蚕茧视频识别AI程序关键代码（不包含资源、模型、转换库）

ai/video-sca/common/bus_call.py

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+################################################################################
+# 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 gi
+import sys
+gi.require_version('Gst', '1.0')
+from gi.repository import Gst
+def bus_call(bus, message, loop):
+    t = message.type
+    if t == Gst.MessageType.EOS:
+        sys.stdout.write("End-of-stream\n")
+        loop.quit()
+    elif t==Gst.MessageType.WARNING:
+        err, debug = message.parse_warning()
+        sys.stderr.write("Warning: %s: %s\n" % (err, debug))
+    elif t == Gst.MessageType.ERROR:
+        err, debug = message.parse_error()
+        sys.stderr.write("Error: %s: %s\n" % (err, debug))
+        loop.quit()
+    return True