90 lines
1.7 KiB
TypeScript
90 lines
1.7 KiB
TypeScript
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import { getterTree, mutationTree, actionTree } from 'typed-vuex'
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export const namespaced = true
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export const state = () => ({
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index: -1,
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streams: [] as MediaStream[],
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width: 1280,
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height: 720,
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volume: 0,
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playing: false,
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})
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export const getters = getterTree(state, {
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stream: state => state.streams[state.index],
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resolution: state => ({ w: state.width, h: state.height }),
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aspect: state => {
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const { width, height } = state
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if ((height == 0 && width == 0) || (height == 0 && width != 0) || (height != 0 && width == 0)) {
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return null
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}
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if (height == width) {
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return {
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horizontal: 1,
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vertical: 1,
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}
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}
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let dividend = width
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let divisor = height
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let gcd = -1
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if (height > width) {
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dividend = height
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divisor = width
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}
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while (gcd == -1) {
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const remainder = dividend % divisor
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if (remainder == 0) {
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gcd = divisor
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} else {
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dividend = divisor
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divisor = remainder
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}
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}
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return {
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horizontal: width / gcd,
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vertical: height / gcd,
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}
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},
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})
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export const mutations = mutationTree(state, {
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setResolution(state, { width, height }: { width: number; height: number }) {
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state.width = width
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state.height = height
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},
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setVolume(state, volume: number) {
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state.volume = volume
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},
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setStream(state, index: number) {
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state.index = index
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},
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addStream(state, stream: MediaStream) {
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state.streams = state.streams.concat([stream])
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},
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delStream(state, index: number) {
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state.streams = state.streams.filter((_, i) => i !== index)
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},
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clearStream(state) {
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state.streams = []
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},
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})
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export const actions = actionTree(
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{ state, getters, mutations },
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{
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//
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},
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)
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