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Keep track of open devices

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This commit is contained in:
Chris Robinson 2008-01-14 10:39:54 -08:00
parent 38db8eb64b
commit 29c6238b52
2 changed files with 41 additions and 0 deletions
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39
Alc/ALc.c
View File

@ -191,6 +191,9 @@ static ALCint alcEFXMinorVersion = 0;
///////////////////////////////////////////////////////
// Global Variables
static ALCdevice *g_pDeviceList = NULL;
static ALCuint g_ulDeviceCount = 0;
// Context List
static ALCcontext *g_pContextList = NULL;
static ALCuint g_ulContextCount = 0;
@ -468,6 +471,12 @@ ALCAPI ALCdevice* ALCAPIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, AL
pDevice->Funcs = &BackendList[i].Funcs;
if(ALCdevice_OpenCapture(pDevice, deviceName, frequency, format, SampleSize))
{
SuspendContext(NULL);
pDevice->next = g_pDeviceList;
g_pDeviceList = pDevice;
g_ulDeviceCount++;
ProcessContext(NULL);
DeviceFound = ALC_TRUE;
break;
}
@ -491,9 +500,21 @@ ALCAPI ALCdevice* ALCAPIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, AL
ALCAPI ALCboolean ALCAPIENTRY alcCaptureCloseDevice(ALCdevice *pDevice)
{
ALCboolean bReturn = ALC_FALSE;
ALCdevice **list;
if ((pDevice)&&(pDevice->IsCaptureDevice))
{
SuspendContext(NULL);
list = &g_pDeviceList;
while(*list != pDevice)
list = &(*list)->next;
*list = (*list)->next;
g_ulDeviceCount--;
ProcessContext(NULL);
ALCdevice_CloseCapture(pDevice);
free(pDevice);
@ -1157,6 +1178,12 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
device->Funcs = &BackendList[i].Funcs;
if(ALCdevice_OpenPlayback(device, deviceName))
{
SuspendContext(NULL);
device->next = g_pDeviceList;
g_pDeviceList = device;
g_ulDeviceCount++;
ProcessContext(NULL);
bDeviceFound = AL_TRUE;
break;
}
@ -1182,9 +1209,21 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
ALCAPI ALCboolean ALCAPIENTRY alcCloseDevice(ALCdevice *pDevice)
{
ALCboolean bReturn = ALC_FALSE;
ALCdevice **list;
if ((pDevice)&&(!pDevice->IsCaptureDevice))
{
SuspendContext(NULL);
list = &g_pDeviceList;
while(*list != pDevice)
list = &(*list)->next;
*list = (*list)->next;
g_ulDeviceCount--;
ProcessContext(NULL);
ALCdevice_ClosePlayback(pDevice);
//Release device structure

2
OpenAL32/Include/alMain.h
View File

@ -174,6 +174,8 @@ struct ALCdevice_struct
BackendFuncs *Funcs;
void *ExtraData; // For the backend's use
ALCdevice *next;
};
#define ALCdevice_OpenPlayback(a,b) ((a)->Funcs->OpenPlayback((a), (b)))