02. 캡쳐 및 녹화 관련

• ASCII Table

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영상이나 이미지를 캡쳐하거나 녹화하기 위해 사용합니다. 영상이나 이미지를 연속적 또는 순간적으로 캡쳐하거나 녹화할 수 있습니다.

FourCC

Four Character Code: 디지털 미디어 포맷 코드입니다. 즉, 코덱의 인코딩 방식

CVID, Default, DIB, DIVX, H261, H263, H264, IV32, IV41, IV50, IYUB, MJPG, MP42, 
MP43, MPG4, MSVC, PIM1, Prompt, XVI

import datetime
import cv2

capture = cv2.VideoCapture("kara.mp4")
fourcc = cv2.VideoWriter_fourcc(*'XVID')
record = False

while True:
  if (capture.get(cv2.CAP_PROP_POS_FRAMES) == capture.get(cv2.CAP_PROP_FRAME_COUNT)):
    capture.open("/Image/Star.mp4")
  
  ret, frame = capture.read()
  cv2.imshow("VideoFrame", frame)

  now = datetime.datetime.now().strftime("%d_%H-%M-%S")
  key = cv2.waitKey(33)

  if key == 27:
    break
  elif key == 26:
    print("캡쳐")
    cv2.imwrite("D:/" + str(now) + ".png", frame)
  elif key == 24:
    print("녹화 시작")
    record = True
    video = cv2.VideoWriter("D:/" + str(now) + ".avi", fourcc, 20.0, (frame.shape[1], frame.shape[0]))
  elif key == 3:
    print("녹화 중지")
    record = False
    video.release()

  if record == True:
    print("녹화 중..")
    video.write(frame)

capture.release()
cv2.destroyAllWindows()

키코드값: 27 = ESC, 26 = Ctrl+Z, 24 = Ctrl+X, 3 = Ctrl+C

ASCII Table

DEC	HEX	OCT	Char
0	00	000	Ctrl+@ NUL
1	01	001	Ctrl+A SOH
2	02	002	Ctrl+B STX
3	03	003	Ctrl+C ETX
4	04	004	Ctrl+D EOT
5	05	005	Ctrl+E ENQ
6	06	006	Ctrl+F ACK
7	07	007	Ctrl+G BEL
8	08	010	Ctrl+H BS
9	09	011	Ctrl+I HT
10	0A	012	Ctrl+J LF
11	0B	013	Ctrl+K VT
12	0C	014	Ctrl+L FF
13	0D	015	Ctrl+M CR
14	0E	016	Ctrl+N SO
15	0F	017	Ctrl+O SI
16	10	020	Ctrl+P DLE
17	11	021	Ctrl+Q DC1
18	12	022	Ctrl+R DC2
19	13	023	Ctrl+S DC3
20	14	024	Ctrl+T DC4
21	15	025	Ctrl+U NAK
22	16	026	Ctrl+V SYN
23	17	027	Ctrl+W ETB
24	18	030	Ctrl+X CAN
25	19	031	Ctrl+Y EM
26	1A	032	Ctrl+Z SUB
27	1B	033	Ctrl+[ ESC
28	1C	034	Ctrl+\ FS
29	1D	035	Ctrl+] GS
30	1E	036	Ctrl+^ RS
31	1F	037	Ctrl+_ US
32	20	040	Space
33	21	041	!
34	22	042	"
35	23	043	#
36	24	044	$
37	25	045	%
38	26	046	&
39	27	047	'
40	28	050	(
41	29	051	)
42	2A	052	*
43	2B	053	+
44	2C	054	,
45	2D	055	-
46	2E	056	.
47	2F	057	/
48	30	060	0
49	31	061	1
50	32	062	2
51	33	063	3
52	34	064	4
53	35	065	5
54	36	066	6
55	37	067	7
56	38	070	8
57	39	071	9
58	3A	072	:
59	3B	073	;
60	3C	074	<
61	3D	075	=
62	3E	076	>
63	3F	077	?
64	40	100	@
65	41	101	A
66	42	102	B
67	43	103	C
68	44	104	D
69	45	105	E
70	46	106	F
71	47	107	G
72	48	110	H
73	49	111	I
74	4A	112	J
75	4B	113	K
76	4C	114	L
77	4D	115	M
78	4E	116	N
79	4F	117	O
80	50	120	P
81	51	121	Q
82	52	122	R
83	53	123	S
84	54	124	T
85	55	125	U
86	56	126	V
87	57	127	W
88	58	130	X
89	59	131	Y
90	5A	132	Z
91	5B	133	[
92	5C	134	\
93	5D	135	]
94	5E	136	^
95	5F	137	_
96	60	140	`
97	61	141	a
98	62	142	b
99	63	143	c
100	64	144	d
101	65	145	e
102	66	146	f
103	67	147	g
104	68	150	h
105	69	151	i
106	6A	152	j
107	6B	153	k
108	6C	154	l
109	6D	155	m
110	6E	156	n
111	6F	157	o
112	70	160	p
113	71	161	q
114	72	162	r
115	73	163	s
116	74	164	t
117	75	165	u
118	76	166	v
119	77	167	w
120	78	170	x
121	79	171	y
122	7A	172	z
123	7B	173	{
124	7C	174	|
125	7D	175	}
126	7E	176	~
127	7F	177	DEL

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