New API call isoburn_toc_track_get_emul()
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156ec36f66
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375e807827
@ -1054,13 +1054,14 @@ int isoburn_read_iso_head(struct burn_drive *d, int lba,
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int isoburn_make_toc_entry(struct isoburn *o, int *session_count, int lba,
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int track_blocks, int flag)
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int track_blocks, char *volid, int flag)
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{
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int ret;
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struct isoburn_toc_entry *item;
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ret= isoburn_toc_entry_new(&item, o->toc, 0);
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if(ret<=0) {
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no_memory:;
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isoburn_msgs_submit(o, 0x00060000,
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"Not enough memory for emulated TOC entry object",
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0, "FATAL", 0);
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@ -1073,6 +1074,11 @@ int isoburn_make_toc_entry(struct isoburn *o, int *session_count, int lba,
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item->track_no= *session_count;
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item->start_lba= lba;
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item->track_blocks= track_blocks;
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if(volid != NULL) {
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item->volid= strdup(volid);
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if(item->volid == NULL)
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goto no_memory;
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}
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return(1);
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}
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@ -1087,7 +1093,7 @@ int isoburn_emulate_toc(struct burn_drive *d, int flag)
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int scan_start= 0, scan_count= 0, probe_minus_16= 0, growisofs_nwa;
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int with_enclosure= 0;
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struct isoburn *o;
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char msg[160], size_text[80], *sev;
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char msg[160], size_text[80], *sev, volid[33], *volid_pt= NULL;
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time_t start_time, last_pacifier, now;
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/* is the media emulated multi-session ? */
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@ -1120,7 +1126,7 @@ int isoburn_emulate_toc(struct burn_drive *d, int flag)
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session_count, size_text, (double) (now - start_time));
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isoburn_msgs_submit(o, 0x00060000, msg, 0, "UPDATE", 0);
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}
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read_flag= 0;
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read_flag= 1;
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if(flag&2)
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read_flag|= (1<<15)|((session_count>0)<<14);
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else {
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@ -1138,8 +1144,11 @@ int isoburn_emulate_toc(struct burn_drive *d, int flag)
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probe_minus_16= 0;
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}
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ret= isoburn_read_iso_head(d, lba, &track_blocks, NULL, read_flag);
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if(ret<=0) {
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ret= isoburn_read_iso_head(d, lba, &track_blocks, volid, read_flag);
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if(ret > 0) {
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volid_pt= volid;
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} else {
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volid_pt= NULL;
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if(session_count>0) {
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if(flag&2) {
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if(ret==0) {
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@ -1157,7 +1166,7 @@ int isoburn_emulate_toc(struct burn_drive *d, int flag)
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isoburn_msgs_submit(o, 0x00060000, msg, 0, "WARNING", 0);
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if(with_enclosure) {
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ret= isoburn_make_toc_entry(o, &session_count, 0, image_size, 0);
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ret= isoburn_make_toc_entry(o, &session_count, 0, image_size, NULL,0);
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if(ret<=0)
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goto failure;
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}
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@ -1169,7 +1178,8 @@ int isoburn_emulate_toc(struct burn_drive *d, int flag)
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if(ret==2) /* ISO header was found in first half block */
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lba-= 16;
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ret= isoburn_make_toc_entry(o, &session_count, lba, track_blocks, 0);
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ret= isoburn_make_toc_entry(o, &session_count, lba, track_blocks, volid_pt,
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0);
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if(ret<=0)
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goto failure;
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lba+= track_blocks;
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@ -1202,7 +1212,7 @@ failure:;
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isoburn_toc_entry_destroy(&(o->toc), 1);
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if(with_enclosure && o->emulation_mode == 1) {
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session_count= 0;
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ret= isoburn_make_toc_entry(o, &session_count, 0, image_size, 0);
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ret= isoburn_make_toc_entry(o, &session_count, 0, image_size, NULL, 0);
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}
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return(ret);
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}
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@ -1475,6 +1485,21 @@ void isoburn_toc_track_get_entry(struct isoburn_toc_track *t,
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}
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int isoburn_toc_track_get_emul(struct isoburn_toc_track *t, int *start_lba,
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int *image_blocks, char volid[33], int flag)
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{
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if(t->toc_entry == NULL)
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return(0);
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if(t->toc_entry->volid == NULL)
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return(0);
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*start_lba= t->toc_entry->start_lba;
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*image_blocks= t->toc_entry->track_blocks;
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strncpy(volid, t->toc_entry->volid, 32);
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volid[32]= 0;
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return(1);
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}
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void isoburn_toc_disc_free(struct isoburn_toc_disc *d)
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{
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if(d->disc!=NULL)
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@ -68,6 +68,7 @@ int isoburn_toc_entry_new(struct isoburn_toc_entry **objpt,
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o->track_no= 0;
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o->start_lba= -1;
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o->track_blocks= 0;
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o->volid= NULL;
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o->next= NULL;
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if(boss!=NULL) {
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for(s= boss; s->next!=NULL; s= s->next);
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@ -85,6 +86,8 @@ int isoburn_toc_entry_destroy(struct isoburn_toc_entry **o, int flag)
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return(0);
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if(flag&1)
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isoburn_toc_entry_destroy(&((*o)->next), flag);
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if((*o)->volid != NULL)
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free((*o)->volid);
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free((char *) (*o));
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*o= NULL;
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return(1);
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@ -22,6 +22,8 @@ struct isoburn_toc_entry {
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int start_lba;
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int track_blocks;
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char *volid; /* For caching a volume id from emulated toc on overwriteables */
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struct isoburn_toc_entry *next;
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};
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@ -582,7 +582,7 @@ struct isoburn_toc_track **isoburn_toc_session_get_tracks(
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/** Obtain a copy of the entry which describes a particular track.
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Wrapper for: burn_track_get_entry()
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@since 0.1.6
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@param s The track handle
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@param t The track handle
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@param entry A pointer to memory provided by the caller. It will be filled
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with info according to struct burn_toc_entry as defined
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in libburn.h
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@ -591,6 +591,23 @@ void isoburn_toc_track_get_entry(struct isoburn_toc_track *t,
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struct burn_toc_entry *entry);
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/** Obtain eventual ISO image parameters of an emulated track. This info was
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gained with much effort and thus gets cached in the track object.
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If this call returns 1 then one can save a call of isoburn_read_iso_head()
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with return mode 1 which could cause an expensive read operation.
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@since 0.4.0
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@param t The track handle
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@param start_lba Returns the start address of the ISO session
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@param image_blocks Returns the number of 2048 bytes blocks
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@param volid Caller provided memory for the volume id
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@param flag unused yet, submit 0
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@return 0= not an emulated ISO session , 1= reply is valid
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*/
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int isoburn_toc_track_get_emul(struct isoburn_toc_track *t, int *start_lba,
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int *image_blocks, char volid[33], int flag);
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/** Release the memory associated with a master handle of media.
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The handle is invalid afterwards and may not be used any more.
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Wrapper for: burn_disc_free()
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@ -617,7 +634,7 @@ void isoburn_toc_disc_free(struct isoburn_toc_disc *disc);
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do not read head from media but use first 64 kB from info
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bit14= check both half buffers (not only second)
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return 2 if found in first block
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bit15= return-1 on read error
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bit15= return -1 on read error
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@return >0 seems to be a valid ISO image, 0 format not recognized, <0 error
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*/
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int isoburn_read_iso_head(struct burn_drive *d, int lba,
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@ -1 +1 @@
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#define Xorriso_timestamP "2009.04.21.184214"
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#define Xorriso_timestamP "2009.04.22.173603"
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