path: root/tvapi/libtv/tv/CTvScreenCapture.h (plain)
blob: c72ca8e14be75069db831599f797fc8509fb216d

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