// Copyright 2019 The MediaPipe Authors.
//
// 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 mediapipe;

import "mediapipe/framework/calculator.proto";

message AudioStreamOptions {
  // The stream to decode.  Stream indexes start from 0 (audio and video
  // are handled separately).
  optional int64 stream_index = 1 [default = 0];

  // Process the file despite this stream not being present.
  optional bool allow_missing = 2 [default = false];

  // If true, failures to decode a frame of data will be ignored.
  optional bool ignore_decode_failures = 3 [default = false];

  // Output packets with regressing timestamps. By default those packets are
  // dropped.
  optional bool output_regressing_timestamps = 4 [default = false];

  // MPEG PTS timestamps roll over back to 0 after 26.5h. If this flag is set
  // we detect any rollover and continue incrementing timestamps past this
  // point. Set this flag if you want non-regressing timestamps for MPEG
  // content where the PTS may roll over.
  optional bool correct_pts_for_rollover = 5;
}

message AudioDecoderOptions {
  extend CalculatorOptions {
    optional AudioDecoderOptions ext = 263370674;
  }
  repeated AudioStreamOptions audio_stream = 1;

  // The start time in seconds to decode.
  optional double start_time = 2;
  // The end time in seconds to decode (inclusive).
  optional double end_time = 3;
}