atem-connection
Version:
Typescript Node.js library for connecting with an ATEM switcher.
45 lines • 1.94 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TransitionPositionUpdateCommand = exports.TransitionPositionCommand = void 0;
const CommandBase_1 = require("../../CommandBase");
const state_1 = require("../../../state");
class TransitionPositionCommand extends CommandBase_1.BasicWritableCommand {
constructor(mixEffect, handlePosition) {
super({ handlePosition });
this.mixEffect = mixEffect;
}
serialize() {
const buffer = Buffer.alloc(4);
buffer.writeUInt8(this.mixEffect, 0);
buffer.writeUInt16BE(this.properties.handlePosition, 2);
return buffer;
}
}
exports.TransitionPositionCommand = TransitionPositionCommand;
TransitionPositionCommand.rawName = 'CTPs';
class TransitionPositionUpdateCommand extends CommandBase_1.DeserializedCommand {
constructor(mixEffect, properties) {
super(properties);
this.mixEffect = mixEffect;
}
static deserialize(rawCommand) {
const mixEffect = rawCommand.readUInt8(0);
const properties = {
inTransition: rawCommand.readUInt8(1) === 1,
remainingFrames: rawCommand.readUInt8(2),
handlePosition: rawCommand.readUInt16BE(4),
};
return new TransitionPositionUpdateCommand(mixEffect, properties);
}
applyToState(state) {
if (!state.info.capabilities || this.mixEffect >= state.info.capabilities.mixEffects) {
throw new state_1.InvalidIdError('MixEffect', this.mixEffect);
}
const mixEffect = state_1.AtemStateUtil.getMixEffect(state, this.mixEffect);
mixEffect.transitionPosition = this.properties;
return `video.mixEffects.${this.mixEffect}.transitionPosition`;
}
}
exports.TransitionPositionUpdateCommand = TransitionPositionUpdateCommand;
TransitionPositionUpdateCommand.rawName = 'TrPs';
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