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amuse
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PC SNG decoder fixes

This commit is contained in:
Jack Andersen 2016-06-27 12:43:04 -10:00
parent c7f093c5ee
commit d6b9d4fca1
3 changed files with 10 additions and 46 deletions
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2
include/amuse/SongState.hpp
View File

@ -45,7 +45,7 @@ class SongState
uint16_t m_unk2;
int16_t m_regionIndex;
int16_t m_unk3;
bool indexValid() const;
bool indexValid(bool bigEndian) const;
};
/** Tempo change entry */

22
lib/SongConverter.cpp
View File

@ -711,7 +711,7 @@ std::vector<uint8_t> SongConverter::SongToMIDI(const unsigned char* data, Target
std::multimap<int, Event> allEvents;
/* Iterate all regions */
while (trk->m_nextRegion->indexValid())
while (trk->m_nextRegion->indexValid(song.m_bigEndian))
{
std::multimap<int, Event> events;
trk->advanceRegion(nullptr);
@ -814,30 +814,12 @@ std::vector<uint8_t> SongConverter::SongToMIDI(const unsigned char* data, Target
while (true)
{
/* Load next command */
if ((song.m_bigEndian && *reinterpret_cast<const uint32_t*>(trk->m_data) == 0xffff0000) ||
(!song.m_bigEndian && *reinterpret_cast<const uint32_t*>(trk->m_data) == 0xffff))
if (*reinterpret_cast<const uint16_t*>(&trk->m_data[2]) == 0xffff)
{
/* End of channel */
trk->m_data = nullptr;
break;
}
#if 0
else if (trk->m_data[0] & 0x80 && trk->m_data[1] & 0x80)
{
/* Control change */
uint8_t val = trk->m_data[0] & 0x7f;
uint8_t ctrl = trk->m_data[1] & 0x7f;
events.emplace(regStart + trk->m_eventWaitCountdown, Event{CtrlEvent{}, trk->m_midiChan, ctrl, val, 0});
trk->m_data += 2;
}
else if (trk->m_data[0] & 0x80)
{
/* Program change */
uint8_t prog = trk->m_data[0] & 0x7f;
events.emplace(regStart + trk->m_eventWaitCountdown, Event{ProgEvent{}, trk->m_midiChan, prog});
trk->m_data += 2;
}
#endif
else
{
if ((trk->m_data[2] & 0x80) != 0x80)

32
lib/SongState.cpp
View File

@ -76,9 +76,9 @@ void SongState::Header::swapBig()
m_unkOff = SBig(m_unkOff);
}
bool SongState::TrackRegion::indexValid() const
bool SongState::TrackRegion::indexValid(bool bigEndian) const
{
return SBig(m_regionIndex) >= 0;
return (bigEndian ? SBig(m_regionIndex) : m_regionIndex) >= 0;
}
void SongState::TempoChange::swapBig()
@ -187,7 +187,7 @@ bool SongState::Track::advance(Sequencer& seq, int32_t ticks)
int32_t endTick = m_parent.m_curTick + ticks;
/* Advance region if needed */
while (m_nextRegion->indexValid())
while (m_nextRegion->indexValid(m_parent.m_bigEndian))
{
uint32_t nextRegTick = (m_parent.m_bigEndian ? SBig(m_nextRegion->m_startTick) :
m_nextRegion->m_startTick);
@ -212,7 +212,7 @@ bool SongState::Track::advance(Sequencer& seq, int32_t ticks)
}
if (!m_data)
return !m_nextRegion->indexValid();
return !m_nextRegion->indexValid(m_parent.m_bigEndian);
/* Update continuous pitch data */
if (m_pitchWheelData)
@ -300,7 +300,7 @@ bool SongState::Track::advance(Sequencer& seq, int32_t ticks)
{
/* End of channel */
m_data = nullptr;
return !m_nextRegion->indexValid();
return !m_nextRegion->indexValid(m_parent.m_bigEndian);
}
else if (m_data[0] & 0x80 && m_data[1] & 0x80)
{
@ -348,30 +348,12 @@ bool SongState::Track::advance(Sequencer& seq, int32_t ticks)
}
/* Load next command */
if ((m_parent.m_bigEndian && *reinterpret_cast<const uint32_t*>(m_data) == 0xffff0000) ||
(!m_parent.m_bigEndian && *reinterpret_cast<const uint32_t*>(m_data) == 0xffff))
if (*reinterpret_cast<const uint16_t*>(&m_data[2]) == 0xffff)
{
/* End of channel */
m_data = nullptr;
return !m_nextRegion->indexValid();
return !m_nextRegion->indexValid(m_parent.m_bigEndian);
}
# if 0
else if (m_data[0] & 0x80 && m_data[1] & 0x80)
{
/* Control change */
uint8_t val = m_data[0] & 0x7f;
uint8_t ctrl = m_data[1] & 0x7f;
seq.setCtrlValue(m_midiChan, ctrl, val);
m_data += 2;
}
else if (m_data[0] & 0x80)
{
/* Program change */
uint8_t prog = m_data[0] & 0x7f;
seq.setChanProgram(m_midiChan, prog);
m_data += 2;
}
#endif
else
{
if ((m_data[2] & 0x80) != 0x80)