Generate content for specific scenes (#672)

* Add UI dialog for scene(s)
* Move preview preset to config

graphql/schema/types/config.graphql

@@ -7,6 +7,16 @@ enum StreamingResolutionEnum {
   "Original", ORIGINAL
 }
 
+enum PreviewPreset {
+  "X264_ULTRAFAST", ultrafast
+  "X264_VERYFAST", veryfast
+  "X264_FAST", fast
+  "X264_MEDIUM", medium
+  "X264_SLOW", slow
+  "X264_SLOWER", slower
+  "X264_VERYSLOW", veryslow
+}
+
 input ConfigGeneralInput {
   """Array of file paths to content"""
   stashes: [String!]
@@ -16,6 +26,8 @@ input ConfigGeneralInput {
   generatedPath: String
   """Path to cache"""
   cachePath: String
+  """Preset when generating preview"""
+  previewPreset: PreviewPreset
   """Max generated transcode size"""
   maxTranscodeSize: StreamingResolutionEnum
   """Max streaming transcode size"""
@@ -53,6 +65,8 @@ type ConfigGeneralResult {
   generatedPath: String!
   """Path to cache"""
   cachePath: String!
+  """Preset when generating preview"""
+  previewPreset: PreviewPreset!
   """Max generated transcode size"""
   maxTranscodeSize: StreamingResolutionEnum
   """Max streaming transcode size"""

graphql/schema/types/metadata.graphql

@@ -1,12 +1,21 @@
 input GenerateMetadataInput {
   sprites: Boolean!
   previews: Boolean!
-  previewPreset: PreviewPreset
   imagePreviews: Boolean!
   markers: Boolean!
   transcodes: Boolean!
   """gallery thumbnails for cache usage"""
   thumbnails: Boolean!
+
+  """scene ids to generate for"""
+  sceneIDs: [ID!]
+  """marker ids to generate for"""
+  markerIDs: [ID!]
+  """gallery ids to generate for"""
+  galleryIDs: [ID!]
+
+  """overwrite existing media"""
+  overwrite: Boolean
 }
 
 input ScanMetadataInput {
@@ -27,13 +36,3 @@ type MetadataUpdateStatus {
   status: String!
   message: String!
 }
-
-enum PreviewPreset {
-  "X264_ULTRAFAST", ultrafast
-  "X264_VERYFAST", veryfast
-  "X264_FAST", fast
-  "X264_MEDIUM", medium
-  "X264_SLOW", slow
-  "X264_SLOWER", slower
-  "X264_VERYSLOW", veryslow
-}