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Monthly Downloads: 0
Programming language: Swift
License: MIT License
Tags: Video    
Latest version: v0.4.5

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README

NextLevelSessionExporter 🔄

NextLevelSessionExporter is an export and transcode media library for iOS written in Swift.

Build Status Pod Version Swift Version GitHub license

The library provides customizable audio and video encoding options unlike AVAssetExportSession and without having to learn the intricacies of AVFoundation. It was a port of SDAVAssetExportSession with inspiration from SCAssetExportSession – which are great obj-c alternatives.

  • Looking for a capture library? Check out NextLevel.
  • Looking for a video player? Check out Player

Need a different version of Swift?

  • 5.0 - Target your Podfile to the latest release or master
  • 4.2 - Target your Podfile to the swift4.2 branch
  • 4.0 - Target your Podfile to the swift4.0 branch

Quick Start


# CocoaPods

pod "NextLevelSessionExporter", "~> 0.4.5"

# Carthage

github "nextlevel/NextLevelSessionExporter" ~> 0.4.5

# Swift PM

let package = Package(
    dependencies: [
        .Package(url: "https://github.com/nextlevel/NextLevelSessionExporter", majorVersion: 0)
    ]
)

Alternatively, drop the source files into your Xcode project.

Example

Simply use the AVAsset extension or create and use an instance of NextLevelSessionExporter directly.

let tmpURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
    .appendingPathComponent(ProcessInfo().globallyUniqueString)
    .appendingPathExtension("mp4")
exporter.outputURL = tmpURL

let compressionDict: [String: Any] = [
    AVVideoAverageBitRateKey: NSNumber(integerLiteral: 6000000),
    AVVideoProfileLevelKey: AVVideoProfileLevelH264HighAutoLevel as String,
]
let videoOutputConfig = [
    AVVideoCodecKey: AVVideoCodec.h264,
    AVVideoWidthKey: NSNumber(integerLiteral: 1920),
    AVVideoHeightKey: NSNumber(integerLiteral: 1080),
    AVVideoScalingModeKey: AVVideoScalingModeResizeAspectFill,
    AVVideoCompressionPropertiesKey: compressionDict
]
let audioOutputConfig = [
    AVFormatIDKey: kAudioFormatMPEG4AAC,
    AVEncoderBitRateKey: NSNumber(integerLiteral: 128000),
    AVNumberOfChannelsKey: NSNumber(integerLiteral: 2),
    AVSampleRateKey: NSNumber(value: Float(44100))
]

let asset = AVAsset(url: Bundle.main.url(forResource: "TestVideo", withExtension: "mov")!)
asset.nextlevel_export(outputURL: tmpURL, videoOutputConfiguration: videoOutputConfig, audioOutputConfiguration: audioOutputConfig)

Alternatively, you can use NextLevelSessionExporter directly.

let exporter = NextLevelSessionExporter(withAsset: asset)
exporter.outputFileType = AVFileType.mp4
let tmpURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
    .appendingPathComponent(ProcessInfo().globallyUniqueString)
    .appendingPathExtension("mp4")
exporter.outputURL = tmpURL

let compressionDict: [String: Any] = [
    AVVideoAverageBitRateKey: NSNumber(integerLiteral: 6000000),
    AVVideoProfileLevelKey: AVVideoProfileLevelH264HighAutoLevel as String,
]
exporter.videoOutputConfiguration = [
    AVVideoCodecKey: AVVideoCodec.h264,
    AVVideoWidthKey: NSNumber(integerLiteral: 1920),
    AVVideoHeightKey: NSNumber(integerLiteral: 1080),
    AVVideoScalingModeKey: AVVideoScalingModeResizeAspectFill,
    AVVideoCompressionPropertiesKey: compressionDict
]
exporter.audioOutputConfiguration = [
    AVFormatIDKey: kAudioFormatMPEG4AAC,
    AVEncoderBitRateKey: NSNumber(integerLiteral: 128000),
    AVNumberOfChannelsKey: NSNumber(integerLiteral: 2),
    AVSampleRateKey: NSNumber(value: Float(44100))
]

exporter.export(progressHandler: { (progress) in
    print(progress)
}, completionHandler: { result in
    switch result {
    case .success(let status):
        switch status {
        case .completed:
            print("NextLevelSessionExporter, export completed, \(exporter.outputURL?.description ?? "")")
            break
        default:
            print("NextLevelSessionExporter, did not complete")
            break
        }
        break
    case .failure(let error):
        print("NextLevelSessionExporter, failed to export \(error)")
        break
    }
})

Documentation

You can find the docs here. Documentation is generated with jazzy and hosted on GitHub-Pages.

Community

Resources

License

NextLevelSessionExporter is available under the MIT license, see the LICENSE file for more information.


*Note that all licence references and agreements mentioned in the NextLevelSessionExporter README section above are relevant to that project's source code only.