port from perforce

evoke-64k/ev15-4k/synth.h

@@ -0,0 +1,79 @@
+#pragma once
+#define WIN32_LEAN_AND_MEAN
+#define WIN32_EXTRA_LEAN
+#include "windows.h"
+#include "mmsystem.h"
+#include "mmreg.h"
+#include "4klang.h"
+
+#define USE_SOUND_THREAD
+
+#pragma bss_seg(".synthnothing")
+static float lpSoundBuffer[MAX_SAMPLES * 2];
+static HWAVEOUT	hWaveOut;
+
+#pragma data_seg(".wavefmt")
+WAVEFORMATEX WaveFMT =
+{
+#ifdef FLOAT_32BIT	
+	WAVE_FORMAT_IEEE_FLOAT,
+#else
+	WAVE_FORMAT_PCM,
+#endif		
+	2, // channels
+	SAMPLE_RATE, // samples per sec
+	SAMPLE_RATE*sizeof(SAMPLE_TYPE)* 2, // bytes per sec
+	sizeof(SAMPLE_TYPE)* 2, // block alignment;
+	sizeof(SAMPLE_TYPE)* 8, // bits per sample
+	0 // extension not needed
+};
+
+#pragma data_seg(".wavehdr")
+WAVEHDR WaveHDR =
+{
+	(LPSTR)lpSoundBuffer,
+	MAX_SAMPLES*sizeof(SAMPLE_TYPE)* 2,			// MAX_SAMPLES*sizeof(float)*2(stereo)
+	0,
+	0,
+	WHDR_PREPARED,
+	0,
+	0,
+	0
+};
+
+#pragma data_seg(".mmtime")
+MMTIME MMTime =
+{
+	TIME_SAMPLES,
+	0
+};
+
+#ifndef _DEBUG
+#pragma code_seg(".initsnd")
+#endif
+__forceinline void InitSound()
+{
+#ifdef USE_SOUND_THREAD
+	::CreateThread(0, 0, (LPTHREAD_START_ROUTINE)_4klang_render, lpSoundBuffer, 0, 0);
+#else
+	_4klang_render(lpSoundBuffer);
+#endif
+}
+
+#ifndef _DEBUG
+#pragma code_seg(".playsnd")
+#endif
+__forceinline void PlaySound()
+{
+	waveOutOpen(&hWaveOut, WAVE_MAPPER, &WaveFMT, NULL, 0, CALLBACK_NULL);
+	//waveOutPrepareHeader( hWaveOut, &WaveHDR, sizeof(WaveHDR) );
+	waveOutWrite(hWaveOut, &WaveHDR, sizeof(WaveHDR));
+}
+
+#ifndef _DEBUG
+#pragma code_seg(".sample")
+#endif
+__forceinline void get_Sample()
+{
+	waveOutGetPosition(hWaveOut, &MMTime, sizeof(MMTIME));
+}