void AudioView::SelectAll() { TrackList *tracks = GetTracks(); VTrack *t = tracks->First(); while(t) { t->selected = true; t = tracks->Next(); } sel0 = 0.0; sel1 = tracks->GetMaxLen(); REDRAW(trackPanel); REDRAW(rulerPanel); UpdateMenus(); }
void APalette::OnPlay() { if (gAudioIO->IsBusy()) return; AudacityProject *p = GetActiveProject(); if (p) { TrackList *t = p->GetTracks(); double t0 = p->GetSel0(); double t1 = p->GetSel1(); if (t1 == t0) t1 = t->GetMaxLen(); bool success = gAudioIO->StartPlay(p, t, t0, t1); if (!success) { SetPlay(false); SetStop(false); SetRecord(false); } } }
bool ExportPCM(AudacityProject *project, wxString format, bool stereo, wxString fName, bool selectionOnly, double t0, double t1) { wxMessageBox("In process of being rewritten, sorry..."); #if 0 double rate = project->GetRate(); wxWindow *parent = project; TrackList *tracks = project->GetTracks(); int header = SND_HEAD_NONE; #ifdef __WXMAC__ bool trackMarkers = false; #endif if (format == "WAV") header = SND_HEAD_WAVE; else if (format == "AIFF") header = SND_HEAD_AIFF; else if (format == "IRCAM") header = SND_HEAD_IRCAM; else if (format == "AU") header = SND_HEAD_NEXT; #ifdef __WXMAC__ else if (format == "AIFF with track markers") { header = SND_HEAD_AIFF; trackMarkers = true; } #endif // Use snd library to export file snd_node sndfile; snd_node sndbuffer; sndfile.device = SND_DEVICE_FILE; sndfile.write_flag = SND_WRITE; strcpy(sndfile.u.file.filename, (const char *) fName); sndfile.u.file.file = 0; sndfile.u.file.header = header; sndfile.u.file.byte_offset = 0; sndfile.u.file.end_offset = 0; sndfile.u.file.swap = 0; sndfile.format.channels = stereo ? 2 : 1; sndfile.format.mode = SND_MODE_PCM; // SND_MODE_FLOAT sndfile.format.bits = 16; sndfile.format.srate = int (rate + 0.5); int err; long flags = 0; err = snd_open(&sndfile, &flags); if (err) { wxMessageBox("Could not write to file."); return false; } sndbuffer.device = SND_DEVICE_MEM; sndbuffer.write_flag = SND_READ; sndbuffer.u.mem.buffer_max = 0; sndbuffer.u.mem.buffer = 0; sndbuffer.u.mem.buffer_len = 0; sndbuffer.u.mem.buffer_pos = 0; sndbuffer.format.channels = stereo ? 2 : 1; sndbuffer.format.mode = SND_MODE_PCM; // SND_MODE_FLOAT sndbuffer.format.bits = 16; sndbuffer.format.srate = int (rate + 0.5); double timeStep = 10.0; // write in blocks of 10 secs wxProgressDialog *progress = NULL; wxYield(); wxStartTimer(); wxBusyCursor busy; bool cancelling = false; double t = t0; while (t < t1 && !cancelling) { double deltat = timeStep; if (t + deltat > t1) deltat = t1 - t; sampleCount numSamples = int (deltat * rate + 0.5); Mixer *mixer = new Mixer(stereo ? 2 : 1, numSamples, true, rate); wxASSERT(mixer); mixer->Clear(); char *buffer = new char[numSamples * 2 * sndbuffer.format.channels]; wxASSERT(buffer); TrackListIterator iter(tracks); VTrack *tr = iter.First(); while (tr) { if (tr->GetKind() == VTrack::Wave) { if (tr->selected || !selectionOnly) { if (tr->channel == VTrack::MonoChannel) mixer->MixMono((WaveTrack *) tr, t, t + deltat); if (tr->channel == VTrack::LeftChannel) mixer->MixLeft((WaveTrack *) tr, t, t + deltat); if (tr->channel == VTrack::RightChannel) mixer->MixRight((WaveTrack *) tr, t, t + deltat); } } tr = iter.Next(); } sampleType *mixed = mixer->GetBuffer(); long b2 = snd_convert(&sndfile, buffer, // to &sndbuffer, mixed, numSamples); // from snd_write(&sndfile, buffer, b2); t += deltat; if (!progress && wxGetElapsedTime(false) > 500) { wxString message; if (selectionOnly) message = wxString:: Format("Exporting the selected audio as a %s file", (const char *) format); else message = wxString:: Format("Exporting the entire project as a %s file", (const char *) format); progress = new wxProgressDialog("Export", message, 1000, parent, wxPD_CAN_ABORT | wxPD_REMAINING_TIME | wxPD_AUTO_HIDE); } if (progress) { cancelling = !progress->Update(int (((t - t0) * 1000) / (t1 - t0) + 0.5)); } delete mixer; delete[]buffer; } snd_close(&sndfile); #ifdef __WXMAC__ FSSpec spec; wxMacFilename2FSSpec(fName, &spec); if (trackMarkers) { // Export the label track as "CD Spin Doctor" files LabelTrack *labels = NULL; TrackListIterator iter(tracks); VTrack *t = iter.First(); while (t && !labels) { if (t->GetKind() == VTrack::Label) labels = (LabelTrack *) t; t = iter.Next(); } if (labels) { FSpCreateResFile(&spec, 'AIFF', AUDACITY_CREATOR, 0); int resFile = FSpOpenResFile(&spec, fsWrPerm); if (resFile == -1) { int x = ResError(); } if (resFile != -1) { UseResFile(resFile); int numLabels = labels->mLabels.Count(); for (int i = 0; i < numLabels; i++) { int startBlock = (int) (labels->mLabels[i]->t * 75); int lenBlock; if (i < numLabels - 1) lenBlock = (int) ((labels->mLabels[i + 1]->t - labels->mLabels[i]->t) * 75); else lenBlock = (int) ((tracks->GetMaxLen() - labels->mLabels[i]->t) * 75); int startSample = startBlock * 1176 + 54; int lenSample = lenBlock * 1176 + 54; Handle theHandle = NewHandle(50); HLock(theHandle); char *data = (char *) (*theHandle); *(int *) &data[0] = startSample; *(int *) &data[4] = lenSample; *(int *) &data[8] = startBlock; *(int *) &data[12] = lenBlock; *(short *) &data[16] = i + 1; wxString title = labels->mLabels[i]->title; if (title.Length() > 31) title = title.Left(31); data[18] = title.Length(); strcpy(&data[19], (const char *) title); HUnlock(theHandle); AddResource(theHandle, 'SdCv', 128 + i, "\p"); } CloseResFile(resFile); wxMessageBox("Saved track information with file."); } } } FInfo finfo; if (FSpGetFInfo(&spec, &finfo) == noErr) { switch (header) { case SND_HEAD_AIFF: finfo.fdType = 'AIFF'; break; case SND_HEAD_IRCAM: finfo.fdType = 'IRCA'; break; case SND_HEAD_NEXT: finfo.fdType = 'AU '; break; case SND_HEAD_WAVE: finfo.fdType = 'WAVE'; break; } finfo.fdCreator = AUDACITY_CREATOR; FSpSetFInfo(&spec, &finfo); } #endif if (progress) delete progress; return true; #endif return false; }
void AudioView::FixScrollbars() { if (!hsbar || !vsbar) return; AudioDoc *doc = ((AudioDoc *)GetDocument()); if (!doc) return; bool rescroll = false; TrackList *tracks = GetTracks(); int totalHeight = (tracks->GetHeight() + 32); int panelWidth, panelHeight; trackPanel->GetSize(&panelWidth, &panelHeight); sinfo.total = tracks->GetMaxLen() + 1.0; sinfo.screen = ((double)panelWidth) / sinfo.zoom; if (sinfo.h > sinfo.total - sinfo.screen) { sinfo.h = sinfo.total - sinfo.screen; rescroll = true; } if (sinfo.h < 0.0) { sinfo.h = 0.0; rescroll = true; } sinfo.sbarTotal = (int)(sinfo.total * sinfo.zoom) / sinfo.scrollStep; sinfo.sbarScreen = (int)(sinfo.screen * sinfo.zoom) / sinfo.scrollStep; sinfo.sbarH = (int)(sinfo.h * sinfo.zoom) / sinfo.scrollStep; vpos = vsbar->GetThumbPosition() * sinfo.scrollStep; if (vpos >= totalHeight) vpos = totalHeight-1; if (vpos < 0) vpos = 0; hsbar->Show(sinfo.screen < sinfo.total); vsbar->Show(panelHeight < totalHeight); if (panelHeight >= totalHeight && vpos != 0) { vpos = 0; REDRAW(trackPanel); REDRAW(rulerPanel); rescroll = false; } if (sinfo.screen >= sinfo.total && sinfo.sbarH != 0) { sinfo.sbarH = 0; REDRAW(trackPanel); REDRAW(rulerPanel); rescroll = false; } hsbar->SetScrollbar(sinfo.sbarH, sinfo.sbarScreen, sinfo.sbarTotal, sinfo.sbarScreen, TRUE); vsbar->SetScrollbar(vpos / sinfo.scrollStep, panelHeight / sinfo.scrollStep, totalHeight / sinfo.scrollStep, panelHeight / sinfo.scrollStep, TRUE); sinfo.lastZoom = sinfo.zoom; if (rescroll && sinfo.screen < sinfo.total) { REDRAW(trackPanel); REDRAW(rulerPanel); } }