feat: add support for automatically generating subtitle for input videos

Google APIs · copybara-github · commit c58a1bb42ebe · 2025-08-22T15:33:08.000-07:00
PiperOrigin-RevId: 798365183
diff --git a/google/cloud/video/transcoder/v1/resources.proto b/google/cloud/video/transcoder/v1/resources.proto
@@ -242,6 +242,9 @@ message Input {
 
   // Preprocessing configurations.
   PreprocessingConfig preprocessing_config = 3;
+
+  // Optional. Input Attributes.
+  InputAttributes attributes = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Location of output file(s) in a Cloud Storage bucket.
@@ -832,6 +835,37 @@ message PreprocessingConfig {
   Deinterlace deinterlace = 7;
 }
 
+// Track definition for the input asset.
+message TrackDefinition {
+  // The input track.
+  optional int32 input_track = 1;
+
+  // Optional. A list of languages spoken in the input asset, represented by a
+  // BCP 47 language code, such as "en-US" or "sr-Latn". For more information,
+  // see https://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
+  repeated string languages = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Whether to automatically detect the languages present in the
+  // track. If true, the system will attempt to identify all the languages
+  // present in the track and populate the languages field.
+  bool detect_languages = 3 [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. A list of languages detected in the input asset, represented
+  // by a BCP 47 language code, such as "en-US" or "sr-Latn". For more
+  // information, see
+  // https://www.unicode.org/reports/tr35/#Unicode_locale_identifier.
+  // This field is only populated if the detect_languages field is set to true.
+  repeated string detected_languages = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+}
+
+// Input attributes that provide additional information about the input asset.
+message InputAttributes {
+  // Optional. A list of track definitions for the input asset.
+  repeated TrackDefinition track_definitions = 1
+      [(google.api.field_behavior) = OPTIONAL];
+}
+
 // Video stream resource.
 message VideoStream {
   // The conversion strategy for desired frame rate.
