Preparations for option -isosize via fifo (only a debug message yet)
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@ -77,6 +77,8 @@ struct CdrfifO {
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double empty_counter;
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double full_counter;
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/* eventual ISO-9660 image size obtained from first 64k of input */
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double iso_fs_size;
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/* (sequential) fd chaining */
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/* fds: 0=source, 1=dest */
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@ -159,6 +161,7 @@ int Cdrfifo_new(struct CdrfifO **ff, int source_fd, int dest_fd,
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o->get_counter= 0.0;
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o->empty_counter= 0.0;
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o->full_counter= 0.0;
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o->iso_fs_size= -1.0;
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for(i= 0; i<Cdrfifo_ffd_maX; i++) {
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o->follow_up_fds[i][0]= o->follow_up_fds[i][1]= -1;
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o->follow_up_eop[i]= o->follow_up_sod[i]= -1;
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@ -390,6 +393,13 @@ int Cdrfifo_get_min_fill(struct CdrfifO *o, int *total_min_fill,
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}
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int Cdrfifo_get_iso_fs_size(struct CdrfifO *o, double *size_in_bytes, int flag)
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{
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*size_in_bytes= o->iso_fs_size;
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return(o->iso_fs_size>=2048);
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}
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/** Get counters which are mentioned by cdrecord at the end of burning.
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It still has to be examined wether they mean what i believe they do.
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*/
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@ -398,7 +408,7 @@ int Cdrfifo_get_cdr_counters(struct CdrfifO *o,
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double *empty_counter, double *full_counter,
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int flag)
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{
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*put_counter= o->put_counter;;
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*put_counter= o->put_counter;
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*get_counter= o->get_counter;
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*empty_counter= o->empty_counter;
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*full_counter= o->full_counter;
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@ -870,6 +880,24 @@ int Cdrfifo_fill(struct CdrfifO *o, int size, int flag)
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if(ret==2)
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break;
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}
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#ifndef Cdrfifo_standalonE
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{ int Scan_for_iso_size(unsigned char data[2048], double *size_in_bytes,
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int flag);
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int i;
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double size;
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/* try to obtain an ISO-9660 file system size */
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for(i= 0; i<32*2048 && i+2048<=fill; i+=2048) {
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ret= Scan_for_iso_size((unsigned char *) (o->buffer+i), &size, 0);
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if(ret<=0)
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continue;
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o->iso_fs_size= size;
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break;
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}
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}
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#endif
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o->total_min_fill= fill;
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o->interval_min_fill= fill;
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return(1);
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@ -117,6 +117,11 @@ int Cdrfifo_get_cdr_counters(struct CdrfifO *o,
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double *empty_counter, double *full_counter,
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int flag);
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/** Inquire the eventually detected size of an eventual ISO-9660 file system
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@return 0=no ISO resp. size detected, 1=size_in_bytes is valid
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*/
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int Cdrfifo_get_iso_fs_size(struct CdrfifO *o, double *size_in_bytes,int flag);
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/** Check for pending data at the fifo's source file descriptor and wether the
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fifo is ready to take them. Simultaneously check the buffer for existing
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@ -552,6 +552,25 @@ int Sfile_home_adr_s(char *filename, char *fileadr, int fa_size, int flag)
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#endif /* ! Cdrskin_extra_leaN */
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/* <<< Preliminary sketch : to go into libburn later */
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/* Learned from reading growisofs.c ,
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watching mkisofs, and viewing its results via od -c */
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/* @return 0=no size found , 1=*size_in_bytes is valid */
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int Scan_for_iso_size(unsigned char data[2048], double *size_in_bytes,
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int flag)
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{
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double sectors= 0.0;
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if(data[0]!=1)
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return(0);
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if(strncmp((char *) (data+1),"CD001",5)!=0)
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return(0);
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sectors= data[80] | (data[81]<<8) | (data[82]<<16) | (data[83]<<24);
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*size_in_bytes= sectors*2048.0;
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return(1);
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}
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/* --------------------------------------------------------------------- */
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/** Address translation table for users/applications which do not look
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@ -769,6 +788,9 @@ struct CdrtracK {
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int track_type_by_default;
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int swap_audio_bytes;
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/** Eventually detected data image size */
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double data_image_size;
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/* wether the data source is a container of defined size with possible tail */
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int extracting_container;
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@ -837,6 +859,7 @@ int Cdrtrack_new(struct CdrtracK **track, struct CdrskiN *boss,
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o->sector_size= 2048.0;
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o->track_type_by_default= 1;
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o->swap_audio_bytes= 0;
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o->data_image_size= -1.0;
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o->extracting_container= 0;
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o->fifo_enabled= 0;
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o->fifo= NULL;
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@ -846,6 +869,7 @@ int Cdrtrack_new(struct CdrtracK **track, struct CdrskiN *boss,
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o->ff_fifo= NULL;
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o->ff_idx= -1;
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o->libburn_track= NULL;
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ret= Cdrskin_get_source(boss,o->source_path,&(o->fixed_size),
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&(o->tao_to_sao_tsize),&(o->padding),
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&(o->set_by_padsize),&(skin_track_type),
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@ -1172,6 +1196,7 @@ int Cdrtrack_attach_fifo(struct CdrtracK *track, int *outlet_fd,
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int Cdrtrack_fill_fifo(struct CdrtracK *track, int flag)
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{
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int ret,buffer_fill,buffer_space;
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double data_image_size;
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if(track->fifo==NULL || track->fifo_start_at==0)
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return(2);
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@ -1195,6 +1220,9 @@ int Cdrtrack_fill_fifo(struct CdrtracK *track, int flag)
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return(0);
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}
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}
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ret= Cdrfifo_get_iso_fs_size(track->fifo,&data_image_size,0);
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if(ret>0)
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track->data_image_size= data_image_size;
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return(1);
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}
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@ -5009,6 +5037,18 @@ burn_failed:;
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fprintf(stderr,"cdrskin: FATAL : filling of fifo failed\n");
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goto ex;
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}
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/* <<< provisory for testing only */
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if(skin->verbosity>=Cdrskin_verbose_debuG)
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for(i=0;i<skin->track_counter;i++) {
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if(skin->tracklist[i]->data_image_size>=0.0)
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fprintf(stderr,
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"cdrskin: DEBUG: track %2.2d : ISO size %.fs (= %.fb)\n",
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i+1,
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skin->tracklist[i]->data_image_size/2048.0,
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skin->tracklist[i]->data_image_size);
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}
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#endif /* ! Cdrskin_extra_leaN */
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Cdrskin_adjust_speed(skin,0);
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@ -1 +1 @@
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#define Cdrskin_timestamP "2007.03.24.093623"
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#define Cdrskin_timestamP "2007.03.27.213543"
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