Now available: "quickest" and "full" formatting for DVD-RW
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@ -414,6 +414,21 @@ from the drive and last several minutes. Depending on mutual compatibility of
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drive and media, formatting can yield unusable media. It seems that those die
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too on blanking by cdrecord or dvd+rw-format. Perils of DVD-RW, i fear.
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There are three formatting variants with cdrskin currently:
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blank=format_overwrite uses "DVD-RW Quick" formatting (MMC-type 15h)
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and writes a first session of 128 MB. This leads to media which are expandable
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and random addressable by cdrskin.
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blank=format_overwrite_quickest uses "DVD-RW Quick" formatting (type 15h) too
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but leaves the media in "intermediate" state. One may only write sequentially
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to such a DVD. This restriction is lifted after the first write session.
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blank=format_overwrite_full uses preferrably "DVD-RW Full Format" (type 10h)
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and writes a single 32 kB block to address 0 (in case only type 15h is
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available). This formatting lasts as long as writing a full DVD but seems
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to yield best quality.
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Special compilation variations
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@ -199,7 +199,18 @@ Minimally blank an entire CD.
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.TP
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format_overwrite
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Format a DVD-RW to "Restricted Overwrite". The user should bring some patience.
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(Note: this is not an original cdrecord option.)
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(Note: format_overwrite* are not original cdrecord options.)
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.TP
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format_overwrite_quickest
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Like format_overwrite without creating a 128 MB trailblazer track.
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Leads to "intermediate" state which only allows sequential write
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beginning from address 0.
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The "intermediate" state ends after the first session of writing data.
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.TP
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format_overwrite_full
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Like format_overwrite but claiming full media size rather than just 128 MB.
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Only a minimal data packet gets written. Much patience is required.
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May lead to media which have very few time overhead before and after write.
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.RE
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.TP
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.BI \-checkdrive
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@ -1829,6 +1829,10 @@ return:
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"\tminimal\t\tminimally blank the entire disk\n");
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fprintf(stderr,
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"\tformat_overwrite\tformat a DVD-RW to \"Restricted Overwrite\"\n");
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fprintf(stderr,
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"\tformat_overwrite_full\t\tto \"Restricted Overwrite\" in full size\n");
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fprintf(stderr,
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"\tformat_overwrite_quickest\tto \"Restricted Overwrite\" intermediate\n");
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#else /* ! Cdrskin_extra_leaN */
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@ -2377,8 +2381,16 @@ struct CdrskiN {
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int do_blank;
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int blank_fast;
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int no_blank_appendable;
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int blank_format_type; /* 0=blank, 1 to 255 like with burn_disc_format(flag):
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1=format_overwrite, 2=format_sequential */
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int blank_format_type; /* 0=blank
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bit0-7:
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1=format_overwrite
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bit8-15: bit0-7 of burn_disc_format(flag)
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bit8 = write zeros after formatting
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bit9 = insist in size 0
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bit10= format to maximum available size
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2=format_sequential (unimplemented yet)
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*/
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double blank_format_size; /* to be used with burn_disc_format() */
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int do_burn;
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int burnfree;
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@ -2503,6 +2515,7 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
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o->blank_fast= 0;
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o->no_blank_appendable= 0;
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o->blank_format_type= 0;
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o->blank_format_size= 0.0;
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o->do_burn= 0;
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o->write_type= BURN_WRITE_SAO;
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o->block_type= BURN_BLOCK_SAO;
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@ -2911,7 +2924,8 @@ int Cdrskin_abort_handler(struct CdrskiN *skin, int signum, int flag)
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Cleanup_set_handlers(NULL,NULL,1); /* allow abort */
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return(0); /* let exit */
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}
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#endif /* Not_yeT */
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#endif
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usleep(1000000);
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return(-2); /* do only process the control thread */
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}
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@ -3928,7 +3942,7 @@ int Cdrskin_blank(struct CdrskiN *skin, int flag)
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if(skin->verbosity>=Cdrskin_verbose_progresS)
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Cdrskin_report_disc_status(skin,s,0);
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do_format= skin->blank_format_type;
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do_format= skin->blank_format_type & 0xff;
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if(do_format) {
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verb= "format";
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presperf= "formatting";
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@ -4031,7 +4045,8 @@ unsupported_with_dvd_minus_rw:;
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#ifdef Cdrskin_libburn_has_burn_disc_formaT
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} else if(do_format==1) {
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burn_disc_format(drive,(off_t) 128*1024*1024,1);
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burn_disc_format(drive,(off_t) skin->blank_format_size,
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(skin->blank_format_type>>8)&0xff);
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#endif
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} else {
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@ -5131,8 +5146,17 @@ set_blank:;
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skin->blank_fast= 1;
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blank_mode= "fast";
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} else if(strcmp(cpt,"format_overwrite")==0) {
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skin->do_blank= 1;
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skin->blank_format_type= 1|(1<<8);
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skin->blank_format_size= 128*1024*1024;
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} else if(strcmp(cpt,"format_overwrite_full")==0) {
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skin->do_blank= 1;
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skin->blank_format_type= 1|(1<<8)|(1<<10);
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skin->blank_format_size= 32*1024; /* write just a minimal packet */
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} else if(strcmp(cpt,"format_overwrite_quickest")==0) {
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skin->do_blank= 1;
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skin->blank_format_type= 1;
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skin->blank_format_size= 0;
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} else if(strcmp(cpt,"format_sequential")==0) {
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skin->do_blank= 1;
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skin->blank_format_type= 2;
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@ -1 +1 @@
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#define Cdrskin_timestamP "2007.01.09.140302"
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#define Cdrskin_timestamP "2007.01.09.211152"
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