// 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 CallbackPacketCalculatorOptions {
extend CalculatorOptions {
optional CallbackPacketCalculatorOptions ext = 245965803;
}
enum PointerType {
UNKNOWN = 0;
VECTOR_PACKET = 1;
POST_STREAM_PACKET = 2;
}
// The type of the data pointer that the callback will put data into.
optional PointerType type = 1;
// The location of the data stored as a string printed with
// snprintf(address, sizeof(address), "%p", pointer).
// This calculator only produces a reasonable callback if it is
// constructed on the same machine as the original pointer was created on and
// that pointer is still alive.
optional bytes pointer = 2;
}