PlaySound

sample.cpp

#include "stdafx.h"
#include "Sound.h"

int _tmain(int argc, _TCHAR* argv[])
{
	Sound chimes("C:\\Windows\\Media\\chimes.wav");
	for(int i = 0; i < 5; i++) {
		chimes.Play();
		Sleep(1000);
	}
	return 0;
}

Sound.h

#pragma once
#include "windows.h"
#include <string>
class Sound
{
public:
	Sound();
	Sound(const std::string& filename);
	~Sound();
	bool Load(const std::string& filename);
	void Play();
private:
	std::string filename;
	LPCTSTR sound_buffer;
};

Sound_impl.cpp

#include "stdafx.h"
#include <iostream>
#include "Sound.h"


Sound::Sound()
: sound_buffer(0)
{
}

Sound::Sound(const std::string& filename)
: sound_buffer(0)
{
	Load(filename);
}

Sound::~Sound()
{
	if (sound_buffer != 0) {
		HeapFree(GetProcessHeap(), 0, (LPVOID)sound_buffer);
	}
}


bool Sound::Load(const std::string& filename)
{
	bool load_success = false;
	this->filename = filename;
	HANDLE hfile = CreateFile(filename.c_str(), GENERIC_READ,
		0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	if (hfile != INVALID_HANDLE_VALUE) {
		DWORD file_size = GetFileSize(hfile, NULL);
		if (file_size != INVALID_FILE_SIZE) {
			sound_buffer = (LPCTSTR)HeapAlloc(
				GetProcessHeap(), HEAP_ZERO_MEMORY,
				file_size);
			if (sound_buffer != NULL) {
				DWORD read_bytes;
				BOOL read_success = ReadFile(
					hfile, (LPVOID)sound_buffer,
					file_size, &read_bytes, NULL);
				if (read_success) {
					load_success = true;
				}
				else {
					HeapFree(GetProcessHeap(), 0,
						(LPVOID)sound_buffer);
					sound_buffer = NULL;
				}
			}
		}
		CloseHandle(hfile);
	}
	if (!load_success) {
		std::cerr << "サウンドファイル読み込み失敗："
			<< filename << std::endl;
	}
	return load_success;
}


void Sound::Play()
{
	if (sound_buffer) {
		PlaySound(sound_buffer, NULL,
			SND_ASYNC | SND_MEMORY);
	}
	else {
		std::cerr << filename << "を再生できません。"
			<< std::endl;
	}
}