添加快速分割方法

quick_split_video.py

@@ -0,0 +1,53 @@
+import os
+import sys
+import re
+import subprocess
+
+from datetime import datetime, timedelta
+
+EACH_SEC = 6000
+OVERFLOW_SEC = 4
+
+
+def get_video_real_duration(filename):
+    ffmpeg_process = subprocess.Popen([
+        "ffmpeg", "-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
+
+
+if __name__ == '__main__':
+    if len(sys.argv) < 2:
+        print("请输入文件")
+        exit(1)
+    input_file = sys.argv[1]
+    if not os.path.isfile(input_file):
+        raise FileNotFoundError(input_file)
+    file_name = os.path.split(input_file)[-1]
+    _create_dt = os.path.splitext(file_name)[0]
+    create_dt = datetime.strptime(_create_dt, "%Y%m%d_%H%M")
+    print(create_dt)
+    _duration_str = get_video_real_duration(input_file)
+    _duration = datetime.strptime(_duration_str, "%H:%M:%S.%f") - datetime(1900, 1, 1)
+    duration = _duration.seconds
+    print(duration)
+    current_sec = 0
+    while current_sec < duration:
+        current_dt = (create_dt + timedelta(seconds=current_sec)).strftime("%Y%m%d_%H%M")
+        print("CUR_DT", current_dt)
+        print("BIAS_T", current_sec)
+        split_process = subprocess.Popen([
+            "ffmpeg", "-y", "-i", input_file,
+            "-c", "copy", "-f", "mp4",
+            "-t", str(EACH_SEC + OVERFLOW_SEC),
+            "-ss", str(current_sec),
+            "{}.mp4".format(current_dt)
+        ])
+        split_process.wait()
+        current_sec += EACH_SEC