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print("--- SCRIPT EXECUTION STARTED ---") |
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import os |
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import pysrt |
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from pydub import AudioSegment |
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def get_last_timestamp(srt_file): |
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"""Gets the end time of the last subtitle in an SRT file.""" |
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try: |
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subs = pysrt.open(srt_file) |
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if subs: |
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return subs[-1].end.ordinal |
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except Exception as e: |
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print(f"Error reading SRT file: {srt_file}") |
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print(f"Error message: {e}") |
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return None |
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def trim_audio_files(srt_dir, audio_dir, output_dir): |
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"""Trims audio files based on the last timestamp in corresponding SRT files.""" |
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os.makedirs(output_dir, exist_ok=True) |
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audio_files = sorted([f for f in os.listdir(audio_dir) if f.endswith(('.mp3', '.m4a'))]) |
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for audio_filename in audio_files: |
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basename = os.path.splitext(audio_filename)[0] |
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srt_filename = basename + '.srt' |
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srt_path = os.path.join(srt_dir, srt_filename) |
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if not os.path.exists(srt_path): |
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print(f"SRT file not found for {audio_filename}, skipping.") |
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continue |
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last_timestamp = get_last_timestamp(srt_path) |
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if last_timestamp is None: |
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print(f"Could not get timestamp from {srt_filename}, skipping.") |
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continue |
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audio_path = os.path.join(audio_dir, audio_filename) |
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try: |
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print(f"Processing {audio_filename}...") |
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file_format = os.path.splitext(audio_filename)[1][1:] |
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audio = AudioSegment.from_file(audio_path, format=file_format) |
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trimmed_audio = audio[:last_timestamp + 500] |
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output_path = os.path.join(output_dir, audio_filename) |
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trimmed_audio.export(output_path, format=file_format) |
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print(f" -> Trimmed and saved to {output_path}") |
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except Exception as e: |
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print(f"Error processing {audio_path}: {e}") |
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if __name__ == "__main__": |
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SRT_DIRECTORY = "srt/lukdinggei" |
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AUDIO_DIRECTORY = "source/鹿鼎記mp3" |
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OUTPUT_DIRECTORY = "source/lukdinggei_trimmed_mp3" |
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trim_audio_files(SRT_DIRECTORY, AUDIO_DIRECTORY, OUTPUT_DIRECTORY) |
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print(f"\nTrimming complete. Trimmed files are saved in '{OUTPUT_DIRECTORY}'.") |
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