blob: 60e59be159bf5e5293dbd82a4b8193778fb5d029
| 1 | // |
| 2 | // |
| 3 | // amlogic 2015 |
| 4 | // |
| 5 | // @ Project : tv |
| 6 | // @ File Name : |
| 7 | // @ Date : 2015 -7 |
| 8 | // @ Author : hao.fu |
| 9 | // |
| 10 | // |
| 11 | |
| 12 | |
| 13 | #if !defined(_AUTOBACKLIGHT_H) |
| 14 | #define _AUTOBACKLIGHT_H |
| 15 | #include "../tvin/CTvin.h" |
| 16 | #include "../tvutils/CThread.h" |
| 17 | #include "../vpp/CVpp.h" |
| 18 | |
| 19 | class AutoBackLight: public CThread { |
| 20 | private: |
| 21 | tv_source_input_type_t mAutoBacklightSource; |
| 22 | int mCur_source_default_backlight; |
| 23 | int mCur_sig_state; |
| 24 | bool mAutoBacklight_OnOff_Flag; |
| 25 | int mCurrent_backlight; |
| 26 | int mCur_dest_backlight; |
| 27 | |
| 28 | void adjustDstBacklight(); |
| 29 | void adjustBacklight(); |
| 30 | int HistogramGet_AVE(); |
| 31 | bool threadLoop(); |
| 32 | |
| 33 | public: |
| 34 | enum SIG_STATE { |
| 35 | SIG_STATE_STABLE = 1, |
| 36 | SIG_STATE_NOSIG = 2, |
| 37 | }; |
| 38 | |
| 39 | AutoBackLight(); |
| 40 | ~AutoBackLight(); |
| 41 | void updateSigState(int state); |
| 42 | void startAutoBacklight( tv_source_input_type_t source_type ); |
| 43 | void stopAutoBacklight(); |
| 44 | bool isAutoBacklightOn(); |
| 45 | }; |
| 46 | #endif |
| 47 |