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https://github.com/cookiengineer/audacity
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Remove an uncompiled source file mistakenly added at 4f940c8
This commit is contained in:
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@ -1,742 +0,0 @@
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/**********************************************************************
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Audacity: A Digital Audio Editor
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TransportState.cpp
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Paul Licameli
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split from ControlToolBar.cpp
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***********************************************************************/
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#include "Audacity.h"
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#include "TransportState.h"
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#include <cfloat>
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#include "AdornedRulerPanel.h"
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#include "AudioIO.h"
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#include "Menus.h"
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#include "Project.h"
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#include "ProjectAudioIO.h"
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#include "ProjectSettings.h"
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#include "TrackPanel.h"
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#include "ViewInfo.h"
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#include "WaveTrack.h"
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#include "prefs/TracksPrefs.h"
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#include "toolbars/ToolManager.h"
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#include "tracks/ui/Scrubbing.h"
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#include "widgets/ErrorDialog.h"
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#include "widgets/Meter.h"
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AudacityProject *TransportState::mBusyProject = NULL;
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std::shared_ptr<TrackList> TransportState::mCutPreviewTracks;
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PlayMode TransportState::sLastPlayMode{ PlayMode::normalPlay };
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int TransportState::PlayPlayRegion(const SelectedRegion &selectedRegion,
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const AudioIOStartStreamOptions &options,
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PlayMode mode,
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bool backwards, /* = false */
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bool playWhiteSpace /* = false */)
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// STRONG-GUARANTEE (for state of mCutPreviewTracks)
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{
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if (!CanStopAudioStream())
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return -1;
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bool useMidi = true;
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// Remove these lines to experiment with scrubbing/seeking of note tracks
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if (options.pScrubbingOptions)
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useMidi = false;
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// Uncomment this for laughs!
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// backwards = true;
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double t0 = selectedRegion.t0();
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double t1 = selectedRegion.t1();
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// SelectedRegion guarantees t0 <= t1, so we need another boolean argument
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// to indicate backwards play.
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const bool looped = options.playLooped;
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if (backwards)
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std::swap(t0, t1);
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#if 0
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{
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PlayAppearance appearance;
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switch( mode ) {
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case PlayMode::cutPreviewPlay:
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appearance = PlayAppearance::CutPreview; break;
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case PlayMode::loopedPlay:
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appearance = PlayAppearance::Looped; break;
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default:
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appearance = PlayAppearance::Straight; break;
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}
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SetPlay(true, appearance);
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}
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#endif
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bool success = false;
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auto cleanup = finally( [&] {
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if (!success) {
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// SetPlay(false);
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// SetStop(false);
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// SetRecord(false);
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}
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} );
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if (gAudioIO->IsBusy())
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return -1;
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const bool cutpreview = mode == PlayMode::cutPreviewPlay;
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if (cutpreview && t0==t1)
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return -1; /* msmeyer: makes no sense */
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AudacityProject *p = GetActiveProject();
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if (!p)
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return -1; // Should never happen, but...
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auto &tracks = TrackList::Get( *p );
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sLastPlayMode = mode;
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bool hasaudio;
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if (useMidi)
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hasaudio = ! tracks.Any<PlayableTrack>().empty();
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else
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hasaudio = ! tracks.Any<WaveTrack>().empty();
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double latestEnd = (playWhiteSpace)? t1 : tracks.GetEndTime();
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if (!hasaudio)
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return -1; // No need to continue without audio tracks
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#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
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double init_seek = 0.0;
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#endif
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if (t1 == t0) {
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if (looped) {
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// play selection if there is one, otherwise
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// set start of play region to project start,
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// and loop the project from current play position.
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auto &selectedRegion = ViewInfo::Get( *p ).selectedRegion;
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if ((t0 > selectedRegion.t0()) && (t0 < selectedRegion.t1())) {
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t0 = selectedRegion.t0();
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t1 = selectedRegion.t1();
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}
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else {
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// loop the entire project
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t0 = tracks.GetStartTime();
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t1 = tracks.GetEndTime();
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}
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} else {
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// move t0 to valid range
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if (t0 < 0) {
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t0 = tracks.GetStartTime();
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}
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else if (t0 > tracks.GetEndTime()) {
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t0 = tracks.GetEndTime();
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}
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#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
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else {
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init_seek = t0; //AC: init_seek is where playback will 'start'
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t0 = tracks.GetStartTime();
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}
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#endif
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}
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t1 = tracks.GetEndTime();
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}
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else {
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// maybe t1 < t0, with backwards scrubbing for instance
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if (backwards)
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std::swap(t0, t1);
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t0 = std::max(0.0, std::min(t0, latestEnd));
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t1 = std::max(0.0, std::min(t1, latestEnd));
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if (backwards)
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std::swap(t0, t1);
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}
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int token = -1;
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if (t1 != t0) {
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if (cutpreview) {
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const double tless = std::min(t0, t1);
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const double tgreater = std::max(t0, t1);
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double beforeLen, afterLen;
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gPrefs->Read(wxT("/AudioIO/CutPreviewBeforeLen"), &beforeLen, 2.0);
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gPrefs->Read(wxT("/AudioIO/CutPreviewAfterLen"), &afterLen, 1.0);
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double tcp0 = tless-beforeLen;
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double diff = tgreater - tless;
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double tcp1 = (tgreater+afterLen) - diff;
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SetupCutPreviewTracks(tcp0, tless, tgreater, tcp1);
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if (backwards)
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std::swap(tcp0, tcp1);
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if (mCutPreviewTracks)
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{
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AudioIOStartStreamOptions myOptions = options;
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myOptions.cutPreviewGapStart = t0;
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myOptions.cutPreviewGapLen = t1 - t0;
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token = gAudioIO->StartStream(
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GetAllPlaybackTracks(*mCutPreviewTracks, false, useMidi),
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tcp0, tcp1, myOptions);
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}
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else
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// Cannot create cut preview tracks, clean up and exit
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return -1;
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}
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else {
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// Lifted the following into AudacityProject::GetDefaultPlayOptions()
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/*
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if (!timetrack) {
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timetrack = t->GetTimeTrack();
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}
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*/
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token = gAudioIO->StartStream(
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GetAllPlaybackTracks(tracks, false, useMidi),
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t0, t1, options);
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}
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if (token != 0) {
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success = true;
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ProjectAudioIO::Get( *p ).SetAudioIOToken(token);
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mBusyProject = p;
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#if defined(EXPERIMENTAL_SEEK_BEHIND_CURSOR)
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//AC: If init_seek was set, now's the time to make it happen.
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gAudioIO->SeekStream(init_seek);
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#endif
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}
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else {
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// Bug1627 (part of it):
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// infinite error spew when trying to start scrub:
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// Problem was that the error dialog yields to events,
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// causing recursion to this function in the scrub timer
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// handler! Easy fix, just delay the user alert instead.
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wxTheApp->CallAfter( []{
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// Show error message if stream could not be opened
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auto &window = ProjectWindow::Get( *::GetActiveProject() );
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ShowErrorDialog(&window,
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_("Error"),
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_("Error opening sound device.\nTry changing the audio host, playback device and the project sample rate."),
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wxT("Error_opening_sound_device"));
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});
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}
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}
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if (!success)
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return -1;
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StartScrollingIfPreferred();
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// Let other UI update appearance
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if (p)
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AdornedRulerPanel::Get( *p ).DrawBothOverlays();
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return token;
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}
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void TransportState::PlayCurrentRegion(bool looped /* = false */,
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bool cutpreview /* = false */)
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{
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if (!CanStopAudioStream())
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return;
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AudacityProject *p = GetActiveProject();
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if (p)
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{
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auto playRegion = ViewInfo::Get( *p ).playRegion;
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auto options = DefaultPlayOptions( *p );
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options.playLooped = looped;
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if (cutpreview)
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options.timeTrack = NULL;
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auto mode =
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cutpreview ? PlayMode::cutPreviewPlay
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: options.playLooped ? PlayMode::loopedPlay
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: PlayMode::normalPlay;
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PlayPlayRegion(SelectedRegion(playRegion.GetStart(), playRegion.GetEnd()),
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options, mode);
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}
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}
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bool TransportState::CanStopAudioStream()
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{
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return (!gAudioIO->IsStreamActive() ||
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gAudioIO->IsMonitoring() ||
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gAudioIO->GetOwningProject() == GetActiveProject());
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}
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void TransportState::StopPlaying(bool stopStream /* = true*/)
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{
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StopScrolling();
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AudacityProject *project = GetActiveProject();
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if(project)
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// Let scrubbing code do some appearance change
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Scrubber::Get( *project ).StopScrubbing();
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if (!CanStopAudioStream())
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return;
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// mStop->PushDown();
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// SetStop(false);
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if(stopStream)
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gAudioIO->StopStream();
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// SetPlay(false);
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// SetRecord(false);
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#ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT
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gAudioIO->AILADisable();
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#endif
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// mPause->PopUp();
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// mPaused=false;
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//Make sure you tell gAudioIO to unpause
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// gAudioIO->SetPaused(mPaused);
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ClearCutPreviewTracks();
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mBusyProject = NULL;
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// So that we continue monitoring after playing or recording.
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// also clean the MeterQueues
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if( project ) {
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project->MayStartMonitoring();
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auto &projectAudioIO = ProjectAudioIO::Get( *project );
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MeterPanel *meter = projectAudioIO.GetPlaybackMeter();
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if( meter ) {
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meter->Clear();
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}
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meter = projectAudioIO.GetCaptureMeter();
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if( meter ) {
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meter->Clear();
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}
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}
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const auto toolbar =
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ToolManager::Get( *project ).GetToolBar( ScrubbingBarID );
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toolbar->EnableDisableButtons();
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}
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void TransportState::Pause()
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{
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if (!CanStopAudioStream())
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gAudioIO->SetPaused(!gAudioIO->IsPaused());
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else {
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wxCommandEvent dummy;
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// OnPause(dummy);
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}
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}
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WaveTrackArray TransportState::ChooseExistingRecordingTracks(
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AudacityProject &proj, bool selectedOnly)
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{
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auto p = &proj;
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size_t recordingChannels =
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std::max(0L, gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2));
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bool strictRules = (recordingChannels <= 2);
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// Iterate over all wave tracks, or over selected wave tracks only.
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//
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// In the usual cases of one or two recording channels, seek a first-fit
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// unbroken sub-sequence for which the total number of channels matches the
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// required number exactly. Never drop inputs or fill only some channels
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// of a track.
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//
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// In case of more than two recording channels, choose tracks only among the
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// selected. Simply take the earliest wave tracks, until the number of
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// channels is enough. If there are fewer channels than inputs, but at least
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// one channel, then some of the input channels will be dropped.
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//
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// Resulting tracks may be non-consecutive within the list of all tracks
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// (there may be non-wave tracks between, or non-selected tracks when
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// considering selected tracks only.)
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if (!strictRules && !selectedOnly)
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return {};
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auto &trackList = TrackList::Get( *p );
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std::vector<unsigned> channelCounts;
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WaveTrackArray candidates;
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const auto range = trackList.Leaders<WaveTrack>();
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for ( auto candidate : selectedOnly ? range + &Track::IsSelected : range ) {
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// count channels in this track
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const auto channels = TrackList::Channels( candidate );
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unsigned nChannels = channels.size();
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if (strictRules && nChannels > recordingChannels) {
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// The recording would under-fill this track's channels
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// Can't use any partial accumulated results
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// either. Keep looking.
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candidates.clear();
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channelCounts.clear();
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continue;
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}
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else {
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// Might use this but may have to discard some of the accumulated
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while(strictRules &&
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nChannels + candidates.size() > recordingChannels) {
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auto nOldChannels = channelCounts[0];
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wxASSERT(nOldChannels > 0);
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channelCounts.erase(channelCounts.begin());
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candidates.erase(candidates.begin(),
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candidates.begin() + nOldChannels);
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}
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channelCounts.push_back(nChannels);
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for ( auto channel : channels ) {
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candidates.push_back(channel->SharedPointer<WaveTrack>());
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if(candidates.size() == recordingChannels)
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// Done!
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return candidates;
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}
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}
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}
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if (!strictRules && !candidates.empty())
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// good enough
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return candidates;
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// If the loop didn't exit early, we could not find enough channels
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return {};
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}
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bool TransportState::DoRecord(AudacityProject &project,
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const TransportTracks &tracks,
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double t0, double t1,
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bool altAppearance,
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const AudioIOStartStreamOptions &options)
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{
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CommandFlag flags = AlwaysEnabledFlag; // 0 means recalc flags.
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// NB: The call may have the side effect of changing flags.
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bool allowed = MenuManager::Get(project).TryToMakeActionAllowed(
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project,
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flags,
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AudioIONotBusyFlag | CanStopAudioStreamFlag,
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AudioIONotBusyFlag | CanStopAudioStreamFlag);
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if (!allowed)
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return false;
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// ...end of code from CommandHandler.
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if (gAudioIO->IsBusy()) {
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if (!TransportState::CanStopAudioStream() ||
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0 == gAudioIO->GetNumCaptureChannels())
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// mRecord->PopUp()
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;
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else
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// mRecord->PushDown()
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;
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return false;
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}
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// SetRecord(true, altAppearance);
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bool success = false;
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auto cleanup = finally([&] {
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if (!success) {
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// SetPlay(false);
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// SetStop(false);
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// SetRecord(false);
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}
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// Success or not:
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// UpdateStatusBar(GetActiveProject());
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});
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auto transportTracks = tracks;
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// Will replace any given capture tracks with temporaries
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transportTracks.captureTracks.clear();
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const auto p = &project;
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bool appendRecord = !tracks.captureTracks.empty();
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{
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if (appendRecord) {
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// Append recording:
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// Pad selected/all wave tracks to make them all the same length
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auto &trackList = TrackList::Get( *p );
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for (const auto &wt : tracks.captureTracks)
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{
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auto endTime = wt->GetEndTime();
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// If the track was chosen for recording and playback both,
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// remember the original in preroll tracks, before making the
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// pending replacement.
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bool prerollTrack = make_iterator_range(transportTracks.playbackTracks).contains(wt);
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if (prerollTrack)
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transportTracks.prerollTracks.push_back(wt);
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// A function that copies all the non-sample data between
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// wave tracks; in case the track recorded to changes scale
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// type (for instance), during the recording.
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auto updater = [](Track &d, const Track &s){
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auto &dst = static_cast<WaveTrack&>(d);
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auto &src = static_cast<const WaveTrack&>(s);
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dst.Reinit(src);
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};
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// Get a copy of the track to be appended, to be pushed into
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// undo history only later.
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auto pending = std::static_pointer_cast<WaveTrack>(
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trackList.RegisterPendingChangedTrack(
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updater, wt.get() ) );
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// End of current track is before or at recording start time.
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// Less than or equal, not just less than, to ensure a clip boundary.
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// when append recording.
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if (endTime <= t0) {
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// Pad the recording track with silence, up to the
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// maximum time.
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auto newTrack = TrackFactory::Get( *p ).NewWaveTrack();
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newTrack->InsertSilence(0.0, t0 - endTime);
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newTrack->Flush();
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pending->Clear(endTime, t0);
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pending->Paste(endTime, newTrack.get());
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}
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transportTracks.captureTracks.push_back(pending);
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}
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trackList.UpdatePendingTracks();
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}
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if( transportTracks.captureTracks.empty() )
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{ // recording to NEW track(s).
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bool recordingNameCustom, useTrackNumber, useDateStamp, useTimeStamp;
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wxString defaultTrackName, defaultRecordingTrackName;
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||||
// Count the tracks.
|
||||
auto &trackList = TrackList::Get( *p );
|
||||
auto numTracks = trackList.Leaders<const WaveTrack>().size();
|
||||
|
||||
auto recordingChannels = std::max(1L, gPrefs->Read(wxT("/AudioIO/RecordChannels"), 2));
|
||||
|
||||
gPrefs->Read(wxT("/GUI/TrackNames/RecordingNameCustom"), &recordingNameCustom, false);
|
||||
gPrefs->Read(wxT("/GUI/TrackNames/TrackNumber"), &useTrackNumber, false);
|
||||
gPrefs->Read(wxT("/GUI/TrackNames/DateStamp"), &useDateStamp, false);
|
||||
gPrefs->Read(wxT("/GUI/TrackNames/TimeStamp"), &useTimeStamp, false);
|
||||
defaultTrackName = TracksPrefs::GetDefaultAudioTrackNamePreference();
|
||||
gPrefs->Read(wxT("/GUI/TrackNames/RecodingTrackName"), &defaultRecordingTrackName, defaultTrackName);
|
||||
|
||||
wxString baseTrackName = recordingNameCustom? defaultRecordingTrackName : defaultTrackName;
|
||||
|
||||
Track *first {};
|
||||
for (int c = 0; c < recordingChannels; c++) {
|
||||
auto newTrack = TrackFactory::Get( *p ).NewWaveTrack();
|
||||
if (!first)
|
||||
first = newTrack.get();
|
||||
|
||||
// Quantize bounds to the rate of the new track.
|
||||
if (c == 0) {
|
||||
if (t0 < DBL_MAX)
|
||||
t0 = newTrack->LongSamplesToTime(newTrack->TimeToLongSamples(t0));
|
||||
if (t1 < DBL_MAX)
|
||||
t1 = newTrack->LongSamplesToTime(newTrack->TimeToLongSamples(t1));
|
||||
}
|
||||
|
||||
newTrack->SetOffset(t0);
|
||||
|
||||
wxString nameSuffix = wxString(wxT(""));
|
||||
|
||||
if (useTrackNumber) {
|
||||
nameSuffix += wxString::Format(wxT("%d"), 1 + numTracks + c);
|
||||
}
|
||||
|
||||
if (useDateStamp) {
|
||||
if (!nameSuffix.empty()) {
|
||||
nameSuffix += wxT("_");
|
||||
}
|
||||
nameSuffix += wxDateTime::Now().FormatISODate();
|
||||
}
|
||||
|
||||
if (useTimeStamp) {
|
||||
if (!nameSuffix.empty()) {
|
||||
nameSuffix += wxT("_");
|
||||
}
|
||||
nameSuffix += wxDateTime::Now().FormatISOTime();
|
||||
}
|
||||
|
||||
// ISO standard would be nice, but ":" is unsafe for file name.
|
||||
nameSuffix.Replace(wxT(":"), wxT("-"));
|
||||
|
||||
if (baseTrackName.empty()) {
|
||||
newTrack->SetName(nameSuffix);
|
||||
}
|
||||
else if (nameSuffix.empty()) {
|
||||
newTrack->SetName(baseTrackName);
|
||||
}
|
||||
else {
|
||||
newTrack->SetName(baseTrackName + wxT("_") + nameSuffix);
|
||||
}
|
||||
|
||||
if ((recordingChannels > 2) &&
|
||||
!(ProjectSettings::Get(*p).GetTracksFitVerticallyZoomed())) {
|
||||
newTrack->SetMinimized(true);
|
||||
}
|
||||
|
||||
TrackList::Get( *p ).RegisterPendingNewTrack( newTrack );
|
||||
transportTracks.captureTracks.push_back(newTrack);
|
||||
// Bug 1548. New track needs the focus.
|
||||
TrackPanel::Get( *p ).SetFocusedTrack( newTrack.get() );
|
||||
}
|
||||
TrackList::Get( *p ).GroupChannels(*first, recordingChannels);
|
||||
}
|
||||
|
||||
//Automated Input Level Adjustment Initialization
|
||||
#ifdef EXPERIMENTAL_AUTOMATED_INPUT_LEVEL_ADJUSTMENT
|
||||
gAudioIO->AILAInitialize();
|
||||
#endif
|
||||
|
||||
int token = gAudioIO->StartStream(transportTracks, t0, t1, options);
|
||||
|
||||
success = (token != 0);
|
||||
|
||||
if (success) {
|
||||
ProjectAudioIO::Get( *p ).SetAudioIOToken(token);
|
||||
mBusyProject = p;
|
||||
|
||||
StartScrollingIfPreferred();
|
||||
}
|
||||
else {
|
||||
CancelRecording();
|
||||
|
||||
// Show error message if stream could not be opened
|
||||
wxString msg = wxString::Format(_("Error opening recording device.\nError code: %s"), gAudioIO->LastPaErrorString());
|
||||
auto &window = ProjectWindow::Get( *::GetActiveProject() );
|
||||
ShowErrorDialog( &window, _("Error"), msg, wxT("Error_opening_sound_device") );
|
||||
}
|
||||
}
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
void TransportState::SetupCutPreviewTracks(double WXUNUSED(playStart), double cutStart,
|
||||
double cutEnd, double WXUNUSED(playEnd))
|
||||
|
||||
// STRONG-GUARANTEE (for state of mCutPreviewTracks)
|
||||
{
|
||||
ClearCutPreviewTracks();
|
||||
AudacityProject *p = GetActiveProject();
|
||||
if (p) {
|
||||
auto trackRange = TrackList::Get( *p ).Selected<const PlayableTrack>();
|
||||
if( !trackRange.empty() ) {
|
||||
auto cutPreviewTracks = TrackList::Create();
|
||||
for (const auto track1 : trackRange) {
|
||||
// Duplicate and change tracks
|
||||
// Clear has a very small chance of throwing
|
||||
|
||||
auto newTrack = track1->Duplicate();
|
||||
newTrack->Clear(cutStart, cutEnd);
|
||||
cutPreviewTracks->Add( newTrack );
|
||||
}
|
||||
// use NOTHROW-GUARANTEE:
|
||||
mCutPreviewTracks = cutPreviewTracks;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TransportState::ClearCutPreviewTracks()
|
||||
{
|
||||
if (mCutPreviewTracks)
|
||||
mCutPreviewTracks->Clear();
|
||||
mCutPreviewTracks.reset();
|
||||
}
|
||||
|
||||
bool TransportState::IsTransportingPinned()
|
||||
{
|
||||
if (!TracksPrefs::GetPinnedHeadPreference())
|
||||
return false;
|
||||
const auto &scrubber = Scrubber::Get( *::GetActiveProject() );
|
||||
return
|
||||
!(scrubber.HasMark() &&
|
||||
!scrubber.WasSpeedPlaying() &&
|
||||
!Scrubber::ShouldScrubPinned());
|
||||
}
|
||||
|
||||
void TransportState::StartScrollingIfPreferred()
|
||||
{
|
||||
if (IsTransportingPinned())
|
||||
StartScrolling();
|
||||
#ifdef __WXMAC__
|
||||
else if (Scrubber::Get ( *::GetActiveProject() ).HasMark()) {
|
||||
// PRL: cause many "unnecessary" refreshes. For reasons I don't understand,
|
||||
// doing this causes wheel rotation events (mapped from the double finger vertical
|
||||
// swipe) to be delivered more uniformly to the application, so that speed control
|
||||
// works better.
|
||||
auto &window = ProjectWindow::Get( *::GetActiveProject() );
|
||||
window.GetPlaybackScroller().Activate
|
||||
(ProjectWindow::PlaybackScroller::Mode::Refresh);
|
||||
}
|
||||
#endif
|
||||
else
|
||||
StopScrolling();
|
||||
}
|
||||
|
||||
void TransportState::StartScrolling()
|
||||
{
|
||||
using Mode = ProjectWindow::PlaybackScroller::Mode;
|
||||
const auto project = GetActiveProject();
|
||||
if (project) {
|
||||
auto mode = Mode::Pinned;
|
||||
|
||||
#if 0
|
||||
// Enable these lines to pin the playhead right instead of center,
|
||||
// when recording but not overdubbing.
|
||||
if (gAudioIO->GetNumCaptureChannels() > 0) {
|
||||
// recording
|
||||
|
||||
// Display a fixed recording head while scrolling the waves continuously.
|
||||
// If you overdub, you may want to anticipate some context in existing tracks,
|
||||
// so center the head. If not, put it rightmost to display as much wave as we can.
|
||||
bool duplex;
|
||||
#ifdef EXPERIMENTAL_DA
|
||||
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, false);
|
||||
#else
|
||||
gPrefs->Read(wxT("/AudioIO/Duplex"), &duplex, true);
|
||||
#endif
|
||||
if (duplex) {
|
||||
// See if there is really anything being overdubbed
|
||||
if (gAudioIO->GetNumPlaybackChannels() == 0)
|
||||
// No.
|
||||
duplex = false;
|
||||
}
|
||||
|
||||
if (!duplex)
|
||||
mode = Mode::Right;
|
||||
}
|
||||
#endif
|
||||
|
||||
auto &window = ProjectWindow::Get( *project );
|
||||
window.GetPlaybackScroller().Activate(mode);
|
||||
}
|
||||
}
|
||||
|
||||
void TransportState::StopScrolling()
|
||||
{
|
||||
const auto project = GetActiveProject();
|
||||
if(project) {
|
||||
auto &window = ProjectWindow::Get( *project );
|
||||
window.GetPlaybackScroller().Activate
|
||||
(ProjectWindow::PlaybackScroller::Mode::Off);
|
||||
}
|
||||
}
|
||||
|
||||
void TransportState::CommitRecording()
|
||||
{
|
||||
const auto project = GetActiveProject();
|
||||
TrackList::Get( *project ).ApplyPendingTracks();
|
||||
}
|
||||
|
||||
void TransportState::CancelRecording()
|
||||
{
|
||||
const auto project = GetActiveProject();
|
||||
TrackList::Get( *project ).ClearPendingTracks();
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user