mirror of
https://github.com/k4yt3x/video2x.git
synced 2024-12-28 06:59:11 +00:00
85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
"""
|
|
Name: FFMPEG Class
|
|
Author: K4YT3X
|
|
Date Created: Feb 24, 2018
|
|
Last Modified: May 19, 2018
|
|
|
|
Description: This class handles all FFMPEG related
|
|
operations.
|
|
|
|
Version 2.0
|
|
"""
|
|
import subprocess
|
|
|
|
|
|
class FFMPEG:
|
|
"""This class communicates with ffmpeg
|
|
|
|
This class deals with ffmpeg. It handles extracitng
|
|
frames, stripping audio, converting images into videos
|
|
and inserting audio tracks to videos.
|
|
"""
|
|
|
|
def __init__(self, ffmpeg_path, outfile):
|
|
self.ffmpeg_path = ffmpeg_path
|
|
self.outfile = outfile
|
|
|
|
def extract_frames(self, videoin, outpath):
|
|
"""Extract every frame from original videos
|
|
|
|
This method extracts every frame from videoin
|
|
using ffmpeg
|
|
|
|
Arguments:
|
|
videoin {string} -- input video path
|
|
outpath {string} -- video output folder
|
|
"""
|
|
execute = "{} -i {} {}\\extracted_%0d.png -y".format(self.ffmpeg_path, videoin, outpath)
|
|
print(execute)
|
|
subprocess.call(execute)
|
|
|
|
def extract_audio(self, videoin, outpath):
|
|
"""Strips audio tracks from videos
|
|
|
|
This method strips audio tracks from videos
|
|
into the output folder in aac format.
|
|
|
|
Arguments:
|
|
videoin {string} -- input video path
|
|
outpath {string} -- video output folder
|
|
"""
|
|
execute = "{} -i {} -vn -acodec copy {}\\output-audio.aac -y".format(self.ffmpeg_path, videoin, outpath)
|
|
print(execute)
|
|
subprocess.call(execute)
|
|
|
|
def to_vid(self, framerate, resolution, upscaled, ):
|
|
"""Converts images into videos
|
|
|
|
This method converts a set of images into a
|
|
video.
|
|
|
|
Arguments:
|
|
framerate {float} -- target video framerate
|
|
resolution {string} -- target video resolution
|
|
upscaled {string} -- source images folder
|
|
"""
|
|
execute = "{} -r {} -f image2 -s {} -i {}\\extracted_%d.png -vcodec libx264 -crf 25 -pix_fmt yuv420p {}\\no_audio.mp4 -y".format(
|
|
self.ffmpeg_path, framerate, resolution, upscaled, upscaled)
|
|
print(execute)
|
|
subprocess.call(execute)
|
|
|
|
def insert_audio_track(self, upscaled):
|
|
"""Insert audio into video
|
|
|
|
Inserts the AAC audio track stripped from
|
|
the original video into final video.
|
|
|
|
Arguments:
|
|
upscaled {string} -- upscaled image folder
|
|
"""
|
|
execute = "{} -i {}\\no_audio.mp4 -i {}\\output-audio.aac -c copy {} -y".format(self.ffmpeg_path, upscaled, upscaled, self.outfile)
|
|
print(execute)
|
|
subprocess.call(execute)
|