/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";

package android.media;

/*
 * Status for media errors are numbered by google3/google/rpc/code.proto
 *
 * Notes:
 * 1) The default for Status is "OK" not "UNKNOWN".
 * 2) android.media.Status is based on Android status codes, not http.
 * 3) We choose code.proto rather than negative numbers (signed status)
 *    for numeric categorization.
 *
 * [Google3 proto]          [android.media.Status]
 * OK                  = 0;  1 (NO_ERROR)
 * UNKNOWN             = 2;  0 (ERROR_UNKNOWN)
 * INVALID_ARGUMENT    = 3;  2 (ERROR_ARGUMENT)
 * DEADLINE_EXCEEDED   = 4;  3 (ERROR_TIMEOUT)
 * PERMISSION_DENIED   = 7;  4 (ERROR_SECURITY)
 * RESOURCE_EXHAUSTED  = 8;  5 (ERROR_MEMORY)
 * FAILED_PRECONDITION = 9;  6 (ERROR_STATE)
 * UNAVAILABLE         = 14; 7 (ERROR_IO)
 */
enum Status {
  // See above for the numbering scheme.
  // We use ERROR_UNKNOWN = 0 as the default value should new error values
  // be sent to code not yet updated.
  ERROR_UNKNOWN = 0;
  // We use NO_ERROR to be visually distinct from an ERROR enumeration,
  // though it may flag a best practices warning.
  NO_ERROR = 1;
  ERROR_ARGUMENT = 2;
  ERROR_TIMEOUT = 3;
  ERROR_SECURITY = 4;
  ERROR_MEMORY = 5;
  ERROR_STATE = 6;
  ERROR_IO = 7;
}