/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package singa;

option java_package = "org.apache.singa.proto";

message EncoderConf {
  optional string type = 1 [default = "jpg2proto"];
  optional string image_dim_order = 2 [default = "HWC"];
}

message DecoderConf {
  optional string type = 1 [default = "proto2jpg"];
  optional string image_dim_order = 2 [default = "CHW"];
  optional bool has_label = 3 [default = true];
}

message TransformerConf {
  optional bool featurewise_center = 1 [default = false];
  optional bool samplewise_center = 2 [default = false];
  optional bool featurewise_std_norm = 3 [default = false];
  optional bool samplewise_std_norm = 4 [default = false];
  optional bool zca_whitening = 5 [default = false];
  optional int32 rotation_range = 6 [default = 0];
  /// crop_shape should exactly contain 2 elements in order,
  /// i.e., crop_height, crop_width.
  repeated uint32 crop_shape = 7 [packed = true];
  optional int32 resize_height = 8 [default = 0];
  optional int32 resize_width = 9 [default = 0];
  optional bool horizontal_mirror = 10 [default = false];
  optional bool vertical_mirror = 11 [default = false];
  /// if input tensor is 4D or 3D,
  /// supported shape of inputs are "CHW" and "HWC".
  /// if input tensor is 2D, this field will be ignored.
  optional string image_dim_order = 12 [default = "CHW"];
  optional float rescale = 13 [default = 0];
}

message ImageRecord {
  repeated int32 shape = 1;
  repeated int32 label = 2;
  optional bytes pixel = 3;
}