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https://github.com/orangechannel/acsuite
audiocutter.py replacement for VapourSynth using FFmpeg
https://github.com/orangechannel/acsuite
anime audio encoding ffmpeg trimming vapoursynth
Last synced: about 1 month ago
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audiocutter.py replacement for VapourSynth using FFmpeg
- Host: GitHub
- URL: https://github.com/orangechannel/acsuite
- Owner: OrangeChannel
- License: unlicense
- Created: 2019-10-20T02:35:27.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2021-04-18T05:56:47.000Z (over 3 years ago)
- Last Synced: 2024-12-01T14:36:39.319Z (about 1 month ago)
- Topics: anime, audio, encoding, ffmpeg, trimming, vapoursynth
- Language: Python
- Homepage: https://pypi.org/project/acsuite-orangechannel/
- Size: 5.66 MB
- Stars: 20
- Watchers: 5
- Forks: 2
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# acsuite
[](https://acsuite.readthedocs.io/en/latest/?badge=latest) [](https://github.com/psf/black)
audiocutter(.py) replacement for VapourSynth.
Allows for easy frame-based cutting/trimming/splicing of audio files
using VapourSynth clip information.
Includes some extra tools for working with audio files or timestamps.
## Functions:
### eztrim(clip, trims, audio_file[, outfile, ffmpeg_path=, quiet=, timecodes_file=])
```py
import vapoursynth as vs
core = vs.core
from acsuite import eztrim
file = r'/BDMV/STREAM/00003.m2ts'
afile = r'/BDMV/STREAM/00003.wav' # pre-extracted with TSMuxer or similar
src = core.lsmas.LWLibavSource(file)
# for the example, we will assume the src clip is 100 frames long (0-99)
trimmed_clip = src[3:22]+src[23:40]+src[48]+src[50:-20]+src[-10:-5]+src[97:]
# `clip` arg should be the uncut/untrimmed source that you are trimming from
eztrim(src, [(3,22),(23,40),(48,49),(50,-20),(-10,-5),(97,None)], afile)
```
##### Output:
Uses the file extension of the input _audio_file_ to output a cut/trimmed audio file with the same extension. If no _outfile_ is given, defaults to `audio_file_cut.ext`.
### concat(audio_files, outfile[, ffmpeg_path=, quiet=])
```py
concat(['file.aac', 'file2.aac'], 'outfile.aac')
```
Will concatenate a list of audio files (paths given as strings) into one file using FFmpeg.
---
## Utility Functions:
### f2ts(f, src_clip=[, precision=, timecodes_file=])
Useful for finding the timestamp for a frame number.
```py
from functools import partial
import vapoursynth as vs
core = vs.core
clip = core.std.BlankClip()
ts = partial(f2ts, src_clip=clip)
ts(5), ts(9), ts(clip.num_frames), ts(-1)
# ('00:00:00.208', '00:00:00.375', '00:00:10.000', '00:00:09.958')
```
### clip_to_timecodes(src_clip)
Returns a list of timecodes for VFR clips. Used as a fallback when *timecodes_file* is not given to `f2ts` or `eztrim`.
## Getting Started
### Dependencies
- [FFmpeg](https://ffmpeg.org/)
- [VapourSynth R49+](https://github.com/vapoursynth/vapoursynth/releases)
### Installing
#### Arch Linux
Install the [AUR package](https://aur.archlinux.org/packages/vapoursynth-tools-acsuite-git/) `vapoursynth-tools-acsuite-git` with your favorite AUR helper:
```sh
$ yay -S vapoursynth-tools-acsuite-git
```
#### Gentoo Linux
Install via the [VapourSynth portage tree](https://github.com/4re/vapoursynth-portage).
#### Windows / Other
Use the [Python Package Index (PyPI / pip)](https://pypi.org/project/acsuite-orangechannel/#description):
```sh
python3 -m pip install --user --upgrade acsuite-orangechannel
```
or simply
```sh
pip install acsuite-orangechannel
```
if you are able to use a `pip` executable directly.
## Help!
Check out the [documentation](https://acsuite.readthedocs.io/en/latest/) or use Python's builtin `help()`:
```py
help('acsuite')
```