106 lines
2.1 KiB
C
106 lines
2.1 KiB
C
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#include "../../obs-internal.h"
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#include "wasapi-output.h"
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#include <propsys.h>
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#ifdef __MINGW32__
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#ifdef DEFINE_PROPERTYKEY
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#undef DEFINE_PROPERTYKEY
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#endif
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#define DEFINE_PROPERTYKEY(id, a, b, c, d, e, f, g, h, i, j, k, l) \
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const PROPERTYKEY id = { { a,b,c, { d,e,f,g,h,i,j,k, } }, l };
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DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName, \
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0xa45c254e, 0xdf1c, 0x4efd, 0x80, \
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0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);
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#else
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#include <functiondiscoverykeys_devpkey.h>
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#endif
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static bool get_device_info(obs_enum_audio_device_cb cb, void *data,
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IMMDeviceCollection *collection, UINT idx)
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{
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IPropertyStore *store = NULL;
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IMMDevice *device = NULL;
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PROPVARIANT name_var;
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char utf8_name[512];
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WCHAR *w_id = NULL;
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char utf8_id[512];
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bool cont = true;
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HRESULT hr;
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hr = collection->lpVtbl->Item(collection, idx, &device);
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if (FAILED(hr)) {
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goto fail;
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}
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hr = device->lpVtbl->GetId(device, &w_id);
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if (FAILED(hr)) {
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goto fail;
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}
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hr = device->lpVtbl->OpenPropertyStore(device, STGM_READ, &store);
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if (FAILED(hr)) {
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goto fail;
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}
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PropVariantInit(&name_var);
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hr = store->lpVtbl->GetValue(store, &PKEY_Device_FriendlyName,
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&name_var);
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if (FAILED(hr)) {
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goto fail;
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}
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os_wcs_to_utf8(w_id, 0, utf8_id, 512);
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os_wcs_to_utf8(name_var.pwszVal, 0, utf8_name, 512);
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cont = cb(data, utf8_name, utf8_id);
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fail:
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safe_release(store);
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safe_release(device);
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if (w_id)
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CoTaskMemFree(w_id);
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return cont;
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}
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void obs_enum_audio_monitoring_devices(obs_enum_audio_device_cb cb,
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void *data)
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{
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IMMDeviceEnumerator *enumerator = NULL;
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IMMDeviceCollection *collection = NULL;
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UINT count;
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HRESULT hr;
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hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
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&IID_IMMDeviceEnumerator, &enumerator);
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if (FAILED(hr)) {
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goto fail;
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}
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hr = enumerator->lpVtbl->EnumAudioEndpoints(enumerator, eRender,
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DEVICE_STATE_ACTIVE, &collection);
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if (FAILED(hr)) {
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goto fail;
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}
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hr = collection->lpVtbl->GetCount(collection, &count);
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if (FAILED(hr)) {
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goto fail;
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}
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for (UINT i = 0; i < count; i++) {
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if (!get_device_info(cb, data, collection, i)) {
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break;
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}
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}
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fail:
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safe_release(enumerator);
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safe_release(collection);
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}
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