winealsa: Move get_next_packet_size to the unixlib.

dlls/winealsa.drv/alsa.c

@@ -2082,6 +2082,18 @@ static NTSTATUS get_current_padding(void *args)
     return alsa_unlock_result(stream, &params->result, S_OK);
 }
 
+static NTSTATUS get_next_packet_size(void *args)
+{
+    struct get_next_packet_size_params *params = args;
+    struct alsa_stream *stream = params->stream;
+
+    alsa_lock(stream);
+
+    *params->frames = stream->held_frames < stream->mmdev_period_frames ? 0 : stream->mmdev_period_frames;
+
+    return alsa_unlock_result(stream, &params->result, S_OK);
+}
+
 static NTSTATUS set_event_handle(void *args)
 {
     struct set_event_handle_params *params = args;
@@ -2120,5 +2132,6 @@ unixlib_entry_t __wine_unix_call_funcs[] =
     get_buffer_size,
     get_latency,
     get_current_padding,
+    get_next_packet_size,
     set_event_handle,
 };

dlls/winealsa.drv/mmdevdrv.c

@@ -1414,20 +1414,19 @@ static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
         IAudioCaptureClient *iface, UINT32 *frames)
 {
     ACImpl *This = impl_from_IAudioCaptureClient(iface);
-    struct alsa_stream *stream = This->stream;
+    struct get_next_packet_size_params params;
 
     TRACE("(%p)->(%p)\n", This, frames);
 
     if(!frames)
         return E_POINTER;
 
-    alsa_lock(stream);
-
-    *frames = stream->held_frames < stream->mmdev_period_frames ? 0 : stream->mmdev_period_frames;
+    params.stream = This->stream;
+    params.frames = frames;
 
-    alsa_unlock(stream);
+    ALSA_CALL(get_next_packet_size, &params);
 
-    return S_OK;
+    return params.result;
 }
 
 static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =

dlls/winealsa.drv/unixlib.h

@@ -187,6 +187,13 @@ struct get_current_padding_params
     UINT32 *padding;
 };
 
+struct get_next_packet_size_params
+{
+    struct alsa_stream *stream;
+    HRESULT result;
+    UINT32 *frames;
+};
+
 struct set_event_handle_params
 {
     struct alsa_stream *stream;
@@ -212,6 +219,7 @@ enum alsa_funcs
     alsa_get_buffer_size,
     alsa_get_latency,
     alsa_get_current_padding,
+    alsa_get_next_packet_size,
     alsa_set_event_handle,
 };