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flacparse: avoid indefinite extended search for frame end if possible

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... which is particularly useful if locked on to the wrong frame start
and/or corrupt frame being crc checked.
This commit is contained in:
Mark Nauwelaerts 2012-03-19 11:58:15 +01:00
parent 19121249bd
commit 58816039c2
1 changed files with 9 additions and 0 deletions
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9
gst/audioparsers/gstflacparse.c
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@ -691,6 +691,15 @@ gst_flac_parse_frame_is_valid (GstFlacParse * flacparse,
} }
} }
/* so we searched to expected end and found nothing,
* give up on this frame (start) */
if (flacparse->max_framesize && i > 2 * flacparse->max_framesize) {
GST_LOG_OBJECT (flacparse,
"could not determine valid frame end, discarding frame (start)");
*ret = 1;
return FALSE;
}
need_more: need_more:
max = flacparse->max_framesize + 16; max = flacparse->max_framesize + 16;
if (max == 16) if (max == 16)