resolution = kResolutionHD;
    }
    NSString* rotate = [defaults objectForKey:kReplayKit2RotateKey];
    if ([rotate isEqualToString:kReplayKit2Portrait]) {
        s_landScape = NO;
    }
    else {
        s_landScape = YES;
    }
    [self start];
}