Add Chromium-only Blender WebEngine parity work

blender-5.2.0/tests/python/ffmpeg_tests.py

@@ -0,0 +1,99 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: 2018-2022 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import argparse
+import pathlib
+import sys
+import unittest
+
+from modules.test_utils import AbstractBlenderRunnerTest
+
+
+class AbstractFFmpegTest(AbstractBlenderRunnerTest):
+    @classmethod
+    def setUpClass(cls):
+        cls.blender = args.blender
+        cls.testdir = pathlib.Path(args.testdir)
+
+
+class AbstractFFmpegSequencerTest(AbstractFFmpegTest):
+    def get_script_for_file(self, filename: pathlib.Path) -> str:
+        movie = self.testdir / filename
+        return \
+            "import bpy; " \
+            "bpy.context.scene.sequence_editor_create(); " \
+            "strip = bpy.context.scene.sequence_editor.strips.new_movie(" \
+            "'test_movie', %r, channel=1, frame_start=1); " \
+            "print(f'fps:{strip.fps}'); " \
+            "print(f'duration:{strip.duration}'); " % movie.as_posix()
+
+    def get_movie_file_field(self, filename: pathlib.Path, field: str) -> str:
+        script = self.get_script_for_file(filename)
+        output = self.run_blender('', script)
+        prefix = field + ":"
+        for line in output.splitlines():
+            if line.startswith(prefix):
+                return line.split(':')[1]
+        return ""
+
+    def get_movie_file_field_float(self, filename: pathlib.Path, field: str) -> float:
+        return float(self.get_movie_file_field(filename, field))
+
+    def get_movie_file_field_int(self, filename: pathlib.Path, field: str) -> float:
+        return int(self.get_movie_file_field(filename, field))
+
+    def get_movie_file_fps(self, filename: pathlib.Path) -> float:
+        return self.get_movie_file_field_float(filename, "fps")
+
+    def get_movie_file_duration(self, filename: pathlib.Path) -> float:
+        return self.get_movie_file_field_int(filename, "duration")
+
+
+class FPSDetectionTest(AbstractFFmpegSequencerTest):
+    def test_T51153(self):
+        self.assertAlmostEqual(
+            self.get_movie_file_fps('T51153_bad_clip_2.mts'),
+            29.97,
+            places=2)
+
+    def test_T53857(self):
+        self.assertAlmostEqual(
+            self.get_movie_file_fps('T53857_2018-01-22_15-30-49.mkv'),
+            30.0,
+            places=2)
+
+    def test_T54148(self):
+        self.assertAlmostEqual(
+            self.get_movie_file_fps('T54148_magn_0.mkv'),
+            1.0,
+            places=2)
+
+    def test_T68091(self):
+        self.assertAlmostEqual(
+            self.get_movie_file_fps('T68091-invalid-nb_frames-at-10fps.mp4'),
+            10.0,
+            places=2)
+        self.assertEqual(
+            self.get_movie_file_duration('T68091-invalid-nb_frames-at-10fps.mp4'),
+            10)
+
+    def test_T54834(self):
+        self.assertEqual(
+            self.get_movie_file_duration('T54834.ogg'),
+            50)
+
+    def test_T126866(self):
+        self.assertEqual(
+            self.get_movie_file_duration('T126866.mp4'),
+            361)
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--blender', required=True)
+    parser.add_argument('--testdir', required=True)
+    args, remaining = parser.parse_known_args()
+
+    unittest.main(argv=sys.argv[0:1] + remaining)