Files
MPKFNet/rtsp_process_wjx.py
2021-09-15 11:33:58 +08:00

266 lines
9.8 KiB
Python
Executable File

# -*- coding:utf-8 -*-
import cv2
import time
import redis
import queue
import sys
import threading
from logger import cusLogger
r_db = None
log = cusLogger("rtsp_process").getLogger()
class jpgSaveThread(threading.Thread):
def __init__(self,invoker,prefix, filePath, fps, frameSize, dQueue):
threading.Thread.__init__(self)
self.invoker = invoker
# 存储文件前缀
self.prefix = prefix
# 存储路径
self.filePath = filePath
# 帧率
self.fps = fps
# 帧大小(width,height)
self.frameSize = frameSize
self.dQueue = dQueue
log.debug(self.invoker + '——视频片段存储')
def run(self):
log.debug(self.invoker + "-BEGIN" + str(time.time()))
# 这里采用h264编码
fourcc = cv2.VideoWriter_fourcc(*"X264")
# 命名里不要使用不允许的字符,
fname = self.filePath + self.prefix + time.strftime("%Y%m%d%H%M%S", time.localtime()) + '.mp4'
out = cv2.VideoWriter(fname, fourcc, self.fps, self.frameSize)
while not self.dQueue.empty():
try:
frame = self.dQueue.get()
#print(frame.size)
#out.write(frame)
cv2.imwrite('./img/' + time.strftime("%Y%m%d%H%M%S", time.localtime()) + '.jpg', frame)
except Exception as e:
log.info(e)
# out.release()
# out = None
log.debug(self.invoker + "-END" + str(time.time()))
class videoSaveThread(threading.Thread):
def __init__(self, invoker, prefix, filePath, fps, video, frameSize, dQueue, queueSize):
threading.Thread.__init__(self)
self.invoker = invoker
# 存储文件前缀
self.prefix = prefix
# 存储路径
self.filePath = filePath
# 帧率
self.fps = fps
# 传入缓存队列
self.dQueue = dQueue
self.queueSize = queueSize # 缓存队列大小
self.frameSize = frameSize # frame帧尺寸
# 传入cv2videowriter对象
self.out = video
log.debug(self.invoker + '——视频片段存储')
def run(self):
framecount = 0
log.debug(self.invoker + "-BEGIN" + str(time.time()))
# # 这里采用h264编码
# fourcc = cv2.VideoWriter_fourcc(*"MP4V")
# # 命名里不要使用不允许的字符,
# fname = self.filePath + self.prefix + time.strftime("%Y%m%d%H%M%S", time.localtime()) + '.mp4'
# out = cv2.VideoWriter(fname, fourcc, self.fps, self.frameSize)
# while not self.dQueue.empty():
# try:
# frame = self.dQueue.get()
# #print(frame.size)
# out.write(frame)
# except Exception as e:
# log.info(e)
# out.release()
# out = None
# log.debug(self.invoker + "-END" + str(time.time()))
while framecount < self.queueSize:
try:
if(self.dQueue.empty()):
print("kong")
else:
frame = self.dQueue.get()
#print(frame.size)
frame = cv2.resize(frame, self.frameSize)
self.out.write(frame)
framecount += 1
#print(count)
except Exception as e:
log.info(e)
# out.release()
# out = None
# log.debug(self.invoker + "-END" + str(time.time()))
class rtspThread(threading.Thread):
def __init__(self, thName, rtspUrl, prefix, filePath, fps, frameSize, queueSize, timer, eventKey, eventValue):
threading.Thread.__init__(self)
# name
self.thName = thName
# rtsp流地址
self.rtspUrl = rtspUrl
# 帧率
self.fps = fps
# 帧大小(width,height)
self.frameSize = frameSize
# 存储队列大小,fps * 10秒
self.queueSize = queueSize
# 总视频帧数 = fps * 存储时间
self.sumframesize = fps * timer
# redis的key
self.eventKey = eventKey
# key对应的value
self.eventValue = eventValue
# 存储文件前缀
self.prefix = prefix
# 存储路径
self.filePath = filePath
# 存储视频帧大小
self.videoframesize = (1920, 1080)
# cv2writer对象
self.video = None
def run(self):
# 视频缓存队列
videoSaveQueue = [queue.Queue(self.queueSize), queue.Queue(self.queueSize)]
# 图片缓存队列
jpgSaveQueue = [queue.Queue(self.queueSize), queue.Queue(self.queueSize)]
# 队列索引编号
curQueueIdx = 0
# 错误标志位
closed = False
# 错误计数
failCnt = 0
#存视频标志
saveFlag = False
# 视频段落计数
sectionCnt = 0
# 获取cap对象
cap = cv2.VideoCapture(self.rtspUrl)
winName = self.rtspUrl + "_" + str(time.time())
while True:
if cap.isOpened():
res, reframe = cap.read()
if res:
closed = False
failCnt = 0
frame = reframe
cv2.namedWindow(winName, flags=cv2.WINDOW_FREERATIO)
cv2.imshow(winName, frame)
cv2.waitKey(10)
else:
failCnt += 1
if(failCnt >= 15):
closed = True
# try:
# if not videoSaveQueue[curQueueIdx].full():
# videoSaveQueue[curQueueIdx].put(frame)
# except:
# pass
try:
if jpgSaveQueue[curQueueIdx].full():
jpgSaveQueue[curQueueIdx].get_nowait()
jpgSaveQueue[curQueueIdx].put_nowait(frame)
except:
pass
if (r_db.exists(self.eventKey) and int(r_db.get(self.eventKey)) == self.eventValue):
# 删除键值
r_db.delete(self.eventKey)
# 存储标志位
saveFlag = True
# 这里采用h264编码
fourcc = cv2.VideoWriter_fourcc(*"MP4V")
# 命名里不要使用不允许的字符,
fname = self.filePath + self.prefix + time.strftime("%Y%m%d%H%M%S", time.localtime()) + '.mp4'
# 创建cv2video对象
out = cv2.VideoWriter(fname, fourcc, self.fps, self.videoframesize)
self.video = out
if saveFlag:
try:
if not videoSaveQueue[curQueueIdx].full():
videoSaveQueue[curQueueIdx].put(frame)
else:
print(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
print(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
# 存视频
videoSaveProc = videoSaveThread(self.thName, self.prefix, self.filePath, self.fps,
self.video, self.videoframesize,
videoSaveQueue[curQueueIdx], self.queueSize)
videoSaveProc.start()
sectionCnt += 1
# 存图
# jpgSaveSaveProc = jpgSaveThread(self.thName, self.prefix, self.filePath, self.fps,
# self.frameSize, jpgSaveQueue[curQueueIdx])
# jpgSaveSaveProc.start()
# 切换缓存队列
curQueueIdx = (curQueueIdx + 1) % 2
except:
pass
if sectionCnt <= int(self.sumframesize/self.queueSize):
pass
else:
# 释放资源
saveFlag = False
sectionCnt = 0
self.video.release()
self.video = None
log.debug(self.prefix + "-END" + str(time.time()))
else:
closed = True
if closed:
# 休眠10秒钟 重连
log.info("reconnect: " + self.rtspUrl)
time.sleep(5)
cap.open(self.rtspUrl)
if __name__ == '__main__':
r_db = redis.StrictRedis(host='localhost', port=6379, db=0)
#r_db.set('key', 1)
try:
# 如果有多个流要同时取存,可以创建多个线程
thread1 = rtspThread("thread_vs",
"rtsp://admin:glodon123@192.168.116.13:554/Streaming/Channels/101",
# "e://2021-01-03-08-43-43.mp4",
"ch1_",
"",# 为空串时,默认保存在当前目录
25,
(3840, 2160),
50, # 25*6s=150,需要存30s,分5段存
30,
"key",
1)
thread1.start()
# thread2 = rtspThread("thread_ir",
# "rtsp://admin:12345@x.x.x./stream/main/ch2",
# "ch2_",
# "",# 为空串时,默认保存在当前目录
# 16,
# (1920, 1080),
# 150,
# "key",
# 2)
# thread2.start()
except Exception as e:
log.info(e)
cv2.destroyAllWindows()