화면 공유 활성화

#import "SampleHandler.h"
@import TXLiteAVSDK_ReplayKitExt;

#define APPGROUP @"group.com.tencent.liteav.RPLiveStreamShare"

@interface SampleHandler() <TXReplayKitExtDelegate>

@end

@implementation SampleHandler
// 주의사항: 해당 단계의 APPGROUP을 앞서 생성한 App Group Identifier로 변경해야 합니다.
- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {
    [[TXReplayKitExt sharedInstance] setupWithAppGroup:APPGROUP delegate:self];
}

- (void)broadcastPaused {
    // User has requested to pause the broadcast. Samples will stop being delivered.
}

- (void)broadcastResumed {
    // User has requested to resume the broadcast. Samples delivery will resume.
}

- (void)broadcastFinished {
    [[TXReplayKitExt sharedInstance] finishBroadcast];
    // User has requested to finish the broadcast.
}

#pragma mark - TXReplayKitExtDelegate
- (void)broadcastFinished:(TXReplayKitExt *)broadcast reason:(TXReplayKitExtReason)reason
{
    NSString *tip = @"";
    switch (reason) {
        case TXReplayKitExtReasonRequestedByMain:
            tip = @"화면 공유 종료됨";
            break;
        case TXReplayKitExtReasonDisconnected:
            tip = @"애플리케이션 종료";
            break;
        case TXReplayKitExtReasonVersionMismatch:
            tip = @"통합 오류(SDK 버전 불일치)";
            break;
    }

    NSError *error = [NSError errorWithDomain:NSStringFromClass(self.class)
                                         code:0
                                     userInfo:@{
                                         NSLocalizedFailureReasonErrorKey:tip
                                     }];
    [self finishBroadcastWithError:error];
}

- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer withType:(RPSampleBufferType)sampleBufferType {
    switch (sampleBufferType) {
        case RPSampleBufferTypeVideo:
            [[TXReplayKitExt sharedInstance] sendVideoSampleBuffer:sampleBuffer];
            break;
        case RPSampleBufferTypeAudioApp:
            // Handle audio sample buffer for app audio
            break;
        case RPSampleBufferTypeAudioMic:
            // Handle audio sample buffer for mic audio
            break;

        default:
            break;
    }
}
@end


// 화면 공유를 시작하려면 APPGROUP을 앞서 생성한 App Group Identifier로 변경해야 합니다.
- (void)startScreenCapture {
    TRTCVideoEncParam *videoEncConfig = [[TRTCVideoEncParam alloc] init];
    videoEncConfig.videoResolution = TRTCVideoResolution_1280_720;
    videoEncConfig.videoFps = 10;
    videoEncConfig.videoBitrate = 2000;
    //APPGROUP을 앞서 생성한 App Group Identifier로 변경해야 합니다.
    [[TRTCCloud sharedInstance] startScreenCaptureByReplaykit:videoEncConfig
                                                     appGroup:APPGROUP];
}

// 화면 공유를 종료합니다.
- (void)stopScreenCapture {
    [[TRTCCloud sharedInstance] stopScreenCapture];
}

// 화면 공유 실행 이벤트 공지는 TRTCCloudDelegate를 통해 수신할 수 있습니다.
- (void)onScreenCaptureStarted {
    [self showTip:@"화면 공유 시작"];
}


// 사용자 정의 버튼 응답 방법
- (IBAction)onScreenButtonTapped:(id)sender {
    [TRTCBroadcastExtensionLauncher launch];
}