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/**********************************************************************
Audacity: A Digital Audio Editor
SampleTrack.h
@brief abstract Track sub-type that maps times to sample values
Paul Licameli split from WaveTrack.h
**********************************************************************/
#ifndef __AUDACITY_SAMPLE_TRACK__
#define __AUDACITY_SAMPLE_TRACK__
#include "AudioIOSequences.h"
#include "PlayableTrack.h"
#include "SampleCount.h"
#include "SampleFormat.h"
enum class sampleFormat : unsigned;
class SampleTrack;
class SAMPLE_TRACK_API SampleTrack /* not final */
: public PlayableTrack
, public PlayableSequence
{
public:
SampleTrack();
SampleTrack(const SampleTrack &other, ProtectedCreationArg&&);
~SampleTrack() override;
// Fix the otherwise ambiguous lookup of these virtual function names
using ChannelGroup::GetStartTime;
using ChannelGroup::GetEndTime;
const TypeInfo &GetTypeInfo() const override;
static const TypeInfo &ClassTypeInfo();
virtual sampleFormat GetSampleFormat() const = 0;
using WideSampleSequence::GetFloats;
};
ENUMERATE_TRACK_TYPE(SampleTrack)
class SAMPLE_TRACK_API WritableSampleTrack /* not final */
: public SampleTrack
, public RecordableSequence
{
public:
WritableSampleTrack();
WritableSampleTrack(
const WritableSampleTrack &other, ProtectedCreationArg&&);
~WritableSampleTrack() override;
// Resolve ambiguous lookups
using ChannelGroup::NChannels;
// Needed to resolve ambiguity with WideSampleSequence::GetRate, when this
// abstract interface is used directly.
// Expect the concrete subclass to define a common override for them.
using RecordableSequence::GetRate;
const TypeInfo &GetTypeInfo() const override;
static const TypeInfo &ClassTypeInfo();
};
ENUMERATE_TRACK_TYPE(WritableSampleTrack)
#endif
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