ios - Merging two recorded videos gives opposite orientation output -


i trying merge 2 recorded videos code:

func exportvideo3() {      transprentview.hidden = false     activityindicator.startanimating()     let composition = avmutablecomposition()     let trackvideo = composition.addmutabletrackwithmediatype(avmediatypevideo, preferredtrackid: cmpersistenttrackid())     let trackaudio = composition.addmutabletrackwithmediatype(avmediatypeaudio, preferredtrackid: cmpersistenttrackid())     var inserttime = kcmtimezero     let path = nsfilemanager.defaultmanager().urlfordirectory(.documentdirectory, indomain: .userdomainmask, appropriateforurl: nil, create: false, error: nil)!.path!     index in 1...2 {         let movieurl = index == 1 ? video1url : video2url         let sourceasset = avurlasset(url: movieurl, options: nil)          let tracks = sourceasset.trackswithmediatype(avmediatypevideo)         let audios = sourceasset.trackswithmediatype(avmediatypeaudio)          if tracks.count > 0{             let assettrack:avassettrack = tracks[0] as! avassettrack             trackvideo.inserttimerange(cmtimerangemake(kcmtimezero,sourceasset.duration), oftrack: assettrack, attime: inserttime, error: nil)             let assettrackaudio:avassettrack = audios[0] as! avassettrack             trackaudio.inserttimerange(cmtimerangemake(kcmtimezero,sourceasset.duration), oftrack: assettrackaudio, attime: inserttime, error: nil)             inserttime = cmtimeadd(inserttime, sourceasset.duration)         }     }      let exporter = avassetexportsession(asset: composition, presetname: avassetexportpresethighestquality)     exporter.outputurl = documentsdirectoryurl.urlbyappendingpathcomponent("mergedmovie.mp4")     if nsfilemanager.defaultmanager().fileexistsatpath(exporter.outputurl.path!) {         nsfilemanager.defaultmanager().removeitematurl(exporter.outputurl, error: nil)     }      mergedvideourl = exporter.outputurl     exporter.outputfiletype = avfiletypempeg4     exporter.exportasynchronouslywithcompletionhandler({         switch exporter.status{         case  avassetexportsessionstatus.failed:             println("failed \(exporter.error)")         case avassetexportsessionstatus.cancelled:             println("cancelled \(exporter.error)")         default:             self.transprentview.hidden = true             self.activityindicator.stopanimating()             println("complete")         }     }) }

it working fine new video have opposite orientation. i.e when recored both video in portrait , merge new video plays in landscape mode , when record both in landscape , merge new video plays in portrait mode.

so how can solve issue when record video in landscape mode want output in landscape mode , same portrait.

here sample project more reference.


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