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Media Overlay: add volume setting

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John Factotum
2023-10-08 10:16:33 +08:00
parent f0aa16113f
commit 7a31359cd4
1 changed files with 6 additions and 0 deletions
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epub.js
+6
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@@ -272,6 +272,7 @@ class MediaOverlay extends EventTarget {
#audioIndex #audioIndex
#itemIndex #itemIndex
#audio #audio
#volume = 1
#rate = 1 #rate = 1
constructor(book, loadXML) { constructor(book, loadXML) {
super() super()
@@ -356,6 +357,7 @@ class MediaOverlay extends EventTarget {
}) })
audio.addEventListener('canplaythrough', () => { audio.addEventListener('canplaythrough', () => {
audio.currentTime = this.#activeItem.begin ?? 0 audio.currentTime = this.#activeItem.begin ?? 0
audio.volume = this.#volume
audio.playbackRate = this.#rate audio.playbackRate = this.#rate
audio.play().catch(e => this.#error(e)) audio.play().catch(e => this.#error(e))
}) })
@@ -395,6 +397,10 @@ class MediaOverlay extends EventTarget {
next() { next() {
this.#play(this.#audioIndex, this.#itemIndex + 1) this.#play(this.#audioIndex, this.#itemIndex + 1)
} }
setVolume(volume) {
this.#volume = volume
if (this.#audio) this.#audio.volume = volume
}
setRate(rate) { setRate(rate) {
this.#rate = rate this.#rate = rate
if (this.#audio) this.#audio.playbackRate = rate if (this.#audio) this.#audio.playbackRate = rate