New options modesty_on_drive= and minbuf=
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@ -2,7 +2,7 @@
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.\" First parameter, NAME, should be all caps
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.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
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.\" other parameters are allowed: see man(7), man(1)
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.TH CDRSKIN 1 "April 22, 2007"
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.TH CDRSKIN 1 "July 12, 2007"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" Some roff macros, for reference:
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@ -423,6 +423,13 @@ This option can be performed on track sources which are regular files or block
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devices. For the first track of the session it can be performed on any type
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of source if there is a fifo of at least 64 kiB. See option fs= .
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.TP
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.BI minbuf= percentage
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Equivalent to:
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.br
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modesty_on_drive=1:min_percent=<percentage>:max_percent=95
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.br
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Percentage is permissible between 25 and 95.
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.TP
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.BI msifile= path
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Run option -msinfo and copy the result line into the file given by path.
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Unlike -msinfo this option does not redirect all normal output away from
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@ -796,6 +803,32 @@ Try to ignore any signals rather than to abort the program. This is not a
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very good idea. You might end up waiting a very long time for cdrskin
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to finish.
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.TP
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.BI modesty_on_drive= <mode>[:min_percent=<num>][:max_percent=<num>]
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Mode 1 keeps the program from trying to write to the burner drive while its
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buffer is in danger to be filled by more than max_percent. If this filling is
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exceeded then the program will wait until the filling is at most min_percent.
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.br
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This can ease the load on operating system and drive controller and thus help
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with achieving better input bandwidth if disk and burner are not on independent
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controllers (like hda and hdb). Unsufficient input bandwidth is indicated by
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output "(fifo xy%)" of option -v if xy is lower than 90 for some time.
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modesty_on_drive= might hamper output bandwidth and cause buffer underruns.
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.br
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To have max_percent larger than the burner's best actual
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buffer fill has the same effect as min_percent==max_percent. Some burners
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do not use their full buffer with all media types. Watch output "[buf xy%]"
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of option -v to get an impression of the actual buffer usage. Some burners
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are not suitable because they report buffer fill with granularity too large
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in size or time.
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.br
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Mode 0 disables this feature. Mode -1 keeps it unchanged. Default is:
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.br
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modesty_on_drive=0:min_percent=65:max_percent=95
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.br
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Percentages are permissible in the range of 25 to 100.
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This mode can be activated only if option speed= is given with a number > 0
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which should be realistic, i.e. appropriate for drive and media.
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.TP
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.BI \--no_abort_handler
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On signals exit even if the drive is in busy state. This is not a very good
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idea. You might end up with a stuck drive that refuses to hand out the media.
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@ -131,7 +131,7 @@ or
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/* Place novelty switch macros here.
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Move them down to Cdrskin_libburn_from_pykix_svN on version leap
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*/
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/* - no novelty switches currently - */
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#define Cdrskin_libburn_has_set_waitinG 1
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#endif /* Cdrskin_libburn_0_3_7 */
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@ -2209,6 +2209,9 @@ set_dev:;
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printf(
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" --ignore_signals try to ignore any signals rather than to abort\n");
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printf(" --list_ignored_options list all ignored cdrecord options.\n");
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#ifdef Cdrskin_libburn_has_set_waitinG
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printf(" modesty_on_drive=<options> no writing into full drive buffer\n");
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#endif
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printf(" --no_abort_handler exit even if the drive is in busy state\n");
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printf(" --no_blank_appendable refuse to blank appendable CD-RW\n");
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printf(" --no_convert_fs_adr only literal translations of dev=\n");
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@ -2304,6 +2307,10 @@ see_cdrskin_eng_html:;
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fprintf(stderr,"\t-toc\t\tretrieve and print TOC/PMA data\n");
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fprintf(stderr,
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"\t-atip\t\tretrieve media state, print \"Is *erasable\"\n");
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#ifdef Cdrskin_libburn_has_set_waitinG
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fprintf(stderr,
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"\tminbuf=percent\tset lower limit for drive buffer modesty\n");
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#endif
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#ifdef Cdrskin_libburn_has_multI
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fprintf(stderr,
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"\t-multi\t\tgenerate a TOC that allows multi session\n");
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@ -2616,6 +2623,9 @@ struct CdrskiN {
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enum burn_write_types write_type;
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int block_type;
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int multi;
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int modesty_on_drive;
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int min_buffer_percent;
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int max_buffer_percent;
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double write_start_address;
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int assert_write_lba;
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@ -2748,6 +2758,9 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
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o->write_type= BURN_WRITE_SAO;
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o->block_type= BURN_BLOCK_SAO;
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o->multi= 0;
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o->modesty_on_drive= 0;
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o->min_buffer_percent= 65;
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o->max_buffer_percent= 95;
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o->write_start_address= -1.0;
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o->assert_write_lba= -1;
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o->burnfree= 1;
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@ -2938,7 +2951,7 @@ int Cdrskin_fill_fifo(struct CdrskiN *skin, int flag)
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/** Inform libburn about the consumer x-speed factor of skin */
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int Cdrskin_adjust_speed(struct CdrskiN *skin, int flag)
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{
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int k_speed;
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int k_speed, modesty= 0;
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if(skin->x_speed<0)
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k_speed= 0; /* libburn.h promises 0 to be max speed. */
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@ -2952,6 +2965,15 @@ int Cdrskin_adjust_speed(struct CdrskiN *skin, int flag)
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ClN(fprintf(stderr,"cdrskin_debug: k_speed= %d\n",k_speed));
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burn_drive_set_speed(skin->drives[skin->driveno].drive,k_speed,k_speed);
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#ifdef Cdrskin_libburn_has_set_waitinG
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if(k_speed>0)
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modesty= skin->modesty_on_drive;
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burn_drive_set_buffer_waiting(skin->drives[skin->driveno].drive,
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modesty, -1, -1, -1,
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skin->min_buffer_percent,
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skin->max_buffer_percent);
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#endif
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return(1);
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}
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@ -6097,6 +6119,90 @@ gracetime_equals:;
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printf("%s\n",ignored_full_options[k]);
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printf("\n");
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} else if(strncmp(argv[i],"-minbuf=",8)==0) {
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value_pt= argv[i]+8;
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goto minbuf_equals;
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} else if(strncmp(argv[i],"minbuf=",7)==0) {
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value_pt= argv[i]+7;
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minbuf_equals:;
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#ifdef Cdrskin_libburn_has_set_waitinG
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skin->modesty_on_drive= 1;
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sscanf(value_pt,"%lf",&value);
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if (value<25 || value>95) {
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fprintf(stderr,
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"cdrskin: FATAL : minbuf= value must be between 25 and 95\n");
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return(0);
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}
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skin->min_buffer_percent= value;
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skin->max_buffer_percent= 95;
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ClN(printf("cdrskin: minbuf=%d percent desired buffer fill\n",
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skin->min_buffer_percent));
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#else
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fprintf(stderr,
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"cdrskin: SORRY : Option minbuf= is not available yet.\n");
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return(0);
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#endif
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} else if(strncmp(argv[i],"modesty_on_drive=",17)==0) {
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#ifdef Cdrskin_libburn_has_set_waitinG
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value_pt= argv[i]+17;
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if(*value_pt=='0') {
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skin->modesty_on_drive= 0;
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if(skin->verbosity>=Cdrskin_verbose_cmD)
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ClN(printf(
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"cdrskin: modesty_on_drive=0 : buffer waiting by os driver\n"));
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} else if(*value_pt=='1') {
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skin->modesty_on_drive= 1;
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if(skin->verbosity>=Cdrskin_verbose_cmD)
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ClN(printf(
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"cdrskin: modesty_on_drive=1 : buffer waiting by libburn\n"));
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} else if(*value_pt=='-' && argv[i][18]=='1') {
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skin->modesty_on_drive= -1;
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if(skin->verbosity>=Cdrskin_verbose_cmD)
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ClN(printf(
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"cdrskin: modesty_on_drive=-1 : buffer waiting as libburn defaults\n"));
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} else {
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fprintf(stderr,
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"cdrskin: FATAL : modesty_on_drive= must be -1, 0 or 1\n");
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return(0);
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}
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while(1) {
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value_pt= strchr(value_pt,':');
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if(value_pt==NULL)
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break;
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value_pt++;
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if(strncmp(value_pt,"min_percent=",12)==0) {
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sscanf(value_pt+12,"%lf",&value);
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if (value<25 || value>100) {
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fprintf(stderr,
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"cdrskin: FATAL : modest_on_drive= min_percent value must be between 25 and 100\n");
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return(0);
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}
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skin->min_buffer_percent= value;
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ClN(printf("cdrskin: modesty_on_drive : %d percent min buffer fill\n",
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skin->min_buffer_percent));
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} else if(strncmp(value_pt,"max_percent=",12)==0) {
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sscanf(value_pt+12,"%lf",&value);
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if (value<25 || value>100) {
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fprintf(stderr,
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"cdrskin: FATAL : modest_on_drive= max_percent value must be between 25 and 100\n");
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return(0);
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}
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skin->max_buffer_percent= value;
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ClN(printf("cdrskin: modesty_on_drive : %d percent max buffer fill\n",
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skin->max_buffer_percent));
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} else {
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fprintf(stderr,
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"cdrskin: SORRY : modest_on_drive= unknown option code : %s\n",
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value_pt);
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}
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}
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#else
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fprintf(stderr,
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"cdrskin: SORRY : Option modesty_on_drive= is not available yet.\n");
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return(0);
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#endif
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} else if(strcmp(argv[i],"-multi")==0) {
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#ifdef Cdrskin_libburn_has_multI
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skin->multi= 1;
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@ -1 +1 @@
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#define Cdrskin_timestamP "2007.07.12.171727"
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#define Cdrskin_timestamP "2007.07.12.171832"
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