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avcodec/dvbsubdec: Fix 8bit non_mod case

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Untested, i failed to find a sample which triggers this case

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-07-31 13:25:43 +02:00
parent 2813dabdd4
commit e0c36f5825
1 changed files with 7 additions and 5 deletions
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12
libavcodec/dvbsubdec.c
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@@ -741,11 +741,13 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
if (non_mod == 1 && bits == 1) if (non_mod == 1 && bits == 1)
pixels_read += run_length; pixels_read += run_length;
if (map_table) else {
bits = map_table[bits]; if (map_table)
else while (run_length-- > 0 && pixels_read < dbuf_len) { bits = map_table[bits];
*destbuf++ = bits; while (run_length-- > 0 && pixels_read < dbuf_len) {
pixels_read++; *destbuf++ = bits;
pixels_read++;
}
} }
} }
} }