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Location: cpp/openttd-patchpack/source/src/sound/win32_s.cpp - annotation
r7031:2fd9f058743b
2.1 KiB
text/x-c
(svn r10295) -Fix [FS#775]: flush stdout on dedicated server output to ensure an update of stdout (Zuu)
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#include "../stdafx.h"
#include "../openttd.h"
#include "../driver.h"
#include "../functions.h"
#include "../mixer.h"
#include "../helpers.hpp"
#include "win32_s.h"
#include <windows.h>
#include <mmsystem.h>
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;
}
}
static const char *Win32SoundStart(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", 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;
}
static void Win32SoundStop()
{
HWAVEOUT waveout = _waveout;
_waveout = NULL;
waveOutReset(waveout);
waveOutUnprepareHeader(waveout, &_wave_hdr[0], sizeof(WAVEHDR));
waveOutUnprepareHeader(waveout, &_wave_hdr[1], sizeof(WAVEHDR));
waveOutClose(waveout);
}
const HalSoundDriver _win32_sound_driver = {
Win32SoundStart,
Win32SoundStop,
};
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