yinmeng-ios/xplan-ios/Main/RTC/RtcImpl/TRTCRtcImpl.m

//
//  TRTCRtcImpl.m
//  xplan-ios
//
//  Created by zu on 2021/12/6.
//

#import "TRTCRtcImpl.h"
#import "XPConstant.h"
#import "XPMacro.h"
#import <TXLiteAVSDK_TRTC/TRTCCloud.h>

@interface TRTCRtcImpl()<TRTCCloudDelegate>

@property (strong, nonatomic) TRTCCloud *engine;
///背景音乐管理
@property (nonatomic, strong) TXAudioEffectManager *musicManager;
///音乐播放完成
@property (nonatomic,copy) void(^MusicCompletion)(NSString *filePath);
///音乐的id
@property (nonatomic,assign) int musicId;

@end

@implementation TRTCRtcImpl

- (instancetype)initWithDelegate:(id<RtcImplDelegate>)delegate {
    self = [super initWithDelegate:delegate];
    if (self) {
        _engine = [TRTCCloud sharedInstance];
        [_engine enableAudioVolumeEvaluation:900];
		[TRTCCloud setConsoleEnabled:NO];
        _engine.delegate = self;
    }
    return self;
}

#pragma mark - RtcInterface impl
- (BOOL)joinChannel:(NSString *)channelId sign:(nonnull NSString *)sign completion:(void (^)(void))completion {
	[self.engine enableAudioVolumeEvaluation:900];
    TRTCParams *params = [[TRTCParams alloc] init];
    UInt32 appId;
    sscanf([KeyWithType(KeyType_TRTC) UTF8String], "%u", &appId);
    params.sdkAppId = appId;
    UInt32 roomId;
    sscanf([channelId UTF8String], "%u", &roomId);
	params.roomId = roomId;

    params.userId = [[AccountInfoStorage instance] getUid];
    params.userSig = sign;
    params.role = TRTCRoleAudience;
    [self.engine enterRoom:params appScene:TRTCAppSceneLIVE];
    if (completion) {
        completion();
    }
    return YES;
}

///发起跨房通话
- (void)connectOtherRoom:(NSString *)roomUid userId:(NSString *)uid {
    NSMutableDictionary *jsonDict = [[NSMutableDictionary alloc] init];
	if (roomUid.integerValue > INT_MAX) {
		[jsonDict setObject:@(uid.integerValue) forKey:@"roomId"];
	} else {
		[jsonDict setObject:@([roomUid intValue]) forKey:@"roomId"];
	}

   [jsonDict setObject:uid forKey:@"userId"];
   NSData* jsonData = [NSJSONSerialization dataWithJSONObject:jsonDict options:NSJSONWritingPrettyPrinted error:nil];
   NSString* jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
   [self.engine connectOtherRoom:jsonString];
}

///退出跨房通话
- (void)disconnectOtherRoom {
    [self.engine disconnectOtherRoom];
}

///发起跨房通话回调
- (void)onConnectOtherRoom:(NSString *)userId errCode:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {
    if (errCode == ERR_NULL) {

    }
}

///退出跨房通话回调
- (void)onDisconnectOtherRoom:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {

}

- (void)onUserAudioAvailable:(NSString *)userId available:(BOOL)available {
    NSLog(@"成功userid:%@", userId);
    if (available) {
        
    }
}

- (BOOL)muteRemote:(BOOL)mute {
    [self.engine muteAllRemoteAudio:mute];
    return YES;
}

- (BOOL)muteRemote:(BOOL)mute userId:(NSString *)userId {
    [self.engine muteRemoteAudio:userId mute:mute];
    return YES;
}

- (void)broadcast:(BOOL)on {
    [self.engine switchRole:on ? TRTCRoleAnchor : TRTCRoleAudience];
    if (on) {
        NSString *jsonString = @"{\"api\":\"setAudioQualityEx\",\"params\":{\"sampleRate\":48000,\"channel\":2,\"bitrate\":192,\"encodeMode\":1,\"systemVolumeType\":1}}";
        [self.engine callExperimentalAPI:jsonString];
        NSString *aecString = @"{\"api\":\"enableAudioAEC\",\"params\":{\"enable\":1,\"level\":100}}";
        [self.engine callExperimentalAPI:aecString];
        [self.engine startLocalAudio:TRTCAudioQualityMusic];
    } else {
        [self.engine stopLocalAudio];
    }
}

- (BOOL)muteLocal:(BOOL)mute {
    [self.engine muteLocalAudio:mute];
    return YES;
}

- (void)exitChannel:(void (^)(void))completion {
    /**
     * 1.2 离开房间
     *
     * 调用 exitRoom() 接口会执行退出房间的相关逻辑，例如释放音视频设备资源和编解码器资源等。
     * 待资源释放完毕，SDK 会通过 TRTCCloudDelegate 中的 onExitRoom() 回调通知到您。
     *
     * 如果您要再次调用 enterRoom() 或者切换到其他的音视频 SDK，请等待 onExitRoom() 回调到来之后再执行相关操作。
     * 否则可能会遇到摄像头或麦克风（例如 iOS 里的 AudioSession）被占用等各种异常问题。
     */
    [self.engine exitRoom];
    if (completion) {
        completion();
    }
}

- (void)destory {
    [TRTCCloud destroySharedIntance];
}

/// 播放背景音乐
/// @param filePath 音频文件的地址
/// @param musicId TRTC自己要的
- (BOOL)playBackMusic:(NSString *)filePath musicId:(int)musicId completion:(void (^)(NSString *))completion{
	if (filePath) {
		self.MusicCompletion = completion;
		[self changePlayState:BackMusicPlayState_Stop];//切换歌曲need stop
		self.musicId = musicId;
		if (self.musicManager == nil) {
			self.musicManager = [self.engine getAudioEffectManager];
		}
		
		TXAudioMusicParam *param = [[TXAudioMusicParam alloc] init];
		param.ID = musicId;
		param.path = filePath;
		@kWeakify(self);
		[self.musicManager startPlayMusic:param onStart:^(NSInteger errCode) {
			
		} onProgress:^(NSInteger progressMs, NSInteger durationMs) {
			
		} onComplete:^(NSInteger errCode) {
			@kStrongify(self);
			self.MusicCompletion(filePath);
			///这个用在最小化的时候  因为最小化没办法知道当前歌曲是否播放完毕了 目前没有想到其他的好的版本就用通知吧
			[[NSNotificationCenter defaultCenter] postNotificationName:kRoomBackMusicPlayMusicFinishKey object:filePath];
		}];
		return YES;
	} else {
		return NO;
	}

}

/// 改变播放器的状态
/// @param state 播放状态
- (BOOL)changePlayState:(BackMusicPlayState)state {
	BOOL isPlaying = NO;
	switch (state) {
		case BackMusicPlayState_Stop:
		{
			[self.musicManager stopPlayMusic:self.musicId];
			isPlaying = NO;
		}
			break;
		case BackMusicPlayState_Pause:
		{
			[self.musicManager pausePlayMusic:self.musicId];
			isPlaying = NO;
		}
			break;
		case BackMusicPlayState_Resume:
		{
			[self.musicManager resumePlayMusic:self.musicId];
			isPlaying = YES;
		}
		default:
			break;
	}
	return isPlaying;
}

- (void)updateUserSound:(int)soundVol {
	[self.engine setAudioCaptureVolume:soundVol];
}

- (void)updateMusicSound:(int)soundVol {
	[self.musicManager setMusicPublishVolume:self.musicId volume:soundVol * 1.5];
	[self.musicManager setMusicPlayoutVolume:self.musicId volume:soundVol * 1.5];
}

#pragma mark - TRTCCloudDelegate
- (void)onUserVoiceVolume:(NSArray<TRTCVolumeInfo *> *)userVolumes totalVolume:(NSInteger)totalVolume {
    NSMutableArray *uids = [NSMutableArray array];
    for (TRTCVolumeInfo *userInfo in userVolumes) {
        NSString *uid = userInfo.userId;
        if (userInfo.volume > 2){
            if (uid.integerValue == 0) {
                [uids addObject:[[AccountInfoStorage instance] getUid]];
            }else {
                [uids addObject:uid];
            }
        }
    }
    [self.delegate usersSpeaking:uids];
}

@end