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winecoreaudio: Avoid an extra copy/conversion of a string.

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This commit is contained in:
Ken Thomases 2011-10-20 23:24:12 -05:00 committed by Alexandre Julliard
parent 4bceee9e15
commit cf39023208
1 changed files with 5 additions and 12 deletions
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17
dlls/winecoreaudio.drv/mmdevdrv.c
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@ -325,7 +325,6 @@ HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids,
AudioBufferList *buffers; AudioBufferList *buffers;
CFStringRef name; CFStringRef name;
SIZE_T len; SIZE_T len;
char nameA[256];
int j; int j;
addr.mSelector = kAudioDevicePropertyStreamConfiguration; addr.mSelector = kAudioDevicePropertyStreamConfiguration;
@ -384,18 +383,10 @@ HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids,
continue; continue;
} }
if(!CFStringGetCString(name, nameA, sizeof(nameA), len = CFStringGetLength(name) + 1;
kCFStringEncodingUTF8)){
WARN("Error converting string to UTF8\n");
CFRelease(name);
continue;
}
CFRelease(name);
len = MultiByteToWideChar(CP_UNIXCP, 0, nameA, -1, NULL, 0);
(*ids)[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)); (*ids)[*num] = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if(!(*ids)[*num]){ if(!(*ids)[*num]){
CFRelease(name);
HeapFree(GetProcessHeap(), 0, devices); HeapFree(GetProcessHeap(), 0, devices);
for(j = 0; j < *num; ++j){ for(j = 0; j < *num; ++j){
HeapFree(GetProcessHeap(), 0, (*ids)[j]); HeapFree(GetProcessHeap(), 0, (*ids)[j]);
@ -405,7 +396,9 @@ HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids,
HeapFree(GetProcessHeap(), 0, *keys); HeapFree(GetProcessHeap(), 0, *keys);
return E_OUTOFMEMORY; return E_OUTOFMEMORY;
} }
MultiByteToWideChar(CP_UNIXCP, 0, nameA, -1, (*ids)[*num], len); CFStringGetCharacters(name, CFRangeMake(0, len - 1), (UniChar*)(*ids)[*num]);
((*ids)[*num])[len - 1] = 0;
CFRelease(name);
(*keys)[*num] = HeapAlloc(GetProcessHeap(), 0, sizeof(AudioDeviceID)); (*keys)[*num] = HeapAlloc(GetProcessHeap(), 0, sizeof(AudioDeviceID));
if(!(*keys)[*num]){ if(!(*keys)[*num]){