valutazioni - 3, GPA: 3.7
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Facilità d'uso
So the pointer to the list should jump num_entries to find next attribute*/ if (current->type == PD_ATTR_TYPE_LIST) { i+= ((igd_list_attr_t *)current)->num_entries; current += ((igd_list_attr_t *)current)->num_entries; } } memset(&status, 0, sizeof(esc_status_t)); free(attr_list); Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.5 ICEGD_ESCAPE_SET_OVL_COLOR_PARAMS Input Data Structure Output Data Structure Notes esc_color_params_t N/A esc_color_params flag options: Optional: GAMMA_FLAG (0x1) BRIGHTNESS_FLAG (0x2) CONTRAST_FLAG (0x4) SATURATION_FLAG (0x8) Mandatory: OVL_COLOR_FLAG (0x10) Description This escape code is used to set overlay attributes (brightness, contrast, saturation, and gamma). Please make sure that OVL_COLOR_FLAG should always be set. The sample affect only when using overlay. Input Data Structure Definition The data structure esc_color_params_t should be filled in with parameters of gamma, brightness, contrast, saturation and so on. Please refer to icegd_public_escape.h for details. Example esc_color_params_t color; memset(&color, 0, sizeof(esc_color_params_t)); //right now we change only brightness and contrast color.flag = OVL_COLOR_FLAG | BRIGHTNESS_FLAG | CONTRAST_FLAG; color.brightness = 0x0; color.contrast = 0x0; for(int i=0;i<20;i++){ //change the brightness and contrast gradually ExtEscape( Hdc, ICEGD_ESCAPE_SET_OVL_COLOR_PARAMS, sizeof(esc_color_params_t), (LPCSTR)&color, 0, NULL); //Check error status returned by ExtEscape // … // Wait a while for HW to complete the operation of changing the overlay color parameters Sleep(500); color.brightness+=3000; color.contrast+=3000; } Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.6 ICEGD_ESCAPE_SET_FB_GAMMA_RAMP Input Data Structure Output Data Structure Notes esc_color_params_t N/A esc_color_params flag options: Mandatory: GAMMA_FLAG (0x1) Not Applicable: BRIGHTNESS_FLAG (0x2) CONTRAST_FLAG (0x4) SATURATION_FLAG (0x8) OVL_COLOR_FLAG (0x10) Description This escape code is used to set frame buffer gamma correction ramp. Legal values are from 1-500, 1 - default, 500 – brightest. Input Data Structure Definition Same data structure as ICEGD_ESCAPE_SET_OVL_COLOR_PARAMS, but for this escape code, you need only set the GAMMA_FLAG. Example esc_color_params_t color; memset(&color, 0, sizeof(esc_color_params_t)); //set flag to gamma color.flag = GAMMA_FLAG; color.gamma = 0; for(int i=1;i<10;i++){ //change gamma value gradually, and the legal value is between 1 and 500 color.gamma=i*50; ExtEscape( Hdc, ICEGD_ESCAPE_SET_FB_GAMMA_RAMP, sizeof(esc_color_params_t), (LPCSTR)&color, 0, NULL); //Check error status returned by ExtEscape // … // Wait a while for HW to complete the operation of changing the gamma value Sleep(500); } Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.7 ICEGD_ESCAPE_GET_MEM_STATS Input Data Structure Output Data Structure Notes N/A esc_mem_stats_t Description This escape code is used to get memory statistics. Output Data Structure Definition Please refer to igd_public.h for details about data structure esc_mem_stats_t. Example esc_mem_stats_t stats; memset(&stats, 0, sizeof(esc_mem_stats_t)); ExtEscape( Hdc, ICEGD_ESCAPE_GET_MEM_STATS, 0, NULL, sizeof(esc_mem_stats_t), (LPSTR) & stats); Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.8 ICEGD_ESCAPE_GET_MONITOR_DESC Input Data Structure Output Data Structure Notes Int esc_monitor_desc_t The input is port number, which can be only 0 or 1. Description This escape code is used to get the monitor description (EDID). Output Data Structure Definition Please refer to icegd_public_escape.h for details about data structure esc_monitor_desc_t. Example int port = 0; esc_monitor_desc_t esc_monitor_desc; memset(&esc_monitor_desc, 0, sizeof(esc_monitor_desc_t)); ExtEscape( Hdc, ICEGD_ESCAPE_GET_MONITOR_DESC, sizeof(port), (LPCSTR) &port, sizeof(esc_monitor_desc_t), (LPSTR) &esc_monitor_desc); Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.9 ICEGD_ESCAPE_VBI_ENABLE Input Data Structure Output Data Structure Notes N/A N/A Description This escape code is used to call port driver to enable Line 21 VBI (Vertical Blank Interrupt) data. It is always used before ICEGD_ESCAPE_VBI_UPDATE with ICEGD_ESCAPE_VBI_DISABLE following. Example ExtEscape( Hdc, ICEGD_ESCAPE_VBI_ENABLE, 0, NULL, 0, NULL ); Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0 7.1.1.10 ICEGD_ESCAPE_VBI_DISABLE Input Data Structure Output Data Structure Notes N/A N/A Description This escape code is used to call port driver to disable Line 21 VBI (Vertical Blank Interrupt) data. It is always used after ICEGD_ESCAPE_VBI_UPDATE finished. Example ExtEscape( Hdc, ICEGD_ESCAPE_VBI_DISABLE, 0, NULL, 0, NULL ); Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5...
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