mirror of
https://github.com/Steffo99/bbbdl.git
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79 lines
3.4 KiB
Python
79 lines
3.4 KiB
Python
import os
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from bs4 import BeautifulSoup
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import urllib
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#Base link to the lessons page
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edunovaLink = "https://davy04.edunova.it/presentation/"
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#Relative path to the slides video
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videoSuffix = "/deskshare/deskshare.webm"
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#Relative path to the presentation audio
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audioSuffix = "/video/webcams.mp4"
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#slides = "https://davy04.edunova.it/presentation/17d59e4eb742c498e605406fd441c1a2d7eb4bf0-1601024050226/shapes.svg"
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os.makedirs("VideoLezioni", exist_ok=True)
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os.chdir("VideoLezioni")
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#Dictionary containing the id of the saved lessons
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meetingsID = {
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'021020': '17d59e4eb742c498e605406fd441c1a2d7eb4bf0-1601628738707',
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'290920': '17d59e4eb742c498e605406fd441c1a2d7eb4bf0-1601380547311',
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'250920': '17d59e4eb742c498e605406fd441c1a2d7eb4bf0-1601024050226',
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'061020': '17d59e4eb742c498e605406fd441c1a2d7eb4bf0-1601984780753'
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}
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for (date, meetId) in meetingsID.items():
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if(os.path.exists(f"Gestione{date}joinedWithSlide.mp4")):
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continue
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#Assemblo il comando ffmpeg con i riferimenti web a video e audio della presentazione con id {meetId}
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downloadAndJoin = f"ffmpeg -i {edunovaLink}{meetId}{videoSuffix} -i {edunovaLink}{meetId}{audioSuffix} -map 0:v -map 1:a -c:v copy -shortest Gestione{date}joined.mp4"
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os.system(downloadAndJoin)
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svgSlide = urllib.request.urlopen(f"{edunovaLink}{meetId}/shapes.svg").read()
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soup = BeautifulSoup(svgSlide, 'html.parser')
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usefulImg = []
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for img in soup.find_all('image'):
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start = img.get('in')
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end = img.get('out')
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imgLink = img.get('xlink:href')
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if(not imgLink.endswith("deskshare.png")):
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usefulImg.append([float(start), float(end), imgLink])
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imgSorted = sorted(usefulImg)
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print(imgSorted)
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if(len(imgSorted)==0):
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os.rename(f"Gestione{date}joined.mp4", f"Gestione{date}joinedWithSlide.mp4")
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continue
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slideBase = f"{edunovaLink}{meetId}/"
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imgLinkList = ''
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imgScaleList = ''
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for l in imgSorted:
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imgLinkList += f"-i \"{slideBase}{l[2]}\" "
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for i in range(len(imgSorted)):
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imgScaleList += f"[{i+1}:v] scale=1280:720 [ol{i}]; "
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imgOverlayList = f"[0:v] [ol0] overlay=0:0:enable='between(t,{int(imgSorted[0][0])},{int(imgSorted[0][1])})' [olo0]; "
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for i in range(1, len(imgSorted)-1):
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imgOverlayList += f"[olo{i-1}] [ol{i}] overlay=0:0:enable='between(t,{int(imgSorted[i][0])},{int(imgSorted[i][1])})' [olo{i}]; "
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imgOverlayList += f"[olo{len(imgSorted)-1-1}] [ol{len(imgSorted)-1}] overlay=0:0:enable='between(t,{int(imgSorted[len(imgSorted)-1][0])},{int(imgSorted[len(imgSorted)-1][1])})'"
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#Informazioni di debug sulle immagini e sui momenti nei quali inserirle nel video
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print(imgLinkList)
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print(imgScaleList)
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print(imgOverlayList)
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#Comando di esempio di utilizzo di ffmpeg per incollare diverse immagini in diversi momenti su un video
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#ffmpeg -i Untitled.mp4 -i slide-1.png -i slide-2.png -filter_complex "[1:v] scale=640:480 [ol]; [2:v] scale=640:480 [ol2]; [0:v] [ol] overlay=0:0:enable='between(t,0,20)' [ol1]; [ol1] [ol2] overlay=0:0:enable='between(t, 30,40)'" -codec:a copy example_marked.mp4
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ffmpegCommand = f'ffmpeg -i Gestione{date}joined.mp4 {imgLinkList} -filter_complex "{imgScaleList}{imgOverlayList}" -codec:a copy Gestione{date}joinedWithSlide.mp4'
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os.system(ffmpegCommand)
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#Rimuovo il file intermedio senza slide
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os.remove(f"Gestione{date}joined.mp4")
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