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Generate screenshot images for markers (#1604)

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* Generate screenshot images for markers

In some scenarios it might not be possible to use the preview video or
image of markers, i.e. when only static images are supported like in
Kodi. So generate a static screenshot as well.

* Make generating animated and static image optional for markers
* Use screenshot for markers when preview type is set to static image
This commit is contained in:
gitgiggety
2021-09-15 04:27:05 +02:00
committed by GitHub
parent f5e4e7742e
commit 2274db16b7
15 changed files with 160 additions and 8 deletions
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28
pkg/api/routes_scene.go
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@@ -41,6 +41,7 @@ func (rs sceneRoutes) Routes() chi.Router {
r.Get("/scene_marker/{sceneMarkerId}/stream", rs.SceneMarkerStream)
r.Get("/scene_marker/{sceneMarkerId}/preview", rs.SceneMarkerPreview)
r.Get("/scene_marker/{sceneMarkerId}/screenshot", rs.SceneMarkerScreenshot)
})
r.With(SceneCtx).Get("/{sceneId}_thumbs.vtt", rs.VttThumbs)
r.With(SceneCtx).Get("/{sceneId}_sprite.jpg", rs.VttSprite)
@@ -319,6 +320,33 @@ func (rs sceneRoutes) SceneMarkerPreview(w http.ResponseWriter, r *http.Request)
http.ServeFile(w, r, filepath)
}
func (rs sceneRoutes) SceneMarkerScreenshot(w http.ResponseWriter, r *http.Request) {
scene := r.Context().Value(sceneKey).(*models.Scene)
sceneMarkerID, _ := strconv.Atoi(chi.URLParam(r, "sceneMarkerId"))
var sceneMarker *models.SceneMarker
if err := rs.txnManager.WithReadTxn(r.Context(), func(repo models.ReaderRepository) error {
var err error
sceneMarker, err = repo.SceneMarker().Find(sceneMarkerID)
return err
}); err != nil {
logger.Warnf("Error when getting scene marker for stream: %s", err.Error())
http.Error(w, http.StatusText(500), 500)
return
}
filepath := manager.GetInstance().Paths.SceneMarkers.GetStreamScreenshotPath(scene.GetHash(config.GetInstance().GetVideoFileNamingAlgorithm()), int(sceneMarker.Seconds))
// If the image doesn't exist, send the placeholder
exists, _ := utils.FileExists(filepath)
if !exists {
w.Header().Set("Content-Type", "image/png")
w.Header().Set("Cache-Control", "no-store")
_, _ = w.Write(utils.PendingGenerateResource)
return
}
http.ServeFile(w, r, filepath)
}
// endregion
func SceneCtx(next http.Handler) http.Handler {