LabelTrack.cpp File Reference

#include "LabelTrack.h"
#include <algorithm>
#include <limits.h>
#include <float.h>
#include <wx/log.h>
#include <wx/tokenzr.h>
#include <wx/datetime.h>
#include "Prefs.h"
#include "Project.h"
#include "prefs/ImportExportPrefs.h"
#include "TimeWarper.h"
#include "AudacityMessageBox.h"
#include "ShuttleGui.h"

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Namespaces
namespace	anonymous_namespace{LabelTrack.cpp}

Functions
static const Track::TypeInfo &	typeInfo ()
void	anonymous_namespace{LabelTrack.cpp}::AddControls (ShuttleGui &S)
static double	SubRipTimestampToDouble (const wxString &ts)
static wxString	SubRipTimestampFromDouble (double timestamp, bool webvtt)

Variables
static ProjectFileIORegistry::ObjectReaderEntry	readerEntry
static EnumSetting< bool >	anonymous_namespace{LabelTrack.cpp}::LabelStyleSetting
ImportExportPrefs::RegisteredControls	anonymous_namespace{LabelTrack.cpp}::reg { wxT("LabelStyle"), AddControls }

Function Documentation

SubRipTimestampFromDouble()

static wxString SubRipTimestampFromDouble ( double  timestamp, bool  webvtt  )

static

Definition at line 558 of file LabelTrack.cpp.

{
   // Note that the SubRip format always uses the comma as its separator...
   static constexpr auto subripFormat = wxT("%H:%M:%S,%l");
   // ... while WebVTT always used the period.
   // WebVTT also allows skipping the hour part, but doesn't require doing so.
   static constexpr auto webvttFormat = wxT("%H:%M:%S.%l");
 
   // dt is the datetime that is timestamp seconds after Jan 1, 1970 UTC.
   wxDateTime dt { (time_t) timestamp };
   dt.SetMillisecond(wxRound(timestamp * 1000) % 1000);
 
   // As such, we need to use UTC when formatting it, or else the time will
   // be shifted (assuming the user is not in the UTC timezone).
   return dt.Format(webvtt ? webvttFormat : subripFormat, wxDateTime::UTC);
}

References wxT().

Referenced by LabelStruct::Export().

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SubRipTimestampToDouble()

static double SubRipTimestampToDouble ( const wxString &  ts )

static

Definition at line 427 of file LabelTrack.cpp.

{
   wxString::const_iterator end;
   wxDateTime dt;
 
   if (!dt.ParseFormat(ts, wxT("%H:%M:%S,%l"), &end) || end != ts.end())
      throw LabelStruct::BadFormatException{};
 
   return dt.GetHour() * 3600 + dt.GetMinute() * 60 + dt.GetSecond()
      + dt.GetMillisecond() / 1000.0;
}

References details::end(), and wxT().

Referenced by LabelStruct::Import().

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typeInfo()

static const Track::TypeInfo & typeInfo ( )

static

Definition at line 125 of file LabelTrack.cpp.

{
   static Track::TypeInfo info{
      { "label", "label", XO("Label Track") }, true, &Track::ClassTypeInfo() };
   return info;
}

References Track::ClassTypeInfo(), and XO().

Referenced by LabelTrack::ClassTypeInfo(), and LabelTrack::GetTypeInfo().

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Variable Documentation

readerEntry

ProjectFileIORegistry::ObjectReaderEntry readerEntry

static

Initial value:

{
   "labeltrack",
   LabelTrack::New
}

Definition at line 77 of file LabelTrack.cpp.