[PATCH 2/8] wineoss: Move get_latency to the unixlib.

[Huw Davies]

Signed-off-by: Huw Davies 
---
 dlls/wineoss.drv/mmdevdrv.c | 14 +++++---------
 dlls/wineoss.drv/oss.c      | 15 +++++++++++++++
 dlls/wineoss.drv/unixlib.h  |  8 ++++++++
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/dlls/wineoss.drv/mmdevdrv.c b/dlls/wineoss.drv/mmdevdrv.c
index a2f75d7a479..8a2329d1f04 100644
--- a/dlls/wineoss.drv/mmdevdrv.c
+++ b/dlls/wineoss.drv/mmdevdrv.c
@@ -806,7 +806,7 @@ static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface,
         REFERENCE_TIME *latency)
 {
     ACImpl *This = impl_from_IAudioClient3(iface);
-    struct oss_stream *stream = This->stream;
+    struct get_latency_params params;

TRACE("(%p)->(%p)\n", This, latency);

@@ -816,15 +816,11 @@ static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient3 *iface,
     if(!This->stream)
         return AUDCLNT_E_NOT_INITIALIZED;

-    oss_lock(stream);
-
-    /* pretend we process audio in Period chunks, so max latency includes
-     * the period time.  Some native machines add .6666ms in shared mode. */
-    *latency = (REFERENCE_TIME)stream->period_us * 10 + 6666;
-
-    oss_unlock(stream);
+    params.stream = This->stream;
+    params.latency = latency;
+    OSS_CALL(get_latency, &params);

-    return S_OK;
+    return params.result;
 }

static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient3 *iface,
diff --git a/dlls/wineoss.drv/oss.c b/dlls/wineoss.drv/oss.c
index fdad419abfa..a80557b2c15 100644
--- a/dlls/wineoss.drv/oss.c
+++ b/dlls/wineoss.drv/oss.c
@@ -762,6 +762,20 @@ static NTSTATUS get_buffer_size(void *args)
     return oss_unlock_result(stream, &params->result, S_OK);
 }

+static NTSTATUS get_latency(void *args)
+{
+    struct get_latency_params *params = args;
+    struct oss_stream *stream = params->stream;
+
+    oss_lock(stream);
+
+    /* pretend we process audio in Period chunks, so max latency includes
+     * the period time.  Some native machines add .6666ms in shared mode. */
+    *params->latency = (REFERENCE_TIME)stream->period_us * 10 + 6666;
+
+    return oss_unlock_result(stream, &params->result, S_OK);
+}
+
 unixlib_entry_t __wine_unix_call_funcs[] =
 {
     test_connect,
@@ -771,4 +785,5 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     is_format_supported,
     get_mix_format,
     get_buffer_size,
+    get_latency,
 };
diff --git a/dlls/wineoss.drv/unixlib.h b/dlls/wineoss.drv/unixlib.h
index b57798ef435..9f4c736fe4e 100644
--- a/dlls/wineoss.drv/unixlib.h
+++ b/dlls/wineoss.drv/unixlib.h
@@ -113,6 +113,13 @@ struct get_buffer_size_params
     UINT32 *size;
 };

+struct get_latency_params
+{
+    struct oss_stream *stream;
+    HRESULT result;
+    REFERENCE_TIME *latency;
+};
+
 enum oss_funcs
 {
     oss_test_connect,
@@ -122,6 +129,7 @@ enum oss_funcs
     oss_is_format_supported,
     oss_get_mix_format,
     oss_get_buffer_size,
+    oss_get_latency,
 };

extern unixlib_handle_t oss_handle;