mirror of
https://github.com/maciej3031/comixify.git
synced 2026-03-11 08:54:35 +00:00
57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
import os
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import uuid
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import cv2
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import pafy
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from django.conf import settings
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from django.core.files import File
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from django.db import models
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from api.exceptions import TooLargeFile
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from comic_layout.comic_layout import LayoutGenerator
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from keyframes.keyframes import KeyFramesExtractor
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from style_transfer.style_transfer import StyleTransfer
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from utils import jj
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class Video(models.Model):
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file = models.FileField(blank=False, null=False, upload_to="raw_videos")
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timestamp = models.DateTimeField(auto_now_add=True)
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def download_from_youtube(self, yt_url):
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yt_pafy = pafy.new(yt_url)
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# Use the biggest possible quality with file size < MAX_FILE_SIZE and resolution <= 480px
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for stream in yt_pafy.videostreams:
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if stream.get_filesize() < settings.MAX_FILE_SIZE and int(stream.quality.split("x")[1]) <= 480:
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tmp_name = uuid.uuid4().hex + ".mp4"
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relative_path = jj('raw_videos', tmp_name)
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full_path = jj(settings.MEDIA_ROOT, relative_path)
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stream.download(full_path)
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self.file.name = relative_path
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break
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else:
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raise TooLargeFile()
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def create_comic(self):
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keyframes = KeyFramesExtractor.get_keyframes(video=self)
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stylized_keyframes = StyleTransfer.get_stylized_frames(frames=keyframes)
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comic_image = LayoutGenerator.get_layout(frames=stylized_keyframes)
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return comic_image
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class Comic(models.Model):
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file = models.FileField(blank=False, null=False, upload_to="comic")
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video = models.ForeignKey(Video, on_delete=models.CASCADE, related_name="comic")
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@classmethod
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def create_from_nparray(cls, nparray_file, video):
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if nparray_file.max() <= 1:
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nparray_file = (nparray_file * 255).astype(int)
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tmp_name = uuid.uuid4().hex + ".png"
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cv2.imwrite(jj(settings.TMP_DIR, tmp_name), nparray_file)
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with open(jj(settings.TMP_DIR, tmp_name), mode="rb") as tmp_file:
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comic_image = File(tmp_file, name=tmp_name)
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comic = Comic.objects.create(file=comic_image, video=video)
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os.remove(jj(settings.TMP_DIR, tmp_name))
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return comic
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