From efbfe9351594572c49b7dbaeb40672a0f6373387 Mon Sep 17 00:00:00 2001
From: Prianka Liz Kariat <prianka.kariat@ymedialabs.com>
Date: Thu, 4 May 2023 00:58:11 +0530
Subject: [PATCH] Added method in MPPVisionTaskRunner to construct a unique
 queue name

---
 mediapipe/tasks/ios/vision/core/BUILD                      | 1 +
 .../tasks/ios/vision/core/sources/MPPVisionTaskRunner.h    | 2 ++
 .../tasks/ios/vision/core/sources/MPPVisionTaskRunner.mm   | 7 +++++++
 3 files changed, 10 insertions(+)

diff --git a/mediapipe/tasks/ios/vision/core/BUILD b/mediapipe/tasks/ios/vision/core/BUILD
index 4b72fc91d..328d9e892 100644
--- a/mediapipe/tasks/ios/vision/core/BUILD
+++ b/mediapipe/tasks/ios/vision/core/BUILD
@@ -58,6 +58,7 @@ objc_library(
         "//mediapipe/framework/formats:rect_cc_proto",
         "//mediapipe/tasks/ios/common:MPPCommon",
         "//mediapipe/tasks/ios/common/utils:MPPCommonUtils",
+        "//mediapipe/tasks/ios/common/utils:NSStringHelpers",
         "//mediapipe/tasks/ios/core:MPPTaskRunner",
         "//third_party/apple_frameworks:UIKit",
         "@com_google_absl//absl/status:statusor",
diff --git a/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.h b/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.h
index 92b5563ef..723a9fb6f 100644
--- a/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.h
+++ b/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.h
@@ -141,6 +141,8 @@ NS_ASSUME_NONNULL_BEGIN
                                   (mediapipe::tasks::core::PacketsCallback)packetsCallback
                                         error:(NSError **)error NS_UNAVAILABLE;
 
++ (const char *)uniqueQueueNameWithTaskName:(NSString *)taskName;
+
 - (instancetype)init NS_UNAVAILABLE;
 
 + (instancetype)new NS_UNAVAILABLE;
diff --git a/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.mm b/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.mm
index 07c4bf88e..38bdc99d8 100644
--- a/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.mm
+++ b/mediapipe/tasks/ios/vision/core/sources/MPPVisionTaskRunner.mm
@@ -16,6 +16,7 @@
 
 #import "mediapipe/tasks/ios/common/sources/MPPCommon.h"
 #import "mediapipe/tasks/ios/common/utils/sources/MPPCommonUtils.h"
+#import "mediapipe/tasks/ios/common/utils/sources/NSString+Helpers.h"
 
 #include "absl/status/statusor.h"
 
@@ -37,6 +38,8 @@ static const NSInteger kMPPOrientationDegreesDown = -180;
 /** Rotation degrees for a 90 degree rotation to the left. */
 static const NSInteger kMPPOrientationDegreesLeft = -270;
 
+static NSString *const kTaskPrefix = @"com.mediapipe.tasks.vision";
+
 @interface MPPVisionTaskRunner () {
   MPPRunningMode _runningMode;
 }
@@ -200,4 +203,8 @@ static const NSInteger kMPPOrientationDegreesLeft = -270;
   return [self sendPacketMap:packetMap error:error];
 }
 
++ (const char *)uniqueQueueNameWithTaskName:(NSString *)taskName {
+  return [NSString stringWithFormat:@"%@.%@_%@",kTaskPrefix, taskName, [NSString uuidString]].UTF8String;
+}
+
 @end