path: root/tvapi/libtv/tv/CTvScreenCapture.h (plain)
blob: 7bbf57ef52d36ff7f7479e27c819aa9a6b6c0734

1	#ifndef CTVSCREENCAPTURE_H__
2	#define CTVSCREENCAPTURE_H__
3
4	#define VIDEOCAPDEV "/dev/amvideocap0"
5
6	#define AMVIDEOCAP_IOC_MAGIC 'V'
7	#include <linux/videodev2.h>
8	#include <binder/MemoryHeapBase.h>
9	#include <binder/MemoryBase.h>
10	#include "CTvLog.h"
11	#include "CTvEv.h"
12
13	#define CAP_FLAG_AT_CURRENT 0
14	#define CAP_FLAG_AT_TIME_WINDOW 1
15	#define CAP_FLAG_AT_END 2
16
17
18	#define FALSE 0
19	#define SUCCEED 0
20	#define FAILED -1
21
22	using namespace android;
23
24	struct buffer {
25	void *start;
26	size_t length;
27	};
28
29
30	struct camera {
31	char *device_name;
32	int fd;
33	int width;
34	int height;
35	int display_depth;
36	int image_size;
37	int frame_number; //fps
38	int bitrate ; // bitrate
39	struct v4l2_capability v4l2_cap;
40	struct v4l2_cropcap v4l2_cropcap;
41	struct v4l2_format v4l2_fmt;
42	struct v4l2_crop crop;
43	struct buffer *buffers;
44	};
45
46	/*
47	format see linux/ge2d/ge2d.h
48	like:
49	GE2D_FORMAT_S24_RGB
50	*/
51	#define ENDIAN_SHIFT 24
52	#define LITTLE_ENDIAN (1 << ENDIAN_SHIFT)
53	#define FMT_S24_RGB (LITTLE_ENDIAN|0x00200) /* 10_00_0_00_0_00 */
54	#define FMT_S16_RGB (LITTLE_ENDIAN|0x00100) /* 01_00_0_00_0_00 */
55	#define FMT_S32_RGBA (LITTLE_ENDIAN|0x00300) /* 11_00_0_00_0_00 */
56
57	#define COLOR_MAP_SHIFT 20
58	#define COLOR_MAP_MASK (0xf << COLOR_MAP_SHIFT)
59	/* 16 bit */
60	#define COLOR_MAP_RGB565 (5 << COLOR_MAP_SHIFT)
61	/* 24 bit */
62	#define COLOR_MAP_RGB888 (0 << COLOR_MAP_SHIFT)
63	#define COLOR_MAP_BGR888 (5 << COLOR_MAP_SHIFT)
64	/* 32 bit */
65	#define COLOR_MAP_RGBA8888 (0 << COLOR_MAP_SHIFT)
66	#define COLOR_MAP_ARGB8888 (1 << COLOR_MAP_SHIFT)
67	#define COLOR_MAP_ABGR8888 (2 << COLOR_MAP_SHIFT)
68	#define COLOR_MAP_BGRA8888 (3 << COLOR_MAP_SHIFT)
69
70	/*16 bit*/
71	#define FORMAT_S16_RGB_565 (FMT_S16_RGB | COLOR_MAP_RGB565)
72	/*24 bit*/
73	#define FORMAT_S24_BGR (FMT_S24_RGB | COLOR_MAP_BGR888)
74	#define FORMAT_S24_RGB (FMT_S24_RGB | COLOR_MAP_RGB888)
75	/*32 bit*/
76	#define FORMAT_S32_ARGB (FMT_S32_RGBA | COLOR_MAP_ARGB8888)
77	#define FORMAT_S32_ABGR (FMT_S32_RGBA | COLOR_MAP_ABGR8888)
78	#define FORMAT_S32_BGRA (FMT_S32_RGBA | COLOR_MAP_BGRA8888)
79	#define FORMAT_S32_RGBA (FMT_S32_RGBA | COLOR_MAP_RGBA8888)
80
81	#define AMVIDEOCAP_IOW_SET_WANTFRAME_FORMAT _IOW(AMVIDEOCAP_IOC_MAGIC, 0x01, int)
82	#define AMVIDEOCAP_IOW_SET_WANTFRAME_WIDTH _IOW(AMVIDEOCAP_IOC_MAGIC, 0x02, int)
83	#define AMVIDEOCAP_IOW_SET_WANTFRAME_HEIGHT _IOW(AMVIDEOCAP_IOC_MAGIC, 0x03, int)
84	#define AMVIDEOCAP_IOW_SET_WANTFRAME_TIMESTAMP_MS _IOW(AMVIDEOCAP_IOC_MAGIC, 0x04, u64)
85	#define AMVIDEOCAP_IOW_SET_WANTFRAME_WAIT_MAX_MS _IOW(AMVIDEOCAP_IOC_MAGIC, 0x05, u64)
86	#define AMVIDEOCAP_IOW_SET_WANTFRAME_AT_FLAGS _IOW(AMVIDEOCAP_IOC_MAGIC, 0x06, int)
87
88
89	#define AMVIDEOCAP_IOR_GET_FRAME_FORMAT _IOR(AMVIDEOCAP_IOC_MAGIC, 0x10, int)
90	#define AMVIDEOCAP_IOR_GET_FRAME_WIDTH _IOR(AMVIDEOCAP_IOC_MAGIC, 0x11, int)
91	#define AMVIDEOCAP_IOR_GET_FRAME_HEIGHT _IOR(AMVIDEOCAP_IOC_MAGIC, 0x12, int)
92	#define AMVIDEOCAP_IOR_GET_FRAME_TIMESTAMP_MS _IOR(AMVIDEOCAP_IOC_MAGIC, 0x13, int)
93
94
95	#define AMVIDEOCAP_IOR_GET_SRCFRAME_FORMAT _IOR(AMVIDEOCAP_IOC_MAGIC, 0x20, int)
96	#define AMVIDEOCAP_IOR_GET_SRCFRAME_WIDTH _IOR(AMVIDEOCAP_IOC_MAGIC, 0x21, int)
97	#define AMVIDEOCAP_IOR_GET_SRCFRAME_HEIGHT _IOR(AMVIDEOCAP_IOC_MAGIC, 0x22, int)
98
99
100	#define AMVIDEOCAP_IOR_GET_STATE _IOR(AMVIDEOCAP_IOC_MAGIC, 0x31, int)
101	#define AMVIDEOCAP_IOW_SET_START_CAPTURE _IOW(AMVIDEOCAP_IOC_MAGIC, 0x32, int)
102	#define AMVIDEOCAP_IOW_SET_CANCEL_CAPTURE _IOW(AMVIDEOCAP_IOC_MAGIC, 0x33, int)
103
104	#define AMVIDEOCAP_IOR_SET_SRC_X _IOR(AMVIDEOCAP_IOC_MAGIC, 0x40, int)
105	#define AMVIDEOCAP_IOR_SET_SRC_Y _IOR(AMVIDEOCAP_IOC_MAGIC, 0x41, int)
106	#define AMVIDEOCAP_IOR_SET_SRC_WIDTH _IOR(AMVIDEOCAP_IOC_MAGIC, 0x42, int)
107	#define AMVIDEOCAP_IOR_SET_SRC_HEIGHT _IOR(AMVIDEOCAP_IOC_MAGIC, 0x43, int)
108
109	enum amvideocap_state {
110	AMVIDEOCAP_STATE_INIT = 0,
111	AMVIDEOCAP_STATE_ON_CAPTURE = 200,
112	AMVIDEOCAP_STATE_FINISHED_CAPTURE = 300,
113	AMVIDEOCAP_STATE_ERROR = 0xffff,
114	};
115
116	class CTvScreenCapture {
117	public:
118	CTvScreenCapture();
119	~CTvScreenCapture();
120
121	int InitVCap(sp<IMemory> Mem);
122	int SetVideoParameter(int width, int height, int frame);
123	int VideoStart();
124	int GetVideoData( int *length);
125	int VideoStop();
126	int DeinitVideoCap();
127	int CapMediaPlayerVideoLayerOnly(int width, int height);
128	int CapOsdAndVideoLayer(int width, int height);
129	class CapEvent : public CTvEv {
130	public:
131	CapEvent(): CTvEv(CTvEv::TV_EVENT_HDMI_IN_CAP) {};
132	~CapEvent() {};
133
134	int mFrameNum;
135	int mFrameWide;
136	int mFrameHeight;
137	int mFrameSize;
138	};
139
140	class TvIObserver {
141	public:
142	TvIObserver() {};
143	virtual ~TvIObserver() {};
144	virtual void onTvEvent ( const CTvEv &ev ) = 0;
145	};
146
147	int setObserver(TvIObserver *ob)
148	{
149	mpObserver = ob;
150	return 0;
151	}
152
153	private:
154
155	int xioctl(int fd, int request, void *arg);
156	int OpenCamera(struct camera *pCameraDev);
157	int InitMmap(struct camera *cam) ;
158	//int SetFrameRate( struct camera *cam);
159	int InitCamera(struct camera *cam) ;
160	int StartCapturing(struct camera *cam);
161	int StopCapturing(struct camera *cam);
162	int UninitCamera(struct camera *cam);
163	int CloseCamera(struct camera *cam);
164	void yuv_to_rgb32(unsigned char y, unsigned char u, unsigned char v, unsigned char *rgb);
165	void nv21_to_rgb32(unsigned char *buf, unsigned char *rgb, int width, int height, int *len);
166	int AmvideocapCapFrame(char *buf, int size, int *w, int *h, int *ret_size);
167	private:
168	sp<IMemory> m_pMem;
169	camera m_capV4l2Cam;
170	unsigned int m_capNumBuffers;
171
172	char *m_pData;
173	TvIObserver *mpObserver;
174	CapEvent mCapEvt;
175	};
176	#endif
177
178