cpp/openttd-patchpack/source Files · src/sound/win32_s.cpp

Files @ r9464:ce84e83c962a

Branch filter:

Location: cpp/openttd-patchpack/source/src/sound/win32_s.cpp

r9464:ce84e83c962a 2.1 KiB text/x-c Show Annotation Show as Raw Download as Raw

miham

(svn r13384) -Update: WebTranslator2 update to 2008-06-05 08:15:43
brazilian_portuguese - 9 fixed, 6 changed by tucalipe (15)
catalan - 9 fixed by arnaullv (9)
croatian - 13 fixed by knovak (13)
czech - 33 fixed by Hadez (33)
danish - 47 fixed by ThomasA (47)
dutch - 9 fixed by habell (9)
estonian - 42 fixed, 5 changed by kristjans (47)
finnish - 5 fixed, 1 changed by kerba (6)
french - 9 fixed, 2 changed by glx (8), belugas (3)
icelandic - 75 fixed by scrooge (75)
italian - 9 fixed, 12 changed by lorenzodv (21)
korean - 76 fixed, 15 changed by leejaeuk5 (91)
portuguese - 7 fixed by izhirahider (7)
romanian - 97 fixed, 302 changed by CrystyB (399)
russian - 12 fixed by Smoky555 (12)
spanish - 12 fixed by eusebio (12)
swedish - 13 fixed by ChrillDeVille (6), daishan (7)
turkish - 39 fixed, 1 changed by jnmbk (40)
ukrainian - 10 fixed by mad (10)

/* $Id$ */

/** @file win32_s.cpp Handling of sound for Windows. */

#include "../stdafx.h"
#include "../openttd.h"
#include "../driver.h"
#include "../mixer.h"
#include "../core/alloc_func.hpp"
#include "win32_s.h"
#include <windows.h>
#include <mmsystem.h>

static FSoundDriver_Win32 iFSoundDriver_Win32;

static HWAVEOUT _waveout;
static WAVEHDR _wave_hdr[2];
static int _bufsize;

static void PrepareHeader(WAVEHDR *hdr)
{
	hdr->dwBufferLength = _bufsize * 4;
	hdr->dwFlags = 0;
	hdr->lpData = MallocT<char>(_bufsize * 4);
	if (hdr->lpData == NULL ||
			waveOutPrepareHeader(_waveout, hdr, sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
		error("waveOutPrepareHeader failed");
}

static void FillHeaders()
{
	WAVEHDR *hdr;

	for (hdr = _wave_hdr; hdr != endof(_wave_hdr); hdr++) {
		if (!(hdr->dwFlags & WHDR_INQUEUE)) {
			MxMixSamples(hdr->lpData, hdr->dwBufferLength / 4);
			if (waveOutWrite(_waveout, hdr, sizeof(WAVEHDR)) != MMSYSERR_NOERROR)
				error("waveOutWrite failed");
		}
	}
}

static void CALLBACK waveOutProc(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance,
	DWORD dwParam1, DWORD dwParam2)
{
	switch (uMsg) {
		case WOM_DONE:
			if (_waveout != NULL) FillHeaders();
			break;
		default: break;
	}
}

const char *SoundDriver_Win32::Start(const char* const* parm)
{
	WAVEFORMATEX wfex;
	wfex.wFormatTag = WAVE_FORMAT_PCM;
	wfex.nChannels = 2;
	wfex.wBitsPerSample = 16;
	wfex.nSamplesPerSec = GetDriverParamInt(parm, "hz", 11025);
	wfex.nBlockAlign = (wfex.nChannels * wfex.wBitsPerSample) / 8;
	wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign;

	_bufsize = GetDriverParamInt(parm, "bufsize", (GB(GetVersion(), 0, 8) > 5) ? 2048 : 1024);

	if (waveOutOpen(&_waveout, WAVE_MAPPER, &wfex, (DWORD_PTR)&waveOutProc, 0, CALLBACK_FUNCTION) != MMSYSERR_NOERROR)
		return "waveOutOpen failed";

	PrepareHeader(&_wave_hdr[0]);
	PrepareHeader(&_wave_hdr[1]);
	FillHeaders();
	return NULL;
}

void SoundDriver_Win32::Stop()
{
	HWAVEOUT waveout = _waveout;

	_waveout = NULL;
	waveOutReset(waveout);
	waveOutUnprepareHeader(waveout, &_wave_hdr[0], sizeof(WAVEHDR));
	waveOutUnprepareHeader(waveout, &_wave_hdr[1], sizeof(WAVEHDR));
	waveOutClose(waveout);
}