- (void) setPasterList:(NSArray *)pasterList;

// TXPaster 的参数如下：
@interface TXPaster: NSObject
@property (nonatomic, strong) UIImage*              pasterImage;    //贴纸图片
@property (nonatomic, assign) CGRect                frame;          //贴纸 frame（注意这里的 frame 坐标是相对于渲染 view 的坐标）
@property (nonatomic, assign) CGFloat               startTime;      //贴纸起始时间(s)
@property (nonatomic, assign) CGFloat               endTime;        //贴纸结束时间(s)
@end


- (void) setAnimatedPasterList:(NSArray *)animatedPasterList;

// TXAnimatedPaster 的参数如下：
@interface TXAnimatedPaster: NSObject
@property (nonatomic, strong) NSString*             animatedPasterpath;  //动图文件路径
@property (nonatomic, assign) CGRect                frame;          //动图的 frame（注意这里的 frame 坐标是相对于渲染 view 的坐标）
@property (nonatomic, assign) CGFloat               rotateAngle;    //动图旋转角度 (0 ~ 360)
@property (nonatomic, assign) CGFloat               startTime;      //动图起始时间(s)
@property (nonatomic, assign) CGFloat               endTime;        //动图结束时间(s)
@end


- (void)setVideoPasters:(NSArray*)videoPasterInfos
{
    NSMutableArray* animatePasters = [NSMutableArray new];
    NSMutableArray* staticPasters = [NSMutableArray new];
    for (VideoPasterInfo* pasterInfo in videoPasterInfos) {
        if (pasterInfo.pasterInfoType == PasterInfoType_Animate) {
            TXAnimatedPaster* paster = [TXAnimatedPaster new];
            paster.startTime = pasterInfo.startTime;
            paster.endTime = pasterInfo.endTime;
            paster.frame = [pasterInfo.pasterView pasterFrameOnView:_videoPreview];
            paster.rotateAngle = pasterInfo.pasterView.rotateAngle * 180 / M_PI;
            paster.animatedPasterpath = pasterInfo.path;
            [animatePasters addObject:paster];
        }
        else if (pasterInfo.pasterInfoType == PasterInfoType_static){
            TXPaster *paster = [TXPaster new];
            paster.startTime = pasterInfo.startTime;
            paster.endTime = pasterInfo.endTime;
            paster.frame = [pasterInfo.pasterView pasterFrameOnView:_videoPreview];
            paster.pasterImage = pasterInfo.pasterView.staticImage;
            [staticPasters addObject:paster];
        }
    }
    [_ugcEditer setAnimatedPasterList:animatePasters];
    [_ugcEditer setPasterList:staticPasters];
}

- (void) setSubtitleList:(NSArray *)subtitleList;

TXSubtitle 的参数如下：
@interface TXSubtitle: NSObject
@property (nonatomic, strong) UIImage*              titleImage;     //字幕图片   （这里需要客户把承载文字的控件转成 image 图片）
@property (nonatomic, assign) CGRect                frame;          //字幕的 frame（注意这里的 frame 坐标是相对于渲染 view 的坐标）
@property (nonatomic, assign) CGFloat               startTime;      //字幕起始时间(s)
@property (nonatomic, assign) CGFloat               endTime;        //字幕结束时间(s)
@end


@interface VideoTextInfo : NSObject
@property (nonatomic, strong) VideoTextFiled* textField;
@property (nonatomic, assign) CGFloat startTime; //in seconds
@property (nonatomic, assign) CGFloat endTime;
@end

videoTextInfos = @[VideoTextInfo1, VideoTextInfo2 ...];

 for (VideoTextInfo* textInfo in videoTextInfos) {
        TXSubtitle* subtitle = [TXSubtitle new];
        subtitle.titleImage = textInfo.textField.textImage;  //UILabel（UIView） -> UIImage
        subtitle.frame = [textInfo.textField textFrameOnView:_videoPreview]; //计算相对于渲染 view 的坐标
        subtitle.startTime = textInfo.startTime;  //字幕起始时间
        subtitle.endTime = textInfo.endTime;      //字幕结束时间
        [subtitles addObject:subtitle];           //添加字幕列表
  }    

 [_ugcEditer setSubtitleList:subtitles];          //设置字幕列表