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#pragma once
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Toshihiro Shimizu 890ddd
#ifndef TSOUND_INCLUDED
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#define TSOUND_INCLUDED
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#include <memory></memory>
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#include "tsmartpointer.h"
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#include "texception.h"
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#include "tthreadmessage.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TSOUND_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//=========================================================
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namespace TSound {
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typedef UCHAR Channel;
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const int MONO  = 0;
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const int LEFT  = 0;
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const int RIGHT = LEFT + 1;
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}
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//=========================================================
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// forward declarations
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class TSoundTrack;
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class TSoundTransform;
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Shinya Kitaoka 9f5a1b
#ifdef _WIN32
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template class DVAPI TSmartPointerT<tsoundtrack>;</tsoundtrack>
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#endif
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typedef TSmartPointerT<tsoundtrack> TSoundTrackP;</tsoundtrack>
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//==============================================================================
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/*!
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  The class TSoundTrackFormat contains the main features of a TSoundTrack as:
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  sample rate, bit per sample, number of channels and signed or unsigned sample
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*/
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class DVAPI TSoundTrackFormat {
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public:
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  TUINT32 m_sampleRate;  // frequenza di campionamento
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  int m_bitPerSample;    // numero di bit per campione
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  int m_channelCount;    // numero di canali
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  bool m_signedSample;
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  TSoundTrackFormat(TUINT32 sampleRate = 0, int bitPerSample = 0,
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                    int channelCount = 0, bool signedSample = true)
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      : m_sampleRate(sampleRate)
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      , m_bitPerSample(bitPerSample)
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      , m_channelCount(channelCount)
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      , m_signedSample(signedSample) {}
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  ~TSoundTrackFormat() {}
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  bool operator==(const TSoundTrackFormat &rhs);
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  bool operator!=(const TSoundTrackFormat &rhs);
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};
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//==============================================================================
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//! \include sound_ex.cpp
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/*!
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  The class TSoundTrack contains all features about a sound track
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  and gives all methods to access to these informations
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*/
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class DVAPI TSoundTrack : public TSmartObject {
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  DECLARE_CLASS_CODE
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protected:
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  TUINT32 m_sampleRate;  // frequenza di campionamento
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  int m_sampleSize;      // numero di byte per campione
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  int m_bitPerSample;    // numero di bit per campione
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  TINT32 m_sampleCount;  // numero di campioni
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  int m_channelCount;    // numero di canali
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  TSoundTrack *m_parent;  // nel caso di sotto-traccie
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  UCHAR *m_buffer;
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  bool m_bufferOwner;
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  TSoundTrack();
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  TSoundTrack(TUINT32 sampleRate, int bitPerSample, int channelCount,
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              int sampleSize, TINT32 sampleCount, bool isSampleSigned);
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  TSoundTrack(TUINT32 sampleRate, int bitPerSample, int channelCount,
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              int sampleSize, TINT32 sampleCount, UCHAR *buffer,
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              TSoundTrack *parent);
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public:
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  /*!
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Create a new soundtrack according to the sample rate, bits per sample, number
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of channels and number of samples specified as inputs.
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signedSample must be true for tracks whose samples are signed
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*/
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  static TSoundTrackP create(TUINT32 sampleRate, int bitPerSample,
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                             int channelCount, TINT32 sampleCount,
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                             bool signedSample = true);
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  static TSoundTrackP create(TUINT32 sampleRate, int bitPerSample,
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                             int channelCount, TINT32 sampleCount, void *buffer,
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                             bool signedSample = true);
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  /*!
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Create a new soundtrack according to the format and number of samples
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specified as inputs
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*/
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  static TSoundTrackP create(const TSoundTrackFormat &format,
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                             TINT32 sampleCount);
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  static TSoundTrackP create(const TSoundTrackFormat &format,
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                             TINT32 sampleCount, void *buffer);
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  ~TSoundTrack();
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  //! Converts from seconds to samples according to the soundtrack sample rate
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  TINT32 secondsToSamples(double sec) const;
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  //! Converts from samples to seconds according to the soundtrack sample rate
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  double samplesToSeconds(TINT32 smp) const;
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  TUINT32 getSampleRate() const { return m_sampleRate; }
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  int getSampleSize() const { return m_sampleSize; }
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  int getChannelCount() const { return m_channelCount; }
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  int getBitPerSample() const { return m_bitPerSample; }
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  TINT32 getSampleCount() const { return m_sampleCount; }
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  //! Returns the duration of the soundtrack in seconds.
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  double getDuration() const;
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  //! Returns true if the samples of the soundtrack are signed, false otherwise
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  virtual bool isSampleSigned() const = 0;
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  //! Returns the soundtrack format
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  TSoundTrackFormat getFormat() const;
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  //! Returns a pointer to the samples buffer.
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  const UCHAR *getRawData() const { return m_buffer; };
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  void setSampleRate(TUINT32 sampleRate) { m_sampleRate = sampleRate; }
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  //! Clones the soundtrack
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  virtual TSoundTrackP clone() const = 0;
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  //! Returns a soundtrack that contains just the cloned channel
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  virtual TSoundTrackP clone(TSound::Channel chan) const = 0;
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  //! Returns a subtrack for the range [s0, s1], s0 and s1 are samples
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  virtual TSoundTrackP extract(TINT32 s0, TINT32 s1) = 0;
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  //! Returns a subtrack for the range [t0, t1], t0 and t1 are seconds
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  TSoundTrackP extract(double t0, double t1);
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  /*!
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Copies the all samples of the source soundtrack
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to the object, starting from dst_s0.
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dst_s0 is expressed in samples.
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*/
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  virtual void copy(const TSoundTrackP &src, TINT32 dst_s0) = 0;
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  /*!
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Copies the all samples of the source soundtrack
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to the object, starting from dst_t0.
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dst_t0 is expressed in seconds.
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*/
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  void copy(const TSoundTrackP &src, double dst_t0);
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  //! Blanks the soundtrack in the given range
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  virtual void blank(TINT32 s0, TINT32 s1) = 0;
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  /*!
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Blanks the soundtrack in the given range. Range is expressed in seconds.
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*/
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  void blank(double t0, double t1);
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  /*!
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Returns a new soundtrack obtained applying the given sound tranform
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to the soundtrack
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*/
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  virtual TSoundTrackP apply(TSoundTransform *) = 0;
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  //! Returns the soundtrack pressure value for the given sample and channel:
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  //! range [-1,1]
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  virtual double getPressure(TINT32 sample, TSound::Channel chan) const = 0;
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  //! Returns the soundtrack pressure value for the given time and channel
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  double getPressure(double second, TSound::Channel chan) const;
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  //! Returns the soundtrack pressure max and min values in the given sample
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  //! range and channel
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  virtual void getMinMaxPressure(TINT32 s0, TINT32 s1, TSound::Channel chan,
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                                 double &min, double &max) const = 0;
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  /*!
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Returns the soundtrack pressure min and max values in the given range and
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channel.
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Range in seconds
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*/
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  void getMinMaxPressure(double t0, double t1, TSound::Channel chan,
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                         double &min, double &max) const;
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  //! Returns the soundtrack pressure min and max values for the given channel
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  void getMinMaxPressure(TSound::Channel chan, double &min, double &max) const;
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  //! Returns the soundtrack pressure max value in the given sample range and
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  //! channel
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  virtual double getMaxPressure(TINT32 s0, TINT32 s1,
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                                TSound::Channel chan) const = 0;
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  /*!
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Returns the soundtrack pressure min value in the given range and channel.
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Range in seconds
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*/
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  double getMaxPressure(double t0, double t1, TSound::Channel chan) const;
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  //! Returns the soundtrack pressure max value for the given channel
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  double getMaxPressure(TSound::Channel chan) const;
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  //! Returns the soundtrack pressure max value in the given sample range and
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  //! channel
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  virtual double getMinPressure(TINT32 s0, TINT32 s1,
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                                TSound::Channel chan) const = 0;
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  /*!
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Returns the soundtrack pressure mix value in the given sample range and channel
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Range in seconds
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*/
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  double getMinPressure(double t0, double t1, TSound::Channel chan) const;
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  //! Returns the soundtrack pressure min value for the given channel
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  double getMinPressure(TSound::Channel chan) const;
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};
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//==============================================================================
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Shinya Kitaoka d1f6c4
class TSoundDeviceException final : public TException {
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public:
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  enum Type {
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    FailedInit,  // fallimento del costruttore
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    UnableOpenDevice,
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    UnableCloseDevice,
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    UnablePrepare,      // non puo' preparare i blocchi per play o rec
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    UnsupportedFormat,  // formato non supportato
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    UnableSetDevice,    // non puo' impostare il device richiesto
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    UnableVolume,       // non puo' leggere o scrivere il valore del volume
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    NoMixer,            // assenza del dispositivo per regolare il volume
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    Busy                // indica che il dispositivo gia' sta facendo
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                        // un play od una registrazione
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  };
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  TSoundDeviceException(Type type, const std::string &msg)
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      : TException(msg), m_type(type) {}
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  TSoundDeviceException(Type type, const std::wstring &msg)
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      : TException(msg), m_type(type) {}
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  Type getType() { return m_type; }
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private:
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  Type m_type;
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};
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//==============================================================================
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// forward declaration
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class TSoundInputDeviceImp;
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//! \include sndInDev_ex.cpp
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/*!
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  The class TSoundInputDevice permits the recording of a new sound track
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*/
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class DVAPI TSoundInputDevice {
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  std::shared_ptr<tsoundinputdeviceimp> m_imp;</tsoundinputdeviceimp>
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public:
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  enum Source { Mic = 0, LineIn, DigitalIn, CdAudio };
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  TSoundInputDevice();
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  ~TSoundInputDevice();
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  /*!
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Returns true if on the machine there is an audio card installed correctly
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*/
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  static bool installed();
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  //! Returns the best format supported near the given parameters
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  TSoundTrackFormat getPreferredFormat(TUINT32 sampleRate, int channelCount,
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                                       int bitPerSample);
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  //! Returns the best format supported near the given format
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  TSoundTrackFormat getPreferredFormat(const TSoundTrackFormat &);
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  //! Returns true if is possible to change volume setting on current input
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  //! interface
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  bool supportsVolume();
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  //! Starts the recording of a soundtrack with the given format from the given
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  //! source.
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  void record(const TSoundTrackFormat &format, Source devtype = Mic);
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  /*!
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Starts the recording over the soundtrack st from the given source.
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If not stopped before, recording ends when the whole soundtrack has been
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overwritten.
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*/
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  void record(const TSoundTrackP &st, Source src = Mic);
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  //! Stops the recording and returns the result of recording.
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  TSoundTrackP stop();
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  //! Return the current value of the volume
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  double getVolume();
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  //! Set the value of the volume
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  bool setVolume(double value);
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  //! Returns true if and only if the device is recording
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  bool isRecording();
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};
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//=============================================================================
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/*!
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  The class TSoundOutputDeviceListener permits to notify to other object
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  if a playback is completed. Use it as base class that needs to know if
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  a playback is ended
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*/
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class DVAPI TSoundOutputDeviceListener {
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public:
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  virtual ~TSoundOutputDeviceListener(){};
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  virtual void onPlayCompleted() = 0;
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};
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//==============================================================================
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class TSoundOutputDeviceImp;
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//! \include sndOutDev_ex.cpp
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/*!
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  The class TSoundOutputDevice permits the playback of a sound track
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*/
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class DVAPI TSoundOutputDevice {
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  std::shared_ptr<tsoundoutputdeviceimp> m_imp;</tsoundoutputdeviceimp>
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public:
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  TSoundOutputDevice();
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  ~TSoundOutputDevice();
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  /*!
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Returns true if on the machine there is an audio card installed correctly
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*/
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  static bool installed();
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  //! Returns the best format supported near the given parameters
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  TSoundTrackFormat getPreferredFormat(TUINT32 sampleRate, int channelCount,
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                                       int bitPerSample);
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  //! Returns the best format supported near the given format
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  TSoundTrackFormat getPreferredFormat(const TSoundTrackFormat &);
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  bool isFormatSupported(const TSoundTrackFormat &);
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#ifdef MACOSX
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  //! Returns true if is possible to change volume setting on current input
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  //! interface
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  bool supportsVolume();
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  //! Returns the current value of the volume [0,1]
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  double getVolume();
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  //! Set the value of volume , between [0,1]
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  bool setVolume(double value);
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#endif
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  //! Open the device according to the features of soundtrack
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  bool open(const TSoundTrackP &st);
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  //! Playback of the sndtrack in the request sample range
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  void play(const TSoundTrackP &st, TINT32 s0, TINT32 s1, bool loop = false,
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            bool scrubbing = false);
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  //! Close in the right mode the device
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  bool close();
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  /*!Playback of the sndtrack in the request time range.
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The loop argument permits to set the looping status of player
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The scrubbing permits to an application to set the mode for the
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interaction between sound and mouse
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*/
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  void play(const TSoundTrackP &st, double t0, double t1, bool loop = false,
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            bool scrubbing = false) {
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    play(st, st->secondsToSamples(t0), st->secondsToSamples(t1), loop,
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         scrubbing);
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  }
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  //! Stop the playback of one or more soundtracks
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  void stop();
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  //! Returns if the device is busy with a playback
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  bool isPlaying() const;
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#ifndef MACOSX
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  //! Return true if the playback of all soundtracks is ended.
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  bool isAllQueuedItemsPlayed();
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#endif
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  //! Returns if the status of player is in looping
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  bool isLooping();
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  //! Permits to change the looping status of player
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  void setLooping(bool loop);
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  void attach(TSoundOutputDeviceListener *listener);
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  void detach(TSoundOutputDeviceListener *listener);
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};
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Toshihiro Shimizu 890ddd
#endif