зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.9 KiB
Diff
63 строки
1.9 KiB
Diff
diff --git a/mozilla/media/liboggz/src/liboggz/oggz_seek.c b/mozilla/media/liboggz/src/liboggz/oggz_seek.c
|
|
index f933d4d..23ffb57 100644
|
|
--- a/mozilla/media/liboggz/src/liboggz/oggz_seek.c
|
|
+++ b/mozilla/media/liboggz/src/liboggz/oggz_seek.c
|
|
@@ -486,16 +486,18 @@ oggz_scan_for_page (OGGZ * oggz, ogg_page * og, ogg_int64_t unit_target,
|
|
serialno = ogg_page_serialno (og);
|
|
granule_at = ogg_page_granulepos (og);
|
|
unit_at = oggz_get_unit (oggz, serialno, granule_at);
|
|
|
|
break;
|
|
#else
|
|
do {
|
|
offset_at = oggz_get_prev_start_page(oggz, og, &granule_at, &serialno);
|
|
+ if (offset_at == -1)
|
|
+ return -1;
|
|
unit_at = oggz_get_unit(oggz, serialno, granule_at);
|
|
} while (unit_at > unit_target);
|
|
return offset_at;
|
|
#endif
|
|
} else if (unit_at == unit_target) {
|
|
#ifdef DEBUG
|
|
printf (" scan: (%lld) == (%lld)\n", unit_at, unit_target);
|
|
#endif
|
|
@@ -552,16 +554,19 @@ oggz_seek_guess (ogg_int64_t unit_at, ogg_int64_t unit_target,
|
|
printf ("oggz_seek_guess: unit_end <= unit_begin (ERROR)\n");
|
|
#endif
|
|
offset_guess = -1;
|
|
} else {
|
|
offset_guess = guess (unit_at, unit_target, unit_begin, unit_end,
|
|
offset_begin, offset_end);
|
|
}
|
|
|
|
+ if (offset_end != -1 && guess >= offset_end)
|
|
+ offset_guess = offset_begin + (offset_end - offset_begin)/2;
|
|
+
|
|
#ifdef DEBUG
|
|
printf ("oggz_seek_guess: guessed %" PRI_OGGZ_OFF_T "d\n", offset_guess);
|
|
#endif
|
|
|
|
return offset_guess;
|
|
}
|
|
|
|
static oggz_off_t
|
|
@@ -759,16 +764,18 @@ oggz_seek_set (OGGZ * oggz, ogg_int64_t unit_target)
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
found:
|
|
do {
|
|
offset_at = oggz_get_prev_start_page (oggz, og, &granule_at, &serialno);
|
|
+ if (offset_at == -1)
|
|
+ break;
|
|
unit_at = oggz_get_unit (oggz, serialno, granule_at);
|
|
} while (unit_at > unit_target);
|
|
|
|
if (offset_at < 0) {
|
|
oggz_reset (oggz, offset_orig, -1, SEEK_SET);
|
|
return -1;
|
|
}
|
|
|