442 lines
12 KiB
C++
442 lines
12 KiB
C++
#pragma once
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#ifndef TSOUND_T__INCLUDED
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#define TSOUND_T__INCLUDED
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#include "tsoundsample.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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template <class T>
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class DVAPI TSoundTrackT : public TSoundTrack
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{
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public:
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typedef T SampleType;
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//----------------------------------------------------------------------------
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TSoundTrackT(TUINT32 sampleRate, int channelCount, TINT32 sampleCount)
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: TSoundTrack(
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sampleRate, T::getBitPerSample(),
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channelCount, sizeof(T), sampleCount, T::isSampleSigned()) {}
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//----------------------------------------------------------------------------
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TSoundTrackT(TUINT32 sampleRate,
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int channelCount,
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TINT32 sampleCount,
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T *buffer,
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TSoundTrackT<T> *parent)
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: TSoundTrack(
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sampleRate, T::getBitPerSample(),
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channelCount, sizeof(T), sampleCount,
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reinterpret_cast<UCHAR *>(buffer), parent)
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{
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}
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//----------------------------------------------------------------------------
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~TSoundTrackT(){};
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//----------------------------------------------------------------------------
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bool isSampleSigned() const
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{
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return T::isSampleSigned();
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}
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//----------------------------------------------------------------------------
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//!Returns the const samples array
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const T *samples() const
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{
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return reinterpret_cast<T *>(m_buffer);
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}
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//----------------------------------------------------------------------------
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//!Returns the samples array
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T *samples()
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{
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return reinterpret_cast<T *>(m_buffer);
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}
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//----------------------------------------------------------------------------
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//!Returns a soundtrack whom is a clone of the object
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TSoundTrackP clone() const
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{
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TSoundTrackP dst = TSoundTrack::create(getFormat(), m_sampleCount);
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TSoundTrackP src(const_cast<TSoundTrack *>((const TSoundTrack *)this));
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dst->copy(src, (TINT32)0);
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return dst;
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}
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//----------------------------------------------------------------------------
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//!Extract the subtrack in the samples range [s0,s1] given in samples
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TSoundTrackP extract(TINT32 s0, TINT32 s1)
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{
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if (!m_buffer || s0 > s1)
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return TSoundTrackP();
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//addRef();
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TINT32 ss0, ss1;
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ss0 = tcrop<TINT32>(s0, (TINT32)0, getSampleCount() - 1);
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ss1 = tcrop<TINT32>(s1, (TINT32)0, getSampleCount() - 1);
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return TSoundTrackP(
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new TSoundTrackT<T>(
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getSampleRate(), getChannelCount(), ss1 - ss0 + 1,
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(T *)(m_buffer + (long)(ss0 * getSampleSize())), this));
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}
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//----------------------------------------------------------------------------
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/*!
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Returns a soundtrack whom is a clone of the object for the spicified channel
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A clone means that it's an object who lives indipendently from the other
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from which it's created.It hasn't reference to the object.
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*/
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TSoundTrackP clone(TSound::Channel chan) const
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{
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if (getChannelCount() == 1)
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return clone();
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else {
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typedef typename T::ChannelSampleType TCST;
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TSoundTrackT<TCST> *dst =
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new TSoundTrackT<TCST>(m_sampleRate, 1, getSampleCount());
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const T *sample = samples();
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const T *endSample = sample + getSampleCount();
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TCST *dstSample = dst->samples();
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while (sample < endSample) {
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*dstSample++ = sample->getValue(chan);
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sample++;
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}
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return dst;
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}
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}
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//----------------------------------------------------------------------------
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//!Copies from sample dst_s0 of object the samples of the soundtrack src
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void copy(const TSoundTrackP &src, TINT32 dst_s0)
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{
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TSoundTrackT<T> *srcT = dynamic_cast<TSoundTrackT<T> *>(src.getPointer());
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if (!srcT)
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throw(TException("Unable to copy from a track whose format is different"));
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T *srcSample = srcT->samples();
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T *srcEndSample = srcT->samples() + srcT->getSampleCount();
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T *dstEndSample = samples() + getSampleCount();
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TINT32 ss0 = tcrop<TINT32>(dst_s0, (TINT32)0, getSampleCount() - (TINT32)1);
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T *dstSample = samples() + ss0;
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while (srcSample < srcEndSample && dstSample < dstEndSample)
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*dstSample++ = *srcSample++;
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}
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//----------------------------------------------------------------------------
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//!Applies a trasformation (echo, reverb, ect) to the object and returns the transformed soundtrack
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#if defined(MACOSX) || defined(LINUX)
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TSoundTrackP apply(TSoundTransform *transform);
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#else // _WIN32
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TSoundTrackP apply(TSoundTransform *transform)
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{
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assert(transform);
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return transform->compute(*this);
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}
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#endif
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//----------------------------------------------------------------------------
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//! Returns the pressure of the sample s about the channel chan
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double getPressure(TINT32 s, TSound::Channel chan) const
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{
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assert(s >= 0 && s < getSampleCount());
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assert(m_buffer);
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const T *sample = samples() + s;
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assert(sample);
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return sample->getPressure(chan);
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}
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//----------------------------------------------------------------------------
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//!Returns the soundtrack pressure max and min values in the given sample range and channel
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void getMinMaxPressure(
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TINT32 s0, TINT32 s1, TSound::Channel chan,
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double &min, double &max) const
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{
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TINT32 sampleCount = getSampleCount();
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if (sampleCount <= 0) {
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min = 0;
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max = -1;
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return;
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}
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assert(s1 >= s0);
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TINT32 ss0, ss1;
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ss0 = tcrop<TINT32>(s0, (TINT32)0, sampleCount - (TINT32)1);
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ss1 = tcrop<TINT32>(s1, (TINT32)0, sampleCount - (TINT32)1);
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assert(ss1 >= ss0);
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if (s0 == s1) {
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min = max = getPressure(s0, chan);
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return;
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}
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const T *sample = samples() + ss0;
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assert(sample);
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min = max = sample->getPressure(chan);
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const T *endSample = sample + (ss1 - ss0 + 1);
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++sample;
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while (sample < endSample) {
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double value = sample->getPressure(chan);
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if (max < value)
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max = value;
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if (min > value)
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min = value;
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++sample;
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}
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}
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//----------------------------------------------------------------------------
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//!Returns the soundtrack pressure max value in the given sample range and channel
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double getMaxPressure(TINT32 s0, TINT32 s1, TSound::Channel chan) const
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{
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TINT32 sampleCount = getSampleCount();
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if (sampleCount <= 0) {
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return -1;
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}
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assert(s1 >= s0);
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TINT32 ss0, ss1;
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ss0 = tcrop<TINT32>(s0, (TINT32)0, sampleCount - (TINT32)1);
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ss1 = tcrop<TINT32>(s1, (TINT32)0, sampleCount - (TINT32)1);
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assert(ss1 >= ss0);
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if (s0 == s1)
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return (getPressure(s0, chan));
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const T *sample = samples() + ss0;
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assert(sample);
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double maxPressure = sample->getPressure(chan);
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const T *endSample = sample + (ss1 - ss0 + 1);
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++sample;
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while (sample < endSample) {
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if (maxPressure < sample->getPressure(chan))
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maxPressure = sample->getPressure(chan);
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++sample;
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}
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return ((double)maxPressure);
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}
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//----------------------------------------------------------------------------
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//!Returns the soundtrack pressure min value in the given sample range and channel
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double getMinPressure(TINT32 s0, TINT32 s1, TSound::Channel chan) const
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{
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TINT32 sampleCount = getSampleCount();
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if (sampleCount <= 0) {
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return 0;
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}
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assert(s1 >= s0);
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TINT32 ss0, ss1;
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ss0 = tcrop<TINT32>(s0, (TINT32)0, (TINT32)(getSampleCount() - (TINT32)1));
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ss1 = tcrop<TINT32>(s1, (TINT32)0, (TINT32)(getSampleCount() - (TINT32)1));
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assert(ss1 >= ss0);
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if (s0 == s1)
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return (getPressure(s0, chan));
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const T *sample = samples() + ss0;
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assert(sample);
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double minPressure = sample->getPressure(chan);
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const T *endSample = sample + (ss1 - ss0 + 1);
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++sample;
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while (sample < endSample) {
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if (minPressure > sample->getPressure(chan))
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minPressure = sample->getPressure(chan);
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++sample;
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}
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return ((double)minPressure);
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}
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//----------------------------------------------------------------------------
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/*!
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Copies the samples in the given sample range and channel
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inside the dstChan channel from sample dst_s0
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*/
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void copyChannel(
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const TSoundTrackT<T> &src, TINT32 src_s0, TINT32 src_s1,
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TSound::Channel srcChan, TINT32 dst_s0,
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TSound::Channel dstChan)
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{
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TINT32 ss0, ss1;
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//se i valori sono nel range ed uguali => voglio copiare il
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//canale di un solo campione
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if (src_s1 == src_s0 && src_s1 >= 0 && src_s1 < src.getSampleCount())
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ss0 = ss1 = src_s1;
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else {
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assert(src_s1 >= src_s0);
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ss0 = tcrop(src_s0, (TINT32)0, (TINT32)(src.getSampleCount() - 1));
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ss1 = tcrop(src_s1, (TINT32)0, (TINT32)(src.getSampleCount() - 1));
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assert(ss1 >= ss0);
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//esco perche' non ha senso copiare indiscriminatamente il primo
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//o l'ultimo campione della sorgente
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if (ss1 == ss0)
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return;
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}
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assert(dst_s0 >= 0L && dst_s0 < getSampleCount());
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const T *srcSample = src.samples() + ss0;
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const T *srcEndSample =
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srcSample + std::min((TINT32)(ss1 - ss0 + 1), (TINT32)(getSampleCount() - dst_s0));
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T *dstSample = samples() + dst_s0;
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for (; srcSample < srcEndSample; srcSample++, dstSample++)
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dstSample->setValue(srcChan, srcSample->getValue(dstChan));
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}
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//----------------------------------------------------------------------------
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//!Makes blank the samples in the given sample range
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void blank(TINT32 s0, TINT32 s1)
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{
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TINT32 ss0, ss1;
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//se i valori sono nel range ed uguali => voglio pulire
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//un solo campione
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if (s1 == s0 && s1 >= 0 && s1 < getSampleCount())
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ss0 = ss1 = s1;
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else {
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assert(s1 >= s0);
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ss0 = tcrop<TINT32>(s0, (TINT32)0, (TINT32)(getSampleCount() - 1));
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ss1 = tcrop<TINT32>(s1, (TINT32)0, (TINT32)(getSampleCount() - 1));
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assert(ss1 >= ss0);
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//esco perche' non ha senso pulire indiscriminatamente
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//il primo o l'ultimo campione
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if (ss1 == ss0)
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return;
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}
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T *sample = samples() + ss0;
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assert(sample);
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T blankSample;
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const T *endSample = sample + (ss1 - ss0 + 1);
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while (sample < endSample)
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*sample++ = blankSample;
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}
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//----------------------------------------------------------------------------
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//!Makes blank the samples in the given sample range and channel
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void blankChannel(TINT32 s0, TINT32 s1, TSound::Channel chan)
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{
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if (s0 > s1)
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return;
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// ....
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assert(false);
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}
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};
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//==============================================================================
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#ifdef _WIN32
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template class DVAPI TSoundTrackT<TMono8SignedSample>;
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template class DVAPI TSoundTrackT<TMono8UnsignedSample>;
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template class DVAPI TSoundTrackT<TStereo8SignedSample>;
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template class DVAPI TSoundTrackT<TStereo8UnsignedSample>;
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template class DVAPI TSoundTrackT<TMono16Sample>;
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template class DVAPI TSoundTrackT<TStereo16Sample>;
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template class DVAPI TSoundTrackT<TMono24Sample>;
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template class DVAPI TSoundTrackT<TStereo24Sample>;
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#endif
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typedef TSoundTrackT<TMono8SignedSample> TSoundTrackMono8Signed;
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typedef TSoundTrackT<TMono8UnsignedSample> TSoundTrackMono8Unsigned;
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typedef TSoundTrackT<TStereo8SignedSample> TSoundTrackStereo8Signed;
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typedef TSoundTrackT<TStereo8UnsignedSample> TSoundTrackStereo8Unsigned;
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typedef TSoundTrackT<TMono16Sample> TSoundTrackMono16;
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typedef TSoundTrackT<TStereo16Sample> TSoundTrackStereo16;
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typedef TSoundTrackT<TMono24Sample> TSoundTrackMono24;
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typedef TSoundTrackT<TStereo24Sample> TSoundTrackStereo24;
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//==============================================================================
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class TSoundTransform
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{
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public:
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TSoundTransform() {}
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virtual ~TSoundTransform() {}
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virtual TSoundTrackP compute(const TSoundTrackMono8Signed &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackMono8Unsigned &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackStereo8Signed &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackMono16 &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackStereo16 &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackMono24 &) { return 0; };
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virtual TSoundTrackP compute(const TSoundTrackStereo24 &) { return 0; };
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};
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//==============================================================================
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#if defined(MACOSX) || defined(LINUX)
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template <class T>
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DVAPI TSoundTrackP TSoundTrackT<T>::apply(TSoundTransform *transform)
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{
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assert(transform);
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return transform->compute(*this);
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}
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#endif
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#endif
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