mirror of https://github.com/stashapp/stash.git
116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
package manager
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import (
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"context"
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"fmt"
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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/scene/generate"
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)
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type GenerateCoverTask struct {
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repository models.Repository
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Scene models.Scene
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ScreenshotAt *float64
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Overwrite bool
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}
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func (t *GenerateCoverTask) GetDescription() string {
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return fmt.Sprintf("Generating cover for %s", t.Scene.GetTitle())
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}
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func (t *GenerateCoverTask) Start(ctx context.Context) {
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scenePath := t.Scene.Path
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r := t.repository
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var required bool
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if err := r.WithReadTxn(ctx, func(ctx context.Context) error {
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required = t.required(ctx)
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return t.Scene.LoadPrimaryFile(ctx, r.File)
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}); err != nil {
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logger.Error(err)
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}
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if !required {
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return
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}
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videoFile := t.Scene.Files.Primary()
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if videoFile == nil {
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return
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}
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var at float64
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if t.ScreenshotAt == nil {
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at = float64(videoFile.Duration) * 0.2
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} else {
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at = *t.ScreenshotAt
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}
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// we'll generate the screenshot, grab the generated data and set it
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// in the database.
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logger.Debugf("Creating screenshot for %s", scenePath)
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g := generate.Generator{
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Encoder: instance.FFMpeg,
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FFMpegConfig: instance.Config,
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LockManager: instance.ReadLockManager,
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ScenePaths: instance.Paths.Scene,
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Overwrite: true,
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}
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coverImageData, err := g.Screenshot(context.TODO(), videoFile.Path, videoFile.Width, videoFile.Duration, generate.ScreenshotOptions{
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At: &at,
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})
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if err != nil {
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logger.Errorf("Error generating screenshot: %v", err)
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logErrorOutput(err)
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return
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}
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if err := r.WithTxn(ctx, func(ctx context.Context) error {
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qb := r.Scene
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scenePartial := models.NewScenePartial()
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// update the scene cover table
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if err := qb.UpdateCover(ctx, t.Scene.ID, coverImageData); err != nil {
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return fmt.Errorf("error setting screenshot: %v", err)
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}
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// update the scene with the update date
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_, err = qb.UpdatePartial(ctx, t.Scene.ID, scenePartial)
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if err != nil {
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return fmt.Errorf("error updating scene: %v", err)
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}
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return nil
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}); err != nil && ctx.Err() == nil {
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logger.Error(err.Error())
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}
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}
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// required returns true if the sprite needs to be generated
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// assumes in a transaction
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func (t *GenerateCoverTask) required(ctx context.Context) bool {
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if t.Scene.Path == "" {
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return false
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}
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if t.Overwrite {
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return true
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}
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// if the scene has a cover, then we don't need to generate it
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hasCover, err := t.repository.Scene.HasCover(ctx, t.Scene.ID)
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if err != nil {
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logger.Errorf("Error getting cover: %v", err)
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return false
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}
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return !hasCover
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}
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