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Avoiding repeated PVD read attempts if first reading of PVD yielded error

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This commit is contained in:
Thomas Schmitt
2011-04-22 08:18:41 +00:00
parent be08aa8b5c
commit f860e24e58
5 changed files with 16 additions and 2 deletions
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5
libisoburn/burn_wrap.c
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@ -1191,6 +1191,7 @@ int isoburn_read_iso_head(struct burn_drive *d, int lba,
int ret, info_mode, capacity, role;
off_t data_count, to_read;
enum burn_disc_status s;
struct isoburn *o;
info_mode= flag&255;
*image_blocks= 0;
@ -1214,6 +1215,10 @@ int isoburn_read_iso_head(struct burn_drive *d, int lba,
}
to_read= (off_t) capacity * ((off_t) 2048);
if(ret > 0 && to_read >= (off_t) (36 * 1024)) {
ret= isoburn_find_emulator(&o, d, 0);
if(ret > 0)
if(o->media_read_error)
return(-1 * !!(flag & (1 << 15)));
if(to_read >= (off_t) (64 * 1024))
to_read= 64 * 1024;
ret = burn_read_data(d, ((off_t) lba) * (off_t) 2048, (char *) buffer,