1314 lines
38 KiB
C
1314 lines
38 KiB
C
/* DirectShow Sample Grabber object (QEDIT.DLL)
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*
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* Copyright 2009 Paul Chitescu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ole2.h"
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#include "qedit_private.h"
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#include "wine/debug.h"
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#include "wine/strmbase.h"
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WINE_DEFAULT_DEBUG_CHANNEL(qedit);
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static const WCHAR vendor_name[] = { 'W', 'i', 'n', 'e', 0 };
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static const WCHAR pin_in_name[] = { 'I', 'n', 0 };
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static const WCHAR pin_out_name[] = { 'O', 'u', 't', 0 };
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static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype, BOOL past);
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/* Single media type enumerator */
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typedef struct _ME_Impl {
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IEnumMediaTypes IEnumMediaTypes_iface;
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LONG refCount;
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BOOL past;
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AM_MEDIA_TYPE mtype;
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} ME_Impl;
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/* IEnumMediaTypes interface implementation */
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static inline ME_Impl *impl_from_IEnumMediaTypes(IEnumMediaTypes *iface)
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{
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return CONTAINING_RECORD(iface, ME_Impl, IEnumMediaTypes_iface);
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}
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static HRESULT WINAPI Single_IEnumMediaTypes_QueryInterface(IEnumMediaTypes *iface, REFIID riid,
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void **ret_iface)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ret_iface);
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if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IEnumMediaTypes)) {
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*ret_iface = iface;
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IEnumMediaTypes_AddRef(iface);
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return S_OK;
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}
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*ret_iface = NULL;
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WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ret_iface);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI Single_IEnumMediaTypes_AddRef(IEnumMediaTypes *iface)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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ULONG refCount = InterlockedIncrement(&This->refCount);
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TRACE("(%p) new ref = %u\n", This, refCount);
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return refCount;
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}
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static ULONG WINAPI Single_IEnumMediaTypes_Release(IEnumMediaTypes *iface)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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ULONG refCount = InterlockedDecrement(&This->refCount);
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TRACE("(%p) new ref = %u\n", This, refCount);
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if (refCount == 0)
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{
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if (This->mtype.pbFormat)
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CoTaskMemFree(This->mtype.pbFormat);
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CoTaskMemFree(This);
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}
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return refCount;
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}
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/* IEnumMediaTypes */
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static HRESULT WINAPI Single_IEnumMediaTypes_Next(IEnumMediaTypes *iface, ULONG nTypes,
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AM_MEDIA_TYPE **types, ULONG *fetched)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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ULONG count = 0;
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TRACE("(%p)->(%u, %p, %p)\n", This, nTypes, types, fetched);
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if (!nTypes)
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return E_INVALIDARG;
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if (!types || ((nTypes != 1) && !fetched))
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return E_POINTER;
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if (!This->past && !IsEqualGUID(&This->mtype.majortype,&GUID_NULL)) {
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AM_MEDIA_TYPE *mtype = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
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*mtype = This->mtype;
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if (mtype->cbFormat) {
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mtype->pbFormat = CoTaskMemAlloc(mtype->cbFormat);
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CopyMemory(mtype->pbFormat, This->mtype.pbFormat, mtype->cbFormat);
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}
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*types = mtype;
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This->past = TRUE;
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count = 1;
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}
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if (fetched)
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*fetched = count;
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return (count == nTypes) ? S_OK : S_FALSE;
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}
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static HRESULT WINAPI Single_IEnumMediaTypes_Skip(IEnumMediaTypes *iface, ULONG nTypes)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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TRACE("(%p)->(%u)\n", This, nTypes);
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if (nTypes)
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This->past = TRUE;
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return This->past ? S_FALSE : S_OK;
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}
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static HRESULT WINAPI Single_IEnumMediaTypes_Reset(IEnumMediaTypes *iface)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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TRACE("(%p)->()\n", This);
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This->past = FALSE;
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return S_OK;
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}
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static HRESULT WINAPI Single_IEnumMediaTypes_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **me)
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{
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ME_Impl *This = impl_from_IEnumMediaTypes(iface);
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TRACE("(%p)->(%p)\n", This, me);
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if (!me)
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return E_POINTER;
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*me = mediaenum_create(&This->mtype, This->past);
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if (!*me)
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return E_OUTOFMEMORY;
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return S_OK;
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}
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/* Virtual tables and constructor */
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static const IEnumMediaTypesVtbl IEnumMediaTypes_VTable =
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{
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Single_IEnumMediaTypes_QueryInterface,
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Single_IEnumMediaTypes_AddRef,
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Single_IEnumMediaTypes_Release,
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Single_IEnumMediaTypes_Next,
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Single_IEnumMediaTypes_Skip,
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Single_IEnumMediaTypes_Reset,
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Single_IEnumMediaTypes_Clone,
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};
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static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype, BOOL past)
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{
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ME_Impl *obj = CoTaskMemAlloc(sizeof(ME_Impl));
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if (!obj)
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return NULL;
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ZeroMemory(obj, sizeof(*obj));
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obj->IEnumMediaTypes_iface.lpVtbl = &IEnumMediaTypes_VTable;
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obj->refCount = 1;
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obj->past = past;
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if (mtype) {
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obj->mtype = *mtype;
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obj->mtype.pUnk = NULL;
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if (mtype->cbFormat) {
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obj->mtype.pbFormat = CoTaskMemAlloc(mtype->cbFormat);
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CopyMemory(obj->mtype.pbFormat, mtype->pbFormat, mtype->cbFormat);
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}
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else
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obj->mtype.pbFormat = NULL;
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}
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else
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obj->mtype.majortype = GUID_NULL;
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return &obj->IEnumMediaTypes_iface;
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}
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/* Sample Grabber pin implementation */
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typedef struct _SG_Pin {
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IPin IPin_iface;
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PIN_DIRECTION dir;
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WCHAR const *name;
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struct _SG_Impl *sg;
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IPin *pair;
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} SG_Pin;
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static inline SG_Pin *impl_from_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, SG_Pin, IPin_iface);
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}
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/* Sample Grabber filter implementation */
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typedef struct _SG_Impl {
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IUnknown IUnknown_inner;
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BaseFilter filter;
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ISampleGrabber ISampleGrabber_iface;
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/* IMediaSeeking and IMediaPosition are implemented by ISeekingPassThru */
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IUnknown* seekthru_unk;
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IUnknown *outer_unk;
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AM_MEDIA_TYPE mtype;
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SG_Pin pin_in;
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SG_Pin pin_out;
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IMemInputPin IMemInputPin_iface;
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IMemAllocator *allocator;
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IMemInputPin *memOutput;
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ISampleGrabberCB *grabberIface;
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LONG grabberMethod;
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LONG oneShot;
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LONG bufferLen;
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void* bufferData;
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} SG_Impl;
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enum {
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OneShot_None,
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OneShot_Wait,
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OneShot_Past,
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};
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static inline SG_Impl *impl_from_IUnknown(IUnknown *iface)
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{
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return CONTAINING_RECORD(iface, SG_Impl, IUnknown_inner);
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}
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static inline SG_Impl *impl_from_BaseFilter(BaseFilter *iface)
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{
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return CONTAINING_RECORD(iface, SG_Impl, filter);
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}
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static inline SG_Impl *impl_from_IBaseFilter(IBaseFilter *iface)
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{
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return CONTAINING_RECORD(iface, SG_Impl, filter.IBaseFilter_iface);
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}
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static inline SG_Impl *impl_from_ISampleGrabber(ISampleGrabber *iface)
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{
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return CONTAINING_RECORD(iface, SG_Impl, ISampleGrabber_iface);
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}
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static inline SG_Impl *impl_from_IMemInputPin(IMemInputPin *iface)
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{
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return CONTAINING_RECORD(iface, SG_Impl, IMemInputPin_iface);
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}
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/* Cleanup at end of life */
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static void SampleGrabber_cleanup(SG_Impl *This)
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{
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TRACE("(%p)\n", This);
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if (This->filter.filterInfo.pGraph)
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WARN("(%p) still joined to filter graph %p\n", This, This->filter.filterInfo.pGraph);
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if (This->allocator)
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IMemAllocator_Release(This->allocator);
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if (This->memOutput)
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IMemInputPin_Release(This->memOutput);
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if (This->grabberIface)
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ISampleGrabberCB_Release(This->grabberIface);
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if (This->mtype.pbFormat)
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CoTaskMemFree(This->mtype.pbFormat);
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if (This->bufferData)
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CoTaskMemFree(This->bufferData);
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if(This->seekthru_unk)
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IUnknown_Release(This->seekthru_unk);
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}
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/* SampleGrabber inner IUnknown */
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static HRESULT WINAPI SampleGrabber_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
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{
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SG_Impl *This = impl_from_IUnknown(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
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*ppv = NULL;
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if (IsEqualIID(riid, &IID_IUnknown))
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*ppv = &This->IUnknown_inner;
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else if (IsEqualIID(riid, &IID_IPersist) || IsEqualIID(riid, &IID_IMediaFilter) ||
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IsEqualIID(riid, &IID_IBaseFilter))
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*ppv = &This->filter.IBaseFilter_iface;
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else if (IsEqualIID(riid, &IID_ISampleGrabber))
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*ppv = &This->ISampleGrabber_iface;
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else if (IsEqualIID(riid, &IID_IMediaPosition))
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return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
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else if (IsEqualIID(riid, &IID_IMediaSeeking))
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return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
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else
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WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppv);
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if (!*ppv)
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI SampleGrabber_AddRef(IUnknown *iface)
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{
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SG_Impl *This = impl_from_IUnknown(iface);
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ULONG ref = BaseFilterImpl_AddRef(&This->filter.IBaseFilter_iface);
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TRACE("(%p) ref=%d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI SampleGrabber_Release(IUnknown *iface)
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{
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SG_Impl *This = impl_from_IUnknown(iface);
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ULONG ref = BaseFilterImpl_Release(&This->filter.IBaseFilter_iface);
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TRACE("(%p) ref=%d\n", This, ref);
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if (ref == 0)
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{
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SampleGrabber_cleanup(This);
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CoTaskMemFree(This);
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}
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return ref;
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}
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static const IUnknownVtbl samplegrabber_vtbl =
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{
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SampleGrabber_QueryInterface,
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SampleGrabber_AddRef,
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SampleGrabber_Release,
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};
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static IPin *WINAPI SampleGrabber_GetPin(BaseFilter *iface, int pos)
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{
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SG_Impl *This = impl_from_BaseFilter(iface);
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IPin *pin;
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if (pos == 0)
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pin = &This->pin_in.IPin_iface;
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else if (pos == 1)
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pin = &This->pin_out.IPin_iface;
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else
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return NULL;
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IPin_AddRef(pin);
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return pin;
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}
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static LONG WINAPI SampleGrabber_GetPinCount(BaseFilter *iface)
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{
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return 2;
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}
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static const BaseFilterFuncTable basefunc_vtbl = {
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SampleGrabber_GetPin,
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SampleGrabber_GetPinCount
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};
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/* Helper that buffers data and/or calls installed sample callbacks */
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static void SampleGrabber_callback(SG_Impl *This, IMediaSample *sample)
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{
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double time = 0.0;
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REFERENCE_TIME tStart, tEnd;
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if (This->bufferLen >= 0) {
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BYTE *data = 0;
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LONG size = IMediaSample_GetActualDataLength(sample);
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if (size >= 0 && SUCCEEDED(IMediaSample_GetPointer(sample, &data))) {
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if (!data)
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size = 0;
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EnterCriticalSection(&This->filter.csFilter);
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if (This->bufferLen != size) {
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if (This->bufferData)
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CoTaskMemFree(This->bufferData);
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This->bufferData = size ? CoTaskMemAlloc(size) : NULL;
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This->bufferLen = size;
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}
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if (size)
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CopyMemory(This->bufferData, data, size);
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LeaveCriticalSection(&This->filter.csFilter);
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}
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}
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if (!This->grabberIface)
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return;
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if (SUCCEEDED(IMediaSample_GetTime(sample, &tStart, &tEnd)))
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time = 1e-7 * tStart;
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switch (This->grabberMethod) {
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case 0:
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{
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ULONG ref = IMediaSample_AddRef(sample);
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ISampleGrabberCB_SampleCB(This->grabberIface, time, sample);
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ref = IMediaSample_Release(sample) + 1 - ref;
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if (ref)
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{
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ERR("(%p) Callback referenced sample %p by %u\n", This, sample, ref);
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/* ugly as hell but some apps are sooo buggy */
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while (ref--)
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IMediaSample_Release(sample);
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}
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}
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break;
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case 1:
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{
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BYTE *data = 0;
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LONG size = IMediaSample_GetActualDataLength(sample);
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if (size && SUCCEEDED(IMediaSample_GetPointer(sample, &data)) && data)
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ISampleGrabberCB_BufferCB(This->grabberIface, time, data, size);
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}
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break;
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case -1:
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break;
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default:
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FIXME("unsupported method %d\n", This->grabberMethod);
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/* do not bother us again */
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This->grabberMethod = -1;
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}
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}
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/* SampleGrabber implementation of IBaseFilter interface */
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/* IUnknown */
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static HRESULT WINAPI
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SampleGrabber_IBaseFilter_QueryInterface(IBaseFilter *iface, REFIID riid, void **ppv)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
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}
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/* IUnknown */
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static ULONG WINAPI
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SampleGrabber_IBaseFilter_AddRef(IBaseFilter *iface)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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return IUnknown_AddRef(This->outer_unk);
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}
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/* IUnknown */
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static ULONG WINAPI
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SampleGrabber_IBaseFilter_Release(IBaseFilter *iface)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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return IUnknown_Release(This->outer_unk);
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}
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/* IMediaFilter */
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static HRESULT WINAPI
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SampleGrabber_IBaseFilter_Stop(IBaseFilter *iface)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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TRACE("(%p)\n", This);
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This->filter.state = State_Stopped;
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return S_OK;
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}
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/* IMediaFilter */
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static HRESULT WINAPI
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SampleGrabber_IBaseFilter_Pause(IBaseFilter *iface)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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TRACE("(%p)\n", This);
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This->filter.state = State_Paused;
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return S_OK;
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}
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/* IMediaFilter */
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static HRESULT WINAPI
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SampleGrabber_IBaseFilter_Run(IBaseFilter *iface, REFERENCE_TIME tStart)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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TRACE("(%p)\n", This);
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This->filter.state = State_Running;
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return S_OK;
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}
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|
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/* IBaseFilter */
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static HRESULT WINAPI
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SampleGrabber_IBaseFilter_FindPin(IBaseFilter *iface, LPCWSTR id, IPin **pin)
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{
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SG_Impl *This = impl_from_IBaseFilter(iface);
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TRACE("(%p)->(%s, %p)\n", This, debugstr_w(id), pin);
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if (!id || !pin)
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return E_POINTER;
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if (!lstrcmpiW(id,pin_in_name))
|
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{
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*pin = &This->pin_in.IPin_iface;
|
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IPin_AddRef(*pin);
|
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return S_OK;
|
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}
|
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else if (!lstrcmpiW(id,pin_out_name))
|
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{
|
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*pin = &This->pin_out.IPin_iface;
|
|
IPin_AddRef(*pin);
|
|
return S_OK;
|
|
}
|
|
*pin = NULL;
|
|
return VFW_E_NOT_FOUND;
|
|
}
|
|
|
|
/* IBaseFilter */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IBaseFilter_JoinFilterGraph(IBaseFilter *iface, IFilterGraph *graph, LPCWSTR name)
|
|
{
|
|
SG_Impl *This = impl_from_IBaseFilter(iface);
|
|
|
|
TRACE("(%p)->(%p, %s)\n", This, graph, debugstr_w(name));
|
|
|
|
BaseFilterImpl_JoinFilterGraph(iface, graph, name);
|
|
This->oneShot = OneShot_None;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
/* IBaseFilter */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IBaseFilter_QueryVendorInfo(IBaseFilter *iface, LPWSTR *vendor)
|
|
{
|
|
TRACE("(%p)\n", vendor);
|
|
if (!vendor)
|
|
return E_POINTER;
|
|
*vendor = CoTaskMemAlloc(sizeof(vendor_name));
|
|
CopyMemory(*vendor, vendor_name, sizeof(vendor_name));
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
/* SampleGrabber implementation of ISampleGrabber interface */
|
|
|
|
/* IUnknown */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_QueryInterface(ISampleGrabber *iface, REFIID riid, void **ppv)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_ISampleGrabber_AddRef(ISampleGrabber *iface)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
return IUnknown_AddRef(This->outer_unk);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_ISampleGrabber_Release(ISampleGrabber *iface)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
return IUnknown_Release(This->outer_unk);
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_SetOneShot(ISampleGrabber *iface, BOOL oneShot)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
TRACE("(%p)->(%u)\n", This, oneShot);
|
|
This->oneShot = oneShot ? OneShot_Wait : OneShot_None;
|
|
return S_OK;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_SetMediaType(ISampleGrabber *iface, const AM_MEDIA_TYPE *type)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
TRACE("(%p)->(%p)\n", This, type);
|
|
if (!type)
|
|
return E_POINTER;
|
|
TRACE("Media type: %s/%s ssize: %u format: %s (%u bytes)\n",
|
|
debugstr_guid(&type->majortype), debugstr_guid(&type->subtype),
|
|
type->lSampleSize,
|
|
debugstr_guid(&type->formattype), type->cbFormat);
|
|
if (This->mtype.pbFormat)
|
|
CoTaskMemFree(This->mtype.pbFormat);
|
|
This->mtype = *type;
|
|
This->mtype.pUnk = NULL;
|
|
if (type->cbFormat) {
|
|
This->mtype.pbFormat = CoTaskMemAlloc(type->cbFormat);
|
|
CopyMemory(This->mtype.pbFormat, type->pbFormat, type->cbFormat);
|
|
}
|
|
else
|
|
This->mtype.pbFormat = NULL;
|
|
return S_OK;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_GetConnectedMediaType(ISampleGrabber *iface, AM_MEDIA_TYPE *type)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
TRACE("(%p)->(%p)\n", This, type);
|
|
if (!type)
|
|
return E_POINTER;
|
|
if (!This->pin_in.pair)
|
|
return VFW_E_NOT_CONNECTED;
|
|
*type = This->mtype;
|
|
if (type->cbFormat) {
|
|
type->pbFormat = CoTaskMemAlloc(type->cbFormat);
|
|
CopyMemory(type->pbFormat, This->mtype.pbFormat, type->cbFormat);
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_SetBufferSamples(ISampleGrabber *iface, BOOL bufferEm)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
TRACE("(%p)->(%u)\n", This, bufferEm);
|
|
EnterCriticalSection(&This->filter.csFilter);
|
|
if (bufferEm) {
|
|
if (This->bufferLen < 0)
|
|
This->bufferLen = 0;
|
|
}
|
|
else
|
|
This->bufferLen = -1;
|
|
LeaveCriticalSection(&This->filter.csFilter);
|
|
return S_OK;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_GetCurrentBuffer(ISampleGrabber *iface, LONG *bufSize, LONG *buffer)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
HRESULT ret = S_OK;
|
|
TRACE("(%p)->(%p, %p)\n", This, bufSize, buffer);
|
|
if (!bufSize)
|
|
return E_POINTER;
|
|
EnterCriticalSection(&This->filter.csFilter);
|
|
if (!This->pin_in.pair)
|
|
ret = VFW_E_NOT_CONNECTED;
|
|
else if (This->bufferLen < 0)
|
|
ret = E_INVALIDARG;
|
|
else if (This->bufferLen == 0)
|
|
ret = VFW_E_WRONG_STATE;
|
|
else {
|
|
if (buffer) {
|
|
if (*bufSize >= This->bufferLen)
|
|
CopyMemory(buffer, This->bufferData, This->bufferLen);
|
|
else
|
|
ret = E_OUTOFMEMORY;
|
|
}
|
|
*bufSize = This->bufferLen;
|
|
}
|
|
LeaveCriticalSection(&This->filter.csFilter);
|
|
return ret;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_GetCurrentSample(ISampleGrabber *iface, IMediaSample **sample)
|
|
{
|
|
/* MS doesn't implement it either, no one should call it */
|
|
WARN("(%p): not implemented\n", sample);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* ISampleGrabber */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_ISampleGrabber_SetCallback(ISampleGrabber *iface, ISampleGrabberCB *cb, LONG whichMethod)
|
|
{
|
|
SG_Impl *This = impl_from_ISampleGrabber(iface);
|
|
TRACE("(%p)->(%p, %u)\n", This, cb, whichMethod);
|
|
if (This->grabberIface)
|
|
ISampleGrabberCB_Release(This->grabberIface);
|
|
This->grabberIface = cb;
|
|
This->grabberMethod = whichMethod;
|
|
if (cb)
|
|
ISampleGrabberCB_AddRef(cb);
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
/* SampleGrabber implementation of IMemInputPin interface */
|
|
|
|
/* IUnknown */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_QueryInterface(IMemInputPin *iface, REFIID riid, void **ppv)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_IMemInputPin_AddRef(IMemInputPin *iface)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
return IUnknown_AddRef(This->outer_unk);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_IMemInputPin_Release(IMemInputPin *iface)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
return IUnknown_Release(This->outer_unk);
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_GetAllocator(IMemInputPin *iface, IMemAllocator **allocator)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
TRACE("(%p)->(%p) allocator = %p\n", This, allocator, This->allocator);
|
|
if (!allocator)
|
|
return E_POINTER;
|
|
*allocator = This->allocator;
|
|
if (!*allocator)
|
|
return VFW_E_NO_ALLOCATOR;
|
|
IMemAllocator_AddRef(*allocator);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_NotifyAllocator(IMemInputPin *iface, IMemAllocator *allocator, BOOL readOnly)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
TRACE("(%p)->(%p, %u) allocator = %p\n", This, allocator, readOnly, This->allocator);
|
|
if (This->allocator == allocator)
|
|
return S_OK;
|
|
if (This->allocator)
|
|
IMemAllocator_Release(This->allocator);
|
|
This->allocator = allocator;
|
|
if (allocator)
|
|
IMemAllocator_AddRef(allocator);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_GetAllocatorRequirements(IMemInputPin *iface, ALLOCATOR_PROPERTIES *props)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
FIXME("(%p)->(%p): semi-stub\n", This, props);
|
|
if (!props)
|
|
return E_POINTER;
|
|
return This->memOutput ? IMemInputPin_GetAllocatorRequirements(This->memOutput, props) : E_NOTIMPL;
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_Receive(IMemInputPin *iface, IMediaSample *sample)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
HRESULT hr;
|
|
TRACE("(%p)->(%p) output = %p, grabber = %p\n", This, sample, This->memOutput, This->grabberIface);
|
|
if (!sample)
|
|
return E_POINTER;
|
|
if (This->oneShot == OneShot_Past)
|
|
return S_FALSE;
|
|
SampleGrabber_callback(This, sample);
|
|
hr = This->memOutput ? IMemInputPin_Receive(This->memOutput, sample) : S_OK;
|
|
if (This->oneShot == OneShot_Wait) {
|
|
This->oneShot = OneShot_Past;
|
|
hr = S_FALSE;
|
|
if (This->pin_out.pair)
|
|
IPin_EndOfStream(This->pin_out.pair);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_ReceiveMultiple(IMemInputPin *iface, IMediaSample **samples, LONG nSamples, LONG *nProcessed)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
LONG idx;
|
|
TRACE("(%p)->(%p, %u, %p) output = %p, grabber = %p\n", This, samples, nSamples, nProcessed, This->memOutput, This->grabberIface);
|
|
if (!samples || !nProcessed)
|
|
return E_POINTER;
|
|
if ((This->filter.state != State_Running) || (This->oneShot == OneShot_Past))
|
|
return S_FALSE;
|
|
for (idx = 0; idx < nSamples; idx++)
|
|
SampleGrabber_callback(This, samples[idx]);
|
|
return This->memOutput ? IMemInputPin_ReceiveMultiple(This->memOutput, samples, nSamples, nProcessed) : S_OK;
|
|
}
|
|
|
|
/* IMemInputPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IMemInputPin_ReceiveCanBlock(IMemInputPin *iface)
|
|
{
|
|
SG_Impl *This = impl_from_IMemInputPin(iface);
|
|
TRACE("(%p)\n", This);
|
|
return This->memOutput ? IMemInputPin_ReceiveCanBlock(This->memOutput) : S_OK;
|
|
}
|
|
|
|
|
|
/* SampleGrabber member pin implementation */
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_IPin_AddRef(IPin *iface)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
return ISampleGrabber_AddRef(&This->sg->ISampleGrabber_iface);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static ULONG WINAPI
|
|
SampleGrabber_IPin_Release(IPin *iface)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
return ISampleGrabber_Release(&This->sg->ISampleGrabber_iface);
|
|
}
|
|
|
|
/* IUnknown */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_QueryInterface(IPin *iface, REFIID riid, void **ppv)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
|
|
|
|
*ppv = NULL;
|
|
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IPin))
|
|
*ppv = iface;
|
|
else if (IsEqualIID(riid, &IID_IMemInputPin))
|
|
*ppv = &This->sg->IMemInputPin_iface;
|
|
else if (IsEqualIID(riid, &IID_IMediaSeeking))
|
|
return IUnknown_QueryInterface(&This->sg->IUnknown_inner, riid, ppv);
|
|
else if (IsEqualIID(riid, &IID_IMediaPosition))
|
|
return IUnknown_QueryInterface(&This->sg->IUnknown_inner, riid, ppv);
|
|
else {
|
|
WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppv);
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IUnknown_AddRef((IUnknown*)*ppv);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin - input pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_In_IPin_Connect(IPin *iface, IPin *receiver, const AM_MEDIA_TYPE *mtype)
|
|
{
|
|
WARN("(%p, %p): unexpected\n", receiver, mtype);
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
/* IPin - output pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_Out_IPin_Connect(IPin *iface, IPin *receiver, const AM_MEDIA_TYPE *type)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%p, %p)\n", This, receiver, type);
|
|
if (!receiver)
|
|
return E_POINTER;
|
|
if (This->pair)
|
|
return VFW_E_ALREADY_CONNECTED;
|
|
if (This->sg->filter.state != State_Stopped)
|
|
return VFW_E_NOT_STOPPED;
|
|
if (type) {
|
|
TRACE("Media type: %s/%s ssize: %u format: %s (%u bytes)\n",
|
|
debugstr_guid(&type->majortype), debugstr_guid(&type->subtype),
|
|
type->lSampleSize,
|
|
debugstr_guid(&type->formattype), type->cbFormat);
|
|
if (!IsEqualGUID(&This->sg->mtype.majortype,&GUID_NULL) &&
|
|
!IsEqualGUID(&This->sg->mtype.majortype,&type->majortype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
if (!IsEqualGUID(&This->sg->mtype.subtype,&MEDIASUBTYPE_None) &&
|
|
!IsEqualGUID(&This->sg->mtype.subtype,&type->subtype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
if (!IsEqualGUID(&This->sg->mtype.formattype,&GUID_NULL) &&
|
|
!IsEqualGUID(&This->sg->mtype.formattype,&FORMAT_None) &&
|
|
!IsEqualGUID(&This->sg->mtype.formattype,&type->formattype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
}
|
|
else
|
|
type = &This->sg->mtype;
|
|
if (!IsEqualGUID(&type->formattype, &FORMAT_None) &&
|
|
!IsEqualGUID(&type->formattype, &GUID_NULL) &&
|
|
!type->pbFormat)
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
hr = IPin_ReceiveConnection(receiver, &This->IPin_iface, type);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
This->pair = receiver;
|
|
if (This->sg->memOutput) {
|
|
IMemInputPin_Release(This->sg->memOutput);
|
|
This->sg->memOutput = NULL;
|
|
}
|
|
IPin_QueryInterface(receiver,&IID_IMemInputPin,(void **)&(This->sg->memOutput));
|
|
TRACE("(%p) Accepted IPin %p, IMemInputPin %p\n", This, receiver, This->sg->memOutput);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin - input pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_In_IPin_ReceiveConnection(IPin *iface, IPin *connector, const AM_MEDIA_TYPE *type)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p, %p)\n", This, connector, type);
|
|
if (!connector)
|
|
return E_POINTER;
|
|
if (This->pair)
|
|
return VFW_E_ALREADY_CONNECTED;
|
|
if (This->sg->filter.state != State_Stopped)
|
|
return VFW_E_NOT_STOPPED;
|
|
if (type) {
|
|
TRACE("Media type: %s/%s ssize: %u format: %s (%u bytes)\n",
|
|
debugstr_guid(&type->majortype), debugstr_guid(&type->subtype),
|
|
type->lSampleSize,
|
|
debugstr_guid(&type->formattype), type->cbFormat);
|
|
if (!IsEqualGUID(&type->formattype, &FORMAT_None) &&
|
|
!IsEqualGUID(&type->formattype, &GUID_NULL) &&
|
|
!type->pbFormat)
|
|
return VFW_E_INVALIDMEDIATYPE;
|
|
if (!IsEqualGUID(&This->sg->mtype.majortype,&GUID_NULL) &&
|
|
!IsEqualGUID(&This->sg->mtype.majortype,&type->majortype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
if (!IsEqualGUID(&This->sg->mtype.subtype,&MEDIASUBTYPE_None) &&
|
|
!IsEqualGUID(&This->sg->mtype.subtype,&type->subtype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
if (!IsEqualGUID(&This->sg->mtype.formattype,&GUID_NULL) &&
|
|
!IsEqualGUID(&This->sg->mtype.formattype,&FORMAT_None) &&
|
|
!IsEqualGUID(&This->sg->mtype.formattype,&type->formattype))
|
|
return VFW_E_TYPE_NOT_ACCEPTED;
|
|
if (This->sg->mtype.pbFormat)
|
|
CoTaskMemFree(This->sg->mtype.pbFormat);
|
|
This->sg->mtype = *type;
|
|
This->sg->mtype.pUnk = NULL;
|
|
if (type->cbFormat) {
|
|
This->sg->mtype.pbFormat = CoTaskMemAlloc(type->cbFormat);
|
|
CopyMemory(This->sg->mtype.pbFormat, type->pbFormat, type->cbFormat);
|
|
}
|
|
else
|
|
This->sg->mtype.pbFormat = NULL;
|
|
}
|
|
This->pair = connector;
|
|
TRACE("(%p) Accepted IPin %p\n", This, connector);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin - output pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_Out_IPin_ReceiveConnection(IPin *iface, IPin *connector, const AM_MEDIA_TYPE *mtype)
|
|
{
|
|
WARN("(%p, %p): unexpected\n", connector, mtype);
|
|
return E_UNEXPECTED;
|
|
}
|
|
|
|
/* IPin - input pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_In_IPin_Disconnect(IPin *iface)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->() pair = %p\n", This, This->pair);
|
|
if (This->sg->filter.state != State_Stopped)
|
|
return VFW_E_NOT_STOPPED;
|
|
if (This->pair) {
|
|
This->pair = NULL;
|
|
return S_OK;
|
|
}
|
|
return S_FALSE;
|
|
}
|
|
|
|
/* IPin - output pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_Out_IPin_Disconnect(IPin *iface)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->() pair = %p\n", This, This->pair);
|
|
if (This->sg->filter.state != State_Stopped)
|
|
return VFW_E_NOT_STOPPED;
|
|
if (This->pair) {
|
|
This->pair = NULL;
|
|
if (This->sg->memOutput) {
|
|
IMemInputPin_Release(This->sg->memOutput);
|
|
This->sg->memOutput = NULL;
|
|
}
|
|
return S_OK;
|
|
}
|
|
return S_FALSE;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_ConnectedTo(IPin *iface, IPin **pin)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p) pair = %p\n", This, pin, This->pair);
|
|
if (!pin)
|
|
return E_POINTER;
|
|
*pin = This->pair;
|
|
if (*pin) {
|
|
IPin_AddRef(*pin);
|
|
return S_OK;
|
|
}
|
|
return VFW_E_NOT_CONNECTED;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *mtype)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, mtype);
|
|
if (!mtype)
|
|
return E_POINTER;
|
|
if (!This->pair)
|
|
return VFW_E_NOT_CONNECTED;
|
|
*mtype = This->sg->mtype;
|
|
if (mtype->cbFormat) {
|
|
mtype->pbFormat = CoTaskMemAlloc(mtype->cbFormat);
|
|
CopyMemory(mtype->pbFormat, This->sg->mtype.pbFormat, mtype->cbFormat);
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_QueryPinInfo(IPin *iface, PIN_INFO *info)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, info);
|
|
if (!info)
|
|
return E_POINTER;
|
|
info->pFilter = &This->sg->filter.IBaseFilter_iface;
|
|
IBaseFilter_AddRef(info->pFilter);
|
|
info->dir = This->dir;
|
|
lstrcpynW(info->achName,This->name,MAX_PIN_NAME);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_QueryDirection(IPin *iface, PIN_DIRECTION *dir)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, dir);
|
|
if (!dir)
|
|
return E_POINTER;
|
|
*dir = This->dir;
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_QueryId(IPin *iface, LPWSTR *id)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
int len;
|
|
TRACE("(%p)->(%p)\n", This, id);
|
|
if (!id)
|
|
return E_POINTER;
|
|
len = sizeof(WCHAR)*(1+lstrlenW(This->name));
|
|
*id = CoTaskMemAlloc(len);
|
|
CopyMemory(*id, This->name, len);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *mtype)
|
|
{
|
|
TRACE("(%p)\n", mtype);
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_EnumMediaTypes(IPin *iface, IEnumMediaTypes **mtypes)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", This, mtypes);
|
|
if (!mtypes)
|
|
return E_POINTER;
|
|
*mtypes = mediaenum_create(This->sg->pin_in.pair ? &This->sg->mtype : NULL, FALSE);
|
|
return *mtypes ? S_OK : E_OUTOFMEMORY;
|
|
}
|
|
|
|
/* IPin - input pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_In_IPin_QueryInternalConnections(IPin *iface, IPin **pins, ULONG *nPins)
|
|
{
|
|
SG_Pin *This = impl_from_IPin(iface);
|
|
|
|
TRACE("(%p)->(%p, %p) size = %u\n", This, pins, nPins, (nPins ? *nPins : 0));
|
|
if (!nPins)
|
|
return E_POINTER;
|
|
if (*nPins) {
|
|
if (!pins)
|
|
return E_POINTER;
|
|
IPin_AddRef(&This->sg->pin_out.IPin_iface);
|
|
*pins = &This->sg->pin_out.IPin_iface;
|
|
*nPins = 1;
|
|
return S_OK;
|
|
}
|
|
*nPins = 1;
|
|
return S_FALSE;
|
|
}
|
|
|
|
/* IPin - output pin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_Out_IPin_QueryInternalConnections(IPin *iface, IPin **pins, ULONG *nPins)
|
|
{
|
|
WARN("(%p, %p): unexpected\n", pins, nPins);
|
|
if (nPins)
|
|
*nPins = 0;
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_EndOfStream(IPin *iface)
|
|
{
|
|
FIXME(": stub\n");
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_BeginFlush(IPin *iface)
|
|
{
|
|
FIXME(": stub\n");
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_EndFlush(IPin *iface)
|
|
{
|
|
FIXME(": stub\n");
|
|
return S_OK;
|
|
}
|
|
|
|
/* IPin */
|
|
static HRESULT WINAPI
|
|
SampleGrabber_IPin_NewSegment(IPin *iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double rate)
|
|
{
|
|
FIXME(": stub\n");
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
/* SampleGrabber vtables and constructor */
|
|
|
|
static const IBaseFilterVtbl IBaseFilter_VTable =
|
|
{
|
|
SampleGrabber_IBaseFilter_QueryInterface,
|
|
SampleGrabber_IBaseFilter_AddRef,
|
|
SampleGrabber_IBaseFilter_Release,
|
|
BaseFilterImpl_GetClassID,
|
|
SampleGrabber_IBaseFilter_Stop,
|
|
SampleGrabber_IBaseFilter_Pause,
|
|
SampleGrabber_IBaseFilter_Run,
|
|
BaseFilterImpl_GetState,
|
|
BaseFilterImpl_SetSyncSource,
|
|
BaseFilterImpl_GetSyncSource,
|
|
BaseFilterImpl_EnumPins,
|
|
SampleGrabber_IBaseFilter_FindPin,
|
|
BaseFilterImpl_QueryFilterInfo,
|
|
SampleGrabber_IBaseFilter_JoinFilterGraph,
|
|
SampleGrabber_IBaseFilter_QueryVendorInfo,
|
|
};
|
|
|
|
static const ISampleGrabberVtbl ISampleGrabber_VTable =
|
|
{
|
|
SampleGrabber_ISampleGrabber_QueryInterface,
|
|
SampleGrabber_ISampleGrabber_AddRef,
|
|
SampleGrabber_ISampleGrabber_Release,
|
|
SampleGrabber_ISampleGrabber_SetOneShot,
|
|
SampleGrabber_ISampleGrabber_SetMediaType,
|
|
SampleGrabber_ISampleGrabber_GetConnectedMediaType,
|
|
SampleGrabber_ISampleGrabber_SetBufferSamples,
|
|
SampleGrabber_ISampleGrabber_GetCurrentBuffer,
|
|
SampleGrabber_ISampleGrabber_GetCurrentSample,
|
|
SampleGrabber_ISampleGrabber_SetCallback,
|
|
};
|
|
|
|
static const IMemInputPinVtbl IMemInputPin_VTable =
|
|
{
|
|
SampleGrabber_IMemInputPin_QueryInterface,
|
|
SampleGrabber_IMemInputPin_AddRef,
|
|
SampleGrabber_IMemInputPin_Release,
|
|
SampleGrabber_IMemInputPin_GetAllocator,
|
|
SampleGrabber_IMemInputPin_NotifyAllocator,
|
|
SampleGrabber_IMemInputPin_GetAllocatorRequirements,
|
|
SampleGrabber_IMemInputPin_Receive,
|
|
SampleGrabber_IMemInputPin_ReceiveMultiple,
|
|
SampleGrabber_IMemInputPin_ReceiveCanBlock,
|
|
};
|
|
|
|
static const IPinVtbl IPin_In_VTable =
|
|
{
|
|
SampleGrabber_IPin_QueryInterface,
|
|
SampleGrabber_IPin_AddRef,
|
|
SampleGrabber_IPin_Release,
|
|
SampleGrabber_In_IPin_Connect,
|
|
SampleGrabber_In_IPin_ReceiveConnection,
|
|
SampleGrabber_In_IPin_Disconnect,
|
|
SampleGrabber_IPin_ConnectedTo,
|
|
SampleGrabber_IPin_ConnectionMediaType,
|
|
SampleGrabber_IPin_QueryPinInfo,
|
|
SampleGrabber_IPin_QueryDirection,
|
|
SampleGrabber_IPin_QueryId,
|
|
SampleGrabber_IPin_QueryAccept,
|
|
SampleGrabber_IPin_EnumMediaTypes,
|
|
SampleGrabber_In_IPin_QueryInternalConnections,
|
|
SampleGrabber_IPin_EndOfStream,
|
|
SampleGrabber_IPin_BeginFlush,
|
|
SampleGrabber_IPin_EndFlush,
|
|
SampleGrabber_IPin_NewSegment,
|
|
};
|
|
|
|
static const IPinVtbl IPin_Out_VTable =
|
|
{
|
|
SampleGrabber_IPin_QueryInterface,
|
|
SampleGrabber_IPin_AddRef,
|
|
SampleGrabber_IPin_Release,
|
|
SampleGrabber_Out_IPin_Connect,
|
|
SampleGrabber_Out_IPin_ReceiveConnection,
|
|
SampleGrabber_Out_IPin_Disconnect,
|
|
SampleGrabber_IPin_ConnectedTo,
|
|
SampleGrabber_IPin_ConnectionMediaType,
|
|
SampleGrabber_IPin_QueryPinInfo,
|
|
SampleGrabber_IPin_QueryDirection,
|
|
SampleGrabber_IPin_QueryId,
|
|
SampleGrabber_IPin_QueryAccept,
|
|
SampleGrabber_IPin_EnumMediaTypes,
|
|
SampleGrabber_Out_IPin_QueryInternalConnections,
|
|
SampleGrabber_IPin_EndOfStream,
|
|
SampleGrabber_IPin_BeginFlush,
|
|
SampleGrabber_IPin_EndFlush,
|
|
SampleGrabber_IPin_NewSegment,
|
|
};
|
|
|
|
HRESULT SampleGrabber_create(IUnknown *pUnkOuter, LPVOID *ppv)
|
|
{
|
|
SG_Impl* obj = NULL;
|
|
ISeekingPassThru *passthru;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p,%p)\n", pUnkOuter, ppv);
|
|
|
|
obj = CoTaskMemAlloc(sizeof(SG_Impl));
|
|
if (NULL == obj) {
|
|
*ppv = NULL;
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
ZeroMemory(obj, sizeof(SG_Impl));
|
|
|
|
BaseFilter_Init(&obj->filter, &IBaseFilter_VTable, &CLSID_SampleGrabber,
|
|
(DWORD_PTR)(__FILE__ ": SG_Impl.csFilter"), &basefunc_vtbl);
|
|
obj->IUnknown_inner.lpVtbl = &samplegrabber_vtbl;
|
|
obj->ISampleGrabber_iface.lpVtbl = &ISampleGrabber_VTable;
|
|
obj->IMemInputPin_iface.lpVtbl = &IMemInputPin_VTable;
|
|
obj->pin_in.IPin_iface.lpVtbl = &IPin_In_VTable;
|
|
obj->pin_in.dir = PINDIR_INPUT;
|
|
obj->pin_in.name = pin_in_name;
|
|
obj->pin_in.sg = obj;
|
|
obj->pin_in.pair = NULL;
|
|
obj->pin_out.IPin_iface.lpVtbl = &IPin_Out_VTable;
|
|
obj->pin_out.dir = PINDIR_OUTPUT;
|
|
obj->pin_out.name = pin_out_name;
|
|
obj->pin_out.sg = obj;
|
|
obj->pin_out.pair = NULL;
|
|
obj->mtype.majortype = GUID_NULL;
|
|
obj->mtype.subtype = MEDIASUBTYPE_None;
|
|
obj->mtype.formattype = FORMAT_None;
|
|
obj->allocator = NULL;
|
|
obj->memOutput = NULL;
|
|
obj->grabberIface = NULL;
|
|
obj->grabberMethod = -1;
|
|
obj->oneShot = OneShot_None;
|
|
obj->bufferLen = -1;
|
|
obj->bufferData = NULL;
|
|
|
|
if (pUnkOuter)
|
|
obj->outer_unk = pUnkOuter;
|
|
else
|
|
obj->outer_unk = &obj->IUnknown_inner;
|
|
|
|
hr = CoCreateInstance(&CLSID_SeekingPassThru, &obj->IUnknown_inner, CLSCTX_INPROC_SERVER,
|
|
&IID_IUnknown, (void**)&obj->seekthru_unk);
|
|
if(hr)
|
|
return hr;
|
|
IUnknown_QueryInterface(obj->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
|
|
ISeekingPassThru_Init(passthru, FALSE, &obj->pin_in.IPin_iface);
|
|
ISeekingPassThru_Release(passthru);
|
|
|
|
*ppv = &obj->IUnknown_inner;
|
|
return S_OK;
|
|
}
|