怎样在程序中选择录音输入设备,在线等待!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

WuOu 2005-06-27 02:54:40
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WuOu 2005-06-28
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楼上的byron1大哥,谢谢你哦,结贴时等着算分吧.
byron1 2005-06-27
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BOOL amdGetLineInSelectControl()
{
MIXERLINE mxl;
MIXERCONTROL mxc;
MIXERLINECONTROLS mxlc;
MIXERCONTROLDETAILS_LISTTEXT *pmxcdSelectText;
DWORD dwi = 0;
if (g_hMixer == NULL)
{
return FALSE;
}

// get dwLineID
mxl.cbStruct = sizeof(MIXERLINE);
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
if (mixerGetLineInfo((HMIXEROBJ)(g_hMixer),
&mxl,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINEINFOF_COMPONENTTYPE)
!= MMSYSERR_NOERROR)
{
return FALSE;
}

// get dwControlID
g_dwControlType = MIXERCONTROL_CONTROLTYPE_MIXER;
mxlc.cbStruct = sizeof(MIXERLINECONTROLS);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = g_dwControlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = &mxc;
if (mixerGetLineControls((HMIXEROBJ)(g_hMixer),
&mxlc,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINECONTROLSF_ONEBYTYPE)
!= MMSYSERR_NOERROR)
{
// no mixer, try MUX
g_dwControlType = MIXERCONTROL_CONTROLTYPE_MUX;
mxlc.cbStruct = sizeof(MIXERLINECONTROLS);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = g_dwControlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = &mxc;
if (mixerGetLineControls((HMIXEROBJ)(g_hMixer),
&mxlc,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINECONTROLSF_ONEBYTYPE)
!= MMSYSERR_NOERROR)
{
return FALSE;
}
}

// store dwControlID, cMultipleItems
g_dwSelectControlID = mxc.dwControlID;
g_dwMultipleItems = mxc.cMultipleItems;

if (g_dwMultipleItems == 0)
{
return FALSE;
}

// get the index of the LineIn Select control
pmxcdSelectText =
malloc(sizeof( MIXERCONTROLDETAILS_LISTTEXT)*g_dwMultipleItems);

if (pmxcdSelectText != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_LISTTEXT);
mxcd.paDetails = pmxcdSelectText;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_LISTTEXT)
== MMSYSERR_NOERROR)
{
// determine which controls the Line In source line
for (dwi = 0; dwi < g_dwMultipleItems; dwi++)
{
// get the line information
MIXERLINE mxl;
mxl.cbStruct = sizeof(MIXERLINE);
mxl.dwLineID = pmxcdSelectText[dwi].dwParam1;
if (mixerGetLineInfo((HMIXEROBJ)(g_hMixer),
&mxl,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINEINFOF_LINEID)
== MMSYSERR_NOERROR &&
mxl.dwComponentType == MIXERLINE_COMPONENTTYPE_SRC_LINE)
{
// found, dwi is the index.
g_dwIndex = dwi;
break;
}
}

if (dwi >= g_dwMultipleItems)
{
// could not find it using line IDs, some mixer drivers have
// different meaning for MIXERCONTROLDETAILS_LISTTEXT.dwParam1.
// let's try comparing the item names.
for (dwi = 0; dwi < g_dwMultipleItems; dwi++)
{
if (lstrcmp(pmxcdSelectText[dwi].szName,
"Line In") == 0)
{
// found, dwi is the index.
g_dwIndex = dwi;
break;
}
}
}
}

free(pmxcdSelectText);
}

return g_dwIndex < g_dwMultipleItems;
}

BOOL amdGetLineInSelectValue(LONG* plVal)
{
BOOL bRetVal = FALSE;
MIXERCONTROLDETAILS_BOOLEAN *pmxcdSelectValue ;

if (g_hMixer == NULL ||
g_dwMultipleItems == 0 ||
g_dwIndex >= g_dwMultipleItems)
{
return FALSE;
}


pmxcdSelectValue =
malloc(sizeof(MIXERCONTROLDETAILS_BOOLEAN)*g_dwMultipleItems);

if (pmxcdSelectValue != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
*plVal = pmxcdSelectValue[g_dwIndex].fValue;
bRetVal = TRUE;
}

free(pmxcdSelectValue);
}

return bRetVal;
}

BOOL amdSetLineInSelectValue(LONG lVal)
{
MIXERCONTROLDETAILS_BOOLEAN *pmxcdSelectValue;
BOOL bRetVal = FALSE;
if (g_hMixer == NULL ||
g_dwMultipleItems == 0 ||
g_dwIndex >= g_dwMultipleItems)
{
return FALSE;
}


// get all the values first
pmxcdSelectValue =
malloc(sizeof( MIXERCONTROLDETAILS_BOOLEAN)*g_dwMultipleItems);

if (pmxcdSelectValue != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
ASSERT(g_dwControlType == MIXERCONTROL_CONTROLTYPE_MIXER ||
g_dwControlType == MIXERCONTROL_CONTROLTYPE_MUX);

// MUX restricts the line selection to one source line at a time.
if (lVal != 0 && g_dwControlType == MIXERCONTROL_CONTROLTYPE_MUX)
{
ZeroMemory(pmxcdSelectValue,
g_dwMultipleItems * sizeof(MIXERCONTROLDETAILS_BOOLEAN));
}

// set the Line In value
pmxcdSelectValue[g_dwIndex].fValue = lVal;

mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerSetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_SETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
bRetVal = TRUE;
}
}

free(pmxcdSelectValue);
}

return bRetVal;
}


BOOL SetMicSelected()
{
LONG lVal=1;
if(!amdInitialize())
return FALSE;
if(!amdGetMicSelectControl())
return FALSE;
if(!amdSetMicSelectValue(lVal) )
return FALSE;
amdUninitialize();
return TRUE;
}

BOOL SetLineInSelected()
{
LONG lVal=1;
if(!amdInitialize())
return FALSE;
if(!amdGetLineInSelectControl())
return FALSE;
if(!amdSetMicSelectValue(lVal) )
return FALSE;
amdUninitialize();
return TRUE;
}
byron1 2005-06-27
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BOOL amdGetMicSelectControl()
{
MIXERLINE mxl;
MIXERCONTROL mxc;
MIXERLINECONTROLS mxlc;
MIXERCONTROLDETAILS_LISTTEXT *pmxcdSelectText;
DWORD dwi = 0;

if (g_hMixer == NULL)
{
return FALSE;
}

// get dwLineID
mxl.cbStruct = sizeof(MIXERLINE);
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
if (mixerGetLineInfo((HMIXEROBJ)(g_hMixer),
&mxl,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINEINFOF_COMPONENTTYPE)
!= MMSYSERR_NOERROR)
{
return FALSE;
}

// get dwControlID
g_dwControlType = MIXERCONTROL_CONTROLTYPE_MIXER;
mxlc.cbStruct = sizeof(MIXERLINECONTROLS);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = g_dwControlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = &mxc;
if (mixerGetLineControls((HMIXEROBJ)(g_hMixer),
&mxlc,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINECONTROLSF_ONEBYTYPE)
!= MMSYSERR_NOERROR)
{
// no mixer, try MUX
g_dwControlType = MIXERCONTROL_CONTROLTYPE_MUX;
mxlc.cbStruct = sizeof(MIXERLINECONTROLS);
mxlc.dwLineID = mxl.dwLineID;
mxlc.dwControlType = g_dwControlType;
mxlc.cControls = 1;
mxlc.cbmxctrl = sizeof(MIXERCONTROL);
mxlc.pamxctrl = &mxc;
if (mixerGetLineControls((HMIXEROBJ)(g_hMixer),
&mxlc,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINECONTROLSF_ONEBYTYPE)
!= MMSYSERR_NOERROR)
{
return FALSE;
}
}

// store dwControlID, cMultipleItems
g_dwSelectControlID = mxc.dwControlID;
g_dwMultipleItems = mxc.cMultipleItems;

if (g_dwMultipleItems == 0)
{
return FALSE;
}

// get the index of the Microphone Select control
pmxcdSelectText =
malloc(sizeof(MIXERCONTROLDETAILS_LISTTEXT)*g_dwMultipleItems);

if (pmxcdSelectText != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_LISTTEXT);
mxcd.paDetails = pmxcdSelectText;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_LISTTEXT)
== MMSYSERR_NOERROR)
{
// determine which controls the Microphone source line
for (dwi = 0; dwi < g_dwMultipleItems; dwi++)
{
// get the line information
MIXERLINE mxl;
mxl.cbStruct = sizeof(MIXERLINE);
mxl.dwLineID = pmxcdSelectText[dwi].dwParam1;
if (mixerGetLineInfo((HMIXEROBJ)(g_hMixer),
&mxl,
MIXER_OBJECTF_HMIXER |
MIXER_GETLINEINFOF_LINEID)
== MMSYSERR_NOERROR &&
mxl.dwComponentType == MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE)
{
// found, dwi is the index.
g_dwIndex = dwi;
break;
}
}

if (dwi >= g_dwMultipleItems)
{
// could not find it using line IDs, some mixer drivers have
// different meaning for MIXERCONTROLDETAILS_LISTTEXT.dwParam1.
// let's try comparing the item names.
for (dwi = 0; dwi < g_dwMultipleItems; dwi++)
{
if (lstrcmp(pmxcdSelectText[dwi].szName,
"Microphone") == 0)
{
// found, dwi is the index.
g_dwIndex = dwi;
break;
}
}
}
}

free(pmxcdSelectText);
}

return g_dwIndex < g_dwMultipleItems;
}

BOOL amdGetMicSelectValue(LONG* plVal)
{
BOOL bRetVal = FALSE;
MIXERCONTROLDETAILS_BOOLEAN *pmxcdSelectValue ;
if (g_hMixer == NULL ||
g_dwMultipleItems == 0 ||
g_dwIndex >= g_dwMultipleItems)
{
return FALSE;
}


pmxcdSelectValue =
malloc(sizeof(MIXERCONTROLDETAILS_BOOLEAN)*g_dwMultipleItems);

if (pmxcdSelectValue != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
*plVal = pmxcdSelectValue[g_dwIndex].fValue;
bRetVal = TRUE;
}

free(pmxcdSelectValue);
}

return bRetVal;
}

BOOL amdSetMicSelectValue(LONG lVal)
{
BOOL bRetVal = FALSE;
MIXERCONTROLDETAILS_BOOLEAN *pmxcdSelectValue;
if (g_hMixer == NULL ||
g_dwMultipleItems == 0 ||
g_dwIndex >= g_dwMultipleItems)
{
return FALSE;
}


// get all the values first
pmxcdSelectValue =
malloc(sizeof( MIXERCONTROLDETAILS_BOOLEAN)*g_dwMultipleItems);

if (pmxcdSelectValue != NULL)
{
MIXERCONTROLDETAILS mxcd;
mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerGetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_GETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
ASSERT(g_dwControlType == MIXERCONTROL_CONTROLTYPE_MIXER ||
g_dwControlType == MIXERCONTROL_CONTROLTYPE_MUX);

// MUX restricts the line selection to one source line at a time.
if (lVal != 0 && g_dwControlType == MIXERCONTROL_CONTROLTYPE_MUX)
{
ZeroMemory(pmxcdSelectValue,
g_dwMultipleItems * sizeof(MIXERCONTROLDETAILS_BOOLEAN));
}

// set the Microphone value
pmxcdSelectValue[g_dwIndex].fValue = lVal;

mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
mxcd.dwControlID = g_dwSelectControlID;
mxcd.cChannels = 1;
mxcd.cMultipleItems = g_dwMultipleItems;
mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_BOOLEAN);
mxcd.paDetails = pmxcdSelectValue;
if (mixerSetControlDetails((HMIXEROBJ)(g_hMixer),
&mxcd,
MIXER_OBJECTF_HMIXER |
MIXER_SETCONTROLDETAILSF_VALUE)
== MMSYSERR_NOERROR)
{
bRetVal = TRUE;
}
}

free(pmxcdSelectValue);
}

return bRetVal;
}
byron1 2005-06-27
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我这儿有音源设定的程序,只有选从麦克风录音还是从LineIn录音.至于音量调节网上很多,建议去www.codeproject.com搜索一下.



//Mixer.c
//Implementation of Mixer.h
///////////////////////////////////////////////////////////////////////////
#include <WTYPES.H>
#include <MMSYSTEM.H>
#include <STDLIB.H>
#include <STDIO.H>
#include <LIMITS.H>
#include "Mixer.h"

//Debug Info
#ifdef _DEBUG
#define ASSERT(t) \
if(t!=TRUE)\
printf("ASSERT FAILURE IN FILE:%s,LINE:%d", __FILE__,__LINE__)
#else //_DEBUG
#define ASSERT(t) ((void)0)
#endif//_DEBUG
//end DEBUG



UINT g_nNumMixers=0;//系统中的混音器数量
HMIXER g_hMixer=NULL;//混音器句柄
MIXERCAPS g_mxcaps;//混音器性能
DWORD g_dwControlType;//控件类型
DWORD g_dwSelectControlID;//录音音源的check控件ID号
DWORD g_dwMultipleItems;//备选的录音音源数量
DWORD g_dwIndex;//当前查询/设置录音音源的录音音源下标

//初始化混音器
BOOL amdInitialize()
{
ASSERT(g_hMixer == NULL);

// get the number of mixer devices present in the system
g_nNumMixers = mixerGetNumDevs();

g_hMixer = NULL;
ZeroMemory(&g_mxcaps, sizeof(MIXERCAPS));

g_dwControlType = 0;
g_dwSelectControlID = 0;
g_dwMultipleItems = 0;
g_dwIndex = ULONG_MAX;

// open the first mixer
// A "mapper" for audio mixer devices does not currently exist.
if (g_nNumMixers != 0)
{
if (mixerOpen(&g_hMixer,
0,
0, //no callback mechanism
0,
MIXER_OBJECTF_MIXER )
!= MMSYSERR_NOERROR)
{
return FALSE;
}

if (mixerGetDevCaps((UINT)(g_hMixer),
&g_mxcaps, sizeof(MIXERCAPS))
!= MMSYSERR_NOERROR)
{
return FALSE;
}
return TRUE;
}
return FALSE;

}

BOOL amdUninitialize()
{
BOOL bSucc = TRUE;

if (g_hMixer != NULL)
{
bSucc = (mixerClose(g_hMixer) == MMSYSERR_NOERROR);
g_hMixer = NULL;
}

return bSucc;
}
WuOu 2005-06-27
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求求各位了,路过顶一下也好啊.
WuOu 2005-06-27
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高手们哪,帮帮忙噻.
WuOu 2005-06-27
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怎样在程序中选择录音输入设备（比如麦克风），并且控制其音量？
zs语音软件
可以通过本程序托盘菜单的检查更新或直接进入官网查看最新版本（当前版本可以在关于窗口查看），从官网下载最新安装包后，只需直接安装便可完成更新，用户设置并不会丢失！ 语音识别功能： 本软件提供了语音到文字...
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转载：windows录音程序原理
依赖条件：1 #pragma comment ( lib, "winmm.lib" ) 音频的输入大体分三步 1 打开设备 -----waveInOpen（打开一个...之前调用一下waveInReset，这样可以清掉尚在等待录音的缓冲区 常用的相关API为： w...
windows 录音程序（一）
（一）概述 1.依赖条件：winmm.lib ...（3）关闭设备 ----- waveInClose关闭录音（调用一下waveInReset，这样可以清掉尚在等待录音的缓冲区）； 3.常用API： （1）waveInOpen：打开一个音频...
windows录音程序原理
依赖条件：1 #pragma comment ( lib, "winmm.lib" ) 音频的输入大体分三步 1 打开设备 -----waveInOpen（打开一个...之前调用一下waveInReset，这样可以清掉尚在等待录音的缓冲区 常用的相关API为： w...
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