mirror of https://github.com/stashapp/stash.git
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
package manager
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import (
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"sync"
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"github.com/stashapp/stash/pkg/ffmpeg"
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"github.com/stashapp/stash/pkg/logger"
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"github.com/stashapp/stash/pkg/models"
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"github.com/stashapp/stash/pkg/utils"
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)
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type GeneratePreviewTask struct {
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Scene models.Scene
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ImagePreview bool
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Options models.GeneratePreviewOptionsInput
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Overwrite bool
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fileNamingAlgorithm models.HashAlgorithm
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}
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func (t *GeneratePreviewTask) Start(wg *sync.WaitGroup) {
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defer wg.Done()
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videoFilename := t.videoFilename()
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imageFilename := t.imageFilename()
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if !t.Overwrite && !t.required() {
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return
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}
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videoFile, err := ffmpeg.NewVideoFile(instance.FFProbePath, t.Scene.Path)
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if err != nil {
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logger.Errorf("error reading video file: %s", err.Error())
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return
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}
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const generateVideo = true
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generator, err := NewPreviewGenerator(*videoFile, videoFilename, imageFilename, instance.Paths.Generated.Screenshots, generateVideo, t.ImagePreview, t.Options.PreviewPreset.String())
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if err != nil {
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logger.Errorf("error creating preview generator: %s", err.Error())
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return
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}
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generator.Overwrite = t.Overwrite
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// set the preview generation configuration from the global config
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generator.Info.ChunkCount = *t.Options.PreviewSegments
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generator.Info.ChunkDuration = *t.Options.PreviewSegmentDuration
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generator.Info.ExcludeStart = *t.Options.PreviewExcludeStart
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generator.Info.ExcludeEnd = *t.Options.PreviewExcludeEnd
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if err := generator.Generate(); err != nil {
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logger.Errorf("error generating preview: %s", err.Error())
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return
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}
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}
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func (t GeneratePreviewTask) required() bool {
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sceneHash := t.Scene.GetHash(t.fileNamingAlgorithm)
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videoExists := t.doesVideoPreviewExist(sceneHash)
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imageExists := !t.ImagePreview || t.doesImagePreviewExist(sceneHash)
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return !imageExists || !videoExists
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}
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func (t *GeneratePreviewTask) doesVideoPreviewExist(sceneChecksum string) bool {
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if sceneChecksum == "" {
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return false
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}
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videoExists, _ := utils.FileExists(instance.Paths.Scene.GetStreamPreviewPath(sceneChecksum))
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return videoExists
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}
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func (t *GeneratePreviewTask) doesImagePreviewExist(sceneChecksum string) bool {
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if sceneChecksum == "" {
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return false
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}
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imageExists, _ := utils.FileExists(instance.Paths.Scene.GetStreamPreviewImagePath(sceneChecksum))
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return imageExists
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}
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func (t *GeneratePreviewTask) videoFilename() string {
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return t.Scene.GetHash(t.fileNamingAlgorithm) + ".mp4"
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}
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func (t *GeneratePreviewTask) imageFilename() string {
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return t.Scene.GetHash(t.fileNamingAlgorithm) + ".webp"
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}
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