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https://github.com/mpv-player/mpv
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ao_wasapi: use correct UINT type for device enumeration
Notably, the address of the enumerator->count member is passed to IMMDeviceCollection::GetCount(), which expects a UINT variable, not an int. How did this ever work?
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@ -749,7 +749,7 @@ struct enumerator {
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struct mp_log *log;
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IMMDeviceEnumerator *pEnumerator;
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IMMDeviceCollection *pDevices;
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int count;
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UINT count;
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};
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static void destroy_enumerator(struct enumerator *e)
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@ -784,7 +784,7 @@ exit_label:
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return NULL;
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}
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static struct device_desc *device_desc_for_num(struct enumerator *e, int i)
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static struct device_desc *device_desc_for_num(struct enumerator *e, UINT i)
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{
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IMMDevice *pDevice = NULL;
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HRESULT hr = IMMDeviceCollection_Item(e->pDevices, i, &pDevice);
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@ -818,7 +818,7 @@ void wasapi_list_devs(struct ao *ao, struct ao_device_list *list)
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if (!enumerator)
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return;
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for (int i = 0; i < enumerator->count; i++) {
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for (UINT i = 0; i < enumerator->count; i++) {
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struct device_desc *d = device_desc_for_num(enumerator, i);
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if (!d)
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goto exit_label;
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@ -888,7 +888,7 @@ LPWSTR find_deviceID(struct ao *ao)
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// try selecting by number
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bstr rest;
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long long devno = bstrtoll(device, &rest, 10);
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if (!rest.len && 0 <= devno && devno < enumerator->count) {
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if (!rest.len && 0 <= devno && devno < (long long)enumerator->count) {
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MP_VERBOSE(ao, "Selecting device by number: #%lld\n", devno);
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d = device_desc_for_num(enumerator, devno);
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deviceID = select_device(ao->log, d);
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@ -897,7 +897,7 @@ LPWSTR find_deviceID(struct ao *ao)
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// select by id or name
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bstr_eatstart0(&device, "{0.0.0.00000000}.");
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for (int i = 0; i < enumerator->count; i++) {
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for (UINT i = 0; i < enumerator->count; i++) {
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d = device_desc_for_num(enumerator, i);
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if (!d)
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goto exit_label;
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