一枚絵からffmpegで動画を生成するバッチスクリプト

make_movie.py

import os
import subprocess as sp
import sys

number = "07"
title = "月の息"

class Settings:
	picture = "hogehoge"+number
	music = "hogehoge"+number+" "+title
	movie = "hogehoge"+number
	ffmpeg = "C:/Programs/ffmpeg-20161122-d316b21-win64-static/bin/ffmpeg.exe"

def shell(str):
	#sp.call(str,shell=True)
	sp.check_output(str,shell=True,stderr=sp.STDOUT)

def getTrackList():
	tracks = os.listdir(os.path.abspath(Settings.music))
	tracks.sort()
	for i in range(len(tracks)):
		tracks[i] = tracks[i].split(".")[0]
	#print(tracks)
	return tracks

def exist_check(tracks):
	print("file check")
	flag = False
	for t in tracks:
		fpath = Settings.picture + "/" + t + " - 1920x1080.png"
		if not os.path.exists(fpath):
			print("{t} - No such file".format(t=t))
			flag = True
		else:
			print("{t} - OK".format(t=t))
	if flag:
		sys.exit()
	print("file check passed")


def main():
	s = Settings()
	tracks = getTrackList()
	exist_check(tracks)
	for t in tracks:
		cmd = '''\
{s.ffmpeg} -loop 1 \
-i "{s.picture}/{t} - 1920x1080.png" \
-i "{s.music}/{t}.wav" \
-c:v libx264 \
-tune stillimage -preset medium -crf 18 -movflags +faststart \
-c:a aac -ab 384k -ar 48000 -ac 2 \
-r 30 -s 1920x1080 -aspect 16:9 \
-shortest "{s.movie}/{t}.mp4" \
-y -threads 2\
'''.format(**locals())
		print(t + "...")
		#print(cmd)
		shell( cmd )
		print(" : ENCODED")

	print("All file encoded.")

#-b:v 30M

if __name__ == "__main__" :
	main()