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CDROM: Implement GetTD command

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This commit is contained in:
Connor McLaughlin
2019-10-18 23:06:13 +10:00
parent 4959de9859
commit 9433e08782
4 changed files with 49 additions and 1 deletions
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12
src/common/cd_image.cpp
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@ -33,6 +33,18 @@ std::unique_ptr<CDImage> CDImage::Open(const char* filename)
return nullptr;
}
CDImage::LBA CDImage::GetTrackStartPosition(u8 track) const
{
Assert(track > 0 && track <= m_tracks.size());
return m_tracks[track - 1].start_lba;
}
CDImage::Position CDImage::GetTrackStartMSFPosition(u8 track) const
{
Assert(track > 0 && track <= m_tracks.size());
return Position::FromLBA(m_tracks[track - 1].start_lba);
}
bool CDImage::Seek(LBA lba)
{
const Index* new_index;

2
src/common/cd_image.h
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@ -93,6 +93,8 @@ public:
u32 GetIndexNumber() const { return m_current_index->index_number; }
u32 GetTrackNumber() const { return m_current_index->track_number; }
u32 GetTrackCount() const { return static_cast<u32>(m_tracks.size()); }
LBA GetTrackStartPosition(u8 track) const;
Position GetTrackStartMSFPosition(u8 track) const;
// Seek to data LBA.
bool Seek(LBA lba);

2
src/common/cd_image_cuesheet.cpp
View File

@ -132,11 +132,13 @@ bool CDImageCueSheet::OpenAndParse(const char* filename)
// how many indices in this track?
Index last_index;
last_index.start_lba_on_disc = disc_lba;
last_index.start_lba_in_track = 0;
last_index.track_number = track_num;
last_index.index_number = 1;
last_index.file = it->second;
last_index.file_sector_size = track_sector_size;
last_index.file_offset = 0;
last_index.is_pregap = false;
long last_index_offset = track_start;
for (int index_num = 1;; index_num++)