path: root/tvapi/libtv/tv/CFrontEnd.h (plain)
blob: b3ce6f49946936a81a797bbc409e1bf9b47ea830

1	#ifndef ANDROID_FRONTEND_H
2	#define ANDROID_FRONTEND_H
3	#include <stdio.h>
4	#include <stdlib.h>
5	#include <unistd.h>
6	#include <string.h>
7	#include "CTvLog.h"
8	#include "CTvEv.h"
9	extern "C" {
10	#include "am_fend.h"
11	#include "am_vout.h"
12	#include "linux/dvb/frontend.h"
13	}
14	//for app
15	typedef enum atv_audo_std_s {
16	CC_ATV_AUDIO_STD_START = 0,
17	CC_ATV_AUDIO_STD_DK = 0,
18	CC_ATV_AUDIO_STD_I,
19	CC_ATV_AUDIO_STD_BG,
20	CC_ATV_AUDIO_STD_M,
21	CC_ATV_AUDIO_STD_L,
22	CC_ATV_AUDIO_STD_AUTO,
23	CC_ATV_AUDIO_STD_END = CC_ATV_AUDIO_STD_AUTO,
24	CC_ATV_AUDIO_STD_MUTE,
25	} atv_audio_std_t;
26	//for app
27	typedef enum atv_video_std_s {
28	CC_ATV_VIDEO_STD_START = 0,
29	CC_ATV_VIDEO_STD_AUTO = 0,
30	CC_ATV_VIDEO_STD_PAL,
31	CC_ATV_VIDEO_STD_NTSC,
32	CC_ATV_VIDEO_STD_SECAM,
33	CC_ATV_VIDEO_STD_END = CC_ATV_VIDEO_STD_SECAM,
34	} atv_video_std_t;
35
36
37	//from kernel
38	/*COLOR MODULATION TYPE*/
39	static const v4l2_std_id V4L2_COLOR_STD_PAL = ((v4l2_std_id)0x04000000);
40	static const v4l2_std_id V4L2_COLOR_STD_NTSC = ((v4l2_std_id)0x08000000);
41	static const v4l2_std_id V4L2_COLOR_STD_SECAM = ((v4l2_std_id)0x10000000);
42	//virtual
43	static const v4l2_std_id V4L2_COLOR_STD_AUTO = ((v4l2_std_id)0x02000000);
44
45	typedef struct frontend_para_set_s {
46	fe_type_t mode;
47	int freq;
48	atv_video_std_t videoStd;
49	atv_audio_std_t audioStd;
50	int para1;
51	int para2;
52	} frontend_para_set_t;
53
54	typedef struct atv_channel_info_s {
55	int finefreq;
56	atv_video_std_t videoStd;
57	atv_audio_std_t audioStd;
58	int isAutoStd;
59	} atv_channel_info_t;
60
61	typedef struct dtv_channel_info_s {
62	int strength;
63	int quality;
64	int ber;
65	} dtv_channel_info_t;
66
67	typedef struct channel_info_s {
68	int freq;
69	union {
70	atv_channel_info_t atvChanInfo;
71	dtv_channel_info_t dtvChanInfo;
72	} uInfo;
73	} channel_info_t;
74
75	class CFrontEnd {
76	public:
77
78	static const int FE_DEV_ID = 0;
79	static const int AFC_RANGE = 1000000;
80
81	CFrontEnd();
82	~CFrontEnd();
83
84	int Open(int mode);
85	int Close();
86	int setMode(int mode);
87	int fineTune(int freq);
88	int formatATVFreq(int freq);
89	int GetTSSource(AM_DMX_Source_t *src);
90	int setPara(int frequency, int symbol_rate, int modulation, int bandwidth);
91	int ClearAnalogFrontEnd();
92	int autoLoadFE();
93
94	static int stdAndColorToAudioEnum(int std);
95	static int stdAndColorToVideoEnum(int std);
96	static int printVideoStdStr(int videoStd, char strBuffer[], int buff_size);
97	static int printAudioStdStr(int audioStd, char strBuffer[], int buff_size);
98	static v4l2_std_id enumToStdAndColor(int videoStd, int audioStd);
99	static int stdEnumToCvbsFmt (int videoStd, int audioStd);
100	class FEEvent: public CTvEv {
101	public:
102	//static const int EVENT_FE_HAS_SIG = 0X01; /* found something above the noise level */
103	//static const int EVENT_FE_HAS_CARRIER = 0x02; /* found a DVB signal */
104	//static const int EVENT_FE_HAS_VITERBI = 0X04; /* FEC is stable */
105	//static const int EVENT_FE_HAS_SYNC = 0X08; /* found sync bytes */
106	// static const int EVENT_FE_HAS_LOCK = 0X10; /* everything's working... */
107	//static const int EVENT_FE_HAS_TIMEOUT = 0X20; /* no lock within the last ~2 seconds */
108	//static const int EVENT_FE_REINIT = 0X40; /* frontend was reinitialized, */
109	static const int EVENT_FE_HAS_SIG = 0x01;
110	static const int EVENT_FE_NO_SIG = 0x02;
111	static const int EVENT_FE_INIT = 0x03;
112
113	FEEvent(): CTvEv(CTvEv::TV_EVENT_SIGLE_DETECT)
114	{
115	}
116	~FEEvent()
117	{
118	}
119	int mCurSigStaus;
120	int mCurFreq;
121	};
122
123	class IObserver {
124	public:
125	IObserver() {};
126	virtual ~IObserver() {};
127	virtual void onEvent(const FEEvent &ev) = 0;
128	};
129
130	int setObserver(IObserver *ob)
131	{
132	mpObserver = ob;
133	return 0;
134	}
135
136	int getSNR();
137	int getBER();
138	int getInfo();
139	int getStatus();
140	int checkStatusOnce();
141	int getStrength();
142	int setCvbsAmpOut(int amp);
143	int setThreadDelay(int delay) ;
144	int getPara(frontend_para_set_t *fpara);
145	int lock(int frequency, int symbol_rate, int modulation, int bandwidth);
146	private:
147	int mFrontDevID;
148	int mDemuxDevID;
149	int mTvPlayDevID;
150	int mCurFineFreq;
151	IObserver *mpObserver;
152	FEEvent mCurSigEv;
153	int mCurMode;
154	static void dmd_fend_callback(long dev_no, int event_type, void *param, void *user_data);
155	};
156	#endif // ANDROID_FRONTEND_H
157
158