youkuvideos

#!/usr/bin/env python
# -*- coding: gbk -*-
import urllib,urllib2,sys,os
from BeautifulSoup import BeautifulSoup
import itertools,re
import cv2  
import numpy as np
from PIL import Image 
url_i =1
pic_num = 1
global personnum
personnum=0
pt=[]
global gimg1
global gimg2 
global start
global end
global ntrackbarValue
personcapimgpath=r'F:\Proj\20150821\youku\videos\\'
cap = cv2.VideoCapture(r'F:\Proj\20150821\youku\videos\fast.flv')
length = int(cap.get(cv2.cv.CV_CAP_PROP_FRAME_COUNT))
imgsavename=[]
imgsavepath=[]
personnum=0
def on_mouse(event, x, y, flags, param):

    # we will use the global pt and add_remove_pt   
      
    if (event==cv2.EVENT_RBUTTONDBLCLK):
        # user has click, so memorize it
        #pt.append((x, y))
        #pt.append([x/300,x,y])
       # myperson=personnum

        global personnum,personcapimgpath,cap,end,start,numse,ntrackbarValue
        if(start>=end):
            start=end-20
            if(start<0):
                start=0
            cv2.setTrackbarPos('start','mywindow',start)
        start=cv2.getTrackbarPos('start','mywindow')
        end   = cv2.getTrackbarPos('end','mywindow')
        cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES,ntrackbarValue)
        err,img = cap.read()   
        cv2.imshow("mywindow", img) 
        personcapimgpath=r'F:\Proj\20150821\youku\videos\\'
        personnum=personnum+1
        personcapimgpath=personcapimgpath+str(personnum)+'\\'
       # personnum=personnum+1
        while(os.path.exists(personcapimgpath)==1):
            personnum=personnum+1
            personcapimgpath=r'F:\Proj\20150821\youku\videos\\'
            personcapimgpath=personcapimgpath+str(personnum)+'\\'  
        if(os.path.exists(personcapimgpath)!=1):
            os.mkdir(personcapimgpath)  
        numse=start 
        while cap.isOpened():
            err,img = cap.read()
            numse=numse+1
            newimagename=personcapimgpath+str(numse)+'.jpg'
            cv2.imwrite(newimagename,img)
            if cap.get(cv2.cv.CV_CAP_PROP_POS_FRAMES) >= end:
                break
            cv2.imshow("xxxwindows", img)
            k = cv2.waitKey(10) & 0xff
            if k==27:
                break
        #gimg2=gimg1.copy()
       # print pt
    #if (event==cv2.EVENT_MOUSEMOVE):
            # user has click, so memorize it
        #char temp[16];  
        #sprintf(temp,"(%d,%d)",pt.x,pt.y);
        #cv2.copy(gimg1,gimg2)
        #gimg2=gimg1.copy()
        #gimg2=gimg1.copy()#important
        #temp=str(x)+','+str(y)
        #print temp
        #cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2
        #cv2.putText(gimg2,temp, (x,y), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2);
       # cv2.putText(gimg2,temp, (x,y), cv2.FONT_HERSHEY_SIMPLEX,0.5,(0, 255, 255),2) 
        #cv2.circle( gimg2, (x,y), 2,(255,0,0,0) ,1)
        #cv2.circle( gimg2, (x,y), 2,(255,0,0,0) )  
        #cv2.imshow("Image", gimg2 );    
#自己定义的引号格式转换函数
def _en_to_cn(str):
    obj = itertools.cycle(['“','”'])
    _obj = lambda x: obj.next()
    return re.sub(r"['\"]",_obj,str)

if __name__ == '__main__':


    #下载连续3个网页的视频
    #while url_i <= 3:
    #    webContent = urllib2.urlopen("http://news.youku.com/focus/index/_page26716_" + str(url_i) + ".html")
    #    data = webContent.read()
    #    #利用BeautifulSoup读取视频列表网页数据
    #    soup = BeautifulSoup(data)
    #    print "-------------------------Page " + str(url_i) + "-------------------------"
    #    #获得相应页面的视频thumbnail和title的list
    #    tag_list_thumb = soup.findAll('li','v_thumb')
    #    tag_list = soup.findAll('li', "v_title")
    #    for item in tag_list:
    #        #通过每个thumbnail中的herf导向视频播放页面
    #        web_video_play = urllib2.urlopen(item.a['href'])
    #        data_vp = web_video_play.read()
    #        #利用BeautifulSoup读取视频播放网页数据
    #        soup_vp = BeautifulSoup(data_vp)
    #        #找到“下载”对应的链接
    #        tag_vp_list = soup_vp.findAll('a', id = 'fn_download')
    #        for item_vp in tag_vp_list:
    #            #将下载链接保存到url_dw中
    #            url_dw = '"' + item_vp['_href'] + '"'
    #            print item.a['title'] + ": " + url_dw
    #            #调用命令行运行iku下载视频，需将iku加入环境变量
    #            os.system("iku " + url_dw)
    #    #保存每个视频的thumbnail
    #    for item_thumb in tag_list_thumb:
    #        urllib.urlretrieve(item_thumb.img['src'], "E:\\下载视频\\thumbnails\\" + str(pic_num) + "." +
    #                           _en_to_cn(item_thumb.img['title']) + ".jpg")
    #        pic_num += 1
    #    print "--------------------------------------------------------------"
    #    print "--------Page " + str(url_i) + "'s video thumbnails have  been saved!"
    #    url_i += 1

  
    videoCapture = cv2.VideoCapture(r'F:\Proj\20150821\youku\videos\fast.flv')  
  
#获得码率及尺寸  
    #fps = videoCapture.get(cv2.cv.CV_CAP_PROP_FPS)  
    #size = (int(videoCapture.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH)), int(videoCapture.get(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT))) 
    #success, frame = videoCapture.read()  
    #success, frame = videoCapture.read()  
    #cv2.imshow("Oto Video", frame)
    cv2.namedWindow('mywindow')
    cv2.cv.SetMouseCallback("mywindow",on_mouse,0)
   # cv2.waitKey()
    #cap.set(cv2.CAP_PROP_POS_FRAMES,400)
    def onChange(trackbarValue):
        global start ,end,numse,ntrackbarValue
        cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES,trackbarValue)
        err,img = cap.read()
        ntrackbarValue=trackbarValue      
        cv2.imshow("mywindow", img)
        start = cv2.getTrackbarPos('start','mywindow')
        end   = cv2.getTrackbarPos('end','mywindow')
     
         
        print start,end
       # if start >= end:
            #raise Exception("start must be less than end")
            #start=end-20
            #if(start<0):
            #    start=0
        numse=start;
        pass

 
    cv2.createTrackbar( 'start', 'mywindow', 0, length, onChange )
    cv2.createTrackbar( 'end'  , 'mywindow', 100, length, onChange )
   
    onChange(0)
    cv2.waitKey()
    
    start = cv2.getTrackbarPos('start','mywindow')
    end   = cv2.getTrackbarPos('end','mywindow')
    print start,end
    if start >= end:
        raise Exception("start must be less than end")
    numse=start;
    cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES,start)
    while cap.isOpened():
        err,img = cap.read()
        numse=numse+1
        newimagename=personcapimgpath+str(numse)+'.jpg'
        cv2.imwrite(newimagename,img)
        if cap.get(cv2.cv.CV_CAP_PROP_POS_FRAMES) >= end:
            break
        cv2.imshow("mywindows", img)
        k = cv2.waitKey(10) & 0xff
        if k==27:
            break
    videoCapture = cv2.VideoCapture(r'F:\Proj\20150821\youku\videos\fast.flv')  
  
#获得码率及尺寸  
    fps = videoCapture.get(cv2.cv.CV_CAP_PROP_FPS)  
    size = (int(videoCapture.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH)), int(videoCapture.get(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT))) 
    success, frame = videoCapture.read()  
  
    while success :  
        cv2.imshow("Oto Video", frame) #显示
        gimg1=frame  
        cv2.waitKey(1000/int(fps)) #延迟  
      #  videoWriter.write(frame) #写视频帧  
        success, frame = videoCapture.read() #获取下一帧