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CDImage: Support generating Q Sub-Channel

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This commit is contained in:
Connor McLaughlin
2019-11-10 22:44:53 +10:00
parent 2cc5084dd1
commit 6bb4f8e728
4 changed files with 178 additions and 9 deletions
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11
src/common/cd_image_bin.cpp
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@ -41,14 +41,20 @@ bool CDImageBin::Open(const char* filename)
m_lba_count = file_size / track_sector_size;
SubChannelQ::Control control = {};
TrackMode mode = TrackMode::Mode2Raw;
// Two seconds default pregap.
const u32 pregap_frames = 2 * FRAMES_PER_SECOND;
Index pregap_index = {};
pregap_index.file_sector_size = track_sector_size;
pregap_index.start_lba_on_disc = 0;
pregap_index.start_lba_in_track = static_cast<LBA>(-static_cast<s32>(pregap_frames));
pregap_index.length = pregap_frames;
pregap_index.track_number = 1;
pregap_index.index_number = 0;
pregap_index.mode = mode;
pregap_index.control.bits = control.bits;
pregap_index.is_pregap = true;
m_indices.push_back(pregap_index);
@ -62,10 +68,13 @@ bool CDImageBin::Open(const char* filename)
data_index.index_number = 1;
data_index.start_lba_in_track = 0;
data_index.length = m_lba_count;
data_index.mode = mode;
data_index.control.bits = control.bits;
m_indices.push_back(data_index);
// Assume a single track.
m_tracks.push_back(Track{static_cast<u32>(1), data_index.start_lba_on_disc, static_cast<u32>(0), m_lba_count});
m_tracks.push_back(
Track{static_cast<u32>(1), data_index.start_lba_on_disc, static_cast<u32>(0), m_lba_count, mode, control});
return Seek(1, Position{0, 0, 0});
}