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Avoided error message and nonzero exit with trailing trash on .wav

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This commit is contained in:
Thomas Schmitt 2006-11-08 16:56:16 +00:00
parent c44643e01b
commit 41f26dc5fb
4 changed files with 88 additions and 7 deletions
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49
trunk/cdrskin/cdrfifo.c
View File

@ -48,6 +48,9 @@ struct CdrfifO {
int source_fd;
double in_counter;
double fd_in_counter;
double fd_in_limit;
char *buffer;
int buffer_size;
int buffer_is_full;
@ -72,17 +75,27 @@ struct CdrfifO {
double empty_counter;
double full_counter;
/* (sequential) fd chaining */
/* fds: 0=source, 1=dest */
int follow_up_fds[Cdrfifo_ffd_maX][2];
/* index of first byte in buffer which does not belong to predecessor fd */
int follow_up_eop[Cdrfifo_ffd_maX];
/* index of first byte in buffer which belongs to [this] fd pair */
int follow_up_sod[Cdrfifo_ffd_maX];
/* values for fd_in_limit */
double follow_up_in_limits[Cdrfifo_ffd_maX];
/* number of defined follow-ups */
int follow_up_fd_counter;
/* index of currently active (i.e. reading) follow-up */
int follow_up_fd_idx;
/* (simultaneous) peer chaining */
struct CdrfifO *next;
struct CdrfifO *prev;
@ -117,6 +130,8 @@ int Cdrfifo_new(struct CdrfifO **ff, int source_fd, int dest_fd,
buffer_size+= chunk_size-(buffer_size%chunk_size);
o->source_fd= source_fd;
o->in_counter= 0.0;
o->fd_in_counter= 0;
o->fd_in_limit= -1.0;
o->buffer= NULL;
o->buffer_is_full= 0;
o->buffer_size= buffer_size;
@ -140,6 +155,7 @@ int Cdrfifo_new(struct CdrfifO **ff, int source_fd, int dest_fd,
for(i= 0; i<Cdrfifo_ffd_maX; i++) {
o->follow_up_fds[i][0]= o->follow_up_fds[i][1]= -1;
o->follow_up_eop[i]= o->follow_up_sod[i]= -1;
o->follow_up_in_limits[i]= -1.0;
}
o->follow_up_fd_counter= 0;
o->follow_up_fd_idx= -1;
@ -224,6 +240,26 @@ int Cdrfifo_set_speed_limit(struct CdrfifO *o, double bytes_per_second,
}
/** Set a fixed size for input in order to cut off any unwanted tail
@param o The fifo object
@param idx index for fds attached via Cdrfifo_attach_follow_up_fds(),
first attached is 0, <0 directs limit to active fd limit
(i.e. first track is -1, second track is 0, third is 1, ...)
*/
int Cdrfifo_set_fd_in_limit(struct CdrfifO *o, double fd_in_limit, int idx,
int flag)
{
if(idx<0) {
o->fd_in_limit= fd_in_limit;
return(1);
}
if(idx >= o->follow_up_fd_counter)
return(0);
o->follow_up_in_limits[idx]= fd_in_limit;
return(1);
}
int Cdrfifo_set_fds(struct CdrfifO *o, int source_fd, int dest_fd, int flag)
{
o->source_fd= source_fd;
@ -244,6 +280,7 @@ int Cdrfifo_get_fds(struct CdrfifO *o, int *source_fd, int *dest_fd, int flag)
fifo buffer when its predecessors are exhausted. Reading will start as
soon as reading of the predecessor encounters EOF. Writing will start
as soon as all pending predecessor data are written.
@return index number of new item + 1, <=0 indicates error
*/
int Cdrfifo_attach_follow_up_fds(struct CdrfifO *o, int source_fd, int dest_fd,
int flag)
@ -253,7 +290,7 @@ int Cdrfifo_attach_follow_up_fds(struct CdrfifO *o, int source_fd, int dest_fd,
o->follow_up_fds[o->follow_up_fd_counter][0]= source_fd;
o->follow_up_fds[o->follow_up_fd_counter][1]= dest_fd;
o->follow_up_fd_counter++;
return(1);
return(o->follow_up_fd_counter);
}
@ -567,7 +604,12 @@ after_write:;
can_read= o->chunk_size;
if(o->write_idx<o->read_idx && o->write_idx+can_read > o->read_idx)
can_read= o->read_idx - o->write_idx;
ret= read(o->source_fd,o->buffer+o->write_idx,can_read);
if(o->fd_in_limit>=0.0)
if(can_read > o->fd_in_limit - o->fd_in_counter)
can_read= o->fd_in_limit - o->fd_in_counter;
ret= 0;
if(can_read>0)
ret= read(o->source_fd,o->buffer+o->write_idx,can_read);
if(ret==-1) {
/* >>> handle input error */;
@ -599,6 +641,8 @@ after_write:;
sod= 0;
o->follow_up_sod[idx]= sod;
o->write_idx= sod;
o->fd_in_counter= 0;
o->fd_in_limit= o->follow_up_in_limits[idx];
if(Cdrfifo_debuG || (flag&1))
fprintf(stderr,"\ncdrfio: new fifo source fd : %d\n",o->source_fd);
} else {
@ -608,6 +652,7 @@ after_write:;
did_work= 1;
o->put_counter++;
o->in_counter+= ret;
o->fd_in_counter+= ret;
o->write_idx+= ret;
if(o->write_idx>=o->buffer_size)
o->write_idx= 0;

13
trunk/cdrskin/cdrfifo.h
View File

@ -15,7 +15,7 @@
/** The fifo buffer which will smoothen the data stream from data provider
to data consumer. Although this is not a mandatory lifesavier for modern
to data consumer. Although this is not a mandatory lifesaver for modern
burners any more, a fifo can speed up burning of data which is delivered
with varying bandwidths (e.g. compressed archives created on the fly
or mkisofs running at its speed limit.).
@ -64,6 +64,16 @@ int Cdrfifo_get_sizes(struct CdrfifO *o, int *chunk_size, int *buffer_size,
int Cdrfifo_set_speed_limit(struct CdrfifO *o, double bytes_per_second,
int flag);
/** Set a fixed size for input in order to cut off any unwanted tail
@param o The fifo object
@param idx index for fds attached via Cdrfifo_attach_follow_up_fds(),
first attached is 0, <0 directs limit to active fd limit
(i.e. first track is -1, second track is 0, third is 1, ...)
*/
int Cdrfifo_set_fd_in_limit(struct CdrfifO *o, double fd_in_limit, int idx,
int flag);
int Cdrfifo_set_fds(struct CdrfifO *o, int source_fd, int dest_fd, int flag);
int Cdrfifo_get_fds(struct CdrfifO *o, int *source_fd, int *dest_fd, int flag);
@ -72,6 +82,7 @@ int Cdrfifo_get_fds(struct CdrfifO *o, int *source_fd, int *dest_fd, int flag);
fifo buffer when its predecessors are exhausted. Reading will start as
soon as reading of the predecessor encounters EOF. Writing will start
as soon as all pending predecessor data are written.
@return index number of new item + 1, <=0 indicates error
*/
int Cdrfifo_attach_follow_up_fds(struct CdrfifO *o, int source_fd, int dest_fd,
int flag);

31
trunk/cdrskin/cdrskin.c
View File

@ -772,17 +772,28 @@ struct CdrtracK {
int track_type_by_default;
int swap_audio_bytes;
/* wether the data source is a container of defined size with possible tail */
int extracting_container;
/** Optional fifo between input fd and libburn. It uses a pipe(2) to transfer
data to libburn.
*/
int fifo_enabled;
/** The fifo object knows the real input fd and the fd[1] of the pipe. */
/** The eventual own fifo object managed by this track object. */
struct CdrfifO *fifo;
/** fd[0] of the fifo pipe. This is from where libburn reads its data. */
int fifo_outlet_fd;
int fifo_size;
int fifo_start_empty;
/** The possibly external fifo object which knows the real input fd and
the fd[1] of the pipe. */
struct CdrfifO *ff_fifo;
/** The index number if fifo follow up fd item, -1= own fifo */
int ff_idx;
struct burn_track *libburn_track;
};
@ -828,11 +839,14 @@ int Cdrtrack_new(struct CdrtracK **track, struct CdrskiN *boss,
o->sector_size= 2048.0;
o->track_type_by_default= 1;
o->swap_audio_bytes= 0;
o->extracting_container= 0;
o->fifo_enabled= 0;
o->fifo= NULL;
o->fifo_outlet_fd= -1;
o->fifo_size= 0;
o->fifo_start_empty= 0;
o->ff_fifo= NULL;
o->ff_idx= -1;
o->libburn_track= NULL;
ret= Cdrskin_get_source(boss,o->source_path,&(o->fixed_size),&(o->padding),
&(o->set_by_padsize),&(skin_track_type),
@ -989,6 +1003,7 @@ int Cdrtrack_extract_audio(struct CdrtracK *track, int *fd, off_t *xtr_size,
if(ret<=0)
{ret= -1*!!ret; goto ex;}
track->swap_audio_bytes= !!msb_first;
track->extracting_container= 1;
fprintf(stderr,"cdrskin: NOTE : %.f %saudio bytes in '%s'\n",
(double) *xtr_size, (msb_first ? "" : "(-swab) "),
track->source_path);
@ -1087,6 +1102,7 @@ int Cdrtrack_open_source_path(struct CdrtracK *track, int *fd, int flag)
bit0= Debugging verbosity
bit1= Do not create and attach a new fifo
but attach new follow-up fd pair to previous_fifo
bit2= Do not enforce fixed_size if not container extraction
@return <=0 error, 1 success
*/
int Cdrtrack_attach_fifo(struct CdrtracK *track, int *outlet_fd,
@ -1108,7 +1124,9 @@ int Cdrtrack_attach_fifo(struct CdrtracK *track, int *outlet_fd,
if(flag&2) {
ret= Cdrfifo_attach_follow_up_fds(previous_fifo,source_fd,pipe_fds[1],0);
if(ret<=0)
return(ret);
return(ret);
track->ff_fifo= previous_fifo;
track->ff_idx= ret-1;
} else {
/* >>> ??? obtain track sector size and use instead of 2048 ? */
@ -1118,9 +1136,14 @@ int Cdrtrack_attach_fifo(struct CdrtracK *track, int *outlet_fd,
return(ret);
if(previous_fifo!=NULL)
Cdrfifo_attach_peer(previous_fifo,ff,0);
track->fifo= ff;
track->fifo= track->ff_fifo= ff;
track->ff_idx= -1;
}
track->fifo_outlet_fd= pipe_fds[0];
if((track->extracting_container || !(flag&4)) && track->fixed_size>0)
Cdrfifo_set_fd_in_limit(track->ff_fifo,track->fixed_size,track->ff_idx,0);
if(flag&1)
printf(
"cdrskin_debug: track %d fifo replaced source_address '%s' by '#%d'\n",
@ -2524,6 +2547,8 @@ int Cdrskin_attach_fifo(struct CdrskiN *skin, int flag)
skin->fifo= NULL;
for(i=0;i<skin->track_counter;i++) {
hflag= (skin->verbosity>=Cdrskin_verbose_debuG);
if(i==skin->track_counter-1)
hflag|= 4;
if(skin->verbosity>=Cdrskin_verbose_cmD) {
if(skin->fifo_per_track)
printf("cdrskin: track %d establishing fifo of %d bytes\n",

2
trunk/cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2006.11.07.152018"
#define Cdrskin_timestamP "2006.11.08.165648"