135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
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/*
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Class struct of libisoburn.
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Copyright 2007 Vreixo Formoso Lopes <metalpain2002@yahoo.es>
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and Thomas Schmitt <scdbackup@gmx.net>
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*/
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#ifndef Isoburn_includeD
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#define Isoburn_includeD
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/* for uint8_t */
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#include <stdint.h>
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struct isoburn {
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/* The libburn drive to which this isoburn object is related
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Most isoburn calls will use a burn_drive as object handle */
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struct burn_drive *drive;
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/* -1= inappropriate media state detected
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0= libburn multi-session media, resp. undecided yet
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1= random access media */
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int emulation_mode;
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/* Although rarely used, libburn can operate on several
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drives simultaneously. */
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struct isoburn *prev;
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struct isoburn *next;
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/* --- My part --- */
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/* Start address as given by image examination (bytes, not blocks) */
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off_t min_start_byte;
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/* Aligned start address to be used for processing (counted in blocks) */
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int nwa;
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/* Eventual freely fabricated isoburn_disc_get_status().
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BURN_DISC_UNREADY means that normally emulated status is in effect.
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*/
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enum burn_disc_status fabricated_disc_status;
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/* The fifo which is installed between track and libisofs burn_source
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*/
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struct burn_source *fifo;
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/* Indicator wether the most recent burn run worked :
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-1 = undetermined, ask libburn , 0 = failure , 1 = success
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To be inquired by isoburn_drive_wrote_well()
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*/
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int wrote_well;
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/* --- Vreixo's part --- */
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/* Buffered ISO head from media (should that become part of
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ecma119_read_opts ?) */
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uint8_t target_iso_head[65536];
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/* Libisofs image context */
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IsoImage *image;
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};
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/* Creation and disposal function */
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int isoburn_new(struct isoburn **objpt, int flag);
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int isoburn_destroy(struct isoburn **objpt, int flag);
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/* Eventual readers for public attributes */
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/* ( put into separate .h file then ) */
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int isoburn_get_emulation_mode(struct isoburn *o, int *pt, int flag);
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int isoburn_get_target_volset(struct isoburn *o, IsoImage **pt, int flag);
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/* List management */
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int isoburn_get_prev(struct isoburn *o, struct isoburn **pt, int flag);
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int isoburn_get_next(struct isoburn *o, struct isoburn **pt, int flag);
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int isoburn_destroy_all(struct isoburn **objpt, int flag);
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int isoburn_link(struct isoburn *o, struct isoburn *link, int flag);
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int isoburn_count(struct isoburn *o, int flag);
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int isoburn_by_idx(struct isoburn *o, int idx, struct isoburn **pt, int flag);
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int isoburn_find_by_drive(struct isoburn **pt, struct burn_drive *d, int flag);
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/* Non API inner interfaces */
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/* Calls from burn_wrap.c into isofs_wrap.c */
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int isoburn_start_emulation(struct isoburn *o, int flag);
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int isoburn_invalidate_iso(struct isoburn *o, int flag);
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/* Calls from isofs_wrap.c into burn_wrap.c */
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/** Get an eventual isoburn object which is wrapped around the drive.
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@param pt Eventually returns a pointer to the found object.
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It is allowed to become NULL if return value is -1 or 0.
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In this case, the drive is a genuine libburn drive
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with no emulation activated by isoburn.
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@param drive The drive to be searched for
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@param flag unused yet
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@return -1 unsuitable media, 0 generic media, 1 emulated media.
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*/
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int isoburn_find_emulator(struct isoburn **pt,
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struct burn_drive *drive, int flag);
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/** Set the start address for an emulated add-on session. The value will
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be rounded up to the alignment necessary for the media. The aligned
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value will be divided by 2048 and then put into o->nwa .
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@param o The isoburn object to be programmed.
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@param value The start address in bytes
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@param flag unused yet
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@return <=0 is failure , >0 success
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*/
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int isoburn_set_start_byte(struct isoburn *o, off_t value, int flag);
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/** Get a data source suitable for read from a drive using burn_read_data()
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function.
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@param d drive to read from. Must be grabbed.
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@return the data source, NULL on error. Must be freed with libisofs
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iso_data_source_unref() function. Note: this doesn't release
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the drive.
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*/
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IsoDataSource *
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isoburn_data_source_new(struct burn_drive *d);
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#endif /* Isoburn_includeD */
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