蚕茧视频识别AI程序关键代码（不包含资源、模型、转换库）

2025-11-18 16:36:05 +08:00
parent 7a5e29be1c
commit 4fa0c7d1eb
23 changed files with 2269 additions and 0 deletions
@@ -0,0 +1,67 @@
+################################################################################
+# SPDX-FileCopyrightText: Copyright (c) 2019-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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 time
+from threading import Lock
+start_time=time.time()
+
+fps_mutex = Lock()
+
+class GETFPS:
+    def __init__(self,stream_id):
+        global start_time
+        self.start_time=start_time
+        self.is_first=True
+        self.frame_count=0
+        self.stream_id=stream_id
+
+    def update_fps(self):
+        end_time = time.time()
+        if self.is_first:
+            self.start_time = end_time
+            self.is_first = False
+        else:
+            global fps_mutex
+            with fps_mutex:
+                self.frame_count = self.frame_count + 1
+
+    def get_fps(self):
+        end_time = time.time()
+        with fps_mutex:
+            stream_fps = float(self.frame_count/(end_time - self.start_time))
+            self.frame_count = 0
+        self.start_time = end_time
+        return round(stream_fps, 2)
+
+    def print_data(self):
+        print('frame_count=',self.frame_count)
+        print('start_time=',self.start_time)
+
+class PERF_DATA:
+    def __init__(self, num_streams=1):
+        self.perf_dict = {}
+        self.all_stream_fps = {}
+        for i in range(num_streams):
+            self.all_stream_fps["stream{0}".format(i)]=GETFPS(i)
+
+    def perf_print_callback(self):
+        self.perf_dict = {stream_index:stream.get_fps() for (stream_index, stream) in self.all_stream_fps.items()}
+        print ("\n**PERF: ", self.perf_dict, "\n")
+        return True
+    
+    def update_fps(self, stream_index):
+        self.all_stream_fps[stream_index].update_fps()