添加字幕filter

BFRecordScreenKit/Classes/BFRecordExport.swift

@@ -134,10 +134,21 @@ public class BFRecordExport {
         if voiceList.count > 0 || videoStickers.count > 1 {
 
             let (audioMix, composition) = mergeAudio(videoStickers: videoStickers, audios: voiceList,synthesisAll:synthesisAll)
-            
-            let filter = videoStickers.map { sticker in
+//
+            let filters = videoStickers.map { sticker in
                 PQMovieFilter(movieSticker: sticker)
             }
+            //add by ak 如果有字幕创建字幕 filter
+//            var filters:[PQBaseFilter] = Array.init()
+//            for sticker in videoStickers {
+//                filters.append( PQMovieFilter(movieSticker: sticker))
+//            }
+
+//            if(itemModel.titleStickers.count > 0){
+//                let subTitleFilter = PQSubTitleFilter(st: itemModel.titleStickers, isBig:false, inputSize: getVideoSize(asset:  data!.first!.baseMaterial!))
+//                filters.append(subTitleFilter)
+//            }
+//
             // 有
 //            if let completURL = audioUrl {
 //                let inputAsset = AVURLAsset(url: completURL, options: avAssertOptions)
@@ -151,7 +162,7 @@ public class BFRecordExport {
 //                    exporter = PQCompositionExporter(asset: inputAsset, videoComposition: nil, audioMix: nil, filters: filter, animationTool: nil, exportURL: outPutMP4URL)
 //                }
 //            }
-            exporter = PQCompositionExporter(asset: composition, videoComposition: nil, audioMix: audioMix, filters: filter, animationTool: nil, exportURL: outPutMP4URL)
+            exporter = PQCompositionExporter(asset: composition, videoComposition: nil, audioMix: audioMix, filters: filters, animationTool: nil, exportURL: outPutMP4URL)
             
             let asset = data?.first?.baseMaterial