如何在使用 django 保存时为视频文件添加水印

如何解决如何在使用 django 保存时为视频文件添加水印

我设法添加了水印，但是当我保存它时，它保存时没有水印。我需要在媒体中使用水印保存，而不是常见的无水印保存视频。 这是我的 MODEL.py

class Video(models.Model):
    title = models.CharField(max_length=100)
    slug = AutoSlugField(populate_from='title')
    photo = models.ImageField(upload_to='photo/%Y/%m/%d')
    video_uploaded = models.FileField(upload_to='video/%Y/%m/%d',blank=True,null=True)

这是我的view.py

def add_video(request):
    if request.method == "POST":
        form = VideoUploaderForm(
            data=request.POST,files=request.FILES,)
        if form.is_valid():
            obj = form.save(commit=False)
            vid = request.FILES['video_uploaded']
            clip = VideoFileClip(vid.temporary_file_path())
            # watermark
            video = VideoFileClip(clip.filename)
            logo = (ImageClip('faiklogo.png')
                    .set_duration(video.duration)
                    .resize(height=50)
                    .margin(right=8,top=8,opacity=0)
                    .set_pos(("center","bottom")))
            final_ = CompositeVideoClip([video,logo])
            final_.write_videofile('videwithwatermark.mp4')
            obj.save()
    else:
        form=VideoUploaderForm()
    return render(request,'firstapp/add_video.html',{"foenter code hererm": form})

这是我的form.py

class VideoUploaderForm(forms.ModelForm):
    class Meta:
        model = Video
        fields = '__all__'