init

Example/SellyCloudSDK/VideoCall/SLSParticipant.h

@@ -0,0 +1,29 @@
+//
+//  SLSParticipant.h
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface SLSParticipant : NSObject
+
+@property (nonatomic, copy)   NSString *uid;
+@property (nonatomic, copy)   NSString *displayName;
+
+/// 音量 0~1，用来做说话者高亮
+@property (nonatomic, assign) CGFloat   level;
+
+/// 音频 / 视频 是否静音
+@property (nonatomic, assign) BOOL      audioMuted;
+@property (nonatomic, assign) BOOL      videoMuted;
+
+/// 上次活跃时间（可选，用于后面做发言排序等）
+@property (nonatomic, strong) NSDate   *lastActiveAt;
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SLSParticipant.m

@@ -0,0 +1,13 @@
+//
+//  SLSParticipant.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SLSParticipant.h"
+
+@implementation SLSParticipant
+
+@end

Example/SellyCloudSDK/VideoCall/SLSVideoGridView.h

@@ -0,0 +1,38 @@
+//
+//  SLSVideoGridView.h
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "SLSParticipant.h"
+#import "SLSVideoTileView.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface SLSVideoGridView : UIView
+
+@property (nonatomic, assign) CGFloat spacing;     // 默认 8
+@property (nonatomic, assign) UIEdgeInsets padding;// 默认 {12,12,12,12}
+@property (nonatomic, assign) BOOL keepAspect169;  // 默认 YES
+
+/// 创建或获取某个 uid 的 tile，并返回其中的 contentView 作为渲染容器
+- (SLSVideoTileView *)ensureRenderContainerForUID:(NSString *)uid
+                            displayName:(nullable NSString *)name;
+
+/// 移除某个 uid（用户离开）
+- (void)detachUID:(NSString *)uid;
+
+/// 更新音量（0~1），用于说话者高亮
+- (void)setLevel:(CGFloat)level forUID:(NSString *)uid;
+
+/// 更新静音状态
+- (void)setAudioMuted:(BOOL)muted forUID:(NSString *)uid;
+- (void)setVideoMuted:(BOOL)muted forUID:(NSString *)uid;
+
+
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SLSVideoGridView.m

@@ -0,0 +1,180 @@
+//
+//  SLSVideoGridView.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SLSVideoGridView.h"
+
+@interface SLSVideoGridView ()
+@property (nonatomic, strong) NSMutableDictionary<NSString*, SLSParticipant*>   *participants;
+@property (nonatomic, strong) NSMutableDictionary<NSString*, SLSVideoTileView*> *tiles;
+@end
+
+@implementation SLSVideoGridView
+
+// 代码创建时走这里
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        [self commonInit];
+    }
+    return self;
+}
+
+// xib / storyboard 反序列化时走这里
+- (instancetype)initWithCoder:(NSCoder *)coder {
+    if (self = [super initWithCoder:coder]) {
+        [self commonInit];
+    }
+    return self;
+}
+
+// 公共初始化逻辑
+- (void)commonInit {
+    _participants = [NSMutableDictionary dictionary];
+    _tiles        = [NSMutableDictionary dictionary];
+    _spacing      = 8.f;
+    _padding      = UIEdgeInsetsMake(8, 8, 8, 8);
+    _keepAspect169 = YES;
+
+    self.backgroundColor = [UIColor blackColor];
+}
+
+#pragma mark - Public
+
+- (SLSVideoTileView *)ensureRenderContainerForUID:(NSString *)uid
+                            displayName:(nullable NSString *)name {
+    if (!uid) return nil;
+
+    SLSParticipant *p = self.participants[uid];
+    if (!p) {
+        p = [SLSParticipant new];
+        p.uid = uid;
+        p.displayName = name ?: uid;
+        p.lastActiveAt = [NSDate date];
+        self.participants[uid] = p;
+    }
+
+    SLSVideoTileView *tile = self.tiles[uid];
+    if (!tile) {
+        tile = [[SLSVideoTileView alloc] initWithFrame:CGRectZero];
+        self.tiles[uid] = tile;
+        [self addSubview:tile];
+    }
+
+    [tile updateWithParticipant:p];
+    [self _layout];
+
+    return tile;
+}
+
+- (void)detachUID:(NSString *)uid {
+    if (!uid) return;
+    SLSVideoTileView *tile = self.tiles[uid];
+    if (tile) {
+        [tile removeFromSuperview];
+        [self.tiles removeObjectForKey:uid];
+    }
+    [self.participants removeObjectForKey:uid];
+    [self _layout];
+}
+
+- (void)setLevel:(CGFloat)level forUID:(NSString *)uid {
+    SLSParticipant *p = self.participants[uid];
+    if (!p) return;
+    p.level = MAX(0.f, MIN(level, 1.f));
+    if (p.level > 0.1) {
+        p.lastActiveAt = [NSDate date];
+    }
+    SLSVideoTileView *tile = self.tiles[uid];
+    [tile updateWithParticipant:p];
+}
+
+- (void)setAudioMuted:(BOOL)muted forUID:(NSString *)uid {
+    SLSParticipant *p = self.participants[uid];
+    if (!p) return;
+    p.audioMuted = muted;
+    SLSVideoTileView *tile = self.tiles[uid];
+    [tile updateWithParticipant:p];
+}
+
+- (void)setVideoMuted:(BOOL)muted forUID:(NSString *)uid {
+    SLSParticipant *p = self.participants[uid];
+    if (!p) return;
+    p.videoMuted = muted;
+    SLSVideoTileView *tile = self.tiles[uid];
+    [tile updateWithParticipant:p];
+}
+
+#pragma mark - Layout
+
+- (void)_layout {
+    NSArray<NSString *> *uids = self.participants.allKeys;
+    NSInteger n = uids.count;
+    if (n == 0) return;
+
+    UIEdgeInsets p = self.padding;
+    CGFloat W = self.bounds.size.width  - p.left - p.right;
+    CGFloat H = self.bounds.size.height - p.top  - p.bottom;
+    CGFloat s = self.spacing;
+
+    // ===== 按人数选择固定的行列数 =====
+    NSInteger cols = 1;
+    NSInteger rows = 1;
+
+    if (n <= 4) {
+        cols = 2;
+        rows = 2;
+    } else if (n <= 9) {
+        cols = 3;
+        rows = 3;
+    } else if (n <= 16) {
+        cols = 4;
+        rows = 4;
+    } else {
+        // >16 的情况先简单处理：依旧按 4x4 布局，多出来的不显示
+        cols = 4;
+        rows = 4;
+    }
+
+    // 每个 cell 的宽 / 高（都按“可用区域的 1/2、1/3、1/4”来，扣掉间距）
+    CGFloat cellW = 0;
+    CGFloat cellH = 0;
+    if (cols > 0) {
+        cellW = floor((W - s * (cols - 1)) / cols);
+    }
+    if (rows > 0) {
+        cellH = floor((H - s * (rows - 1)) / rows);
+    }
+
+    NSInteger maxCells = cols * rows;
+    NSInteger countToLayout = MIN(n, maxCells);
+
+    [uids enumerateObjectsUsingBlock:^(NSString *uid, NSUInteger idx, BOOL *stop) {
+        if (idx >= countToLayout) {
+            *stop = YES;
+            return;
+        }
+
+        NSInteger r = idx / cols; // 第几行
+        NSInteger c = idx % cols; // 第几列
+
+        CGFloat x = p.left + c * (cellW + s);
+        CGFloat y = p.top  + r * (cellH + s);
+
+        SLSVideoTileView *tile = self.tiles[uid];
+        tile.frame = CGRectMake(x, y, cellW, cellH);
+
+        SLSParticipant *part = self.participants[uid];
+        [tile updateWithParticipant:part];
+    }];
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    [self _layout];
+}
+
+@end

Example/SellyCloudSDK/VideoCall/SLSVideoTileView.h

@@ -0,0 +1,27 @@
+//
+//  SLSVideoTileView.h
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <SellyCloudSDK/SellyCloudManager.h>
+#import "SLSParticipant.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface SLSVideoTileView : UIView
+
+/// 容器视图：SDK 的渲染 view 挂在这里
+@property (nonatomic, strong, readonly) UIView *contentView;
+
+/// 根据参会者状态更新 UI（昵称、静音、视频开关、高亮等）
+- (void)updateWithParticipant:(SLSParticipant *)participant;
+
+@property (nonatomic, strong)SellyRTCP2pStats *stats;
+
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SLSVideoTileView.m

@@ -0,0 +1,194 @@
+//
+//  SLSVideoTileView.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 13/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SLSVideoTileView.h"
+
+@interface SLSVideoTileView ()
+@property (nonatomic, strong)NSString *userId;
+
+@property (nonatomic, strong) UIView      *contentViewInternal;
+@property (nonatomic, strong) UILabel     *nameLabel;
+@property (nonatomic, strong) UIImageView *muteIcon;
+@property (nonatomic, strong) UIView      *videoMaskView;
+@property (nonatomic, strong) UILabel     *videoOffLabel;
+@property (nonatomic, strong) UILabel *bitrate;
+@property (nonatomic, strong) UILabel *fps;
+@property (nonatomic, strong) UILabel *codec;
+@property (nonatomic, strong) UILabel *rtt;
+@end
+
+@implementation SLSVideoTileView
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        self.layer.cornerRadius = 10.f;
+        self.clipsToBounds = YES;
+        self.backgroundColor = [UIColor blackColor];
+
+        _contentViewInternal = [[UIView alloc] initWithFrame:self.bounds];
+        _contentViewInternal.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _contentViewInternal.backgroundColor = [UIColor blackColor];
+        [self addSubview:_contentViewInternal];
+
+        _videoMaskView = [[UIView alloc] initWithFrame:self.bounds];
+        _videoMaskView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _videoMaskView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6];
+        _videoMaskView.hidden = YES;
+        [self addSubview:_videoMaskView];
+
+        _videoOffLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+        _videoOffLabel.textAlignment = NSTextAlignmentCenter;
+        _videoOffLabel.textColor = [UIColor lightGrayColor];
+        _videoOffLabel.font = [UIFont systemFontOfSize:14];
+        _videoOffLabel.text = @"视频已关闭";
+        [_videoMaskView addSubview:_videoOffLabel];
+
+        _nameLabel = [[UILabel alloc] initWithFrame:CGRectZero];
+        _nameLabel.font = [UIFont systemFontOfSize:12 weight:UIFontWeightMedium];
+        _nameLabel.textColor = [UIColor whiteColor];
+        _nameLabel.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
+        _nameLabel.layer.cornerRadius = 8;
+        _nameLabel.clipsToBounds = YES;
+        [self addSubview:_nameLabel];
+
+        _muteIcon = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"mic.slash.fill"]];
+        _muteIcon.tintColor = [UIColor systemRedColor];
+        [self addSubview:_muteIcon];
+        
+        [self addSubview:self.bitrate];
+        [self addSubview:self.fps];
+        [self addSubview:self.codec];
+        [self addSubview:self.rtt];
+        
+        [self.bitrate mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.top.offset(10);
+        }];
+        
+        [self.fps mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.bitrate.mas_bottom).offset(10);
+            make.left.offset(10);
+        }];
+        
+        [self.codec mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.fps.mas_bottom).offset(10);
+            make.left.offset(10);
+        }];
+        
+        [self.rtt mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(self.codec.mas_bottom).offset(10);
+            make.left.offset(10);
+        }];
+    }
+    return self;
+}
+
+- (UIView *)contentView {
+    return self.contentViewInternal;
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    self.contentViewInternal.frame = self.bounds;
+    self.videoMaskView.frame = self.bounds;
+    self.videoOffLabel.frame = CGRectInset(self.videoMaskView.bounds, 8, 8);
+
+    CGFloat padding = 6.f;
+    CGSize maxSize = CGSizeMake(self.bounds.size.width - 2*padding, 20);
+    CGSize nameSize = [self.nameLabel sizeThatFits:maxSize];
+    self.nameLabel.frame = CGRectMake(padding,
+                                      self.bounds.size.height - nameSize.height - padding,
+                                      nameSize.width + 12,
+                                      nameSize.height);
+
+    self.muteIcon.frame = CGRectMake(CGRectGetMaxX(self.nameLabel.frame) + 4,
+                                     CGRectGetMinY(self.nameLabel.frame) - 2,
+                                     18,
+                                     18);
+}
+
+- (void)updateWithParticipant:(SLSParticipant *)p {
+    self.userId = p.uid;
+    // 昵称
+    self.nameLabel.text = p.displayName.length ? p.displayName : p.uid;
+
+    // 音频静音图标
+    self.muteIcon.hidden = !p.audioMuted;
+
+    // 视频开关：只用遮罩层控制，不移除 contentView 里的子视图
+    BOOL videoOn = !p.videoMuted;
+    self.videoMaskView.hidden = videoOn;
+
+    // 说话者高亮
+    if (p.level > 0.25 && !p.audioMuted) {
+        self.layer.borderWidth = 2.f;
+        self.layer.borderColor = [UIColor systemGreenColor].CGColor;
+    } else {
+        self.layer.borderWidth = 0.f;
+        self.layer.borderColor = nil;
+    }
+
+    [self setNeedsLayout];
+}
+
+- (void)setStats:(SellyRTCP2pStats *)stats {
+    _stats = stats;
+    
+    
+    self.rtt.text = [NSString stringWithFormat:@"  rtt：%ldms  ",(NSInteger)stats.transportRttMs];
+    self.codec.text = [NSString stringWithFormat:@"  %@/%@  ",stats.videoCodec,stats.audioCodec];
+    if ([self.userId isEqualToString:SellyRTCEngine.sharedEngine.userId]) {
+        self.bitrate.text = [NSString stringWithFormat:@"  码率：%ld kbps  ",(NSInteger)(stats.txKbps)];
+        self.fps.text = [NSString stringWithFormat:@"  视频：%ld fps  %ldx%ld  ",(NSInteger)(stats.sentFps),(NSInteger)(stats.sentWidth),(NSInteger)(stats.sentHeight)];
+        
+    }
+    else {
+        self.bitrate.text = [NSString stringWithFormat:@"  码率：%ld kbps  ",(NSInteger)(stats.rxKbps)];
+        self.fps.text = [NSString stringWithFormat:@"  视频：%ld fps  %ldx%ld  ",(NSInteger)(stats.recvFps),(NSInteger)(stats.recvWidth),(NSInteger)(stats.recvHeight)];
+    }
+}
+
+- (UILabel *)bitrate {
+    if (!_bitrate) {
+        _bitrate = [self createStatsLabel];
+    }
+    return _bitrate;
+}
+
+- (UILabel *)fps {
+    if (!_fps) {
+        _fps = [self createStatsLabel];
+    }
+    return _fps;
+}
+
+- (UILabel *)codec {
+    if (!_codec) {
+        _codec = [self createStatsLabel];
+    }
+    return _codec;
+}
+
+- (UILabel *)rtt {
+    if (!_rtt) {
+        _rtt = [self createStatsLabel];
+    }
+    return _rtt;
+}
+
+- (UILabel *)createStatsLabel {
+    UILabel *label = [[UILabel alloc] init];
+    label.font = [UIFont systemFontOfSize:12];
+    label.textColor = [UIColor whiteColor];
+    label.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
+    label.textAlignment = NSTextAlignmentLeft;
+    label.layer.cornerRadius = 4;
+    label.layer.masksToBounds = YES;
+    return label;
+}
+
+@end

Example/SellyCloudSDK/VideoCall/SellyCallPiPManager.h

@@ -0,0 +1,42 @@
+//
+//  SellyCallPiPManager.h
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 19/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <AVKit/AVKit.h>
+#import <SellyCloudSDK/SellyCloudManager.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// 负责：
+/// - 初始化 AVSampleBufferDisplayLayer
+/// - 管理 AVPictureInPictureController
+/// - 接收业务层传入的 SellyRTCVideoFrame 并送入 PiP
+@interface SellyCallPiPManager : NSObject
+<AVPictureInPictureControllerDelegate, AVPictureInPictureSampleBufferPlaybackDelegate>
+
+/// 是否当前设备/系统支持自定义 PiP
+@property (nonatomic, assign, readonly) BOOL pipPossible;
+
+/// 方便外界知道当前是否在 PiP
+@property (nonatomic, assign, readonly) BOOL pipActive;
+
+/// 指定在哪个 view 里显示（App 内）这条 PiP 的画面（可选）
+- (instancetype)initWithRenderView:(UIView *)renderView;
+
+/// 初始化 / 配置 PiP，通常在 viewDidLoad 调一次
+- (void)setupIfNeeded;
+
+/// 外界点按钮时调用：开启 / 关闭 PiP
+- (void)togglePiP;
+
+/// 外界在收到远端视频帧回调时调用
+- (void)feedVideoFrame:(SellyRTCVideoFrame *)frame;
+
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SellyCallPiPManager.m

@@ -0,0 +1,213 @@
+//
+//  SellyCallPiPManager.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 19/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SellyCallPiPManager.h"
+#import <AVKit/AVKit.h>
+#import <AVFoundation/AVFoundation.h>
+
+@interface SellyCallPiPManager ()
+
+@property (nonatomic, weak) UIView *renderView;
+
+@property (nonatomic, strong) AVSampleBufferDisplayLayer *pipSampleBufferLayer;
+@property (nonatomic, strong) AVPictureInPictureController *pipController;
+@property (nonatomic, strong) dispatch_queue_t pipQueue;
+@property (nonatomic, assign, readwrite) BOOL pipPossible;
+@property (nonatomic, assign, readwrite) BOOL pipActive;
+
+@end
+
+@implementation SellyCallPiPManager
+
+- (instancetype)initWithRenderView:(UIView *)renderView {
+    self = [super init];
+    if (self) {
+        _renderView = renderView;
+    }
+    return self;
+}
+
+- (void)setupIfNeeded {
+    if (@available(iOS 15.0, *)) {
+        if (![AVPictureInPictureController isPictureInPictureSupported]) {
+            self.pipPossible = NO;
+            return;
+        }
+        
+        self.pipQueue = dispatch_queue_create("com.sellycloud.pip.queue", DISPATCH_QUEUE_SERIAL);
+        
+        // SampleBuffer layer（你可以决定要不要加到 renderView 上显示）
+        self.pipSampleBufferLayer = [[AVSampleBufferDisplayLayer alloc] init];
+        self.pipSampleBufferLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
+        
+        if (self.renderView) {
+            self.pipSampleBufferLayer.frame = self.renderView.bounds;
+            [self.renderView.layer addSublayer:self.pipSampleBufferLayer];
+        }
+        
+        // PiP content source
+        AVPictureInPictureControllerContentSource *source =
+        [[AVPictureInPictureControllerContentSource alloc] initWithSampleBufferDisplayLayer:self.pipSampleBufferLayer
+                                                                            playbackDelegate:self];
+        
+        self.pipController = [[AVPictureInPictureController alloc] initWithContentSource:source];
+        self.pipController.delegate = self;
+        
+        self.pipPossible = (self.pipController != nil);
+    } else {
+        self.pipPossible = NO;
+    }
+}
+
+- (void)togglePiP {
+    if (@available(iOS 15.0, *)) {
+        if (!self.pipController || !self.pipController.isPictureInPicturePossible) {
+            NSLog(@"[PiP] not possible");
+            return;
+        }
+        
+        if (!self.pipController.isPictureInPictureActive) {
+            [self.pipController startPictureInPicture];
+        } else {
+            [self.pipController stopPictureInPicture];
+        }
+    }
+}
+
+#pragma mark - Feed frame
+
+- (void)feedVideoFrame:(SellyRTCVideoFrame *)frame {
+    if (!self.pipSampleBufferLayer || !frame.pixelBuffer) return;
+    if (!self.pipPossible) return;
+    
+    CMSampleBufferRef sb = [self createSampleBufferFromVideoFrame:frame];
+    if (!sb) return;
+    
+    dispatch_async(self.pipQueue, ^{
+        if (self.pipSampleBufferLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
+            NSLog(@"[PiP] display layer failed: %@",
+                  self.pipSampleBufferLayer.error);
+            [self.pipSampleBufferLayer flushAndRemoveImage];
+        }
+        [self.pipSampleBufferLayer enqueueSampleBuffer:sb];
+        CFRelease(sb);
+    });
+}
+
+- (CMSampleBufferRef)createSampleBufferFromVideoFrame:(SellyRTCVideoFrame *)videoData {
+    if (!videoData || !videoData.pixelBuffer) {
+        return nil;
+    }
+    
+    CVPixelBufferRef pixelBuffer = videoData.pixelBuffer;
+    
+    CMVideoFormatDescriptionRef videoInfo = NULL;
+    OSStatus status = CMVideoFormatDescriptionCreateForImageBuffer(kCFAllocatorDefault,
+                                                                   pixelBuffer,
+                                                                   &videoInfo);
+    if (status != noErr || !videoInfo) {
+        return nil;
+    }
+    
+    CMTime pts;
+    if (videoData.timestamp > 0) {
+        // 假设 timestamp 是 ns
+        pts = CMTimeMake(videoData.timestamp, 1000000000);
+    } else {
+        CFTimeInterval t = CACurrentMediaTime();
+        int64_t ms = (int64_t)(t * 1000);
+        pts = CMTimeMake(ms, 1000);
+    }
+    
+    CMSampleTimingInfo timingInfo;
+    timingInfo.duration = kCMTimeInvalid;
+    timingInfo.decodeTimeStamp = kCMTimeInvalid;
+    timingInfo.presentationTimeStamp = pts;
+    
+    CMSampleBufferRef sampleBuffer = NULL;
+    status = CMSampleBufferCreateReadyWithImageBuffer(kCFAllocatorDefault,
+                                                      pixelBuffer,
+                                                      videoInfo,
+                                                      &timingInfo,
+                                                      &sampleBuffer);
+    CFRelease(videoInfo);
+    
+    if (status != noErr) {
+        if (sampleBuffer) {
+            CFRelease(sampleBuffer);
+        }
+        return nil;
+    }
+    
+    // 标记立即显示
+    CFArrayRef attachments = CMSampleBufferGetSampleAttachmentsArray(sampleBuffer, YES);
+    if (attachments && CFArrayGetCount(attachments) > 0) {
+        CFMutableDictionaryRef attachment =
+        (CFMutableDictionaryRef)CFArrayGetValueAtIndex(attachments, 0);
+        CFDictionarySetValue(attachment,
+                             kCMSampleAttachmentKey_DisplayImmediately,
+                             kCFBooleanTrue);
+    }
+    
+    return sampleBuffer; // 调用方 CFRelease
+}
+
+#pragma mark - AVPictureInPictureSampleBufferPlaybackDelegate
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController
+                        setPlaying:(BOOL)playing {
+    NSLog(@"[PiP] setPlaying = %d", playing);
+}
+
+- (CMTimeRange)pictureInPictureControllerTimeRangeForPlayback:(AVPictureInPictureController *)pictureInPictureController {
+    return CMTimeRangeMake(kCMTimeZero, CMTimeMake(INT64_MAX, 1000));
+}
+
+- (BOOL)pictureInPictureControllerIsPlaybackPaused:(AVPictureInPictureController *)pictureInPictureController {
+    return NO;
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController
+          didTransitionToRenderSize:(CMVideoDimensions)newRenderSize {
+    NSLog(@"[PiP] render size = %d x %d", newRenderSize.width, newRenderSize.height);
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController
+                    skipByInterval:(CMTime)skipInterval
+                 completionHandler:(void (^)(void))completionHandler {
+    if (completionHandler) {
+        completionHandler();
+    }
+}
+
+- (BOOL)pictureInPictureControllerShouldProhibitBackgroundAudioPlayback:(AVPictureInPictureController *)pictureInPictureController {
+    return NO;
+}
+
+- (void)invalidatePlaybackState {
+    // 实时流一般不用
+}
+
+#pragma mark - AVPictureInPictureControllerDelegate
+
+- (void)pictureInPictureControllerWillStartPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+    NSLog(@"[PiP] will start");
+    self.pipActive = YES;
+}
+
+- (void)pictureInPictureControllerDidStartPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+    NSLog(@"[PiP] did start");
+    self.pipActive = YES;
+}
+
+- (void)pictureInPictureControllerDidStopPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+    NSLog(@"[PiP] did stop");
+    self.pipActive = NO;
+}
+
+@end

Example/SellyCloudSDK/VideoCall/SellyVideoCallConferenceController.h

@@ -0,0 +1,19 @@
+//
+//  SellyVideoCallConferenceController.h
+//  SellyCloudSDK_Example
+//  多人会议
+//  Created by Caleb on 11/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <SellyCloudSDK/SellyCloudManager.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface SellyVideoCallConferenceController : UIViewController
+@property (nonatomic, strong)NSString *channelId;
+@property (nonatomic, strong)SellyRTCVideoConfiguration *videoConfig;
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SellyVideoCallConferenceController.m

@@ -0,0 +1,207 @@
+//
+//  SellyVideoCallConferenceController.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 11/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SellyVideoCallConferenceController.h"
+#import <SellyCloudSDK/SellyCloudManager.h>
+#import "FUManager.h"
+#import "UIView+SellyCloud.h"
+#import "SLSVideoGridView.h"
+#import "TokenGenerator.h"
+
+@interface SellyVideoCallConferenceController ()<SellyRTCSessionDelegate>
+
+// 你的 WebRTC 会话对象
+@property (nonatomic, strong) SellyRTCSession *session;
+
+@property (nonatomic, assign) BOOL localVideoEnable;
+@property (nonatomic, assign) BOOL localAudioEnable;
+
+@property (weak, nonatomic) IBOutlet SLSVideoGridView *grid;
+@property (weak, nonatomic) IBOutlet UILabel *duration;
+
+@end
+
+@implementation SellyVideoCallConferenceController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.title = @"音视频会议";
+    // Do any additional setup after loading the view.
+    
+    self.session.delegate = self;
+    if (self.videoConfig == nil) {
+        self.videoConfig = SellyRTCVideoConfiguration.defaultConfig;
+    }
+    self.session.videoConfig = self.videoConfig;
+    
+    NSString *token = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+    [self.session startWithChannelId:self.channelId token:token];
+    
+    //开启视频
+    [self onCameraClick:nil];
+    
+    //设置扬声器播放
+    {
+        //使用这种方案，通话接通前无法在receiver和speaker直接来回切换，强制扬声器
+//        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+    
+    {
+        //使用这种方案，通话接通前可以在receiver和speaker直接来回切换
+        NSError *error;
+        [AVAudioSession.sharedInstance setCategory:AVAudioSessionCategoryPlayAndRecord mode:AVAudioSessionModeVoiceChat options:AVAudioSessionCategoryOptionDuckOthers|AVAudioSessionCategoryOptionAllowBluetooth|AVAudioSessionCategoryOptionMixWithOthers error:&error];
+        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+    //显示本地view
+    [self attachLocalStream];
+    self.localAudioEnable = true;
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [self.session end];
+}
+
+- (IBAction)onSpeakerClick:(id)sender {
+    //如果没有外接设备，可以直接调用这个方法在听筒和扬声器直接来回切换
+    AVAudioSessionPort currentPort = AVAudioSession.sharedInstance.currentRoute.outputs.firstObject.portType;
+    if ([currentPort isEqualToString:AVAudioSessionPortBuiltInSpeaker]) {
+        [self.session setAudioOutput:AVAudioSessionPortOverrideNone];
+    }
+    else {
+        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+}
+
+- (IBAction)onCameraClick:(id)sender {
+    [self.session enableLocalVideo:!self.localVideoEnable];
+    self.localVideoEnable = !self.localVideoEnable;
+}
+
+- (IBAction)onSwitchClick:(id)sender {
+    [self.session switchCamera];
+}
+
+- (IBAction)onMuteClick:(id)sender {
+    [self.session enableLocalAudio:!self.localAudioEnable];
+    self.localAudioEnable = !self.localAudioEnable;
+}
+
+
+- (void)attachLocalStream {
+    NSString *uid = SellyRTCEngine.sharedEngine.userId;
+
+    // 1. Grid 布局请求一个格子
+    SLSVideoTileView *container = [self.grid ensureRenderContainerForUID:uid
+                                                   displayName:uid];
+
+    // 2. 将本地视频绑定到 container
+    SellyRtcVideoCanvas *canvas = [[SellyRtcVideoCanvas alloc] init];
+    // 你的接口要求 userId，这里用字符串版本地 uid
+    canvas.userId = uid;
+    canvas.view = container.contentView;
+    [self.session setLocalCanvas:canvas];
+}
+
+#pragma marks SLSVideoEngineEvents
+
+#pragma mark - SellyRTCSessionDelegate 回调桥接到 SLSVideoEngineEvents
+
+/// 无法恢复的错误
+- (void)rtcSession:(SellyRTCSession *)session onError:(NSError *)error {
+    // 这里看你要不要额外给业务一个错误回调，可以扩展 SLSVideoEngineEvents
+    NSLog(@"rtc.onerror == %@",error);
+    [self.view showToast:error.localizedDescription];
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        [self.navigationController popViewControllerAnimated:true];
+    });
+}
+
+/// 远端用户加入
+- (void)rtcSession:(SellyRTCSession *)session onUserJoined:(NSString *)userId {
+    SLSVideoTileView *container = [self.grid ensureRenderContainerForUID:userId
+                                                   displayName:userId];
+    SellyRtcVideoCanvas *canvas = [[SellyRtcVideoCanvas alloc] init];
+    canvas.userId = userId;
+    canvas.view = container.contentView;
+    [self.session setRemoteCanvas:canvas];
+}
+
+/// 远端用户离开
+- (void)rtcSession:(SellyRTCSession *)session onUserLeave:(NSString *)userId {
+    [self.grid detachUID:userId];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session audioEnabled:(BOOL)enabled userId:(NSString *)userId {
+    NSLog(@"userId == %@ audioEnabled == %d",userId,enabled);
+}
+
+- (void)rtcSession:(SellyRTCSession *)session videoEnabled:(BOOL)enabled userId:(NSString *)userId {
+    NSLog(@"userId == %@ videoEnabled == %d",userId,enabled);
+}
+
+/// 收到自定义消息
+- (void)rtcSession:(SellyRTCSession *)session didReceiveMessage:(NSString *)message userId:(NSString *)userId {
+    NSLog(@"recv message from %@: %@", userId, message);
+}
+
+/// 连接状态变化
+- (void)rtcSession:(SellyRTCSession *)session connectionStateChanged:(SellyRTCConnectState)state userId:(nullable NSString *)userId {
+    NSLog(@"ice.connectionStateChanged == %ld",state);
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onRoomConnectionStateChanged:(SellyRoomConnectionState)state {
+    NSLog(@"####onSocketStateChanged == %ld",(long)state);
+}
+
+/// 视频前处理（如果你要做美颜，可以在这里转发给业务；目前和 UI 层无关）
+- (CVPixelBufferRef)rtcSession:(SellyRTCSession *)session onCaptureVideoFrame:(CVPixelBufferRef)pixelBuffer {
+    // 默认不处理，直接返回原始帧
+    return pixelBuffer;
+}
+
+/// 统计信息（如果你的 SellyRTCP2pStats 里有音量相关信息，可以在这里转成 videoEngineVolumeIndication）
+- (void)rtcSession:(SellyRTCSession *)session onStats:(SellyRTCP2pStats *)stats userId:(nullable NSString *)userId {
+    // TODO: 如果 stats 里有本地 / 远端音量，可在这里构造一个 dict 调用:
+    // if ([self.eventsDelegate respondsToSelector:@selector(videoEngineVolumeIndication:)]) { ... }
+    SLSVideoTileView *view = [self.grid ensureRenderContainerForUID:userId displayName:nil];
+    view.stats = stats;
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onDuration:(NSInteger)duration {
+    self.duration.text = [NSString stringWithFormat:@"%02ld:%02ld",duration/60,duration%60];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session tokenWillExpire:(NSString *)token {
+    NSString *newToken = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+    [session renewToken:newToken];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session tokenExpired:(NSString *)token {
+    NSString *newToken = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+    [session renewToken:newToken];
+}
+
+- (SellyRTCSession *)session {
+    if (!_session) {
+        _session = [[SellyRTCSession alloc] initWithType:false];
+    }
+    return _session;
+}
+
+/*
+#pragma mark - Navigation
+
+// In a storyboard-based application, you will often want to do a little preparation before navigation
+- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
+    // Get the new view controller using [segue destinationViewController].
+    // Pass the selected object to the new view controller.
+}
+*/
+
+@end

Example/SellyCloudSDK/VideoCall/SellyVideoCallConferenceController.xib

@@ -0,0 +1,127 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="24127" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="24063"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="SellyVideoCallConferenceController">
+            <connections>
+                <outlet property="duration" destination="RWd-4c-qBr" id="7Fz-B2-8rP"/>
+                <outlet property="grid" destination="x73-lB-7SC" id="vbG-wv-e2W"/>
+                <outlet property="view" destination="iN0-l3-epB" id="bQ9-58-b7b"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="iN0-l3-epB">
+            <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="x73-lB-7SC" customClass="SLSVideoGridView">
+                    <rect key="frame" x="0.0" y="118" width="393" height="666"/>
+                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                </view>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6v8-oR-9TX">
+                    <rect key="frame" x="10" y="724" width="373" height="60"/>
+                    <subviews>
+                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="9cL-GX-wDb">
+                            <rect key="frame" x="8" y="0.0" width="70.333333333333329" height="60"/>
+                            <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                            <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                            <state key="normal" title="扬声器"/>
+                            <connections>
+                                <action selector="onSpeakerClick:" destination="-1" eventType="touchUpInside" id="pdE-NO-Gs7"/>
+                            </connections>
+                        </button>
+                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="jG5-Eu-Uge">
+                            <rect key="frame" x="78.333333333333329" y="0.0" width="69.999999999999986" height="60"/>
+                            <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                            <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                            <state key="normal" title="相机"/>
+                            <connections>
+                                <action selector="onCameraClick:" destination="-1" eventType="touchUpInside" id="veg-DA-wqN"/>
+                            </connections>
+                        </button>
+                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="9cJ-6i-CUh">
+                            <rect key="frame" x="154.33333333333334" y="0.0" width="70.333333333333343" height="60"/>
+                            <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                            <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                            <state key="normal" title="前/后"/>
+                            <connections>
+                                <action selector="onSwitchClick:" destination="-1" eventType="touchUpInside" id="KDF-UM-l88"/>
+                            </connections>
+                        </button>
+                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="NOc-pM-ipi">
+                            <rect key="frame" x="224.66666666666663" y="0.0" width="70" height="60"/>
+                            <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                            <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                            <state key="normal" title="静音"/>
+                            <connections>
+                                <action selector="onMuteClick:" destination="-1" eventType="touchUpInside" id="iM3-2r-3Wa"/>
+                            </connections>
+                        </button>
+                        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="HfC-GS-Nm4">
+                            <rect key="frame" x="294.66666666666669" y="0.0" width="70.333333333333314" height="60"/>
+                            <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                            <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                            <state key="normal" title="挂断"/>
+                        </button>
+                    </subviews>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.20000000000000001" colorSpace="custom" customColorSpace="calibratedRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="bottom" secondItem="9cJ-6i-CUh" secondAttribute="bottom" id="0qy-He-fOc"/>
+                        <constraint firstItem="HfC-GS-Nm4" firstAttribute="top" secondItem="6v8-oR-9TX" secondAttribute="top" id="10n-bQ-J9U"/>
+                        <constraint firstItem="HfC-GS-Nm4" firstAttribute="width" secondItem="9cL-GX-wDb" secondAttribute="width" id="1eM-d7-N30"/>
+                        <constraint firstAttribute="bottom" secondItem="9cL-GX-wDb" secondAttribute="bottom" id="2IO-yA-oKI"/>
+                        <constraint firstItem="9cL-GX-wDb" firstAttribute="leading" secondItem="6v8-oR-9TX" secondAttribute="leading" constant="8" id="6LO-0b-WAm"/>
+                        <constraint firstItem="9cJ-6i-CUh" firstAttribute="width" secondItem="9cL-GX-wDb" secondAttribute="width" id="6M5-rr-NY3"/>
+                        <constraint firstItem="NOc-pM-ipi" firstAttribute="width" secondItem="9cL-GX-wDb" secondAttribute="width" id="8W2-ba-fCR"/>
+                        <constraint firstAttribute="trailing" secondItem="HfC-GS-Nm4" secondAttribute="trailing" constant="8" id="BJU-bZ-stW"/>
+                        <constraint firstAttribute="height" constant="60" id="GQX-Zk-IU3"/>
+                        <constraint firstAttribute="bottom" secondItem="jG5-Eu-Uge" secondAttribute="bottom" id="JeH-3O-oGh"/>
+                        <constraint firstAttribute="bottom" secondItem="HfC-GS-Nm4" secondAttribute="bottom" id="RDR-5g-dn1"/>
+                        <constraint firstItem="9cJ-6i-CUh" firstAttribute="top" secondItem="6v8-oR-9TX" secondAttribute="top" id="Vcn-tY-tWm"/>
+                        <constraint firstItem="NOc-pM-ipi" firstAttribute="leading" secondItem="9cJ-6i-CUh" secondAttribute="trailing" id="Xlx-TP-7zF"/>
+                        <constraint firstItem="jG5-Eu-Uge" firstAttribute="leading" secondItem="9cL-GX-wDb" secondAttribute="trailing" id="cRF-ab-bZr"/>
+                        <constraint firstItem="jG5-Eu-Uge" firstAttribute="width" secondItem="9cL-GX-wDb" secondAttribute="width" id="dsZ-zI-87w"/>
+                        <constraint firstItem="9cL-GX-wDb" firstAttribute="top" secondItem="6v8-oR-9TX" secondAttribute="top" id="gGo-FE-rhF"/>
+                        <constraint firstItem="HfC-GS-Nm4" firstAttribute="leading" secondItem="NOc-pM-ipi" secondAttribute="trailing" id="nTa-Or-z6z"/>
+                        <constraint firstItem="9cJ-6i-CUh" firstAttribute="leading" secondItem="jG5-Eu-Uge" secondAttribute="trailing" constant="6" id="utX-kz-plt"/>
+                        <constraint firstItem="NOc-pM-ipi" firstAttribute="top" secondItem="6v8-oR-9TX" secondAttribute="top" id="wQY-Jg-zjx"/>
+                        <constraint firstItem="jG5-Eu-Uge" firstAttribute="top" secondItem="6v8-oR-9TX" secondAttribute="top" id="xqc-qc-LBe"/>
+                        <constraint firstAttribute="bottom" secondItem="NOc-pM-ipi" secondAttribute="bottom" id="y0y-MD-VgO"/>
+                    </constraints>
+                </view>
+                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="RWd-4c-qBr">
+                    <rect key="frame" x="196.66666666666666" y="724" width="0.0" height="0.0"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                    <nil key="highlightedColor"/>
+                </label>
+            </subviews>
+            <viewLayoutGuide key="safeArea" id="vUN-kp-3ea"/>
+            <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+            <constraints>
+                <constraint firstItem="vUN-kp-3ea" firstAttribute="trailing" secondItem="x73-lB-7SC" secondAttribute="trailing" id="M9E-eI-AK2"/>
+                <constraint firstItem="6v8-oR-9TX" firstAttribute="top" secondItem="RWd-4c-qBr" secondAttribute="bottom" id="MfF-Tt-Pzc"/>
+                <constraint firstItem="vUN-kp-3ea" firstAttribute="bottom" secondItem="6v8-oR-9TX" secondAttribute="bottom" id="dr1-yC-tY1"/>
+                <constraint firstItem="x73-lB-7SC" firstAttribute="leading" secondItem="vUN-kp-3ea" secondAttribute="leading" id="emy-ft-ubu"/>
+                <constraint firstItem="x73-lB-7SC" firstAttribute="top" secondItem="vUN-kp-3ea" secondAttribute="top" id="kCD-1e-yr3"/>
+                <constraint firstItem="RWd-4c-qBr" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="mQ5-Gb-AKH"/>
+                <constraint firstItem="vUN-kp-3ea" firstAttribute="trailing" secondItem="6v8-oR-9TX" secondAttribute="trailing" constant="10" id="ptB-hQ-Xxt"/>
+                <constraint firstItem="vUN-kp-3ea" firstAttribute="bottom" secondItem="x73-lB-7SC" secondAttribute="bottom" id="vYx-gD-7SC"/>
+                <constraint firstItem="6v8-oR-9TX" firstAttribute="leading" secondItem="vUN-kp-3ea" secondAttribute="leading" constant="10" id="xjL-T5-NVc"/>
+            </constraints>
+            <point key="canvasLocation" x="140" y="154"/>
+        </view>
+    </objects>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Example/SellyCloudSDK/VideoCall/SellyVideoCallViewController.h

@@ -0,0 +1,19 @@
+//
+//  SellyVideoCallViewController.h
+//  SellyCloudSDK_Example
+//  单聊
+//  Created by Caleb on 3/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <SellyCloudSDK/SellyCloudManager.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface SellyVideoCallViewController : UIViewController
+@property (nonatomic, strong)NSString *channelId;
+@property (nonatomic, strong)SellyRTCVideoConfiguration *videoConfig;
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/SellyVideoCallViewController.m

@@ -0,0 +1,257 @@
+//
+//  SellyVideoCallViewController.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 3/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "SellyVideoCallViewController.h"
+#import <SellyCloudSDK/SellyCloudManager.h>
+#import "FUManager.h"
+#import "UIView+SellyCloud.h"
+#import "SellyCallPiPManager.h"
+#import "TokenGenerator.h"
+
+@interface SellyVideoCallViewController ()<SellyRTCSessionDelegate>
+@property (weak, nonatomic) IBOutlet UIView *localView;
+@property (weak, nonatomic) IBOutlet UIView *remoteView;
+
+@property (nonatomic, strong)SellyRTCEngine *engine;
+@property (nonatomic, strong)SellyRTCSession *session;
+
+@property (nonatomic, assign)BOOL localVideoEnable;
+@property (nonatomic, assign)BOOL localAudioEnable;
+
+@property (nonatomic, strong)AVAudioPlayer *player;
+
+@property (weak, nonatomic) IBOutlet UILabel *bitrate;
+@property (weak, nonatomic) IBOutlet UILabel *videoFps;
+@property (weak, nonatomic) IBOutlet UILabel *rtt;
+@property (weak, nonatomic) IBOutlet UILabel *codec;
+@property (weak, nonatomic) IBOutlet UILabel *duration;
+@property (weak, nonatomic) IBOutlet UILabel *videoSize;
+@property (weak, nonatomic) IBOutlet NSLayoutConstraint *remoteWConstraint;
+
+@property (nonatomic, strong) SellyCallPiPManager *pipManager;
+@end
+
+@implementation SellyVideoCallViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.title = @"音视频单聊";
+    // Do any additional setup after loading the view from its nib.
+    SellyRtcVideoCanvas *localCanvas = SellyRtcVideoCanvas.new;
+    localCanvas.view = self.localView;
+    localCanvas.userId = SellyRTCEngine.sharedEngine.userId;
+    [self.session setLocalCanvas:localCanvas];
+    
+    self.session.delegate = self;
+    self.session.delegate = self;
+    if (self.videoConfig == nil) {
+        self.videoConfig = SellyRTCVideoConfiguration.defaultConfig;
+    }
+    self.session.videoConfig = self.videoConfig;
+    
+    //模拟先本地预览响铃，5s后接通的流程
+    [self.session startPreview];
+    //开启视频
+    [self onCameraClick:nil];
+    //模拟等待接听铃声
+    [self playSourceName:nil numberOfLoops:100];
+    
+    //设置扬声器播放
+    {
+        //使用这种方案，通话接通前无法在receiver和speaker直接来回切换，强制扬声器
+//        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+    
+    {
+        //使用这种方案，通话接通前可以在receiver和speaker直接来回切换
+        NSError *error;
+        [AVAudioSession.sharedInstance setCategory:AVAudioSessionCategoryPlayAndRecord mode:AVAudioSessionModeVoiceChat options:AVAudioSessionCategoryOptionDuckOthers|AVAudioSessionCategoryOptionAllowBluetooth|AVAudioSessionCategoryOptionMixWithOthers error:&error];
+        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+    
+    self.remoteWConstraint.constant = 200*self.session.videoConfig.resolution.height/self.session.videoConfig.resolution.width;
+    
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        //模拟3s后接通
+        NSString *token = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+        [self.session startWithChannelId:self.channelId token:token];
+    });
+    
+    //默认语音开启
+    self.localAudioEnable = true;
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    [self.session end];
+    [self QCM_stopRing];
+    
+    //正常情况下退出通话要保持，这里只做演示
+    if (@available(iOS 15.0, *)) {
+        if (self.pipManager.pipActive) {
+            [self.pipManager togglePiP]; // 关掉 PiP
+        }
+    }
+}
+
+- (IBAction)onSpeakerClick:(id)sender {
+    //如果没有外接设备，可以直接调用这个方法在听筒和扬声器直接来回切换
+    AVAudioSessionPort currentPort = AVAudioSession.sharedInstance.currentRoute.outputs.firstObject.portType;
+    if ([currentPort isEqualToString:AVAudioSessionPortBuiltInSpeaker]) {
+        [self.session setAudioOutput:AVAudioSessionPortOverrideNone];
+    }
+    else {
+        [self.session setAudioOutput:AVAudioSessionPortOverrideSpeaker];
+    }
+}
+
+- (IBAction)onCameraClick:(id)sender {
+    [self.session enableLocalVideo:!self.localVideoEnable];
+    self.localVideoEnable = !self.localVideoEnable;
+}
+
+- (IBAction)onSwitchClick:(id)sender {
+    [self.session switchCamera];
+}
+
+- (IBAction)onMuteClick:(id)sender {
+    [self.session enableLocalAudio:!self.localAudioEnable];
+    self.localAudioEnable = !self.localAudioEnable;
+}
+
+- (IBAction)onActionPIP:(id)sender {
+    if (@available(iOS 15.0, *)) {
+        if (self.pipManager.pipPossible) {
+            [self.pipManager togglePiP];
+        } else {
+            [self.view showToast:@"当前设备不支持画中画"];
+        }
+    } else {
+        [self.view showToast:@"iOS 15 以上才支持自定义 PiP"];
+    }
+}
+
+- (void)playSourceName:(NSString *)source numberOfLoops:(NSInteger)numberOfLoops {
+    NSString *url = [NSBundle.mainBundle pathForResource:@"call" ofType:@"caf"];
+    _player = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:url] error:nil];
+    _player.numberOfLoops = numberOfLoops;
+    [_player play];
+}
+
+- (void)QCM_stopRing {
+    if (_player && _player.isPlaying) {
+        [_player stop];
+    }
+}
+
+#pragma marks SellyRTCSessionDelegate
+- (void)rtcSession:(SellyRTCSession *)session didReceiveMessage:(NSString *)message userId:(NSString *)userId {
+    NSLog(@"userId == %@ didReceiveMessage == %@",userId,message);
+}
+
+- (void)rtcSession:(SellyRTCSession *)session audioEnabled:(BOOL)enabled userId:(NSString *)userId {
+    NSLog(@"userId == %@ audioEnabled == %d",userId,enabled);
+}
+
+- (void)rtcSession:(SellyRTCSession *)session videoEnabled:(BOOL)enabled userId:(NSString *)userId {
+    NSLog(@"userId == %@ videoEnabled == %d",userId,enabled);
+}
+
+- (void)rtcSession:(SellyRTCSession *)session connectionStateChanged:(SellyRTCConnectState)state userId:(nullable NSString *)userId {
+    NSLog(@"ice.connectionStateChanged == %ld",state);
+    // 初始化 PiP Manager
+    if (state == SellyRTCConnectStateConnected && !self.pipManager) {
+        self.pipManager = [[SellyCallPiPManager alloc] initWithRenderView:self.remoteView];
+        [self.pipManager setupIfNeeded];
+    }
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onRoomConnectionStateChanged:(SellyRoomConnectionState)state {
+    NSLog(@"onSocketStateChanged == %ld",(long)state);
+}
+
+- (CVPixelBufferRef)rtcSession:(SellyRTCSession *)session onCaptureVideoFrame:(CVPixelBufferRef)pixelBuffer {
+    CVPixelBufferRef afterBuffer = [FUManager.shareManager renderItemsToPixelBuffer:pixelBuffer];
+    return afterBuffer;
+}
+
+//返回false sdk内部将不会默认渲染改帧
+- (BOOL)rtcSession:(SellyRTCSession *)session
+ onRenderVideoFrame:(SellyRTCVideoFrame *)videoFrame
+            userId:(NSString *)userId {
+    
+    // 1. SDK 继续默认渲染到你设置的 canvas（localView/remoteView）
+    // 2. 同时，我们把远端的帧喂给 PiP layer。假设你想 PiP 显示远端 userId：
+    [self.pipManager feedVideoFrame:videoFrame];
+    return false; // 仍然让 SDK 内部按 canvas 渲染
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onError:(NSError *)error {
+    NSLog(@"rtcSession.error == %@",error);
+    [self.session end];
+    [self.view showToast:error.localizedDescription];
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        [self.navigationController popViewControllerAnimated:true];
+    });
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onStats:(SellyRTCP2pStats *)stats userId:(nullable NSString *)userId {
+    self.bitrate.text = [NSString stringWithFormat:@"%ld/%ld",(NSInteger)stats.txKbps,(NSInteger)stats.rxKbps];
+    self.videoFps.text = [NSString stringWithFormat:@"%ld/%ld",(NSInteger)stats.sentFps,(NSInteger)stats.recvFps];
+    self.rtt.text = [NSString stringWithFormat:@"%ld",(NSInteger)stats.transportRttMs];
+    self.codec.text = [NSString stringWithFormat:@"%@/%@",stats.videoCodec,stats.audioCodec];
+    self.videoSize.text = [NSString stringWithFormat:@"%ldx%ld",stats.recvWidth,stats.recvHeight];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onDuration:(NSInteger)duration {
+    self.duration.text = [NSString stringWithFormat:@"%02ld:%02ld",duration/60,duration%60];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onUserJoined:(NSString *)userId {
+    NSLog(@"###onUserJoined == %@",userId);
+    SellyRtcVideoCanvas *remoteCanvas = SellyRtcVideoCanvas.new;
+    remoteCanvas.view = self.remoteView;
+    remoteCanvas.userId = userId;
+    [self.session setRemoteCanvas:remoteCanvas];
+    
+    [self QCM_stopRing];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session onUserLeave:(NSString *)userId {
+    NSLog(@"####onUserLeave == %@",userId);
+    [self.navigationController popViewControllerAnimated:true];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session tokenWillExpire:(NSString *)token {
+    NSString *newToken = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+    [session renewToken:newToken];
+}
+
+- (void)rtcSession:(SellyRTCSession *)session tokenExpired:(NSString *)token {
+    NSString *newToken = [TokenGenerator generateTokenWithUserId:SellyRTCEngine.sharedEngine.userId callId:self.channelId];
+    [session renewToken:newToken];
+}
+
+- (SellyRTCEngine *)engine {
+    return SellyRTCEngine.sharedEngine;
+}
+
+- (SellyRTCSession *)session {
+    if (!_session) {
+        _session = [[SellyRTCSession alloc] initWithType:true];
+    }
+    return _session;
+}
+
+- (void)dealloc
+{
+    [self.session setAudioOutput:AVAudioSessionPortOverrideNone];
+    NSError *error;
+    [AVAudioSession.sharedInstance setCategory:AVAudioSessionCategoryPlayback error:&error];
+}
+@end

Example/SellyCloudSDK/VideoCall/SellyVideoCallViewController.xib

@@ -0,0 +1,374 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="24127" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="24063"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="SellyVideoCallViewController">
+            <connections>
+                <outlet property="bitrate" destination="o8m-iY-37M" id="Zic-rC-qmf"/>
+                <outlet property="codec" destination="bNV-qQ-j2Q" id="U8l-IE-J0P"/>
+                <outlet property="duration" destination="cHB-rM-aMb" id="AAH-Lj-wWM"/>
+                <outlet property="localView" destination="6ee-YL-4qL" id="5uS-Nk-bEw"/>
+                <outlet property="remoteView" destination="0Nt-EE-wL9" id="NAM-lY-79G"/>
+                <outlet property="remoteWConstraint" destination="ung-jS-8fk" id="Vbg-pr-YLO"/>
+                <outlet property="rtt" destination="tlj-eh-tlf" id="tUf-Lz-CEH"/>
+                <outlet property="videoFps" destination="jSy-UX-E4Z" id="ucx-Ji-mgV"/>
+                <outlet property="videoSize" destination="Lzv-lv-1qD" id="dGC-J9-aKI"/>
+                <outlet property="view" destination="i5M-Pr-FkT" id="sfx-zR-JGt"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view clearsContextBeforeDrawing="NO" contentMode="scaleToFill" id="i5M-Pr-FkT">
+            <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="6ee-YL-4qL">
+                    <rect key="frame" x="0.0" y="118" width="393" height="666"/>
+                    <subviews>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="j7r-De-oyk">
+                            <rect key="frame" x="12" y="576" width="369" height="60"/>
+                            <subviews>
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="E6T-zb-Wgg">
+                                    <rect key="frame" x="8" y="0.0" width="69.333333333333329" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                    <state key="normal" title="扬声器"/>
+                                    <connections>
+                                        <action selector="onSpeakerClick:" destination="-1" eventType="touchUpInside" id="ThQ-g3-tde"/>
+                                    </connections>
+                                </button>
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="5eT-Kr-XFW">
+                                    <rect key="frame" x="77.333333333333343" y="0.0" width="69.333333333333343" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                    <state key="normal" title="相机"/>
+                                    <connections>
+                                        <action selector="onCameraClick:" destination="-1" eventType="touchUpInside" id="kxT-hf-4nV"/>
+                                    </connections>
+                                </button>
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="BJt-6W-POf">
+                                    <rect key="frame" x="152.66666666666666" y="0.0" width="69.666666666666657" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                    <state key="normal" title="前/后"/>
+                                    <connections>
+                                        <action selector="onSwitchClick:" destination="-1" eventType="touchUpInside" id="JiJ-tO-0Bq"/>
+                                    </connections>
+                                </button>
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="swf-8f-aNA">
+                                    <rect key="frame" x="222.33333333333334" y="0.0" width="69.333333333333343" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                    <state key="normal" title="静音"/>
+                                    <connections>
+                                        <action selector="onMuteClick:" destination="-1" eventType="touchUpInside" id="cwb-4v-J15"/>
+                                    </connections>
+                                </button>
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="LeJ-p8-SAa">
+                                    <rect key="frame" x="291.66666666666669" y="0.0" width="69.333333333333314" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="15"/>
+                                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                                    <state key="normal" title="画中画"/>
+                                    <connections>
+                                        <action selector="onActionPIP:" destination="-1" eventType="touchUpInside" id="JG3-Zj-bfB"/>
+                                    </connections>
+                                </button>
+                            </subviews>
+                            <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.20000000000000001" colorSpace="custom" customColorSpace="calibratedRGB"/>
+                            <constraints>
+                                <constraint firstAttribute="bottom" secondItem="LeJ-p8-SAa" secondAttribute="bottom" id="0qg-hu-ZPL"/>
+                                <constraint firstItem="BJt-6W-POf" firstAttribute="width" secondItem="E6T-zb-Wgg" secondAttribute="width" id="2CE-Zj-arY"/>
+                                <constraint firstItem="LeJ-p8-SAa" firstAttribute="width" secondItem="E6T-zb-Wgg" secondAttribute="width" id="2gk-3R-Gxh"/>
+                                <constraint firstAttribute="bottom" secondItem="5eT-Kr-XFW" secondAttribute="bottom" id="5CA-gN-WnZ"/>
+                                <constraint firstAttribute="height" constant="60" id="BUC-Wc-29P"/>
+                                <constraint firstAttribute="bottom" secondItem="E6T-zb-Wgg" secondAttribute="bottom" id="DSl-0W-fPu"/>
+                                <constraint firstItem="5eT-Kr-XFW" firstAttribute="width" secondItem="E6T-zb-Wgg" secondAttribute="width" id="F02-wh-RAD"/>
+                                <constraint firstAttribute="bottom" secondItem="BJt-6W-POf" secondAttribute="bottom" id="Gg4-iA-YVv"/>
+                                <constraint firstItem="swf-8f-aNA" firstAttribute="width" secondItem="E6T-zb-Wgg" secondAttribute="width" id="Iee-Y4-Ma9"/>
+                                <constraint firstItem="swf-8f-aNA" firstAttribute="top" secondItem="j7r-De-oyk" secondAttribute="top" id="NMg-u1-8p2"/>
+                                <constraint firstAttribute="bottom" secondItem="swf-8f-aNA" secondAttribute="bottom" id="OTb-5p-Cqm"/>
+                                <constraint firstAttribute="trailing" secondItem="LeJ-p8-SAa" secondAttribute="trailing" constant="8" id="XB9-cS-Cxo"/>
+                                <constraint firstItem="5eT-Kr-XFW" firstAttribute="top" secondItem="j7r-De-oyk" secondAttribute="top" id="abF-Xi-Pnf"/>
+                                <constraint firstItem="swf-8f-aNA" firstAttribute="leading" secondItem="BJt-6W-POf" secondAttribute="trailing" id="ci1-mn-Au0"/>
+                                <constraint firstItem="E6T-zb-Wgg" firstAttribute="top" secondItem="j7r-De-oyk" secondAttribute="top" id="fyy-eA-9Cb"/>
+                                <constraint firstItem="5eT-Kr-XFW" firstAttribute="leading" secondItem="E6T-zb-Wgg" secondAttribute="trailing" id="gb7-73-du5"/>
+                                <constraint firstItem="LeJ-p8-SAa" firstAttribute="top" secondItem="j7r-De-oyk" secondAttribute="top" id="gi9-4w-v20"/>
+                                <constraint firstItem="BJt-6W-POf" firstAttribute="leading" secondItem="5eT-Kr-XFW" secondAttribute="trailing" constant="6" id="q4b-yq-yTd"/>
+                                <constraint firstItem="E6T-zb-Wgg" firstAttribute="leading" secondItem="j7r-De-oyk" secondAttribute="leading" constant="8" id="riP-t6-v5N"/>
+                                <constraint firstItem="LeJ-p8-SAa" firstAttribute="leading" secondItem="swf-8f-aNA" secondAttribute="trailing" id="v5Y-nz-VcK"/>
+                                <constraint firstItem="BJt-6W-POf" firstAttribute="top" secondItem="j7r-De-oyk" secondAttribute="top" id="zXh-nc-MNi"/>
+                            </constraints>
+                        </view>
+                    </subviews>
+                    <color key="backgroundColor" systemColor="systemGray6Color"/>
+                    <constraints>
+                        <constraint firstItem="j7r-De-oyk" firstAttribute="leading" secondItem="6ee-YL-4qL" secondAttribute="leading" constant="12" id="ONg-cN-Qi2"/>
+                        <constraint firstAttribute="trailing" secondItem="j7r-De-oyk" secondAttribute="trailing" constant="12" id="Qp1-9f-ofT"/>
+                        <constraint firstAttribute="bottom" secondItem="j7r-De-oyk" secondAttribute="bottom" constant="30" id="j3O-wc-sgB"/>
+                    </constraints>
+                </view>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="q4E-kH-X2Y">
+                    <rect key="frame" x="0.0" y="128" width="258" height="190"/>
+                    <subviews>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="W0J-IX-GAt">
+                            <rect key="frame" x="0.0" y="0.0" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="码率(上/下)" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bUd-Fj-vkV">
+                                    <rect key="frame" x="10" y="6.6666666666666572" width="75.333333333333329" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="o8m-iY-37M">
+                                    <rect key="frame" x="217.33333333333334" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="kbps" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="GUi-6e-Y1D">
+                                    <rect key="frame" x="222.33333333333334" y="8" width="27.666666666666657" height="14.333333333333336"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstItem="GUi-6e-Y1D" firstAttribute="centerY" secondItem="W0J-IX-GAt" secondAttribute="centerY" id="CJA-I7-uJ1"/>
+                                <constraint firstAttribute="trailing" secondItem="GUi-6e-Y1D" secondAttribute="trailing" constant="8" id="EOK-k3-ORk"/>
+                                <constraint firstItem="GUi-6e-Y1D" firstAttribute="leading" secondItem="o8m-iY-37M" secondAttribute="trailing" constant="5" id="T6L-T9-9p2"/>
+                                <constraint firstItem="o8m-iY-37M" firstAttribute="centerY" secondItem="W0J-IX-GAt" secondAttribute="centerY" id="dfu-PH-bg6"/>
+                                <constraint firstAttribute="height" constant="30" id="f1y-Hr-CMD"/>
+                                <constraint firstItem="bUd-Fj-vkV" firstAttribute="centerY" secondItem="W0J-IX-GAt" secondAttribute="centerY" id="hPl-s4-sOb"/>
+                                <constraint firstItem="bUd-Fj-vkV" firstAttribute="leading" secondItem="W0J-IX-GAt" secondAttribute="leading" constant="10" id="uPe-N2-wUD"/>
+                            </constraints>
+                        </view>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="YyY-da-hEe">
+                            <rect key="frame" x="0.0" y="30" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="帧率(上/下)" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="DWM-1c-BOA">
+                                    <rect key="frame" x="10" y="6.6666666666666572" width="76" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="jSy-UX-E4Z">
+                                    <rect key="frame" x="227" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="fps" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="hSL-Ie-ybs">
+                                    <rect key="frame" x="232" y="8" width="18" height="14.333333333333336"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstItem="DWM-1c-BOA" firstAttribute="centerY" secondItem="YyY-da-hEe" secondAttribute="centerY" id="V9v-DD-pdg"/>
+                                <constraint firstAttribute="height" constant="30" id="VA2-z3-OmP"/>
+                                <constraint firstItem="DWM-1c-BOA" firstAttribute="leading" secondItem="YyY-da-hEe" secondAttribute="leading" constant="10" id="Xlh-dX-iNH"/>
+                                <constraint firstItem="hSL-Ie-ybs" firstAttribute="centerY" secondItem="YyY-da-hEe" secondAttribute="centerY" id="Yhh-Ui-8y1"/>
+                                <constraint firstItem="hSL-Ie-ybs" firstAttribute="leading" secondItem="jSy-UX-E4Z" secondAttribute="trailing" constant="5" id="hip-UX-ceg"/>
+                                <constraint firstItem="jSy-UX-E4Z" firstAttribute="centerY" secondItem="YyY-da-hEe" secondAttribute="centerY" id="kkz-pQ-YgK"/>
+                                <constraint firstAttribute="trailing" secondItem="hSL-Ie-ybs" secondAttribute="trailing" constant="8" id="pNv-iS-pPG"/>
+                            </constraints>
+                        </view>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="enI-iD-cr0">
+                            <rect key="frame" x="0.0" y="60" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="rtt" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="i9V-IZ-8dQ">
+                                    <rect key="frame" x="10" y="6.6666666666666572" width="16" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="tlj-eh-tlf">
+                                    <rect key="frame" x="228" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="ms" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ua6-eQ-PT6">
+                                    <rect key="frame" x="233" y="7.6666666666666572" width="17" height="15"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstAttribute="trailing" secondItem="ua6-eQ-PT6" secondAttribute="trailing" constant="8" id="3TR-nO-jw8"/>
+                                <constraint firstItem="tlj-eh-tlf" firstAttribute="centerY" secondItem="enI-iD-cr0" secondAttribute="centerY" id="FVv-O4-Src"/>
+                                <constraint firstItem="i9V-IZ-8dQ" firstAttribute="centerY" secondItem="enI-iD-cr0" secondAttribute="centerY" id="KcM-RI-cEk"/>
+                                <constraint firstItem="ua6-eQ-PT6" firstAttribute="centerY" secondItem="enI-iD-cr0" secondAttribute="centerY" id="N9A-KT-wWQ"/>
+                                <constraint firstItem="ua6-eQ-PT6" firstAttribute="leading" secondItem="tlj-eh-tlf" secondAttribute="trailing" constant="5" id="NcC-tU-Xof"/>
+                                <constraint firstAttribute="height" constant="30" id="dht-1A-7IX"/>
+                                <constraint firstItem="i9V-IZ-8dQ" firstAttribute="leading" secondItem="enI-iD-cr0" secondAttribute="leading" constant="10" id="fFY-l4-BJO"/>
+                            </constraints>
+                        </view>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="e7M-aI-Og6">
+                            <rect key="frame" x="0.0" y="90" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="codec" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="UB0-g3-9v2">
+                                    <rect key="frame" x="10" y="6.6666666666666572" width="40" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="bNV-qQ-j2Q">
+                                    <rect key="frame" x="245" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="s5F-dm-vF7">
+                                    <rect key="frame" x="250" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstItem="s5F-dm-vF7" firstAttribute="centerY" secondItem="e7M-aI-Og6" secondAttribute="centerY" id="6SI-So-g0w"/>
+                                <constraint firstItem="bNV-qQ-j2Q" firstAttribute="centerY" secondItem="e7M-aI-Og6" secondAttribute="centerY" id="6qb-tI-YBQ"/>
+                                <constraint firstAttribute="height" constant="30" id="A1b-72-Gpa"/>
+                                <constraint firstItem="s5F-dm-vF7" firstAttribute="leading" secondItem="bNV-qQ-j2Q" secondAttribute="trailing" constant="5" id="eo8-9P-sd8"/>
+                                <constraint firstAttribute="trailing" secondItem="s5F-dm-vF7" secondAttribute="trailing" constant="8" id="ilK-u8-Z0r"/>
+                                <constraint firstItem="UB0-g3-9v2" firstAttribute="leading" secondItem="e7M-aI-Og6" secondAttribute="leading" constant="10" id="nxe-KP-x0t"/>
+                                <constraint firstItem="UB0-g3-9v2" firstAttribute="centerY" secondItem="e7M-aI-Og6" secondAttribute="centerY" id="wMu-kL-cGg"/>
+                            </constraints>
+                        </view>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="dnX-kX-w8j">
+                            <rect key="frame" x="0.0" y="120" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="通话时长" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="MHg-b6-byJ">
+                                    <rect key="frame" x="10" y="6.6666666666666572" width="56" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="cHB-rM-aMb">
+                                    <rect key="frame" x="245" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="dcf-dl-LNl">
+                                    <rect key="frame" x="250" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstAttribute="height" constant="30" id="06W-pj-uQh"/>
+                                <constraint firstItem="dcf-dl-LNl" firstAttribute="leading" secondItem="cHB-rM-aMb" secondAttribute="trailing" constant="5" id="4IX-9t-pVV"/>
+                                <constraint firstItem="cHB-rM-aMb" firstAttribute="centerY" secondItem="dnX-kX-w8j" secondAttribute="centerY" id="CQu-bi-7Uj"/>
+                                <constraint firstItem="MHg-b6-byJ" firstAttribute="leading" secondItem="dnX-kX-w8j" secondAttribute="leading" constant="10" id="RwP-bg-mcu"/>
+                                <constraint firstItem="dcf-dl-LNl" firstAttribute="centerY" secondItem="dnX-kX-w8j" secondAttribute="centerY" id="SNA-ps-e3o"/>
+                                <constraint firstItem="MHg-b6-byJ" firstAttribute="centerY" secondItem="dnX-kX-w8j" secondAttribute="centerY" id="Y7v-oO-vc0"/>
+                                <constraint firstAttribute="trailing" secondItem="dcf-dl-LNl" secondAttribute="trailing" constant="8" id="jJR-hu-qe2"/>
+                            </constraints>
+                        </view>
+                        <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="HFE-M1-5pt">
+                            <rect key="frame" x="0.0" y="150" width="258" height="30"/>
+                            <subviews>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="视频:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="gpc-qR-pYU">
+                                    <rect key="frame" x="10" y="6.6666666666666856" width="32" height="17"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Lzv-lv-1qD">
+                                    <rect key="frame" x="245" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="14"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="A1X-q5-YCb">
+                                    <rect key="frame" x="250" y="15" width="0.0" height="0.0"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="12"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            <constraints>
+                                <constraint firstAttribute="trailing" secondItem="A1X-q5-YCb" secondAttribute="trailing" constant="8" id="52k-c0-yrI"/>
+                                <constraint firstItem="A1X-q5-YCb" firstAttribute="leading" secondItem="Lzv-lv-1qD" secondAttribute="trailing" constant="5" id="Jf6-1g-FHi"/>
+                                <constraint firstItem="A1X-q5-YCb" firstAttribute="centerY" secondItem="HFE-M1-5pt" secondAttribute="centerY" id="OdN-yN-mDR"/>
+                                <constraint firstItem="gpc-qR-pYU" firstAttribute="leading" secondItem="HFE-M1-5pt" secondAttribute="leading" constant="10" id="PCa-gk-rvl"/>
+                                <constraint firstAttribute="height" constant="30" id="UH8-fN-c7w"/>
+                                <constraint firstItem="Lzv-lv-1qD" firstAttribute="centerY" secondItem="HFE-M1-5pt" secondAttribute="centerY" id="dJh-LJ-wSy"/>
+                                <constraint firstItem="gpc-qR-pYU" firstAttribute="centerY" secondItem="HFE-M1-5pt" secondAttribute="centerY" id="oPH-H3-oI9"/>
+                            </constraints>
+                        </view>
+                    </subviews>
+                    <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.20000000000000001" colorSpace="calibratedRGB"/>
+                    <constraints>
+                        <constraint firstAttribute="trailing" secondItem="YyY-da-hEe" secondAttribute="trailing" id="3Gr-nx-pd0"/>
+                        <constraint firstItem="HFE-M1-5pt" firstAttribute="top" secondItem="dnX-kX-w8j" secondAttribute="bottom" id="4K0-r2-5x7"/>
+                        <constraint firstAttribute="trailing" secondItem="dnX-kX-w8j" secondAttribute="trailing" id="4go-fm-OFx"/>
+                        <constraint firstItem="W0J-IX-GAt" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="6Jy-oI-BNH"/>
+                        <constraint firstItem="YyY-da-hEe" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="7ka-Nr-Pan"/>
+                        <constraint firstAttribute="trailing" secondItem="e7M-aI-Og6" secondAttribute="trailing" id="Agh-Zn-p2K"/>
+                        <constraint firstItem="dnX-kX-w8j" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="KCQ-pA-oC4"/>
+                        <constraint firstAttribute="trailing" secondItem="HFE-M1-5pt" secondAttribute="trailing" id="KvH-vj-fOb"/>
+                        <constraint firstItem="e7M-aI-Og6" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="NPl-GU-z7C"/>
+                        <constraint firstAttribute="height" constant="190" id="NaF-I1-CL9"/>
+                        <constraint firstItem="YyY-da-hEe" firstAttribute="top" secondItem="W0J-IX-GAt" secondAttribute="bottom" id="PCA-Bm-d3u"/>
+                        <constraint firstItem="dnX-kX-w8j" firstAttribute="top" secondItem="e7M-aI-Og6" secondAttribute="bottom" id="Pnr-sZ-ijZ"/>
+                        <constraint firstItem="HFE-M1-5pt" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="S8M-r7-z0a"/>
+                        <constraint firstItem="enI-iD-cr0" firstAttribute="top" secondItem="YyY-da-hEe" secondAttribute="bottom" id="VZr-fz-115"/>
+                        <constraint firstItem="e7M-aI-Og6" firstAttribute="top" secondItem="enI-iD-cr0" secondAttribute="bottom" id="YAp-Go-xtO"/>
+                        <constraint firstItem="enI-iD-cr0" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="leading" id="kmB-XH-QLA"/>
+                        <constraint firstAttribute="trailing" secondItem="enI-iD-cr0" secondAttribute="trailing" id="qJA-sF-3EP"/>
+                        <constraint firstItem="W0J-IX-GAt" firstAttribute="top" secondItem="q4E-kH-X2Y" secondAttribute="top" id="rAm-5c-zHG"/>
+                        <constraint firstAttribute="trailing" secondItem="W0J-IX-GAt" secondAttribute="trailing" id="v5L-Be-S1P"/>
+                    </constraints>
+                </view>
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="0Nt-EE-wL9">
+                    <rect key="frame" x="263" y="128" width="120" height="200"/>
+                    <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="200" id="QBt-ql-Qt9"/>
+                        <constraint firstAttribute="width" constant="120" id="ung-jS-8fk"/>
+                    </constraints>
+                </view>
+            </subviews>
+            <viewLayoutGuide key="safeArea" id="Q5M-cg-NOt"/>
+            <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+            <constraints>
+                <constraint firstItem="q4E-kH-X2Y" firstAttribute="leading" secondItem="Q5M-cg-NOt" secondAttribute="leading" id="1dy-Gf-N5D"/>
+                <constraint firstItem="0Nt-EE-wL9" firstAttribute="top" secondItem="6ee-YL-4qL" secondAttribute="top" constant="10" id="6Ul-Xf-I75"/>
+                <constraint firstItem="0Nt-EE-wL9" firstAttribute="trailing" secondItem="6ee-YL-4qL" secondAttribute="trailing" constant="-10" id="McM-1X-FjP"/>
+                <constraint firstItem="6ee-YL-4qL" firstAttribute="leading" secondItem="Q5M-cg-NOt" secondAttribute="leading" id="Vfb-hu-Vjl"/>
+                <constraint firstItem="6ee-YL-4qL" firstAttribute="top" secondItem="Q5M-cg-NOt" secondAttribute="top" id="ZqC-VR-rnk"/>
+                <constraint firstItem="Q5M-cg-NOt" firstAttribute="bottom" secondItem="6ee-YL-4qL" secondAttribute="bottom" id="dao-WN-deP"/>
+                <constraint firstItem="0Nt-EE-wL9" firstAttribute="leading" secondItem="q4E-kH-X2Y" secondAttribute="trailing" constant="5" id="jwe-oS-X1g"/>
+                <constraint firstItem="q4E-kH-X2Y" firstAttribute="top" secondItem="0Nt-EE-wL9" secondAttribute="top" id="xeA-XP-OU3"/>
+                <constraint firstItem="Q5M-cg-NOt" firstAttribute="trailing" secondItem="6ee-YL-4qL" secondAttribute="trailing" id="yuA-Bt-5p9"/>
+            </constraints>
+            <point key="canvasLocation" x="-2422.1374045801526" y="-228.16901408450704"/>
+        </view>
+    </objects>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+        <systemColor name="systemGray6Color">
+            <color red="0.94901960780000005" green="0.94901960780000005" blue="0.96862745100000003" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+        </systemColor>
+    </resources>
+</document>

Example/SellyCloudSDK/VideoCall/TokenGenerator.h

@@ -0,0 +1,20 @@
+//
+//  TokenGenerator.h
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 20/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <CommonCrypto/CommonCrypto.h>
+
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface TokenGenerator : NSObject
++ (NSString *)generateTokenWithUserId:(NSString *)userId
+                              callId:(NSString *)callId;
+@end
+
+NS_ASSUME_NONNULL_END

Example/SellyCloudSDK/VideoCall/TokenGenerator.m

@@ -0,0 +1,48 @@
+//
+//  TokenGenerator.m
+//  SellyCloudSDK_Example
+//
+//  Created by Caleb on 20/11/25.
+//  Copyright © 2025 Caleb. All rights reserved.
+//
+
+#import "TokenGenerator.h"
+
+#define KAppId @"demo-app"
+#define KSecret @"CHANGE_ME"
+
+@implementation TokenGenerator
+
++ (NSString *)generateTokenWithUserId:(NSString *)userId
+                              callId:(NSString *)callId
+{
+    // 当前时间戳（秒）
+    long signTime = (long)[[NSDate date] timeIntervalSince1970];
+    long exprTime = signTime + 600;   // 10 分钟后过期
+
+    // payload 拼接
+    NSString *payload = [NSString stringWithFormat:@"%@%@%@%ld%ld",
+                         KAppId, userId, callId, signTime, exprTime];
+
+    // HMAC-SHA256 计算
+    const char *cKey  = [KSecret cStringUsingEncoding:NSUTF8StringEncoding];
+    const char *cData = [payload cStringUsingEncoding:NSUTF8StringEncoding];
+
+    unsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];
+    CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);
+
+    // 转 hex 字符串
+    NSMutableString *sign = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
+    for (int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++) {
+        [sign appendFormat:@"%02x", cHMAC[i]];
+    }
+
+    // 拼接最终 Token
+    NSString *token = [NSString stringWithFormat:
+                       @"appid=%@&userid=%@&callid=%@&signtime=%ld&exprtime=%ld&sign=%@",
+                       KAppId, userId, callId, signTime, exprTime, sign];
+
+    return token;
+}
+
+@end