#pragma once

#ifndef TSOUND_T__INCLUDED

#define TSOUND_T__INCLUDED

#include "tsoundsample.h"

#undef DVAPI

#undef DVVAR

#ifdef TSOUND_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=========================================================

template <class t=""></class>

class DVAPI TSoundTrackT : public TSoundTrack

{

public:

	typedef T SampleType;

	//----------------------------------------------------------------------------

	TSoundTrackT(TUINT32 sampleRate, int channelCount, TINT32 sampleCount)

		: TSoundTrack(

			  sampleRate, T::getBitPerSample(),

			  channelCount, sizeof(T), sampleCount, T::isSampleSigned()) {}

	//----------------------------------------------------------------------------

	TSoundTrackT(TUINT32 sampleRate,

				 int channelCount,

				 TINT32 sampleCount,

				 T *buffer,

				 TSoundTrackT<t> *parent)</t>

		: TSoundTrack(

			  sampleRate, T::getBitPerSample(),

			  channelCount, sizeof(T), sampleCount,

			  reinterpret_cast<uchar *="">(buffer), parent)</uchar>

	{

	}

	//----------------------------------------------------------------------------

	~TSoundTrackT(){};

	//----------------------------------------------------------------------------

	bool isSampleSigned() const

	{

		return T::isSampleSigned();

	}

	//----------------------------------------------------------------------------

	//!Returns the const samples array

	const T *samples() const

	{

		return reinterpret_cast<t *="">(m_buffer);</t>

	}

	//----------------------------------------------------------------------------

	//!Returns the samples array

	T *samples()

	{

		return reinterpret_cast<t *="">(m_buffer);</t>

	}

	//----------------------------------------------------------------------------

	//!Returns a soundtrack whom is a clone of the object

	TSoundTrackP clone() const

	{

		TSoundTrackP dst = TSoundTrack::create(getFormat(), m_sampleCount);

		TSoundTrackP src(const_cast<tsoundtrack *="">((const TSoundTrack *)this));</tsoundtrack>

		dst->copy(src, (TINT32)0);

		return dst;

	}

	//----------------------------------------------------------------------------

	//!Extract the subtrack in the samples range [s0,s1] given in samples

	TSoundTrackP extract(TINT32 s0, TINT32 s1)

	{

		if (!m_buffer || s0 > s1)

			return TSoundTrackP();

		//addRef();

		TINT32 ss0, ss1;

		ss0 = tcrop<tint32>(s0, (TINT32)0, getSampleCount() - 1);</tint32>

		ss1 = tcrop<tint32>(s1, (TINT32)0, getSampleCount() - 1);</tint32>

		return TSoundTrackP(

			new TSoundTrackT<t>(</t>

				getSampleRate(), getChannelCount(), ss1 - ss0 + 1,

				(T *)(m_buffer + (long)(ss0 * getSampleSize())), this));

	}

	//----------------------------------------------------------------------------

	/*!

    Returns a soundtrack whom is a clone of the object for the spicified channel

    A clone means that it's an object who lives indipendently from the other

    from which it's created.It hasn't reference to the object.

  */

	TSoundTrackP clone(TSound::Channel chan) const

	{

		if (getChannelCount() == 1)

			return clone();

		else {

			typedef typename T::ChannelSampleType TCST;

			TSoundTrackT<tcst> *dst =</tcst>

				new TSoundTrackT<tcst>(m_sampleRate, 1, getSampleCount());</tcst>

			const T *sample = samples();

			const T *endSample = sample + getSampleCount();

			TCST *dstSample = dst->samples();

			while (sample < endSample) {

				*dstSample++ = sample->getValue(chan);

				sample++;

			}

			return dst;

		}

	}

	//----------------------------------------------------------------------------

	//!Copies from sample dst_s0 of object the samples of the soundtrack src

	void copy(const TSoundTrackP &src, TINT32 dst_s0)

	{

		TSoundTrackT<t> *srcT = dynamic_cast<tsoundtrackt<t> *>(src.getPointer());</tsoundtrackt<t></t>

		if (!srcT)

			throw(TException("Unable to copy from a track whose format is different"));

		T *srcSample = srcT->samples();

		T *srcEndSample = srcT->samples() + srcT->getSampleCount();

		T *dstEndSample = samples() + getSampleCount();

		TINT32 ss0 = tcrop<tint32>(dst_s0, (TINT32)0, getSampleCount() - (TINT32)1);</tint32>

		T *dstSample = samples() + ss0;

		while (srcSample < srcEndSample && dstSample < dstEndSample)

			*dstSample++ = *srcSample++;

	}

//----------------------------------------------------------------------------

//!Applies a trasformation (echo, reverb, ect) to the object and returns the transformed soundtrack

#if defined(MACOSX) || defined(LINUX)

	TSoundTrackP apply(TSoundTransform *transform);

#else // _WIN32

	TSoundTrackP apply(TSoundTransform *transform)

	{

		assert(transform);

		return transform->compute(*this);

	}

#endif

	//----------------------------------------------------------------------------

	//! Returns the pressure of the sample s about the channel chan

	double getPressure(TINT32 s, TSound::Channel chan) const

	{

		assert(s >= 0 && s < getSampleCount());

		assert(m_buffer);

		const T *sample = samples() + s;

		assert(sample);

		return sample->getPressure(chan);

	}

	//----------------------------------------------------------------------------

	//!Returns the soundtrack pressure max and min values in the given sample range and channel

	void getMinMaxPressure(

		TINT32 s0, TINT32 s1, TSound::Channel chan,

		double &min, double &max) const

	{

		TINT32 sampleCount = getSampleCount();

		if (sampleCount <= 0) {

			min = 0;

			max = -1;

			return;

		}

		assert(s1 >= s0);

		TINT32 ss0, ss1;

		ss0 = tcrop<tint32>(s0, (TINT32)0, sampleCount - (TINT32)1);</tint32>

		ss1 = tcrop<tint32>(s1, (TINT32)0, sampleCount - (TINT32)1);</tint32>

		assert(ss1 >= ss0);

		if (s0 == s1) {

			min = max = getPressure(s0, chan);

			return;

		}

		const T *sample = samples() + ss0;

		assert(sample);

		min = max = sample->getPressure(chan);

		const T *endSample = sample + (ss1 - ss0 + 1);

		++sample;

		while (sample < endSample) {

			double value = sample->getPressure(chan);

			if (max < value)

				max = value;

			if (min > value)

				min = value;

			++sample;

		}

	}

	//----------------------------------------------------------------------------

	//!Returns the soundtrack pressure max value in the given sample range and channel

	double getMaxPressure(TINT32 s0, TINT32 s1, TSound::Channel chan) const

	{

		TINT32 sampleCount = getSampleCount();

		if (sampleCount <= 0) {

			return -1;

		}

		assert(s1 >= s0);

		TINT32 ss0, ss1;

		ss0 = tcrop<tint32>(s0, (TINT32)0, sampleCount - (TINT32)1);</tint32>

		ss1 = tcrop<tint32>(s1, (TINT32)0, sampleCount - (TINT32)1);</tint32>

		assert(ss1 >= ss0);

		if (s0 == s1)

			return (getPressure(s0, chan));

		const T *sample = samples() + ss0;

		assert(sample);

		double maxPressure = sample->getPressure(chan);

		const T *endSample = sample + (ss1 - ss0 + 1);

		++sample;

		while (sample < endSample) {

			if (maxPressure < sample->getPressure(chan))

				maxPressure = sample->getPressure(chan);

			++sample;

		}

		return ((double)maxPressure);

	}

	//----------------------------------------------------------------------------

	//!Returns the soundtrack pressure min value in the given sample range and channel

	double getMinPressure(TINT32 s0, TINT32 s1, TSound::Channel chan) const

	{

		TINT32 sampleCount = getSampleCount();

		if (sampleCount <= 0) {

			return 0;

		}

		assert(s1 >= s0);

		TINT32 ss0, ss1;

		ss0 = tcrop<tint32>(s0, (TINT32)0, (TINT32)(getSampleCount() - (TINT32)1));</tint32>

		ss1 = tcrop<tint32>(s1, (TINT32)0, (TINT32)(getSampleCount() - (TINT32)1));</tint32>

		assert(ss1 >= ss0);

		if (s0 == s1)

			return (getPressure(s0, chan));

		const T *sample = samples() + ss0;

		assert(sample);

		double minPressure = sample->getPressure(chan);

		const T *endSample = sample + (ss1 - ss0 + 1);

		++sample;

		while (sample < endSample) {

			if (minPressure > sample->getPressure(chan))

				minPressure = sample->getPressure(chan);

			++sample;

		}

		return ((double)minPressure);

	}

	//----------------------------------------------------------------------------

	/*!

    Copies the samples in the given sample range and channel

    inside the dstChan channel from sample dst_s0

  */

	void copyChannel(

		const TSoundTrackT<t> &src, TINT32 src_s0, TINT32 src_s1,</t>

		TSound::Channel srcChan, TINT32 dst_s0,

		TSound::Channel dstChan)

	{

		TINT32 ss0, ss1;

		//se i valori sono nel range ed uguali => voglio copiare il

		//canale di un solo campione

		if (src_s1 == src_s0 && src_s1 >= 0 && src_s1 < src.getSampleCount())

			ss0 = ss1 = src_s1;

		else {

			assert(src_s1 >= src_s0);

			ss0 = tcrop(src_s0, (TINT32)0, (TINT32)(src.getSampleCount() - 1));

			ss1 = tcrop(src_s1, (TINT32)0, (TINT32)(src.getSampleCount() - 1));

			assert(ss1 >= ss0);

			//esco perche' non ha senso copiare indiscriminatamente il primo

			//o l'ultimo campione della sorgente

			if (ss1 == ss0)

				return;

		}

		assert(dst_s0 >= 0L && dst_s0 < getSampleCount());

		const T *srcSample = src.samples() + ss0;

		const T *srcEndSample =

			srcSample + tmin((TINT32)(ss1 - ss0 + 1), (TINT32)(getSampleCount() - dst_s0));

		T *dstSample = samples() + dst_s0;

		for (; srcSample < srcEndSample; srcSample++, dstSample++)

			dstSample->setValue(srcChan, srcSample->getValue(dstChan));

	}

	//----------------------------------------------------------------------------

	//!Makes blank the samples in the given sample range

	void blank(TINT32 s0, TINT32 s1)

	{

		TINT32 ss0, ss1;

		//se i valori sono nel range ed uguali => voglio pulire

		//un solo campione

		if (s1 == s0 && s1 >= 0 && s1 < getSampleCount())

			ss0 = ss1 = s1;

		else {

			assert(s1 >= s0);

			ss0 = tcrop<tint32>(s0, (TINT32)0, (TINT32)(getSampleCount() - 1));</tint32>

			ss1 = tcrop<tint32>(s1, (TINT32)0, (TINT32)(getSampleCount() - 1));</tint32>

			assert(ss1 >= ss0);

			//esco perche' non ha senso pulire indiscriminatamente

			//il primo o l'ultimo campione

			if (ss1 == ss0)

				return;

		}

		T *sample = samples() + ss0;

		assert(sample);

		T blankSample;

		const T *endSample = sample + (ss1 - ss0 + 1);

		while (sample < endSample)

			*sample++ = blankSample;

	}

	//----------------------------------------------------------------------------

	//!Makes blank the samples in the given sample range and channel

	void blankChannel(TINT32 s0, TINT32 s1, TSound::Channel chan)

	{

		if (s0 > s1)

			return;

		// ....

		assert(false);

	}

};

//==============================================================================

#ifdef _WIN32

template class DVAPI TSoundTrackT<tmono8signedsample>;</tmono8signedsample>

template class DVAPI TSoundTrackT<tmono8unsignedsample>;</tmono8unsignedsample>

template class DVAPI TSoundTrackT<tstereo8signedsample>;</tstereo8signedsample>

template class DVAPI TSoundTrackT<tstereo8unsignedsample>;</tstereo8unsignedsample>

template class DVAPI TSoundTrackT<tmono16sample>;</tmono16sample>

template class DVAPI TSoundTrackT<tstereo16sample>;</tstereo16sample>

template class DVAPI TSoundTrackT<tmono24sample>;</tmono24sample>

template class DVAPI TSoundTrackT<tstereo24sample>;</tstereo24sample>

#endif

typedef TSoundTrackT<tmono8signedsample> TSoundTrackMono8Signed;</tmono8signedsample>

typedef TSoundTrackT<tmono8unsignedsample> TSoundTrackMono8Unsigned;</tmono8unsignedsample>

typedef TSoundTrackT<tstereo8signedsample> TSoundTrackStereo8Signed;</tstereo8signedsample>

typedef TSoundTrackT<tstereo8unsignedsample> TSoundTrackStereo8Unsigned;</tstereo8unsignedsample>

typedef TSoundTrackT<tmono16sample> TSoundTrackMono16;</tmono16sample>

typedef TSoundTrackT<tstereo16sample> TSoundTrackStereo16;</tstereo16sample>

typedef TSoundTrackT<tmono24sample> TSoundTrackMono24;</tmono24sample>

typedef TSoundTrackT<tstereo24sample> TSoundTrackStereo24;</tstereo24sample>

//==============================================================================

class TSoundTransform

{

public:

	TSoundTransform() {}

	virtual ~TSoundTransform() {}

	virtual TSoundTrackP compute(const TSoundTrackMono8Signed &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackMono8Unsigned &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackStereo8Signed &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackMono16 &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackStereo16 &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackMono24 &) { return 0; };

	virtual TSoundTrackP compute(const TSoundTrackStereo24 &) { return 0; };

};

//==============================================================================

#if defined(MACOSX) || defined(LINUX)

template <class t=""></class>

DVAPI TSoundTrackP TSoundTrackT<t>::apply(TSoundTransform *transform)</t>

{

	assert(transform);

	return transform->compute(*this);

}

#endif

#endif