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python time shift srt file

BugsBuggy answered on December 27, 2022 Popularity 1/10 Helpfulness 1/10

answer python time shift srt file

python time shift srt file

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import re

# Shift amount in seconds
shift = 33.640

# Load the .srt file
with open('input.srt', 'r') as f:
    lines = f.readlines()

# Regex pattern to match timestamps
pattern = r'(\d{2}):(\d{2}):(\d{2}),(\d{3})'

# Shift the timestamps
for i, line in enumerate(lines):
    # Find all the timestamps in the line
    matches = list(re.finditer(pattern, line))

    # Shift each timestamp
    for match in matches:
        # Parse the timestamp
        hours = int(match.group(1))
        minutes = int(match.group(2))
        seconds = int(match.group(3))
        milliseconds = int(match.group(4))

        # Convert the timestamp to seconds
        total_seconds = hours * 3600 + minutes * 60 + seconds + milliseconds / 1000

        # Add the shift amount
        total_seconds += shift

        # Convert the shifted timestamp back to hh:mm:ss,ms format
        hours = int(total_seconds // 3600)
        minutes = int((total_seconds % 3600) // 60)
        seconds = int(total_seconds % 60)
        milliseconds = int((total_seconds % 1) * 1000)

        # Replace the timestamp in the line with the shifted timestamp
        line = line[:match.start()] + f"{hours:02d}:{minutes:02d}:{seconds:02d},{milliseconds:03d}" + line[match.end():]
    lines[i] = line

# Write the modified subtitles to a new .srt file
with open('output.srt', 'w') as f:
    f.writelines(lines)

Popularity 1/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: file python shift srt time

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Contributed on Dec 27 2022

BugsBuggy

0 Answers Avg Quality 2/10

python time shift srt file

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