[PATCH v2 1/2] mmdevapi: Cap default period to 10 ms.

[Davide Beatrici]

From: Davide Beatrici

---
 dlls/mmdevapi/client.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/mmdevapi/client.c b/dlls/mmdevapi/client.c
index 0b849e47e3d..a760256540a 100644
--- a/dlls/mmdevapi/client.c
+++ b/dlls/mmdevapi/client.c
@@ -47,6 +47,8 @@ extern HRESULT get_audio_session(const GUID *sessionguid, IMMDevice *device, UIN
                                  struct audio_session **out);
 extern struct audio_session_wrapper *session_wrapper_create(struct audio_client *client);

+static const REFERENCE_TIME min_def_period = 100000;
+
 static HANDLE main_loop_thread;

void main_loop_stop(void)
@@ -122,7 +124,7 @@ static HRESULT adjust_timing(struct audio_client *This,
     TRACE("Device periods: %lu default and %lu minimum\n", (ULONG)def_period, (ULONG)min_period);

if (mode == AUDCLNT_SHAREMODE_SHARED) {
-        *period = def_period;
+        *period = max(def_period, min_def_period);
         if (*duration < 3 * *period)
             *duration = 3 * *period;
     } else {
@@ -132,7 +134,7 @@ static HRESULT adjust_timing(struct audio_client *This,
             params.result = AUDCLNT_E_UNSUPPORTED_FORMAT;
         else {
             if (*period == 0)
-                *period = def_period;
+                *period = max(def_period, min_def_period);
             if (*period < min_period || *period > 5000000)
                 params.result = AUDCLNT_E_INVALID_DEVICE_PERIOD;
             else if (*duration > 20000000) /* The smaller the period, the lower this limit. */
@@ -762,6 +764,9 @@ static HRESULT WINAPI client_GetDevicePeriod(IAudioClient3 *iface, REFERENCE_TIM

wine_unix_call(get_device_period, &params);

+    if (defperiod && *defperiod < min_def_period)
+        *defperiod = min_def_period;
+
     return params.result;
 }