Python编程实现小姐姐跳舞并生成词云视频示例

pip install you-get

you-get -o ~/Videos(存放视频路径) -O zoo.webm(视频命名) 'https://www.youtube.com/watch?v=jNQXAC9IVRw'

def download(video_url,save_path,video_name):
   '''
   youget 下载视频
   :param video_url:视频链接
   :param save_path: 保存路径
   :param video_name: 视频命名
   :return:
   '''
   cmd = 'you-get -o {} -O {} {}'.format(save_path,video_name,video_url)
   res = os.popen(cmd,)
   res.encoding = 'utf-8'
   print(res.read())# 打印输出

http://comment.bilibili.com/{cid}.xml # cid 为B站视频的cid 编号

http://comment.bilibili.com/291424805.xml

def download_danmu():
    '''弹幕下载并存储'''
    cid = '141367679'# video_id
    url = 'http://comment.bilibili.com/{}.xml'.format(cid)
    f = open('danmu.txt','w+',encoding='utf-8') #打开 txt 文件
    res = requests.get(url)
    res.encoding = 'utf-8'
    soup = BeautifulSoup(res.text,'lxml')
    items = soup.find_all('d')# 找到 d 标签
    for item in items:
        text = item.text
        print('---------------------------------'*10)
        print(text)
        seg_list = jieba.cut(text,cut_all =True)# 对字符串进行分词处理，方便后面制作词云图
        for j in seg_list:
            print(j)
            f.write(j)
            f.write('\n')
    f.close()

vc = cv2.VideoCapture(video_path)
    c =0
    if vc.isOpened():
        rval,frame = vc.read()# 读取视频帧
    else:
        rval=False
    while rval:
        rval,frame = vc.read()# 读取每一视频帧，并保存至图片中

        cv2.imwrite(os.path.join(Pic_path,'{}.jpg'.format(c)),frame)
        c += 1
        print('第 {} 张图片存放成功！'.format(c))

APP_ID = "23633750"
    API_KEY = 'uqnHjMZfChbDHvPqWgjeZHCR'
    SECRET_KEY = '************************************'
    client = AipBodyAnalysis(APP_ID, API_KEY, SECRET_KEY)
    # 文件夹
    jpg_file = os.listdir(jpg_path)
    # 要保存的文件夹
    for i in jpg_file:
        open_file = os.path.join(jpg_path,i)
        save_file = os.path.join(save_path,i)
        if not os.path.exists(save_file):#文件不存在时，进行下步操作
            img = cv2.imread(open_file)  # 获取图像尺寸
            height, width, _ = img.shape
            if crop_path:# 若Crop_path 不为 None,则不进行裁剪
                crop_file = os.path.join(crop_path,i)
                img = img[100:-1,300:-400] #图片太大，对图像进行裁剪里面参数根据自己情况设定
                cv2.imwrite(crop_file,img)
                image= get_file_content(crop_file)
            else:

                image = get_file_content(open_file)
            res = client.bodySeg(image)#调用百度API 对人像进行分割
            labelmap = base64.b64decode(res['labelmap'])
            labelimg = np.frombuffer(labelmap,np.uint8)# 转化为np数组 0-255
            labelimg = cv2.imdecode(labelimg,1)
            labelimg = cv2.resize(labelimg,(width,height),interpolation=cv2.INTER_NEAREST)
            img_new = np.where(labelimg==1,255,labelimg)# 将 1 转化为 255
            cv2.imwrite(save_file,img_new)
            print(save_file,'save successfully')

word_list = []
    with open('danmu.txt',encoding='utf-8') as f:
        con = f.read().split('\n')# 读取txt文本词云文本
        for i in con:
            if re.findall('[\u4e00-\u9fa5]+', str(i), re.S): #去除无中文的词频
                word_list.append(i)
    for i in os.listdir(mask_path):
        open_file = os.path.join(mask_path,i)
        save_file = os.path.join(cloud_path,i)
        if not os.path.exists(save_file):
            # 随机索引前 start 频率词
            start = random.randint(0, 15)
            word_counts = collections.Counter(word_list)
            word_counts = dict(word_counts.most_common()[start:])
            background = 255- np.array(Image.open(open_file))
            wc =WordCloud(
                background_color='black',
                max_words=500,
                mask=background,
                mode = 'RGB',
                font_path ="D:/Data/fonts/HGXK_CNKI.ttf",# 设置字体路径，用于设置中文,

            ).generate_from_frequencies(word_counts)
            wc.to_file(save_file)
            print(save_file,'Save Sucessfully!')

 num_list = [int(str(i).split('.')[0]) for i in os.listdir(origin_path)]
    fps = 24# 视频帧率，越大越流畅
    height,width,_=cv2.imread(os.path.join(origin_path,'{}.jpg'.format(num_list[0]))).shape # 视频高度和宽度
    width = width*2
    # 创建一个写入操作;
    video_writer = cv2.VideoWriter(video_path,cv2.VideoWriter_fourcc(*'mp4v'),fps,(width,height))
    for i in sorted(num_list):
        i = '{}.jpg'.format(i)
        ori_jpg = os.path.join(origin_path,str(i))
        word_jpg = os.path.join(wordart_path,str(i))
        # com_jpg = os.path.join(Composite_path,str(i))
        ori_arr = cv2.imread(ori_jpg)
        word_arr = cv2.imread(word_jpg)
        # 利用 Numpy 进行拼接
        com_arr = np.hstack((ori_arr,word_arr))
        # cv2.imwrite(com_jpg,com_arr)# 合成图保存
        video_writer.write(com_arr) # 将每一帧画面写入视频流中
        print("{} Save Sucessfully---------".format(ori_jpg))