// 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. #import "MPPInputSource.h" #define ABSTRACT_METHOD \ @throw [NSException exceptionWithName:NSInternalInconsistencyException \ reason:[NSString stringWithFormat:@"You must override %@ in a subclass", \ NSStringFromSelector(_cmd)] \ userInfo:nil]; @implementation MPPInputSource - (void)setDelegate:(id)delegate queue:(dispatch_queue_t)queue { _delegate = delegate; _delegateQueue = queue; } - (void)start { ABSTRACT_METHOD } - (void)stop { ABSTRACT_METHOD } @end