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mmdevapi: Add audio capture code.

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This commit is contained in:
Maarten Lankhorst 2010-04-19 11:52:52 +02:00 committed by Alexandre Julliard
parent cffb95fdb8
commit f062e1b127
2 changed files with 152 additions and 1 deletions
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149
dlls/mmdevapi/audio.c
View File

@ -76,6 +76,7 @@ typedef struct ACImpl {
ALint format;
ACRender *render;
ACCapture *capture;
} ACImpl;
struct ACRender {
@ -84,11 +85,20 @@ struct ACRender {
ACImpl *parent;
};
struct ACCapture {
const IAudioCaptureClientVtbl *lpVtbl;
LONG ref;
ACImpl *parent;
};
static const IAudioClientVtbl ACImpl_Vtbl;
static const IAudioRenderClientVtbl ACRender_Vtbl;
static const IAudioCaptureClientVtbl ACCapture_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 int get_format_PCM(WAVEFORMATEX *format)
{
@ -265,6 +275,8 @@ static void AudioClient_Destroy(ACImpl *This)
DeleteTimerQueueTimer(NULL, This->timer_id, INVALID_HANDLE_VALUE);
if (This->render)
AudioRenderClient_Destroy(This->render);
if (This->capture)
AudioCaptureClient_Destroy(This->capture);
if (This->parent->flow == eRender && This->init) {
setALContext(This->parent->ctx);
IAudioClient_Stop((IAudioClient*)This);
@ -828,6 +840,12 @@ static HRESULT WINAPI AC_GetService(IAudioClient *iface, REFIID riid, void **ppv
if (!This->render)
hr = AudioRenderClient_Create(This, &This->render);
*ppv = This->render;
} else if (IsEqualIID(riid, &IID_IAudioCaptureClient)) {
if (This->parent->flow != eCapture)
return AUDCLNT_E_WRONG_ENDPOINT_TYPE;
if (!This->capture)
hr = AudioCaptureClient_Create(This, &This->capture);
*ppv = This->capture;
}
if (FAILED(hr))
@ -1063,4 +1081,135 @@ static const IAudioRenderClientVtbl ACRender_Vtbl = {
ACR_ReleaseBuffer
};
static HRESULT AudioCaptureClient_Create(ACImpl *parent, ACCapture **ppv)
{
ACCapture *This;
This = *ppv = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This)
return E_OUTOFMEMORY;
This->lpVtbl = &ACCapture_Vtbl;
This->ref = 0;
This->parent = parent;
return S_OK;
}
static void AudioCaptureClient_Destroy(ACCapture *This)
{
This->parent->capture = NULL;
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT WINAPI ACC_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 ACC_AddRef(IAudioCaptureClient *iface)
{
ACCapture *This = (ACCapture*)iface;
ULONG ref;
ref = InterlockedIncrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static ULONG WINAPI ACC_Release(IAudioCaptureClient *iface)
{
ACCapture *This = (ACCapture*)iface;
ULONG ref;
ref = InterlockedDecrement(&This->ref);
TRACE("Refcount now %i\n", ref);
if (!ref)
AudioCaptureClient_Destroy(This);
return ref;
}
static HRESULT WINAPI ACC_GetBuffer(IAudioCaptureClient *iface, BYTE **data, UINT32 *frames, DWORD *flags, UINT64 *devpos, UINT64 *qpcpos)
{
ACCapture *This = (ACCapture*)iface;
HRESULT hr;
DWORD block = This->parent->pwfx->nBlockAlign;
DWORD ofs, bufsize;
TRACE("(%p)->(%p,%p,%p,%p,%p)\n", This, data, frames, flags, devpos, qpcpos);
if (!data)
return E_POINTER;
if (!frames)
return E_POINTER;
if (!flags) {
FIXME("Flags can be null?\n");
return E_POINTER;
}
EnterCriticalSection(This->parent->crst);
hr = AUDCLNT_E_OUT_OF_ORDER;
if (This->parent->locked)
goto out;
IAudioCaptureClient_GetNextPacketSize(iface, frames);
ofs = This->parent->ofs;
bufsize = This->parent->bufsize;
if ( (ofs*block) % This->parent->psize)
ERR("Unaligned offset %u with %u\n", ofs*block, This->parent->psize);
*data = This->parent->buffer + ofs * block;
This->parent->locked = *frames;
if (devpos)
*devpos = This->parent->frameswritten - This->parent->pad;
if (qpcpos)
*qpcpos = This->parent->laststamp;
if (*frames)
hr = S_OK;
else
hr = AUDCLNT_S_BUFFER_EMPTY;
out:
LeaveCriticalSection(This->parent->crst);
return hr;
}
static HRESULT WINAPI ACC_ReleaseBuffer(IAudioCaptureClient *iface, UINT32 written)
{
ACCapture *This = (ACCapture*)iface;
HRESULT hr = S_OK;
EnterCriticalSection(This->parent->crst);
if (!written || written == This->parent->locked)
This->parent->locked = 0;
else if (!This->parent->locked)
hr = AUDCLNT_E_OUT_OF_ORDER;
else
hr = AUDCLNT_E_INVALID_SIZE;
This->parent->ofs += written;
This->parent->ofs %= This->parent->bufsize;
This->parent->pad -= written;
LeaveCriticalSection(This->parent->crst);
return hr;
}
static HRESULT WINAPI ACC_GetNextPacketSize(IAudioCaptureClient *iface, UINT32 *frames)
{
ACCapture *This = (ACCapture*)iface;
return AC_GetCurrentPadding((IAudioClient*)This->parent, frames);
}
static const IAudioCaptureClientVtbl ACCapture_Vtbl =
{
ACC_QueryInterface,
ACC_AddRef,
ACC_Release,
ACC_GetBuffer,
ACC_ReleaseBuffer,
ACC_GetNextPacketSize
};
#endif

4
dlls/mmdevapi/tests/capture.c
View File

@ -81,7 +81,7 @@ static void test_capture(IAudioClient *ac, HANDLE handle, WAVEFORMATEX *wfx)
UINT64 devpos, qpcpos;
hr = IAudioClient_GetService(ac, &IID_IAudioCaptureClient, (void**)&acc);
todo_wine ok(hr == S_OK, "IAudioClient_GetService(IID_IAudioCaptureClient) returns %08x\n", hr);
ok(hr == S_OK, "IAudioClient_GetService(IID_IAudioCaptureClient) returns %08x\n", hr);
if (hr != S_OK)
return;
@ -118,6 +118,8 @@ static void test_capture(IAudioClient *ac, HANDLE handle, WAVEFORMATEX *wfx)
ok(frames, "Amount of frames locked is 0!\n");
else if (hr == AUDCLNT_S_BUFFER_EMPTY)
ok(!frames, "Amount of frames locked with empty buffer is %u!\n", frames);
else
ok(0, "GetBuffer returned %08x\n", hr);
trace("Device position is at %u, amount of frames locked: %u\n", (DWORD)devpos, frames);
if (frames) {