2008-01-10 15:20:57 +00:00
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/*
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API definition of libisoburn.
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2008-01-28 14:02:48 +00:00
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Copyright 2007-2008 Vreixo Formoso Lopes <metalpain2002@yahoo.es>
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and Thomas Schmitt <scdbackup@gmx.net>
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2008-01-10 15:20:57 +00:00
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*/
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2008-01-28 14:02:48 +00:00
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/** Overview
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2008-01-10 15:20:57 +00:00
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libisoburn is a frontend for libraries libburn and libisofs which enables
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creation and expansion of ISO-9660 filesystems on all CD/DVD media supported
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by libburn. This includes media like DVD+RW, which do not support multi-session
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management on media level and even plain disk files or block devices.
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The price for that is thorough specialization on data files in ISO-9660
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filesystem images. So libisoburn is not suitable for audio (CD-DA) or any
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other CD layout which does not entirely consist of ISO-9660 sessions.
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2008-01-28 14:02:48 +00:00
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Wrapper functions
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2008-01-10 15:20:57 +00:00
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The priciple of this frontend is that you may use any call of libisofs or
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libburn unless it has a isoburn_*() wrapper listed in the following function
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documentation.
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2008-01-29 13:00:46 +00:00
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E.g. call isoburn_initialize() rather than iso_init(); burn_initialize();
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2008-01-10 15:20:57 +00:00
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and call isoburn_drive_scan_and_grab() rather than burn_drive_scan_and_grab().
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But you may call burn_disc_get_profile() directly if you want to display
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the media type.
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The wrappers will transparently provide the necessary emulations which
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2008-01-29 13:00:46 +00:00
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are appropriate for particular target drives and media states.
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2008-01-28 14:02:48 +00:00
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To learn about them you have to read both API descriptions: the one of
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the wrapper and the one of the underlying libburn or libisofs call.
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Usage model
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Additionally there are own libisoburn API calls which allow to implement the
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following usage model (see also man xorriso for a end user's view):
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There may be an input drive and an output drive. Either of them may be missing
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with the consequence that no reading resp. writing is possible.
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Both drive roles can be fulfilled by the same drive.
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Input can be a random access readable libburn drive:
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optical media, regular files, block devices.
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Output can be any writeable libburn drive:
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2008-01-29 13:00:46 +00:00
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writeable optical media in burner, writeable file objects (no directories).
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2008-01-28 14:02:48 +00:00
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2008-01-29 13:00:46 +00:00
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libburn demands rw-permissions to drive device file resp. file object.
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2008-01-28 14:02:48 +00:00
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If the input drive provides a suitable ISO RockRidge image, then its tree
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may be loaded into memory and can then be manipulated by libisofs API calls.
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The loading is done by isoburn_read_image() under control of
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2008-01-29 13:00:46 +00:00
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struct isoburn_read_opts which the application obtains from libisoburn.
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It may be manipulated by the family of isoburn_ropt_set_*() functions.
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2008-01-28 14:02:48 +00:00
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Writing of result images is controlled by libisofs related parameters
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2008-01-29 13:00:46 +00:00
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in a struct isoburn_imgen_opts which the application obtains from libisoburn.
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It may be manipulated by the family of isoburn_igopt_set_*() functions.
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2008-01-28 14:02:48 +00:00
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All multi-session aspects are handled by libisoburn according to these
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settings. The application does not have to analyze media state and write
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2008-01-29 13:00:46 +00:00
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job parameters. It rather states its desires which libisoburn tries to
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fulfill, or else will refuse to start the write run.
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2008-01-28 14:02:48 +00:00
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Setup for Growing or Modifying
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There are two alternative API calls for performing the setup for two
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alternative image generation strategies.
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Growing:
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If input and output drive is the same, then isoburn_prepare_disc() is to
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be used. It will lead to an add-on session on appendable or overwriteable
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media with existing ISO image. With blank media it will produce a first
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session.
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Modifying:
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If the output drive is not the input drive, then it has to bear blank media
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or overwriteable without a valid ISO image. To prepare for such an image
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generation run, use isoburn_prepare_new_image(). The run will copy file data
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from an eventual input drive with valid image, add any newly introduced data
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from the local filesystem, and produce a first session on output media.
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After either of these setups, some peripheral libburn drive parameter settings
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like burn_write_opts_set_simulate(), burn_write_opts_set_multi(),
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burn_drive_set_speed(), burn_write_opts_set_underrun_proof() should be made.
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Do not set the write mode. It will be chosen by libisoburn so it matches job
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and media state.
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Writing the image
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Then one may start image generation and write threads by isoburn_disc_write().
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Progress may be watched at the output drive by burn_drive_get_status() and
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isoburn_get_fifo_status().
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At some time, the output drive will be BURN_DRIVE_IDLE indicating that
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writing has ended.
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One should inquire isoburn_drive_wrote_well() to learn about overall success.
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Finally one must call isoburn_activate_session() which will finalize any
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eventual multi-session emulation.
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2008-01-10 15:20:57 +00:00
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*/
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/* API functions */
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/** Initialize libisoburn, libisofs and libburn.
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Wrapper for : iso_init() and burn_initialize()
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2008-01-26 11:36:58 +00:00
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@param reason A character array for eventual messages (e.g. with errors)
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@param flag Bitfield for control purposes (unused yet, submit 0)
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2008-01-10 15:20:57 +00:00
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@return 1 indicates success, 0 is failure
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*/
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2008-01-26 11:36:58 +00:00
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int isoburn_initialize(char msg[1024], int flag);
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2008-01-10 15:20:57 +00:00
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2008-01-29 18:44:54 +00:00
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/** Check whether all features of header file libisoburn.h from the given
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major.minor.micro revision triple can be delivered by the library version
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which is performing this call.
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An application of libisoburn can easily memorize the version of the
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libisofs.h header in its own code. Immediately after isoburn_initialize()
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it should simply do this check:
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if (! isoburn_is_compatible(isoburn_header_version_major,
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isoburn_header_version_minor,
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isoburn_header_version_micro, 0))
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...refuse to start the program with this dynamic library version...
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@param major obtained at build time
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@param minor obtained at build time
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@param micro obtained at build time
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@param flag Bitfield for control purposes. Unused yet. Submit 0.
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@return 1= library can work for caller
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0= library is not usable in some aspects. Caller must restrict
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itself to an earlier API version or must not use this libray
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at all.
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*/
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int isoburn_is_compatible(int major, int minor, int micro, int flag);
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/** These three release version numbers tell the revision of this header file
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and of the API it describes. They are memorized by applications at build
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time.
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*/
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#define isoburn_header_version_major 0
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#define isoburn_header_version_minor 0
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#define isoburn_header_version_micro 1
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/** Note:
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Above version numbers are also recorded in configure.ac because libtool
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wants them as parameters at build time.
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For the library compatibility check ISOBURN_*_VERSION in configure.ac
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are not decisive. Only the three numbers above do matter.
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*/
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/** Obtain the three release version numbers of the library. These are the
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numbers encountered by the application when linking with lisbisoburn,
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i.e. possibly not before run time.
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Better do not base the fundamental compatibility decision of an application
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on these numbers. For a reliable check use isoburn_is_compatible().
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2008-01-26 12:06:26 +00:00
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@param major The maturity version (0 for now, as we are still learning)
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@param minor The development goal version.
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@param micro The development step version. This has an additional meaning:
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2008-01-29 18:44:54 +00:00
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2008-01-26 12:06:26 +00:00
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Pare numbers indicate a version with frozen API. I.e. you can
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rely on the same set of features to be present in all
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published releases with that major.minor.micro combination.
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Odd numbers indicate that API upgrades are in progress.
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I.e. new features might be already present or they might
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2008-01-29 18:44:54 +00:00
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be still missing.
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So micro revisions {1,3,5,7,9} should never be used for
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dynamic linking unless the proper library match can be
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guaranteed by external circumstances.
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2008-01-26 12:06:26 +00:00
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*/
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void isoburn_version(int *major, int *minor, int *micro);
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2008-01-10 15:20:57 +00:00
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/** Aquire a target drive by its filesystem path resp. libburn persistent
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address.
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Wrapper for: burn_drive_scan_and_grab()
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*/
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int isoburn_drive_scan_and_grab(struct burn_drive_info *drive_infos[],
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char* adr, int load);
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/** Aquire a drive from the burn_drive_info[] array which was obtained by
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a previous call of burn_drive_scan().
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Wrapper for: burn_drive_grab()
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*/
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int isoburn_drive_grab(struct burn_drive *drive, int load);
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/** Inquire the media status. Expect the whole spectrum of libburn BURN_DISC_*
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with multi-session media. Emulated states with random access media are
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BURN_DISC_BLANK and BURN_DISC_APPENDABLE.
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Wrapper for: burn_disc_get_status()
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*/
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enum burn_disc_status isoburn_disc_get_status(struct burn_drive *drive);
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/** Tells whether the media can be treated by isoburn_disc_erase().
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Wrapper for: burn_disc_erasable()
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*/
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int isoburn_disc_erasable(struct burn_drive *d);
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/** Mark the media as blank. With multi-session media this will call
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burn_disc_erase(). With random access media, an eventual ISO-9660
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filesystem will get invalidated by altering its start blocks on media.
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In case of success, the media is in status BURN_DISC_BLANK afterwards.
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Wrapper for: burn_disc_erase()
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*/
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void isoburn_disc_erase(struct burn_drive *drive, int fast);
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2008-01-28 14:02:48 +00:00
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2008-01-29 13:00:46 +00:00
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/* ----------------------------------------------------------------------- */
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/*
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Options for image reading.
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An application shall create an option set object by isoburn_ropt_new(),
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program it by isoburn_ropt_set_*(), use it with isoburn_read_image(),
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and finally delete it by isoburn_ropt_destroy().
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*/
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/* ----------------------------------------------------------------------- */
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2008-01-28 23:58:12 +00:00
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2008-01-29 13:00:46 +00:00
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struct isoburn_read_opts;
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2008-01-28 23:58:12 +00:00
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2008-01-29 13:00:46 +00:00
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/** Produces a set of image read options, initialized with default values.
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@param o the newly created option set object
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@return 1=ok , <0 = failure
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*/
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int isoburn_ropt_new(struct isoburn_read_opts **o, int flag);
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2008-01-10 15:20:57 +00:00
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2008-01-29 13:00:46 +00:00
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/** Deletes an option set which was created by isoburn_ropt_new().
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@return 1= **o destroyed , 0= *o was already NULL (harmless)
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*/
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int isoburn_ropt_destroy(struct isoburn_read_opts **o, int flag);
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/** Which existing ISO 9660 extensions in the image to read or not to read.
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Whether to read the content of an existing image at all.
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The bits can be combined by | resp. inquired by &.
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@param ext Bitfield:
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bit0= norock
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Do not read Rock Ridge extensions
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bit1= nojoliet
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Do not read Joliet extensions
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bit2= noiso1999
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Do not read ISO 9660:1999 enhanced tree
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bit3= preferjoliet
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When both Joliet and RR extensions are present, the RR
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tree is used. If you prefer using Joliet, set this to 1.
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bit4= pretend_blank
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Always create empty image.Ignore any image on input drive.
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*/
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#define isoburn_ropt_norock 1
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#define isoburn_ropt_nojoliet 2
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#define isoburn_ropt_noiso1999 4
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#define isoburn_ropt_preferjoliet 8
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#define isoburn_ropt_pretend_blank 16
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int isoburn_ropt_set_extensions(struct isoburn_read_opts *o, int ext);
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int isoburn_ropt_get_extensions(struct isoburn_read_opts *o, int *ext);
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/** Default attributes to use if no RockRidge extension gets loaded.
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@param uid user id number (see /etc/passwd)
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@param gid group id number (see /etc/group)
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@param mode permissions (not file type) as of man 2 stat.
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*/
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int isoburn_ropt_set_default_perms(struct isoburn_read_opts *o,
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uid_t uid, gid_t gid, mode_t mode);
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int isoburn_ropt_get_default_perms(struct isoburn_read_opts *o,
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uid_t *uid, gid_t *gid, mode_t *mode);
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2008-01-19 09:05:13 +00:00
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2008-01-29 13:00:46 +00:00
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/** Input charset for RR file names. NULL to use default locale charset.
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>>> what if not NULL ?
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*/
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int isoburn_ropt_set_input_charset(struct isoburn_read_opts *o,
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char *input_charset);
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int isoburn_ropt_get_input_charset(struct isoburn_read_opts *o,
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char **input_charset);
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/** After calling function isoburn_read_image() there are informations
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available in the option set.
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This info can be obtained as bits in parameter has_what. Like:
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joliet_available = (has_what & isoburn_ropt_has_joliet);
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@param size Number of image data blocks, 2048 bytes each.
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@param has_what Bitfield:
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bit0= has_rockridge
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RockRidge extension info is available (POSIX filesystem)
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bit1= has_joliet
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Joliet extension info is available (suitable for MS-Windows)
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bit2= has_iso1999
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ISO version 2 Enhanced Volume Descriptor is available
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>>> what is ISO 1999 good for ?
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bit3= has_el_torito
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El-Torito boot record is present
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*/
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#define isoburn_ropt_has_rockridge 1
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#define isoburn_ropt_has_joliet 2
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#define isoburn_ropt_has_iso1999 4
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#define isoburn_ropt_has_el_torito 8
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int isoburn_ropt_get_size_what(struct isoburn_read_opts *o,
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uint32_t *size, int *has_what);
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2008-01-19 09:05:13 +00:00
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2008-01-10 15:20:57 +00:00
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2008-01-29 13:00:46 +00:00
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/* ----------------------------------------------------------------------- */
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/* End of Options for image reading */
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/* ----------------------------------------------------------------------- */
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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/* ----------------------------------------------------------------------- */
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/*
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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Options for image generation by libisofs and image transport to libburn.
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2008-01-19 09:05:13 +00:00
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2008-01-29 13:00:46 +00:00
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An application shall create an option set by isoburn_igopt_new(),
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2008-01-28 23:58:12 +00:00
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program it by isoburn_igopt_set_*(), use it with either
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isoburn_prepare_new_image() or isoburn_prepare_disc(), and finally delete
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it by isoburn_igopt_destroy().
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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*/
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/* ----------------------------------------------------------------------- */
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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struct isoburn_imgen_opts;
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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/** Produces a set of generation and transfer options, initialized with default
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values.
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@param o the newly created option set object
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@return 1=ok , <0 = failure
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*/
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int isoburn_igopt_new(struct isoburn_imgen_opts **o, int flag);
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2008-01-19 09:05:13 +00:00
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2008-01-28 23:58:12 +00:00
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/** Deletes an option set which was created by isoburn_igopt_new().
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2008-01-29 13:00:46 +00:00
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@return 1= **o destroyed , 0= *o was already NULL (harmless)
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2008-01-28 23:58:12 +00:00
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*/
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int isoburn_igopt_destroy(struct isoburn_imgen_opts **o, int flag);
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2008-01-19 09:05:13 +00:00
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2008-01-10 15:20:57 +00:00
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2008-01-28 23:58:12 +00:00
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/** ISO level to write at.
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>>> what is an ISO level ? xorriso uses 2.
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*/
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int isoburn_igopt_set_level(struct isoburn_imgen_opts *o, int level);
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int isoburn_igopt_get_level(struct isoburn_imgen_opts *o, int *level);
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2008-01-10 15:20:57 +00:00
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2008-01-28 23:58:12 +00:00
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/** Which extensions to support.
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@param ext Bitfield: bit0= rockridge, bit1= joliet, bit2= iso1999
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*/
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#define isoburn_igopt_rockridge 1
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#define isoburn_igopt_joliet 2
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#define isoburn_igopt_iso1999 4
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int isoburn_igopt_set_extensions(struct isoburn_imgen_opts *o, int ext);
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int isoburn_igopt_get_extensions(struct isoburn_imgen_opts *o, int *ext);
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/** Relaxed constraints. Setting any of the bits to 1 break the specifications,
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but it is supposed to work on most moderns systems. Use with caution.
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@param relax Bitfield:
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bit0= omit_version_numbers
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Omit the version number (";1") at the end of the
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ISO-9660 identifiers. Version numbers are usually
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not used.
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bit1= allow_deep_paths
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Allow ISO-9660 directory hierarchy to be deeper
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than 8 levels.
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bit2= allow_longer_paths
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Allow path in the ISO-9660 tree to have more than
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255 characters.
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bit3= max_37_char_filenames
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Allow a single file or directory hierarchy to have
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up to 37 characters. This is larger than the 31
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characters allowed by ISO level 2, and the extra space
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is taken from the version number, so this also forces
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omit_version_numbers.
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bit4= no_force_dots
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ISO-9660 forces filenames to have a ".", that separates
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file name from extension. libisofs adds it if original
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filename has none. Set this to 1 to prevent this
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behavior.
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bit5= allow_lowercase
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Allow lowercase characters in ISO-9660 filenames.
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By default, only uppercase characters, numbers and
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a few other characters are allowed.
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bit6= allow_full_ascii
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Allow all ASCII characters to be appear on an ISO-9660
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filename. Note * that "/" and "\0" characters are never
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allowed, even in RR names.
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bit7= joliet_longer_paths
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Allow paths in the Joliet tree to have more than
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240 characters.
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*/
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#define isoburn_igopt_omit_version_numbers 1
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#define isoburn_igopt_allow_deep_paths 2
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#define isoburn_igopt_allow_longer_paths 4
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#define isoburn_igopt_max_37_char_filenames 8
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#define isoburn_igopt_no_force_dots 16
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#define isoburn_igopt_allow_lowercase 32
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#define isoburn_igopt_allow_full_ascii 64
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#define isoburn_igopt_joliet_longer_paths 128
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int isoburn_igopt_set_relaxed(struct isoburn_imgen_opts *o, int relax);
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int isoburn_igopt_get_relaxed(struct isoburn_imgen_opts *o, int *relax);
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/** Whether and how files should be sorted.
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@param value Bitfield: bit0= sort_files_by_weight
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files should be sorted based on their weight.
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>>> what is weight ?
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*/
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#define isoburn_igopt_sort_files_by_weight 1
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int isoburn_igopt_set_sort_files(struct isoburn_imgen_opts *o, int value);
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int isoburn_igopt_get_sort_files(struct isoburn_imgen_opts *o, int *value);
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/** Set the override values for files and directory permissions.
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The parameters replace_* these take one of three values: 0, 1 or 2.
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If 0, the corresponding attribute will be kept as set in the IsoNode
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at the time of image generation.
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If set to 1, the corresponding attrib. will be changed by a default
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suitable value.
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With value 2, the attrib. will be changed with the value specified
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|
in the corresponding *_mode options. Note that only the permissions
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are set, the file type remains unchanged.
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@param replace_dir_mode whether and how to override directories
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@param replace_file_mode whether and how to override files of other type
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@param dir_mode Mode to use on dirs with replace_dir_mode == 2.
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@param file_mode; Mode to use on files with replace_file_mode == 2.
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*/
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int isoburn_igopt_set_over_mode(struct isoburn_imgen_opts *o,
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int replace_dir_mode, int replace_file_mode,
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mode_t dir_mode, mode_t file_mode);
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int isoburn_igopt_get_over_mode(struct isoburn_imgen_opts *o,
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int *replace_dir_mode, int *replace_file_mode,
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mode_t *dir_mode, mode_t *file_mode);
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/** Set the override values values for group id and user id.
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|
The rules are like with above overriding of mode values. replace_* controls
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|
whether and how. The other two parameters provide values for eventual use.
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@param replace_uid whether and how to override user ids
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@param replace_gid whether and how to override group ids
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@param uid User id to use with replace_uid == 2.
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@param gid Group id to use on files with replace_gid == 2.
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*/
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int isoburn_igopt_set_over_ugid(struct isoburn_imgen_opts *o,
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int replace_uid, int replace_gid,
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uid_t uid, gid_t gid);
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int isoburn_igopt_get_over_ugid(struct isoburn_imgen_opts *o,
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int *replace_uid, int *replace_gid,
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uid_t *uid, gid_t *gid);
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|
2008-01-29 18:44:54 +00:00
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/** Set this to NULL to use the default output charset.
|
2008-01-28 23:58:12 +00:00
|
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|
>>> What if not NULL or not want default ?
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*/
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int isoburn_igopt_set_out_charset(struct isoburn_imgen_opts *o,
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char *output_charset);
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int isoburn_igopt_get_out_charset(struct isoburn_imgen_opts *o,
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char **output_charset);
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/** The number of bytes to be used for the fifo which decouples libisofs
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and libburn for better throughput and for reducing the risk of
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interrupting signals hitting the libburn thread which operates the
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MMC drive.
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The size will be rounded up to the next full 2048.
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Minimum is 64kiB, maximum is 1 GiB (but that is too much anyway).
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*/
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int isoburn_igopt_set_fifo_size(struct isoburn_imgen_opts *o, int fifo_size);
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int isoburn_igopt_get_fifo_size(struct isoburn_imgen_opts *o, int *fifo_size);
|
2008-01-10 15:20:57 +00:00
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|
2008-01-28 23:58:12 +00:00
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/* ----------------------------------------------------------------------- */
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/* End of Options for image generation */
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/* ----------------------------------------------------------------------- */
|
2008-01-28 14:02:48 +00:00
|
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|
2008-01-10 15:20:57 +00:00
|
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/** Get the image attached to a drive, if any.
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@return A reference to attached image, or NULL if the drive has no image
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|
attached. This reference needs to be released via iso_image_unref()
|
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|
when it is not longer needed.
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|
*/
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|
IsoImage *isoburn_get_attached_image(struct burn_drive *d);
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|
/** Load the ISO filesystem directory tree from the media in the given drive.
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|
This will give libisoburn the base on which it can let libisofs perform
|
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|
image growing or image modification. The loaded volset gets attached
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|
to the drive object and handed out to the application.
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|
Not a wrapper, but peculiar to libisoburn.
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@param d The drive which holds an existing ISO filesystem or blank media.
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d is allowed to be NULL which produces an empty ISO image. In
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this case one has to call before writing isoburn_attach_volset()
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|
with the volset from this call and with the intended output
|
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|
drive.
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@param read_opts The read options which can be chosen by the application
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@param image the image read, if the disc is blank it will have no files.
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This reference needs to be released via iso_image_unref() when
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it is not longer needed. The drive, if not NULL, will hold an
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own reference which it will release when it gets a new volset
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or when it gets released via isoburn_drive_release().
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You can pass NULL if you already have a reference or you plan to
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obtain it later with isoburn_get_attached_image(). Of course, if
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you haven't specified a valid drive (i.e., if d == NULL), this
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parameter can't be NULL.
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@return <=0 error , 1 = success
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|
*/
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|
int isoburn_read_image(struct burn_drive *d,
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struct isoburn_read_opts *read_opts,
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IsoImage **image);
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/** Set the IsoImage to be used with a drive. This eventually releases
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the reference to the old IsoImage attached to the drive.
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Caution: Use with care. It hardly makes sense to replace an image that
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|
reflects a valid ISO image on media.
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|
This call is rather intended for writing a newly created and populated
|
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|
image to blank media. The use case in xorriso is to let an image survive
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|
the change or demise of the outdev target drive.
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@param d The drive which shall be write target of the volset.
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@param image The image that represents the image to be written.
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This image pointer MUST already be a valid reference suitable
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for iso_image_unref().
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|
It may have been obtained by appropriate libisofs calls or by
|
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|
isoburn_read_image() with d==NULL.
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|
@return <=0 error , 1 = success
|
|
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|
*/
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int isoburn_attach_image(struct burn_drive *d, IsoImage *image);
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/** Obtain the start block number of the most recent session on media. In
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|
case of random access media this will always be 0. Succesfull return is
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|
not a guarantee that there is a ISO-9660 image at all. The call will fail,
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|
nevertheless,if isoburn_disc_get_status() returns not BURN_DISC_APPENDABLE.
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Wrapper for: burn_disc_get_msc1()
|
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|
*/
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int isoburn_disc_get_msc1(struct burn_drive *d, int *start_lba);
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/** Use this with trackno==0 to obtain the predicted start block number of the
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|
new session. The interesting number is returned in parameter nwa.
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|
Wrapper for: burn_disc_track_lba_nwa()
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|
*/
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|
int isoburn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
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|
int trackno, int *lba, int *nwa);
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/** Obtain the size which was attributed to an emulated appendable on actually
|
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|
overwriteable media. This value is supposed to be <= 2048 * nwa as of
|
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|
isoburn_disc_track_lba_nwa().
|
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|
@param drive The drive holding the media.
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|
@param start_byte The reply value counted in bytes, not in sectors.
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@param flag Unused yet. Submit 0.
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|
@return 1=stat_byte is valid, 0=not an emulated appendable, -1=error
|
|
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|
*/
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|
int isoburn_get_min_start_byte(struct burn_drive *d, off_t *start_byte,
|
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int flag);
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/** Create a disc object for writing the new session from the created or loaded
|
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|
|
iso_volset which has been manipulated via libisofs, to the same media from
|
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|
where the image was eventually loaded. This struct burn_disc is ready for
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|
use by a subsequent call to isoburn_disc_write().
|
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|
|
After this asynchronous writing has ended and the drive is BURN_DRIVE_IDLE
|
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|
|
again, the burn_disc object has to be disposed by burn_disc_free().
|
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|
@param drive The combined source and target drive, grabbed with
|
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|
|
isoburn_drive_scan_and_grab(). .
|
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@param disc Returns the newly created burn_disc object.
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@return <=0 error , 1 = success
|
|
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|
*/
|
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|
|
int isoburn_prepare_disc(struct burn_drive *d, struct burn_disc **disc,
|
2008-01-28 23:58:12 +00:00
|
|
|
struct isoburn_imgen_opts *opts);
|
2008-01-10 15:20:57 +00:00
|
|
|
|
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|
|
/** Create a disc object for producing a new image from a previous image
|
|
|
|
plus the changes made by user. The generated burn_disc is suitable
|
2008-01-28 14:02:48 +00:00
|
|
|
to be written to any grabbed libburn drive with blank writeable media.
|
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|
But you must not use the same drive for input and output, because data
|
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|
will be read from the source drive while at the same time the target
|
|
|
|
drive is already writing.
|
2008-01-10 15:20:57 +00:00
|
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|
The resulting burn_disc object has to be disposed when all its writing
|
|
|
|
is done and the drive is BURN_DRIVE_IDLE again after asynchronous
|
|
|
|
burn_disc_write().
|
2008-01-28 14:02:48 +00:00
|
|
|
@param in_drive The input drive,grabbed with isoburn_drive_scan_and_grab().
|
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|
|
@param disc Returns the newly created burn_disc object.
|
|
|
|
@param opts Options for image generation and data transport to media.
|
2008-01-26 17:12:47 +00:00
|
|
|
@param out_drive The libburn drive which shall be write target.
|
2008-01-28 14:02:48 +00:00
|
|
|
If the drive was grabbed via libisoburn then it can later
|
|
|
|
access the libisofs source fifo via
|
|
|
|
isoburn_get_fifo_status().
|
|
|
|
Mere libburn drives cannot obtain this info.
|
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|
|
In that case out_drive may be NULL, as well.
|
2008-01-10 15:20:57 +00:00
|
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|
@return <=0 error , 1 = success
|
|
|
|
*/
|
2008-01-28 14:02:48 +00:00
|
|
|
int isoburn_prepare_new_image(struct burn_drive *in_drive,
|
|
|
|
struct burn_disc **disc,
|
2008-01-28 23:58:12 +00:00
|
|
|
struct isoburn_imgen_opts *opts,
|
2008-01-26 17:12:47 +00:00
|
|
|
struct burn_drive *out_drive);
|
2008-01-10 15:20:57 +00:00
|
|
|
|
|
|
|
/** Start writing of the new session.
|
|
|
|
This call is asynchrounous. I.e. it returns quite soon and the progress has
|
|
|
|
to be watched by a loop with call burn_drive_get_status() until
|
|
|
|
BURN_DRIVE_IDLE is returned.
|
|
|
|
Wrapper for: burn_disc_write()
|
|
|
|
*/
|
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|
|
void isoburn_disc_write(struct burn_write_opts *o, struct burn_disc *disc);
|
|
|
|
|
|
|
|
|
|
|
|
/** Inquire state and fill parameters of the fifo which is attached to
|
|
|
|
the emerging track. This should be done in the pacifier loop while
|
|
|
|
isoburn_disc_write() or burn_disc_write() are active.
|
2008-01-26 17:12:47 +00:00
|
|
|
This works only with drives obtained by isoburn_drive_scan_and_grab()
|
|
|
|
or isoburn_drive_grab(). If isoburn_prepare_new_image() was used, then
|
|
|
|
parameter out_drive must have announced the track output drive.
|
2008-01-10 15:20:57 +00:00
|
|
|
Hint: If only burn_write_opts and not burn_drive is known, then the drive
|
|
|
|
can be obtained by burn_write_opts_get_drive().
|
|
|
|
@parm d The drive to which the track with the fifo gets burned.
|
|
|
|
@param size The total size of the fifo
|
|
|
|
@param free_bytes The current free capacity of the fifo
|
|
|
|
@param status_text Returns a pointer to a constant text, see below
|
|
|
|
@return <0 reply invalid, >=0 fifo status code:
|
|
|
|
bit0+1=input status, bit2=consumption status, i.e:
|
|
|
|
0="standby" : data processing not started yet
|
|
|
|
1="active" : input and consumption are active
|
|
|
|
2="ending" : input has ended without error
|
|
|
|
3="failing" : input had error and ended,
|
|
|
|
4="unused" : ( consumption has ended before processing start )
|
|
|
|
5="abandoned" : consumption has ended prematurely
|
|
|
|
6="ended" : consumption has ended without input error
|
|
|
|
7="aborted" : consumption has ended after input error
|
|
|
|
*/
|
|
|
|
int isoburn_get_fifo_status(struct burn_drive *d, int *size, int *free_bytes,
|
|
|
|
char **status_text);
|
|
|
|
|
|
|
|
|
|
|
|
/** Inquire whether the most recent write run was successful.
|
|
|
|
Wrapper for: burn_drive_wrote_well()
|
|
|
|
*/
|
|
|
|
int isoburn_drive_wrote_well(struct burn_drive *d);
|
|
|
|
|
|
|
|
|
|
|
|
/** Call this after isoburn_disc_write has finished and burn_drive_wrote_well()
|
|
|
|
indicates success. It will eventually complete the emulation of
|
|
|
|
multi-session functionality, if needed at all. Let libisoburn decide.
|
|
|
|
Not a wrapper, but peculiar to libisoburn.
|
|
|
|
*/
|
|
|
|
int isoburn_activate_session(struct burn_drive *drive);
|
|
|
|
|
|
|
|
|
2008-01-28 14:02:48 +00:00
|
|
|
#if 0
|
|
|
|
/* >>> NOT YET IMPLEMENTED <<< */
|
2008-01-10 15:20:57 +00:00
|
|
|
/** Write a new session to a disc.
|
|
|
|
This is a synchronous call equivalent to isoburn_prepare_disc +
|
|
|
|
isoburn_disc_write + isoburn_activate_session
|
|
|
|
@param pacifier_func If not NULL: a function to produce appeasing messages.
|
|
|
|
See burn_abort_pacifier() in libburn.h for an example.
|
|
|
|
*/
|
|
|
|
/* TODO implement this */
|
|
|
|
int isoburn_perform_write(struct burn_write_opts *o,
|
|
|
|
int (*pacifier_func)(void *handle, int patience,
|
|
|
|
int elapsed));
|
2008-01-28 14:02:48 +00:00
|
|
|
#endif /* 0 */
|
|
|
|
|
2008-01-10 15:20:57 +00:00
|
|
|
|
|
|
|
/** Release an aquired drive.
|
|
|
|
Wrapper for: burn_drive_release()
|
|
|
|
*/
|
|
|
|
void isoburn_drive_release(struct burn_drive *drive, int eject);
|
|
|
|
|
|
|
|
|
|
|
|
/** Shutdown all three libraries.
|
|
|
|
Wrapper for : iso_finish() and burn_finish().
|
|
|
|
*/
|
|
|
|
void isoburn_finish(void);
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
2008-01-28 14:02:48 +00:00
|
|
|
The following calls are for expert applications only.
|
2008-01-10 15:20:57 +00:00
|
|
|
An application should have a special reason to use them.
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
/** Inquire wether the media needs emulation or would be suitable for
|
|
|
|
generic multi-session via libburn.
|
|
|
|
@return 0 is generic multi-session
|
|
|
|
1 is emulated multi-session
|
|
|
|
-1 is not suitable for isoburn
|
|
|
|
*/
|
|
|
|
int isoburn_needs_emulation(struct burn_drive *drive);
|
|
|
|
|
|
|
|
|