dsoundrender.c File Reference

#include "config.h"
#include "quartz_private.h"
#include "pin.h"
#include "uuids.h"
#include "vfwmsgs.h"
#include "windef.h"
#include "winbase.h"
#include "dshow.h"
#include "evcode.h"
#include "strmif.h"
#include "dsound.h"
#include "amaudio.h"
#include "wine/unicode.h"
#include "wine/debug.h"

Include dependency graph for dsoundrender.c:

Go to the source code of this file.

Classes
struct	DSoundRenderImpl
struct	dsoundrender_timer

Typedefs
typedef struct DSoundRenderImpl	DSoundRenderImpl

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (quartz)
static DSoundRenderImpl *	impl_from_BaseRenderer (BaseRenderer *iface)
static DSoundRenderImpl *	impl_from_IBaseFilter (IBaseFilter *iface)
static DSoundRenderImpl *	impl_from_IBasicAudio (IBasicAudio *iface)
static DSoundRenderImpl *	impl_from_IReferenceClock (IReferenceClock *iface)
static DSoundRenderImpl *	impl_from_IAMDirectSound (IAMDirectSound *iface)
static DSoundRenderImpl *	impl_from_IAMFilterMiscFlags (IAMFilterMiscFlags *iface)
static REFERENCE_TIME	time_from_pos (DSoundRenderImpl *This, DWORD pos)
static DWORD	pos_from_time (DSoundRenderImpl *This, REFERENCE_TIME time)
static void	DSoundRender_UpdatePositions (DSoundRenderImpl *This, DWORD *seqwritepos, DWORD *minwritepos)
static HRESULT	DSoundRender_GetWritePos (DSoundRenderImpl *This, DWORD *ret_writepos, REFERENCE_TIME write_at, DWORD *pfree, DWORD *skip)
static HRESULT	DSoundRender_HandleEndOfStream (DSoundRenderImpl *This)
static HRESULT	DSoundRender_SendSampleData (DSoundRenderImpl *This, REFERENCE_TIME tStart, REFERENCE_TIME tStop, const BYTE *data, DWORD size)
static HRESULT WINAPI	DSoundRender_ShouldDrawSampleNow (BaseRenderer *This, IMediaSample *pMediaSample, REFERENCE_TIME *pStartTime, REFERENCE_TIME *pEndTime)
static HRESULT WINAPI	DSoundRender_PrepareReceive (BaseRenderer *iface, IMediaSample *pSample)
static HRESULT WINAPI	DSoundRender_DoRenderSample (BaseRenderer *iface, IMediaSample *pSample)
static HRESULT WINAPI	DSoundRender_CheckMediaType (BaseRenderer *iface, const AM_MEDIA_TYPE *pmt)
static VOID WINAPI	DSoundRender_OnStopStreaming (BaseRenderer *iface)
static VOID WINAPI	DSoundRender_OnStartStreaming (BaseRenderer *iface)
static HRESULT WINAPI	DSoundRender_CompleteConnect (BaseRenderer *iface, IPin *pReceivePin)
static HRESULT WINAPI	DSoundRender_BreakConnect (BaseRenderer *iface)
static HRESULT WINAPI	DSoundRender_EndOfStream (BaseRenderer *iface)
static HRESULT WINAPI	DSoundRender_BeginFlush (BaseRenderer *iface)
static HRESULT WINAPI	DSoundRender_EndFlush (BaseRenderer *iface)
HRESULT	DSoundRender_create (IUnknown *pUnkOuter, LPVOID *ppv)
static HRESULT WINAPI	DSoundRender_QueryInterface (IBaseFilter *iface, REFIID riid, LPVOID *ppv)
static ULONG WINAPI	DSoundRender_Release (IBaseFilter *iface)
static HRESULT WINAPI	DSoundRender_Pause (IBaseFilter *iface)
static HRESULT WINAPI	Basicaudio_QueryInterface (IBasicAudio *iface, REFIID riid, LPVOID *ppvObj)
static ULONG WINAPI	Basicaudio_AddRef (IBasicAudio *iface)
static ULONG WINAPI	Basicaudio_Release (IBasicAudio *iface)
static HRESULT WINAPI	Basicaudio_put_Volume (IBasicAudio *iface, LONG lVolume)
static HRESULT WINAPI	Basicaudio_get_Volume (IBasicAudio *iface, LONG *plVolume)
static HRESULT WINAPI	Basicaudio_put_Balance (IBasicAudio *iface, LONG lBalance)
static HRESULT WINAPI	Basicaudio_get_Balance (IBasicAudio *iface, LONG *plBalance)
static DWORD WINAPI	DSoundAdviseThread (LPVOID lpParam)
static HRESULT WINAPI	ReferenceClock_QueryInterface (IReferenceClock *iface, REFIID riid, LPVOID *ppvObj)
static ULONG WINAPI	ReferenceClock_AddRef (IReferenceClock *iface)
static ULONG WINAPI	ReferenceClock_Release (IReferenceClock *iface)
static HRESULT WINAPI	ReferenceClock_GetTime (IReferenceClock *iface, REFERENCE_TIME *pTime)
static HRESULT WINAPI	ReferenceClock_AdviseTime (IReferenceClock *iface, REFERENCE_TIME rtBaseTime, REFERENCE_TIME rtStreamTime, HEVENT hEvent, DWORD_PTR *pdwAdviseCookie)
static HRESULT WINAPI	ReferenceClock_AdvisePeriodic (IReferenceClock *iface, REFERENCE_TIME rtStartTime, REFERENCE_TIME rtPeriodTime, HSEMAPHORE hSemaphore, DWORD_PTR *pdwAdviseCookie)
static HRESULT WINAPI	ReferenceClock_Unadvise (IReferenceClock *iface, DWORD_PTR dwAdviseCookie)
static HRESULT WINAPI	AMDirectSound_QueryInterface (IAMDirectSound *iface, REFIID riid, LPVOID *ppvObj)
static ULONG WINAPI	AMDirectSound_AddRef (IAMDirectSound *iface)
static ULONG WINAPI	AMDirectSound_Release (IAMDirectSound *iface)
static HRESULT WINAPI	AMDirectSound_GetDirectSoundInterface (IAMDirectSound *iface, IDirectSound **ds)
static HRESULT WINAPI	AMDirectSound_GetPrimaryBufferInterface (IAMDirectSound *iface, IDirectSoundBuffer **buf)
static HRESULT WINAPI	AMDirectSound_GetSecondaryBufferInterface (IAMDirectSound *iface, IDirectSoundBuffer **buf)
static HRESULT WINAPI	AMDirectSound_ReleaseDirectSoundInterface (IAMDirectSound *iface, IDirectSound *ds)
static HRESULT WINAPI	AMDirectSound_ReleasePrimaryBufferInterface (IAMDirectSound *iface, IDirectSoundBuffer *buf)
static HRESULT WINAPI	AMDirectSound_ReleaseSecondaryBufferInterface (IAMDirectSound *iface, IDirectSoundBuffer *buf)
static HRESULT WINAPI	AMDirectSound_SetFocusWindow (IAMDirectSound *iface, HWND hwnd, BOOL bgaudible)
static HRESULT WINAPI	AMDirectSound_GetFocusWindow (IAMDirectSound *iface, HWND *hwnd, BOOL *bgaudible)
static HRESULT WINAPI	AMFilterMiscFlags_QueryInterface (IAMFilterMiscFlags *iface, REFIID riid, void **ppv)
static ULONG WINAPI	AMFilterMiscFlags_AddRef (IAMFilterMiscFlags *iface)
static ULONG WINAPI	AMFilterMiscFlags_Release (IAMFilterMiscFlags *iface)
static ULONG WINAPI	AMFilterMiscFlags_GetMiscFlags (IAMFilterMiscFlags *iface)

Variables
static const REFERENCE_TIME	DSoundRenderer_Max_Fill = 150 * 10000
static const IBaseFilterVtbl	DSoundRender_Vtbl
static const IBasicAudioVtbl	IBasicAudio_Vtbl
static const IReferenceClockVtbl	IReferenceClock_Vtbl
static const IAMDirectSoundVtbl	IAMDirectSound_Vtbl
static const IAMFilterMiscFlagsVtbl	IAMFilterMiscFlags_Vtbl
static const BaseRendererFuncTable	BaseFuncTable
static LONG	cookie_counter = 1

Typedef Documentation

DSoundRenderImpl

typedef struct DSoundRenderImpl DSoundRenderImpl

Function Documentation

AMDirectSound_AddRef()

static ULONG WINAPI AMDirectSound_AddRef ( IAMDirectSound *  iface )

static

Definition at line 1176 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return BaseFilterImpl_AddRef(&This->renderer.filter.IBaseFilter_iface);
}

AMDirectSound_GetDirectSoundInterface()

static HRESULT WINAPI AMDirectSound_GetDirectSoundInterface ( IAMDirectSound *  iface, IDirectSound **  ds  )

static

Definition at line 1195 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, ds);
 
    return E_NOTIMPL;
}

AMDirectSound_GetFocusWindow()

static HRESULT WINAPI AMDirectSound_GetFocusWindow ( IAMDirectSound *  iface, HWND *  hwnd, BOOL *  bgaudible  )

static

Definition at line 1258 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p,%p): stub\n", This, iface, hwnd, bgaudible);
 
    return E_NOTIMPL;
}

AMDirectSound_GetPrimaryBufferInterface()

static HRESULT WINAPI AMDirectSound_GetPrimaryBufferInterface ( IAMDirectSound *  iface, IDirectSoundBuffer **  buf  )

static

Definition at line 1204 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
 
    return E_NOTIMPL;
}

AMDirectSound_GetSecondaryBufferInterface()

static HRESULT WINAPI AMDirectSound_GetSecondaryBufferInterface ( IAMDirectSound *  iface, IDirectSoundBuffer **  buf  )

static

Definition at line 1213 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
 
    return E_NOTIMPL;
}

AMDirectSound_QueryInterface()

static HRESULT WINAPI AMDirectSound_QueryInterface ( IAMDirectSound *  iface, REFIID  riid, LPVOID *  ppvObj  )

static

Definition at line 1165 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppvObj);
 
    return DSoundRender_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppvObj);
}

AMDirectSound_Release()

static ULONG WINAPI AMDirectSound_Release ( IAMDirectSound *  iface )

static

Definition at line 1185 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return DSoundRender_Release(&This->renderer.filter.IBaseFilter_iface);
}

AMDirectSound_ReleaseDirectSoundInterface()

static HRESULT WINAPI AMDirectSound_ReleaseDirectSoundInterface ( IAMDirectSound *  iface, IDirectSound *  ds  )

static

Definition at line 1222 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, ds);
 
    return E_NOTIMPL;
}

AMDirectSound_ReleasePrimaryBufferInterface()

static HRESULT WINAPI AMDirectSound_ReleasePrimaryBufferInterface ( IAMDirectSound *  iface, IDirectSoundBuffer *  buf  )

static

Definition at line 1231 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
 
    return E_NOTIMPL;
}

AMDirectSound_ReleaseSecondaryBufferInterface()

static HRESULT WINAPI AMDirectSound_ReleaseSecondaryBufferInterface ( IAMDirectSound *  iface, IDirectSoundBuffer *  buf  )

static

Definition at line 1240 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p): stub\n", This, iface, buf);
 
    return E_NOTIMPL;
}

AMDirectSound_SetFocusWindow()

static HRESULT WINAPI AMDirectSound_SetFocusWindow ( IAMDirectSound *  iface, HWND  hwnd, BOOL  bgaudible  )

static

Definition at line 1249 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IAMDirectSound(iface);
 
    FIXME("(%p/%p)->(%p,%d): stub\n", This, iface, hwnd, bgaudible);
 
    return E_NOTIMPL;
}

AMFilterMiscFlags_AddRef()

static ULONG WINAPI AMFilterMiscFlags_AddRef ( IAMFilterMiscFlags *  iface )

static

Definition at line 1287 of file dsoundrender.c.

                                                                        {
    DSoundRenderImpl *This = impl_from_IAMFilterMiscFlags(iface);
    return IBaseFilter_AddRef(&This->renderer.filter.IBaseFilter_iface);
}

AMFilterMiscFlags_GetMiscFlags()

static ULONG WINAPI AMFilterMiscFlags_GetMiscFlags ( IAMFilterMiscFlags *  iface )

static

Definition at line 1297 of file dsoundrender.c.

                                                                              {
    return AM_FILTER_MISC_FLAGS_IS_RENDERER;
}

AMFilterMiscFlags_QueryInterface()

static HRESULT WINAPI AMFilterMiscFlags_QueryInterface ( IAMFilterMiscFlags *  iface, REFIID  riid, void **  ppv  )

static

Definition at line 1282 of file dsoundrender.c.

                                                                                                           {
    DSoundRenderImpl *This = impl_from_IAMFilterMiscFlags(iface);
    return IBaseFilter_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppv);
}

AMFilterMiscFlags_Release()

static ULONG WINAPI AMFilterMiscFlags_Release ( IAMFilterMiscFlags *  iface )

static

Definition at line 1292 of file dsoundrender.c.

                                                                         {
    DSoundRenderImpl *This = impl_from_IAMFilterMiscFlags(iface);
    return IBaseFilter_Release(&This->renderer.filter.IBaseFilter_iface);
}

Basicaudio_AddRef()

static ULONG WINAPI Basicaudio_AddRef ( IBasicAudio *  iface )

static

Definition at line 814 of file dsoundrender.c.

                                                          {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return BaseFilterImpl_AddRef(&This->renderer.filter.IBaseFilter_iface);
}

Basicaudio_get_Balance()

static HRESULT WINAPI Basicaudio_get_Balance ( IBasicAudio *  iface, LONG *  plBalance  )

static

Definition at line 880 of file dsoundrender.c.

                                                              {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->(%p)\n", This, iface, plBalance);
 
    if (!plBalance)
        return E_POINTER;
 
    *plBalance = This->pan;
    return S_OK;
}

Basicaudio_get_Volume()

static HRESULT WINAPI Basicaudio_get_Volume ( IBasicAudio *  iface, LONG *  plVolume  )

static

Definition at line 849 of file dsoundrender.c.

                                                            {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->(%p)\n", This, iface, plVolume);
 
    if (!plVolume)
        return E_POINTER;
 
    *plVolume = This->volume;
    return S_OK;
}

Basicaudio_put_Balance()

static HRESULT WINAPI Basicaudio_put_Balance ( IBasicAudio *  iface, LONG  lBalance  )

static

Definition at line 862 of file dsoundrender.c.

                                                            {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->(%d)\n", This, iface, lBalance);
 
    if (lBalance < DSBPAN_LEFT || lBalance > DSBPAN_RIGHT)
        return E_INVALIDARG;
 
    if (This->dsbuffer) {
        if (FAILED(IDirectSoundBuffer_SetPan(This->dsbuffer, lBalance)))
            return E_FAIL;
    }
 
    This->pan = lBalance;
    return S_OK;
}

Basicaudio_put_Volume()

static HRESULT WINAPI Basicaudio_put_Volume ( IBasicAudio *  iface, LONG  lVolume  )

static

Definition at line 831 of file dsoundrender.c.

                                                          {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->(%d)\n", This, iface, lVolume);
 
    if (lVolume > DSBVOLUME_MAX || lVolume < DSBVOLUME_MIN)
        return E_INVALIDARG;
 
    if (This->dsbuffer) {
        if (FAILED(IDirectSoundBuffer_SetVolume(This->dsbuffer, lVolume)))
            return E_FAIL;
    }
 
    This->volume = lVolume;
    return S_OK;
}

Basicaudio_QueryInterface()

static HRESULT WINAPI Basicaudio_QueryInterface ( IBasicAudio *  iface, REFIID  riid, LPVOID *  ppvObj  )

static

Definition at line 804 of file dsoundrender.c.

                                       {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppvObj);
 
    return DSoundRender_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppvObj);
}

Basicaudio_Release()

static ULONG WINAPI Basicaudio_Release ( IBasicAudio *  iface )

static

Definition at line 822 of file dsoundrender.c.

                                                           {
    DSoundRenderImpl *This = impl_from_IBasicAudio(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return DSoundRender_Release(&This->renderer.filter.IBaseFilter_iface);
}

DSoundAdviseThread()

static DWORD WINAPI DSoundAdviseThread ( LPVOID  lpParam )

static

Definition at line 917 of file dsoundrender.c.

                                                       {
    DSoundRenderImpl *This = lpParam;
    struct dsoundrender_timer head = {NULL};
    MSG msg;
 
    TRACE("(%p): Main Loop\n", This);
 
    PeekMessageW(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
    SetEvent(This->thread_wait);
 
    while (1)
    {
        HRESULT hr;
        REFERENCE_TIME curtime = 0;
        BOOL ret;
        struct dsoundrender_timer *prev = &head, *cur;
 
        hr = IReferenceClock_GetTime(&This->IReferenceClock_iface, &curtime);
        if (SUCCEEDED(hr)) {
            TRACE("Time: %s\n", wine_dbgstr_longlong(curtime));
            while (prev->next) {
                cur = prev->next;
                if (cur->start > curtime) {
                    TRACE("Skipping %p\n", cur);
                    prev = cur;
                } else if (cur->periodicity) {
                    while (cur->start <= curtime) {
                        cur->start += cur->periodicity;
                        ReleaseSemaphore(cur->handle, 1, NULL);
                    }
                    prev = cur;
                } else {
                    struct dsoundrender_timer *next = cur->next;
                    TRACE("Firing %p %s < %s\n", cur, wine_dbgstr_longlong(cur->start), wine_dbgstr_longlong(curtime));
                    SetEvent(cur->handle);
                    HeapFree(GetProcessHeap(), 0, cur);
                    prev->next = next;
                }
            }
        }
        if (!head.next)
            ret = GetMessageW(&msg, INVALID_HANDLE_VALUE, WM_APP, WM_APP + 4);
        else
            ret = PeekMessageW(&msg, INVALID_HANDLE_VALUE, WM_APP, WM_APP + 4, PM_REMOVE);
        while (ret) {
            switch (LOWORD(msg.message) - WM_APP) {
                case 0: TRACE("Exiting\n"); return 0;
                case 1:
                case 2: {
                    struct dsoundrender_timer *t = (struct dsoundrender_timer *)msg.wParam;
                    if (LOWORD(msg.message) - WM_APP == 1)
                        TRACE("Adding one-shot timer %p\n", t);
                    else
                        TRACE("Adding periodic timer %p\n", t);
                    t->next = head.next;
                    head.next = t;
                    break;
                }
                case 3:
                    prev = &head;
                    while (prev->next) {
                        cur = prev->next;
                        if (cur->cookie == msg.wParam) {
                            struct dsoundrender_timer *next = cur->next;
                            HeapFree(GetProcessHeap(), 0, cur);
                            prev->next = next;
                            break;
                        }
                        prev = cur;
                    }
                    break;
            }
            ret = PeekMessageW(&msg, INVALID_HANDLE_VALUE, WM_APP, WM_APP + 4, PM_REMOVE);
        }
        MsgWaitForMultipleObjects(0, NULL, 5, QS_POSTMESSAGE, 0);
    }
    return 0;
}

Referenced by ReferenceClock_AdvisePeriodic(), and ReferenceClock_AdviseTime().

DSoundRender_BeginFlush()

static HRESULT WINAPI DSoundRender_BeginFlush ( BaseRenderer *  iface )

static

Definition at line 560 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
 
    TRACE("\n");
    BaseRendererImpl_BeginFlush(iface);
    SetEvent(This->blocked);
 
    return S_OK;
}

DSoundRender_BreakConnect()

static HRESULT WINAPI DSoundRender_BreakConnect ( BaseRenderer *  iface )

static

Definition at line 521 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
 
    TRACE("(%p)->()\n", iface);
 
    if (This->threadid) {
        PostThreadMessageW(This->threadid, WM_APP, 0, 0);
        LeaveCriticalSection(This->renderer.pInputPin->pin.pCritSec);
        WaitForSingleObject(This->advisethread, INFINITE);
        EnterCriticalSection(This->renderer.pInputPin->pin.pCritSec);
        CloseHandle(This->advisethread);
    }
    if (This->dsbuffer)
        IDirectSoundBuffer_Release(This->dsbuffer);
    This->dsbuffer = NULL;
 
    return S_OK;
}

DSoundRender_CheckMediaType()

static HRESULT WINAPI DSoundRender_CheckMediaType ( BaseRenderer *  iface, const AM_MEDIA_TYPE *  pmt  )

static

Definition at line 416 of file dsoundrender.c.

{
    WAVEFORMATEX* format;
 
    if (!IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio))
        return S_FALSE;
 
    format =  (WAVEFORMATEX*)pmt->pbFormat;
    TRACE("Format = %p\n", format);
    TRACE("wFormatTag = %x %x\n", format->wFormatTag, WAVE_FORMAT_PCM);
    TRACE("nChannels = %d\n", format->nChannels);
    TRACE("nSamplesPerSec = %d\n", format->nSamplesPerSec);
    TRACE("nAvgBytesPerSec = %d\n", format->nAvgBytesPerSec);
    TRACE("nBlockAlign = %d\n", format->nBlockAlign);
    TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
 
    if (!IsEqualIID(&pmt->subtype, &MEDIASUBTYPE_PCM))
        return S_FALSE;
 
    return S_OK;
}

DSoundRender_CompleteConnect()

static HRESULT WINAPI DSoundRender_CompleteConnect ( BaseRenderer *  iface, IPin *  pReceivePin  )

static

Definition at line 467 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
    const AM_MEDIA_TYPE * pmt = &This->renderer.pInputPin->pin.mtCurrent;
    HRESULT hr = S_OK;
    WAVEFORMATEX *format;
    DSBUFFERDESC buf_desc;
 
    TRACE("(%p)->(%p)\n", This, pReceivePin);
    dump_AM_MEDIA_TYPE(pmt);
 
    TRACE("MajorType %s\n", debugstr_guid(&pmt->majortype));
    TRACE("SubType %s\n", debugstr_guid(&pmt->subtype));
    TRACE("Format %s\n", debugstr_guid(&pmt->formattype));
    TRACE("Size %d\n", pmt->cbFormat);
 
    format = (WAVEFORMATEX*)pmt->pbFormat;
 
    This->buf_size = format->nAvgBytesPerSec;
 
    memset(&buf_desc,0,sizeof(DSBUFFERDESC));
    buf_desc.dwSize = sizeof(DSBUFFERDESC);
    buf_desc.dwFlags = DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLPAN |
                       DSBCAPS_CTRLFREQUENCY | DSBCAPS_GLOBALFOCUS |
                       DSBCAPS_GETCURRENTPOSITION2;
    buf_desc.dwBufferBytes = This->buf_size;
    buf_desc.lpwfxFormat = format;
    hr = IDirectSound8_CreateSoundBuffer(This->dsound, &buf_desc, &This->dsbuffer, NULL);
    This->writepos = This->buf_size;
    if (FAILED(hr))
        ERR("Can't create sound buffer (%x)\n", hr);
 
    if (SUCCEEDED(hr))
    {
        hr = IDirectSoundBuffer_SetVolume(This->dsbuffer, This->volume);
        if (FAILED(hr))
            ERR("Can't set volume to %d (%x)\n", This->volume, hr);
 
        hr = IDirectSoundBuffer_SetPan(This->dsbuffer, This->pan);
        if (FAILED(hr))
            ERR("Can't set pan to %d (%x)\n", This->pan, hr);
        hr = S_OK;
    }
 
    if (FAILED(hr) && hr != VFW_E_ALREADY_CONNECTED)
    {
        if (This->dsbuffer)
            IDirectSoundBuffer_Release(This->dsbuffer);
        This->dsbuffer = NULL;
    }
 
    return hr;
}

DSoundRender_create()

HRESULT DSoundRender_create	(	IUnknown *	pUnkOuter,
		LPVOID *	ppv
	)

Definition at line 618 of file dsoundrender.c.

{
    HRESULT hr;
    DSoundRenderImpl * pDSoundRender;
 
    TRACE("(%p, %p)\n", pUnkOuter, ppv);
 
    *ppv = NULL;
 
    if (pUnkOuter)
        return CLASS_E_NOAGGREGATION;
 
    pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
    if (!pDSoundRender)
        return E_OUTOFMEMORY;
    ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
 
    hr = BaseRenderer_Init(&pDSoundRender->renderer, &DSoundRender_Vtbl, (IUnknown*)pDSoundRender, &CLSID_DSoundRender, (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter"), &BaseFuncTable);
 
    BasicAudio_Init(&pDSoundRender->basicAudio,&IBasicAudio_Vtbl);
    pDSoundRender->IReferenceClock_iface.lpVtbl = &IReferenceClock_Vtbl;
    pDSoundRender->IAMDirectSound_iface.lpVtbl = &IAMDirectSound_Vtbl;
    pDSoundRender->IAMFilterMiscFlags_iface.lpVtbl = &IAMFilterMiscFlags_Vtbl;
 
    if (SUCCEEDED(hr))
    {
        hr = DirectSoundCreate8(NULL, &pDSoundRender->dsound, NULL);
        if (FAILED(hr))
            ERR("Cannot create Direct Sound object (%x)\n", hr);
        else
            hr = IDirectSound8_SetCooperativeLevel(pDSoundRender->dsound, GetDesktopWindow(), DSSCL_PRIORITY);
        if (SUCCEEDED(hr)) {
            IDirectSoundBuffer *buf;
            DSBUFFERDESC buf_desc;
            memset(&buf_desc,0,sizeof(DSBUFFERDESC));
            buf_desc.dwSize = sizeof(DSBUFFERDESC);
            buf_desc.dwFlags = DSBCAPS_PRIMARYBUFFER;
            hr = IDirectSound8_CreateSoundBuffer(pDSoundRender->dsound, &buf_desc, &buf, NULL);
            if (SUCCEEDED(hr)) {
                IDirectSoundBuffer_Play(buf, 0, 0, DSBPLAY_LOOPING);
                IDirectSoundBuffer_Release(buf);
            }
            hr = S_OK;
        }
    }
 
    if (SUCCEEDED(hr))
    {
        pDSoundRender->blocked = CreateEventW(NULL, TRUE, TRUE, NULL);
 
        if (!pDSoundRender->blocked || FAILED(hr))
        {
            IBaseFilter_Release(&pDSoundRender->renderer.filter.IBaseFilter_iface);
            return HRESULT_FROM_WIN32(GetLastError());
        }
 
        *ppv = pDSoundRender;
    }
    else
    {
        BaseRendererImpl_Release(&pDSoundRender->renderer.filter.IBaseFilter_iface);
        CoTaskMemFree(pDSoundRender);
    }
 
    return hr;
}

DSoundRender_DoRenderSample()

static HRESULT WINAPI DSoundRender_DoRenderSample ( BaseRenderer *  iface, IMediaSample *  pSample  )

static

Definition at line 359 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
    LPBYTE pbSrcStream = NULL;
    LONG cbSrcStream = 0;
    REFERENCE_TIME tStart, tStop;
    HRESULT hr;
 
    TRACE("%p %p\n", iface, pSample);
 
    /* Slightly incorrect, Pause completes when a frame is received so we should signal
     * pause completion here, but for sound playing a single frame doesn't make sense
     */
 
    hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
    if (FAILED(hr))
    {
        ERR("Cannot get pointer to sample data (%x)\n", hr);
        return hr;
    }
 
    hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
    if (FAILED(hr)) {
        ERR("Cannot get sample time (%x)\n", hr);
        tStart = tStop = -1;
    }
 
    IMediaSample_IsDiscontinuity(pSample);
 
    if (IMediaSample_IsPreroll(pSample) == S_OK)
    {
        TRACE("Preroll!\n");
        return S_OK;
    }
 
    cbSrcStream = IMediaSample_GetActualDataLength(pSample);
    TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
 
    hr = DSoundRender_SendSampleData(This, tStart, tStop, pbSrcStream, cbSrcStream);
    if (This->renderer.filter.state == State_Running && This->renderer.filter.pClock && tStart >= 0) {
        REFERENCE_TIME jitter, now = 0;
        Quality q;
        IReferenceClock_GetTime(This->renderer.filter.pClock, &now);
        jitter = now - This->renderer.filter.rtStreamStart - tStart;
        if (jitter <= -DSoundRenderer_Max_Fill)
            jitter += DSoundRenderer_Max_Fill;
        else if (jitter < 0)
            jitter = 0;
        q.Type = (jitter > 0 ? Famine : Flood);
        q.Proportion = 1000;
        q.Late = jitter;
        q.TimeStamp = tStart;
        IQualityControl_Notify((IQualityControl *)This->renderer.qcimpl, (IBaseFilter*)This, q);
    }
    return hr;
}

DSoundRender_EndFlush()

static HRESULT WINAPI DSoundRender_EndFlush ( BaseRenderer *  iface )

static

Definition at line 571 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
 
    TRACE("\n");
 
    BaseRendererImpl_EndFlush(iface);
    if (This->renderer.filter.state != State_Stopped)
        ResetEvent(This->blocked);
 
    if (This->dsbuffer)
    {
        LPBYTE buffer;
        DWORD size;
 
        /* Force a reset */
        IDirectSoundBuffer_Lock(This->dsbuffer, 0, 0, (LPVOID *)&buffer, &size, NULL, NULL, DSBLOCK_ENTIREBUFFER);
        memset(buffer, 0, size);
        IDirectSoundBuffer_Unlock(This->dsbuffer, buffer, size, NULL, 0);
        This->writepos = This->buf_size;
    }
 
    return S_OK;
}

DSoundRender_EndOfStream()

static HRESULT WINAPI DSoundRender_EndOfStream ( BaseRenderer *  iface )

static

Definition at line 541 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
    HRESULT hr;
 
    TRACE("(%p)->()\n",iface);
 
    hr = BaseRendererImpl_EndOfStream(iface);
    if (hr != S_OK)
    {
        ERR("%08x\n", hr);
        return hr;
    }
 
    hr = DSoundRender_HandleEndOfStream(This);
 
    return hr;
}

DSoundRender_GetWritePos()

static HRESULT DSoundRender_GetWritePos ( DSoundRenderImpl *  This, DWORD *  ret_writepos, REFERENCE_TIME  write_at, DWORD *  pfree, DWORD *  skip  )

static

Definition at line 161 of file dsoundrender.c.

{
    WAVEFORMATEX *wfx = (WAVEFORMATEX*)This->renderer.pInputPin->pin.mtCurrent.pbFormat;
    DWORD writepos, min_writepos, playpos;
    REFERENCE_TIME max_lag = 50 * 10000;
    REFERENCE_TIME min_lag = 25 * 10000;
    REFERENCE_TIME cur, writepos_t, delta_t;
 
    DSoundRender_UpdatePositions(This, &writepos, &min_writepos);
    playpos = This->last_playpos;
    if (This->renderer.filter.pClock == &This->IReferenceClock_iface) {
        max_lag = min_lag;
        cur = This->play_time + time_from_pos(This, playpos);
        cur -= This->renderer.filter.rtStreamStart;
    } else if (This->renderer.filter.pClock) {
        IReferenceClock_GetTime(This->renderer.filter.pClock, &cur);
        cur -= This->renderer.filter.rtStreamStart;
    } else
        write_at = -1;
 
    if (writepos == min_writepos)
        max_lag = 0;
 
    *skip = 0;
    if (write_at < 0) {
        *ret_writepos = writepos;
        goto end;
    }
 
    if (writepos >= playpos)
        writepos_t = cur + time_from_pos(This, writepos - playpos);
    else
        writepos_t = cur + time_from_pos(This, This->buf_size + writepos - playpos);
 
    /* write_at: Starting time of sample */
    /* cur: current time of play position */
    /* writepos_t: current time of our pointer play position */
    delta_t = write_at - writepos_t;
    if (delta_t >= -max_lag && delta_t <= max_lag) {
        TRACE("Continuing from old position\n");
        *ret_writepos = writepos;
    } else if (delta_t < 0) {
        REFERENCE_TIME past, min_writepos_t;
        WARN("Delta too big %i/%i, overwriting old data or even skipping\n", (int)delta_t / 10000, (int)max_lag / 10000);
        if (min_writepos >= playpos)
            min_writepos_t = cur + time_from_pos(This, min_writepos - playpos);
        else
            min_writepos_t = cur + time_from_pos(This, This->buf_size - playpos + min_writepos);
        past = min_writepos_t - write_at;
        if (past >= 0) {
            DWORD skipbytes = pos_from_time(This, past);
            WARN("Skipping %u bytes\n", skipbytes);
            *skip = skipbytes;
            *ret_writepos = min_writepos;
        } else {
            DWORD aheadbytes = pos_from_time(This, -past);
            WARN("Advancing %u bytes\n", aheadbytes);
            *ret_writepos = (min_writepos + aheadbytes) % This->buf_size;
        }
    } else /* delta_t > 0 */ {
        DWORD aheadbytes;
        WARN("Delta too big %i/%i, too far ahead\n", (int)delta_t / 10000, (int)max_lag / 10000);
        aheadbytes = pos_from_time(This, delta_t);
        WARN("Advancing %u bytes\n", aheadbytes);
        if (delta_t >= DSoundRenderer_Max_Fill)
            return S_FALSE;
        *ret_writepos = (min_writepos + aheadbytes) % This->buf_size;
    }
end:
    if (playpos > *ret_writepos)
        *pfree = playpos - *ret_writepos;
    else if (playpos == *ret_writepos)
        *pfree = This->buf_size - wfx->nBlockAlign;
    else
        *pfree = This->buf_size + playpos - *ret_writepos;
    if (time_from_pos(This, This->buf_size - *pfree) >= DSoundRenderer_Max_Fill) {
        TRACE("Blocked: too full %i / %i\n", (int)(time_from_pos(This, This->buf_size - *pfree)/10000), (int)(DSoundRenderer_Max_Fill / 10000));
        return S_FALSE;
    }
    return S_OK;
}

Referenced by DSoundRender_SendSampleData().

DSoundRender_HandleEndOfStream()

static HRESULT DSoundRender_HandleEndOfStream ( DSoundRenderImpl *  This )

static

Definition at line 243 of file dsoundrender.c.

{
    while (This->renderer.filter.state == State_Running)
    {
        DWORD pos1, pos2;
        DSoundRender_UpdatePositions(This, &pos1, &pos2);
        if (pos1 == pos2)
            break;
 
        This->in_loop = 1;
        LeaveCriticalSection(&This->renderer.filter.csFilter);
        LeaveCriticalSection(&This->renderer.csRenderLock);
        WaitForSingleObject(This->blocked, 10);
        EnterCriticalSection(&This->renderer.csRenderLock);
        EnterCriticalSection(&This->renderer.filter.csFilter);
        This->in_loop = 0;
    }
 
    return S_OK;
}

Referenced by DSoundRender_EndOfStream().

DSoundRender_OnStartStreaming()

static VOID WINAPI DSoundRender_OnStartStreaming ( BaseRenderer *  iface )

static

Definition at line 449 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
 
    TRACE("(%p)\n", This);
 
    if (This->renderer.pInputPin->pin.pConnectedTo)
    {
        if (This->renderer.filter.state == State_Paused)
        {
            /* Unblock our thread, state changing from paused to running doesn't need a reset for state change */
            SetEvent(This->blocked);
        }
        IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
        ResetEvent(This->blocked);
    }
}

DSoundRender_OnStopStreaming()

static VOID WINAPI DSoundRender_OnStopStreaming ( BaseRenderer *  iface )

static

Definition at line 438 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    IDirectSoundBuffer_Stop(This->dsbuffer);
    This->writepos = This->buf_size;
    SetEvent(This->blocked);
}

DSoundRender_Pause()

static HRESULT WINAPI DSoundRender_Pause ( IBaseFilter *  iface )

static

Definition at line 754 of file dsoundrender.c.

{
    HRESULT hr = S_OK;
    DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    EnterCriticalSection(&This->renderer.csRenderLock);
    if (This->renderer.filter.state != State_Paused)
    {
        if (This->renderer.filter.state == State_Stopped)
        {
            if (This->renderer.pInputPin->pin.pConnectedTo)
                ResetEvent(This->renderer.evComplete);
            This->renderer.pInputPin->end_of_stream = 0;
        }
 
        hr = IDirectSoundBuffer_Stop(This->dsbuffer);
        if (SUCCEEDED(hr))
            This->renderer.filter.state = State_Paused;
 
        ResetEvent(This->blocked);
        ResetEvent(This->renderer.RenderEvent);
    }
    ResetEvent(This->renderer.ThreadSignal);
    LeaveCriticalSection(&This->renderer.csRenderLock);
 
    return hr;
}

DSoundRender_PrepareReceive()

static HRESULT WINAPI DSoundRender_PrepareReceive ( BaseRenderer *  iface, IMediaSample *  pSample  )

static

Definition at line 324 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_BaseRenderer(iface);
    HRESULT hr;
    AM_MEDIA_TYPE *amt;
 
    if (IMediaSample_GetMediaType(pSample, &amt) == S_OK)
    {
        AM_MEDIA_TYPE *orig = &This->renderer.pInputPin->pin.mtCurrent;
        WAVEFORMATEX *origfmt = (WAVEFORMATEX *)orig->pbFormat;
        WAVEFORMATEX *newfmt = (WAVEFORMATEX *)amt->pbFormat;
 
        if (origfmt->wFormatTag == newfmt->wFormatTag &&
            origfmt->nChannels == newfmt->nChannels &&
            origfmt->nBlockAlign == newfmt->nBlockAlign &&
            origfmt->wBitsPerSample == newfmt->wBitsPerSample &&
            origfmt->cbSize ==  newfmt->cbSize)
        {
            if (origfmt->nSamplesPerSec != newfmt->nSamplesPerSec)
            {
                hr = IDirectSoundBuffer_SetFrequency(This->dsbuffer,
                                                     newfmt->nSamplesPerSec);
                if (FAILED(hr))
                    return VFW_E_TYPE_NOT_ACCEPTED;
                FreeMediaType(orig);
                CopyMediaType(orig, amt);
                IMediaSample_SetMediaType(pSample, NULL);
            }
        }
        else
            return VFW_E_TYPE_NOT_ACCEPTED;
    }
    return S_OK;
}

DSoundRender_QueryInterface()

static HRESULT WINAPI DSoundRender_QueryInterface ( IBaseFilter *  iface, REFIID  riid, LPVOID *  ppv  )

static

Definition at line 685 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IBaseFilter(iface);
    TRACE("(%p, %p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 
    *ppv = NULL;
 
    if (IsEqualIID(riid, &IID_IBasicAudio))
        *ppv = &This->basicAudio.IBasicAudio_iface;
    else if (IsEqualIID(riid, &IID_IReferenceClock))
        *ppv = &This->IReferenceClock_iface;
    else if (IsEqualIID(riid, &IID_IAMDirectSound))
        *ppv = &This->IAMDirectSound_iface;
    else if (IsEqualIID(riid, &IID_IAMFilterMiscFlags))
        *ppv = &This->IAMFilterMiscFlags_iface;
    else
    {
        HRESULT hr;
        hr = BaseRendererImpl_QueryInterface(iface, riid, ppv);
        if (SUCCEEDED(hr))
            return hr;
    }
 
    if (*ppv)
    {
        IUnknown_AddRef((IUnknown *)(*ppv));
        return S_OK;
    }
 
    if (!IsEqualIID(riid, &IID_IPin) && !IsEqualIID(riid, &IID_IVideoWindow))
        FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
 
    return E_NOINTERFACE;
}

Referenced by AMDirectSound_QueryInterface(), Basicaudio_QueryInterface(), and ReferenceClock_QueryInterface().

DSoundRender_Release()

static ULONG WINAPI DSoundRender_Release ( IBaseFilter *  iface )

static

Definition at line 720 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IBaseFilter(iface);
    ULONG refCount = BaseRendererImpl_Release(iface);
 
    TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 
    if (!refCount)
    {
        if (This->threadid) {
            PostThreadMessageW(This->threadid, WM_APP, 0, 0);
            WaitForSingleObject(This->advisethread, INFINITE);
            CloseHandle(This->advisethread);
        }
 
        if (This->dsbuffer)
            IDirectSoundBuffer_Release(This->dsbuffer);
        This->dsbuffer = NULL;
        if (This->dsound)
            IDirectSound8_Release(This->dsound);
        This->dsound = NULL;
 
        BasicAudio_Destroy(&This->basicAudio);
        CloseHandle(This->blocked);
 
        TRACE("Destroying Audio Renderer\n");
        CoTaskMemFree(This);
 
        return 0;
    }
    else
        return refCount;
}

Referenced by AMDirectSound_Release(), Basicaudio_Release(), and ReferenceClock_Release().

DSoundRender_SendSampleData()

static HRESULT DSoundRender_SendSampleData ( DSoundRenderImpl *  This, REFERENCE_TIME  tStart, REFERENCE_TIME  tStop, const BYTE *  data, DWORD  size  )

static

Definition at line 264 of file dsoundrender.c.

{
    HRESULT hr;
 
    while (size && This->renderer.filter.state != State_Stopped) {
        DWORD writepos, skip = 0, free, size1, size2, ret;
        BYTE *buf1, *buf2;
 
        if (This->renderer.filter.state == State_Running)
            hr = DSoundRender_GetWritePos(This, &writepos, tStart, &free, &skip);
        else
            hr = S_FALSE;
 
        if (hr != S_OK) {
            This->in_loop = 1;
            LeaveCriticalSection(&This->renderer.csRenderLock);
            ret = WaitForSingleObject(This->blocked, 10);
            EnterCriticalSection(&This->renderer.csRenderLock);
            This->in_loop = 0;
            if (This->renderer.pInputPin->flushing ||
                This->renderer.filter.state == State_Stopped) {
                return This->renderer.filter.state == State_Paused ? S_OK : VFW_E_WRONG_STATE;
            }
            if (ret != WAIT_TIMEOUT)
                ERR("%x\n", ret);
            continue;
        }
        tStart = -1;
 
        if (skip)
            FIXME("Sample dropped %u of %u bytes\n", skip, size);
        if (skip >= size)
            return S_OK;
        data += skip;
        size -= skip;
 
        hr = IDirectSoundBuffer_Lock(This->dsbuffer, writepos, min(free, size), (void**)&buf1, &size1, (void**)&buf2, &size2, 0);
        if (hr != DS_OK) {
            ERR("Unable to lock sound buffer! (%x)\n", hr);
            break;
        }
        memcpy(buf1, data, size1);
        if (size2)
            memcpy(buf2, data+size1, size2);
        IDirectSoundBuffer_Unlock(This->dsbuffer, buf1, size1, buf2, size2);
        This->writepos = (writepos + size1 + size2) % This->buf_size;
        TRACE("Wrote %u bytes at %u, next at %u - (%u/%u)\n", size1+size2, writepos, This->writepos, free, size);
        data += size1 + size2;
        size -= size1 + size2;
    }
    return S_OK;
}

Referenced by DSoundRender_DoRenderSample().

DSoundRender_ShouldDrawSampleNow()

static HRESULT WINAPI DSoundRender_ShouldDrawSampleNow ( BaseRenderer *  This, IMediaSample *  pMediaSample, REFERENCE_TIME *  pStartTime, REFERENCE_TIME *  pEndTime  )

static

Definition at line 317 of file dsoundrender.c.

{
    /* We time ourselves do not use the base renderers timing */
    return S_OK;
}

DSoundRender_UpdatePositions()

static void DSoundRender_UpdatePositions ( DSoundRenderImpl *  This, DWORD *  seqwritepos, DWORD *  minwritepos  )

static

Definition at line 124 of file dsoundrender.c.

                                                                                                         {
    WAVEFORMATEX *wfx = (WAVEFORMATEX*)This->renderer.pInputPin->pin.mtCurrent.pbFormat;
    BYTE *buf1, *buf2;
    DWORD size1, size2, playpos, writepos, old_writepos, old_playpos, adv;
    BOOL writepos_set = This->writepos < This->buf_size;
 
    /* Update position and zero */
    old_writepos = This->writepos;
    old_playpos = This->last_playpos;
    if (old_writepos <= old_playpos)
        old_writepos += This->buf_size;
 
    IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, &playpos, &writepos);
    if (old_playpos > playpos) {
        adv = This->buf_size + playpos - old_playpos;
        This->play_time += time_from_pos(This, This->buf_size);
    } else
        adv = playpos - old_playpos;
    This->last_playpos = playpos;
    if (adv) {
        TRACE("Moving from %u to %u: clearing %u bytes\n", old_playpos, playpos, adv);
        IDirectSoundBuffer_Lock(This->dsbuffer, old_playpos, adv, (void**)&buf1, &size1, (void**)&buf2, &size2, 0);
        memset(buf1, wfx->wBitsPerSample == 8 ? 128  : 0, size1);
        memset(buf2, wfx->wBitsPerSample == 8 ? 128  : 0, size2);
        IDirectSoundBuffer_Unlock(This->dsbuffer, buf1, size1, buf2, size2);
    }
    *minwritepos = writepos;
    if (!writepos_set || old_writepos < writepos) {
        if (writepos_set) {
            This->writepos = This->buf_size;
            FIXME("Underrun of data occurred!\n");
        }
        *seqwritepos = writepos;
    } else
        *seqwritepos = This->writepos;
}

Referenced by DSoundRender_GetWritePos(), DSoundRender_HandleEndOfStream(), and ReferenceClock_GetTime().

impl_from_BaseRenderer()

static DSoundRenderImpl * impl_from_BaseRenderer ( BaseRenderer *  iface )

inlinestatic

Definition at line 78 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, renderer);
}

Referenced by DSoundRender_BeginFlush(), DSoundRender_BreakConnect(), DSoundRender_CompleteConnect(), DSoundRender_DoRenderSample(), DSoundRender_EndFlush(), DSoundRender_EndOfStream(), DSoundRender_OnStartStreaming(), DSoundRender_OnStopStreaming(), and DSoundRender_PrepareReceive().

impl_from_IAMDirectSound()

static DSoundRenderImpl * impl_from_IAMDirectSound ( IAMDirectSound *  iface )

inlinestatic

Definition at line 98 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, IAMDirectSound_iface);
}

Referenced by AMDirectSound_AddRef(), AMDirectSound_GetDirectSoundInterface(), AMDirectSound_GetFocusWindow(), AMDirectSound_GetPrimaryBufferInterface(), AMDirectSound_GetSecondaryBufferInterface(), AMDirectSound_QueryInterface(), AMDirectSound_Release(), AMDirectSound_ReleaseDirectSoundInterface(), AMDirectSound_ReleasePrimaryBufferInterface(), AMDirectSound_ReleaseSecondaryBufferInterface(), and AMDirectSound_SetFocusWindow().

impl_from_IAMFilterMiscFlags()

static DSoundRenderImpl * impl_from_IAMFilterMiscFlags ( IAMFilterMiscFlags *  iface )

inlinestatic

Definition at line 103 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, IAMFilterMiscFlags_iface);
}

Referenced by AMFilterMiscFlags_AddRef(), AMFilterMiscFlags_QueryInterface(), and AMFilterMiscFlags_Release().

impl_from_IBaseFilter()

static DSoundRenderImpl * impl_from_IBaseFilter ( IBaseFilter *  iface )

inlinestatic

Definition at line 83 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, renderer.filter.IBaseFilter_iface);
}

Referenced by DSoundRender_QueryInterface(), and DSoundRender_Release().

impl_from_IBasicAudio()

static DSoundRenderImpl * impl_from_IBasicAudio ( IBasicAudio *  iface )

inlinestatic

Definition at line 88 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, basicAudio.IBasicAudio_iface);
}

Referenced by Basicaudio_AddRef(), Basicaudio_get_Balance(), Basicaudio_get_Volume(), Basicaudio_put_Balance(), Basicaudio_put_Volume(), Basicaudio_QueryInterface(), and Basicaudio_Release().

impl_from_IReferenceClock()

static DSoundRenderImpl * impl_from_IReferenceClock ( IReferenceClock *  iface )

inlinestatic

Definition at line 93 of file dsoundrender.c.

{
    return CONTAINING_RECORD(iface, DSoundRenderImpl, IReferenceClock_iface);
}

Referenced by ReferenceClock_AddRef(), ReferenceClock_AdvisePeriodic(), ReferenceClock_AdviseTime(), ReferenceClock_GetTime(), ReferenceClock_QueryInterface(), ReferenceClock_Release(), and ReferenceClock_Unadvise().

pos_from_time()

static DWORD pos_from_time ( DSoundRenderImpl *  This, REFERENCE_TIME  time  )

static

Definition at line 115 of file dsoundrender.c.

                                                                        {
    WAVEFORMATEX *wfx = (WAVEFORMATEX*)This->renderer.pInputPin->pin.mtCurrent.pbFormat;
    REFERENCE_TIME ret = time;
    ret *= wfx->nAvgBytesPerSec;
    ret /= 10000000;
    ret -= ret % wfx->nBlockAlign;
    return ret;
}

Referenced by DSoundRender_GetWritePos().

ReferenceClock_AddRef()

static ULONG WINAPI ReferenceClock_AddRef ( IReferenceClock *  iface )

static

Definition at line 1008 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return BaseFilterImpl_AddRef(&This->renderer.filter.IBaseFilter_iface);
}

ReferenceClock_AdvisePeriodic()

static HRESULT WINAPI ReferenceClock_AdvisePeriodic ( IReferenceClock *  iface, REFERENCE_TIME  rtStartTime, REFERENCE_TIME  rtPeriodTime, HSEMAPHORE  hSemaphore, DWORD_PTR *  pdwAdviseCookie  )

static

Definition at line 1103 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
    struct dsoundrender_timer *t;
 
    TRACE("(%p/%p)->(%s, %s, %p, %p)\n", This, iface, wine_dbgstr_longlong(rtStartTime), wine_dbgstr_longlong(rtPeriodTime), (void*)hSemaphore, pdwAdviseCookie);
 
    if (rtStartTime <= 0 || rtPeriodTime <= 0)
        return E_INVALIDARG;
 
    if (!pdwAdviseCookie)
        return E_POINTER;
 
    EnterCriticalSection(&This->renderer.filter.csFilter);
    if (!This->threadid && This->dsbuffer) {
        This->thread_wait = CreateEventW(0, 0, 0, 0);
        This->advisethread = CreateThread(NULL, 0, DSoundAdviseThread, This, 0, &This->threadid);
        WaitForSingleObject(This->thread_wait, INFINITE);
        CloseHandle(This->thread_wait);
    }
    LeaveCriticalSection(&This->renderer.filter.csFilter);
 
    t = HeapAlloc(GetProcessHeap(), 0, sizeof(*t));
    t->next = NULL;
    t->start = rtStartTime;
    t->periodicity = rtPeriodTime;
    t->handle = (HANDLE)hSemaphore;
    t->cookie = InterlockedIncrement(&cookie_counter);
    PostThreadMessageW(This->threadid, WM_APP+1, (WPARAM)t, 0);
    *pdwAdviseCookie = t->cookie;
 
    return S_OK;
}

ReferenceClock_AdviseTime()

static HRESULT WINAPI ReferenceClock_AdviseTime ( IReferenceClock *  iface, REFERENCE_TIME  rtBaseTime, REFERENCE_TIME  rtStreamTime, HEVENT  hEvent, DWORD_PTR *  pdwAdviseCookie  )

static

Definition at line 1059 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
    REFERENCE_TIME when = rtBaseTime + rtStreamTime;
    REFERENCE_TIME future;
    TRACE("(%p/%p)->(%s, %s, %p, %p)\n", This, iface, wine_dbgstr_longlong(rtBaseTime), wine_dbgstr_longlong(rtStreamTime), (void*)hEvent, pdwAdviseCookie);
 
    if (when <= 0)
        return E_INVALIDARG;
 
    if (!pdwAdviseCookie)
        return E_POINTER;
 
    EnterCriticalSection(&This->renderer.filter.csFilter);
    future = when - This->play_time;
    if (!This->threadid && This->dsbuffer) {
        This->thread_wait = CreateEventW(0, 0, 0, 0);
        This->advisethread = CreateThread(NULL, 0, DSoundAdviseThread, This, 0, &This->threadid);
        WaitForSingleObject(This->thread_wait, INFINITE);
        CloseHandle(This->thread_wait);
    }
    LeaveCriticalSection(&This->renderer.filter.csFilter);
    /* If it's in the past or the next millisecond, trigger immediately  */
    if (future <= 10000) {
        SetEvent((HANDLE)hEvent);
        *pdwAdviseCookie = 0;
    } else {
        struct dsoundrender_timer *t = HeapAlloc(GetProcessHeap(), 0, sizeof(*t));
        t->next = NULL;
        t->start = when;
        t->periodicity = 0;
        t->handle = (HANDLE)hEvent;
        t->cookie = InterlockedIncrement(&cookie_counter);
        PostThreadMessageW(This->threadid, WM_APP+1, (WPARAM)t, 0);
        *pdwAdviseCookie = t->cookie;
    }
 
    return S_OK;
}

ReferenceClock_GetTime()

static HRESULT WINAPI ReferenceClock_GetTime ( IReferenceClock *  iface, REFERENCE_TIME *  pTime  )

static

Definition at line 1027 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
    HRESULT hr = E_FAIL;
 
    TRACE("(%p/%p)->(%p)\n", This, iface, pTime);
    if (!pTime)
        return E_POINTER;
 
    if (This->dsbuffer) {
        DWORD writepos1, writepos2;
        EnterCriticalSection(&This->renderer.filter.csFilter);
        DSoundRender_UpdatePositions(This, &writepos1, &writepos2);
        if (This->renderer.pInputPin && This->renderer.pInputPin->pin.mtCurrent.pbFormat)
        {
            *pTime = This->play_time + time_from_pos(This, This->last_playpos);
            hr = S_OK;
        }
        else
        {
            ERR("pInputPin Disconnected\n");
            hr = E_FAIL;
        }
        LeaveCriticalSection(&This->renderer.filter.csFilter);
    }
    if (FAILED(hr))
        WARN("Could not get reference time (%x)!\n", hr);
 
    return hr;
}

ReferenceClock_QueryInterface()

static HRESULT WINAPI ReferenceClock_QueryInterface ( IReferenceClock *  iface, REFIID  riid, LPVOID *  ppvObj  )

static

Definition at line 997 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
 
    TRACE("(%p/%p)->(%s, %p)\n", This, iface, debugstr_guid(riid), ppvObj);
 
    return DSoundRender_QueryInterface(&This->renderer.filter.IBaseFilter_iface, riid, ppvObj);
}

ReferenceClock_Release()

static ULONG WINAPI ReferenceClock_Release ( IReferenceClock *  iface )

static

Definition at line 1017 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
 
    TRACE("(%p/%p)->()\n", This, iface);
 
    return DSoundRender_Release(&This->renderer.filter.IBaseFilter_iface);
}

ReferenceClock_Unadvise()

static HRESULT WINAPI ReferenceClock_Unadvise ( IReferenceClock *  iface, DWORD_PTR  dwAdviseCookie  )

static

Definition at line 1141 of file dsoundrender.c.

{
    DSoundRenderImpl *This = impl_from_IReferenceClock(iface);
 
    TRACE("(%p/%p)->(%p)\n", This, iface, (void*)dwAdviseCookie);
    if (!This->advisethread || !dwAdviseCookie)
        return S_FALSE;
    PostThreadMessageW(This->threadid, WM_APP+3, dwAdviseCookie, 0);
    return S_OK;
}

time_from_pos()

static REFERENCE_TIME time_from_pos ( DSoundRenderImpl *  This, DWORD  pos  )

static

Definition at line 108 of file dsoundrender.c.

                                                                       {
    WAVEFORMATEX *wfx = (WAVEFORMATEX*)This->renderer.pInputPin->pin.mtCurrent.pbFormat;
    REFERENCE_TIME ret = 10000000;
    ret = ret * pos / wfx->nAvgBytesPerSec;
    return ret;
}

Referenced by DSoundRender_GetWritePos(), DSoundRender_UpdatePositions(), and ReferenceClock_GetTime().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

quartz

)

Variable Documentation

BaseFuncTable

const BaseRendererFuncTable BaseFuncTable

static

Initial value:

= {
    DSoundRender_CheckMediaType,
    DSoundRender_DoRenderSample,
    
    NULL,
    NULL,
    NULL,
    DSoundRender_OnStartStreaming,
    DSoundRender_OnStopStreaming,
    NULL,
    NULL,
    NULL,
    DSoundRender_ShouldDrawSampleNow,
    DSoundRender_PrepareReceive,
    
    DSoundRender_CompleteConnect,
    DSoundRender_BreakConnect,
    DSoundRender_EndOfStream,
    DSoundRender_BeginFlush,
    DSoundRender_EndFlush,
}

Definition at line 596 of file dsoundrender.c.

Referenced by DSoundRender_create().

cookie_counter

LONG cookie_counter = 1

static

Definition at line 915 of file dsoundrender.c.

Referenced by ReferenceClock_AdvisePeriodic(), and ReferenceClock_AdviseTime().

DSoundRender_Vtbl

static const IBaseFilterVtbl DSoundRender_Vtbl

static

Initial value:

=
{
    DSoundRender_QueryInterface,
    BaseFilterImpl_AddRef,
    DSoundRender_Release,
    BaseFilterImpl_GetClassID,
    BaseRendererImpl_Stop,
    DSoundRender_Pause,
    BaseRendererImpl_Run,
    BaseRendererImpl_GetState,
    BaseRendererImpl_SetSyncSource,
    BaseFilterImpl_GetSyncSource,
    BaseFilterImpl_EnumPins,
    BaseRendererImpl_FindPin,
    BaseFilterImpl_QueryFilterInfo,
    BaseFilterImpl_JoinFilterGraph,
    BaseFilterImpl_QueryVendorInfo
}

Definition at line 46 of file dsoundrender.c.

Referenced by DSoundRender_create().

DSoundRenderer_Max_Fill

const REFERENCE_TIME DSoundRenderer_Max_Fill = 150 * 10000

static

Definition at line 44 of file dsoundrender.c.

Referenced by DSoundRender_DoRenderSample(), and DSoundRender_GetWritePos().

IAMDirectSound_Vtbl

static const IAMDirectSoundVtbl IAMDirectSound_Vtbl

static

Initial value:

=
{
    AMDirectSound_QueryInterface,
    AMDirectSound_AddRef,
    AMDirectSound_Release,
    AMDirectSound_GetDirectSoundInterface,
    AMDirectSound_GetPrimaryBufferInterface,
    AMDirectSound_GetSecondaryBufferInterface,
    AMDirectSound_ReleaseDirectSoundInterface,
    AMDirectSound_ReleasePrimaryBufferInterface,
    AMDirectSound_ReleaseSecondaryBufferInterface,
    AMDirectSound_SetFocusWindow,
    AMDirectSound_GetFocusWindow
}

Definition at line 49 of file dsoundrender.c.

Referenced by DSoundRender_create().

IAMFilterMiscFlags_Vtbl

static const IAMFilterMiscFlagsVtbl IAMFilterMiscFlags_Vtbl

static

Initial value:

= {
    AMFilterMiscFlags_QueryInterface,
    AMFilterMiscFlags_AddRef,
    AMFilterMiscFlags_Release,
    AMFilterMiscFlags_GetMiscFlags
}

Definition at line 50 of file dsoundrender.c.

Referenced by DSoundRender_create().

IBasicAudio_Vtbl

static const IBasicAudioVtbl IBasicAudio_Vtbl

static

Initial value:

=
{
    Basicaudio_QueryInterface,
    Basicaudio_AddRef,
    Basicaudio_Release,
    BasicAudioImpl_GetTypeInfoCount,
    BasicAudioImpl_GetTypeInfo,
    BasicAudioImpl_GetIDsOfNames,
    BasicAudioImpl_Invoke,
    Basicaudio_put_Volume,
    Basicaudio_get_Volume,
    Basicaudio_put_Balance,
    Basicaudio_get_Balance
}

Definition at line 47 of file dsoundrender.c.

Referenced by DSoundRender_create().

IReferenceClock_Vtbl

static const IReferenceClockVtbl IReferenceClock_Vtbl

static

Initial value:

=
{
    ReferenceClock_QueryInterface,
    ReferenceClock_AddRef,
    ReferenceClock_Release,
    ReferenceClock_GetTime,
    ReferenceClock_AdviseTime,
    ReferenceClock_AdvisePeriodic,
    ReferenceClock_Unadvise
}

Definition at line 48 of file dsoundrender.c.

Referenced by DSoundRender_create().