isp_if.c

最新MTK手机软件源码

					isp_preview_config_data.cam_focus_cb(0xFF);
					af_operation_state=AF_FREEZE_STATE;
				}
			}
        }
#endif
		if ((image_setting_index!=0)&&(isp_operation_state!=ISP_STANDBY_STATE)&&(stack_query_boot_mode()!=FACTORY_BOOT))
			background_image_setting();		
		if(wait_first_frame_flag==KAL_TRUE)
		{
			isp_preview_frame++;
			if(isp_preview_frame==camera_oper_data.preview_delay_frame)
			{
				kal_set_eg_events(camera_isp_event_id,CAMERA_ISP_VD_READY_EVENT,KAL_OR);
				wait_first_frame_flag=KAL_FALSE;
			}
		}
		else
			kal_set_eg_events(camera_isp_event_id,CAMERA_ISP_VD_READY_EVENT,KAL_OR);
	}
	IRQUnmask(IRQ_CAMERA_CODE);
#else /* !(YUV_SENSOR_SUPPORT) */

#if (defined(MT6219))
	if (isp_int_status & ISP_INT_FRAME_READY)
	{
		if (isp_operation_state==ISP_PREVIEW_STATE)
		{
			if (isp_preview_config_data.cam_preview_cb!=0)
			{
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&
					 (ae_enable_flag==ISP_ON)&&(ae_awb_cal_complete==1))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_pregain(pregain);
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();
				#if (defined(MT6219))
					/* Flare */
					if((camera_oper_data.flare_camera_enable==KAL_TRUE)&&(isp_preview_config_data.image_effect==0))
					{
						SET_AWB_R_GAIN(flare_gain);										
						SET_AWB_G_GAIN(flare_gain);
						SET_AWB_B_GAIN(flare_gain);
						SET_GAMMA_RGB_FLARE_R(flare_offset);
						SET_GAMMA_RGB_FLARE_G(flare_offset);
						SET_GAMMA_RGB_FLARE_B(flare_offset);
						SET_GAMMA_RGB_FLARE_SIGN_R_HIGH;
						SET_GAMMA_RGB_FLARE_SIGN_G_HIGH;
						SET_GAMMA_RGB_FLARE_SIGN_B_HIGH;
					}
				#endif
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if (isp_first_preview_frame==KAL_TRUE)
						isp_preview_2a_enable=1;
					else if(wait_first_frame_flag==KAL_FALSE)
					{
					#if (defined(MT6219))
						if((camera_oper_data.flare_camera_enable==KAL_TRUE)&&(isp_preview_config_data.image_effect==0))
						{
							get_histogram_info(hist_idx);
							hist_idx++;
							hist_idx%=3;
						}
					#endif
						ae_awb_cal_complete=0;
						isp_preview_config_data.cam_preview_cb(0);
						ae_count++;
						ae_count%=camera_oper_data.ae_awb_cal_period;
					}
				}

				if(ae_awb_cal_complete==1)
				{
					ae_count++;
					ae_count%=camera_oper_data.ae_awb_cal_period;
				}
			}

			/* Auto Low Light Swith */
			if((isp_preview_config_data.image_effect==0) &&(isp_preview_config_data.night_mode==KAL_FALSE)
				&&(ae_enable_flag==ISP_ON)&&(stack_query_boot_mode()!=FACTORY_BOOT))
			{	/* FACTORY_BOOT for CCT */
				if(avglum<camera_oper_data.ae_lowlight_threshold)
					set_camera_mode_para(CAMERA_PARA_AUTO_LOWLIGHT_MODE);
				else if(avglum>camera_oper_data.ae_lowlight_off_threshold)
					set_camera_mode_para(CAMERA_PARA_PREVIEW_MODE);
			}
		}
		else if (isp_operation_state==ISP_MPEG4_ENCODE_STATE)
		{
			if (mpeg4_encode_data.cam_encode_cb!=0)
			{
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&
					 (ae_enable_flag==ISP_ON)&&(ae_awb_cal_complete==1))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_pregain(pregain);
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();										
				#if (defined(MT6219))
					/* Flare */
					
					if((camera_oper_data.flare_video_enable==KAL_TRUE)&&(isp_preview_config_data.image_effect==0))
					{
						SET_AWB_R_GAIN(flare_gain);										
						SET_AWB_G_GAIN(flare_gain);
						SET_AWB_B_GAIN(flare_gain);
						SET_GAMMA_RGB_FLARE_R(flare_offset);
						SET_GAMMA_RGB_FLARE_G(flare_offset);
						SET_GAMMA_RGB_FLARE_B(flare_offset);
						SET_GAMMA_RGB_FLARE_SIGN_R_HIGH;
						SET_GAMMA_RGB_FLARE_SIGN_G_HIGH;
						SET_GAMMA_RGB_FLARE_SIGN_B_HIGH;
					}
				#endif
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if (isp_first_preview_frame==KAL_TRUE)
						isp_preview_2a_enable=1;
					else if(wait_first_frame_flag==KAL_FALSE)
               				{
					#if (defined(MT6219))
						if((camera_oper_data.flare_video_enable==KAL_TRUE)&&(isp_preview_config_data.image_effect==0))
						{
							get_histogram_info(hist_idx);
							hist_idx++;
							hist_idx%=3;
						}
					#endif
						ae_awb_cal_complete=0;
						mpeg4_encode_data.cam_encode_cb(0);
						ae_count++;
						ae_count%=camera_oper_data.ae_awb_cal_period;
               				}
				}

				if(ae_awb_cal_complete==1)
				{
					ae_count++;
					ae_count%=camera_oper_data.ae_awb_cal_period;
				}
			}

			/* Auto Low Light Switch */
			if((isp_preview_config_data.image_effect==0) &&(isp_preview_config_data.night_mode==KAL_FALSE)
				&&(ae_enable_flag==ISP_ON))
			{
				if(avglum<camera_oper_data.ae_video_lowlight_threshold)
					set_camera_mode_para(CAMERA_PARA_VIDEO_AUTO_LOWLIGHT_MODE);
				else if(avglum>camera_oper_data.ae_video_lowlight_off_threshold)
					set_camera_mode_para(CAMERA_PARA_VIDEO_MODE);
			}
		}

#if (defined(WEBCAM_SUPPORT))
		else if(usbvideo_cam_operation_state==USBVIDEO_CAM_PREVIEW_CHECK_STATE)
		{   // Webcam AE/AWB
			if (g_usbvideo_camera_data.usbvideo_cam_preview_cb!=0)
			{
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&
					 (ae_enable_flag==ISP_ON)&&(ae_awb_cal_complete==1))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_pregain(pregain);
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();										
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(wait_first_frame_flag==KAL_FALSE)
					{
						ae_awb_cal_complete=0;
						g_usbvideo_camera_data.usbvideo_cam_preview_cb(0);
						ae_count++;
						ae_count%=camera_oper_data.ae_awb_cal_period;
					}
				}
				
				if(ae_awb_cal_complete==1)
				{
					ae_count++;
					ae_count%=camera_oper_data.ae_awb_cal_period;
				}
			}			
		if(usbvideo_attr_setting_PU_index!=0)
			usbvideo_camera_effect_background_setting_attr();		
		}				
#endif  //END_OF_WEBCAM_SUPPORT		
		
		if(wait_first_frame_flag==KAL_TRUE)
		{
			isp_preview_frame++;
			if(isp_preview_frame==camera_oper_data.preview_delay_frame)
			{
				kal_set_eg_events(camera_isp_event_id,CAMERA_ISP_FRAME_READY_EVENT,KAL_OR);
				wait_first_frame_flag=KAL_FALSE;
			}
		}
		else
			kal_set_eg_events(camera_isp_event_id,CAMERA_ISP_FRAME_READY_EVENT,KAL_OR);

		if ((image_setting_index!=0)&&(isp_operation_state!=ISP_STANDBY_STATE)&&(stack_query_boot_mode()!=FACTORY_BOOT))
			background_image_setting();
		IRQUnmask(IRQ_CAMERA_CODE);
	}

#else /* !(defined(MT6219)) */
	if (isp_int_status & ISP_INT_FRAME_READY)
	{
		if ((image_setting_index!=0)&&(isp_operation_state!=ISP_STANDBY_STATE)&&(stack_query_boot_mode()!=FACTORY_BOOT))
			background_image_setting();	    
		IRQUnmask(IRQ_CAMERA_CODE);
	}

	if ((isp_int_status & ISP_INT_VD_DONE)||(isp_int_status & ISP_INT_TG_DONE))
	{
		if ((isp_operation_state==ISP_PREVIEW_STATE)||(isp_operation_state==ISP_CAPTURE_BARCODE_STATE))
		{
			if (cam_preview_cb!=0)
			{
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&(ae_awb_cal_complete==1)
					&&(ae_enable_flag==ISP_ON))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_sensor_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						image_sensor_func->set_sensor_gain(sensor_pregain);
				}
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_isp_pregain();
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();
					if((isp_preview_config_data.image_effect==CAM_EFFECT_ENC_NORMAL)&&(stack_query_boot_mode()!=FACTORY_BOOT))
						set_anti_low_light_para(AE_INDEX);
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
					#if (defined(MT6226)||defined(MT6226M)||defined(MT6227))
					if(ae_counting_flag==KAL_TRUE) //Avoid ae get accumulation frame
					#else	// MT6228||MT6229
					if(AE_FRAME_COUNT==1) //Avoid ae get accumulation frame
					#endif
					{						
						if (isp_first_preview_frame==KAL_TRUE)
							isp_preview_2a_enable=1;
						else if(wait_first_frame_flag==KAL_FALSE)
						{
							ae_awb_cal_complete=0;
							cam_preview_cb(0);
							ae_count++;
							ae_count%=camera_oper_data.ae_awb_cal_period;
						}
						ae_counting_flag=KAL_TRUE;
					}
					else
						ae_counting_flag=KAL_FALSE;
				}
				if((ae_awb_cal_complete==1)&&
					(!((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_counting_flag==KAL_FALSE))) )
				{					/* cal complete && not wait hw ae count  */						
					ae_count++;
					ae_count%=camera_oper_data.ae_awb_cal_period;
				}
			}

#if (defined(AF_SUPPORT))
			if((dsc_status.af.trigger==CAM_AF_ONE_TIME)||(dsc_status.af.trigger==CAM_AF_CONTINUE))
			{
				if(avglum<camera_oper_data.ae_lowlight_threshold)
				{
					if(stack_query_boot_mode()!=FACTORY_BOOT)
					set_camera_mode_para(CAMERA_PARA_AF_LOWLIGHT_MODE);
					set_af_proc_para(dsc_status.af.mode,KAL_TRUE);
				}
				else if(avglum>camera_oper_data.ae_lowlight_off_threshold)
				{
					if(stack_query_boot_mode()!=FACTORY_BOOT)
					set_camera_mode_para(CAMERA_PARA_AF_NORMAL_MODE);
					set_af_proc_para(dsc_status.af.mode,KAL_FALSE);
				}
			}
#endif
		
#if (defined(AF_SUPPORT))
			if(dsc_status.af.mode==CAM_AF_MANUAL_MODE)	/* Manual Focus */
			{
				if(dsc_status.af.mfdir == CAM_FOCUS_FORWARD_CONTINUE)
					lens_func->lens_af_step_cw(af_oper_data.manual_focus_step);
				else if(dsc_status.af.mfdir == CAM_FOCUS_BACKWARD_CONTINUE)
					lens_func->lens_af_step_ccw(af_oper_data.manual_focus_step);
			}
			else	/* Auto Focus */
			{
				if (AF_release_delay<af_oper_data.AF_count_release)//delay check for AF release before AF press
				{
					AF_release_delay++;	
				}
				else//AF_release_delay>=AF_count_release
				{
					if ((dsc_status.af.trigger==CAM_AF_ONE_TIME)||(dsc_status.af.trigger==CAM_AF_CONTINUE))//AF key press
					{
						if(ae_enable_flag==ISP_ON)
						{
							/* if AE stable & AE, AWB callback end, then w/o needing to wait for set gain frame */
							if ((AE_INDEX_C==AE_INDEX)&&(ae_awb_cal_complete==1))//stable AE & AE callback end
							{
								if (af_operation_state==AF_COLLECT_STATE)//first AF state 
								{
									ae_enable_flag=ISP_OFF;
									awb_enable_flag=ISP_OFF;
								}
							}
						}
						else if ((ae_enable_flag==ISP_OFF)&&(awb_enable_flag==ISP_OFF))//AE, AWB disable
						{
							if (af_operation_state==AF_FREEZE_STATE)//AF freeze state return from AF callback
							{
								af_count = af_oper_data.AF_count_max;
								ae_enable_flag=ae_enable_flag_backup;
								awb_enable_flag=awb_enable_flag_backup;
							}
						}
						if((ae_enable_flag==ISP_OFF)&&(awb_enable_flag==ISP_OFF))//AE, AWB disable
						{
							/* prevent AF window shift for 6228 */
							if (af_oper_data.AF_wind_y_delay < af_oper_data.AF_wind_y_delay_count)
							{
								if (af_oper_data.AF_wind_y_delay == 0)
									af_zone_setting(dsc_status.af.metering);
								af_oper_data.AF_wind_y_delay++;
							}
							else
							{
							if((af_operation_state==AF_COLLECT_STATE) && (af_count<af_oper_data.AF_count_max))
							{
								af_count++;
								if(af_detail_search==KAL_FALSE)
								{
									if((af_count==af_oper_data.AF_count_max) || (AF_check_AF_count(af_count)==KAL_TRUE))
									{
										af_count = af_oper_data.AF_count_max;
#if(defined(AF_Debug_Function))
										if(af_debug_flag==0)
										{
#endif					
										get_af_info(dsc_status.af.index);
										af_next_step_idx=get_af_table_index(dsc_status.af.index);
										if(af_next_step_idx != dsc_status.af.index)
										{
												lens_func->lens_af_move_to((kal_int32)camera_lens_step.AF[af_next_step_idx].pos);
											AF_step_move_log((kal_int16)camera_lens_step.AF[af_next_step_idx].pos);
											dsc_status.af.index=af_next_step_idx;
											af_count=0;
										}
										else
										{
											AF_small_check_count = 0;//reset small check count	
											af_check_FV = 0;//reset stable back count
										}
#if(defined(AF_Debug_Function))
										}
										else
										{
											AF_debug_scan();
										}
#endif			
									}
								}
								else
								{
									if((af_detail_idx<AF_Check_Count_d) && (af_check_FV>0))
									{
										if((af_count==af_oper_data.AF_count_max) || (AF_check_AF_count(af_count)==KAL_TRUE))
										{
											af_count = af_oper_data.AF_count_max;
											get_af_detail_info(af_detail_idx);
											af_next_detail_pos=get_af_detail_pos(af_detail_idx);
											if (af_operation_state==AF_COLLECT_STATE)
											{										
												lens_func->lens_af_move_to((kal_int32)af_next_detail_pos);
												AF_step_move_log((kal_int16)af_next_detail_pos);
											}
											af_detail_idx = AF_af_detail_idx_update(af_detail_idx);
											if (af_detail_idx == 0)
											{
												af_check_FV = 0;//reset AF slow count
											}
											if (af_operation_state==AF_COLLECT_STATE)//continue to collect
											{
												af_count=0;
											}	
										}
									}
									if ((af_detail_idx==0) && (af_check_FV == 0))//stablize step back to detail search pos
									{
										af_check_FV = AF_slow_back_check(af_check_FV);
										af_count = 0;
									}
								}
							}
							}
							if((af_operation_state==AF_SEARCH_STATE)&&(af_cal_complete==KAL_TRUE))
							{
								af_cal_complete=KAL_FALSE;
								cam_focus_cb(0);
							}
						}
					}
				}
			}
#endif			
		}
		else if (isp_operation_state==ISP_MPEG4_ENCODE_STATE)
		{
			if (mpeg4_encode_data.cam_encode_cb!=0)
			{
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&
					 (ae_enable_flag==ISP_ON)&&(ae_awb_cal_complete==1))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_sensor_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						image_sensor_func->set_sensor_gain(sensor_pregain);
				}
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_isp_pregain();
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();
					
					if(isp_preview_config_data.image_effect==CAM_EFFECT_ENC_NORMAL)
						set_anti_low_light_para(AE_INDEX);
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
				#if (defined(MT6226)||defined(MT6226M)||defined(MT6227))
					if(ae_counting_flag==KAL_TRUE) //Avoid ae get accumulation frame
				#else	// MT6228||MT6229
					if(AE_FRAME_COUNT==1) //Avoid ae get accumulation frame
				#endif
					{						
						if (isp_first_preview_frame==KAL_TRUE)
							isp_preview_2a_enable=1;
						else if(wait_first_frame_flag==KAL_FALSE)
	               {
							ae_awb_cal_complete=0;
							mpeg4_encode_data.cam_encode_cb(0);
							ae_count++;
							ae_count%=camera_oper_data.ae_awb_cal_period;
	               }
						ae_counting_flag=KAL_TRUE;
					}
					else
						ae_counting_flag=KAL_FALSE;
				}

				if((ae_awb_cal_complete==1)&&
					(!((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_counting_flag==KAL_FALSE))) )
				{					/* cal complete && not wait hw ae count  */						

					ae_count++;
					ae_count%=camera_oper_data.ae_awb_cal_period;
				}
			}
		}

#if (defined(WEBCAM_SUPPORT))	// !MT6219
		else if(usbvideo_cam_operation_state==USBVIDEO_CAM_PREVIEW_CHECK_STATE)
		{   // Webcam AE/AWB
			if (g_usbvideo_camera_data.usbvideo_cam_preview_cb!=0)
			{
				// For use VD interrupt sensor modules, Enable AE Counter
					if( ae_count==(camera_oper_data.ae_awb_cal_period-3) )										
						ENABLE_AE_COUNT;	
				if ((ae_count==camera_oper_data.ae_setting_shut_delay_frame)&&
					 (ae_enable_flag==ISP_ON)&&(ae_awb_cal_complete==1))
					image_sensor_func->set_sensor_eshutter((kal_uint16)eShutter);
				if ((ae_count==camera_oper_data.ae_setting_sensor_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					image_sensor_func->set_sensor_gain(sensor_pregain);
				}
				if ((ae_count==camera_oper_data.ae_setting_gain_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(ae_enable_flag==ISP_ON)
						ae_set_isp_pregain();
					if(awb_enable_flag==ISP_ON)
						awb_set_gain();	
					
					if(isp_preview_config_data.image_effect==CAM_EFFECT_ENC_NORMAL)
						set_anti_low_light_para(AE_INDEX);									
				}
				if ((ae_count==camera_oper_data.ae_setting_cal_delay_frame)&&(ae_awb_cal_complete==1))
				{
					if(wait_first_frame_flag==KAL_FALSE)
					{
        				// For use VD interrupt sensor modules, Disable AE Counter
       						DISABLE_AE_COUNT;					
						ae_awb_cal_complete=0;
						g_usbvideo_camera_data.usbvideo_cam_preview_cb(0);
						ae_count++;
						ae_count%=camera_oper_data.ae_awb_cal_period;
					}
				}