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typefindfunctions: prevent unsigned int overflow
https://bugzilla.gnome.org/show_bug.cgi?id=778432
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@ -1506,7 +1506,7 @@ mp3_type_find_at_offset (GstTypeFind * tf, guint64 start_off,
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offset += length;
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}
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g_assert (found <= GST_MP3_TYPEFIND_TRY_HEADERS);
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if (head_data == NULL &&
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if (found != 0 && head_data == NULL &&
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gst_type_find_peek (tf, offset + start_off - 1, 1) == NULL)
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/* Incomplete last frame - don't count it. */
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found--;
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