Maarten Lankhorst : mmdevapi: Add support for the clock interface.
Module: wine Branch: master Commit: 2e130087358e114d3791d0f849a742f4410e32e9 URL: http://source.winehq.org/git/wine.git/?a=commit;h=2e130087358e114d3791d0f849... Author: Maarten Lankhorst <m.b.lankhorst(a)gmail.com> Date: Mon Apr 19 11:52:53 2010 +0200 mmdevapi: Add support for the clock interface. --- dlls/mmdevapi/audio.c | 165 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 165 insertions(+), 0 deletions(-) diff --git a/dlls/mmdevapi/audio.c b/dlls/mmdevapi/audio.c index 997e037..33099c5 100644 --- a/dlls/mmdevapi/audio.c +++ b/dlls/mmdevapi/audio.c @@ -77,6 +77,7 @@ typedef struct ACImpl { ACRender *render; ACCapture *capture; + AClock *clock; } ACImpl; struct ACRender { @@ -91,14 +92,25 @@ struct ACCapture { ACImpl *parent; }; +struct AClock { + const IAudioClockVtbl *lpVtbl; + const IAudioClock2Vtbl *lp2Vtbl; + LONG ref; + ACImpl *parent; +}; + static const IAudioClientVtbl ACImpl_Vtbl; static const IAudioRenderClientVtbl ACRender_Vtbl; static const IAudioCaptureClientVtbl ACCapture_Vtbl; +static const IAudioClockVtbl AClock_Vtbl; +static const IAudioClock2Vtbl AClock2_Vtbl; static HRESULT AudioRenderClient_Create(ACImpl *parent, ACRender **ppv); static void AudioRenderClient_Destroy(ACRender *This); static HRESULT AudioCaptureClient_Create(ACImpl *parent, ACCapture **ppv); static void AudioCaptureClient_Destroy(ACCapture *This); +static HRESULT AudioClock_Create(ACImpl *parent, AClock **ppv); +static void AudioClock_Destroy(AClock *This); static int get_format_PCM(WAVEFORMATEX *format) { @@ -277,6 +289,8 @@ static void AudioClient_Destroy(ACImpl *This) AudioRenderClient_Destroy(This->render); if (This->capture) AudioCaptureClient_Destroy(This->capture); + if (This->clock) + AudioClock_Destroy(This->clock); if (This->parent->flow == eRender && This->init) { setALContext(This->parent->ctx); IAudioClient_Stop((IAudioClient*)This); @@ -846,6 +860,10 @@ static HRESULT WINAPI AC_GetService(IAudioClient *iface, REFIID riid, void **ppv if (!This->capture) hr = AudioCaptureClient_Create(This, &This->capture); *ppv = This->capture; + } else if (IsEqualIID(riid, &IID_IAudioClock)) { + if (!This->clock) + hr = AudioClock_Create(This, &This->clock); + *ppv = This->clock; } if (FAILED(hr)) @@ -1212,4 +1230,151 @@ static const IAudioCaptureClientVtbl ACCapture_Vtbl = ACC_GetNextPacketSize }; +static HRESULT AudioClock_Create(ACImpl *parent, AClock **ppv) +{ + AClock *This; + This = *ppv = HeapAlloc(GetProcessHeap(), 0, sizeof(*This)); + if (!This) + return E_OUTOFMEMORY; + This->lpVtbl = &AClock_Vtbl; + This->lp2Vtbl = &AClock2_Vtbl; + This->ref = 0; + This->parent = parent; + return S_OK; +} + +static void AudioClock_Destroy(AClock *This) +{ + This->parent->clock = NULL; + HeapFree(GetProcessHeap(), 0, This); +} + +static HRESULT WINAPI AClock_QueryInterface(IAudioClock *iface, REFIID riid, void **ppv) +{ + AClock *This = (AClock*)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->lp2Vtbl; + if (*ppv) { + IUnknown_AddRef((IUnknown*)*ppv); + return S_OK; + } + WARN("Unknown interface %s\n", debugstr_guid(riid)); + return E_NOINTERFACE; +} + +static ULONG WINAPI AClock_AddRef(IAudioClock *iface) +{ + AClock *This = (AClock*)iface; + ULONG ref; + ref = InterlockedIncrement(&This->ref); + TRACE("Refcount now %i\n", ref); + return ref; +} + +static ULONG WINAPI AClock_Release(IAudioClock *iface) +{ + AClock *This = (AClock*)iface; + ULONG ref; + ref = InterlockedDecrement(&This->ref); + TRACE("Refcount now %i\n", ref); + if (!ref) + AudioClock_Destroy(This); + return ref; +} + +static HRESULT WINAPI AClock_GetFrequency(IAudioClock *iface, UINT64 *freq) +{ + AClock *This = (AClock*)iface; + TRACE("(%p)->(%p)\n", This, freq); + + *freq = (UINT64)This->parent->pwfx->nSamplesPerSec; + return S_OK; +} + +static HRESULT WINAPI AClock_GetPosition(IAudioClock *iface, UINT64 *pos, UINT64 *qpctime) +{ + AClock *This = (AClock*)iface; + DWORD pad; + + TRACE("(%p)->(%p,%p)\n", This, pos, qpctime); + + if (!pos) + return E_POINTER; + + EnterCriticalSection(This->parent->crst); + AC_GetCurrentPadding((IAudioClient*)This->parent, &pad); + *pos = This->parent->frameswritten - pad; + if (qpctime) + *qpctime = gettime(); + LeaveCriticalSection(This->parent->crst); + + return S_OK; +} + +static HRESULT WINAPI AClock_GetCharacteristics(IAudioClock *iface, DWORD *chars) +{ + AClock *This = (AClock*)iface; + TRACE("(%p)->(%p)\n", This, chars); + + if (!chars) + return E_POINTER; + *chars = AUDIOCLOCK_CHARACTERISTIC_FIXED_FREQ; + return S_OK; +} + +static const IAudioClockVtbl AClock_Vtbl = +{ + AClock_QueryInterface, + AClock_AddRef, + AClock_Release, + AClock_GetFrequency, + AClock_GetPosition, + AClock_GetCharacteristics +}; + +static AClock *get_clock_from_clock2(IAudioClock2 *iface) +{ + return (AClock*)((char*)iface - offsetof(AClock,lp2Vtbl)); +} + +static HRESULT WINAPI AClock2_QueryInterface(IAudioClock2 *iface, REFIID riid, void **ppv) +{ + AClock *This = get_clock_from_clock2(iface); + return IUnknown_QueryInterface((IUnknown*)This, riid, ppv); +} + +static ULONG WINAPI AClock2_AddRef(IAudioClock2 *iface) +{ + AClock *This = get_clock_from_clock2(iface); + return IUnknown_AddRef((IUnknown*)This); +} + +static ULONG WINAPI AClock2_Release(IAudioClock2 *iface) +{ + AClock *This = get_clock_from_clock2(iface); + return IUnknown_Release((IUnknown*)This); +} + +static HRESULT WINAPI AClock2_GetPosition(IAudioClock2 *iface, UINT64 *pos, UINT64 *qpctime) +{ + AClock *This = get_clock_from_clock2(iface); + return AClock_GetPosition((IAudioClock*)This, pos, qpctime); +} + +static const IAudioClock2Vtbl AClock2_Vtbl = +{ + AClock2_QueryInterface, + AClock2_AddRef, + AClock2_Release, + AClock2_GetPosition +}; + #endif
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Alexandre Julliard