Got rid of assert() in write.c by soft means
This commit is contained in:
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5d0b8265b2
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cf8aacb27d
@ -1 +1 @@
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#define Cdrskin_timestamP "2006.10.08.095016"
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#define Cdrskin_timestamP "2006.10.09.083438"
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@ -591,16 +591,18 @@ ts A61008
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------------------------------------------------------------------------------
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45) libburn/toc.c: assert(0); /* unhandled! find out ccd's
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++ 45) libburn/toc.c: assert(0); /* unhandled! find out ccd's
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static write_clonecd2():
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- defunct -, - unused -
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=> ? mangle assert ?
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=> mangle assert
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ts A61008
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------------------------------------------------------------------------------
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46) libburn/toc.c: assert(d->busy);
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++ 46) libburn/toc.c: assert(d->busy);
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toc_find_modes():
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The drive to work on is not marked busy
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@ -608,22 +610,26 @@ Called by mmc_read_toc() alias read_toc() by ... burn_drive_grab()
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: Severe Libburn Error
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=> to be prevented on the higher levels
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=> issue LIBDAX_MSGS_SEV_WARNING
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=> delete assert
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ts A61008
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------------------------------------------------------------------------------
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47) libburn/util.c: assert(s);
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++ 47) libburn/util.c: assert(s);
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burn_strdup()
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Abort on NULL string which would elsewise cuase a SIGSEGV
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Abort on NULL string which would elsewise cause a SIGSEGV
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Used once in enumerate_common() with a string that worked with open(2) before
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: Severe Libburn Error
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=> delete assert
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ts A61008
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------------------------------------------------------------------------------
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48) libburn/util.c: assert(s);
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++ 48) libburn/util.c: assert(s);
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burn_strndup(): - unused -
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Same as 47
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@ -631,9 +637,11 @@ Same as 47
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=> return NULL
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=> delete assert
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ts A61008
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------------------------------------------------------------------------------
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49) libburn/util.c: assert(n > 0);
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++ 49) libburn/util.c: assert(n > 0);
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burn_strndup(): - unused -
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Prevent problems by negative copy length
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@ -641,21 +649,24 @@ Prevent problems by negative copy length
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=> return NULL
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=> delete assert
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ts A61008
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------------------------------------------------------------------------------
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50) libburn/write.c: assert(0);
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++ 50) libburn/write.c: assert(0);
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static type_to_ctrl():
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Unsuitable mode to be converted into "ctrl"
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Called by static type_to_form() finally burn_create_toc_entries()
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: Severe Application Error
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=> to be caught at higher levels
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=> issue LIBDAX_MSGS_SEV_WARNING
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=> fall back to data mode
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=> to be caught in burn_track_define_data by calling for test type_to_form()
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=> return -1;
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ts A61008
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------------------------------------------------------------------------------
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51) libburn/write.c: assert(0);
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++ 51) libburn/write.c: assert(0);
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libburn/write.c: assert(0); /* XXX someone's gonna want this sometime */
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static type_to_form():
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Does not like BURN_MODE0 or BURN_MODE2 but tolerates unknown modes
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@ -663,23 +674,33 @@ Does not like BURN_MODE0 or BURN_MODE2 but tolerates unknown modes
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Called by static burn_create_toc_entries() by burn_disc_write_sync()
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: Undocumented Libburn Restriction
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=> Disallow BURN_MODE0 and BURN_MODE2 with API burn_track_define_data()
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=> issue LIBDAX_MSGS_SEV_WARNING
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=> default to BURN_MODE1
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=> set *form = -1 , *ctladr = 0xff , return
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=> make function non-static
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=> call for test in API burn_track_define_data()
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ts A61009
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------------------------------------------------------------------------------
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52) libburn/write.c: assert(ptr);
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++ 52) libburn/write.c: assert(ptr);
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static add_cue():
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realloc() failed
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Called by burn_create_toc_entries() by burn_disc_write_sync()
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(burn_create_toc_entries is ignorant towards own potential memory problems)
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(This could possibly really stay an abort() because the reason is
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a plain failure of the system's memory management.)
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: Severe System Error
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=> This could possibly really stay an abort() because the reason is
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a plain failure of the system's memory management.
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=> change return type of add_cue to int
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=> react on return -1 in burn_create_toc_entries, return NULL on failure
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=> abort burn_disc_write_sync() on NULL return
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ts A61009
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------------------------------------------------------------------------------
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53) libburn/write.c: assert(d->toc_entry == NULL);
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++ 53) libburn/write.c: assert(d->toc_entry == NULL);
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burn_create_toc_entries():
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Multiple usage of struct burn_drive.toc_entry
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@ -688,19 +709,23 @@ This will probably trigger an abort with disc->sessions > 1
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(disc->sessions is incremented in macro RESIZE() as "NEW##s")
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: Design Problem
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=> ? disallow multiple sessions ?
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=> ? leave assert in and wait what happens ?
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( => ? disallow multiple sessions ? )
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=> replace assert by soft means and wait what happens
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ts A61009
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------------------------------------------------------------------------------
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54) libburn/write.c: assert(0);
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++ 54) libburn/write.c: assert(0);
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burn_sector_length():
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Only BURN_AUDIO, BURN_MODE_RAW, BURN_MODE1 are allowed
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Called by get_sector(), convert_data(), ...
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=> Only allow BURN_AUDIO, BURN_MODE_RAW, BURN_MODE1 with API burn_track_define_data()
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=> delete assert
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=> call burn_sector_length() for test in API burn_track_define_data()
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=> replace assert by -1
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ts A61009
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------------------------------------------------------------------------------
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@ -320,6 +320,9 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
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0x00020112 (SORRY,HIGH) = Bad combination of write_type and block_type
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0x00020113 (FATAL,HIGH) = Drive capabilities not inquired yet
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0x00020114 (SORRY,HIGH) = Attempt to set ISRC with bad data
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0x00020115 (SORRY,HIGH) = Attempt to set track mode to unusable value
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0x00020116 (FATAL,HIGH) = Track mode has unusable value
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0x00020117 (FATAL,HIGH) = toc_entry of drive is already in use
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------------------------------------------------------------------------------
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@ -206,6 +206,23 @@ void burn_structure_print_track(struct burn_track *t)
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void burn_track_define_data(struct burn_track *t, int offset, int tail,
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int pad, int mode)
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{
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int type_to_form(int mode, unsigned char *ctladr, int *form);
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int burn_sector_length(int tracktype);
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unsigned char ctladr;
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int form = -1; /* unchanged form will be considered an error too */
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type_to_form(mode, &ctladr, &form);
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if (form == -1 || burn_sector_length(mode) <= 0) {
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char msg[160];
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sprintf(msg, "Attempt to set track mode to unusable value %d",
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mode);
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libdax_msgs_submit(libdax_messenger, -1, 0x00020115,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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msg, 0, 0);
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return;
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}
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t->offset = offset;
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t->pad = pad;
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t->mode = mode;
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137
libburn/write.c
137
libburn/write.c
@ -2,7 +2,11 @@
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#include <unistd.h>
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#include <signal.h>
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#include <assert.h>
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/* ts A61009 */
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/* #include <a ssert.h> */
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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@ -22,6 +26,10 @@
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#include "write.h"
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#include "options.h"
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#include "libdax_msgs.h"
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extern struct libdax_msgs *libdax_messenger;
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static int type_to_ctrl(int mode)
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{
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int ctrl = 0;
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@ -36,7 +44,9 @@ static int type_to_ctrl(int mode)
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if (mode & BURN_PREEMPHASIS)
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ctrl |= 1;
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} else
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assert(0);
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/* ts A61008 */
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/* a ssert(0); */
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return -1;
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if (mode & BURN_COPY)
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ctrl |= 2;
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@ -45,18 +55,40 @@ static int type_to_ctrl(int mode)
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}
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/* only the ctrl nibble is set here (not adr) */
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static void type_to_form(int mode, unsigned char *ctladr, int *form)
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/* ts A61009 : removed "static" , reacted on type_to_ctrl() == -1
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preserved ignorance towards unknown modes (for now) */
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void type_to_form(int mode, unsigned char *ctladr, int *form)
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{
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*ctladr = type_to_ctrl(mode) << 4;
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int ret;
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ret = type_to_ctrl(mode) << 4;
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if (ret == -1) {
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*ctladr = 0xff;
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*form = -1;
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return;
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}
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*ctladr = ret;
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if (mode & BURN_AUDIO)
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*form = 0;
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if (mode & BURN_MODE0)
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assert(0);
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if (mode & BURN_MODE0) {
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/* ts A61009 */
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/* a ssert(0); */
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*form = -1;
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return;
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}
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if (mode & BURN_MODE1)
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*form = 0x10;
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if (mode & BURN_MODE2)
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assert(0); /* XXX someone's gonna want this sometime */
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if (mode & BURN_MODE2) {
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/* ts A61009 */
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/* a ssert(0); */ /* XXX someone's gonna want this sometime */
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*form = -1;
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return;
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}
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if (mode & BURN_MODE_RAW)
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*form = 0;
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if (mode & BURN_SUBCODE_P16) /* must be expanded to R96 */
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@ -109,7 +141,9 @@ static void print_cue(struct cue_sheet *sheet)
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#endif /* Libburn_write_with_print_cuE */
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static void add_cue(struct cue_sheet *sheet, unsigned char ctladr,
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/* ts A61009 : changed type from void to int */
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/** @return 1 = success , <=0 failure */
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static int add_cue(struct cue_sheet *sheet, unsigned char ctladr,
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unsigned char tno, unsigned char indx,
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unsigned char form, unsigned char scms, int lba)
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{
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@ -121,7 +155,17 @@ static void add_cue(struct cue_sheet *sheet, unsigned char ctladr,
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sheet->count++;
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ptr = realloc(sheet->data, sheet->count * 8);
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assert(ptr);
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/* ts A61009 */
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/* a ssert(ptr); */
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if (ptr == NULL) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020111,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Could not allocate new auxiliary object (cue_sheet->data)",
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0, 0);
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return -1;
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}
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sheet->data = ptr;
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unit = sheet->data + (sheet->count - 1) * 8;
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unit[0] = ctladr;
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@ -132,12 +176,13 @@ static void add_cue(struct cue_sheet *sheet, unsigned char ctladr,
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unit[5] = m;
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unit[6] = s;
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unit[7] = f;
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return 1;
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}
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struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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struct burn_session *session)
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{
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int i, m, s, f, form, pform, runtime = -150;
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int i, m, s, f, form, pform, runtime = -150, ret;
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unsigned char ctladr;
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struct burn_drive *d;
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struct burn_toc_entry *e;
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@ -149,17 +194,47 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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d = o->drive;
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sheet = malloc(sizeof(struct cue_sheet));
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/* ts A61009 : react on failures of malloc(), add_cue_sheet()
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type_to_form() */
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if (sheet == NULL) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020111,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Could not allocate new auxiliary object (cue_sheet)",
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0, 0);
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return NULL;
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}
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sheet->data = NULL;
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sheet->count = 0;
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type_to_form(tar[0]->mode, &ctladr, &form);
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add_cue(sheet, ctladr | 1, 0, 0, 1, 0, runtime);
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add_cue(sheet, ctladr | 1, 1, 0, form, 0, runtime);
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if (form == -1) {
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libdax_msgs_submit(libdax_messenger, -1, 0x00020116,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"Track mode has unusable value", 0, 0);
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goto failed;
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}
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ret = add_cue(sheet, ctladr | 1, 0, 0, 1, 0, runtime);
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if (ret <= 0)
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goto failed;
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ret = add_cue(sheet, ctladr | 1, 1, 0, form, 0, runtime);
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if (ret <= 0)
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goto failed;
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runtime += 150;
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burn_print(1, "toc for %d tracks:\n", ntr);
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d->toc_entries = ntr + 3;
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assert(d->toc_entry == NULL);
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/* ts A61009 */
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/* a ssert(d->toc_entry == NULL); */
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if (d->toc_entry != NULL) {
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libdax_msgs_submit(libdax_messenger,
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d->global_index, 0x00020117,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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"toc_entry of drive is already in use", 0, 0);
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goto failed;
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}
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d->toc_entry = malloc(d->toc_entries * sizeof(struct burn_toc_entry));
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e = d->toc_entry;
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memset((void *)e, 0, d->toc_entries * sizeof(struct burn_toc_entry));
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@ -187,7 +262,12 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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for (i = 0; i < ntr; i++) {
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type_to_form(tar[i]->mode, &ctladr, &form);
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if (pform != form) {
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add_cue(sheet, ctladr | 1, i + 1, 0, form, 0, runtime);
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ret = add_cue(sheet, ctladr | 1, i + 1, 0, form, 0,
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runtime);
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if (ret <= 0)
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goto failed;
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runtime += 150;
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/* XXX fix pregap interval 1 for data tracks */
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/* ts A60813 silence righteous compiler warning about C++ style comments
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@ -210,7 +290,11 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
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e[3 + i].control = type_to_ctrl(tar[i]->mode);
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burn_print(1, "track %d control %d\n", tar[i]->mode,
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e[3 + i].control);
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add_cue(sheet, ctladr | 1, i + 1, 1, form, 0, runtime);
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ret = add_cue(sheet, ctladr | 1, i + 1, 1, form, 0, runtime);
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if (ret <= 0)
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goto failed;
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runtime += burn_track_get_sectors(tar[i]);
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/* if we're padding, we'll clear any current shortage.
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if we're not, we'll slip toc entries by a sector every time our
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@ -240,8 +324,15 @@ XXX this is untested :)
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burn_print(1, "point %d (%02d:%02d:%02d)\n",
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d->toc_entry[i].point, d->toc_entry[i].pmin,
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d->toc_entry[i].psec, d->toc_entry[i].pframe);
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add_cue(sheet, ctladr | 1, 0xAA, 1, 1, 0, runtime);
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ret = add_cue(sheet, ctladr | 1, 0xAA, 1, 1, 0, runtime);
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if (ret <= 0)
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goto failed;
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return sheet;
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failed:;
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if (sheet != NULL)
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free((char *) sheet);
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return NULL;
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}
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int burn_sector_length(int tracktype)
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@ -252,8 +343,9 @@ int burn_sector_length(int tracktype)
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return 2352;
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if (tracktype & BURN_MODE1)
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return 2048;
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assert(0);
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return 12345;
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/* ts A61009 */
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/* a ssert(0); */
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return -1;
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}
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int burn_subcode_length(int tracktype)
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@ -493,6 +585,11 @@ return crap. so we send the command, then ignore the result.
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d->progress.tracks = disc->session[i]->tracks;
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sheet = burn_create_toc_entries(o, disc->session[i]);
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/* ts A61009 */
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if (sheet == NULL)
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goto fail;
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/* print_cue(sheet);*/
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if (o->write_type == BURN_WRITE_SAO)
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d->send_cue_sheet(d, sheet);
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