初次提交

workflow/video.py

@@ -0,0 +1,16 @@
+import re
+import subprocess
+
+
+def get_video_real_duration(filename):
+    ffmpeg_process = subprocess.Popen([
+        "ffmpeg", "-hide_banner", "-i", filename, "-c", "copy", "-f", "null", "-"
+    ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    result = "0:0:0.0"
+    for line in ffmpeg_process.stderr.readlines():
+        match_result = re.findall("(?<= time=).+?(?= )", line.decode())
+        if len(match_result) == 0:
+            continue
+        result = match_result.pop()
+    return result
+