DisplayPixelFormat
导航： 使用 ADLX 进行编程 → ADLX 示例 → C 示例 → Display
演示了在使用 ADLX 编程时如何获取像素格式并执行相关操作。
命令提示符
| 命令提示符 | 描述 |
|---|---|
| 1 | 显示像素格式支持。 |
| 2 | 获取像素格式状态。 |
| 3 | 将当前像素格式设置为 RGB_444_FULL。 |
| 4 | 将当前像素格式设置为 YCBCR_444。 |
| 5 | 将当前像素格式设置为 YCBCR_422。 |
| 6 | 将当前像素格式设置为 RGB_444_LIMITED。 |
| 7 | 获取每种像素格式的支持状态。 |
| M/m | 显示命令提示符菜单。 |
| Q/q | 终止应用程序。 |
示例路径
/Samples/C/Display/DisplayPixelFormat
C
代码
C
//// Copyright Advanced Micro Devices, Inc. All rights reserved.////-------------------------------------------------------------------------------------------------
/// \file mainDisplayFreeSync.c/// \brief Demonstrates how to obtain the pixel format when programming with ADLX and perform related operations.
#include "SDK/ADLXHelper/Windows/C/ADLXHelper.h"#include "SDK/Include/IDisplaySettings.h"#include "SDK/Include/IDisplays.h"
// Display displayPixelFormat supportvoid ShowDisplayPixelFormatSupport(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay);
// Display current displayPixelFormat statevoid GetPixelFormatState(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay);
// Set displayPixelFormatvoid SetPixelFormatState(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay, const int key);
// Get support state for each pixel formatvoid GetSupportStateForEachPixelFormat(IADLXDisplayServices* displayService, IADLXDisplay* display);
// Main menuvoid MainMenu();
// Menu action controlvoid MenuControl(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay);
// Wait for exit with error messageint WaitAndExit(const char* msg, const int retCode);
int main(){ // Define return code ADLX_RESULT res = ADLX_FAIL;
// Initialize ADLX res = ADLXHelper_Initialize(); if (ADLX_SUCCEEDED(res)) { // Get system service IADLXSystem* sys = ADLXHelper_GetSystemServices();
// Get display service IADLXDisplayServices* displayService = NULL; res = sys->pVtbl->GetDisplaysServices(sys, &displayService); if (ADLX_SUCCEEDED(res)) { // Get display list IADLXDisplayList* displayList = NULL; res = displayService->pVtbl->GetDisplays(displayService, &displayList); if (ADLX_SUCCEEDED(res)) { // Inspect for the first display in the list adlx_uint it = 0; IADLXDisplay* display = NULL; res = displayList->pVtbl->At_DisplayList(displayList, it, &display); if (ADLX_SUCCEEDED(res)) { // Display main menu options MainMenu(); // Get and execute the choice MenuControl(displayService, display); }
//Release the display interface if (NULL != display) { display->pVtbl->Release(display); display = NULL; } }
// Release the displayList interface if (NULL != displayList) { displayList->pVtbl->Release(displayList); displayList = NULL; } }
// Release the displayService interface if (NULL != displayService) { displayService->pVtbl->Release(displayService); displayService = NULL; } } else { return WaitAndExit("ADLX initialization failed", 0); }
// Destroy ADLX res = ADLXHelper_Terminate(); printf("Destroy ADLX res: %d\n", res);
// Pause to see the print out system("pause");
return 0;}
void ShowDisplayPixelFormatSupport(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay){ IADLXDisplayPixelFormat* pDisplayPixelFormat = NULL; ADLX_RESULT res = pDisplayService->pVtbl->GetPixelFormat(pDisplayService, pDisplay, &pDisplayPixelFormat); if (ADLX_SUCCEEDED(res)) { printf(" === Get PixelFormat supported ===\n"); adlx_bool supported = false; res = pDisplayPixelFormat->pVtbl->IsSupported(pDisplayPixelFormat, &supported); printf("\tPixel format is supported on the display: %s , return code: %d (0 means success)\n", supported ? "true" : "false", res); pDisplayPixelFormat->pVtbl->Release(pDisplayPixelFormat); }}
void GetPixelFormatState(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay){ IADLXDisplayPixelFormat* pDisplayPixelFormat = NULL; ADLX_RESULT res = pDisplayService->pVtbl->GetPixelFormat(pDisplayService, pDisplay, &pDisplayPixelFormat); if (ADLX_SUCCEEDED(res)) { printf(" === Get PixelFormat enabled ===\n"); ADLX_PIXEL_FORMAT pf = FORMAT_UNKNOWN; res = pDisplayPixelFormat->pVtbl->GetValue(pDisplayPixelFormat, &pf); char* pfStr = "FORMAT_UNKNOWN"; switch (pf) { case RGB_444_FULL: pfStr = "RGB_444_FULL"; break; case YCBCR_444: pfStr = "YCBCR_444"; break; case YCBCR_422: pfStr = "YCBCR_422"; break; case RGB_444_LIMITED: pfStr = "RGB_444_LIMITED"; break; case YCBCR_420: pfStr = "YCBCR_420"; break; default: break; } printf("\tThe pixel format on the display is %s , return code: %d (0 means success)\n", pfStr, res); pDisplayPixelFormat->pVtbl->Release(pDisplayPixelFormat); }}
void SetPixelFormatState(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay, const int key){ IADLXDisplayPixelFormat* pDisplayPixelFormat = NULL; ADLX_RESULT res = pDisplayService->pVtbl->GetPixelFormat(pDisplayService, pDisplay, &pDisplayPixelFormat); if (ADLX_SUCCEEDED(res)) { ADLX_RESULT res = ADLX_FAIL; switch (key) { // Set PixelFormat RGB_444_FULL case 0: printf(" === Set pixel format to RGB_444_FULL\n"); res = pDisplayPixelFormat->pVtbl->SetValue(pDisplayPixelFormat, RGB_444_FULL); break; // Set PixelFormat YCBCR_444 case 1: printf(" === Set pixel format to YCBCR_444\n"); res = pDisplayPixelFormat->pVtbl->SetValue(pDisplayPixelFormat, YCBCR_444); break; // Set pixel format YCBCR_422 case 2: printf(" === Set pixel format to YCBCR_422\n"); res = pDisplayPixelFormat->pVtbl->SetValue(pDisplayPixelFormat, YCBCR_422); break; // Set pixel format RGB_444_LIMITED case 3: printf(" === Set pixel format to RGB_444_LIMITED\n"); res = pDisplayPixelFormat->pVtbl->SetValue(pDisplayPixelFormat, RGB_444_LIMITED); break; default: break; } printf("\treturn code is: %d (0 means success)\n", res); pDisplayPixelFormat->pVtbl->Release(pDisplayPixelFormat); }}
// Get support state for each pixel formatvoid GetSupportStateForEachPixelFormat(IADLXDisplayServices* displayService, IADLXDisplay* display){ IADLXDisplayPixelFormat* displayPixelFormat = NULL; ADLX_RESULT res = displayService->pVtbl->GetPixelFormat(displayService, display, &displayPixelFormat); if (ADLX_SUCCEEDED(res) && displayPixelFormat) { printf(" === Get pixel format list === \n"); adlx_bool support = false;
res = displayPixelFormat->pVtbl->IsSupportedRGB444Full(displayPixelFormat, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support RGB 4:4:4 PC Standard (Full RGB): %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedYCbCr444(displayPixelFormat, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:4:4: %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedYCbCr422(displayPixelFormat, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:2:2: %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedRGB444Limited(displayPixelFormat, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support RGB 4:4:4 Studio (Limited RGB): %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedYCbCr420(displayPixelFormat, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:2:0: %d\n", support);
res = displayPixelFormat->pVtbl->IsSupportedPixelFormat(displayPixelFormat, RGB_444_FULL, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support RGB 4:4:4 PC Standard (Full RGB): %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedPixelFormat(displayPixelFormat, YCBCR_444, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:4:4: %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedPixelFormat(displayPixelFormat, YCBCR_422, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:2:2: %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedPixelFormat(displayPixelFormat, RGB_444_LIMITED, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support RGB 4:4:4 Studio (Limited RGB): %d\n", support); res = displayPixelFormat->pVtbl->IsSupportedPixelFormat(displayPixelFormat, YCBCR_420, &support); if (ADLX_SUCCEEDED(res)) printf("\tIs support YCbCr 4:2:0: %d\n", support);
displayPixelFormat->pVtbl->Release(displayPixelFormat); displayPixelFormat = NULL; }}
void MainMenu(){ printf("\tChoose from the following options:\n");
printf("\t->Press 1 to display pixel format support\n");
printf("\t->Press 2 to get pixel format state\n");
printf("\t->Press 3 to set current pixel format to RGB_444_FULL\n"); printf("\t->Press 4 to set current pixel format to YCBCR_444\n"); printf("\t->Press 5 to set current pixel format to YCBCR_422\n"); printf("\t->Press 6 to set current pixel format to RGB_444_LIMITED\n");
printf("\t->Press 7 to get support state for each pixel format\n");
printf("\t->Press Q/q to terminate the application\n"); printf("\t->Press M/m to display main menu options\n");}
// Menu action controlvoid MenuControl(IADLXDisplayServices* pDisplayService, IADLXDisplay* pDisplay){ int num = 0; while ((num = getchar()) != 'q' && num != 'Q') { switch (num) { // Display displayPixelFormat support case '1': ShowDisplayPixelFormatSupport(pDisplayService, pDisplay); break;
// Display current displayPixelFormat state case '2': GetPixelFormatState(pDisplayService, pDisplay); break;
// Set displayPixelFormat case '3': case '4': case '5': case '6': SetPixelFormatState(pDisplayService, pDisplay, num - '3'); break;
// Get support state for each pixel format case '7': GetSupportStateForEachPixelFormat(pDisplayService, pDisplay); break;
// Display main menu options case 'm': case 'M': MainMenu(); break; default: break; } }}
// Wait for exit with error messageint WaitAndExit(const char* msg, const int retCode){ // Printout the message and pause to see it before returning the desired code if (NULL != msg) printf("%s\n", msg);
system("pause"); return retCode;}