合成时音量区分合成

BFRecordScreenKit/Classes/BFRecordExport.swift

@@ -15,7 +15,10 @@ import Photos
 public class BFRecordExport {
     public var progress: ((Float) -> Void)?
     public var exportCompletion: ((Error?, URL?) -> Void)?
-
+    
+    public var originSoundVolumn : Float = 1.0            // 无录音时原声大小
+    public var originSoundInRecordVolumn : Float = 0.0    // 录音时原声大小
+    
     public var data: [BFRecordItemModel]? {
         didSet {
             if data?.count ?? 0 > 0 {
@@ -59,11 +62,14 @@ public class BFRecordExport {
                     var subDur = 0.0
                     let drangs = itemModel.dealedDurationRanges
                     for srange in drangs {
-                        let range = srange.range
-                        let sticker = splitBaseMaterial(timelineIn: totalDur + subDur, model_in: range.start.seconds, duration: range.duration.seconds)
-                        sticker.volumeGain = srange.isRecord ? 0 : 100
-                        itemModel.videoStickers.append(sticker)
-                        subDur += range.duration.seconds
+                        if let localPath = itemModel.localPath {
+                            let range = srange.range
+                            let sticker = splitBaseMaterial(timelineIn: totalDur + subDur, model_in: range.start.seconds, duration: range.duration.seconds)
+                            sticker.locationPath = localPath
+                            sticker.volumeGain = Float64(srange.isRecord ? originSoundInRecordVolumn*100 : originSoundVolumn*100)
+                            itemModel.videoStickers.append(sticker)
+                            subDur += range.duration.seconds
+                        }
                     }
                     totalDur += subDur
                 } else {
@@ -84,7 +90,7 @@ public class BFRecordExport {
                             let range = srange.range
                             let sticker = splitBaseMaterial(timelineIn: totalDur + subDur, model_in: range.start.seconds, duration: range.duration.seconds)
                             sticker.locationPath = localPath 
-                            sticker.volumeGain = 0
+                            sticker.volumeGain = Float64(srange.isRecord ? originSoundInRecordVolumn*100 : originSoundVolumn*100)
                             itemModel.videoStickers.append(sticker)
                             subDur += range.duration.seconds
                         }
@@ -123,6 +129,7 @@ public class BFRecordExport {
         return URL(fileURLWithPath: outPutMP4Path)
     }
 
+    // 切割素材
     func splitBaseMaterial(timelineIn: Double, model_in: Double, duration: Double) -> PQEditVisionTrackMaterialsModel {
         let bgMovieInfo: PQEditVisionTrackMaterialsModel = PQEditVisionTrackMaterialsModel()
         bgMovieInfo.type = StickerType.VIDEO.rawValue

BFRecordScreenKit/Classes/RecordScreen/Controller/BFRecordScreenController.swift

@@ -92,8 +92,8 @@ public class BFRecordScreenController: BFBaseViewController {
                                          AVEncoderBitDepthHintKey: 16, // 位深
                                          AVEncoderAudioQualityKey: AVAudioQuality.medium.rawValue] // 音频质量
 
-    var haveSpeakVolume : Float = 0
-    var noSpeakVolume : Float = 1
+    public var haveSpeakVolume : Float = 0.0
+    public var noSpeakVolume : Float = 1.0
     
     lazy var recorderManager : BFVoiceRecordManager = {
         let manager = BFVoiceRecordManager()