fix: correct long audio synthesis HTTP binding

docs: Deprecate the custom voice usage field

PiperOrigin-RevId: 595119987

google/cloud/texttospeech/v1/cloud_tts.proto

@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -266,9 +266,8 @@ message AudioConfig {
 
 // Description of the custom voice to be synthesized.
 message CustomVoiceParams {
-  // The usage of the synthesized audio. You must report your honest and
-  // correct usage of the service as it's regulated by contract and will cause
-  // significant difference in billing.
+  // Deprecated. The usage of the synthesized audio. Usage does not affect
+  // billing.
   enum ReportedUsage {
     // Request with reported usage unspecified will be rejected.
     REPORTED_USAGE_UNSPECIFIED = 0;
@@ -289,8 +288,9 @@ message CustomVoiceParams {
     (google.api.resource_reference) = { type: "automl.googleapis.com/Model" }
   ];
 
-  // Optional. The usage of the synthesized audio to be reported.
-  ReportedUsage reported_usage = 3 [(google.api.field_behavior) = OPTIONAL];
+  // Optional. Deprecated. The usage of the synthesized audio to be reported.
+  ReportedUsage reported_usage = 3
+      [deprecated = true, (google.api.field_behavior) = OPTIONAL];
 }
 
 // The message returned to the client by the `SynthesizeSpeech` method.

google/cloud/texttospeech/v1/cloud_tts_lrs.proto

@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -42,12 +42,12 @@ service TextToSpeechLongAudioSynthesize {
   rpc SynthesizeLongAudio(SynthesizeLongAudioRequest)
       returns (google.longrunning.Operation) {
     option (google.api.http) = {
-      post: "/v1/{parent=projects/*/locations/*/voices/*}:SynthesizeLongAudio"
+      post: "/v1/{parent=projects/*/locations/*}:synthesizeLongAudio"
       body: "*"
     };
     option (google.longrunning.operation_info) = {
-      response_type: "SynthesizeLongAudioResponse"
-      metadata_type: "SynthesizeLongAudioMetadata"
+      response_type: "google.cloud.texttospeech.v1.SynthesizeLongAudioResponse"
+      metadata_type: "google.cloud.texttospeech.v1.SynthesizeLongAudioMetadata"
     };
   }
 }
@@ -83,8 +83,8 @@ message SynthesizeLongAudioMetadata {
   // Time when the request was received.
   google.protobuf.Timestamp start_time = 1;
 
-  // Time of the most recent processing update.
-  google.protobuf.Timestamp last_update_time = 2;
+  // Deprecated. Do not use.
+  google.protobuf.Timestamp last_update_time = 2 [deprecated = true];
 
   // The progress of the most recent processing update in percentage, ie. 70.0%.
   double progress_percentage = 3;

google/cloud/texttospeech/v1/texttospeech_v1.yaml

@@ -8,6 +8,9 @@ apis:
 - name: google.cloud.texttospeech.v1.TextToSpeechLongAudioSynthesize
 - name: google.longrunning.Operations
 
+types:
+- name: google.cloud.texttospeech.v1.SynthesizeLongAudioMetadata
+
 documentation:
   summary: |-
     Synthesizes natural-sounding speech by applying powerful neural network
@@ -17,6 +20,13 @@ documentation:
 
     Google Cloud Text-to-Speech API provides speech synthesis as a service.
 
+http:
+  rules:
+  - selector: google.longrunning.Operations.GetOperation
+    get: '/v1/{name=projects/*/locations/*/operations/*}'
+  - selector: google.longrunning.Operations.ListOperations
+    get: '/v1/{name=projects/*/locations/*}/operations'
+
 authentication:
   rules:
   - selector: google.cloud.texttospeech.v1.TextToSpeech.ListVoices