From 2127a8a0d74cc81e15a34068ffc986c30f8a75e3 Mon Sep 17 00:00:00 2001
From: Davide Beatrici <git@davidebeatrici.dev>
Date: Tue, 23 May 2023 10:17:10 +0200
Subject: [PATCH] wineoss: Implement get_device_period in unixlib.

---
 dlls/wineoss.drv/mmdevdrv.c | 15 +++++++++------
 dlls/wineoss.drv/oss.c      | 43 +++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 50 insertions(+), 8 deletions(-)

diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index dac5790e384..c55176307f0 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -785,18 +785,21 @@ static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient3 *iface,
         REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
 {
     ACImpl *This = impl_from_IAudioClient3(iface);
+    struct get_device_period_params params;
 
     TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
 
-    if(!defperiod && !minperiod)
+    if (!defperiod && !minperiod)
         return E_POINTER;
 
-    if(defperiod)
-        *defperiod = DefaultPeriod;
-    if(minperiod)
-        *minperiod = MinimumPeriod;
+    params.device     = This->device_name;
+    params.flow       = This->dataflow;
+    params.def_period = defperiod;
+    params.min_period = minperiod;
 
-    return S_OK;
+    OSS_CALL(get_device_period, &params);
+
+    return params.result;
 }
 
 static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
index d8225b65889..585df97bc43 100644
--- a/dlls/wineoss.drv/oss.c
+++ b/dlls/wineoss.drv/oss.c
@@ -69,6 +69,9 @@ struct oss_stream
 
 WINE_DEFAULT_DEBUG_CHANNEL(oss);
 
+static const REFERENCE_TIME def_period = 100000;
+static const REFERENCE_TIME min_period = 50000;
+
 static NTSTATUS oss_not_implemented(void *args)
 {
     return STATUS_SUCCESS;
@@ -1245,6 +1248,20 @@ static NTSTATUS oss_get_mix_format(void *args)
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS oss_get_device_period(void *args)
+{
+    struct get_device_period_params *params = args;
+
+    if (params->def_period)
+        *params->def_period = def_period;
+    if (params->min_period)
+        *params->min_period = min_period;
+
+    params->result = S_OK;
+
+    return STATUS_SUCCESS;
+}
+
 static NTSTATUS oss_get_buffer_size(void *args)
 {
     struct get_buffer_size_params *params = args;
@@ -1649,7 +1666,7 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     oss_release_capture_buffer,
     oss_is_format_supported,
     oss_get_mix_format,
-    oss_not_implemented,
+    oss_get_device_period,
     oss_get_buffer_size,
     oss_get_latency,
     oss_get_current_padding,
@@ -1860,6 +1877,28 @@ static NTSTATUS oss_wow64_get_mix_format(void *args)
     return STATUS_SUCCESS;
 }
 
+static NTSTATUS oss_wow64_get_device_period(void *args)
+{
+    struct
+    {
+        PTR32 device;
+        EDataFlow flow;
+        HRESULT result;
+        PTR32 def_period;
+        PTR32 min_period;
+    } *params32 = args;
+    struct get_device_period_params params =
+    {
+        .device = ULongToPtr(params32->device),
+        .flow = params32->flow,
+        .def_period = ULongToPtr(params32->def_period),
+        .min_period = ULongToPtr(params32->min_period),
+    };
+    oss_get_device_period(&params);
+    params32->result = params.result;
+    return STATUS_SUCCESS;
+}
+
 static NTSTATUS oss_wow64_get_buffer_size(void *args)
 {
     struct
@@ -2051,7 +2090,7 @@ unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     oss_release_capture_buffer,
     oss_wow64_is_format_supported,
     oss_wow64_get_mix_format,
-    oss_not_implemented,
+    oss_wow64_get_device_period,
     oss_wow64_get_buffer_size,
     oss_wow64_get_latency,
     oss_wow64_get_current_padding,
-- 
2.11.4.GIT