C言語／C++/dscaps - Sample is best!

開発環境	Microsoft Visual Studio Community 2017
実行環境	Microsoft Windows 10 Home (64bit)
プロジェクトの種類	Visual C++ / 空のプロジェクト
プロジェクト名	dscaps

参考

• デバイス オブジェクトの作成

dscaps.cpp

// マルチバイト文字セット
 
#pragma comment(lib, "dsound")
 
#include <dsound.h>
#include <stdio.h>
 
#define CHECK(hres) if (FAILED(hres)) { return 1; }
#define PRINT(flag, name) printf("[%c] " #name "\n", (flag & name) ? 'o' : '-')
 
int main()
{
	HRESULT hr;
	hr = CoInitialize(NULL);
	CHECK(hr);
 
	LPDIRECTSOUND8 lpds;
	hr = DirectSoundCreate8(NULL, &lpds, NULL);
	CHECK(hr);
 
	DWORD cert;
	hr = lpds->VerifyCertification(&cert);
	CHECK(hr);
 
	printf("DirectX認証\n");
	PRINT(cert, DS_CERTIFIED);
	PRINT(cert, DS_UNCERTIFIED);
 
	DSCAPS dsc;
	dsc.dwSize = sizeof DSCAPS;
	hr = lpds->GetCaps(&dsc);
	CHECK(hr);
 
	printf("\nデバイス能力\n");
	printf("dwFlags=[%08x]\n", dsc.dwFlags);
 
	DWORD flag = dsc.dwFlags;
	PRINT(flag, DSCAPS_CERTIFIED);
	PRINT(flag, DSCAPS_CONTINUOUSRATE);
	PRINT(flag, DSCAPS_EMULDRIVER);
	PRINT(flag, DSCAPS_PRIMARY16BIT);
	PRINT(flag, DSCAPS_PRIMARY8BIT);
	PRINT(flag, DSCAPS_PRIMARYMONO);
	PRINT(flag, DSCAPS_PRIMARYSTEREO);
	PRINT(flag, DSCAPS_SECONDARY16BIT);
	PRINT(flag, DSCAPS_SECONDARY8BIT);
	PRINT(flag, DSCAPS_SECONDARYMONO);
	PRINT(flag, DSCAPS_SECONDARYSTEREO);
 
	printf("dwMinSecondarySampleRate=[%u]\n", dsc.dwMinSecondarySampleRate);
	printf("dwMaxSecondarySampleRate=[%u]\n", dsc.dwMaxSecondarySampleRate);
 
	CoUninitialize();
	return 0;
}
 

出力

DirectX認証
[-] DS_CERTIFIED
[o] DS_UNCERTIFIED
 
デバイス能力
dwFlags=[00000f1f]
[-] DSCAPS_CERTIFIED
[o] DSCAPS_CONTINUOUSRATE
[-] DSCAPS_EMULDRIVER
[o] DSCAPS_PRIMARY16BIT
[o] DSCAPS_PRIMARY8BIT
[o] DSCAPS_PRIMARYMONO
[o] DSCAPS_PRIMARYSTEREO
[o] DSCAPS_SECONDARY16BIT
[o] DSCAPS_SECONDARY8BIT
[o] DSCAPS_SECONDARYMONO
[o] DSCAPS_SECONDARYSTEREO
dwMinSecondarySampleRate=[100]
dwMaxSecondarySampleRate=[200000]