How to control the cdplayer with the AutoPC? We don't know what we are doing wrong.
we've got something like this:
//----------------------------------------------------------------------------------------------
// function: CSRApp::InitCdPlayer
//
//
//----------------------------------------------------------------------------------------------
BOOL
CSRApp::CD_InitPlayer()
{
AAM_SRCCAP asc;
//asc.m_dwID = AAM_SRC_CD;
if (AAM_GetSourceCap(AAM_SRC_CD/*BYID*/,&asc)== 0)// zero indicates succes, returns the capabilities of a specified audio source
{
g_hDev = CreateFile (asc.m_szDevDrv/*TEXT ("CDR1:")*/, GENERIC_READ,// creates a handle to the device
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, 0);
g_pApp->m_pSpeech->Speak(L"Create file succeeded, you hoe!",0);
if (INVALID_HANDLE_VALUE == g_hDev)
{
g_pApp->m_pSpeech->Speak(L"handel to device not succeeded!",0);
return( FALSE);
}
else
{
AAM_SelectSource(AAM_SRC_CD);// select the CD-Player
g_pApp->m_pSpeech->Speak(L"Select source CD player succeeded",0);
return TRUE;//FALSE;
CD_GetDiskInfo();
}
}
else
{
g_pApp->m_pSpeech->Speak(L"init cd player not succeeded!",0);
return FALSE;
}
}
//----------------------------------------------------------------------------------------------
// function: CSRApp::CD_GetDeviceStatus
//
//
//----------------------------------------------------------------------------------------------
BOOL
CSRApp::CD_GetDeviceStatus()
{
DWORD RetDataLen;
CDROM_DEVSTAT g_Status;
//g_Status.Reserved = 0;
//g_Status.DeviceStatus = 0x6D6E0000; // don't care
//g_Status.DeviceStatus = 0x00000000; // don't care
if (DeviceIoControl(g_hDev, CDROM_IOCTL_GET_DEVICE_STATUS,
&g_Status,
sizeof(g_Status),
NULL, 0,
&RetDataLen, NULL) == 0)
{
g_pApp->m_pSpeech->Speak(L"device status not succeeded!",0);
return( FALSE);
}
return (TRUE);
}
//----------------------------------------------------------------------------------------------
// function: CSRApp::cdGetDiskInfo
//
//
//----------------------------------------------------------------------------------------------
BOOL
CSRApp::CD_GetDiskInfo()
{
DWORD RetDataLen;
WORD wTrackIdx;
g_DiskValid = FALSE; // Assume no disk info
g_DiscInfo.Reserved = 0;
g_DiscInfo.ReqSession = 0;//0xff; // Do you want the last session?
if (DeviceIoControl(g_hDev, // This obtains the Table of
// Contents for the disk
CDROM_IOCTL_DISC_INFO,
&g_DiscInfo,
sizeof(g_DiscInfo),
NULL, 0,
&RetDataLen, NULL) == 0)
{
g_pApp->m_pSpeech->Speak(L"device I O control discinfo not succeeded!",0);
return( FALSE);
}
g_nTracks = (WORD)g_DiscInfo.LastTrack + 1 - g_DiscInfo.FirstTrack;
for( wTrackIdx = 0; wTrackIdx < g_nTracks; wTrackIdx++)
{
g_TrackInfo.TrackNumber = g_DiscInfo.FirstTrack + wTrackIdx;
g_TrackInfo.Reserved = 0;
if (DeviceIoControl(g_hDev,
CDROM_IOCTL_TRACK_INFO, // This obtains the track
// starting address and other
// data.
&g_TrackInfo,
sizeof(g_TrackInfo),
NULL, 0,
&RetDataLen, NULL) != NO_ERROR)
{
g_pApp->m_pSpeech->Speak(L"device I O control trackinfo not succeeded!",0);
return( FALSE);
}
g_Tracks[wTrackIdx].ti_msfaddr = g_TrackInfo.TrackAddr;
g_Tracks[wTrackIdx].ti_ctl = g_TrackInfo.TrackControl;
}
g_DiskValid = TRUE;// Assume no disk info
g_pApp->m_pSpeech->Speak(L"get info succeeded!",0);
return(TRUE);
}
//----------------------------------------------------------------------------------------------
// function: CSRApp::Start_CdPplayer
//
//
//----------------------------------------------------------------------------------------------
BOOL
CSRApp::CD_StartPlayer()
{
//LPVOID PlayInfo;
// if (g_bCdPlayer)
// {
//if (/*g_pApp->*/CD_GetDiskInfo())
//{
int iTrack = g_TrackNumber;
DWORD RetDataLen;
CDROM_AUDPLAY cdaudioplay;
cdaudioplay.Reserved = 0;
cdaudioplay.PlayRegion.Mode = CDROM_ADDR_MSF;
cdaudioplay.PlayFlags = 0;
// destination , source
memcpy(&cdaudioplay.PlayRegion.StartAddr , &g_Tracks[iTrack ].ti_msfaddr, sizeof(MSF_ADDR));
memcpy(&cdaudioplay.PlayRegion.EndAddr , &g_Tracks[iTrack+1].ti_msfaddr, sizeof(MSF_ADDR));
if(DeviceIoControl(/*g_pApp->*/g_hDev,CDROM_IOCTL_AUDIO_PLAY,
&cdaudioplay, sizeof(cdaudioplay),
NULL, 0, &RetDataLen, NULL) != NO_ERROR)
{
g_pApp->m_pSpeech->Speak(L"The CD player has not been started",0);
return FALSE;
}
g_pApp->m_pSpeech->Speak(L"The CD player has been started",0);
}
// }
else
{
g_pApp->m_pSpeech->Speak(L"CD player not initialized, or already playing",0);
return FALSE;
}
return TRUE;
}
