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Port the Brother decoder to the new *new* architecture.

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This commit is contained in:
David Given
2019-04-29 23:28:12 +02:00
parent c0c1121b91
commit 4cc680057e
5 changed files with 156 additions and 93 deletions
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66
lib/decoders/decoders.cc
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@@ -169,6 +169,72 @@ nanoseconds_t AbstractDecoder::guessClockImpl(Track& track) const
return track.fluxmap->guessClock();
}
void AbstractSimplifiedDecoder::decodeToSectors(Track& track)
{
Sector sector;
sector.physicalSide = track.physicalSide;
sector.physicalTrack = track.physicalTrack;
FluxmapReader fmr(*track.fluxmap);
_track = &track;
_sector = &sector;
_fmr = &fmr;
for (;;)
{
Fluxmap::Position recordStart = sector.position = fmr.tell();
sector.clock = 0;
sector.status = Sector::MISSING;
sector.data.clear();
sector.logicalSector = sector.logicalSide = sector.logicalTrack = 0;
RecordType r = advanceToNextRecord();
if (fmr.eof() || !sector.clock)
return;
if ((r == UNKNOWN_RECORD) || (r == DATA_RECORD))
{
fmr.readNextMatchingOpcode(F_OP_PULSE);
continue;
}
/* Read the sector record. */
recordStart = fmr.tell();
decodeSectorRecord();
pushRecord(recordStart, fmr.tell());
if (sector.status == Sector::DATA_MISSING)
{
/* The data is in a separate record. */
r = advanceToNextRecord();
if (r == DATA_RECORD)
{
recordStart = fmr.tell();
decodeDataRecord();
pushRecord(recordStart, fmr.tell());
}
}
if (sector.status != Sector::MISSING)
track.sectors.push_back(sector);
}
}
void AbstractSimplifiedDecoder::pushRecord(const Fluxmap::Position& start, const Fluxmap::Position& end)
{
Fluxmap::Position here = _fmr->tell();
RawRecord record;
record.physicalSide = _track->physicalSide;
record.physicalTrack = _track->physicalTrack;
record.clock = _sector->clock;
record.position = start;
_fmr->seek(start);
record.data = toBytes(_fmr->readRawBits(end, _sector->clock));
_track->rawrecords.push_back(record);
_fmr->seek(here);
}
void AbstractStatefulDecoder::decodeToSectors(Track& track)
{
Sector sector;