void SetProgress(int64_t cur, int64_t max) override { int new_progress = mid<int>(0, double(cur) / max * 300, 300); if (new_progress != progress) { progress = new_progress; Main().Async([=] { dialog->SetProgress(new_progress); }); } }
/////////////////// // Track current line void FrameMain::OnVideoTrackPoints(wxCommandEvent &event) { videoBox->videoDisplay->Stop(); // Get line AssDialogue *curline = SubsBox->GetDialogue(EditBox->linen); if (!curline) return; FexTrackerConfig config; DialogFexTracker configDlg( this, &config ); configDlg.ShowModal(); if( !config.FeatureNumber ) return; // Get Video VideoProvider *movie = VideoProvider::GetProvider(videoBox->videoDisplay->videoName, wxString(_T(""))); // Create Tracker if( curline->Tracker ) delete curline->Tracker; curline->Tracker = new FexTracker( movie->GetWidth(), movie->GetHeight(), config.FeatureNumber ); curline->Tracker->minFeatures = config.FeatureNumber; curline->Tracker->Cfg = config; // Start progress volatile bool canceled = false; DialogProgress *progress = new DialogProgress(this,_("FexTracker"),&canceled,_("Tracking points"),0,1); progress->Show(); // Allocate temp image float* FloatImg = new float[ movie->GetWidth()*movie->GetHeight() ]; int StartFrame = VFR_Output.GetFrameAtTime(curline->Start.GetMS(),true); int EndFrame = VFR_Output.GetFrameAtTime(curline->End.GetMS(),false); for( int Frame = StartFrame; Frame <= EndFrame; Frame ++ ) { progress->SetProgress( Frame-StartFrame, EndFrame-StartFrame ); if( canceled ) break; movie->GetFloatFrame( FloatImg, Frame ); curline->Tracker->ProcessImage( FloatImg ); } delete FloatImg; delete movie; // Clean up progress if (!canceled) progress->Destroy(); else { delete curline->Tracker; curline->Tracker = 0; } videoBox->videoDisplay->RefreshVideo(); }
/////////////// // Constructor HDAudioProvider::HDAudioProvider(AudioProvider *source) { // Copy parameters bytes_per_sample = source->GetBytesPerSample(); num_samples = source->GetNumSamples(); channels = source->GetChannels(); sample_rate = source->GetSampleRate(); filename = source->GetFilename(); // Check free space wxLongLong freespace; if (wxGetDiskSpace(DiskCachePath(), NULL, &freespace)) { if (num_samples * channels * bytes_per_sample > freespace) { throw wxString(_T("Not enough free diskspace in "))+DiskCachePath()+wxString(_T(" to cache the audio")); } } // Open output file diskCacheFilename = DiskCacheName(); file_cache.Create(diskCacheFilename,true,wxS_DEFAULT); file_cache.Open(diskCacheFilename,wxFile::read_write); if (!file_cache.IsOpened()) throw _T("Unable to write to disk cache."); // Start progress volatile bool canceled = false; DialogProgress *progress = new DialogProgress(NULL,_T("Load audio"),&canceled,_T("Reading to Hard Disk cache"),0,num_samples); progress->Show(); // Write to disk int block = 4096; char *temp = new char[block * channels * bytes_per_sample]; for (__int64 i=0;i<num_samples && !canceled; i+=block) { if (block+i > num_samples) block = num_samples - i; source->GetAudio(temp,i,block); file_cache.Write(temp,block * channels * bytes_per_sample); progress->SetProgress(i,num_samples); } file_cache.Seek(0); // Finish if (!canceled) { progress->Destroy(); } else { file_cache.Close(); throw wxString(_T("Audio loading cancelled by user")); } }
////////////////// // Actually parse void MatroskaWrapper::Parse() { // Clear keyframes and timecodes keyFrames.Clear(); bytePos.Clear(); timecodes.clear(); // Get info int tracks = mkv_GetNumTracks(file); TrackInfo *trackInfo; SegmentInfo *segInfo = mkv_GetFileInfo(file); // Parse tracks for (int track=0; track<tracks; track++) { trackInfo = mkv_GetTrackInfo(file,track); // Video track if (trackInfo->Type == 1) { // Variables ulonglong startTime, endTime, filePos; unsigned int rt, frameSize, frameFlags; CompressedStream *cs = NULL; // Timecode scale __int64 timecodeScale = mkv_TruncFloat(trackInfo->TimecodeScale) * segInfo->TimecodeScale; // Mask other tracks away mkv_SetTrackMask(file, ~(1 << track)); // Progress bar int totalTime = double(segInfo->Duration) / timecodeScale; volatile bool canceled = false; DialogProgress *progress = new DialogProgress(NULL,_("Parsing Matroska"),&canceled,_("Reading keyframe and timecode data from Matroska file."),0,totalTime); progress->Show(); progress->SetProgress(0,1); // Read frames int frameN = 0; while (mkv_ReadFrame(file,0,&rt,&startTime,&endTime,&filePos,&frameSize,&frameFlags) == 0) { // Read value double curTime = double(startTime) / 1000000.0; frames.push_back(MkvFrame((frameFlags & FRAME_KF) != 0,curTime,filePos)); frameN++; // Cancelled? if (canceled) { Close(); throw _T("Canceled"); } // Update progress progress->SetProgress(curTime,totalTime); } // Clean up progress if (!canceled) progress->Destroy(); break; } } // Copy raw for (std::list<MkvFrame>::iterator cur=frames.begin(); cur!=frames.end(); cur++) { rawFrames.push_back(*cur); } // Process timecodes and keyframes frames.sort(); MkvFrame curFrame(false,0,0); int i = 0; for (std::list<MkvFrame>::iterator cur=frames.begin(); cur!=frames.end(); cur++) { curFrame = *cur; if (curFrame.isKey) keyFrames.Add(i); bytePos.Add(curFrame.filePos); timecodes.push_back(curFrame.time); i++; } }