Fixed duration in meta data when generating subclips in ffmpeg_tools (#…

…1317)
Zulko · Oct 1, 2020 · 6bc7d88 · 6bc7d88
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed <!-- for now removed features -->
 
 ### Fixed <!-- for any bug fixes -->
+- Fixed `ffmpeg_tools.ffmpeg_extract_subclip` creating clips with incorrect duration metadata [#1317]
 - `OSError: MoviePy error: failed to read the first frame of video file...` would occasionally occur for no reason [#1220]
 - Warnings are no longer being supressed by MoviePy [#1191]
 - Fixed `UnicodeDecodeError` crash when file metadata contained non-UTF8 characters [#959]

diff --git a/moviepy/video/io/ffmpeg_tools.py b/moviepy/video/io/ffmpeg_tools.py
@@ -57,6 +57,7 @@ def ffmpeg_extract_subclip(filename, t1, t2, targetname=None):
         "copy",
         "-acodec",
         "copy",
+        "-copyts",
         targetname,
     ]
     subprocess_call(cmd)