mirror of https://github.com/AxioDL/amuse.git
119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
#include "amuse/AudioGroupSampleDirectory.hpp"
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#include "amuse/Common.hpp"
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namespace amuse
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{
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void AudioGroupSampleDirectory::Entry::swapBig()
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{
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m_sfxId = SBig(m_sfxId);
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m_sampleOff = SBig(m_sampleOff);
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m_unk = SBig(m_unk);
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m_sampleRate = SBig(m_sampleRate);
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m_numSamples = SBig(m_numSamples);
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m_loopStartSample = SBig(m_loopStartSample);
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m_loopLengthSamples = SBig(m_loopLengthSamples);
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m_adpcmParmOffset = SBig(m_adpcmParmOffset);
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}
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void AudioGroupSampleDirectory::ADPCMParms::swapBig()
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{
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m_bytesPerFrame = SBig(m_bytesPerFrame);
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m_hist2 = SBig(m_hist2);
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m_hist1 = SBig(m_hist1);
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for (int i=0 ; i<8 ; ++i)
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{
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m_coefs[i][0] = SBig(m_coefs[i][0]);
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m_coefs[i][1] = SBig(m_coefs[i][1]);
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}
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}
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AudioGroupSampleDirectory::AudioGroupSampleDirectory(const unsigned char* data, GCNDataTag)
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{
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const unsigned char* cur = data;
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while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
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{
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const AudioGroupSampleDirectory::Entry* ent =
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reinterpret_cast<const AudioGroupSampleDirectory::Entry*>(cur);
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std::pair<Entry, ADPCMParms>& store = m_entries[SBig(ent->m_sfxId)];
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store.first = *ent;
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store.first.swapBig();
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if (store.first.m_adpcmParmOffset)
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{
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const AudioGroupSampleDirectory::ADPCMParms* adpcm =
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reinterpret_cast<const AudioGroupSampleDirectory::ADPCMParms*>(data +
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store.first.m_adpcmParmOffset);
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store.second = *adpcm;
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store.second.swapBig();
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}
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cur += 32;
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}
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}
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struct MusyX1SdirEntry
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{
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uint16_t m_sfxId;
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uint32_t m_sampleOff;
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uint32_t m_pitchSampleRate;
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uint32_t m_numSamples;
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uint32_t m_loopStartSample;
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uint32_t m_loopLengthSamples;
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void swapBig()
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{
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m_sfxId = SBig(m_sfxId);
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m_sampleOff = SBig(m_sampleOff);
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m_pitchSampleRate = SBig(m_pitchSampleRate);
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m_numSamples = SBig(m_numSamples);
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m_loopStartSample = SBig(m_loopStartSample);
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m_loopLengthSamples = SBig(m_loopLengthSamples);
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}
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void setIntoMusyX2(AudioGroupSampleDirectory::Entry& ent) const
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{
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ent.m_sfxId = m_sfxId;
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ent.m_sampleOff = m_sampleOff;
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ent.m_unk = 0;
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ent.m_pitch = m_pitchSampleRate >> 24;
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ent.m_sampleRate = m_pitchSampleRate & 0xffff;
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ent.m_numSamples = m_numSamples;
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ent.m_loopStartSample = m_loopStartSample;
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ent.m_loopLengthSamples = m_loopLengthSamples;
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ent.m_adpcmParmOffset = 0;
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}
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};
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AudioGroupSampleDirectory::AudioGroupSampleDirectory(const unsigned char* data, N64DataTag)
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{
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const unsigned char* cur = data;
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while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
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{
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MusyX1SdirEntry ent = *reinterpret_cast<const MusyX1SdirEntry*>(cur);
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ent.swapBig();
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std::pair<Entry, ADPCMParms>& store = m_entries[ent.m_sfxId];
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ent.setIntoMusyX2(store.first);
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cur += 24;
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}
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}
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AudioGroupSampleDirectory::AudioGroupSampleDirectory(const unsigned char* data, PCDataTag)
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{
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const unsigned char* cur = data;
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while (*reinterpret_cast<const uint32_t*>(cur) != 0xffffffff)
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{
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const MusyX1SdirEntry* ent = reinterpret_cast<const MusyX1SdirEntry*>(cur);
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std::pair<Entry, ADPCMParms>& store = m_entries[ent->m_sfxId];
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ent->setIntoMusyX2(store.first);
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cur += 24;
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}
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}
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}
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