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