1 | //////////////////////////////////////////////////////////// |
---|
2 | // Copyright (C) Roman Ryltsov, 2008-2011 |
---|
3 | // Created by Roman Ryltsov roman@alax.info |
---|
4 | // |
---|
5 | // $Id: WaveOutMultiPlay.cpp 26 2011-10-07 14:19:25Z roman $ |
---|
6 | |
---|
7 | #include "stdafx.h" |
---|
8 | #define _USE_MATH_DEFINES |
---|
9 | #include <math.h> |
---|
10 | #include <mmsystem.h> |
---|
11 | |
---|
12 | #pragma comment(lib, "winmm.lib") |
---|
13 | |
---|
14 | CString g_sOptions; |
---|
15 | |
---|
16 | VOID Check(MMRESULT nResult) |
---|
17 | { |
---|
18 | if(nResult == MMSYSERR_NOERROR) |
---|
19 | return; |
---|
20 | _tprintf(_T("nResult %d\n"), nResult); |
---|
21 | AtlThrow(E_FAIL); |
---|
22 | } |
---|
23 | |
---|
24 | VOID Play(const WAVEFORMATEX& WaveFormatEx, UINT nFrequency) |
---|
25 | { |
---|
26 | _ATLTRY |
---|
27 | { |
---|
28 | HWAVEOUT hWaveOut = NULL; |
---|
29 | if(g_sOptions.Find(_T("0")) >= 0) |
---|
30 | Check(waveOutOpen(&hWaveOut, 0, &WaveFormatEx, NULL, NULL, CALLBACK_NULL)); |
---|
31 | else |
---|
32 | Check(waveOutOpen(&hWaveOut, WAVE_MAPPER, &WaveFormatEx, NULL, NULL, CALLBACK_NULL)); |
---|
33 | ATLASSERT(hWaveOut); |
---|
34 | WAVEHDR* pWaveHeader; |
---|
35 | HGLOBAL hWaveHeader = (WAVEHDR*) GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, sizeof *pWaveHeader + WaveFormatEx.nAvgBytesPerSec * 10); |
---|
36 | pWaveHeader = (WAVEHDR*) GlobalLock(hWaveHeader); |
---|
37 | ATLENSURE_THROW(pWaveHeader, E_OUTOFMEMORY); |
---|
38 | pWaveHeader->lpData = (LPSTR) (BYTE*) (pWaveHeader + 1); |
---|
39 | pWaveHeader->dwBufferLength = WaveFormatEx.nAvgBytesPerSec * 10; |
---|
40 | //pWaveHeader->dwUser = |
---|
41 | pWaveHeader->dwFlags = 0; |
---|
42 | pWaveHeader->dwLoops = 0; |
---|
43 | #pragma region Generate Actual Data |
---|
44 | { |
---|
45 | SHORT* pnData = (SHORT*) pWaveHeader->lpData; |
---|
46 | SIZE_T nDataCount = pWaveHeader->dwBufferLength / sizeof *pnData; |
---|
47 | for(SIZE_T nIndex = 0; nIndex < nDataCount; nIndex++) |
---|
48 | pnData[nIndex] = (SHORT) (32000 * sin(1.0 * nIndex / WaveFormatEx.nSamplesPerSec * nFrequency * 2 * M_PI)); |
---|
49 | } |
---|
50 | #pragma endregion |
---|
51 | Check(waveOutPrepareHeader(hWaveOut, pWaveHeader, sizeof *pWaveHeader)); |
---|
52 | Check(waveOutWrite(hWaveOut, pWaveHeader, sizeof *pWaveHeader)); |
---|
53 | GlobalUnlock(hWaveHeader); |
---|
54 | Sleep(INFINITE); |
---|
55 | } |
---|
56 | _ATLCATCHALL() |
---|
57 | { |
---|
58 | _tprintf(_T("Fatal error while trying to play waveform, nFrequency %d\n"), nFrequency); |
---|
59 | } |
---|
60 | } |
---|
61 | |
---|
62 | UINT STDMETHODCALLTYPE PlayA(VOID*) |
---|
63 | { |
---|
64 | static const WAVEFORMATEX g_WaveFormatEx = |
---|
65 | { |
---|
66 | WAVE_FORMAT_PCM, |
---|
67 | 1, |
---|
68 | 22050, |
---|
69 | 44100, |
---|
70 | 2, |
---|
71 | 16 |
---|
72 | }; |
---|
73 | Play(g_WaveFormatEx, 1000); |
---|
74 | return 0; |
---|
75 | } |
---|
76 | |
---|
77 | UINT STDMETHODCALLTYPE PlayB(VOID*) |
---|
78 | { |
---|
79 | static const WAVEFORMATEX g_WaveFormatEx = |
---|
80 | { |
---|
81 | WAVE_FORMAT_PCM, |
---|
82 | 1, |
---|
83 | 32000, |
---|
84 | 64000, |
---|
85 | 2, |
---|
86 | 16 |
---|
87 | }; |
---|
88 | Play(g_WaveFormatEx, 5000); |
---|
89 | return 0; |
---|
90 | } |
---|
91 | |
---|
92 | UINT STDMETHODCALLTYPE PlayC(VOID*) |
---|
93 | { |
---|
94 | static const WAVEFORMATEX g_WaveFormatEx = |
---|
95 | { |
---|
96 | WAVE_FORMAT_PCM, |
---|
97 | 1, |
---|
98 | 44100, |
---|
99 | 88200, |
---|
100 | 2, |
---|
101 | 16 |
---|
102 | }; |
---|
103 | Play(g_WaveFormatEx, 15000); |
---|
104 | return 0; |
---|
105 | } |
---|
106 | |
---|
107 | int _tmain(int argc, _TCHAR* argv[]) |
---|
108 | { |
---|
109 | if(argc <= 1) |
---|
110 | { |
---|
111 | _tprintf(_T("Syntax: WaveOutMultiPlay [a][b][c][0]\n")); |
---|
112 | _tprintf(_T(" Run 'WaveOutMultiPlay abc' to simultaneously play 1 kHz, 5 kHz and 15 kHz via default audio output device\n")); |
---|
113 | return 1; |
---|
114 | } |
---|
115 | g_sOptions = argv[1]; |
---|
116 | if(g_sOptions.Find(_T('a')) >= 0) |
---|
117 | ATLVERIFY(_beginthreadex(NULL, 0, &PlayA, NULL, 0, NULL)); |
---|
118 | if(g_sOptions.Find(_T('b')) >= 0) |
---|
119 | ATLVERIFY(_beginthreadex(NULL, 0, &PlayB, NULL, 0, NULL)); |
---|
120 | if(g_sOptions.Find(_T('c')) >= 0) |
---|
121 | ATLVERIFY(_beginthreadex(NULL, 0, &PlayC, NULL, 0, NULL)); |
---|
122 | Sleep(INFINITE); |
---|
123 | return 0; |
---|
124 | } |
---|
125 | |
---|