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lf.swift

lf is a lIVE fRAMEWORK. Camera and Microphone streaming library via RTMP, HLS for iOS, OSX.

Install

CocoaPods

source 'https://github.com/CocoaPods/Specs.git'
use_frameworks!

def import_pods
    pod 'lf', '~> 0.3.0'
end

target 'Your Target'  do
    platform :ios, '8.0'
    import_pods
end

RTMP Usage

Real Time Messaging Protocol (RTMP).

var rtmpConnection:RTMPConnection = RTMPConnection()
var rtmpStream = RTMPStream(rtmpConnection: rtmpConnection)
rtmpStream.view.videoGravity = AVLayerVideoGravityResizeAspectFill
rtmpStream.attachAudio(AVCaptureDevice.defaultDeviceWithMediaType(AVMediaTypeAudio))
rtmpStream.attachCamera(AVMixer.deviceWithPosition(.Back))

view.addSubview(rtmpStream.view)
rtmpConnection.connect("rtmp://localhost/appName/instanceName")
rtmpStream.publish("streamName")

Settings

var rtmpStream = RTMPStream(rtmpConnection: rtmpConnection)
rtmpStream.captureSettings = [
    "fps": 30, // FPS
    "sessionPreset": AVCaptureSessionPresetMedium, // input video width/height
    "continuousAutofocus": false, // use camera autofocus mode
    "continuousExposure": false, //  use camera exposure mode
]
rtmpStream.audioSettings = [
    "muted": false, // mute audio
    "bitrate": 32 * 1024,
]
rtmpStream.videoSettings = [
    "width": 640, // video output width
    "height": 360, // video output height
    "bitrate": 160 * 1024, // video output bitrate
    "profileLevel": kVTProfileLevel_H264_Baseline_3_1, // H264 Profile require "import VideoToolbox"
    "maxKeyFrameIntervalDuration": 2, // key frame / sec
]

RTMP Auth

var rtmpConnection:RTMPConnection = RTMPConnection()
rtmpConnection.connect("rtmp://username:password@localhost/appName/instanceName")

HTTP Usage

HTTP Live Streaming (HLS). Your iPhone/Mac become a IP Camera. Basic snipet. You can see http://ip.address:8080/hello/playlist.m3u8

httpStream = HTTPStream()

httpStream.attachCamera(AVMixer.deviceWithPosition(.Back))
rtmpStream.attachAudio(AVCaptureDevice.defaultDeviceWithMediaType(AVMediaTypeAudio))

httpStream.publish("hello")

httpService = HTTPService(domain: "", type: "_http._tcp", name: "lf", port: 8080)
httpService.startRunning()
httpService.addHTTPStream(httpStream)

view.addSubview(httpStream.view)

License

New BSD

Enviroment

lf iOS OSX Swift CocoaPods
0.3 8.0 10.11 2.3 1.0.0
0.2 8.0 - 2.3 0.39.0

Reference