Created
December 10, 2015 09:43
-
-
Save gonchar/8db96c40f65b3b7d007b to your computer and use it in GitHub Desktop.
assetwriter in swift
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // var videoWriter: AVAssetWriter = try! AVAssetWriter(URL: self.movieUrl, fileType: AVFileTypeQuickTimeMovie) | |
| // | |
| // var avAsset: AVAsset = AVURLAsset(URL: self.tempMovieURL!, options: nil) | |
| // | |
| // let compressionSettings = [ | |
| // //AVVideoMaxKeyFrameIntervalKey: 1, | |
| // AVVideoAverageBitRateKey: 10 * 1000000 | |
| // ] | |
| // | |
| // let outputSettings = [ | |
| // AVVideoCodecKey: AVVideoCodecH264, | |
| // AVVideoWidthKey: NSNumber(int: self.width), | |
| // AVVideoHeightKey: NSNumber(int: self.height), | |
| // AVVideoCompressionPropertiesKey: compressionSettings | |
| // ] | |
| // | |
| // var videoWriterInput: AVAssetWriterInput = AVAssetWriterInput(mediaType: AVMediaTypeVideo, outputSettings:outputSettings); | |
| // videoWriterInput.expectsMediaDataInRealTime = true | |
| // videoWriter.addInput(videoWriterInput) | |
| // | |
| // var reader: AVAssetReader = try! AVAssetReader(asset: avAsset); | |
| // | |
| // var videoTrack: AVAssetTrack = avAsset.tracksWithMediaType(AVMediaTypeVideo)[0] | |
| // videoWriterInput.transform = CGAffineTransform.init(a: 1, b: 0, c: 0, d: -1, tx: 0, ty: videoTrack.naturalSize.height) | |
| // | |
| // let videoOptions = [kCVPixelBufferPixelFormatTypeKey as String: NSNumber(unsignedInt: kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange)]; | |
| // let asset_reader_output: AVAssetReaderTrackOutput = AVAssetReaderTrackOutput(track: videoTrack, outputSettings: videoOptions) | |
| // reader.addOutput(asset_reader_output) | |
| // //audio setup | |
| // | |
| // var audioWriterInput: AVAssetWriterInput = AVAssetWriterInput(mediaType: AVMediaTypeAudio, outputSettings:nil); | |
| // | |
| // var audioReader: AVAssetReader = try! AVAssetReader(asset: avAsset); | |
| // var audioTrack: AVAssetTrack = avAsset.tracksWithMediaType(AVMediaTypeAudio)[0] | |
| // var readerOutput: AVAssetReaderOutput = AVAssetReaderTrackOutput(track: audioTrack, outputSettings: nil); | |
| // audioReader.addOutput(readerOutput) | |
| // audioWriterInput.expectsMediaDataInRealTime = false | |
| // videoWriter.addInput(audioWriterInput); | |
| // videoWriter.startWriting(); | |
| // videoWriter.startSessionAtSourceTime(kCMTimeZero) | |
| // reader.startReading(); | |
| // | |
| // | |
| // videoWriterInput.requestMediaDataWhenReadyOnQueue(dispatch_queue_create("assetAudioWriterQueue", nil), usingBlock: { () -> Void in | |
| // while videoWriterInput.readyForMoreMediaData { | |
| // var sampleBuffer: CMSampleBufferRef?; | |
| // | |
| // if reader.status == AVAssetReaderStatus.Reading{ | |
| // sampleBuffer = asset_reader_output.copyNextSampleBuffer(); | |
| // if sampleBuffer != nil { | |
| // let result: Bool = videoWriterInput.appendSampleBuffer(sampleBuffer!); | |
| // if !result { | |
| // reader.cancelReading() | |
| // } | |
| // } | |
| // } | |
| // else { | |
| // videoWriterInput.markAsFinished(); | |
| // switch reader.status { | |
| // case AVAssetReaderStatus.Reading: | |
| // break; | |
| // // the reader has more for other tracks, even if this one is done | |
| // | |
| // case AVAssetReaderStatus.Completed: | |
| // // your method for when the conversion is done | |
| // // should call finishWriting on the writer | |
| // //hook up audio track | |
| // audioReader.startReading() | |
| // videoWriter.startSessionAtSourceTime(kCMTimeZero) | |
| // var mediaInputQueue: dispatch_queue_t = dispatch_queue_create("mediaInputQueue", nil) | |
| // audioWriterInput.requestMediaDataWhenReadyOnQueue(mediaInputQueue, usingBlock: {() -> Void in | |
| // NSLog("Request") | |
| // NSLog("Asset Writer ready :%d", audioWriterInput.readyForMoreMediaData) | |
| // while audioWriterInput.readyForMoreMediaData { | |
| // var nextBuffer: CMSampleBufferRef?; | |
| // if audioReader.status == AVAssetReaderStatus.Reading { | |
| // NSLog("Ready") | |
| // nextBuffer = readerOutput.copyNextSampleBuffer() | |
| // if nextBuffer != nil { | |
| // NSLog("NextBuffer") | |
| // audioWriterInput.appendSampleBuffer(nextBuffer!) | |
| // } | |
| // } else { | |
| // audioWriterInput.markAsFinished() | |
| // switch audioReader.status { | |
| // case AVAssetReaderStatus.Completed: | |
| // videoWriter.finishWritingWithCompletionHandler({ () -> Void in | |
| // if(handler != nil) { | |
| // handler(status: status!); | |
| // } | |
| // }) | |
| // break; | |
| // default: | |
| // break; | |
| // } | |
| // } | |
| // } | |
| // }) | |
| // break; | |
| // case AVAssetReaderStatus.Failed: | |
| // videoWriter.cancelWriting() | |
| // break; | |
| // | |
| // default: | |
| // break; | |
| // } | |
| // } | |
| // } | |
| // | |
| // }) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment