[PATCH 1/3] mmdevapi: Support device ID paths in ActivateAudioInterfaceAsync
Andrew Eikum
aeikum at codeweavers.com
Tue Apr 13 17:19:54 CDT 2021
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
---
dlls/mmdevapi/main.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/dlls/mmdevapi/main.c b/dlls/mmdevapi/main.c
index eac1da28f18..e9453da5ad2 100644
--- a/dlls/mmdevapi/main.c
+++ b/dlls/mmdevapi/main.c
@@ -413,6 +413,7 @@ static HRESULT get_mmdevice_by_activatepath(const WCHAR *path, IMMDevice **mmdev
static const WCHAR DEVINTERFACE_AUDIO_RENDER_WSTR[] = L"{E6327CAD-DCEC-4949-AE8A-991E976A79D2}";
static const WCHAR DEVINTERFACE_AUDIO_CAPTURE_WSTR[] = L"{2EEF81BE-33FA-4800-9670-1CD474972C3F}";
+ static const WCHAR MMDEV_PATH_PREFIX[] = L"\\\\?\\SWD#MMDEVAPI#";
hr = MMDevEnum_Create(&IID_IMMDeviceEnumerator, (void**)&devenum);
if (FAILED(hr)) {
@@ -424,8 +425,15 @@ static HRESULT get_mmdevice_by_activatepath(const WCHAR *path, IMMDevice **mmdev
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, eRender, eMultimedia, mmdev);
} else if (!lstrcmpiW(path, DEVINTERFACE_AUDIO_CAPTURE_WSTR)){
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, eCapture, eMultimedia, mmdev);
+ } else if (!memcmp(path, MMDEV_PATH_PREFIX, sizeof(MMDEV_PATH_PREFIX) - sizeof(WCHAR))) {
+ WCHAR device_id[56]; // == strlen("{0.0.1.00000000}.{fd47d9cc-4218-4135-9ce2-0c195c87405b}") + 1
+
+ wcsncpy(device_id, path + (ARRAY_SIZE(MMDEV_PATH_PREFIX) - 1), ARRAY_SIZE(device_id));
+ device_id[ARRAY_SIZE(device_id) - 1] = 0;
+
+ hr = IMMDeviceEnumerator_GetDevice(devenum, device_id, mmdev);
} else {
- FIXME("How to map path to device id? %s\n", debugstr_w(path));
+ FIXME("Unrecognized device id format: %s\n", debugstr_w(path));
hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
--
2.31.1
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