Slice audio in chunks

slice_audio.py

@@ -0,0 +1,64 @@
+import os
+import argparse
+
+START = 00
+SECONDS = 150
+FOLDER = "chunks"
+
+def seconds_to_hms(seconds):
+    hour = 00
+    minute = 00
+    second = seconds
+
+    while second >= 60:
+        minute += 1
+        second -= 60
+        while minute >= 60:
+            hour += 1
+            minute -= 60
+
+    return hour, minute, second
+
+def hms_to_seconds(hour, minute, second):
+    return hour*3600 + minute*60 + second
+
+def main(args):
+    input = args.input
+    # name, extension = input.split(".")
+    path, filename = os.path.split(input)
+    name, extension = os.path.splitext(filename)
+    print(path, name, extension)
+
+    # Get audio duration in seconds
+    duration = float(os.popen(f'ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 {input}').read())
+    hour, minute, second = seconds_to_hms(int(duration))
+    print(f"Audio duration = {duration} = {hour}:{minute:02d}:{second}")
+
+    # Number of chunks
+    num_chunks = -(-int(duration) // SECONDS)  # Redondeo hacia arriba
+
+    # Slice audio into SECONDS chunks
+    hour, minute, second = seconds_to_hms(SECONDS) # Duration of each chunk
+    for chunk in range(num_chunks):
+        start_time = chunk * SECONDS
+        hour_start, minute_start, second_start = seconds_to_hms(start_time) # Start time of each chunk
+
+        if start_time + SECONDS > duration:
+            hour, minute, second = seconds_to_hms(duration - start_time)
+        else:
+            hour, minute, second = seconds_to_hms(SECONDS)
+
+        output = f"{FOLDER}/{name}_chunk{chunk:003d}{extension}"
+
+        if start_time + SECONDS > duration:
+            command = f'ffmpeg -i {input} -ss {hour_start:02d}:{minute_start:02d}:{second_start:02d} {output}'
+        else:
+            command = f'ffmpeg -i {input} -ss {hour_start:02d}:{minute_start:02d}:{second_start:02d} -t {hour:02}:{minute:02}:{second:02} {output}'
+        print(command)
+        os.system(command)
+
+if __name__ == "__main__":
+    argparser = argparse.ArgumentParser(description='Slice audio into smaller chunks')
+    argparser.add_argument('input', help='Input audio file')
+    args = argparser.parse_args()
+    main(args)