15 files

custom_components/album_slideshow/const.py

@@ -254,6 +254,10 @@ DEFAULT_RECURSIVE = True
 # path. Users with one album and lots of RAM can bump this via the
 # Image cache size number entity.
 DEFAULT_IMAGE_CACHE_MB = 75
+# Number of fully rendered slides retained on each side of the current frame.
+# Previous/Next can swap these JPEGs immediately without downloading,
+# composing, or encoding during the button press.
+DEFAULT_NAVIGATION_BUFFER_SIZE = 2
 
 MAX_RESOLUTION_OPTIONS = ["480p", "720p", "1080p", "1440p", "4K (2160p)", "original"]
 DEFAULT_MAX_RESOLUTION = "1080p"
@@ -269,5 +273,6 @@ MAX_RESOLUTION_SHORT_EDGE: dict[str, int | None] = {
 PUBLICALBUM_ENDPOINT = "https://www.publicalbum.org/api/v2/webapp/embed-player/jsonrpc"
 
 SERVICE_NEXT_SLIDE = "next_slide"
+SERVICE_PREVIOUS_SLIDE = "previous_slide"
 SERVICE_REFRESH_ALBUM = "refresh_album"
 ATTR_ENTRY_ID = "entry_id"