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This commit is contained in:
Prianka Liz Kariat 2023-05-05 01:04:04 +05:30
parent 253662149e
commit 1db1c29f50
1 changed files with 5 additions and 0 deletions
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mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetector.mm
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@ -85,6 +85,11 @@ static NSString *const kTaskName = @"objectDetector";
// Capturing `self` as weak in order to avoid `self` being kept in memory // Capturing `self` as weak in order to avoid `self` being kept in memory
// and cause a retain cycle, after self is set to `nil`. // and cause a retain cycle, after self is set to `nil`.
MPPObjectDetector *__weak weakSelf = self; MPPObjectDetector *__weak weakSelf = self;
// Create a private serial dispatch queue in which the deleagte method will be called
// asynchronously. This is to ensure that if the client performs a long running operation in
// the delegate method, the queue on which the C++ callbacks is invoked is not blocked and is
// freed up to continue with its operations.
dispatch_queue_t callbackQueue = dispatch_queue_t callbackQueue =
dispatch_queue_create([MPPVisionTaskRunner uniqueDispatchQueueNameWithSuffix:kTaskName], NULL); dispatch_queue_create([MPPVisionTaskRunner uniqueDispatchQueueNameWithSuffix:kTaskName], NULL);
packetsCallback = [=](absl::StatusOr<PacketMap> statusOrPackets) { packetsCallback = [=](absl::StatusOr<PacketMap> statusOrPackets) {