159 lines
3 KiB
C++
159 lines
3 KiB
C++
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/* - - - - - - - - */
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/*
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** Copyright (C) Microsoft Corporation 1993. All rights reserved.
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*/
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/* - - - - - - - - */
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#include <win32.h>
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//#include <mmddk.h>
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#include <compobj.h>
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#include <avifmt.h>
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#include "avifile.h"
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#include "avifilei.h"
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#include "avicmprs.h"
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#include "unmarsh.h"
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#include "editstrm.h"
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/* - - - - - - - - */
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HRESULT CAVIFileCF::Create(
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const CLSID FAR& rclsid,
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REFIID riid,
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LPVOID FAR* ppv)
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{
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CAVIFileCF FAR* pAVIFileCF;
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IUnknown FAR* pUnknown;
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HRESULT hresult;
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pAVIFileCF = new FAR CAVIFileCF(rclsid, &pUnknown);
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if (pAVIFileCF == NULL)
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return ResultFromScode(E_OUTOFMEMORY);
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hresult = pUnknown->QueryInterface(riid, ppv);
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if (FAILED(GetScode(hresult)))
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delete pAVIFileCF;
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return hresult;
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}
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/* - - - - - - - - */
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CAVIFileCF::CAVIFileCF(
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const CLSID FAR& rclsid,
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IUnknown FAR* FAR* ppUnknown) :
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m_Unknown(this),
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m_Factory(this)
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{
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m_clsid = rclsid;
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*ppUnknown = &m_Unknown;
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}
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/* - - - - - - - - */
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CAVIFileCF::CUnknownImpl::CUnknownImpl(
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CAVIFileCF FAR* pAVIFileCF)
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{
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m_pAVIFileCF = pAVIFileCF;
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m_refs = 0;
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}
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/* - - - - - - - - */
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STDMETHODIMP CAVIFileCF::CUnknownImpl::QueryInterface(
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REFIID iid,
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LPVOID FAR* ppv)
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{
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if (iid == IID_IUnknown)
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*ppv = &m_pAVIFileCF->m_Unknown;
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else if (iid == IID_IClassFactory)
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*ppv = &m_pAVIFileCF->m_Factory;
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else
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return ResultFromScode(E_NOINTERFACE);
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AddRef();
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return AVIERR_OK;
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}
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/* - - - - - - - - */
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STDMETHODIMP_(ULONG) CAVIFileCF::CUnknownImpl::AddRef()
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{
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return ++m_refs;
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}
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/* - - - - - - - - */
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STDMETHODIMP_(ULONG) CAVIFileCF::CUnknownImpl::Release()
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{
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if (!--m_refs) {
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delete this;
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return 0;
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}
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return m_refs;
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}
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/* - - - - - - - - */
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CAVIFileCF::CFactoryImpl::CFactoryImpl(
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CAVIFileCF FAR* pAVIFileCF)
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{
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m_pAVIFileCF = pAVIFileCF;
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}
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/* - - - - - - - - */
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STDMETHODIMP CAVIFileCF::CFactoryImpl::QueryInterface(
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REFIID iid,
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LPVOID FAR* ppv)
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{
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return m_pAVIFileCF->m_Unknown.QueryInterface(iid, ppv);
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}
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/* - - - - - - - - */
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STDMETHODIMP_(ULONG) CAVIFileCF::CFactoryImpl::AddRef()
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{
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return m_pAVIFileCF->m_Unknown.AddRef();
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}
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/* - - - - - - - - */
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STDMETHODIMP_(ULONG) CAVIFileCF::CFactoryImpl::Release()
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{
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return m_pAVIFileCF->m_Unknown.Release();
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}
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/* - - - - - - - - */
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STDMETHODIMP CAVIFileCF::CFactoryImpl::CreateInstance(
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IUnknown FAR* pUnknownOuter,
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REFIID riid,
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LPVOID FAR* ppv)
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{
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if (IsEqualCLSID(m_pAVIFileCF->m_clsid, CLSID_AVIFile)) {
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return CAVIFile::Create(pUnknownOuter, riid, ppv);
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} else
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if (IsEqualCLSID(m_pAVIFileCF->m_clsid, CLSID_AVICmprsStream)) {
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return CAVICmpStream::Create(pUnknownOuter, riid, ppv);
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} else
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if (IsEqualCLSID(m_pAVIFileCF->m_clsid, CLSID_AVISimpleUnMarshal)) {
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return CUnMarshal::Create(pUnknownOuter, riid, ppv);
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} else
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if (IsEqualCLSID(m_pAVIFileCF->m_clsid, CLSID_EditStream)) {
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return CEditStream::NewInstance(pUnknownOuter, riid, ppv);
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} else {
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return ResultFromScode(CO_E_CANTDETERMINECLASS); // !!!
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}
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}
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/* - - - - - - - - */
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STDMETHODIMP CAVIFileCF::CFactoryImpl::LockServer(
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BOOL fLock)
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{
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fLocked = fLock;
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return AVIERR_OK;
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}
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/* - - - - - - - - */
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