278 lines
12 KiB
Python
278 lines
12 KiB
Python
# OpenCV Webcam Script v0.5
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# 创建人：曾逸夫
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# 创建时间：2022-01-25
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import cv2
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import sys
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import argparse
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import time
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from pathlib import Path
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from datetime import datetime
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from utils.ows_path import increment_path
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from utils.hotkey import hotkey_judge
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from utils.frame_opt import frame_opt
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from utils.log import is_logSuffix, log_management, date_time_frames
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from utils.args_yaml import argsYaml
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from utils.compress import webcam_compress, is_compressFile
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from utils.time_format import time_format
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from utils.plot import csv2chart
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from utils.fonts_opt import is_fonts
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ROOT_PATH = sys.path[0] # 项目根目录
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OWS_VERSION = 'OpenCV Webcam Script v0.5' # 版本号
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def parse_args(known=False):
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parser = argparse.ArgumentParser(description='OpenCV Webcam Script v0.5')
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parser.add_argument('--device', '-dev', default='0',
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type=str, help='device index for webcam, 0 or rtsp')
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parser.add_argument('--quit', '-q', default="q",
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type=str, help='quit key for webcam')
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parser.add_argument('--is_autoSaveFrame', '-isasf',
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action='store_true', help='is auto save frame')
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parser.add_argument('--is_handSaveFrame', '-ishsf',
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action='store_true', help='is hand save frame')
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parser.add_argument('--is_resizeFrame', '-isrf',
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action='store_true', help='is resize frame')
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parser.add_argument('--frame_saveDir', '-fsd',
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default="./WebcamFrame", type=str, help='save frame dir')
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parser.add_argument('--frame_dirName', '-fdn',
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default="frames", type=str, help='save frame dir name')
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parser.add_argument('--frame_nSave', '-fns', default=1,
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type=int, help='n frames save a frame (auto save frame)')
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parser.add_argument('--frame_capKey', '-fck', default="a",
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type=str, help='frame capture key (hand save frame)')
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parser.add_argument('--resize_frame', '-rf',
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default=[640, 480], type=int, nargs='+', help='resize frame save')
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parser.add_argument('--resizeRatio_frame', '-rrf',
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default=1.0, type=float, help='resize ratio frame save')
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parser.add_argument('--frame_namePrefix', '-fnp',
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default="frame", type=str, help='frame name prefix')
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parser.add_argument('--frame_saveStyle', '-fss',
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default="jpg", type=str, help='frame save style')
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parser.add_argument('--jpg_quality', '-jq',
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default=95, type=int, help='frame save jpg quality (0-100) default 95')
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parser.add_argument('--png_quality', '-pq',
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default=3, type=int, help='frame save jpg quality (0-9) default 3')
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parser.add_argument('--pause', '-p',
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default="p", type=str, help='webcam pause')
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parser.add_argument('--auto_frameNum', '-afn',
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default=0, type=int, help='auto save number of frames')
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# 日志
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parser.add_argument('--logName', '-ln',
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default="ows.log", type=str, help='log save name')
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parser.add_argument('--logMode', '-lm',
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default="a", type=str, help='log write mode')
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# 压缩
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parser.add_argument('--is_compress', '-isc',
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action='store_true', help='is compress file')
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parser.add_argument('--compressStyle', '-cs',
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default="zip", type=str, help='compress style')
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parser.add_argument('--is_autoCompressName', '-isacn',
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action='store_true', help='is auto compress name')
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parser.add_argument('--compressName', '-cn',
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default="ows", type=str, help='compress save name')
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parser.add_argument('--compressMode', '-cm',
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default="w", type=str, help='compress save mode, tar w:gz')
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args = parser.parse_known_args()[0] if known else parser.parse_args()
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return args
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# Webcam OpenCV
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def webcam_opencv(device_index="0",
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quit_key="q",
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pause_key="p",
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is_autoSaveFrame=False,
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frame_saveDir="./WebcamFrame",
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frame_dirName="frames",
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frame_nSave=1,
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auto_frameNum=0,
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is_handSaveFrame=False,
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frame_capKey="a",
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is_resizeFrame=False,
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resize_frame=[640, 480],
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resizeRatio_frame=1.0,
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frame_namePrefix="frame",
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frame_saveStyle="jpg",
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jpg_quality=95,
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png_quality=3,
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logName="ows.log",
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logMode="a",
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is_compress=False,
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compressStyle="zip",
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is_autoCompressName=False,
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compressName="ows",
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compressMode="w"):
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keyList = [quit_key, frame_capKey, pause_key] # 快捷键列表
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hotkey_judge(keyList) # 快捷键冲突判断
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# 日志文件
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is_logSuffix(logName) # 检测日志格式
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logTime = f'{datetime.now():%Y-%m-%d %H:%M:%S}' # 日志时间
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log_management(f'{logTime}\n', logName, logMode) # 记录日志时间
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is_compressFile(compressStyle) # 检测压缩文件格式
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dev_index = eval(device_index) if device_index.isnumeric(
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) else device_index # 设备选择 (usb 0,1,2; rtsp)
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cap = cv2.VideoCapture(dev_index) # 设备连接
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is_capOpened = cap.isOpened() # 判断摄像头是否正常启动
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if is_capOpened: # 设备连接成功
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# ------------------程序开始------------------
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s_time = time.time() # 起始时间
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print(f'摄像头连接成功！')
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bufferSize = cap.get(cv2.CAP_PROP_BUFFERSIZE)
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# cap.set(cv2.CAP_PROP_BUFFERSIZE,10) # 1-10
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frame_width = cap.get(3) # 帧宽度
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frame_height = cap.get(4) # 帧高度
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fps = cap.get(5) # 帧率
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print(f'宽度：{frame_width}, 高度：{frame_height}， FPS：{fps}， 缓存数：{bufferSize}')
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frame_savePath = "" # 保存路径
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if is_autoSaveFrame or is_handSaveFrame:
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# 帧保存路径管理
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frame_savePath = increment_path(
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Path(f"{frame_saveDir}") / frame_dirName, exist_ok=False) # 增量运行
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frame_savePath.mkdir(parents=True, exist_ok=True) # 创建目录
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frame_num = 0 # 总帧数
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frame_hand_num = 0 # 手动保存帧数
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frame_n_num = 0 # 每隔n帧保存一次
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while(is_capOpened):
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wait_key = cv2.waitKey(20) & 0xFF # 键盘监听
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_, frame = cap.read() # 捕获画面
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frame_num += 1 # 帧计数
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print(f'帧ID：{frame_num}') # 输出帧ID信息
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cv2.imshow(OWS_VERSION, frame) # 显示画面
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if (is_autoSaveFrame): # 自动保存
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if (auto_frameNum > 0 and frame_num > auto_frameNum):
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# 设置自动最大保存帧数
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frame_num -= 1 # 修复帧数显示问题
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break
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if (frame_num % frame_nSave == 0): # 每隔n帧保存一次
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frame_n_num += 1
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frame_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, resizeRatio_frame,
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frame_namePrefix, frame_saveStyle, jpg_quality, png_quality)
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elif (is_handSaveFrame): # 手动保存
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if wait_key == ord(frame_capKey): # 保存键
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frame_hand_num += 1 # 手动帧计数
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frame_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, resizeRatio_frame,
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frame_namePrefix, frame_saveStyle, jpg_quality, png_quality)
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if wait_key == ord(quit_key): # 退出 ord：字符转ASCII码
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break
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elif wait_key == ord(pause_key):
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print(f'已暂停！按任意键继续。。。')
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cv2.waitKey(0) # 暂停，按任意键继续
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if (is_autoSaveFrame):
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# 帧保存信息（自动版）
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if (frame_n_num != 0):
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frame_num = frame_n_num # 每隔n帧保存一次
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frameSaveMsg = f'自动版：共计{frame_num}帧，已保存在：{frame_savePath}'
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print(frameSaveMsg)
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log_management(f'{frameSaveMsg}\n', logName, logMode) # 记录帧保存信息
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date_time_frames(logTime, frame_num)
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elif (is_handSaveFrame):
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# 帧保存信息（手动版）
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frameSaveMsg = f'手动版：共计{frame_hand_num}帧，已保存在：{frame_savePath}'
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print(frameSaveMsg)
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log_management(f'{frameSaveMsg}\n', logName, logMode) # 记录帧保存信息
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date_time_frames(logTime, frame_hand_num)
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else:
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date_time_frames(logTime, 0) # 记录非帧保存状态
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cap.release() # 释放缓存资源
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cv2.destroyAllWindows() # 删除所有窗口
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# ------------------程序结束------------------
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print(f'程序结束！')
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e_time = time.time() # 终止时间
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total_time = e_time - s_time # 程序用时
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outTimeMsg = f'用时：{time_format(total_time)}' # 格式化时间格式，便于观察
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print(outTimeMsg)
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log_management(f'{outTimeMsg}\n', logName, logMode) # 记录用时
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# ------------------压缩文件------------------
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if (is_compress and (is_autoSaveFrame or is_handSaveFrame)):
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compress_msg = webcam_compress(compressStyle, is_autoCompressName,
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compressName, frame_savePath, compressMode)
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log_management(f'{compress_msg}\n', logName, logMode) # 记录用时
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# ------------------创建chart------------------
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is_fonts(f'{ROOT_PATH}/fonts') # 检查字体文件
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csv2chart("./date_time_frames.csv") # 创建日期-帧数图
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else: # 连接设备失败
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print(f'摄像头连接异常！')
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def main(args):
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device_index = args.device
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quit_key = args.quit
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is_autoSaveFrame = args.is_autoSaveFrame
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is_handSaveFrame = args.is_handSaveFrame
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frame_saveDir = args.frame_saveDir
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frame_dirName = args.frame_dirName
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frame_nSave = args.frame_nSave
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frame_capKey = args.frame_capKey
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resize_frame = args.resize_frame
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is_resizeFrame = args.is_resizeFrame
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resizeRatio_frame = args.resizeRatio_frame
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frame_namePrefix = args.frame_namePrefix
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frame_saveStyle = args.frame_saveStyle
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jpg_quality = args.jpg_quality
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png_quality = args.png_quality
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pause_key = args.pause
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auto_frameNum = args.auto_frameNum
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# 日志
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logName = args.logName
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logMode = args.logMode
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# 压缩
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is_compress = args.is_compress
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compressStyle = args.compressStyle
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is_autoCompressName = args.is_autoCompressName
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compressName = args.compressName
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compressMode = args.compressMode
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argsYaml(args) # 脚本参数
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# 调用webcam opencv
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webcam_opencv(device_index,
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quit_key,
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pause_key,
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is_autoSaveFrame,
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frame_saveDir,
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frame_dirName,
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frame_nSave,
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auto_frameNum,
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is_handSaveFrame,
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frame_capKey,
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is_resizeFrame,
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resize_frame,
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resizeRatio_frame,
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frame_namePrefix,
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frame_saveStyle,
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jpg_quality,
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png_quality,
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logName,
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logMode,
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is_compress,
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compressStyle,
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is_autoCompressName,
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compressName,
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compressMode)
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if __name__ == '__main__':
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args = parse_args()
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main(args)
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