Module: wine Branch: master Commit: 2d5ea4b5d5f7e74aa13a8a8dffb943e977d033f8 URL: http://source.winehq.org/git/wine.git/?a=commit;h=2d5ea4b5d5f7e74aa13a8a8dff...
Author: Paul Chitescu paulc@voip.null.ro Date: Fri Feb 12 21:16:14 2010 +0200
qedit: Add media type enumerator to SampleGrabber.
---
dlls/qedit/samplegrabber.c | 160 +++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 158 insertions(+), 2 deletions(-)
diff --git a/dlls/qedit/samplegrabber.c b/dlls/qedit/samplegrabber.c index 6b46a27..b6082f1 100644 --- a/dlls/qedit/samplegrabber.c +++ b/dlls/qedit/samplegrabber.c @@ -37,6 +37,7 @@ static WCHAR const pin_in_name[] = { 'I', 'n', 0 }; static WCHAR const pin_out_name[] = { 'O', 'u', 't', 0 };
IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount); +IEnumMediaTypes *mediaenum_create(AM_MEDIA_TYPE *mtype);
/* Fixed pins enumerator, holds filter referenced */ typedef struct _PE_Impl { @@ -190,6 +191,160 @@ IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount) }
+/* Single media type enumerator */ +typedef struct _ME_Impl { + IEnumMediaTypes me; + LONG refCount; + BOOL past; + AM_MEDIA_TYPE mtype; +} ME_Impl; + + +/* IEnumMediaTypes interface implementation */ + +/* IUnknown */ +static ULONG WINAPI +Single_IEnumMediaTypes_AddRef(IEnumMediaTypes *iface) +{ + ME_Impl *This = (ME_Impl *)iface; + ULONG refCount = InterlockedIncrement(&This->refCount); + TRACE("(%p) new ref = %u\n", This, refCount); + return refCount; +} + +/* IUnknown */ +static ULONG WINAPI +Single_IEnumMediaTypes_Release(IEnumMediaTypes *iface) +{ + ME_Impl *This = (ME_Impl *)iface; + ULONG refCount = InterlockedDecrement(&This->refCount); + TRACE("(%p) new ref = %u\n", This, refCount); + if (refCount == 0) + { + if (This->mtype.pbFormat) + CoTaskMemFree(This->mtype.pbFormat); + CoTaskMemFree(This); + return 0; + } + return refCount; +} + +/* IUnknown */ +static HRESULT WINAPI +Single_IEnumMediaTypes_QueryInterface(IEnumMediaTypes *iface, REFIID riid, void **ppvObject) +{ + ME_Impl *This = (ME_Impl *)iface; + TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject); + + if (IsEqualIID(riid, &IID_IUnknown) || + IsEqualIID(riid, &IID_IEnumMediaTypes)) { + Single_IEnumMediaTypes_AddRef(iface); + *ppvObject = &(This->me); + return S_OK; + } + *ppvObject = NULL; + WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject); + return E_NOINTERFACE; +} + +/* IEnumMediaTypes */ +static HRESULT WINAPI +Single_IEnumMediaTypes_Next(IEnumMediaTypes *iface, ULONG nTypes, AM_MEDIA_TYPE **types, ULONG *fetched) +{ + ME_Impl *This = (ME_Impl *)iface; + ULONG count = 0; + TRACE("(%p)->(%u, %p, %p)\n", This, nTypes, types, fetched); + if (!nTypes) + return E_INVALIDARG; + if (!types || ((nTypes != 1) && !fetched)) + return E_POINTER; + if (!This->past) { + AM_MEDIA_TYPE *mtype = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE)); + *mtype = This->mtype; + if (mtype->cbFormat) { + mtype->pbFormat = CoTaskMemAlloc(mtype->cbFormat); + CopyMemory(mtype->pbFormat, This->mtype.pbFormat, mtype->cbFormat); + } + *types = mtype; + This->past = TRUE; + count = 1; + } + if (fetched) + *fetched = count; + return (count == nTypes) ? S_OK : S_FALSE; +} + +/* IEnumMediaTypes */ +static HRESULT WINAPI +Single_IEnumMediaTypes_Skip(IEnumMediaTypes *iface, ULONG nTypes) +{ + ME_Impl *This = (ME_Impl *)iface; + TRACE("(%p)->(%u)\n", This, nTypes); + if (nTypes) + This->past = TRUE; + return This->past ? S_FALSE : S_OK; +} + +/* IEnumMediaTypes */ +static HRESULT WINAPI +Single_IEnumMediaTypes_Reset(IEnumMediaTypes *iface) +{ + ME_Impl *This = (ME_Impl *)iface; + TRACE("(%p)->()\n", This); + This->past = FALSE; + return S_OK; +} + +/* IEnumMediaTypes */ +static HRESULT WINAPI +Single_IEnumMediaTypes_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **me) +{ + ME_Impl *This = (ME_Impl *)iface; + TRACE("(%p)->(%p)\n", This, me); + if (!me) + return E_POINTER; + *me = mediaenum_create(&This->mtype); + if (!*me) + return E_OUTOFMEMORY; + ((ME_Impl *)*me)->past = This->past; + return S_OK; +} + + +/* Virtual tables and constructor */ + +static const IEnumMediaTypesVtbl IEnumMediaTypes_VTable = +{ + Single_IEnumMediaTypes_QueryInterface, + Single_IEnumMediaTypes_AddRef, + Single_IEnumMediaTypes_Release, + Single_IEnumMediaTypes_Next, + Single_IEnumMediaTypes_Skip, + Single_IEnumMediaTypes_Reset, + Single_IEnumMediaTypes_Clone, +}; + +IEnumMediaTypes *mediaenum_create(AM_MEDIA_TYPE *mtype) +{ + ME_Impl *obj = CoTaskMemAlloc(sizeof(ME_Impl)); + if (obj) { + ZeroMemory(obj, sizeof(ME_Impl)); + obj->me.lpVtbl = &IEnumMediaTypes_VTable; + obj->refCount = 1; + obj->past = FALSE; + obj->mtype = *mtype; + obj->mtype.pUnk = NULL; + if (mtype->cbFormat) { + obj->mtype.pbFormat = CoTaskMemAlloc(mtype->cbFormat); + CopyMemory(obj->mtype.pbFormat, mtype->pbFormat, mtype->cbFormat); + } + else + obj->mtype.pbFormat = NULL; + } + return &obj->me; +} + + /* Sample Grabber pin implementation */ typedef struct _SG_Pin { const IPinVtbl* lpVtbl; @@ -1039,10 +1194,11 @@ static HRESULT WINAPI SampleGrabber_IPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **mtypes) { SG_Pin *This = (SG_Pin *)iface; - FIXME("(%p)->(%p): stub\n", This, mtypes); + TRACE("(%p)->(%p)\n", This, mtypes); if (!mtypes) return E_POINTER; - return E_OUTOFMEMORY; + *mtypes = mediaenum_create(&This->sg->mtype); + return *mtypes ? S_OK : E_OUTOFMEMORY; }
/* IPin - input pin */