BBIT-Kai
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
################################################################################
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# SPDX-FileCopyrightText: Copyright (c) 2019-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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################################################################################
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import time
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from threading import Lock
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start_time=time.time()
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fps_mutex = Lock()
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class GETFPS:
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def __init__(self,stream_id):
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global start_time
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self.start_time=start_time
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self.is_first=True
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self.frame_count=0
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self.stream_id=stream_id
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def update_fps(self):
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end_time = time.time()
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if self.is_first:
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self.start_time = end_time
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self.is_first = False
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else:
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global fps_mutex
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with fps_mutex:
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self.frame_count = self.frame_count + 1
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def get_fps(self):
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end_time = time.time()
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with fps_mutex:
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stream_fps = float(self.frame_count/(end_time - self.start_time))
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self.frame_count = 0
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self.start_time = end_time
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return round(stream_fps, 2)
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def print_data(self):
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print('frame_count=',self.frame_count)
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print('start_time=',self.start_time)
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class PERF_DATA:
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def __init__(self, num_streams=1):
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self.perf_dict = {}
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self.all_stream_fps = {}
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for i in range(num_streams):
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self.all_stream_fps["stream{0}".format(i)]=GETFPS(i)
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def perf_print_callback(self):
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self.perf_dict = {stream_index:stream.get_fps() for (stream_index, stream) in self.all_stream_fps.items()}
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print ("\n**PERF: ", self.perf_dict, "\n")
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return True
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def update_fps(self, stream_index):
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self.all_stream_fps[stream_index].update_fps()
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