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wine-wine/dlls/winealsa.drv/mmdevdrv.c

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/*
* Copyright 2010 Maarten Lankhorst for CodeWeavers
* Copyright 2011 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 <stdarg.h>
#include <math.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 "ole2.h"
#include "mmdeviceapi.h"
#include "devpkey.h"
#include "dshow.h"
#include "dsound.h"
#include "endpointvolume.h"
#include "initguid.h"
#include "audioclient.h"
#include "audiopolicy.h"
#include "dsdriver.h"
#include <alsa/asoundlib.h>
WINE_DEFAULT_DEBUG_CHANNEL(alsa);
#define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
static const REFERENCE_TIME DefaultPeriod = 200000;
static const REFERENCE_TIME MinimumPeriod = 100000;
struct ACImpl;
typedef struct ACImpl ACImpl;
typedef struct _AudioSession {
GUID guid;
struct list clients;
EDataFlow dataflow;
struct list entry;
} AudioSession;
typedef struct _AudioSessionWrapper {
IAudioSessionControl2 IAudioSessionControl2_iface;
LONG ref;
ACImpl *client;
AudioSession *session;
} AudioSessionWrapper;
struct ACImpl {
IAudioClient IAudioClient_iface;
IAudioRenderClient IAudioRenderClient_iface;
IAudioCaptureClient IAudioCaptureClient_iface;
ISimpleAudioVolume ISimpleAudioVolume_iface;
IAudioClock IAudioClock_iface;
IAudioClock2 IAudioClock2_iface;
LONG ref;
snd_pcm_t *pcm_handle;
snd_pcm_uframes_t period_alsa, bufsize_alsa;
snd_pcm_hw_params_t *hw_params; /* does not hold state between calls */
IMMDevice *parent;
EDataFlow dataflow;
WAVEFORMATEX *fmt;
DWORD flags;
AUDCLNT_SHAREMODE share;
HANDLE event;
BOOL initted, started;
UINT64 written_frames, held_frames, tmp_buffer_frames;
UINT32 bufsize_frames, period_us;
UINT32 lcl_offs_frames; /* offs into local_buffer where valid data starts */
HANDLE timer;
BYTE *local_buffer, *tmp_buffer;
int buf_state;
CRITICAL_SECTION lock;
AudioSession *session;
AudioSessionWrapper *session_wrapper;
struct list entry;
};
enum BufferStates {
NOT_LOCKED = 0,
LOCKED_NORMAL, /* public buffer piece is from local_buffer */
LOCKED_WRAPPED /* public buffer piece is wrapped around, in tmp_buffer */
};
static HANDLE g_timer_q;
static CRITICAL_SECTION g_sessions_lock;
static struct list g_sessions = LIST_INIT(g_sessions);
static const WCHAR defaultW[] = {'d','e','f','a','u','l','t',0};
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;
int wine_snd_pcm_recover(snd_pcm_t *pcm, int err, int silent);
static AudioSessionWrapper *AudioSessionWrapper_Create(ACImpl *client);
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 ACImpl *impl_from_ISimpleAudioVolume(ISimpleAudioVolume *iface)
{
return CONTAINING_RECORD(iface, ACImpl, ISimpleAudioVolume_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);
}
BOOL WINAPI DllMain(HINSTANCE dll, DWORD reason, void *reserved)
{
if(reason == DLL_PROCESS_ATTACH){
g_timer_q = CreateTimerQueue();
if(!g_timer_q)
return FALSE;
InitializeCriticalSection(&g_sessions_lock);
}
return TRUE;
}
HRESULT WINAPI AUDDRV_GetEndpointIDs(EDataFlow flow, WCHAR ***ids, void ***keys,
UINT *num, UINT *def_index)
{
TRACE("%d %p %p %p\n", flow, ids, num, def_index);
*num = 1;
*def_index = 0;
*ids = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR *));
if(!*ids)
return E_OUTOFMEMORY;
(*ids)[0] = HeapAlloc(GetProcessHeap(), 0, sizeof(defaultW));
if(!(*ids)[0]){
HeapFree(GetProcessHeap(), 0, *ids);
return E_OUTOFMEMORY;
}
lstrcpyW((*ids)[0], defaultW);
*keys = HeapAlloc(GetProcessHeap(), 0, sizeof(void *));
(*keys)[0] = NULL;
return S_OK;
}
HRESULT WINAPI AUDDRV_GetAudioEndpoint(void *key, IMMDevice *dev,
EDataFlow dataflow, IAudioClient **out)
{
ACImpl *This;
int err;
snd_pcm_stream_t stream;
TRACE("%p %p %d %p\n", key, dev, dataflow, out);
This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ACImpl));
if(!This)
return E_OUTOFMEMORY;
This->IAudioClient_iface.lpVtbl = &AudioClient_Vtbl;
This->IAudioRenderClient_iface.lpVtbl = &AudioRenderClient_Vtbl;
This->IAudioCaptureClient_iface.lpVtbl = &AudioCaptureClient_Vtbl;
This->ISimpleAudioVolume_iface.lpVtbl = &SimpleAudioVolume_Vtbl;
This->IAudioClock_iface.lpVtbl = &AudioClock_Vtbl;
This->IAudioClock2_iface.lpVtbl = &AudioClock2_Vtbl;
if(dataflow == eRender)
stream = SND_PCM_STREAM_PLAYBACK;
else if(dataflow == eCapture)
stream = SND_PCM_STREAM_CAPTURE;
else{
HeapFree(GetProcessHeap(), 0, This);
return E_UNEXPECTED;
}
This->dataflow = dataflow;
if((err = snd_pcm_open(&This->pcm_handle, "default", stream,
SND_PCM_NONBLOCK)) < 0){
HeapFree(GetProcessHeap(), 0, This);
WARN("Unable to open PCM \"default\": %d (%s)\n", err,
snd_strerror(err));
return E_FAIL;
}
This->hw_params = HeapAlloc(GetProcessHeap(), 0,
snd_pcm_hw_params_sizeof());
if(!This->hw_params){
HeapFree(GetProcessHeap(), 0, This);
snd_pcm_close(This->pcm_handle);
return E_OUTOFMEMORY;
}
InitializeCriticalSection(&This->lock);
This->parent = dev;
IMMDevice_AddRef(This->parent);
*out = &This->IAudioClient_iface;
IAudioClient_AddRef(&This->IAudioClient_iface);
return S_OK;
}
static HRESULT WINAPI AudioClient_QueryInterface(IAudioClient *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_IAudioClient))
*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 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){
IAudioClient_Stop(iface);
IMMDevice_Release(This->parent);
DeleteCriticalSection(&This->lock);
snd_pcm_drop(This->pcm_handle);
snd_pcm_close(This->pcm_handle);
if(This->initted){
EnterCriticalSection(&g_sessions_lock);
list_remove(&This->entry);
if(list_empty(&This->session->clients)){
list_remove(&This->session->entry);
HeapFree(GetProcessHeap(), 0, This->session);
}
LeaveCriticalSection(&g_sessions_lock);
}
HeapFree(GetProcessHeap(), 0, This->local_buffer);
HeapFree(GetProcessHeap(), 0, This->hw_params);
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 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 AudioSession *create_session(const GUID *guid, EDataFlow flow)
{
AudioSession *ret;
ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AudioSession));
if(!ret)
return NULL;
memcpy(&ret->guid, guid, sizeof(GUID));
ret->dataflow = flow;
list_init(&ret->clients);
list_add_head(&g_sessions, &ret->entry);
return ret;
}
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);
snd_pcm_sw_params_t *sw_params = NULL;
snd_pcm_format_t format;
snd_pcm_uframes_t boundary;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
unsigned int time_us, rate;
int err;
HRESULT hr = S_OK;
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;
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;
}
EnterCriticalSection(&This->lock);
if(This->initted){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_ALREADY_INITIALIZED;
}
dump_fmt(fmt);
if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_set_access(This->pcm_handle, This->hw_params,
SND_PCM_ACCESS_RW_INTERLEAVED)) < 0){
WARN("Unable to set access: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
if(fmt->wBitsPerSample == 8)
format = SND_PCM_FORMAT_U8;
else if(fmt->wBitsPerSample == 16)
format = SND_PCM_FORMAT_S16_LE;
else if(fmt->wBitsPerSample == 24)
format = SND_PCM_FORMAT_S24_3LE;
else if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_S32_LE;
else{
WARN("Unsupported bit depth: %u\n", fmt->wBitsPerSample);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
if(fmt->wBitsPerSample == 32)
format = SND_PCM_FORMAT_FLOAT_LE;
else if(fmt->wBitsPerSample == 64)
format = SND_PCM_FORMAT_FLOAT64_LE;
else{
WARN("Unsupported float size: %u\n", fmt->wBitsPerSample);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
WARN("Unknown wave format: %04x\n", fmt->wFormatTag);
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
if((err = snd_pcm_hw_params_set_format(This->pcm_handle, This->hw_params,
format)) < 0){
WARN("Unable to set ALSA format to %u: %d (%s)\n", format, err,
snd_strerror(err));
hr = E_FAIL;
goto exit;
}
rate = fmt->nSamplesPerSec;
if((err = snd_pcm_hw_params_set_rate_near(This->pcm_handle, This->hw_params,
&rate, NULL)) < 0){
WARN("Unable to set rate to %u: %d (%s)\n", rate, err,
snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_set_channels(This->pcm_handle, This->hw_params,
fmt->nChannels)) < 0){
WARN("Unable to set channels to %u: %d (%s)\n", fmt->nChannels, err,
snd_strerror(err));
hr = E_FAIL;
goto exit;
}
time_us = MinimumPeriod / 10;
if((err = snd_pcm_hw_params_set_period_time_near(This->pcm_handle,
This->hw_params, &time_us, NULL)) < 0){
WARN("Unable to set max period time to %u: %d (%s)\n", time_us,
err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params(This->pcm_handle, This->hw_params)) < 0){
WARN("Unable to set hw params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
sw_params = HeapAlloc(GetProcessHeap(), 0, snd_pcm_sw_params_sizeof());
if(!sw_params){
hr = E_OUTOFMEMORY;
goto exit;
}
if((err = snd_pcm_sw_params_current(This->pcm_handle, sw_params)) < 0){
WARN("Unable to get sw_params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
This->bufsize_frames = ceil((duration / 10000000.) * fmt->nSamplesPerSec);
This->local_buffer = HeapAlloc(GetProcessHeap(), 0,
This->bufsize_frames * fmt->nBlockAlign);
if(!This->local_buffer){
hr = E_OUTOFMEMORY;
goto exit;
}
if (fmt->wBitsPerSample == 8)
memset(This->local_buffer, 128, This->bufsize_frames * fmt->nBlockAlign);
else
memset(This->local_buffer, 0, This->bufsize_frames * fmt->nBlockAlign);
if((err = snd_pcm_sw_params_get_boundary(sw_params, &boundary)) < 0){
WARN("Unable to get boundary: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params_set_start_threshold(This->pcm_handle,
sw_params, boundary)) < 0){
WARN("Unable to set start threshold to %lx: %d (%s)\n", boundary, err,
snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params_set_stop_threshold(This->pcm_handle,
sw_params, boundary)) < 0){
WARN("Unable to set stop threshold to %lx: %d (%s)\n", boundary, err,
snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params_set_avail_min(This->pcm_handle,
sw_params, 0)) < 0){
WARN("Unable to set avail min to 0: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_sw_params(This->pcm_handle, sw_params)) < 0){
WARN("Unable to set sw params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_prepare(This->pcm_handle)) < 0){
WARN("Unable to prepare device: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_get_buffer_size(This->hw_params,
&This->bufsize_alsa)) < 0){
WARN("Unable to get buffer size: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_get_period_size(This->hw_params,
&This->period_alsa, NULL)) < 0){
WARN("Unable to get period size: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_get_period_time(This->hw_params,
&This->period_us, NULL)) < 0){
WARN("Unable to get period time: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
This->fmt = clone_format(fmt);
if(!This->fmt){
hr = E_OUTOFMEMORY;
goto exit;
}
This->share = mode;
This->flags = flags;
EnterCriticalSection(&g_sessions_lock);
if(!sessionguid || IsEqualGUID(sessionguid, &GUID_NULL)){
This->session = create_session(&GUID_NULL, This->dataflow);
if(!This->session){
LeaveCriticalSection(&g_sessions_lock);
hr = E_OUTOFMEMORY;
goto exit;
}
}else{
AudioSession *session;
LIST_FOR_EACH_ENTRY(session, &g_sessions, AudioSession, entry)
if(IsEqualGUID(sessionguid, &session->guid) &&
This->dataflow == session->dataflow)
This->session = session;
if(!This->session){
This->session = create_session(sessionguid, This->dataflow);
if(!This->session){
LeaveCriticalSection(&g_sessions_lock);
hr = E_OUTOFMEMORY;
goto exit;
}
}
}
list_add_tail(&This->session->clients, &This->entry);
LeaveCriticalSection(&g_sessions_lock);
This->initted = TRUE;
exit:
HeapFree(GetProcessHeap(), 0, sw_params);
if(FAILED(hr)){
if(This->local_buffer){
HeapFree(GetProcessHeap(), 0, This->local_buffer);
This->local_buffer = NULL;
}
}
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI AudioClient_GetBufferSize(IAudioClient *iface,
UINT32 *out)
{
ACImpl *This = impl_from_IAudioClient(iface);
TRACE("(%p)->(%p)\n", This, out);
if(!out)
return E_POINTER;
EnterCriticalSection(&This->lock);
if(!This->initted){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_INITIALIZED;
}
*out = This->bufsize_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;
}
LeaveCriticalSection(&This->lock);
*latency = 500000;
return S_OK;
}
static HRESULT WINAPI AudioClient_GetCurrentPadding(IAudioClient *iface,
UINT32 *out)
{
ACImpl *This = impl_from_IAudioClient(iface);
TRACE("(%p)->(%p)\n", This, out);
if(!out)
return E_POINTER;
EnterCriticalSection(&This->lock);
if(!This->initted){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_INITIALIZED;
}
if(This->dataflow == eRender){
snd_pcm_sframes_t avail_frames;
avail_frames = snd_pcm_avail_update(This->pcm_handle);
if(This->bufsize_alsa < avail_frames){
WARN("Xrun detected\n");
*out = This->held_frames;
}else
*out = This->bufsize_alsa - avail_frames + This->held_frames;
}else if(This->dataflow == eCapture){
*out = This->held_frames;
}else{
LeaveCriticalSection(&This->lock);
return E_UNEXPECTED;
}
LeaveCriticalSection(&This->lock);
return S_OK;
}
static DWORD get_channel_mask(unsigned int channels)
{
switch(channels){
case 0:
return 0;
case 1:
return SPEAKER_FRONT_CENTER;
case 2:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
case 3:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
SPEAKER_LOW_FREQUENCY;
case 4:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
case 5:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY;
case 6:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER;
case 7:
return SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT | SPEAKER_LOW_FREQUENCY | SPEAKER_FRONT_CENTER |
SPEAKER_BACK_CENTER;
}
FIXME("Unknown speaker configuration: %u\n", channels);
return 0;
}
static HRESULT WINAPI AudioClient_IsFormatSupported(IAudioClient *iface,
AUDCLNT_SHAREMODE mode, const WAVEFORMATEX *fmt,
WAVEFORMATEX **out)
{
ACImpl *This = impl_from_IAudioClient(iface);
snd_pcm_format_mask_t *formats = NULL;
HRESULT hr = S_OK;
WAVEFORMATEX *closest = NULL;
const WAVEFORMATEXTENSIBLE *fmtex = (const WAVEFORMATEXTENSIBLE *)fmt;
unsigned int max = 0, min = 0;
int err;
TRACE("(%p)->(%x, %p, %p)\n", This, mode, fmt, out);
if(!fmt || (mode == AUDCLNT_SHAREMODE_SHARED && !out))
return E_POINTER;
if(mode != AUDCLNT_SHAREMODE_SHARED && mode != AUDCLNT_SHAREMODE_EXCLUSIVE)
return E_INVALIDARG;
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
fmt->cbSize < sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX))
return E_INVALIDARG;
dump_fmt(fmt);
EnterCriticalSection(&This->lock);
if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
hr = E_FAIL;
goto exit;
}
formats = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
snd_pcm_format_mask_sizeof());
if(!formats){
hr = E_OUTOFMEMORY;
goto exit;
}
snd_pcm_hw_params_get_format_mask(This->hw_params, formats);
if(fmt->wFormatTag == WAVE_FORMAT_PCM ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))){
switch(fmt->wBitsPerSample){
case 8:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 16:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 24:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else if(fmt->wFormatTag == WAVE_FORMAT_IEEE_FLOAT ||
(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
IsEqualGUID(&fmtex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))){
switch(fmt->wBitsPerSample){
case 32:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
case 64:
if(!snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT64_LE)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
break;
default:
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
}else{
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
closest = clone_format(fmt);
if(!closest){
hr = E_OUTOFMEMORY;
goto exit;
}
if((err = snd_pcm_hw_params_get_rate_min(This->hw_params, &min, NULL)) < 0){
hr = E_FAIL;
WARN("Unable to get min rate: %d (%s)\n", err, snd_strerror(err));
goto exit;
}
if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max, NULL)) < 0){
hr = E_FAIL;
WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
goto exit;
}
if(fmt->nSamplesPerSec < min || fmt->nSamplesPerSec > max ||
(fmt->nSamplesPerSec != 48000 &&
fmt->nSamplesPerSec != 44100 &&
fmt->nSamplesPerSec != 22050 &&
fmt->nSamplesPerSec != 11025 &&
fmt->nSamplesPerSec != 8000)){
hr = AUDCLNT_E_UNSUPPORTED_FORMAT;
goto exit;
}
if((err = snd_pcm_hw_params_get_channels_min(This->hw_params, &min)) < 0){
hr = E_FAIL;
WARN("Unable to get min channels: %d (%s)\n", err, snd_strerror(err));
goto exit;
}
if((err = snd_pcm_hw_params_get_channels_max(This->hw_params, &max)) < 0){
hr = E_FAIL;
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
goto exit;
}
if(max > 7)
max = 2;
if(fmt->nChannels > max){
hr = S_FALSE;
closest->nChannels = max;
}else if(fmt->nChannels < min){
hr = S_FALSE;
closest->nChannels = min;
}
if(closest->wFormatTag == WAVE_FORMAT_EXTENSIBLE){
DWORD mask = get_channel_mask(closest->nChannels);
((WAVEFORMATEXTENSIBLE*)closest)->dwChannelMask = mask;
if(fmt->wFormatTag == WAVE_FORMAT_EXTENSIBLE &&
fmtex->dwChannelMask != mask)
hr = S_FALSE;
}
exit:
LeaveCriticalSection(&This->lock);
HeapFree(GetProcessHeap(), 0, formats);
if(hr == S_OK || !out){
CoTaskMemFree(closest);
if(out)
*out = NULL;
}else if(closest){
closest->nBlockAlign =
closest->nChannels * closest->wBitsPerSample / 8;
closest->nAvgBytesPerSec =
closest->nBlockAlign * closest->nSamplesPerSec;
*out = closest;
}
TRACE("returning: %08x\n", hr);
return hr;
}
static HRESULT WINAPI AudioClient_GetMixFormat(IAudioClient *iface,
WAVEFORMATEX **pwfx)
{
ACImpl *This = impl_from_IAudioClient(iface);
WAVEFORMATEXTENSIBLE *fmt;
snd_pcm_format_mask_t *formats;
unsigned int max_rate, max_channels;
int err;
HRESULT hr = S_OK;
TRACE("(%p)->(%p)\n", This, pwfx);
if(!pwfx)
return E_POINTER;
*pwfx = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEFORMATEXTENSIBLE));
if(!*pwfx)
return E_OUTOFMEMORY;
fmt = (WAVEFORMATEXTENSIBLE*)*pwfx;
formats = HeapAlloc(GetProcessHeap(), 0, snd_pcm_format_mask_sizeof());
if(!formats){
HeapFree(GetProcessHeap(), 0, *pwfx);
return E_OUTOFMEMORY;
}
EnterCriticalSection(&This->lock);
if((err = snd_pcm_hw_params_any(This->pcm_handle, This->hw_params)) < 0){
WARN("Unable to get hw_params: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
snd_pcm_hw_params_get_format_mask(This->hw_params, formats);
fmt->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_FLOAT_LE)){
fmt->Format.wBitsPerSample = 32;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S16_LE)){
fmt->Format.wBitsPerSample = 16;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_U8)){
fmt->Format.wBitsPerSample = 8;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S32_LE)){
fmt->Format.wBitsPerSample = 32;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}else if(snd_pcm_format_mask_test(formats, SND_PCM_FORMAT_S24_3LE)){
fmt->Format.wBitsPerSample = 24;
fmt->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}else{
ERR("Didn't recognize any available ALSA formats\n");
hr = E_FAIL;
goto exit;
}
if((err = snd_pcm_hw_params_get_channels_max(This->hw_params,
&max_channels)) < 0){
WARN("Unable to get max channels: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if(max_channels > 2){
FIXME("Don't know what to do with %u channels, pretending there's "
"only 2 channels\n", max_channels);
fmt->Format.nChannels = 2;
}else
fmt->Format.nChannels = max_channels;
fmt->dwChannelMask = get_channel_mask(fmt->Format.nChannels);
if((err = snd_pcm_hw_params_get_rate_max(This->hw_params, &max_rate,
NULL)) < 0){
WARN("Unable to get max rate: %d (%s)\n", err, snd_strerror(err));
hr = E_FAIL;
goto exit;
}
if(max_rate >= 48000)
fmt->Format.nSamplesPerSec = 48000;
else if(max_rate >= 44100)
fmt->Format.nSamplesPerSec = 44100;
else if(max_rate >= 22050)
fmt->Format.nSamplesPerSec = 22050;
else if(max_rate >= 11025)
fmt->Format.nSamplesPerSec = 11025;
else if(max_rate >= 8000)
fmt->Format.nSamplesPerSec = 8000;
else{
ERR("Unknown max rate: %u\n", max_rate);
hr = E_FAIL;
goto exit;
}
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->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
dump_fmt((WAVEFORMATEX*)fmt);
exit:
LeaveCriticalSection(&This->lock);
if(FAILED(hr))
HeapFree(GetProcessHeap(), 0, *pwfx);
HeapFree(GetProcessHeap(), 0, formats);
return hr;
}
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 snd_pcm_sframes_t alsa_write_best_effort(snd_pcm_t *handle, BYTE *buf,
snd_pcm_uframes_t frames)
{
snd_pcm_sframes_t written;
written = snd_pcm_writei(handle, buf, frames);
if(written < 0){
int ret;
if(written == -EAGAIN)
/* buffer full */
return 0;
WARN("writei failed, recovering: %ld (%s)\n", written,
snd_strerror(written));
ret = wine_snd_pcm_recover(handle, written, 0);
if(ret < 0){
WARN("Could not recover: %d (%s)\n", ret, snd_strerror(ret));
return ret;
}
written = snd_pcm_writei(handle, buf, frames);
}
return written;
}
static void alsa_write_data(ACImpl *This)
{
snd_pcm_sframes_t written;
snd_pcm_uframes_t to_write;
BYTE *buf =
This->local_buffer + (This->lcl_offs_frames * This->fmt->nBlockAlign);
if(This->lcl_offs_frames + This->held_frames > This->bufsize_frames)
to_write = This->bufsize_frames - This->lcl_offs_frames;
else
to_write = This->held_frames;
written = alsa_write_best_effort(This->pcm_handle, buf, to_write);
if(written < 0){
WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
return;
}
This->lcl_offs_frames += written;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames -= written;
if(written < to_write){
/* ALSA buffer probably full */
return;
}
if(This->held_frames){
/* wrapped and have some data back at the start to write */
written = alsa_write_best_effort(This->pcm_handle, This->local_buffer,
This->held_frames);
if(written < 0){
WARN("Couldn't write: %ld (%s)\n", written, snd_strerror(written));
return;
}
This->lcl_offs_frames += written;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames -= written;
}
}
static void alsa_read_data(ACImpl *This)
{
snd_pcm_sframes_t pos, readable, nread;
pos = (This->held_frames + This->lcl_offs_frames) % This->bufsize_frames;
readable = This->bufsize_frames - pos;
nread = snd_pcm_readi(This->pcm_handle,
This->local_buffer + pos * This->fmt->nBlockAlign, readable);
if(nread < 0){
int ret;
WARN("read failed, recovering: %ld (%s)\n", nread, snd_strerror(nread));
ret = wine_snd_pcm_recover(This->pcm_handle, nread, 0);
if(ret < 0){
WARN("Recover failed: %d (%s)\n", ret, snd_strerror(ret));
return;
}
nread = snd_pcm_readi(This->pcm_handle,
This->local_buffer + pos * This->fmt->nBlockAlign, readable);
if(nread < 0){
WARN("read failed: %ld (%s)\n", nread, snd_strerror(nread));
return;
}
}
This->held_frames += nread;
if(This->held_frames > This->bufsize_frames){
WARN("Overflow of unread data\n");
This->lcl_offs_frames += This->held_frames;
This->lcl_offs_frames %= This->bufsize_frames;
This->held_frames = This->bufsize_frames;
}
}
static void CALLBACK alsa_push_buffer_data(void *user, BOOLEAN timer)
{
ACImpl *This = user;
EnterCriticalSection(&This->lock);
if(This->dataflow == eRender && This->held_frames)
alsa_write_data(This);
else if(This->dataflow == eCapture)
alsa_read_data(This);
if(This->event)
SetEvent(This->event);
LeaveCriticalSection(&This->lock);
}
static HRESULT alsa_consider_start(ACImpl *This)
{
snd_pcm_sframes_t avail;
int err;
avail = snd_pcm_avail_update(This->pcm_handle);
if(avail < 0){
WARN("Unable to get avail_update: %ld (%s)\n", avail,
snd_strerror(avail));
return E_FAIL;
}
if(This->period_alsa < This->bufsize_alsa - avail){
if((err = snd_pcm_start(This->pcm_handle)) < 0){
WARN("Start failed: %d (%s), state: %d\n", err, snd_strerror(err),
snd_pcm_state(This->pcm_handle));
return E_FAIL;
}
return S_OK;
}
return S_FALSE;
}
static HRESULT WINAPI AudioClient_Start(IAudioClient *iface)
{
ACImpl *This = impl_from_IAudioClient(iface);
DWORD period_ms;
HRESULT hr;
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->started){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_STOPPED;
}
hr = alsa_consider_start(This);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
period_ms = This->period_us / 1000;
if(!period_ms)
period_ms = 10;
if(This->dataflow == eCapture){
/* dump any data that might be leftover in the ALSA capture buffer */
snd_pcm_readi(This->pcm_handle, This->local_buffer,
This->bufsize_frames);
}
if(!CreateTimerQueueTimer(&This->timer, g_timer_q, alsa_push_buffer_data,
This, 0, period_ms, WT_EXECUTEINTIMERTHREAD)){
LeaveCriticalSection(&This->lock);
WARN("Unable to create timer: %u\n", GetLastError());
return E_FAIL;
}
This->started = TRUE;
LeaveCriticalSection(&This->lock);
return S_OK;
}
static HRESULT WINAPI AudioClient_Stop(IAudioClient *iface)
{
ACImpl *This = impl_from_IAudioClient(iface);
int err;
TRACE("(%p)\n", This);
EnterCriticalSection(&This->lock);
if(!This->initted){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_INITIALIZED;
}
if(!This->started){
LeaveCriticalSection(&This->lock);
return S_FALSE;
}
DeleteTimerQueueTimer(g_timer_q, This->timer, INVALID_HANDLE_VALUE);
if((err = snd_pcm_drop(This->pcm_handle)) < 0){
LeaveCriticalSection(&This->lock);
WARN("Drop failed: %d (%s)\n", err, snd_strerror(err));
return E_FAIL;
}
if((err = snd_pcm_prepare(This->pcm_handle)) < 0){
LeaveCriticalSection(&This->lock);
WARN("Prepare failed: %d (%s)\n", err, snd_strerror(err));
return E_FAIL;
}
This->started = FALSE;
LeaveCriticalSection(&This->lock);
return S_OK;
}
static HRESULT WINAPI AudioClient_Reset(IAudioClient *iface)
{
ACImpl *This = impl_from_IAudioClient(iface);
TRACE("(%p)\n", This);
EnterCriticalSection(&This->lock);
if(!This->initted){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_INITIALIZED;
}
if(This->started){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_NOT_STOPPED;
}
This->held_frames = 0;
This->written_frames = 0;
This->lcl_offs_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;
}
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;
}
*ppv = &This->IAudioRenderClient_iface;
}else if(IsEqualIID(riid, &IID_IAudioCaptureClient)){
if(This->dataflow != eCapture){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
}
*ppv = &This->IAudioCaptureClient_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;
}
}
*ppv = &This->session_wrapper->IAudioSessionControl2_iface;
}else if(IsEqualIID(riid, &IID_ISimpleAudioVolume)){
*ppv = &This->ISimpleAudioVolume_iface;
}else if(IsEqualIID(riid, &IID_IAudioClock)){
*ppv = &This->IAudioClock_iface;
}
if(*ppv){
IUnknown_AddRef((IUnknown*)*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)
{
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;
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;
UINT32 pad;
HRESULT hr;
TRACE("(%p)->(%u, %p)\n", This, frames, data);
if(!data)
return E_POINTER;
EnterCriticalSection(&This->lock);
if(This->buf_state != NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
if(!frames){
This->buf_state = LOCKED_NORMAL;
LeaveCriticalSection(&This->lock);
return S_OK;
}
hr = IAudioClient_GetCurrentPadding(&This->IAudioClient_iface, &pad);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
if(pad + 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){
if(This->tmp_buffer)
This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
This->tmp_buffer, frames * This->fmt->nBlockAlign);
else
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;
This->buf_state = LOCKED_WRAPPED;
}else{
*data = This->local_buffer +
This->lcl_offs_frames * This->fmt->nBlockAlign;
This->buf_state = LOCKED_NORMAL;
}
LeaveCriticalSection(&This->lock);
return S_OK;
}
static void alsa_wrap_buffer(ACImpl *This, BYTE *buffer, UINT32 written_bytes)
{
snd_pcm_uframes_t write_offs_frames =
(This->lcl_offs_frames + This->held_frames) % This->bufsize_frames;
UINT32 write_offs_bytes = write_offs_frames * This->fmt->nBlockAlign;
snd_pcm_uframes_t chunk_frames = This->bufsize_frames - write_offs_frames;
UINT32 chunk_bytes = chunk_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);
UINT32 written_bytes = written_frames * This->fmt->nBlockAlign;
BYTE *buffer;
HRESULT hr;
TRACE("(%p)->(%u, %x)\n", This, written_frames, flags);
EnterCriticalSection(&This->lock);
if(This->buf_state == NOT_LOCKED || !written_frames){
This->buf_state = NOT_LOCKED;
LeaveCriticalSection(&This->lock);
return written_frames ? AUDCLNT_E_OUT_OF_ORDER : S_OK;
}
if(This->buf_state == LOCKED_NORMAL)
buffer = This->local_buffer +
This->lcl_offs_frames * This->fmt->nBlockAlign;
else
buffer = This->tmp_buffer;
if(flags & AUDCLNT_BUFFERFLAGS_SILENT){
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, written_frames * This->fmt->nBlockAlign);
else
memset(buffer, 0, written_frames * This->fmt->nBlockAlign);
}
if(This->held_frames){
if(This->buf_state == LOCKED_WRAPPED)
alsa_wrap_buffer(This, buffer, written_bytes);
This->held_frames += written_frames;
}else{
snd_pcm_sframes_t written;
written = alsa_write_best_effort(This->pcm_handle, buffer,
written_frames);
if(written < 0){
LeaveCriticalSection(&This->lock);
WARN("write failed: %ld (%s)\n", written, snd_strerror(written));
return E_FAIL;
}
if(written < written_frames){
if(This->buf_state == LOCKED_WRAPPED)
alsa_wrap_buffer(This,
This->tmp_buffer + written * This->fmt->nBlockAlign,
written_frames - written);
This->held_frames = written_frames - written;
}
}
if(This->started &&
snd_pcm_state(This->pcm_handle) == SND_PCM_STATE_PREPARED){
hr = alsa_consider_start(This);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
}
This->written_frames += written_frames;
This->buf_state = NOT_LOCKED;
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)
{
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;
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);
HRESULT hr;
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->buf_state != NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
hr = IAudioCaptureClient_GetNextPacketSize(iface, frames);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
*flags = 0;
if(This->lcl_offs_frames + *frames > This->bufsize_frames){
UINT32 chunk_bytes, offs_bytes, frames_bytes;
if(This->tmp_buffer_frames < *frames){
if(This->tmp_buffer)
This->tmp_buffer = HeapReAlloc(GetProcessHeap(), 0,
This->tmp_buffer, *frames * This->fmt->nBlockAlign);
else
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;
This->buf_state = LOCKED_NORMAL;
if(devpos || qpcpos)
IAudioClock_GetPosition(&This->IAudioClock_iface, devpos, qpcpos);
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(This->buf_state == NOT_LOCKED){
LeaveCriticalSection(&This->lock);
return AUDCLNT_E_OUT_OF_ORDER;
}
This->held_frames -= done;
This->lcl_offs_frames += done;
This->lcl_offs_frames %= This->bufsize_frames;
This->buf_state = NOT_LOCKED;
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);
return AudioClient_GetCurrentPadding(&This->IAudioClient_iface, frames);
}
static const IAudioCaptureClientVtbl AudioCaptureClient_Vtbl =
{
AudioCaptureClient_QueryInterface,
AudioCaptureClient_AddRef,
AudioCaptureClient_Release,
AudioCaptureClient_GetBuffer,
AudioCaptureClient_ReleaseBuffer,
AudioCaptureClient_GetNextPacketSize
};
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->client = 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){
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->started){
*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, 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)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
return IAudioClient_AddRef(&This->IAudioClient_iface);
}
static ULONG WINAPI SimpleAudioVolume_Release(ISimpleAudioVolume *iface)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
return IAudioClient_Release(&This->IAudioClient_iface);
}
static HRESULT WINAPI SimpleAudioVolume_SetMasterVolume(
ISimpleAudioVolume *iface, float level, const GUID *context)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
FIXME("(%p)->(%f, %p) - stub\n", This, level, context);
return E_NOTIMPL;
}
static HRESULT WINAPI SimpleAudioVolume_GetMasterVolume(
ISimpleAudioVolume *iface, float *level)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
FIXME("(%p)->(%p) - stub\n", This, level);
return E_NOTIMPL;
}
static HRESULT WINAPI SimpleAudioVolume_SetMute(ISimpleAudioVolume *iface,
BOOL mute, const GUID *context)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
FIXME("(%p)->(%u, %p) - stub\n", This, mute, context);
return E_NOTIMPL;
}
static HRESULT WINAPI SimpleAudioVolume_GetMute(ISimpleAudioVolume *iface,
BOOL *mute)
{
ACImpl *This = impl_from_ISimpleAudioVolume(iface);
FIXME("(%p)->(%p) - stub\n", This, mute);
return E_NOTIMPL;
}
static const ISimpleAudioVolumeVtbl SimpleAudioVolume_Vtbl =
{
SimpleAudioVolume_QueryInterface,
SimpleAudioVolume_AddRef,
SimpleAudioVolume_Release,
SimpleAudioVolume_SetMasterVolume,
SimpleAudioVolume_GetMasterVolume,
SimpleAudioVolume_SetMute,
SimpleAudioVolume_GetMute
};
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);
*freq = This->fmt->nSamplesPerSec;
return S_OK;
}
static HRESULT WINAPI AudioClock_GetPosition(IAudioClock *iface, UINT64 *pos,
UINT64 *qpctime)
{
ACImpl *This = impl_from_IAudioClock(iface);
UINT32 pad;
HRESULT hr;
TRACE("(%p)->(%p, %p)\n", This, pos, qpctime);
if(!pos)
return E_POINTER;
EnterCriticalSection(&This->lock);
hr = IAudioClient_GetCurrentPadding(&This->IAudioClient_iface, &pad);
if(FAILED(hr)){
LeaveCriticalSection(&This->lock);
return hr;
}
if(This->dataflow == eRender)
*pos = This->written_frames - pad;
else if(This->dataflow == eCapture)
*pos = This->written_frames + pad;
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
};
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