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winealsa.drv: Prefix device names with direction indication.

This commit is contained in:
Andrew Eikum 2012-04-04 13:15:33 -05:00 committed by Alexandre Julliard
parent 04ccf4f100
commit ea231aba40
1 changed files with 54 additions and 25 deletions
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79
dlls/winealsa.drv/mmdevdrv.c
View File

@ -339,11 +339,60 @@ static BOOL alsa_try_open(const char *devnode, snd_pcm_stream_t stream)
return TRUE;
}
static WCHAR *construct_device_id(EDataFlow flow, const WCHAR *chunk1, const char *chunk2)
{
WCHAR *ret;
const WCHAR *prefix;
DWORD len_wchars = 0, chunk1_len, copied = 0, prefix_len;
static const WCHAR dashW[] = {' ','-',' ',0};
static const size_t dashW_len = (sizeof(dashW) / sizeof(*dashW)) - 1;
static const WCHAR outW[] = {'O','u','t',':',' ',0};
static const WCHAR inW[] = {'I','n',':',' ',0};
if(flow == eRender){
prefix = outW;
prefix_len = (sizeof(outW) / sizeof(*outW)) - 1;
len_wchars += prefix_len;
}else{
prefix = inW;
prefix_len = (sizeof(inW) / sizeof(*inW)) - 1;
len_wchars += prefix_len;
}
if(chunk1){
chunk1_len = strlenW(chunk1);
len_wchars += chunk1_len;
}
if(chunk1 && chunk2)
len_wchars += dashW_len;
if(chunk2)
len_wchars += MultiByteToWideChar(CP_UNIXCP, 0, chunk2, -1, NULL, 0) - 1;
len_wchars += 1; /* NULL byte */
ret = HeapAlloc(GetProcessHeap(), 0, len_wchars * sizeof(WCHAR));
memcpy(ret, prefix, prefix_len * sizeof(WCHAR));
copied += prefix_len;
if(chunk1){
memcpy(ret + copied, chunk1, chunk1_len * sizeof(WCHAR));
copied += chunk1_len;
}
if(chunk1 && chunk2){
memcpy(ret + copied, dashW, dashW_len * sizeof(WCHAR));
copied += dashW_len;
}
if(chunk2){
MultiByteToWideChar(CP_UNIXCP, 0, chunk2, -1, ret + copied, len_wchars - copied);
}else
ret[copied] = 0;
return ret;
}
static HRESULT alsa_get_card_devices(EDataFlow flow, snd_pcm_stream_t stream,
WCHAR **ids, GUID *guids, UINT *num, snd_ctl_t *ctl, int card,
const WCHAR *cardnameW)
{
static const WCHAR dashW[] = {' ','-',' ',0};
int err, device;
snd_pcm_info_t *info;
@ -377,8 +426,6 @@ static HRESULT alsa_get_card_devices(EDataFlow flow, snd_pcm_stream_t stream,
continue;
if(ids && guids){
DWORD len, cardlen;
devname = snd_pcm_info_get_name(info);
if(!devname){
WARN("Unable to get device name for card %d, device %d\n", card,
@ -386,21 +433,7 @@ static HRESULT alsa_get_card_devices(EDataFlow flow, snd_pcm_stream_t stream,
continue;
}
cardlen = lstrlenW(cardnameW);
len = MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, NULL, 0);
len += lstrlenW(dashW);
len += cardlen;
ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if(!ids[*num]){
HeapFree(GetProcessHeap(), 0, info);
return E_OUTOFMEMORY;
}
memcpy(ids[*num], cardnameW, cardlen * sizeof(WCHAR));
memcpy(ids[*num] + cardlen, dashW, lstrlenW(dashW) * sizeof(WCHAR));
cardlen += lstrlenW(dashW);
MultiByteToWideChar(CP_UNIXCP, 0, devname, -1, ids[*num] + cardlen,
len - cardlen);
ids[*num] = construct_device_id(flow, cardnameW, devname);
get_device_guid(flow, devnode, &guids[*num]);
}
@ -423,7 +456,7 @@ static void get_reg_devices(EDataFlow flow, snd_pcm_stream_t stream, WCHAR **ids
static const WCHAR ALSAInputDevices[] = {'A','L','S','A','I','n','p','u','t','D','e','v','i','c','e','s',0};
HKEY key;
WCHAR reg_devices[256];
DWORD size = sizeof(reg_devices), type, len;
DWORD size = sizeof(reg_devices), type;
const WCHAR *value_name = (stream == SND_PCM_STREAM_PLAYBACK) ? ALSAOutputDevices : ALSAInputDevices;
/* @@ Wine registry key: HKCU\Software\Wine\Drivers\winealsa.drv */
@ -445,10 +478,7 @@ static void get_reg_devices(EDataFlow flow, snd_pcm_stream_t stream, WCHAR **ids
if(alsa_try_open(devname, stream)){
if(ids && guids){
len = lstrlenW(p) + 1;
ids[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
memcpy(ids[*num], p, len * sizeof(WCHAR));
ids[*num] = construct_device_id(flow, p, NULL);
get_device_guid(flow, devname, &guids[*num]);
}
++*num;
@ -474,8 +504,7 @@ static HRESULT alsa_enum_devices(EDataFlow flow, WCHAR **ids, GUID *guids,
if(alsa_try_open(defname, stream)){
if(ids && guids){
*ids = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
memcpy(*ids, defaultW, sizeof(defaultW));
*ids = construct_device_id(flow, defaultW, NULL);
get_device_guid(flow, defname, guids);
}
++*num;