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Timeline State Resolver

Abstract

This library orchestrates and controls different devices. Its input is a timeline data structure and a layer-to-device-map. Using the input, it resolves the expected state, diffs the state against current state and sends commands to devices where necessary.

Supported devices

  • CasparCG - using the casparcg-connection library
  • Blackmagic Design ATEM vision mixers - using the atem-connection library
  • Blackmagic Design Hyperdeck record/playback devices - using the hyperdeck-connection library
  • Lawo audio mixers - using the emberplus library
  • Panasoniz PTZ cameras
  • Pharos light control devices
  • Sisyfos audio controller
  • Quantel video server
  • vMix software vision mixer
  • VizRT MediaSequencer graphics system - using the v-connection library
  • Arbitrary OSC compatible devices
  • Arbitrary HTTP (REST) compatible devices
  • Arbitrary TCP-socket compatible devices

Development

TSR is primarily developed to be used in the Playout Gateway of the Sofie project.

When developing support for new devices, a helpful tool for quickly trying out new functionality is the Quick-TSR repo.

Installation instructions (for developers)

Prerequisites

Build and test

  • Build: yarn build

  • Run test & view coverage yarn cov

Examples of timeline objects

Here follows some examples of valid mappings and timeline-objects to control devices with TSR.

CasparCG

Playing a video

Play the video clip "AMB" for 5 seconds

// Mapping:
{
	myLayerCaspar: {
		device: DeviceType.CASPARCG,
		deviceId: 'myCCG',
		channel: 1,
		layer: 10
	}
}
// Timeline:
{
	id: 'video0',
	enable: {
		start: 'now',
		duration: 5000
	},
	layer: 'myLayerCaspar',
	content: {
		deviceType: DeviceType.CASPARCG,
		type: TimelineContentTypeCasparCg.MEDIA,

		file: 'AMB'
	}
}

Blackmagic Design ATEM

Cut to source

Cut to source 2 on ME1

// Mapping:
{
	myLayerME1: {
		device: DeviceType.ATEM,
		deviceId: 'myAtem',
		mappingType: MappingAtemType.MixEffect,
		index: 0
	}
}
// Timeline:
{
	id: 'source2',
	enable: {
		start: 'now'
	},
	layer: 'myLayerME1',
	content: {
		deviceType: DeviceType.ATEM,
		type: TimelineContentTypeAtem.ME,
		me: {
			input: 2,
			transition: AtemTransitionStyle.CUT
		}
	}
}

Blackmagic Design Hyperdeck

Record a clip

Start recording of a clip, and record it for 10 secods

// Mapping:
{
	myLayerRecord: {
		device: DeviceType.ATEM,
		deviceId: 'myHyperdeck',
		mappingType: MappingAtemType.MixEffect,
		index: 0
	}
}
// Timeline:
{
	id: 'record0',
	enable: {
		start: 'now',
		duration: 10000
	},
	layer: 'myLayerRecord',
	content: {
		deviceType: DeviceType.HYPERDECK,
		type: TimelineContentTypeHyperdeck.TRANSPORT,

		status: TransportStatus.RECORD,
		recordFilename: 'sofie_recording1'
	}
}

Lawo audio mixer

Pull up a fader

Pull up a fader, and leave it there

// Mapping:
{
	myLayerFader0: {
		device: DeviceType.LAWO,
		deviceId: 'myLawo',
		mappingType: MappingLawoType.SOURCE,
		identifier: 'BASE'
	}
}
// Timeline:
{
	id: 'lawofader0',
	enable: {
		start: 'now'
	},
	layer: 'myLayerFader0',
	content: {
		deviceType: DeviceType.LAWO,
		type: TimelineContentTypeLawo.SOURCE,

		faderValue: 0
	}
}

Panasoniz PTZ

Recall a preset

// Mapping:
{
	myLayerCamera1: {
		device: DeviceType.PANASONIC_PTZ,
		deviceId: 'myPtz',
		mappingType: MappingPanasonicPtzType.PRESET
	}
}
// Timeline:
{
	id: 'ptzPreset1',
	enable: {
		start: 'now'
	},
	layer: 'myLayerCamera1',
	content: {
		deviceType: DeviceType.PANASONIC_PTZ,
		type: TimelineContentTypePanasonicPtz.PRESET,
		preset: 1
	}
}

Pharos Light control

Recall a scene

// Mapping:
{
	myLayerLights: {
		device: DeviceType.PANASONIC_PTZ,
		deviceId: 'myPtz',
		mappingType: MappingPanasonicPtzType.PRESET
	}
}
// Timeline:
{
	id: 'scene1',
	enable: {
		start: 'now'
	},
	layer: 'myLayerLights',
	content: {
		deviceType: DeviceType.PHAROS,
		type: TimelineContentTypePharos.SCENE,

		scene: 1
	}
}

Sisyfos audio controller

Activate channel 3

Activate channel 3 on sisyfos pgm output

// Mapping:
{
	myLayerSisyfosScene1: {
		device: DeviceType.SISYFOS,
		deviceId: 'mySisyfos',
		channel: 3
	}
}
// Timeline:
//ON:
{
	id: 'channel3',
	enable: {
		start: 'now'
	},
	layer: 'myLayerSisyfosScene1',
	content: {
		deviceType: DeviceType.SISYFOS,
		type: TimelineContentTypeSisyfos.SISYFOS,

		isPgm: 1 // 0 = OFF, 1 = Pgm level, 2 = VoiceOver level
	}
}
//FADERLEVEL:
{
	id: 'channel3',
	enable: {
		start: 'now'
	},
	layer: 'myLayerSisyfosScene1',
	content: {
		deviceType: DeviceType.SISYFOS,
		type: TimelineContentTypeSisyfos.SISYFOS,

		faderLevel: 0.75
	}
}
//LABEL:
{
	id: 'channel3',
	enable: {
		start: 'now'
	},
	layer: 'myLayerSisyfosScene1',
	content: {
		deviceType: DeviceType.SISYFOS,
		type: TimelineContentTypeSisyfos.SISYFOS,
		label: 'SERVER B'
	}
}
//VISIBLE: (shows or hide a fader)
{
	id: 'channel3',
	enable: {
		start: 'now'
	},
	layer: 'myLayerSisyfosScene1',
	content: {
		deviceType: DeviceType.SISYFOS,
		type: TimelineContentTypeSisyfos.SISYFOS,
		visible: false // false: hide - true: show
	}
}

Quantel video server

Play a video

Play a video for 10 seconds

// Mapping:
{
	myLayerVideoA: {
		device: DeviceType.QUANTEL,
		deviceId: 'myQuantel',

		portId: 'sofie1',
		channelId: 2
	}
}
// Timeline:
{
	id: 'video0',
	enable: {
		start: 'now',
		duration: 10000
	},
	layer: 'myLayerVideoA',
	content: {
		deviceType: DeviceType.QUANTEL,

		title: 'myClipInQuantel'
		// guid: 'abcdef872832832a2b932c97d9b2eb9' // GUID works as well
	}
}

Arbitrary HTTP-interface

Send a POST request

Send a POST Request to a URL

// Mapping:
{
	myLayerHTTP: {
		device: DeviceType.HTTPSEND,
		deviceId: 'myHTTP'
	}
}
// Timeline:
{
	id: 'video0',
	enable: {
		start: 'now'
	},
	layer: 'myLayerHTTP',
	content: {
		deviceType: DeviceType.HTTPSEND,
		type: TimelineContentTypeHttp.POST,

		url: 'http://superfly.tv/api/report',
		params: {
			someRandomParameter: 42,
			anotherFineParameter: 43
		}
	}
}