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CDROM: Implement GetTN command

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This commit is contained in:
Connor McLaughlin
2019-10-18 22:44:28 +10:00
parent baf97cb864
commit 4959de9859
6 changed files with 36 additions and 1 deletions
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2
src/common/cd_image.cpp
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@ -24,7 +24,7 @@ std::unique_ptr<CDImage> CDImage::Open(const char* filename)
if (CASE_COMPARE(extension, ".cue") == 0)
return OpenCueSheetImage(filename);
else if (CASE_COMPARE(extension, ".bin") == 0)
else if (CASE_COMPARE(extension, ".bin") == 0 || CASE_COMPARE(extension, ".img") == 0)
return OpenBinImage(filename);
#undef CASE_COMPARE

3
src/common/cd_image.h
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@ -90,7 +90,9 @@ public:
LBA GetPositionInTrack() const { return m_position_in_track; }
Position GetMSFPositionInTrack() const { return Position::FromLBA(m_position_in_track); }
LBA GetLBACount() const { return m_lba_count; }
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()); }
// Seek to data LBA.
bool Seek(LBA lba);
@ -120,6 +122,7 @@ protected:
u32 file_sector_size;
LBA start_lba_on_disc;
u32 track_number;
u32 index_number;
LBA start_lba_in_track;
u32 length;
bool is_pregap;

2
src/common/cd_image_bin.cpp
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@ -48,6 +48,7 @@ bool CDImageBin::Open(const char* filename)
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.is_pregap = true;
m_indices.push_back(pregap_index);
@ -58,6 +59,7 @@ bool CDImageBin::Open(const char* filename)
data_index.file_sector_size = track_sector_size;
data_index.start_lba_on_disc = pregap_index.length;
data_index.track_number = 1;
data_index.index_number = 1;
data_index.start_lba_in_track = 0;
data_index.length = m_lba_count;
m_indices.push_back(data_index);

3
src/common/cd_image_cuesheet.cpp
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@ -118,6 +118,7 @@ bool CDImageCueSheet::OpenAndParse(const char* filename)
pregap_index.start_lba_in_track = static_cast<LBA>(static_cast<unsigned long>(-pregap_frames));
pregap_index.length = pregap_frames;
pregap_index.track_number = track_num;
pregap_index.index_number = 0;
pregap_index.is_pregap = true;
m_indices.push_back(pregap_index);
@ -132,6 +133,7 @@ bool CDImageCueSheet::OpenAndParse(const char* filename)
Index last_index;
last_index.start_lba_on_disc = disc_lba;
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;
@ -156,6 +158,7 @@ bool CDImageCueSheet::OpenAndParse(const char* filename)
}
last_index.file_offset = index_offset * last_index.file_sector_size;
last_index.index_number = static_cast<u32>(index_num);
last_index_offset = index_offset;
}