278 lines
8.4 KiB
C
278 lines
8.4 KiB
C
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//==========================================================================;
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//
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// devimpl.h : additional infrastructure to support implementing IMSVidDevice
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// nicely from c++
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// Copyright (c) Microsoft Corporation 1999.
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//
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef ANALOGTUNERIMPL_H
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#define ANALOGTUNERIMPL_H
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#include "tunerimpl.h"
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namespace MSVideoControl {
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template<class T,
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LPCGUID LibID,
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LPCGUID KSCategory,
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class MostDerivedInterface = IMSVidDevice>
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class DECLSPEC_NOVTABLE IMSVidAnalogTunerImpl : public IMSVidTunerImpl<T, LibID, KSCategory, MostDerivedInterface> {
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public:
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virtual ~IMSVidAnalogTunerImpl() {}
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virtual PQTVTuner GetTuner() = 0;
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virtual HRESULT DoTune(PQTuneRequest &pTR) {
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PQChannelTuneRequest ctr(pTR);
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if (!ctr) {
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return ImplReportError(__uuidof(T), IDS_INVALID_TR, __uuidof(IMSVidAnalogTuner), DISP_E_TYPEMISMATCH);
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}
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return NOERROR;
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}
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// IMSVidAnalogTuner
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STDMETHOD(get_Channel)(LONG * Channel)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (Channel == NULL)
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return E_POINTER;
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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long vsc, asc;
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return pTV->get_Channel(Channel, &vsc, &asc);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(put_Channel)(LONG Channel)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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return pTV->put_Channel(Channel, 0, 0);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(get_VideoFrequency)(LONG * lcc)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (lcc == NULL)
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return E_POINTER;
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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return pTV->get_VideoFrequency(lcc);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(get_AudioFrequency)(LONG * lcc)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (lcc == NULL)
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return E_POINTER;
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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return pTV->get_AudioFrequency(lcc);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(get_CountryCode)(LONG * lcc)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (lcc == NULL)
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return E_POINTER;
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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return pTV->get_CountryCode(lcc);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(put_CountryCode)(LONG lcc)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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try {
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PQTVTuner pTV(GetTuner());
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if (!pTV) {
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return HRESULT_FROM_WIN32(ERROR_INVALID_STATE);
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}
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return pTV->put_CountryCode(lcc);
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} catch(...) {
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return E_UNEXPECTED;
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}
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}
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STDMETHOD(get_SAP)(VARIANT_BOOL *pfSAP)
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{
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HRESULT hr = S_OK;
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (pfSAP == NULL)
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return E_POINTER;
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DSFilterList::iterator i;
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CComQIPtr<IAMTVAudio>spTVAudio;
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for(i = m_Filters.begin(); i != m_Filters.end(); ++i){
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spTVAudio = *i;
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if(spTVAudio){
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break;
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}
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}
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if(i == m_Filters.end()){
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return E_NOINTERFACE;
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}
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long dwMode = 0;
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#if 0
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hr = spTVAudio->GetHardwareSupportedTVAudioModes(&dwMode);
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if(FAILED(hr)){
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return hr;
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}
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hr = spTVAudio->GetAvailableTVAudioModes(&dwMode);
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if(FAILED(hr)){
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return hr;
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}
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#endif
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hr = spTVAudio->get_TVAudioMode(&dwMode);
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if(FAILED(hr)){
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return hr;
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}
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if(dwMode & AMTVAUDIO_MODE_LANG_B){
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*pfSAP = VARIANT_FALSE;
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}
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else{
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*pfSAP = VARIANT_TRUE;
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}
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return S_OK;
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}
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STDMETHOD(put_SAP)(VARIANT_BOOL fSAP)
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{
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HRESULT hr = S_OK;
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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DSFilterList::iterator i;
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CComQIPtr<IAMTVAudio>spTVAudio;
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for(i = m_Filters.begin(); i != m_Filters.end(); ++i){
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spTVAudio = *i;
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if(spTVAudio){
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break;
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}
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}
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if(i == m_Filters.end()){
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return E_NOINTERFACE;
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}
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long dwMode = 0;
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if(fSAP == VARIANT_TRUE){
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dwMode = AMTVAUDIO_MODE_LANG_B | AMTVAUDIO_MODE_MONO;
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hr = spTVAudio->put_TVAudioMode(dwMode);
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}
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else{
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dwMode = AMTVAUDIO_MODE_STEREO | AMTVAUDIO_MODE_LANG_A;
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hr = spTVAudio->put_TVAudioMode(dwMode);
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}
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if(FAILED(hr)){
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return hr;
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}
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return S_OK;
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}
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STDMETHOD(ChannelAvailable)(LONG nChannel, LONG * SignalStrength, VARIANT_BOOL * fSignalPresent)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (SignalStrength == NULL)
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return E_POINTER;
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if (fSignalPresent == NULL)
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return E_POINTER;
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CComQIPtr<IAMTuner> pTV(GetTuner());
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if (!pTV) {
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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long curChannel = 0;
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HRESULT hr = get_Channel(&curChannel);
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if(nChannel != curChannel){
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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hr = pTV->SignalPresent(SignalStrength);
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if(FAILED(hr)){
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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if(hr == S_FALSE){
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*SignalStrength = 0;
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*fSignalPresent = VARIANT_FALSE;
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return S_OK;
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}
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CComQIPtr<IAMTVTuner> qiTV(GetTuner());
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if (!qiTV){
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return ImplReportError(__uuidof(T), IDS_INVALID_STATE, __uuidof(IMSVidAnalogTuner), HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
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}
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long foundSignal;
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hr = qiTV->AutoTune(curChannel, &foundSignal);
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if(hr == S_FALSE){
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*SignalStrength = 0;
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*fSignalPresent = VARIANT_FALSE;
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return S_OK;
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}
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if(foundSignal){
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*fSignalPresent = VARIANT_TRUE;
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}
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else{
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*fSignalPresent = VARIANT_FALSE;
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}
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return S_OK;
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}
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#if 0
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STDMETHOD(MinMaxChannel)(LONG * lChannelMin, LONG * lChannelMax)
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{
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if (!m_fInit) {
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return ImplReportError(__uuidof(T), IDS_OBJ_NO_INIT, __uuidof(IMSVidAnalogTuner), CO_E_NOTINITIALIZED);
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}
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if (lChannelMin == NULL)
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return E_POINTER;
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if (lChannelMax == NULL)
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return E_POINTER;
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return E_NOTIMPL;
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}
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#endif
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};
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}; //namespace
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#endif
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// end of file - analogtunerimpl.h
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