1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/* $Id: ntPlayToneWaveX.cpp $ */
/** @file
* ????
*/
/*
* Copyright (C) 2012-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/win/windows.h>
#include <iprt/getopt.h>
#include <iprt/initterm.h>
#include <iprt/message.h>
#include <iprt/stream.h>
#include <iprt/errcore.h>
#define _USE_MATH_DEFINES
#include <math.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
uint32_t g_cSamplesPerSec = 44100;
uint32_t g_cSamplesPerPeriod = 100; // 441.0Hz for 44.1kHz
uint32_t g_cSamplesInBuffer = 4096;
double g_rdSecDuration = 5.0;
uint32_t g_cbSample; // assuming 16-bit stereo (for now)
HWAVEOUT g_hWaveOut;
HANDLE g_hWavEvent;
int main(int argc, char **argv)
{
int rc = RTR3InitExe(argc, &argv, 0);
if (RT_FAILURE(rc))
return RTMsgInitFailure(rc);
static const RTGETOPTDEF s_aOptions[] =
{
{ "--samples-per-sec", 's', RTGETOPT_REQ_UINT32 },
{ "--period-in-samples", 'p', RTGETOPT_REQ_UINT32 },
{ "--bufsize-in-samples", 'b', RTGETOPT_REQ_UINT32 },
{ "--total-duration-in-secs", 'd', RTGETOPT_REQ_UINT32 }
};
RTGETOPTSTATE State;
RTGetOptInit(&State, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
RTGETOPTUNION ValueUnion;
int chOpt;
while ((chOpt = RTGetOpt(&State, &ValueUnion)) != 0)
{
switch (chOpt)
{
case 's': g_cSamplesPerSec = ValueUnion.u32; break;
case 'p': g_cSamplesPerPeriod = ValueUnion.u32; break;
case 'b': g_cSamplesInBuffer = ValueUnion.u32; break;
case 'd': g_rdSecDuration = ValueUnion.u32; break;
case 'h':
RTPrintf("usage: ntPlayToneWaveX.exe\n"
"[-s|--samples-per-sec]\n"
"[-p|--period-in-samples]\n"
"[-b|--bufsize-in-samples]\n"
"[-d|--total-duration-in-secs]\n"
"\n"
"Plays sine tone using ancient waveX API\n");
return 0;
default:
return RTGetOptPrintError(chOpt, &ValueUnion);
}
}
WAVEFORMATEX waveFormatEx = { 0 };
MMRESULT mmresult;
waveFormatEx.wFormatTag = WAVE_FORMAT_PCM;
waveFormatEx.nChannels = 2;
waveFormatEx.nSamplesPerSec = g_cSamplesPerSec;
waveFormatEx.wBitsPerSample = 16;
waveFormatEx.nBlockAlign = g_cbSample = waveFormatEx.nChannels * waveFormatEx.wBitsPerSample / 8;
waveFormatEx.nAvgBytesPerSec = waveFormatEx.nBlockAlign * waveFormatEx.nSamplesPerSec;
waveFormatEx.cbSize = 0;
g_hWavEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
mmresult = waveOutOpen(&g_hWaveOut, WAVE_MAPPER, &waveFormatEx, (DWORD_PTR)g_hWavEvent, NULL, CALLBACK_EVENT);
if (mmresult != MMSYSERR_NOERROR)
{
RTMsgError("waveOutOpen failed with 0x%X\n", mmresult);
return -1;
}
uint32_t ui32SamplesToPlayTotal = (uint32_t)(g_rdSecDuration * g_cSamplesPerSec);
uint32_t ui32SamplesToPlay = ui32SamplesToPlayTotal;
uint32_t ui32SamplesPlayed = 0;
uint32_t ui32SamplesForWavBuf;
WAVEHDR waveHdr1 = {0}, waveHdr2 = {0}, *pWaveHdr, *pWaveHdrPlaying, *pWaveHdrWaiting;
uint32_t i, k;
DWORD res;
int16_t *i16Samples1 = (int16_t *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, g_cSamplesInBuffer * g_cbSample);
int16_t *i16Samples2 = (int16_t *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, g_cSamplesInBuffer * g_cbSample);
k = 0; // This is discrete time really!!!
for (i = 0; i < g_cSamplesInBuffer; i++, k++)
{
i16Samples1[2 * i] = (uint16_t)(10000.0 * sin(2.0 * M_PI * k / g_cSamplesPerPeriod));
i16Samples1[2 * i + 1] = i16Samples1[2 * i];
}
ui32SamplesForWavBuf = min(ui32SamplesToPlay, g_cSamplesInBuffer);
waveHdr1.lpData = (LPSTR)i16Samples1;
waveHdr1.dwBufferLength = ui32SamplesForWavBuf * g_cbSample;
waveHdr1.dwFlags = 0;
waveHdr1.dwLoops = 0;
ui32SamplesToPlay -= ui32SamplesForWavBuf;
ui32SamplesPlayed += ui32SamplesForWavBuf;
pWaveHdrPlaying = &waveHdr1;
mmresult = waveOutPrepareHeader(g_hWaveOut, pWaveHdrPlaying, sizeof(WAVEHDR));
mmresult = waveOutWrite(g_hWaveOut, pWaveHdrPlaying, sizeof(WAVEHDR));
//RTMsgInfo("waveOutWrite completes with %d\n", mmresult);
res = WaitForSingleObject(g_hWavEvent, INFINITE);
//RTMsgInfo("WaitForSingleObject completes with %d\n\n", res);
waveHdr2.lpData = (LPSTR)i16Samples2;
waveHdr2.dwBufferLength = 0;
waveHdr2.dwFlags = 0;
waveHdr2.dwLoops = 0;
pWaveHdrWaiting = &waveHdr2;
while (ui32SamplesToPlay > 0)
{
int16_t *i16Samples = (int16_t *)pWaveHdrWaiting->lpData;
for (i = 0; i < g_cSamplesInBuffer; i++, k++)
{
i16Samples[2 * i] = (uint16_t)(10000.0 * sin(2.0 * M_PI * k / g_cSamplesPerPeriod));
i16Samples[2 * i + 1] = i16Samples[2 * i];
}
ui32SamplesForWavBuf = min(ui32SamplesToPlay, g_cSamplesInBuffer);
pWaveHdrWaiting->dwBufferLength = ui32SamplesForWavBuf * g_cbSample;
pWaveHdrWaiting->dwFlags = 0;
pWaveHdrWaiting->dwLoops = 0;
ui32SamplesToPlay -= ui32SamplesForWavBuf;
ui32SamplesPlayed += ui32SamplesForWavBuf;
mmresult = waveOutPrepareHeader(g_hWaveOut, pWaveHdrWaiting, sizeof(WAVEHDR));
mmresult = waveOutWrite(g_hWaveOut, pWaveHdrWaiting, sizeof(WAVEHDR));
//RTMsgInfo("waveOutWrite completes with %d\n", mmresult);
res = WaitForSingleObject(g_hWavEvent, INFINITE);
//RTMsgInfo("WaitForSingleObject completes with %d\n\n", res);
mmresult = waveOutUnprepareHeader(g_hWaveOut, pWaveHdrPlaying, sizeof(WAVEHDR));
//RTMsgInfo("waveOutUnprepareHeader completes with %d\n", mmresult);
pWaveHdr = pWaveHdrWaiting;
pWaveHdrWaiting = pWaveHdrPlaying;
pWaveHdrPlaying = pWaveHdr;
}
while (mmresult = waveOutUnprepareHeader(g_hWaveOut, pWaveHdrPlaying, sizeof(WAVEHDR)))
{
//Expecting WAVERR_STILLPLAYING
//RTMsgInfo("waveOutUnprepareHeader failed with 0x%X\n", mmresult);
Sleep(100);
}
if (mmresult == MMSYSERR_NOERROR)
{
waveOutClose(g_hWaveOut);
}
HeapFree(GetProcessHeap(), 0, i16Samples1);
HeapFree(GetProcessHeap(), 0, i16Samples2);
}
|
