# OpenCV Webcam Script v0.3 # 创建人：曾逸夫 # 创建时间：2022-01-08 import cv2 from pathlib import Path import argparse import time import glob import os import sys from utils.ows_path import increment_path from utils.hotkeyjudge import hotkey_judge from utils.frame_opt import frame_opt from utils.log import is_logSuffix, log_management def parse_args(known=False): parser = argparse.ArgumentParser(description='OpenCV Webcam Script v0.3') parser.add_argument('--device', '-dev', default='0', type=str, help='device index for webcam, 0 or rtsp') parser.add_argument('--quit', '-q', default="q", type=str, help='quit key for webcam') parser.add_argument('--is_autoSaveFrame', '-isasf', action='store_true', help='is auto save frame') parser.add_argument('--is_handSaveFrame', '-ishsf', action='store_true', help='is hand save frame') parser.add_argument('--is_resizeFrame', '-isrf', action='store_true', help='is resize frame') parser.add_argument('--frame_saveDir', '-fsd', default="./WebcamFrame", type=str, help='save frame dir') parser.add_argument('--frame_dirName', '-fdn', default="frames", type=str, help='save frame dir name') parser.add_argument('--frame_nSave', '-fns', default=1, type=int, help='n frames save a frame (auto save frame)') parser.add_argument('--frame_capKey', '-fck', default="a", type=str, help='frame capture key (hand save frame)') parser.add_argument('--resize_frame', '-rf', default=[640, 480], type=int, nargs='+', help='resize frame save') parser.add_argument('--resizeRatio_frame', '-rrf', default=1.0, type=float, help='resize ratio frame save') parser.add_argument('--frame_namePrefix', '-fnp', default="frame", type=str, help='frame name prefix') parser.add_argument('--frame_saveStyle', '-fss', default="jpg", type=str, help='frame save style') parser.add_argument('--jpg_quality', '-jq', default=95, type=int, help='frame save jpg quality (0-100) default 95') parser.add_argument('--png_quality', '-pq', default=3, type=int, help='frame save jpg quality (0-9) default 3') parser.add_argument('--pause', '-p', default="p", type=str, help='webcam pause') parser.add_argument('--auto_frameNum', '-afn', default=0, type=int, help='auto save number of frames') # 日志 parser.add_argument('--logName', '-ln', default="test.log", type=str, help='log save name') parser.add_argument('--logMode', '-lm', default="a", type=str, help='log write mode') args = parser.parse_known_args()[0] if known else parser.parse_args() return args # Webcam OpenCV def webcam_opencv(device_index=0, quit_key="q", pause_key="p", is_autoSaveFrame=False, frame_saveDir="./WebcamFrame", frame_dirName="frames", frame_nSave=1, auto_frameNum=0, is_handSaveFrame=False, frame_capKey="a", is_resizeFrame=False, resize_frame=[640, 480], resizeRatio_frame=1.0, frame_namePrefix="frame", frame_saveStyle="jpg", jpg_quality=95, png_quality=3, logName="test.log", logMode="a"): keyList = [quit_key, frame_capKey, pause_key] # 快捷键列表 hotkey_judge(keyList) # 快捷键冲突判断 # 日志文件 is_logSuffix(logName) # 检测日志格式 logTime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) # 日志时间 log_management(f'{logTime}\n', logName, logMode) # 记录日志时间 # ------------------程序开始------------------ s_time = time.time() # 起始时间 dev_index = eval(device_index) if device_index.isnumeric( ) else device_index # 设备选择 (usb 0,1,2; rtsp) cap = cv2.VideoCapture(dev_index) # 设备连接 is_capOpened = cap.isOpened() # 判断摄像头是否正常启动 if is_capOpened: # 设备连接成功 print(f'摄像头连接成功！') bufferSize = cap.get(cv2.CAP_PROP_BUFFERSIZE) # cap.set(cv2.CAP_PROP_BUFFERSIZE,10) # 1-10 frame_width = cap.get(3) # 帧宽度 frame_height = cap.get(4) # 帧高度 fps = cap.get(5) # 帧率 print(f'宽度：{frame_width}, 高度：{frame_height}， FPS：{fps}， 缓存数：{bufferSize}') # cap.set(cv2.CAP_PROP_FRAME_WIDTH, 1920) # cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1080) frame_savePath = "" # 保存路径 if is_autoSaveFrame or is_handSaveFrame: # 帧保存路径管理 frame_savePath = increment_path( Path(f"{frame_saveDir}") / frame_dirName, exist_ok=False) # 增量运行 frame_savePath.mkdir(parents=True, exist_ok=True) # 创建目录 frame_num = 0 # 帧数 ows_version = 'OpenCV Webcam Script v0.3' # 版本号 while(cap.isOpened()): wait_key = cv2.waitKey(20) & 0xFF # 键盘监听 ret, frame = cap.read() # 捕获画面 frame_num += 1 # 帧计数 print(f'帧ID：{frame_num}') # 输出信息 cv2.imshow(ows_version, frame) # 显示画面 if (is_autoSaveFrame): # 自动保存 if (auto_frameNum > 0 and frame_num > auto_frameNum): # 设置自动最大保存帧数 break if (frame_num % frame_nSave == 0): # 每隔n帧保存一次 frame_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, resizeRatio_frame, frame_namePrefix, frame_saveStyle, jpg_quality, png_quality) if (is_handSaveFrame): # 手动保存 if wait_key == ord(frame_capKey): # 保存键 frame_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, resizeRatio_frame, frame_namePrefix, frame_saveStyle, jpg_quality, png_quality) if wait_key == ord(quit_key): # 退出 ord：字符转ASCII码 break if wait_key == ord(pause_key): print(f'已暂停！按任意键继续。。。') cv2.waitKey(0) # 暂停，按任意键继续 if (frame_savePath != ""): frameSaveMsg = f'共计{frame_num}帧，已保存在：{frame_savePath}' print(frameSaveMsg) log_management(f'{frameSaveMsg}\n', logName, logMode) # 记录帧保存信息 cap.release() # 释放缓存资源 cv2.destroyAllWindows() # 删除所有窗口 else: # 连接设备失败 print(f'摄像头连接异常！') # ------------------程序结束------------------ print(f'程序结束！') e_time = time.time() # 终止时间 outTimeMsg = f'用时：{round((e_time - s_time), 3)}秒, {round((e_time - s_time)/60, 3)}分, {round((e_time - s_time)/3600, 3)}小时' print(outTimeMsg) log_management(f'{outTimeMsg}\n', logName, logMode) # 记录用时 def main(args): device_index = args.device quit_key = args.quit is_autoSaveFrame = args.is_autoSaveFrame is_handSaveFrame = args.is_handSaveFrame frame_saveDir = args.frame_saveDir frame_dirName = args.frame_dirName frame_nSave = args.frame_nSave frame_capKey = args.frame_capKey resize_frame = args.resize_frame is_resizeFrame = args.is_resizeFrame resizeRatio_frame = args.resizeRatio_frame frame_namePrefix = args.frame_namePrefix frame_saveStyle = args.frame_saveStyle jpg_quality = args.jpg_quality png_quality = args.png_quality pause_key = args.pause auto_frameNum = args.auto_frameNum logName = args.logName logMode = args.logMode # 调用webcam opencv webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_saveDir, frame_dirName, frame_nSave, auto_frameNum, is_handSaveFrame, frame_capKey, is_resizeFrame, resize_frame, resizeRatio_frame, frame_namePrefix, frame_saveStyle, jpg_quality, png_quality, logName, logMode) if __name__ == '__main__': args = parse_args() main(args)