diff --git a/configure b/configure
index 39e882dd3cbfdde37271d1a97d5b49328fe773f0..4fe266d7c19e074ae6e12544d59f3dd32d459c8b 100755
--- a/configure
+++ b/configure
@@ -14464,7 +14464,7 @@ test -z "$NETAPI_LIBS" || NETAPI_LIBS=`echo " $NETAPI_LIBS" | sed 's/ -L\([^/]\)
 
 fi
 
-if test "x$enable_winealsa_drv$enable_winecoreaudio_drv$enable_winepulse_drv$enable_wineoss_drv" = xnononono -a \
+if test "x$enable_winealsa_drv$enable_winecoreaudio_drv$enable_winepulse_drv$enable_wineoss_drv$enable_wineandroid_drv" = xnonononono -a \
         "x$with_alsa$with_coreaudio$with_oss$with_pulse" != xnononono
 then
     as_fn_append wine_warnings "|No sound system was found. Windows applications will be silent."
diff --git a/configure.ac b/configure.ac
index 06ab763df8a622a69c85e83ce0f3864252f3981c..c389209b6dfe8bd3c88919f46fac081ff2450eff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1765,7 +1765,7 @@ then
 fi
 
 dnl **** Check for any sound system ****
-if test "x$enable_winealsa_drv$enable_winecoreaudio_drv$enable_winepulse_drv$enable_wineoss_drv" = xnononono -a \
+if test "x$enable_winealsa_drv$enable_winecoreaudio_drv$enable_winepulse_drv$enable_wineoss_drv$enable_wineandroid_drv" = xnonononono -a \
         "x$with_alsa$with_coreaudio$with_oss$with_pulse" != xnononono
 then
     WINE_WARNING([No sound system was found. Windows applications will be silent.])
diff --git a/dlls/mmdevapi/main.c b/dlls/mmdevapi/main.c
index 42467580d77cbdc7d3b737ae13e830e59301130d..2b0a6f946bd196f5b8f0bf1e9988c498a3d16d94 100644
--- a/dlls/mmdevapi/main.c
+++ b/dlls/mmdevapi/main.c
@@ -114,7 +114,7 @@ static BOOL WINAPI init_driver(INIT_ONCE *once, void *param, void **context)
     static const WCHAR drv_value[] = {'A','u','d','i','o',0};
 
     static WCHAR default_list[] = {'p','u','l','s','e',',','a','l','s','a',',','o','s','s',',',
-        'c','o','r','e','a','u','d','i','o',0};
+        'c','o','r','e','a','u','d','i','o',',','a','n','d','r','o','i','d',0};
 
     DriverFuncs driver;
     HKEY key;
diff --git a/dlls/wineandroid.drv/AndroidManifest.xml b/dlls/wineandroid.drv/AndroidManifest.xml
index c4c83d645265630d6c06b75432347a77696f3df1..25078614539287553689fae00a144f86087e7bd7 100644
--- a/dlls/wineandroid.drv/AndroidManifest.xml
+++ b/dlls/wineandroid.drv/AndroidManifest.xml
@@ -3,6 +3,7 @@
     package="org.winehq.wine">
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
     <application
         android:icon="@drawable/wine"
         android:label="Wine" >
diff --git a/dlls/wineandroid.drv/Makefile.in b/dlls/wineandroid.drv/Makefile.in
index a2c8865db95e4447ab68f0636898d585f4e6b813..d2e2d012703e6064a78b20420e08c02e345a1865 100644
--- a/dlls/wineandroid.drv/Makefile.in
+++ b/dlls/wineandroid.drv/Makefile.in
@@ -1,10 +1,11 @@
 MODULE  = wineandroid.drv
-IMPORTS = user32 gdi32 advapi32 ntoskrnl
+IMPORTS = uuid ole32 user32 gdi32 advapi32 ntoskrnl
 
 C_SRCS = \
 	device.c \
 	init.c \
 	keyboard.c \
+	mmdevdrv.c \
 	opengl.c \
 	window.c
 
diff --git a/dlls/wineandroid.drv/mmdevdrv.c b/dlls/wineandroid.drv/mmdevdrv.c
new file mode 100644
index 0000000000000000000000000000000000000000..6b05c509f7aaa6e91be8cbe86cfb0d6e4aae857d
--- /dev/null
+++ b/dlls/wineandroid.drv/mmdevdrv.c
@@ -0,0 +1,2937 @@
+/*
+ * Copyright 2015 Andrew Eikum for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define NONAMELESSUNION
+#define COBJMACROS
+#include "config.h"
+#include "wine/port.h"
+
+#include <stdarg.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <math.h>
+
+#include <SLES/OpenSLES.h>
+#include <SLES/OpenSLES_Android.h>
+
+#include "android.h"
+
+#include "windef.h"
+#include "winbase.h"
+#include "winnls.h"
+#include "winreg.h"
+#include "wine/debug.h"
+#include "wine/unicode.h"
+#include "wine/list.h"
+#include "wine/library.h"
+
+#include "ole2.h"
+#include "mmdeviceapi.h"
+#include "devpkey.h"
+#include "dshow.h"
+#include "dsound.h"
+
+#include "initguid.h"
+#include "endpointvolume.h"
+#include "audiopolicy.h"
+#include "audioclient.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(androidaudio);
+
+#define DECL_FUNCPTR(f) static typeof(f) * p##f
+DECL_FUNCPTR( slCreateEngine );
+DECL_FUNCPTR( SL_IID_ANDROIDSIMPLEBUFFERQUEUE );
+DECL_FUNCPTR( SL_IID_ENGINE );
+DECL_FUNCPTR( SL_IID_PLAY );
+DECL_FUNCPTR( SL_IID_PLAYBACKRATE );
+DECL_FUNCPTR( SL_IID_RECORD );
+
+#define SLCALL_N(obj, func) (*obj)->func(obj)
+#define SLCALL(obj, func, ...) (*obj)->func(obj, __VA_ARGS__)
+
+#define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
+
+static const REFERENCE_TIME DefaultPeriod = 100000;
+static const REFERENCE_TIME MinimumPeriod = 50000;
+
+struct ACImpl;
+typedef struct ACImpl ACImpl;
+
+typedef struct _AudioSession {
+    GUID guid;
+    struct list clients;
+
+    IMMDevice *device;
+
+    float master_vol;
+    UINT32 channel_count;
+    float *channel_vols;
+    BOOL mute;
+
+    CRITICAL_SECTION lock;
+
+    struct list entry;
+} AudioSession;
+
+typedef struct _AudioSessionWrapper {
+    IAudioSessionControl2 IAudioSessionControl2_iface;
+    IChannelAudioVolume IChannelAudioVolume_iface;
+    ISimpleAudioVolume ISimpleAudioVolume_iface;
+
+    LONG ref;
+
+    ACImpl *client;
+    AudioSession *session;
+} AudioSessionWrapper;
+
+struct ACImpl {
+    IAudioClient IAudioClient_iface;
+    IAudioRenderClient IAudioRenderClient_iface;
+    IAudioCaptureClient IAudioCaptureClient_iface;
+    IAudioClock IAudioClock_iface;
+    IAudioClock2 IAudioClock2_iface;
+    IAudioStreamVolume IAudioStreamVolume_iface;
+
+    LONG ref;
+
+    IMMDevice *parent;
+    IUnknown *pUnkFTMarshal;
+
+    WAVEFORMATEX *fmt;
+
+    EDataFlow dataflow;
+    DWORD flags;
+    AUDCLNT_SHAREMODE share;
+    HANDLE event;
+    float *vols;
+
+    SLObjectItf outputmix;
+    SLObjectItf player;
+    SLObjectItf recorder;
+    SLAndroidSimpleBufferQueueItf bufq;
+    SLPlayItf playitf;
+    SLRecordItf recorditf;
+
+    BOOL initted, playing;
+    UINT64 written_frames, last_pos_frames;
+    UINT32 period_us, period_frames, bufsize_frames, held_frames, tmp_buffer_frames, wrap_buffer_frames, in_sl_frames;
+    UINT32 oss_bufsize_bytes, lcl_offs_frames; /* offs into local_buffer where valid data starts */
+
+    BYTE *local_buffer, *tmp_buffer, *wrap_buffer;
+    LONG32 getbuf_last; /* <0 when using tmp_buffer */
+    HANDLE timer;
+
+    CRITICAL_SECTION lock;
+
+    AudioSession *session;
+    AudioSessionWrapper *session_wrapper;
+
+    struct list entry;
+};
+
+typedef struct _SessionMgr {
+    IAudioSessionManager2 IAudioSessionManager2_iface;
+
+    LONG ref;
+
+    IMMDevice *device;
+} SessionMgr;
+
+static struct list g_devices = LIST_INIT(g_devices);
+
+static HANDLE g_timer_q;
+
+static CRITICAL_SECTION g_sessions_lock;
+static CRITICAL_SECTION_DEBUG g_sessions_lock_debug =
+{
+    0, 0, &g_sessions_lock,
+    { &g_sessions_lock_debug.ProcessLocksList, &g_sessions_lock_debug.ProcessLocksList },
+      0, 0, { (DWORD_PTR)(__FILE__ ": g_sessions_lock") }
+};
+static CRITICAL_SECTION g_sessions_lock = { &g_sessions_lock_debug, -1, 0, 0, 0, 0 };
+static struct list g_sessions = LIST_INIT(g_sessions);
+
+static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
+
+static const IAudioClientVtbl AudioClient_Vtbl;
+static const IAudioRenderClientVtbl AudioRenderClient_Vtbl;
+static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl;
+static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl;
+static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl;
+static const IAudioClockVtbl AudioClock_Vtbl;
+static const IAudioClock2Vtbl AudioClock2_Vtbl;
+static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl;
+static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl;
+static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl;
+
+static inline ACImpl *impl_from_IAudioClient(IAudioClient *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioClient_iface);
+}
+
+static inline ACImpl *impl_from_IAudioRenderClient(IAudioRenderClient *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioRenderClient_iface);
+}
+
+static inline ACImpl *impl_from_IAudioCaptureClient(IAudioCaptureClient *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioCaptureClient_iface);
+}
+
+static inline AudioSessionWrapper *impl_from_IAudioSessionControl2(IAudioSessionControl2 *iface)
+{
+    return CONTAINING_RECORD(iface, AudioSessionWrapper, IAudioSessionControl2_iface);
+}
+
+static inline AudioSessionWrapper *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
+{
+    return CONTAINING_RECORD(iface, AudioSessionWrapper, ISimpleAudioVolume_iface);
+}
+
+static inline AudioSessionWrapper *impl_from_IChannelAudioVolume(IChannelAudioVolume *iface)
+{
+    return CONTAINING_RECORD(iface, AudioSessionWrapper, IChannelAudioVolume_iface);
+}
+
+static inline ACImpl *impl_from_IAudioClock(IAudioClock *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioClock_iface);
+}
+
+static inline ACImpl *impl_from_IAudioClock2(IAudioClock2 *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioClock2_iface);
+}
+
+static inline ACImpl *impl_from_IAudioStreamVolume(IAudioStreamVolume *iface)
+{
+    return CONTAINING_RECORD(iface, ACImpl, IAudioStreamVolume_iface);
+}
+
+static inline SessionMgr *impl_from_IAudioSessionManager2(IAudioSessionManager2 *iface)
+{
+    return CONTAINING_RECORD(iface, SessionMgr, IAudioSessionManager2_iface);
+}
+
+#define LOAD_FUNCPTR(lib, func) do { \
+    if ((p##func = wine_dlsym( lib, #func, NULL, 0 )) == NULL) \
+        { ERR( "can't find symbol %s\n", #func); return FALSE; } \
+    } while(0)
+
+static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
+
+static BOOL WINAPI load_opensles( INIT_ONCE *once, void *param, void **context )
+{
+    void *libopensles;
+    char error[1024];
+
+    if (!(libopensles = wine_dlopen( "libOpenSLES.so", RTLD_GLOBAL, error, sizeof(error) )))
+    {
+        ERR( "failed to load libOpenSLES.so: %s\n", error );
+        return FALSE;
+    }
+    LOAD_FUNCPTR( libopensles, slCreateEngine );
+    LOAD_FUNCPTR( libopensles, SL_IID_ANDROIDSIMPLEBUFFERQUEUE );
+    LOAD_FUNCPTR( libopensles, SL_IID_ENGINE );
+    LOAD_FUNCPTR( libopensles, SL_IID_PLAY );
+    LOAD_FUNCPTR( libopensles, SL_IID_PLAYBACKRATE );
+    LOAD_FUNCPTR( libopensles, SL_IID_RECORD );
+
+    if (!(g_timer_q = CreateTimerQueue())) return FALSE;
+
+    return TRUE;
+}
+
+/* From <dlls/mmdevapi/mmdevapi.h> */
+enum DriverPriority {
+    Priority_Unavailable = 0,
+    Priority_Low,
+    Priority_Neutral,
+    Priority_Preferred
+};
+
+int WINAPI AUDDRV_GetPriority(void)
+{
+    if (!InitOnceExecuteOnce( &init_once, load_opensles, NULL, NULL ))
+        return Priority_Unavailable;
+
+    return Priority_Preferred;
+}
+
+static SLObjectItf sl;
+static SLEngineItf engine;
+
+HRESULT AUDDRV_Init(void)
+{
+    SLresult sr;
+    SLEngineOption options[] = { {SL_ENGINEOPTION_THREADSAFE, SL_BOOLEAN_TRUE} };
+
+    sr = pslCreateEngine(&sl, 1, options, 0, NULL, NULL);
+    if(sr != SL_RESULT_SUCCESS){
+        WARN("slCreateEngine failed: 0x%x\n", sr);
+        return E_FAIL;
+    }
+
+    sr = SLCALL(sl, Realize, SL_BOOLEAN_FALSE);
+    if(sr != SL_RESULT_SUCCESS){
+        SLCALL_N(sl, Destroy);
+        WARN("Engine Realize failed: 0x%x\n", sr);
+        return E_FAIL;
+    }
+
+    sr = SLCALL(sl, GetInterface, *pSL_IID_ENGINE, (void*)&engine);
+    if(sr != SL_RESULT_SUCCESS){
+        SLCALL_N(sl, Destroy);
+        WARN("GetInterface failed: 0x%x\n", sr);
+        return E_FAIL;
+    }
+
+    return S_OK;
+}
+
+static const GUID outGuid = {0x0a047ace, 0x22b1, 0x4342, {0x98, 0xbb, 0xf8, 0x56, 0x32, 0x26, 0x61, 0x00}};
+static const GUID inGuid = {0x0a047ace, 0x22b1, 0x4342, {0x98, 0xbb, 0xf8, 0x56, 0x32, 0x26, 0x61, 0x01}};
+
+HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, GUID **guids,
+        UINT *num, UINT *def_index)
+{
+    static const WCHAR outName[] = {'A','n','d','r','o','i','d',' ','A','u','d','i','o',' ','O','u','t',0};
+    static const WCHAR inName[] = {'A','n','d','r','o','i','d',' ','A','u','d','i','o',' ','I','n',0};
+
+    TRACE("%u %p %p %p %p\n", flow, ids, guids, num, def_index);
+
+    *def_index = 0;
+    *num = 1;
+    *ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *));
+    *guids = HeapAlloc(GetProcessHeap(), 0, sizeof(GUID));
+    if(flow == eRender){
+        (*ids)[0] = HeapAlloc(GetProcessHeap(), 0, sizeof(outName));
+        memcpy((*ids)[0], outName, sizeof(outName));
+        memcpy(&(*guids)[0], &outGuid, sizeof(outGuid));
+    }else{
+        (*ids)[0] = HeapAlloc(GetProcessHeap(), 0, sizeof(inName));
+        memcpy((*ids)[0], inName, sizeof(inName));
+        memcpy(&(*guids)[0], &inGuid, sizeof(inGuid));
+    }
+
+    return S_OK;
+}
+
+HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev,
+        IAudioClient **out)
+{
+    ACImpl *This;
+    HRESULT hr;
+    EDataFlow flow;
+    SLresult sr;
+
+    TRACE("%s %p %p\n", debugstr_guid(guid), dev, out);
+
+    if(!sl)
+        AUDDRV_Init();
+
+    if(IsEqualGUID(guid, &outGuid))
+        flow = eRender;
+    else if(IsEqualGUID(guid, &inGuid))
+        flow = eCapture;
+    else
+        return AUDCLNT_E_DEVICE_INVALIDATED;
+
+    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
+    if(!This)
+        return E_OUTOFMEMORY;
+
+    hr = CoCreateFreeThreadedMarshaler((IUnknown *)&This->IAudioClient_iface,
+        (IUnknown **)&This->pUnkFTMarshal);
+    if (FAILED(hr)) {
+         HeapFree(GetProcessHeap(), 0, This);
+         return hr;
+    }
+
+    if(flow == eRender){
+        sr = SLCALL(engine, CreateOutputMix, &This->outputmix, 0, NULL, NULL);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("CreateOutputMix failed: 0x%x\n", sr);
+            HeapFree(GetProcessHeap(), 0, This);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->outputmix, Realize, SL_BOOLEAN_FALSE);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->outputmix, Destroy);
+            This->outputmix = NULL;
+            HeapFree(GetProcessHeap(), 0, This);
+            WARN("outputmix Realize failed: 0x%x\n", sr);
+            return E_FAIL;
+        }
+    }
+
+    This->dataflow = flow;
+
+    This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
+    This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
+    This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
+    This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
+    This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
+    This->IAudioStreamVolume_iface.lpVtbl = &AudioStreamVolume_Vtbl;
+
+    InitializeCriticalSection(&This->lock);
+    This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ACImpl.lock");
+
+    This->parent = dev;
+    IMMDevice_AddRef(This->parent);
+
+    IAudioClient_AddRef(&This->IAudioClient_iface);
+
+    *out = &This->IAudioClient_iface;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *iface,
+        REFIID riid, void **ppv)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+    if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClient))
+        *ppv = iface;
+    else if(IsEqualIID(riid, &IID_IMarshal))
+        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioClient_AddRef(IAudioClient *iface)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    ULONG ref;
+    ref = InterlockedIncrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    return ref;
+}
+
+static ULONG WINAPI AudioClient_Release(IAudioClient *iface)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    ULONG ref;
+
+    ref = InterlockedDecrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    if(!ref){
+        if(This->timer){
+            HANDLE event;
+            DWORD wait;
+            event = CreateEventW(NULL, TRUE, FALSE, NULL);
+            wait = !DeleteTimerQueueTimer(g_timer_q, This->timer, event);
+            wait = wait && GetLastError() == ERROR_IO_PENDING;
+            if(event && wait)
+                WaitForSingleObject(event, INFINITE);
+            CloseHandle(event);
+        }
+
+        IAudioClient_Stop(iface);
+
+        IMMDevice_Release(This->parent);
+        IUnknown_Release(This->pUnkFTMarshal);
+        This->lock.DebugInfo->Spare[0] = 0;
+        DeleteCriticalSection(&This->lock);
+
+        if(This->recorder)
+            SLCALL_N(This->recorder, Destroy);
+        if(This->player)
+            SLCALL_N(This->player, Destroy);
+        if(This->outputmix)
+            SLCALL_N(This->outputmix, Destroy);
+
+        if(This->initted){
+            EnterCriticalSection(&g_sessions_lock);
+            list_remove(&This->entry);
+            LeaveCriticalSection(&g_sessions_lock);
+        }
+        HeapFree(GetProcessHeap(), 0, This->vols);
+        HeapFree(GetProcessHeap(), 0, This->local_buffer);
+        HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
+        HeapFree(GetProcessHeap(), 0, This->wrap_buffer);
+        CoTaskMemFree(This->fmt);
+        HeapFree(GetProcessHeap(), 0, This);
+    }
+    return ref;
+}
+
+static void dump_fmt(const WAVEFORMATEX *fmt)
+{
+    TRACE("wFormatTag: 0x%x (", fmt->wFormatTag);
+    switch(fmt->wFormatTag){
+    case WAVE_FORMAT_PCM:
+        TRACE("WAVE_FORMAT_PCM");
+        break;
+    case WAVE_FORMAT_IEEE_FLOAT:
+        TRACE("WAVE_FORMAT_IEEE_FLOAT");
+        break;
+    case WAVE_FORMAT_EXTENSIBLE:
+        TRACE("WAVE_FORMAT_EXTENSIBLE");
+        break;
+    default:
+        TRACE("Unknown");
+        break;
+    }
+    TRACE(")\n");
+
+    TRACE("nChannels: %u\n", fmt->nChannels);
+    TRACE("nSamplesPerSec: %u\n", fmt->nSamplesPerSec);
+    TRACE("nAvgBytesPerSec: %u\n", fmt->nAvgBytesPerSec);
+    TRACE("nBlockAlign: %u\n", fmt->nBlockAlign);
+    TRACE("wBitsPerSample: %u\n", fmt->wBitsPerSample);
+    TRACE("cbSize: %u\n", fmt->cbSize);
+
+    if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
+        WAVEFORMATEXTENSIBLE *fmtex = (void*)fmt;
+        TRACE("dwChannelMask: %08x\n", fmtex->dwChannelMask);
+        TRACE("Samples: %04x\n", fmtex->Samples.wReserved);
+        TRACE("SubFormat: %s\n", wine_dbgstr_guid(&fmtex->SubFormat));
+    }
+}
+
+static DWORD get_channel_mask(unsigned int channels)
+{
+    switch(channels){
+    case 0:
+        return 0;
+    case 1:
+        return KSAUDIO_SPEAKER_MONO;
+    case 2:
+        return KSAUDIO_SPEAKER_STEREO;
+    case 3:
+        return KSAUDIO_SPEAKER_STEREO | SPEAKER_LOW_FREQUENCY;
+    case 4:
+        return KSAUDIO_SPEAKER_QUAD;    /* not _SURROUND */
+    case 5:
+        return KSAUDIO_SPEAKER_QUAD | SPEAKER_LOW_FREQUENCY;
+    case 6:
+        return KSAUDIO_SPEAKER_5POINT1; /* not 5POINT1_SURROUND */
+    case 7:
+        return KSAUDIO_SPEAKER_5POINT1 | SPEAKER_BACK_CENTER;
+    case 8:
+        return KSAUDIO_SPEAKER_7POINT1_SURROUND; /* Vista deprecates 7POINT1 */
+    }
+    FIXME("Unknown speaker configuration: %u\n", channels);
+    return 0;
+}
+
+static WAVEFORMATEX *clone_format(const WAVEFORMATEX *fmt)
+{
+    WAVEFORMATEX *ret;
+    size_t size;
+
+    if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
+        size = sizeof(WAVEFORMATEXTENSIBLE);
+    else
+        size = sizeof(WAVEFORMATEX);
+
+    ret = CoTaskMemAlloc(size);
+    if(!ret)
+        return NULL;
+
+    memcpy(ret, fmt, size);
+
+    ret->cbSize = size - sizeof(WAVEFORMATEX);
+
+    return ret;
+}
+
+static void session_init_vols(AudioSession *session, UINT channels)
+{
+    if(session->channel_count < channels){
+        UINT i;
+
+        if(session->channel_vols)
+            session->channel_vols = HeapReAlloc(GetProcessHeap(), 0,
+                    session->channel_vols, sizeof(float) * channels);
+        else
+            session->channel_vols = HeapAlloc(GetProcessHeap(), 0,
+                    sizeof(float) * channels);
+        if(!session->channel_vols)
+            return;
+
+        for(i = session->channel_count; i < channels; ++i)
+            session->channel_vols[i] = 1.f;
+
+        session->channel_count = channels;
+    }
+}
+
+static AudioSession *create_session(const GUID *guid, IMMDevice *device,
+        UINT num_channels)
+{
+    AudioSession *ret;
+
+    ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
+    if(!ret)
+        return NULL;
+
+    memcpy(&ret->guid, guid, sizeof(GUID));
+
+    ret->device = device;
+
+    list_init(&ret->clients);
+
+    list_add_head(&g_sessions, &ret->entry);
+
+    InitializeCriticalSection(&ret->lock);
+    ret->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": AudioSession.lock");
+
+    session_init_vols(ret, num_channels);
+
+    ret->master_vol = 1.f;
+
+    return ret;
+}
+
+/* if channels == 0, then this will return or create a session with
+ * matching dataflow and GUID. otherwise, channels must also match */
+static HRESULT get_audio_session(const GUID *sessionguid,
+        IMMDevice *device, UINT channels, AudioSession **out)
+{
+    AudioSession *session;
+
+    if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
+        *out = create_session(&GUID_NULL, device, channels);
+        if(!*out)
+            return E_OUTOFMEMORY;
+
+        return S_OK;
+    }
+
+    *out = NULL;
+    LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry){
+        if(session->device == device &&
+                IsEqualGUID(sessionguid, &session->guid)){
+            session_init_vols(session, channels);
+            *out = session;
+            break;
+        }
+    }
+
+    if(!*out){
+        *out = create_session(sessionguid, device, channels);
+        if(!*out)
+            return E_OUTOFMEMORY;
+    }
+
+    return S_OK;
+}
+
+static HRESULT waveformat_to_pcm(ACImpl *This, const WAVEFORMATEX *fmt, SLDataFormat_PCM *pcm)
+{
+    /* only support non-float PCM */
+    if(fmt->wFormatTag != WAVE_FORMAT_PCM &&
+            !(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
+                IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)fmt)->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)))
+        return AUDCLNT_E_UNSUPPORTED_FORMAT;
+
+    /* TODO: does android only support 16-bit PCM? */
+
+    if(fmt->nSamplesPerSec < 8000 || fmt->nSamplesPerSec > 48000)
+        return AUDCLNT_E_UNSUPPORTED_FORMAT;
+
+    pcm->formatType = SL_DATAFORMAT_PCM;
+    pcm->numChannels = fmt->nChannels;
+    pcm->samplesPerSec = fmt->nSamplesPerSec * 1000; /* no typo, actually in milli-Hz */
+    pcm->bitsPerSample = fmt->wBitsPerSample;
+    pcm->containerSize = fmt->wBitsPerSample;
+    /* only up to stereo */
+    if(pcm->numChannels == 1)
+        pcm->channelMask = SL_SPEAKER_FRONT_LEFT;
+    else if(This->dataflow == eRender && pcm->numChannels == 2)
+        pcm->channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
+    else
+        return AUDCLNT_E_UNSUPPORTED_FORMAT;
+    pcm->endianness = SL_BYTEORDER_LITTLEENDIAN;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_Initialize(IAudioClient *iface,
+        AUDCLNT_SHAREMODE mode, DWORD flags, REFERENCE_TIME duration,
+        REFERENCE_TIME period, const WAVEFORMATEX *fmt,
+        const GUID *sessionguid)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    int i;
+    HRESULT hr;
+    SLresult sr;
+    SLDataFormat_PCM pcm;
+    SLDataLocator_AndroidSimpleBufferQueue loc_bq;
+
+    TRACE("(%p)->(%x, %x, %s, %s, %p, %s)\n", This, mode, flags,
+          wine_dbgstr_longlong(duration), wine_dbgstr_longlong(period), fmt, debugstr_guid(sessionguid));
+
+    if(!fmt)
+        return E_POINTER;
+
+    dump_fmt(fmt);
+
+    if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
+        return AUDCLNT_E_NOT_INITIALIZED;
+
+    if(flags & ~(AUDCLNT_STREAMFLAGS_CROSSPROCESS |
+                AUDCLNT_STREAMFLAGS_LOOPBACK |
+                AUDCLNT_STREAMFLAGS_EVENTCALLBACK |
+                AUDCLNT_STREAMFLAGS_NOPERSIST |
+                AUDCLNT_STREAMFLAGS_RATEADJUST |
+                AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED |
+                AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE |
+                AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED)){
+        TRACE("Unknown flags: %08x\n", flags);
+        return E_INVALIDARG;
+    }
+
+    if(mode == AUDCLNT_SHAREMODE_SHARED){
+        period = DefaultPeriod;
+        if( duration < 3 * period)
+            duration = 3 * period;
+    }else{
+        if(!period)
+            period = DefaultPeriod; /* not minimum */
+        if(period < MinimumPeriod || period > 5000000)
+            return AUDCLNT_E_INVALID_DEVICE_PERIOD;
+        if(duration > 20000000) /* the smaller the period, the lower this limit */
+            return AUDCLNT_E_BUFFER_SIZE_ERROR;
+        if(flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK){
+            if(duration != period)
+                return AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL;
+            FIXME("EXCLUSIVE mode with EVENTCALLBACK\n");
+            return AUDCLNT_E_DEVICE_IN_USE;
+        }else{
+            if( duration < 8 * period)
+                duration = 8 * period; /* may grow above 2s */
+        }
+    }
+
+    EnterCriticalSection(&This->lock);
+
+    if(This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_ALREADY_INITIALIZED;
+    }
+
+    This->period_us = period / 10;
+    This->period_frames = MulDiv(fmt->nSamplesPerSec, period, 10000000);
+
+    This->bufsize_frames = MulDiv(duration, fmt->nSamplesPerSec, 10000000);
+    if(mode == AUDCLNT_SHAREMODE_EXCLUSIVE)
+        This->bufsize_frames -= This->bufsize_frames % This->period_frames;
+    else if(This->bufsize_frames % This->period_frames != 0)
+        /* hack: round up to integer multiple */
+        This->bufsize_frames += This->period_frames - This->bufsize_frames % This->period_frames;
+
+    hr = waveformat_to_pcm(This, fmt, &pcm);
+    if(FAILED(hr)){
+        LeaveCriticalSection(&This->lock);
+        return hr;
+    }
+
+    if(This->dataflow == eRender){
+        SLDataSource source;
+        SLDataSink sink;
+        SLDataLocator_OutputMix loc_outmix;
+        SLboolean required[2];
+        SLInterfaceID iids[2];
+
+        loc_bq.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
+        loc_bq.numBuffers = This->bufsize_frames / This->period_frames;
+        source.pLocator = &loc_bq;
+        source.pFormat = &pcm;
+
+        loc_outmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
+        loc_outmix.outputMix = This->outputmix;
+        sink.pLocator = &loc_outmix;
+        sink.pFormat = NULL;
+
+        required[0] = SL_BOOLEAN_TRUE;
+        iids[0] = *pSL_IID_ANDROIDSIMPLEBUFFERQUEUE;
+        required[1] = SL_BOOLEAN_TRUE;
+        iids[1] = *pSL_IID_PLAYBACKRATE;
+
+        sr = SLCALL(engine, CreateAudioPlayer, &This->player, &source, &sink,
+                2, iids, required);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("CreateAudioPlayer failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->player, Realize, SL_BOOLEAN_FALSE);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+            WARN("Player Realize failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->player, GetInterface, *pSL_IID_ANDROIDSIMPLEBUFFERQUEUE, &This->bufq);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+            WARN("Player GetInterface(BufferQueue) failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->player, GetInterface, *pSL_IID_PLAY, &This->playitf);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+            WARN("Player GetInterface(Play) failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }else{
+        SLDataSource source;
+        SLDataSink sink;
+        SLDataLocator_IODevice loc_mic;
+        SLboolean required[1];
+        SLInterfaceID iids[1];
+
+        loc_mic.locatorType = SL_DATALOCATOR_IODEVICE;
+        loc_mic.deviceType = SL_IODEVICE_AUDIOINPUT;
+        loc_mic.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT;
+        loc_mic.device = NULL;
+        source.pLocator = &loc_mic;
+        source.pFormat = NULL;
+
+        loc_bq.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
+        loc_bq.numBuffers = This->bufsize_frames / This->period_frames;
+        sink.pLocator = &loc_bq;
+        sink.pFormat = &pcm;
+
+        required[0] = SL_BOOLEAN_TRUE;
+        iids[0] = *pSL_IID_ANDROIDSIMPLEBUFFERQUEUE;
+
+        sr = SLCALL(engine, CreateAudioRecorder, &This->recorder, &source, &sink,
+                1, iids, required);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("CreateAudioRecorder failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->recorder, Realize, SL_BOOLEAN_FALSE);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+            WARN("Recorder Realize failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->recorder, GetInterface, *pSL_IID_ANDROIDSIMPLEBUFFERQUEUE, &This->bufq);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+            WARN("Recorder GetInterface(BufferQueue) failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+
+        sr = SLCALL(This->recorder, GetInterface, *pSL_IID_RECORD, &This->recorditf);
+        if(sr != SL_RESULT_SUCCESS){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+            WARN("Recorder GetInterface(Record) failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }
+
+    This->fmt = clone_format(fmt);
+    if(!This->fmt){
+        if(This->player){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+        }
+        if(This->recorder){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+        }
+        LeaveCriticalSection(&This->lock);
+        return E_OUTOFMEMORY;
+    }
+
+    This->local_buffer = HeapAlloc(GetProcessHeap(), 0,
+            This->bufsize_frames * fmt->nBlockAlign);
+    if(!This->local_buffer){
+        CoTaskMemFree(This->fmt);
+        This->fmt = NULL;
+        if(This->player){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+        }
+        if(This->recorder){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+        }
+        LeaveCriticalSection(&This->lock);
+        return E_OUTOFMEMORY;
+    }
+
+    if(This->dataflow == eCapture){
+        while(This->in_sl_frames < This->bufsize_frames){
+            TRACE("enqueueing: %u frames from %u\n", This->period_frames, (This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames);
+            sr = SLCALL(This->bufq, Enqueue,
+                    This->local_buffer + ((This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames) * This->fmt->nBlockAlign,
+                    This->period_frames * This->fmt->nBlockAlign);
+            if(sr != SL_RESULT_SUCCESS)
+                WARN("Enqueue failed: 0x%x\n", sr);
+            This->in_sl_frames += This->period_frames;
+        }
+    }
+
+    This->vols = HeapAlloc(GetProcessHeap(), 0, fmt->nChannels * sizeof(float));
+    if(!This->vols){
+        CoTaskMemFree(This->fmt);
+        This->fmt = NULL;
+        if(This->player){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+        }
+        if(This->recorder){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+        }
+        LeaveCriticalSection(&This->lock);
+        return E_OUTOFMEMORY;
+    }
+
+    for(i = 0; i < fmt->nChannels; ++i)
+        This->vols[i] = 1.f;
+
+    This->share = mode;
+    This->flags = flags;
+    This->oss_bufsize_bytes = 0;
+
+    EnterCriticalSection(&g_sessions_lock);
+
+    hr = get_audio_session(sessionguid, This->parent, fmt->nChannels,
+            &This->session);
+    if(FAILED(hr)){
+        LeaveCriticalSection(&g_sessions_lock);
+        HeapFree(GetProcessHeap(), 0, This->vols);
+        This->vols = NULL;
+        CoTaskMemFree(This->fmt);
+        This->fmt = NULL;
+        if(This->player){
+            SLCALL_N(This->player, Destroy);
+            This->player = NULL;
+        }
+        if(This->recorder){
+            SLCALL_N(This->recorder, Destroy);
+            This->recorder = NULL;
+        }
+        LeaveCriticalSection(&This->lock);
+        return hr;
+    }
+
+    list_add_tail(&This->session->clients, &This->entry);
+
+    LeaveCriticalSection(&g_sessions_lock);
+
+    This->initted = TRUE;
+
+    TRACE("numBuffers: %u, bufsize: %u, period: %u\n", loc_bq.numBuffers,
+            This->bufsize_frames, This->period_frames);
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
+        UINT32 *frames)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%p)\n", This, frames);
+
+    if(!frames)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    *frames = This->bufsize_frames;
+
+    TRACE("buffer size: %u\n", *frames);
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_GetStreamLatency(IAudioClient *iface,
+        REFERENCE_TIME *latency)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%p)\n", This, latency);
+
+    if(!latency)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    /* pretend we process audio in Period chunks, so max latency includes
+     * the period time.  Some native machines add .6666ms in shared mode. */
+    *latency = This->period_us * 10 + 6666;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
+        UINT32 *numpad)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%p)\n", This, numpad);
+
+    if(!numpad)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    *numpad = This->held_frames;
+
+    TRACE("padding: %u\n", *numpad);
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
+        AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *pwfx,
+        WAVEFORMATEX **outpwfx)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    SLDataFormat_PCM pcm;
+    HRESULT hr;
+
+    TRACE("(%p)->(%x, %p, %p)\n", This, mode, pwfx, outpwfx);
+
+    if(!pwfx || (mode == AUDCLNT_SHAREMODE_SHARED && !outpwfx))
+        return E_POINTER;
+
+    if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
+        return E_INVALIDARG;
+
+    if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
+            pwfx->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
+        return E_INVALIDARG;
+
+    dump_fmt(pwfx);
+
+    if(outpwfx){
+        *outpwfx = NULL;
+        if(mode != AUDCLNT_SHAREMODE_SHARED)
+            outpwfx = NULL;
+    }
+
+    hr = waveformat_to_pcm(This, pwfx, &pcm);
+    TRACE("returning: %08x\n", hr);
+    return hr;
+}
+
+static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
+        WAVEFORMATEX **pwfx)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    WAVEFORMATEXTENSIBLE *fmt;
+
+    TRACE("(%p)->(%p)\n", This, pwfx);
+
+    if(!pwfx)
+        return E_POINTER;
+    *pwfx = NULL;
+
+    fmt = CoTaskMemAlloc(sizeof(WAVEFORMATEXTENSIBLE));
+    if(!fmt)
+        return E_OUTOFMEMORY;
+
+    fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+    fmt->Format.wBitsPerSample = 16;
+    fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
+    if(This->dataflow == eRender)
+        fmt->Format.nChannels = 2;
+    else
+        fmt->Format.nChannels = 1;
+    fmt->Format.nSamplesPerSec = 48000; /* TODO: query supported? recording? */
+    fmt->Format.nBlockAlign = (fmt->Format.wBitsPerSample *
+            fmt->Format.nChannels) / 8;
+    fmt->Format.nAvgBytesPerSec = fmt->Format.nSamplesPerSec *
+        fmt->Format.nBlockAlign;
+    fmt->Samples.wValidBitsPerSample = fmt->Format.wBitsPerSample;
+    fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
+    fmt->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
+
+    *pwfx = (WAVEFORMATEX*)fmt;
+    dump_fmt(*pwfx);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_GetDevicePeriod(IAudioClient *iface,
+        REFERENCE_TIME *defperiod, REFERENCE_TIME *minperiod)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%p, %p)\n", This, defperiod, minperiod);
+
+    if(!defperiod && !minperiod)
+        return E_POINTER;
+
+    if(defperiod)
+        *defperiod = DefaultPeriod;
+    if(minperiod)
+        *minperiod = MinimumPeriod;
+
+    return S_OK;
+}
+
+static void silence_buffer(ACImpl *This, BYTE *buffer, UINT32 frames)
+{
+    WAVEFORMATEXTENSIBLE *fmtex = (WAVEFORMATEXTENSIBLE*)This->fmt;
+    if((This->fmt->wFormatTag == WAVE_FORMAT_PCM ||
+            (This->fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
+             IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) &&
+            This->fmt->wBitsPerSample == 8)
+        memset(buffer, 128, frames * This->fmt->nBlockAlign);
+    else
+        memset(buffer, 0, frames * This->fmt->nBlockAlign);
+}
+
+static void sl_read_data(ACImpl *This)
+{
+    SLAndroidSimpleBufferQueueState state;
+    SLresult sr;
+    SLuint32 elapsed;
+
+    memset(&state, 0, sizeof(state));
+
+    sr = SLCALL(This->bufq, GetState, &state);
+    if(sr != SL_RESULT_SUCCESS){
+        WARN("GetState failed: 0x%x\n", sr);
+        return;
+    }
+    TRACE("got: count: %u, index: %u, held: %u, in_sl: %u\n", state.count, state.index, This->held_frames, This->in_sl_frames);
+
+    elapsed = This->in_sl_frames - state.count * This->period_frames;
+    This->held_frames += elapsed;
+    This->in_sl_frames = state.count * This->period_frames;
+
+    if(This->held_frames == This->bufsize_frames){
+        /* overrun */
+        TRACE("overrun??\n");
+        This->lcl_offs_frames += This->period_frames;
+        This->held_frames -= This->period_frames;
+    }
+
+    TRACE("good range: %u, %u\n", This->lcl_offs_frames, This->lcl_offs_frames + This->held_frames);
+    TRACE("held: %u, in_sl: %u\n", This->held_frames, This->in_sl_frames);
+    while(This->held_frames + This->in_sl_frames < This->bufsize_frames){
+        TRACE("enqueueing: %u frames from %u\n", This->period_frames, (This->lcl_offs_frames + This->held_frames + This->in_sl_frames) % This->bufsize_frames);
+        sr = SLCALL(This->bufq, Enqueue,
+                This->local_buffer + ((This->lcl_offs_frames + This->held_frames + This->in_sl_frames) % This->bufsize_frames) * This->fmt->nBlockAlign,
+                This->period_frames * This->fmt->nBlockAlign);
+        if(sr != SL_RESULT_SUCCESS)
+            WARN("Enqueue failed: 0x%x\n", sr);
+        This->in_sl_frames += This->period_frames;
+    }
+}
+
+static DWORD wrap_enqueue(ACImpl *This)
+{
+    DWORD to_enqueue = min(This->held_frames, This->period_frames);
+    DWORD offs = (This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames;
+    BYTE *buf = This->local_buffer + offs * This->fmt->nBlockAlign;
+
+    if(offs + to_enqueue > This->bufsize_frames){
+        DWORD chunk = This->bufsize_frames - offs;
+
+        if(This->wrap_buffer_frames < to_enqueue){
+            HeapFree(GetProcessHeap(), 0, This->wrap_buffer);
+            This->wrap_buffer = HeapAlloc(GetProcessHeap(), 0, to_enqueue * This->fmt->nBlockAlign);
+            This->wrap_buffer_frames = to_enqueue;
+        }
+
+        memcpy(This->wrap_buffer, This->local_buffer + offs * This->fmt->nBlockAlign, chunk * This->fmt->nBlockAlign);
+        memcpy(This->wrap_buffer + chunk * This->fmt->nBlockAlign, This->local_buffer, (to_enqueue - chunk) * This->fmt->nBlockAlign);
+
+        buf = This->wrap_buffer;
+    }
+
+    SLCALL(This->bufq, Enqueue, buf,
+            to_enqueue * This->fmt->nBlockAlign);
+
+    return to_enqueue;
+}
+
+static void sl_write_data(ACImpl *This)
+{
+    SLAndroidSimpleBufferQueueState state;
+    SLresult sr;
+    SLuint32 elapsed;
+
+    memset(&state, 0, sizeof(state));
+
+    sr = SLCALL(This->bufq, GetState, &state);
+    if(sr != SL_RESULT_SUCCESS){
+        WARN("GetState failed: 0x%x\n", sr);
+        return;
+    }
+    TRACE("got: count: %u, index: %u\n", state.count, state.index);
+
+    elapsed = This->in_sl_frames - state.count * This->period_frames;
+
+    if(elapsed > This->held_frames)
+        This->held_frames = 0;
+    else
+        This->held_frames -= elapsed;
+
+    This->lcl_offs_frames += elapsed;
+    This->lcl_offs_frames %= This->bufsize_frames;
+
+    This->in_sl_frames = state.count * This->period_frames;
+
+    while(This->held_frames >= This->in_sl_frames + This->period_frames){
+        /* have at least a period to write, so write it */
+        TRACE("enqueueing: %u frames from %u\n", This->period_frames, (This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames);
+        This->in_sl_frames += wrap_enqueue(This);
+    }
+
+    if(This->held_frames && This->in_sl_frames < This->period_frames * 3){
+        /* write out the last bit with a partial period */
+        TRACE("enqueueing partial period: %u frames from %u\n", This->held_frames, (This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames);
+        This->in_sl_frames += wrap_enqueue(This);
+    }
+
+    TRACE("done with enqueue, lcl_offs: %u, in_sl: %u, held: %u\n", This->lcl_offs_frames, This->in_sl_frames, This->held_frames);
+}
+
+static void CALLBACK sl_period_callback(void *user, BOOLEAN timer)
+{
+    ACImpl *This = user;
+
+    EnterCriticalSection(&This->lock);
+
+    if(This->playing){
+        if(This->dataflow == eRender)
+            sl_write_data(This);
+        else if(This->dataflow == eCapture)
+            sl_read_data(This);
+    }
+
+    LeaveCriticalSection(&This->lock);
+
+    if(This->event)
+        SetEvent(This->event);
+}
+
+static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    SLresult sr;
+
+    TRACE("(%p)\n", This);
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    if((This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK) && !This->event){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_EVENTHANDLE_NOT_SET;
+    }
+
+    if(This->playing){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_STOPPED;
+    }
+
+    if(This->dataflow == eRender){
+        sr = SLCALL(This->playitf, SetPlayState, SL_PLAYSTATE_PLAYING);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("SetPlayState failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }else{
+        sr = SLCALL(This->recorditf, SetRecordState, SL_RECORDSTATE_RECORDING);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("SetRecordState failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }
+
+    if(!This->timer){
+        if(!CreateTimerQueueTimer(&This->timer, g_timer_q,
+                    sl_period_callback, This, 0, This->period_us / 1000,
+                    WT_EXECUTEINTIMERTHREAD))
+            WARN("Unable to create period timer: %u\n", GetLastError());
+    }
+
+    This->playing = TRUE;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    SLresult sr;
+
+    TRACE("(%p)\n", This);
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    if(!This->playing){
+        LeaveCriticalSection(&This->lock);
+        return S_FALSE;
+    }
+
+    if(This->dataflow == eRender){
+        sr = SLCALL(This->playitf, SetPlayState, SL_PLAYSTATE_PAUSED);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("SetPlayState failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }else{
+        sr = SLCALL(This->recorditf, SetRecordState, SL_RECORDSTATE_STOPPED);
+        if(sr != SL_RESULT_SUCCESS){
+            WARN("SetRecordState failed: 0x%x\n", sr);
+            LeaveCriticalSection(&This->lock);
+            return E_FAIL;
+        }
+    }
+
+    This->playing = FALSE;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+    SLresult sr;
+
+    TRACE("(%p)\n", This);
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    if(This->playing){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_STOPPED;
+    }
+
+    if(This->getbuf_last){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_BUFFER_OPERATION_PENDING;
+    }
+
+    sr = SLCALL_N(This->bufq, Clear);
+    if(sr != SL_RESULT_SUCCESS){
+        WARN("Clear failed: 0x%x\n", sr);
+        LeaveCriticalSection(&This->lock);
+        return E_FAIL;
+    }
+
+    This->lcl_offs_frames = 0;
+    This->in_sl_frames = 0;
+
+    if(This->dataflow == eRender){
+        This->written_frames = 0;
+        This->last_pos_frames = 0;
+    }else{
+        This->written_frames += This->held_frames;
+        while(This->in_sl_frames < This->bufsize_frames){
+            TRACE("enqueueing: %u frames from %u\n", This->period_frames, (This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames);
+            sr = SLCALL(This->bufq, Enqueue,
+                    This->local_buffer + ((This->lcl_offs_frames + This->in_sl_frames) % This->bufsize_frames) * This->fmt->nBlockAlign,
+                    This->period_frames * This->fmt->nBlockAlign);
+            if(sr != SL_RESULT_SUCCESS)
+                WARN("Enqueue failed: 0x%x\n", sr);
+            This->in_sl_frames += This->period_frames;
+        }
+    }
+
+    This->held_frames = 0;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_SetEventHandle(IAudioClient *iface,
+        HANDLE event)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%p)\n", This, event);
+
+    if(!event)
+        return E_INVALIDARG;
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    if(!(This->flags & AUDCLNT_STREAMFLAGS_EVENTCALLBACK)){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED;
+    }
+
+    if (This->event){
+        LeaveCriticalSection(&This->lock);
+        FIXME("called twice\n");
+        return HRESULT_FROM_WIN32(ERROR_INVALID_NAME);
+    }
+
+    This->event = event;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClient_GetService(IAudioClient *iface, REFIID riid,
+        void **ppv)
+{
+    ACImpl *This = impl_from_IAudioClient(iface);
+
+    TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    EnterCriticalSection(&This->lock);
+
+    if(!This->initted){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_NOT_INITIALIZED;
+    }
+
+    if(IsEqualIID(riid, &IID_IAudioRenderClient)){
+        if(This->dataflow != eRender){
+            LeaveCriticalSection(&This->lock);
+            return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
+        }
+        IAudioRenderClient_AddRef(&This->IAudioRenderClient_iface);
+        *ppv = &This->IAudioRenderClient_iface;
+    }else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
+        if(This->dataflow != eCapture){
+            LeaveCriticalSection(&This->lock);
+            return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
+        }
+        IAudioCaptureClient_AddRef(&This->IAudioCaptureClient_iface);
+        *ppv = &This->IAudioCaptureClient_iface;
+    }else if(IsEqualIID(riid, &IID_IAudioClock)){
+        IAudioClock_AddRef(&This->IAudioClock_iface);
+        *ppv = &This->IAudioClock_iface;
+    }else if(IsEqualIID(riid, &IID_IAudioStreamVolume)){
+        IAudioStreamVolume_AddRef(&This->IAudioStreamVolume_iface);
+        *ppv = &This->IAudioStreamVolume_iface;
+    }else if(IsEqualIID(riid, &IID_IAudioSessionControl)){
+        if(!This->session_wrapper){
+            This->session_wrapper = AudioSessionWrapper_Create(This);
+            if(!This->session_wrapper){
+                LeaveCriticalSection(&This->lock);
+                return E_OUTOFMEMORY;
+            }
+        }else
+            IAudioSessionControl2_AddRef(&This->session_wrapper->IAudioSessionControl2_iface);
+
+        *ppv = &This->session_wrapper->IAudioSessionControl2_iface;
+    }else if(IsEqualIID(riid, &IID_IChannelAudioVolume)){
+        if(!This->session_wrapper){
+            This->session_wrapper = AudioSessionWrapper_Create(This);
+            if(!This->session_wrapper){
+                LeaveCriticalSection(&This->lock);
+                return E_OUTOFMEMORY;
+            }
+        }else
+            IChannelAudioVolume_AddRef(&This->session_wrapper->IChannelAudioVolume_iface);
+
+        *ppv = &This->session_wrapper->IChannelAudioVolume_iface;
+    }else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
+        if(!This->session_wrapper){
+            This->session_wrapper = AudioSessionWrapper_Create(This);
+            if(!This->session_wrapper){
+                LeaveCriticalSection(&This->lock);
+                return E_OUTOFMEMORY;
+            }
+        }else
+            ISimpleAudioVolume_AddRef(&This->session_wrapper->ISimpleAudioVolume_iface);
+
+        *ppv = &This->session_wrapper->ISimpleAudioVolume_iface;
+    }
+
+    if(*ppv){
+        LeaveCriticalSection(&This->lock);
+        return S_OK;
+    }
+
+    LeaveCriticalSection(&This->lock);
+
+    FIXME("stub %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static const IAudioClientVtbl AudioClient_Vtbl =
+{
+    AudioClient_QueryInterface,
+    AudioClient_AddRef,
+    AudioClient_Release,
+    AudioClient_Initialize,
+    AudioClient_GetBufferSize,
+    AudioClient_GetStreamLatency,
+    AudioClient_GetCurrentPadding,
+    AudioClient_IsFormatSupported,
+    AudioClient_GetMixFormat,
+    AudioClient_GetDevicePeriod,
+    AudioClient_Start,
+    AudioClient_Stop,
+    AudioClient_Reset,
+    AudioClient_SetEventHandle,
+    AudioClient_GetService
+};
+
+static HRESULT WINAPI AudioRenderClient_QueryInterface(
+        IAudioRenderClient *iface, REFIID riid, void **ppv)
+{
+    ACImpl *This = impl_from_IAudioRenderClient(iface);
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IAudioRenderClient))
+        *ppv = iface;
+    else if(IsEqualIID(riid, &IID_IMarshal))
+        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioRenderClient_AddRef(IAudioRenderClient *iface)
+{
+    ACImpl *This = impl_from_IAudioRenderClient(iface);
+    return AudioClient_AddRef(&This->IAudioClient_iface);
+}
+
+static ULONG WINAPI AudioRenderClient_Release(IAudioRenderClient *iface)
+{
+    ACImpl *This = impl_from_IAudioRenderClient(iface);
+    return AudioClient_Release(&This->IAudioClient_iface);
+}
+
+static HRESULT WINAPI AudioRenderClient_GetBuffer(IAudioRenderClient *iface,
+        UINT32 frames, BYTE **data)
+{
+    ACImpl *This = impl_from_IAudioRenderClient(iface);
+    UINT32 write_pos;
+
+    TRACE("(%p)->(%u, %p)\n", This, frames, data);
+
+    if(!data)
+        return E_POINTER;
+
+    *data = NULL;
+
+    EnterCriticalSection(&This->lock);
+
+    if(This->getbuf_last){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_OUT_OF_ORDER;
+    }
+
+    if(!frames){
+        LeaveCriticalSection(&This->lock);
+        return S_OK;
+    }
+
+    if(This->held_frames + frames > This->bufsize_frames){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_BUFFER_TOO_LARGE;
+    }
+
+    write_pos =
+        (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
+    if(write_pos + frames > This->bufsize_frames){
+        if(This->tmp_buffer_frames < frames){
+            DWORD alloc = frames < This->period_frames ? This->period_frames : frames;
+            HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
+            This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
+                    alloc * This->fmt->nBlockAlign);
+            if(!This->tmp_buffer){
+                LeaveCriticalSection(&This->lock);
+                return E_OUTOFMEMORY;
+            }
+            This->tmp_buffer_frames = alloc;
+        }
+        *data = This->tmp_buffer;
+        This->getbuf_last = -frames;
+    }else{
+        *data = This->local_buffer + write_pos * This->fmt->nBlockAlign;
+        This->getbuf_last = frames;
+    }
+
+    silence_buffer(This, *data, frames);
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static void oss_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_frames)
+{
+    UINT32 write_offs_frames =
+        (This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
+    UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign;
+    UINT32 chunk_frames = This->bufsize_frames - write_offs_frames;
+    UINT32 chunk_bytes = chunk_frames * This->fmt->nBlockAlign;
+    UINT32 written_bytes = written_frames * This->fmt->nBlockAlign;
+
+    if(written_bytes <= chunk_bytes){
+        memcpy(This->local_buffer + write_offs_bytes, buffer, written_bytes);
+    }else{
+        memcpy(This->local_buffer + write_offs_bytes, buffer, chunk_bytes);
+        memcpy(This->local_buffer, buffer + chunk_bytes,
+                written_bytes - chunk_bytes);
+    }
+}
+
+static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
+        IAudioRenderClient *iface, UINT32 written_frames, DWORD flags)
+{
+    ACImpl *This = impl_from_IAudioRenderClient(iface);
+    BYTE *buffer;
+
+    TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
+
+    EnterCriticalSection(&This->lock);
+
+    if(!written_frames){
+        This->getbuf_last = 0;
+        LeaveCriticalSection(&This->lock);
+        return S_OK;
+    }
+
+    if(!This->getbuf_last){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_OUT_OF_ORDER;
+    }
+
+    if(written_frames > (This->getbuf_last >= 0 ? This->getbuf_last : -This->getbuf_last)){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_INVALID_SIZE;
+    }
+
+    if(This->getbuf_last >= 0)
+        buffer = This->local_buffer + This->fmt->nBlockAlign *
+          ((This->lcl_offs_frames + This->held_frames) % This->bufsize_frames);
+    else
+        buffer = This->tmp_buffer;
+
+    if(flags & AUDCLNT_BUFFERFLAGS_SILENT)
+        silence_buffer(This, buffer, written_frames);
+
+    if(This->getbuf_last < 0)
+        oss_wrap_buffer(This, buffer, written_frames);
+
+    This->held_frames += written_frames;
+    This->written_frames += written_frames;
+    This->getbuf_last = 0;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static const IAudioRenderClientVtbl AudioRenderClient_Vtbl = {
+    AudioRenderClient_QueryInterface,
+    AudioRenderClient_AddRef,
+    AudioRenderClient_Release,
+    AudioRenderClient_GetBuffer,
+    AudioRenderClient_ReleaseBuffer
+};
+
+static HRESULT WINAPI AudioCaptureClient_QueryInterface(
+        IAudioCaptureClient *iface, REFIID riid, void **ppv)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IAudioCaptureClient))
+        *ppv = iface;
+    else if(IsEqualIID(riid, &IID_IMarshal))
+        return IUnknown_QueryInterface(This->pUnkFTMarshal, riid, ppv);
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioCaptureClient_AddRef(IAudioCaptureClient *iface)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+    return IAudioClient_AddRef(&This->IAudioClient_iface);
+}
+
+static ULONG WINAPI AudioCaptureClient_Release(IAudioCaptureClient *iface)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+    return IAudioClient_Release(&This->IAudioClient_iface);
+}
+
+static HRESULT WINAPI AudioCaptureClient_GetBuffer(IAudioCaptureClient *iface,
+        BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos,
+        UINT64 *qpcpos)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+
+    TRACE("(%p)->(%p, %p, %p, %p, %p)\n", This, data, frames, flags,
+            devpos, qpcpos);
+
+    if(!data || !frames || !flags)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    if(This->getbuf_last){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_OUT_OF_ORDER;
+    }
+
+    if(This->held_frames < This->period_frames){
+        *frames = 0;
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_S_BUFFER_EMPTY;
+    }
+
+    *flags = 0;
+
+    *frames = This->period_frames;
+
+    if(This->lcl_offs_frames + *frames > This->bufsize_frames){
+        UINT32 chunk_bytes, offs_bytes, frames_bytes;
+        if(This->tmp_buffer_frames < *frames){
+            HeapFree(GetProcessHeap(), 0, This->tmp_buffer);
+            This->tmp_buffer = HeapAlloc(GetProcessHeap(), 0,
+                    *frames * This->fmt->nBlockAlign);
+            if(!This->tmp_buffer){
+                LeaveCriticalSection(&This->lock);
+                return E_OUTOFMEMORY;
+            }
+            This->tmp_buffer_frames = *frames;
+        }
+
+        *data = This->tmp_buffer;
+        chunk_bytes = (This->bufsize_frames - This->lcl_offs_frames) *
+            This->fmt->nBlockAlign;
+        offs_bytes = This->lcl_offs_frames * This->fmt->nBlockAlign;
+        frames_bytes = *frames * This->fmt->nBlockAlign;
+        memcpy(This->tmp_buffer, This->local_buffer + offs_bytes, chunk_bytes);
+        memcpy(This->tmp_buffer + chunk_bytes, This->local_buffer,
+                frames_bytes - chunk_bytes);
+    }else
+        *data = This->local_buffer +
+            This->lcl_offs_frames * This->fmt->nBlockAlign;
+    TRACE("returning %u from %u\n", This->period_frames, This->lcl_offs_frames);
+
+    This->getbuf_last = *frames;
+
+    if(devpos)
+       *devpos = This->written_frames;
+    if(qpcpos){
+        LARGE_INTEGER stamp, freq;
+        QueryPerformanceCounter(&stamp);
+        QueryPerformanceFrequency(&freq);
+        *qpcpos = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
+    }
+
+    LeaveCriticalSection(&This->lock);
+
+    return *frames ? S_OK : AUDCLNT_S_BUFFER_EMPTY;
+}
+
+static HRESULT WINAPI AudioCaptureClient_ReleaseBuffer(
+        IAudioCaptureClient *iface, UINT32 done)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+
+    TRACE("(%p)->(%u)\n", This, done);
+
+    EnterCriticalSection(&This->lock);
+
+    if(!done){
+        This->getbuf_last = 0;
+        LeaveCriticalSection(&This->lock);
+        return S_OK;
+    }
+
+    if(!This->getbuf_last){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_OUT_OF_ORDER;
+    }
+
+    if(This->getbuf_last != done){
+        LeaveCriticalSection(&This->lock);
+        return AUDCLNT_E_INVALID_SIZE;
+    }
+
+    This->written_frames += done;
+    This->held_frames -= done;
+    This->lcl_offs_frames += done;
+    This->lcl_offs_frames %= This->bufsize_frames;
+    This->getbuf_last = 0;
+    TRACE("lcl: %u, held: %u\n", This->lcl_offs_frames, This->held_frames);
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioCaptureClient_GetNextPacketSize(
+        IAudioCaptureClient *iface, UINT32 *frames)
+{
+    ACImpl *This = impl_from_IAudioCaptureClient(iface);
+
+    TRACE("(%p)->(%p)\n", This, frames);
+
+    if(!frames)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    *frames = This->held_frames < This->period_frames ? 0 : This->period_frames;
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
+{
+    AudioCaptureClient_QueryInterface,
+    AudioCaptureClient_AddRef,
+    AudioCaptureClient_Release,
+    AudioCaptureClient_GetBuffer,
+    AudioCaptureClient_ReleaseBuffer,
+    AudioCaptureClient_GetNextPacketSize
+};
+
+static HRESULT WINAPI AudioClock_QueryInterface(IAudioClock *iface,
+        REFIID riid, void **ppv)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IAudioClock))
+        *ppv = iface;
+    else if(IsEqualIID(riid, &IID_IAudioClock2))
+        *ppv = &This->IAudioClock2_iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioClock_AddRef(IAudioClock *iface)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+    return IAudioClient_AddRef(&This->IAudioClient_iface);
+}
+
+static ULONG WINAPI AudioClock_Release(IAudioClock *iface)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+    return IAudioClient_Release(&This->IAudioClient_iface);
+}
+
+static HRESULT WINAPI AudioClock_GetFrequency(IAudioClock *iface, UINT64 *freq)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+
+    TRACE("(%p)->(%p)\n", This, freq);
+
+    if(This->share == AUDCLNT_SHAREMODE_SHARED)
+        *freq = (UINT64)This->fmt->nSamplesPerSec * This->fmt->nBlockAlign;
+    else
+        *freq = This->fmt->nSamplesPerSec;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
+        UINT64 *qpctime)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+
+    TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
+
+    if(!pos)
+        return E_POINTER;
+
+    EnterCriticalSection(&This->lock);
+
+    if(This->dataflow == eRender){
+        *pos = This->written_frames - This->held_frames;
+        if(*pos < This->last_pos_frames)
+            *pos = This->last_pos_frames;
+    }else if(This->dataflow == eCapture){
+        *pos = This->written_frames - This->held_frames;
+    }
+
+    This->last_pos_frames = *pos;
+
+    TRACE("returning: 0x%s\n", wine_dbgstr_longlong(*pos));
+    if(This->share == AUDCLNT_SHAREMODE_SHARED)
+        *pos *= This->fmt->nBlockAlign;
+
+    LeaveCriticalSection(&This->lock);
+
+    if(qpctime){
+        LARGE_INTEGER stamp, freq;
+        QueryPerformanceCounter(&stamp);
+        QueryPerformanceFrequency(&freq);
+        *qpctime = (stamp.QuadPart * (INT64)10000000) / freq.QuadPart;
+    }
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioClock_GetCharacteristics(IAudioClock *iface,
+        DWORD *chars)
+{
+    ACImpl *This = impl_from_IAudioClock(iface);
+
+    TRACE("(%p)->(%p)\n", This, chars);
+
+    if(!chars)
+        return E_POINTER;
+
+    *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ;
+
+    return S_OK;
+}
+
+static const IAudioClockVtbl AudioClock_Vtbl =
+{
+    AudioClock_QueryInterface,
+    AudioClock_AddRef,
+    AudioClock_Release,
+    AudioClock_GetFrequency,
+    AudioClock_GetPosition,
+    AudioClock_GetCharacteristics
+};
+
+static HRESULT WINAPI AudioClock2_QueryInterface(IAudioClock2 *iface,
+        REFIID riid, void **ppv)
+{
+    ACImpl *This = impl_from_IAudioClock2(iface);
+    return IAudioClock_QueryInterface(&This->IAudioClock_iface, riid, ppv);
+}
+
+static ULONG WINAPI AudioClock2_AddRef(IAudioClock2 *iface)
+{
+    ACImpl *This = impl_from_IAudioClock2(iface);
+    return IAudioClient_AddRef(&This->IAudioClient_iface);
+}
+
+static ULONG WINAPI AudioClock2_Release(IAudioClock2 *iface)
+{
+    ACImpl *This = impl_from_IAudioClock2(iface);
+    return IAudioClient_Release(&This->IAudioClient_iface);
+}
+
+static HRESULT WINAPI AudioClock2_GetDevicePosition(IAudioClock2 *iface,
+        UINT64 *pos, UINT64 *qpctime)
+{
+    ACImpl *This = impl_from_IAudioClock2(iface);
+
+    FIXME("(%p)->(%p, %p)\n", This, pos, qpctime);
+
+    return E_NOTIMPL;
+}
+
+static const IAudioClock2Vtbl AudioClock2_Vtbl =
+{
+    AudioClock2_QueryInterface,
+    AudioClock2_AddRef,
+    AudioClock2_Release,
+    AudioClock2_GetDevicePosition
+};
+
+static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client)
+{
+    AudioSessionWrapper *ret;
+
+    ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
+            sizeof(AudioSessionWrapper));
+    if(!ret)
+        return NULL;
+
+    ret->IAudioSessionControl2_iface.lpVtbl = &AudioSessionControl2_Vtbl;
+    ret->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
+    ret->IChannelAudioVolume_iface.lpVtbl = &ChannelAudioVolume_Vtbl;
+
+    ret->ref = 1;
+
+    ret->client = client;
+    if(client){
+        ret->session = client->session;
+        AudioClient_AddRef(&client->IAudioClient_iface);
+    }
+
+    return ret;
+}
+
+static HRESULT WINAPI AudioSessionControl_QueryInterface(
+        IAudioSessionControl2 *iface, REFIID riid, void **ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IAudioSessionControl) ||
+            IsEqualIID(riid, &IID_IAudioSessionControl2))
+        *ppv = iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioSessionControl_AddRef(IAudioSessionControl2 *iface)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+    ULONG ref;
+    ref = InterlockedIncrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    return ref;
+}
+
+static ULONG WINAPI AudioSessionControl_Release(IAudioSessionControl2 *iface)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+    ULONG ref;
+    ref = InterlockedDecrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    if(!ref){
+        if(This->client){
+            EnterCriticalSection(&This->client->lock);
+            This->client->session_wrapper = NULL;
+            LeaveCriticalSection(&This->client->lock);
+            AudioClient_Release(&This->client->IAudioClient_iface);
+        }
+        HeapFree(GetProcessHeap(), 0, This);
+    }
+    return ref;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
+        AudioSessionState *state)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+    ACImpl *client;
+
+    TRACE("(%p)->(%p)\n", This, state);
+
+    if(!state)
+        return NULL_PTR_ERR;
+
+    EnterCriticalSection(&g_sessions_lock);
+
+    if(list_empty(&This->session->clients)){
+        *state = AudioSessionStateExpired;
+        LeaveCriticalSection(&g_sessions_lock);
+        return S_OK;
+    }
+
+    LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry){
+        EnterCriticalSection(&client->lock);
+        if(client->playing){
+            *state = AudioSessionStateActive;
+            LeaveCriticalSection(&client->lock);
+            LeaveCriticalSection(&g_sessions_lock);
+            return S_OK;
+        }
+        LeaveCriticalSection(&client->lock);
+    }
+
+    LeaveCriticalSection(&g_sessions_lock);
+
+    *state = AudioSessionStateInactive;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetDisplayName(
+        IAudioSessionControl2 *iface, WCHAR **name)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, name);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_SetDisplayName(
+        IAudioSessionControl2 *iface, const WCHAR *name, const GUID *session)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p, %s) - stub\n", This, name, debugstr_guid(session));
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetIconPath(
+        IAudioSessionControl2 *iface, WCHAR **path)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, path);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_SetIconPath(
+        IAudioSessionControl2 *iface, const WCHAR *path, const GUID *session)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p, %s) - stub\n", This, path, debugstr_guid(session));
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetGroupingParam(
+        IAudioSessionControl2 *iface, GUID *group)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, group);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_SetGroupingParam(
+        IAudioSessionControl2 *iface, const GUID *group, const GUID *session)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%s, %s) - stub\n", This, debugstr_guid(group),
+            debugstr_guid(session));
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_RegisterAudioSessionNotification(
+        IAudioSessionControl2 *iface, IAudioSessionEvents *events)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, events);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionControl_UnregisterAudioSessionNotification(
+        IAudioSessionControl2 *iface, IAudioSessionEvents *events)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, events);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetSessionIdentifier(
+        IAudioSessionControl2 *iface, WCHAR **id)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, id);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetSessionInstanceIdentifier(
+        IAudioSessionControl2 *iface, WCHAR **id)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    FIXME("(%p)->(%p) - stub\n", This, id);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionControl_GetProcessId(
+        IAudioSessionControl2 *iface, DWORD *pid)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    TRACE("(%p)->(%p)\n", This, pid);
+
+    if(!pid)
+        return E_POINTER;
+
+    *pid = GetCurrentProcessId();
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionControl_IsSystemSoundsSession(
+        IAudioSessionControl2 *iface)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    TRACE("(%p)\n", This);
+
+    return S_FALSE;
+}
+
+static HRESULT WINAPI AudioSessionControl_SetDuckingPreference(
+        IAudioSessionControl2 *iface, BOOL optout)
+{
+    AudioSessionWrapper *This = impl_from_IAudioSessionControl2(iface);
+
+    TRACE("(%p)->(%d)\n", This, optout);
+
+    return S_OK;
+}
+
+static const IAudioSessionControl2Vtbl AudioSessionControl2_Vtbl =
+{
+    AudioSessionControl_QueryInterface,
+    AudioSessionControl_AddRef,
+    AudioSessionControl_Release,
+    AudioSessionControl_GetState,
+    AudioSessionControl_GetDisplayName,
+    AudioSessionControl_SetDisplayName,
+    AudioSessionControl_GetIconPath,
+    AudioSessionControl_SetIconPath,
+    AudioSessionControl_GetGroupingParam,
+    AudioSessionControl_SetGroupingParam,
+    AudioSessionControl_RegisterAudioSessionNotification,
+    AudioSessionControl_UnregisterAudioSessionNotification,
+    AudioSessionControl_GetSessionIdentifier,
+    AudioSessionControl_GetSessionInstanceIdentifier,
+    AudioSessionControl_GetProcessId,
+    AudioSessionControl_IsSystemSoundsSession,
+    AudioSessionControl_SetDuckingPreference
+};
+
+static HRESULT WINAPI SimpleAudioVolume_QueryInterface(
+        ISimpleAudioVolume *iface, REFIID riid, void **ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_ISimpleAudioVolume))
+        *ppv = iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
+}
+
+static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
+}
+
+static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
+        ISimpleAudioVolume *iface, float level, const GUID *context)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%f, %s)\n", session, level, wine_dbgstr_guid(context));
+
+    if(level < 0.f || level > 1.f)
+        return E_INVALIDARG;
+
+    if(context)
+        FIXME("Notifications not supported yet\n");
+
+    EnterCriticalSection(&session->lock);
+
+    session->master_vol = level;
+
+    TRACE("OSS doesn't support setting volume\n");
+
+    LeaveCriticalSection(&session->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
+        ISimpleAudioVolume *iface, float *level)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%p)\n", session, level);
+
+    if(!level)
+        return NULL_PTR_ERR;
+
+    *level = session->master_vol;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
+        BOOL mute, const GUID *context)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%u, %p)\n", session, mute, context);
+
+    EnterCriticalSection(&session->lock);
+
+    session->mute = mute;
+
+    LeaveCriticalSection(&session->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
+        BOOL *mute)
+{
+    AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%p)\n", session, mute);
+
+    if(!mute)
+        return NULL_PTR_ERR;
+
+    *mute = This->session->mute;
+
+    return S_OK;
+}
+
+static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl  =
+{
+    SimpleAudioVolume_QueryInterface,
+    SimpleAudioVolume_AddRef,
+    SimpleAudioVolume_Release,
+    SimpleAudioVolume_SetMasterVolume,
+    SimpleAudioVolume_GetMasterVolume,
+    SimpleAudioVolume_SetMute,
+    SimpleAudioVolume_GetMute
+};
+
+static HRESULT WINAPI AudioStreamVolume_QueryInterface(
+        IAudioStreamVolume *iface, REFIID riid, void **ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IAudioStreamVolume))
+        *ppv = iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioStreamVolume_AddRef(IAudioStreamVolume *iface)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+    return IAudioClient_AddRef(&This->IAudioClient_iface);
+}
+
+static ULONG WINAPI AudioStreamVolume_Release(IAudioStreamVolume *iface)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+    return IAudioClient_Release(&This->IAudioClient_iface);
+}
+
+static HRESULT WINAPI AudioStreamVolume_GetChannelCount(
+        IAudioStreamVolume *iface, UINT32 *out)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+
+    TRACE("(%p)->(%p)\n", This, out);
+
+    if(!out)
+        return E_POINTER;
+
+    *out = This->fmt->nChannels;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioStreamVolume_SetChannelVolume(
+        IAudioStreamVolume *iface, UINT32 index, float level)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+
+    TRACE("(%p)->(%d, %f)\n", This, index, level);
+
+    if(level < 0.f || level > 1.f)
+        return E_INVALIDARG;
+
+    if(index >= This->fmt->nChannels)
+        return E_INVALIDARG;
+
+    EnterCriticalSection(&This->lock);
+
+    This->vols[index] = level;
+
+    TRACE("OSS doesn't support setting volume\n");
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioStreamVolume_GetChannelVolume(
+        IAudioStreamVolume *iface, UINT32 index, float *level)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+
+    TRACE("(%p)->(%d, %p)\n", This, index, level);
+
+    if(!level)
+        return E_POINTER;
+
+    if(index >= This->fmt->nChannels)
+        return E_INVALIDARG;
+
+    *level = This->vols[index];
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioStreamVolume_SetAllVolumes(
+        IAudioStreamVolume *iface, UINT32 count, const float *levels)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+    int i;
+
+    TRACE("(%p)->(%d, %p)\n", This, count, levels);
+
+    if(!levels)
+        return E_POINTER;
+
+    if(count != This->fmt->nChannels)
+        return E_INVALIDARG;
+
+    EnterCriticalSection(&This->lock);
+
+    for(i = 0; i < count; ++i)
+        This->vols[i] = levels[i];
+
+    TRACE("OSS doesn't support setting volume\n");
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioStreamVolume_GetAllVolumes(
+        IAudioStreamVolume *iface, UINT32 count, float *levels)
+{
+    ACImpl *This = impl_from_IAudioStreamVolume(iface);
+    int i;
+
+    TRACE("(%p)->(%d, %p)\n", This, count, levels);
+
+    if(!levels)
+        return E_POINTER;
+
+    if(count != This->fmt->nChannels)
+        return E_INVALIDARG;
+
+    EnterCriticalSection(&This->lock);
+
+    for(i = 0; i < count; ++i)
+        levels[i] = This->vols[i];
+
+    LeaveCriticalSection(&This->lock);
+
+    return S_OK;
+}
+
+static const IAudioStreamVolumeVtbl AudioStreamVolume_Vtbl =
+{
+    AudioStreamVolume_QueryInterface,
+    AudioStreamVolume_AddRef,
+    AudioStreamVolume_Release,
+    AudioStreamVolume_GetChannelCount,
+    AudioStreamVolume_SetChannelVolume,
+    AudioStreamVolume_GetChannelVolume,
+    AudioStreamVolume_SetAllVolumes,
+    AudioStreamVolume_GetAllVolumes
+};
+
+static HRESULT WINAPI ChannelAudioVolume_QueryInterface(
+        IChannelAudioVolume *iface, REFIID riid, void **ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IChannelAudioVolume))
+        *ppv = iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI ChannelAudioVolume_AddRef(IChannelAudioVolume *iface)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
+}
+
+static ULONG WINAPI ChannelAudioVolume_Release(IChannelAudioVolume *iface)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    return AudioSessionControl_Release(&This->IAudioSessionControl2_iface);
+}
+
+static HRESULT WINAPI ChannelAudioVolume_GetChannelCount(
+        IChannelAudioVolume *iface, UINT32 *out)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%p)\n", session, out);
+
+    if(!out)
+        return NULL_PTR_ERR;
+
+    *out = session->channel_count;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI ChannelAudioVolume_SetChannelVolume(
+        IChannelAudioVolume *iface, UINT32 index, float level,
+        const GUID *context)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%d, %f, %s)\n", session, index, level,
+            wine_dbgstr_guid(context));
+
+    if(level < 0.f || level > 1.f)
+        return E_INVALIDARG;
+
+    if(index >= session->channel_count)
+        return E_INVALIDARG;
+
+    if(context)
+        FIXME("Notifications not supported yet\n");
+
+    EnterCriticalSection(&session->lock);
+
+    session->channel_vols[index] = level;
+
+    TRACE("OSS doesn't support setting volume\n");
+
+    LeaveCriticalSection(&session->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI ChannelAudioVolume_GetChannelVolume(
+        IChannelAudioVolume *iface, UINT32 index, float *level)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    AudioSession *session = This->session;
+
+    TRACE("(%p)->(%d, %p)\n", session, index, level);
+
+    if(!level)
+        return NULL_PTR_ERR;
+
+    if(index >= session->channel_count)
+        return E_INVALIDARG;
+
+    *level = session->channel_vols[index];
+
+    return S_OK;
+}
+
+static HRESULT WINAPI ChannelAudioVolume_SetAllVolumes(
+        IChannelAudioVolume *iface, UINT32 count, const float *levels,
+        const GUID *context)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    AudioSession *session = This->session;
+    int i;
+
+    TRACE("(%p)->(%d, %p, %s)\n", session, count, levels,
+            wine_dbgstr_guid(context));
+
+    if(!levels)
+        return NULL_PTR_ERR;
+
+    if(count != session->channel_count)
+        return E_INVALIDARG;
+
+    if(context)
+        FIXME("Notifications not supported yet\n");
+
+    EnterCriticalSection(&session->lock);
+
+    for(i = 0; i < count; ++i)
+        session->channel_vols[i] = levels[i];
+
+    TRACE("OSS doesn't support setting volume\n");
+
+    LeaveCriticalSection(&session->lock);
+
+    return S_OK;
+}
+
+static HRESULT WINAPI ChannelAudioVolume_GetAllVolumes(
+        IChannelAudioVolume *iface, UINT32 count, float *levels)
+{
+    AudioSessionWrapper *This = impl_from_IChannelAudioVolume(iface);
+    AudioSession *session = This->session;
+    int i;
+
+    TRACE("(%p)->(%d, %p)\n", session, count, levels);
+
+    if(!levels)
+        return NULL_PTR_ERR;
+
+    if(count != session->channel_count)
+        return E_INVALIDARG;
+
+    for(i = 0; i < count; ++i)
+        levels[i] = session->channel_vols[i];
+
+    return S_OK;
+}
+
+static const IChannelAudioVolumeVtbl ChannelAudioVolume_Vtbl =
+{
+    ChannelAudioVolume_QueryInterface,
+    ChannelAudioVolume_AddRef,
+    ChannelAudioVolume_Release,
+    ChannelAudioVolume_GetChannelCount,
+    ChannelAudioVolume_SetChannelVolume,
+    ChannelAudioVolume_GetChannelVolume,
+    ChannelAudioVolume_SetAllVolumes,
+    ChannelAudioVolume_GetAllVolumes
+};
+
+static HRESULT WINAPI AudioSessionManager_QueryInterface(IAudioSessionManager2 *iface,
+        REFIID riid, void **ppv)
+{
+    TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
+
+    if(!ppv)
+        return E_POINTER;
+    *ppv = NULL;
+
+    if(IsEqualIID(riid, &IID_IUnknown) ||
+            IsEqualIID(riid, &IID_IAudioSessionManager) ||
+            IsEqualIID(riid, &IID_IAudioSessionManager2))
+        *ppv = iface;
+    if(*ppv){
+        IUnknown_AddRef((IUnknown*)*ppv);
+        return S_OK;
+    }
+
+    WARN("Unknown interface %s\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI AudioSessionManager_AddRef(IAudioSessionManager2 *iface)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    ULONG ref;
+    ref = InterlockedIncrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    return ref;
+}
+
+static ULONG WINAPI AudioSessionManager_Release(IAudioSessionManager2 *iface)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    ULONG ref;
+    ref = InterlockedDecrement(&This->ref);
+    TRACE("(%p) Refcount now %u\n", This, ref);
+    if(!ref)
+        HeapFree(GetProcessHeap(), 0, This);
+    return ref;
+}
+
+static HRESULT WINAPI AudioSessionManager_GetAudioSessionControl(
+        IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
+        IAudioSessionControl **out)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    AudioSession *session;
+    AudioSessionWrapper *wrapper;
+    HRESULT hr;
+
+    TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
+            flags, out);
+
+    hr = get_audio_session(session_guid, This->device, 0, &session);
+    if(FAILED(hr))
+        return hr;
+
+    wrapper = AudioSessionWrapper_Create(NULL);
+    if(!wrapper)
+        return E_OUTOFMEMORY;
+
+    wrapper->session = session;
+
+    *out = (IAudioSessionControl*)&wrapper->IAudioSessionControl2_iface;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionManager_GetSimpleAudioVolume(
+        IAudioSessionManager2 *iface, const GUID *session_guid, DWORD flags,
+        ISimpleAudioVolume **out)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    AudioSession *session;
+    AudioSessionWrapper *wrapper;
+    HRESULT hr;
+
+    TRACE("(%p)->(%s, %x, %p)\n", This, debugstr_guid(session_guid),
+            flags, out);
+
+    hr = get_audio_session(session_guid, This->device, 0, &session);
+    if(FAILED(hr))
+        return hr;
+
+    wrapper = AudioSessionWrapper_Create(NULL);
+    if(!wrapper)
+        return E_OUTOFMEMORY;
+
+    wrapper->session = session;
+
+    *out = &wrapper->ISimpleAudioVolume_iface;
+
+    return S_OK;
+}
+
+static HRESULT WINAPI AudioSessionManager_GetSessionEnumerator(
+        IAudioSessionManager2 *iface, IAudioSessionEnumerator **out)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    FIXME("(%p)->(%p) - stub\n", This, out);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionManager_RegisterSessionNotification(
+        IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    FIXME("(%p)->(%p) - stub\n", This, notification);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionManager_UnregisterSessionNotification(
+        IAudioSessionManager2 *iface, IAudioSessionNotification *notification)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    FIXME("(%p)->(%p) - stub\n", This, notification);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionManager_RegisterDuckNotification(
+        IAudioSessionManager2 *iface, const WCHAR *session_id,
+        IAudioVolumeDuckNotification *notification)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    FIXME("(%p)->(%p) - stub\n", This, notification);
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI AudioSessionManager_UnregisterDuckNotification(
+        IAudioSessionManager2 *iface,
+        IAudioVolumeDuckNotification *notification)
+{
+    SessionMgr *This = impl_from_IAudioSessionManager2(iface);
+    FIXME("(%p)->(%p) - stub\n", This, notification);
+    return E_NOTIMPL;
+}
+
+static const IAudioSessionManager2Vtbl AudioSessionManager2_Vtbl =
+{
+    AudioSessionManager_QueryInterface,
+    AudioSessionManager_AddRef,
+    AudioSessionManager_Release,
+    AudioSessionManager_GetAudioSessionControl,
+    AudioSessionManager_GetSimpleAudioVolume,
+    AudioSessionManager_GetSessionEnumerator,
+    AudioSessionManager_RegisterSessionNotification,
+    AudioSessionManager_UnregisterSessionNotification,
+    AudioSessionManager_RegisterDuckNotification,
+    AudioSessionManager_UnregisterDuckNotification
+};
+
+HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
+        IAudioSessionManager2 **out)
+{
+    SessionMgr *This;
+
+    This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SessionMgr));
+    if(!This)
+        return E_OUTOFMEMORY;
+
+    This->IAudioSessionManager2_iface.lpVtbl = &AudioSessionManager2_Vtbl;
+    This->device = device;
+    This->ref = 1;
+
+    *out = &This->IAudioSessionManager2_iface;
+
+    return S_OK;
+}
diff --git a/dlls/wineandroid.drv/wineandroid.drv.spec b/dlls/wineandroid.drv/wineandroid.drv.spec
index 3439ff6c30d51bee595e9cf08e810b53a5363781..99a3af88c09d95a6c64e0dfa04101ccd35f6b785 100644
--- a/dlls/wineandroid.drv/wineandroid.drv.spec
+++ b/dlls/wineandroid.drv/wineandroid.drv.spec
@@ -29,3 +29,9 @@
 
 # Desktop
 @ cdecl wine_create_desktop(long long) ANDROID_create_desktop
+
+# MMDevAPI driver functions
+@ stdcall -private GetPriority() AUDDRV_GetPriority
+@ stdcall -private GetEndpointIDs(long ptr ptr ptr ptr) AUDDRV_GetEndpointIDs
+@ stdcall -private GetAudioEndpoint(ptr ptr ptr) AUDDRV_GetAudioEndpoint
+@ stdcall -private GetAudioSessionManager(ptr ptr) AUDDRV_GetAudioSessionManager