tuoheng_alg_move_20240715/test/ffmpeg2.py

import subprocess as sp
from PIL import Image
import time
import cv2
import oss2
import numpy as np
# 推流
if __name__== "__main__":

    cap = cv2.VideoCapture(r"https://vod.play.t-aaron.com/customerTrans/14d44756fa6d37db17008d98bdee3558/18ac4fa7-18369b0e703-0004-f90c-f2c-7ec68.mp4")

    # Get video information
    fps = int(cap.get(cv2.CAP_PROP_FPS))
    print(fps)
    width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
    print(width)
    height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
    print(height)
    # ffmpeg command
    # command = ['D:/百度下载/ffmpeg-20200831-4a11a6f-win64-static/bin/ffmpeg.exe',
    #            '-y', # 不经过确认，输出时直接覆盖同名文件。
    #            '-f', 'rawvideo',
    #            '-vcodec','rawvideo',
    #            '-pix_fmt', 'bgr24',
    #             '-s', "{}x{}".format(width, height),
    #            # '-s', "{}x{}".format(1280, 720),
    #            '-i', '-', # 指定输入文件
    #            '-c:v', 'libx264', # 指定视频编码器
    #            '-pix_fmt', 'yuv420p',
    #            '-r', '15',
    #             '-g', '15',
    #             "-an",
    #             '-b:v', '3000k',
    #            '-preset', 'ultrafast', # 指定输出的视频质量，会影响文件的生成速度，有以下几个可用的值 ultrafast,
    #                                 # superfast, veryfast, faster, fast, medium, slow, slower, veryslow。
    #            '-f', 'flv',
    #            "rtmp://live.push.t-aaron.com/live/THSAk"]

    # # 管道配置
    # p = sp.Popen(command, stdin=sp.PIPE, shell=False)
    while(cap.isOpened()):
        start =time.time()
        # ret, frame = cap.read()
        cap.grab()
        print(time.time()-start)
        # if not ret:
        #     print("Opening camera is failed")
        #     break
        # p.stdin.write(frame.tostring())