ref: 0593e000f78574d00dd77e03269fa34d3daba1f0
dir: /CoreAAC/CoreAACInfoProp.cpp/
#include <stdio.h> #include <streams.h> #include "ICoreAAC.h" #include "CoreAACInfoProp.h" #include "resource.h" // ---------------------------------------------------------------------------- CUnknown *WINAPI CCoreAACInfoProp::CreateInstance(LPUNKNOWN punk, HRESULT *phr) { CCoreAACInfoProp *pNewObject = new CCoreAACInfoProp(punk, phr); if (!pNewObject) *phr = E_OUTOFMEMORY; return pNewObject; } // ---------------------------------------------------------------------------- CCoreAACInfoProp::CCoreAACInfoProp(LPUNKNOWN pUnk, HRESULT *phr) : CBasePropertyPage(NAME("Info"), pUnk, IDD_DIALOG_INFO, IDS_INFO), m_pICoreAACDec(NULL), m_fWindowInActive(TRUE) { } // ---------------------------------------------------------------------------- CCoreAACInfoProp::~CCoreAACInfoProp() { } // ---------------------------------------------------------------------------- HRESULT CCoreAACInfoProp::OnConnect(IUnknown *pUnknown) { if (pUnknown == NULL) { return E_POINTER; } ASSERT(m_pICoreAACDec == NULL); // Ask the filter for it's control interface HRESULT hr = pUnknown->QueryInterface(IID_ICoreAACDec,reinterpret_cast<void**>(&m_pICoreAACDec)); if(FAILED(hr)) { return hr; } ASSERT(m_pICoreAACDec); m_pICoreAACDec->get_DownMatrix(&m_DownMatrix); return S_OK; } // ---------------------------------------------------------------------------- HRESULT CCoreAACInfoProp::OnDisconnect() { // Release the interface if (m_pICoreAACDec == NULL) { return E_UNEXPECTED; } m_pICoreAACDec->Release(); m_pICoreAACDec = NULL; return NOERROR; } // ---------------------------------------------------------------------------- HRESULT CCoreAACInfoProp::OnActivate() { char msgFormat[255]; m_fWindowInActive = FALSE; char* profileName = NULL; m_pICoreAACDec->get_ProfileName(&profileName); SetDlgItemText(m_hwnd, IDC_LABEL_PROFILE, profileName); int sampleRate = 0; m_pICoreAACDec->get_SampleRate(&sampleRate); wsprintf(msgFormat, "%d Hz", sampleRate); SetDlgItemText(m_hwnd, IDC_LABEL_SAMPLERATE, msgFormat); int channels = 0; m_pICoreAACDec->get_Channels(&channels); wsprintf(msgFormat, "%d", channels); SetDlgItemText(m_hwnd, IDC_LABEL_CHANNELS, msgFormat); int bps = 0; m_pICoreAACDec->get_BitsPerSample(&bps); wsprintf(msgFormat, "%d", bps); SetDlgItemText(m_hwnd, IDC_LABEL_BPS, msgFormat); CheckDlgButton(m_hwnd,IDC_CHECK_DOWNMIX, m_DownMatrix ? BST_CHECKED : BST_UNCHECKED); RefreshDisplay(m_hwnd); SetTimer(m_hwnd,0,1000,NULL); return S_OK; } // ---------------------------------------------------------------------------- HRESULT CCoreAACInfoProp::OnDeactivate() { KillTimer(m_hwnd,0); m_fWindowInActive = TRUE; return S_OK; } // ---------------------------------------------------------------------------- HRESULT CCoreAACInfoProp::OnApplyChanges(void) { m_pICoreAACDec->set_DownMatrix(m_DownMatrix); return S_OK; } // ---------------------------------------------------------------------------- BOOL CCoreAACInfoProp::OnReceiveMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { if(m_fWindowInActive) return FALSE; switch(uMsg) { case WM_COMMAND: switch (LOWORD(wParam)) { case IDC_CHECK_DOWNMIX: m_DownMatrix = (IsDlgButtonChecked(hwnd,IDC_CHECK_DOWNMIX) == BST_CHECKED) ? true : false; SetDirty(); break; } break; case WM_TIMER: RefreshDisplay(hwnd); return (LRESULT) 1; } return CBasePropertyPage::OnReceiveMessage(hwnd, uMsg, wParam, lParam); } // ---------------------------------------------------------------------------- void CCoreAACInfoProp::RefreshDisplay(HWND hwnd) { static char msgFormat[16]; int bitrate = 0; m_pICoreAACDec->get_Bitrate(&bitrate); if(bitrate) wsprintf(msgFormat, "%d kbps", bitrate/1000); else wsprintf(msgFormat, "-"); SetDlgItemText(hwnd, IDC_LABEL_BITRATE, msgFormat); unsigned int frames_decoded = 0; m_pICoreAACDec->get_FramesDecoded(&frames_decoded); if(frames_decoded) wsprintf(msgFormat, "%d", frames_decoded); else wsprintf(msgFormat, "-"); SetDlgItemText(hwnd, IDC_LABEL_FRAMES_DECODED, msgFormat); } // ---------------------------------------------------------------------------- void CCoreAACInfoProp::SetDirty() { m_bDirty = TRUE; if (m_pPageSite) m_pPageSite->OnStatusChange(PROPPAGESTATUS_DIRTY); } // ----------------------------------------------------------------------------