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opencv_webcam
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set auto save max frames

This commit is contained in:
13339479676 2022-01-03 14:29:47 +08:00
parent 3259e7601b
commit cf05facede
2 changed files with 9 additions and 3 deletions
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11
opencv_webcam.py
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@ -43,7 +43,8 @@ def parse_args(known=False):
default=3, type=int, help='frame save jpg quality (0-9) default 3') default=3, type=int, help='frame save jpg quality (0-9) default 3')
parser.add_argument('--pause', '-p', parser.add_argument('--pause', '-p',
default="p", type=str, help='webcam pause') default="p", type=str, help='webcam pause')
parser.add_argument('--auto_frameNum', '-afn',
default=0, type=int, help='auto save number of frames')
args = parser.parse_known_args()[0] if known else parser.parse_args() args = parser.parse_known_args()[0] if known else parser.parse_args()
return args return args
@ -93,7 +94,7 @@ def frame_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, re
# Webcam OpenCV # Webcam OpenCV
def webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_saveDir, frame_nSave, is_handSaveFrame, def webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_saveDir, frame_nSave, auto_frameNum, is_handSaveFrame,
frame_capKey, is_resizeFrame, resize_frame, resizeRatio_frame, frame_namePrefix, frame_saveStyle, frame_capKey, is_resizeFrame, resize_frame, resizeRatio_frame, frame_namePrefix, frame_saveStyle,
jpg_quality, png_quality): jpg_quality, png_quality):
if (quit_key == frame_capKey): # 判断快捷键冲突 if (quit_key == frame_capKey): # 判断快捷键冲突
@ -127,6 +128,9 @@ def webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_sav
cv2.imshow(ows_version, frame) # 显示画面 cv2.imshow(ows_version, frame) # 显示画面
if (is_autoSaveFrame): # 自动保存 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 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_opt(frame, frame_savePath, frame_num, is_resizeFrame, resize_frame, resizeRatio_frame,
frame_namePrefix, frame_saveStyle, jpg_quality, png_quality) frame_namePrefix, frame_saveStyle, jpg_quality, png_quality)
@ -169,9 +173,10 @@ def main(args):
jpg_quality = args.jpg_quality jpg_quality = args.jpg_quality
png_quality = args.png_quality png_quality = args.png_quality
pause_key = args.pause pause_key = args.pause
auto_frameNum = args.auto_frameNum
# 调用webcam opencv # 调用webcam opencv
webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_saveDir, frame_nSave, webcam_opencv(device_index, quit_key, pause_key, is_autoSaveFrame, frame_saveDir, frame_nSave, auto_frameNum,
is_handSaveFrame, frame_capKey, is_resizeFrame, resize_frame, resizeRatio_frame, is_handSaveFrame, frame_capKey, is_resizeFrame, resize_frame, resizeRatio_frame,
frame_namePrefix, frame_saveStyle, jpg_quality, png_quality) frame_namePrefix, frame_saveStyle, jpg_quality, png_quality)

1
v02.md
View File

@ -14,6 +14,7 @@
- 视频帧重用名 - 视频帧重用名
- 保存格式（JPG、PNG） - 保存格式（JPG、PNG）
- 加入暂停键 - 加入暂停键
- 加入自动帧数设置
### BUG修复 ### BUG修复