// Copyright (c) 2023, Alliance for Open Media. All rights reserved
//
// This source code is subject to the terms of the BSD 3-Clause Clear License
// and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
// License was not distributed with this source code in the LICENSE file, you
// can obtain it at www.aomedia.org/license/software-license/bsd-3-c-c. If the
// Alliance for Open Media Patent License 1.0 was not distributed with this
// source code in the PATENTS file, you can obtain it at
// www.aomedia.org/license/patent.

syntax = "proto2";

package iamf_tools_cli_proto;

import "iamf/cli/proto/obu_header.proto";
import "iamf/cli/proto/parameter_data.proto";

message ParameterDataExtension {
  optional uint32 parameter_data_size = 1;
  optional bytes parameter_data_bytes = 2;
}

message ParameterSubblock {
  optional uint32 subblock_duration = 1;
  oneof parameter_data {
    MixGainParameterData mix_gain_parameter_data = 2;
    DemixingInfoParameterData demixing_info_parameter_data = 3;
    ReconGainInfoParameterData recon_gain_info_parameter_data = 4;
    ParameterDataExtension parameter_data_extension = 5;
  }
}

message ParameterBlockObuMetadata {
  optional uint32 parameter_id = 1;
  optional uint32 duration = 2;
  optional uint32 num_subblocks = 3;
  optional uint32 constant_subblock_duration = 4;
  repeated ParameterSubblock subblocks = 5;
  // TODO(b/395159650): Bump up to hold an `int64_t` in order to support very
  //                    long durations.
  optional int32 start_timestamp = 6;
  optional ObuHeaderMetadata obu_header = 7;
}