TimeStretching.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  TimeStretching.h
 
  Paul Licameli split from WaveTrackUtilities.h
 
  @brief Various operations on WaveTrack, related to time stretching
 
**********************************************************************/
#ifndef __AUDACITY_TIME_STRETCHING__
#define __AUDACITY_TIME_STRETCHING__
 
#include "Internat.h"
#include "IteratorX.h"
#include "TranslatableString.h"
#include "WaveTrack.h"
#include <unordered_set>
 
class WaveTrack;
using ProgressReporter = std::function<void(double)>;
 
namespace TimeStretching {
 
WAVE_TRACK_API
bool HasPitchOrSpeed(const WaveTrack &track, double t0, double t1);
 
extern WAVE_TRACK_API const TranslatableString defaultStretchRenderingTitle;
 
// Calls UserException::WithCancellableProgress supplying title and caption
WAVE_TRACK_API void WithClipRenderingProgress(
   std::function<void(const ProgressReporter&)> action,
   TranslatableString title = defaultStretchRenderingTitle);
 
WAVE_TRACK_API bool SetClipStretchRatio(
   const WaveTrack& track, WaveTrack::Interval& interval, double stretchRatio);
}
 
#endif