QT 简易音乐播放器 FMod

#include "QMPlayModelManager.h" #include <QTime> #include <map> using namespace std; #include "QMPublic.h" #include "QMAppHelper.h" #include "QMDataManager.h" #include "QMAudioDriverManager.h" #include "QMListWindow.h" #include "QMMusicListView.h" #include "QMTrack.h" #include "QMMusic.h" #include "QMPlayModelManagerListener.h" #include "QMDataDispatcher.h" typedef map<QMPlayModelManager::PlayModel, PlayModelFun> Map_PlayModelFun; typedef pair<QMPlayModelManager::PlayModel, PlayModelFun> MapPair_PlayModelFun; static Map_PlayModelFun g_mapPlayModeFun; QMPlayModelManager::QMPlayModelManager(void) : m_pModelFun(NULL) , m_bBeginPlay(false) , m_pCurrTrack(NULL) , m_pCurrMusic(NULL) , m_pSelectTrack(NULL) , m_pSelectMusic(NULL) , m_pModelListener(NULL) { } QMPlayModelManager::~QMPlayModelManager(void) { } bool QMPlayModelManager::Init() { bool bResult = false; m_pModelListener = new QMPlayModelManagerListener(this); QM_CHECK_ERROR(m_pModelListener); QMDataDispatcher* pDataDispatcher = QMAppHelper::GetDataDispatcher(); QM_PROCESS_ERROR(pDataDispatcher); QM_PROCESS_ERROR(pDataDispatcher->AddListener(m_pModelListener)); m_pModelFun = &QMPlayModelManager::SetModel_Other; g_mapPlayModeFun.insert(MapPair_PlayModelFun(Other, &QMPlayModelManager::SetModel_Other)); g_mapPlayModeFun.insert(MapPair_PlayModelFun(Random, &QMPlayModelManager::SetModel_Random)); g_mapPlayModeFun.insert(MapPair_PlayModelFun(Circulation, &QMPlayModelManager::SetModel_Circulation)); bResult = true; Exit0: return bResult; } bool QMPlayModelManager::UnInit() { bool bResult = false; SAFE_DELETE(m_pModelListener); bResult = true; Exit0: return bResult; } bool QMPlayModelManager::SetPlayModel(PlayModel model) { bool bResult = false; Map_PlayModelFun::iterator iter; QM_PROCESS_ERROR(g_mapPlayModeFun.size() != 0); iter = g_mapPlayModeFun.find(model); QM_PROCESS_ERROR(iter != g_mapPlayModeFun.end()); m_pModelFun = iter->second; QM_PROCESS_ERROR(m_pModelFun); bResult = true; Exit0: return bResult; } bool QMPlayModelManager::CheckToPlayNext() { bool bResult = false; QM_PROCESS_SUCCESS(!m_bBeginPlay); QMAudioDriverManager* pAudioManager = QMAppHelper::GetAudioDriverManager(); QM_PROCESS_ERROR(pAudioManager); QM_PROCESS_SUCCESS(pAudioManager->IsCurrAudio_Play()); QM_PROCESS_ERROR(m_pModelFun); QM_PROCESS_ERROR((this->*m_pModelFun)()); Exit1: bResult = true; Exit0: return bResult; } bool QMPlayModelManager::PlaySelectMusic() { bool bResult = false; QM_PROCESS_SUCCESS(!m_pSelectMusic || !m_pSelectTrack); QM_PROCESS_ERROR(PlayMusic(m_pSelectTrack, m_pSelectMusic)); Exit1: bResult = true; Exit0: return true; } bool QMPlayModelManager::PlayCurrMusic() { bool bResult = false; QM_PROCESS_SUCCESS(!m_pCurrMusic && !m_pCurrTrack); QM_PROCESS_ERROR(PlayMusic(m_pCurrTrack, m_pCurrMusic)); Exit1: bResult = true; Exit0: return true; } QMPlayModelManager::PlayModel QMPlayModelManager::GetCurrModel() { PlayModel enumModel = PlayModel::Other; Map_PlayModelFun::iterator iter = g_mapPlayModeFun.begin(); QM_PROCESS_ERROR(m_pModelFun); for(iter; iter != g_mapPlayModeFun.end(); iter++) { if(iter->second == m_pModelFun) break; } enumModel = iter->first; Exit0: return enumModel; } QMPlayModelManager::PlayModel QMPlayModelManager::SetNextMode() { PlayModel enumModel = GetCurrModel(); Map_PlayModelFun::iterator iter = g_mapPlayModeFun.find(enumModel); iter++; if(iter == g_mapPlayModeFun.end()) iter = g_mapPlayModeFun.begin(); enumModel = iter->first; m_pModelFun = iter->second; Exit0: return enumModel; } bool QMPlayModelManager::SetSelectTrackRow(int nRow) { return SetTrackRow(&m_pSelectTrack, nRow); } int QMPlayModelManager::GetSelectTrackRow() { return GetTrackRow(m_pSelectTrack); } bool QMPlayModelManager::SetSelectMusicRow(int nRow) { return SetMusicRow(m_pSelectTrack, &m_pSelectMusic, nRow); } int QMPlayModelManager::GetSelectMusicRow() { return GetMusicRow(m_pSelectTrack, m_pSelectMusic); } bool QMPlayModelManager::SetCurrTrackRow(int nRow) { return SetTrackRow(&m_pCurrTrack, nRow); } int QMPlayModelManager::GetCurrTrackRow() { return GetTrackRow(m_pCurrTrack); } bool QMPlayModelManager::SetCurrMusicRow(int nRow) { return SetMusicRow(m_pCurrTrack, &m_pCurrMusic, nRow); } int QMPlayModelManager::GetCurrMusicRow() { return GetMusicRow(m_pCurrTrack, m_pCurrMusic); } bool QMPlayModelManager::PlayMusic(QMTrack* pTrack, QMMusic* pMusic) { bool bResult = false; m_bBeginPlay = true; QM_PROCESS_ERROR(pTrack && pMusic); QMAudioDriverManager* pAudioManager = QMAppHelper::GetAudioDriverManager(); QM_PROCESS_ERROR(pAudioManager); m_pCurrMusic = pMusic; m_pCurrTrack = pTrack; QM_PROCESS_ERROR(pAudioManager->StopCurrAudio()); QM_PROCESS_ERROR(pAudioManager->InitAudio(pMusic->m_qstrPath)); QM_PROCESS_ERROR(pAudioManager->PlayAudio(pMusic->m_qstrPath)); QMListWindow* pListWindow = QMAppHelper::GetListWindow(); QM_PROCESS_ERROR(pListWindow); QM_PROCESS_ERROR(pListWindow->GetMusicListView()->Reflash()); bResult = true; Exit0: return bResult; } bool QMPlayModelManager::SetTrackRow(QMTrack** pTrack, int nRow) { bool bResult = false; *pTrack = NULL; QMDataManager *pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); QM_PROCESS_ERROR_NO_WARNING(nRow >= 0 && nRow < pDataManager->GetTrackCount()); *pTrack = pDataManager->GetTrack(nRow); QM_PROCESS_ERROR(pTrack); bResult = true; Exit0: return bResult; } int QMPlayModelManager::GetTrackRow(QMTrack* pTrack) { int nRow = -1; QMDataManager *pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); QM_PROCESS_ERROR_NO_WARNING(pDataManager->GetTrackCount() != 0); QM_PROCESS_ERROR_NO_WARNING(pTrack); nRow = pDataManager->FindTrackRow(pTrack); Exit0: return nRow; } bool QMPlayModelManager::SetMusicRow(QMTrack* pTrack, QMMusic** pMusic, int nRow) { bool bResult = false; *pMusic = NULL; QM_PROCESS_ERROR(pTrack); QMDataManager *pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); QM_PROCESS_ERROR_NO_WARNING(nRow >= 0 && nRow < pDataManager->GetMusicCount(pTrack)); *pMusic = pTrack->GetMusic(nRow); QM_PROCESS_ERROR(pMusic); bResult = true; Exit0: return bResult; } int QMPlayModelManager::GetMusicRow(QMTrack* pTrack, QMMusic* pMuisc) { int nRow = -1; QM_PROCESS_ERROR_NO_WARNING(pTrack && pMuisc); QMDataManager *pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); QM_PROCESS_ERROR_NO_WARNING(pDataManager->GetTrackCount() != 0); nRow = pTrack->FindMusicRow(pMuisc); Exit0: return nRow; } bool QMPlayModelManager::SetModel_Other() { bool bResult = false; int nRow = 0; QMDataManager* pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); nRow = GetCurrMusicRow(); QM_PROCESS_SUCCESS(nRow < 0); QM_PROCESS_SUCCESS(nRow == (pDataManager->GetMusicCount(m_pCurrTrack) - 1)); QM_PROCESS_ERROR(SetCurrMusicRow(nRow + 1)); QM_PROCESS_ERROR(m_pCurrTrack && m_pCurrMusic); QM_PROCESS_ERROR(PlayMusic(m_pCurrTrack, m_pCurrMusic)); Exit1: bResult = true; Exit0: return bResult; } bool QMPlayModelManager::SetModel_Random() { bool bResult = false; int nCurrRow = 0, nRow = 0; QMDataManager* pDataManager = QMAppHelper::GetDataManager(); QM_PROCESS_ERROR(pDataManager); nCurrRow = GetCurrMusicRow(); QM_PROCESS_SUCCESS(nCurrRow < 0); do { QTime qtime = QTime::currentTime(); qsrand(qtime.msec() + qtime.second()*1000); nRow = qrand() % pDataManager->GetMusicCount(m_pCurrTrack); } while (nCurrRow == nRow); QM_PROCESS_ERROR(SetCurrMusicRow(nRow)); QM_PROCESS_