382 lines
9.5 KiB
Go
382 lines
9.5 KiB
Go
package plugin
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import (
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"errors"
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"seanime/internal/api/anilist"
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"seanime/internal/extension"
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"seanime/internal/library/playbackmanager"
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"seanime/internal/mediaplayers/mediaplayer"
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"seanime/internal/mediaplayers/mpv"
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"seanime/internal/mediaplayers/mpvipc"
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goja_util "seanime/internal/util/goja"
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"github.com/dop251/goja"
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"github.com/google/uuid"
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"github.com/rs/zerolog"
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)
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type Playback struct {
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ctx *AppContextImpl
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vm *goja.Runtime
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logger *zerolog.Logger
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ext *extension.Extension
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scheduler *goja_util.Scheduler
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}
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type PlaybackMPV struct {
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mpv *mpv.Mpv
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playback *Playback
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}
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func (a *AppContextImpl) BindPlaybackToContextObj(vm *goja.Runtime, obj *goja.Object, logger *zerolog.Logger, ext *extension.Extension, scheduler *goja_util.Scheduler) {
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p := &Playback{
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ctx: a,
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vm: vm,
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logger: logger,
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ext: ext,
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scheduler: scheduler,
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}
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playbackObj := vm.NewObject()
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_ = playbackObj.Set("playUsingMediaPlayer", p.playUsingMediaPlayer)
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_ = playbackObj.Set("streamUsingMediaPlayer", p.streamUsingMediaPlayer)
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_ = playbackObj.Set("registerEventListener", p.registerEventListener)
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_ = playbackObj.Set("pause", p.pause)
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_ = playbackObj.Set("resume", p.resume)
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_ = playbackObj.Set("seek", p.seek)
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_ = playbackObj.Set("cancel", p.cancel)
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_ = playbackObj.Set("getNextEpisode", p.getNextEpisode)
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_ = playbackObj.Set("playNextEpisode", p.playNextEpisode)
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_ = obj.Set("playback", playbackObj)
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// MPV
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mpvObj := vm.NewObject()
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mpv := mpv.New(logger, "", "")
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playbackMPV := &PlaybackMPV{
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mpv: mpv,
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playback: p,
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}
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_ = mpvObj.Set("openAndPlay", playbackMPV.openAndPlay)
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_ = mpvObj.Set("onEvent", playbackMPV.onEvent)
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_ = mpvObj.Set("getConnection", playbackMPV.getConnection)
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_ = mpvObj.Set("stop", playbackMPV.stop)
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_ = obj.Set("mpv", mpvObj)
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}
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type PlaybackEvent struct {
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IsVideoStarted bool `json:"isVideoStarted"`
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IsVideoStopped bool `json:"isVideoStopped"`
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IsVideoCompleted bool `json:"isVideoCompleted"`
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IsStreamStarted bool `json:"isStreamStarted"`
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IsStreamStopped bool `json:"isStreamStopped"`
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IsStreamCompleted bool `json:"isStreamCompleted"`
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StartedEvent *struct {
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Filename string `json:"filename"`
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} `json:"startedEvent"`
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StoppedEvent *struct {
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Reason string `json:"reason"`
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} `json:"stoppedEvent"`
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CompletedEvent *struct {
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Filename string `json:"filename"`
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} `json:"completedEvent"`
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State *playbackmanager.PlaybackState `json:"state"`
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Status *mediaplayer.PlaybackStatus `json:"status"`
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}
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// playUsingMediaPlayer starts playback of a local file using the media player specified in the settings.
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func (p *Playback) playUsingMediaPlayer(payload string) error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.StartPlayingUsingMediaPlayer(&playbackmanager.StartPlayingOptions{
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Payload: payload,
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})
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}
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// streamUsingMediaPlayer starts streaming a video using the media player specified in the settings.
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func (p *Playback) streamUsingMediaPlayer(windowTitle string, payload string, media *anilist.BaseAnime, aniDbEpisode string) error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.StartStreamingUsingMediaPlayer(windowTitle, &playbackmanager.StartPlayingOptions{
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Payload: payload,
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}, media, aniDbEpisode)
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}
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////////////////////////////////////
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// MPV
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////////////////////////////////////
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func (p *PlaybackMPV) openAndPlay(filePath string) goja.Value {
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promise, resolve, reject := p.playback.vm.NewPromise()
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go func() {
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err := p.mpv.OpenAndPlay(filePath)
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p.playback.scheduler.ScheduleAsync(func() error {
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if err != nil {
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jsErr := p.playback.vm.NewGoError(err)
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reject(jsErr)
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} else {
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resolve(nil)
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}
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return nil
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})
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}()
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return p.playback.vm.ToValue(promise)
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}
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func (p *PlaybackMPV) onEvent(callback func(event *mpvipc.Event, closed bool)) (func(), error) {
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id := p.playback.ext.ID + "_mpv"
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sub := p.mpv.Subscribe(id)
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go func() {
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for event := range sub.Events() {
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p.playback.scheduler.ScheduleAsync(func() error {
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callback(event, false)
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return nil
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})
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}
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}()
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go func() {
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for range sub.Closed() {
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p.playback.scheduler.ScheduleAsync(func() error {
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callback(nil, true)
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return nil
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})
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}
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}()
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cancelFn := func() {
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p.mpv.Unsubscribe(id)
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}
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return cancelFn, nil
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}
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func (p *PlaybackMPV) stop() goja.Value {
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promise, resolve, _ := p.playback.vm.NewPromise()
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go func() {
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p.mpv.CloseAll()
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p.playback.scheduler.ScheduleAsync(func() error {
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resolve(goja.Undefined())
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return nil
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})
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}()
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return p.playback.vm.ToValue(promise)
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}
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func (p *PlaybackMPV) getConnection() goja.Value {
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conn, err := p.mpv.GetOpenConnection()
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if err != nil {
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return goja.Undefined()
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}
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return p.playback.vm.ToValue(conn)
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}
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// registerEventListener registers a subscriber for playback events.
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//
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// Example:
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// $playback.registerEventListener("mySubscriber", (event) => {
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// console.log(event)
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// });
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func (p *Playback) registerEventListener(callback func(event *PlaybackEvent)) (func(), error) {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return nil, errors.New("playback manager not found")
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}
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id := uuid.New().String()
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subscriber := playbackManager.SubscribeToPlaybackStatus(id)
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go func() {
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for event := range subscriber.EventCh {
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switch e := event.(type) {
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case playbackmanager.PlaybackStatusChangedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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Status: &e.Status,
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State: &e.State,
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})
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return nil
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})
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case playbackmanager.VideoStartedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsVideoStarted: true,
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StartedEvent: &struct {
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Filename string `json:"filename"`
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}{
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Filename: e.Filename,
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},
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})
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return nil
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})
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case playbackmanager.VideoStoppedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsVideoStopped: true,
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StoppedEvent: &struct {
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Reason string `json:"reason"`
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}{
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Reason: e.Reason,
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},
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})
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return nil
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})
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case playbackmanager.VideoCompletedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsVideoCompleted: true,
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CompletedEvent: &struct {
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Filename string `json:"filename"`
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}{
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Filename: e.Filename,
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},
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})
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return nil
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})
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case playbackmanager.StreamStateChangedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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State: &e.State,
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})
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return nil
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})
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case playbackmanager.StreamStatusChangedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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Status: &e.Status,
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})
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return nil
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})
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case playbackmanager.StreamStartedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsStreamStarted: true,
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StartedEvent: &struct {
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Filename string `json:"filename"`
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}{
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Filename: e.Filename,
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},
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})
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return nil
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})
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case playbackmanager.StreamStoppedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsStreamStopped: true,
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StoppedEvent: &struct {
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Reason string `json:"reason"`
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}{
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Reason: e.Reason,
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},
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})
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return nil
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})
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case playbackmanager.StreamCompletedEvent:
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p.scheduler.ScheduleAsync(func() error {
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callback(&PlaybackEvent{
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IsStreamCompleted: true,
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CompletedEvent: &struct {
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Filename string `json:"filename"`
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}{
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Filename: e.Filename,
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},
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})
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return nil
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})
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}
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}
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}()
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cancelFn := func() {
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playbackManager.UnsubscribeFromPlaybackStatus(id)
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}
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return cancelFn, nil
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}
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func (p *Playback) pause() error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.Pause()
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}
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func (p *Playback) resume() error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.Resume()
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}
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func (p *Playback) seek(seconds float64) error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.Seek(seconds)
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}
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func (p *Playback) cancel() error {
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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return errors.New("playback manager not found")
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}
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return playbackManager.Cancel()
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}
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func (p *Playback) getNextEpisode() goja.Value {
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promise, resolve, reject := p.vm.NewPromise()
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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reject(p.vm.NewGoError(errors.New("playback manager not found")))
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return p.vm.ToValue(promise)
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}
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go func() {
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nextEpisode := playbackManager.GetNextEpisode()
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p.scheduler.ScheduleAsync(func() error {
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resolve(p.vm.ToValue(nextEpisode))
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return nil
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})
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}()
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return p.vm.ToValue(promise)
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}
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func (p *Playback) playNextEpisode() goja.Value {
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promise, resolve, reject := p.vm.NewPromise()
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playbackManager, ok := p.ctx.PlaybackManager().Get()
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if !ok {
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reject(p.vm.NewGoError(errors.New("playback manager not found")))
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return p.vm.ToValue(promise)
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}
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go func() {
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err := playbackManager.PlayNextEpisode()
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p.scheduler.ScheduleAsync(func() error {
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if err != nil {
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reject(p.vm.NewGoError(err))
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} else {
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resolve(goja.Undefined())
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}
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return nil
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})
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}()
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return p.vm.ToValue(promise)
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}
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