Extract audio tracks from A/V files using ffmpeg.
Project description
Description
This library uses ffmpeg
to extract an audio track from a video file. The audio can also be separated by chapter, if the chapters are annotated in the video.
Installation
$ pip3 install video2audio
The ffmpeg
and ffprobe
commands must be available on your system (and PATH
).
Usage
from video2audio import AVFile
f = AVFile('/path/to/some/movie.mkv')
# Extract the entire audio track as a single mp3:
f.extract_audio('/path/to/some/audio_only.mp3', chapter=None)
# Extract the second, entire audio track as a single mp3:
f.extract_audio('/path/to/some/audio_only_second_stream.mp3', chapter=None, stream=1)
# Extract each chapter to a separate mp3 file:
f.extract_all_chapters_audio('/path/to/chapter/outputs/')
# Extract each chapter to a separate mp3 file, manually naming them:
f.extract_all_chapters_audio(
'/path/to/chapter/outputs/',
output_filenames=['ch1_title.mp3', 'ch2_title.mp3', 'ch3_title.mp3']
)
# Extract only chapter number 12 (or 13, using 1-indexing):
chapter_list = f.get_chapters()
f.extract_audio('single_chapter.mp3', chapter=chapter_list[12])
CLI
Extract the second audio track using the command line tool:
$ video2audio -t 1 /path/to/some/movie.mkv /path/to/chapter/outputs/
video2audio -h
will explain the other options.
TODO
- Add tests
- Check for injection / missing escapes in subprocess
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