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Current state of the CD-ROM node - no CUE/BIN overhaul or MDS/MDF support yet, but the rest is already there.

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This commit is contained in:
OBattler
2024-12-31 04:37:21 +01:00
parent 8791e5b227
commit 7b6a9181c6
15 changed files with 2423 additions and 2230 deletions
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25
src/include/86box/cdrom_image_backend.h
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@@ -63,19 +63,16 @@ typedef struct track_file_t {
#define BLOCK_NONE ((uint64_t) -1LL)
typedef struct track_block_t {
typedef struct track_index_t {
/* Is the current block in the file? If not, return all 0x00's. */
int type;
int in_file;
/* The amount of bytes to skip at the beginning of each sector. */
int skip;
/* Starting and ending sector LBA - negative in order to accomodate LBA -150 to -1
to read the pregap of track 1. */
int64_t start_sector;
int64_t end_sector;
/* Starting and ending offset in the file. */
uint64_t start_offs;
uint64_t end_offs;
} track_block_t;
uint64_t start;
uint64_t length;
} track_index_t;
typedef struct track_t {
int pregap_len; /* Pre-gap - not in file. */
@@ -93,7 +90,7 @@ typedef struct track_t {
uint64_t start;
uint64_t length;
uint64_t skip;
track_block_t blocks[256];
track_index_t indexes[3];
track_file_t *file;
} track_t;
@@ -108,10 +105,14 @@ extern int cdi_set_device(cd_img_t *cdi, const char *path);
extern void cdi_get_audio_tracks(cd_img_t *cdi, int *st_track, int *end, TMSF *lead_out);
extern void cdi_get_audio_tracks_lba(cd_img_t *cdi, int *st_track, int *end, uint32_t *lead_out);
extern int cdi_get_audio_track_pre(cd_img_t *cdi, int track);
extern int cdi_get_audio_track_info(cd_img_t *cdi, int end, int track, int *track_num, TMSF *start, uint8_t *attr);
extern int cdi_get_audio_track_info_lba(cd_img_t *cdi, int end, int track, int *track_num, uint32_t *start, uint8_t *attr);
extern int cdi_get_audio_track_info(cd_img_t *cdi, int end, int track, int *track_num,
TMSF *start, uint8_t *attr);
extern int cdi_get_audio_track_info_lba(cd_img_t *cdi, int end, int track, int *track_num,
uint32_t *start, uint8_t *attr);
extern void cdi_get_raw_track_info(cd_img_t *cdi, int *num, uint8_t *buffer);
extern int cdi_get_track(cd_img_t *cdi, uint32_t sector);
extern int cdi_get_audio_sub(cd_img_t *cdi, uint32_t sector, uint8_t *attr, uint8_t *track, uint8_t *index, TMSF *rel_pos, TMSF *abs_pos);
extern int cdi_get_audio_sub(cd_img_t *cdi, uint32_t sector, uint8_t *attr, uint8_t *track,
uint8_t *index, TMSF *rel_pos, TMSF *abs_pos);
extern int cdi_read_sector(cd_img_t *cdi, uint8_t *buffer, int raw, uint32_t sector);
extern int cdi_read_sectors(cd_img_t *cdi, uint8_t *buffer, int raw, uint32_t sector, uint32_t num);
extern int cdi_read_sector_sub(cd_img_t *cdi, uint8_t *buffer, uint32_t sector);