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const VideoAttachment = {
props: ['attachment', 'controls'],
data () {
return {
blocksSuspend: false,
// Start from true because removing "loop" property seems buggy in Vue
hasAudio: true
}
},
computed: {
loopVideo () {
if (this.$store.getters.mergedConfig.loopVideoSilentOnly) {
return !this.hasAudio
}
return this.$store.getters.mergedConfig.loopVideo
}
},
methods: {
onPlaying (e) {
this.setHasAudio(e)
if (this.loopVideo) {
this.$emit('play', { looping: true })
return
}
this.$emit('play')
},
onPaused (e) {
this.$emit('pause')
},
setHasAudio (e) {
const target = e.srcElement || e.target
// If hasAudio is false, we've already marked this video to not have audio,
// a video can't gain audio out of nowhere so don't bother checking again.
if (!this.hasAudio) return
if (typeof target.webkitAudioDecodedByteCount !== 'undefined') {
// non-zero if video has audio track
if (target.webkitAudioDecodedByteCount > 0) return
}
if (typeof target.mozHasAudio !== 'undefined') {
// true if video has audio track
if (target.mozHasAudio) return
}
if (typeof target.audioTracks !== 'undefined') {
if (target.audioTracks.length > 0) return
}
this.hasAudio = false
}
}
}
export default VideoAttachment
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