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dvbsubdec: move shared codepath 

CC: libav-stable@libav.org
Bug-Id: CID 1238839
This commit is contained in:
Vittorio Giovara 2014-11-09 08:48:45 +01:00
parent 2383323661
commit 443502aed8
1 changed files with 8 additions and 15 deletions
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23
libavcodec/dvbsubdec.c
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@ -693,26 +693,19 @@ static int dvbsub_read_8bit_string(uint8_t *destbuf, int dbuf_len,
if (run_length == 0) {
return pixels_read;
}
if (map_table)
bits = map_table[0];
else
bits = 0;
while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits;
pixels_read++;
}
} else {
bits = *(*srcbuf)++;
if (non_mod == 1 && bits == 1)
pixels_read += run_length;
if (map_table)
bits = map_table[bits];
else while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits;
pixels_read++;
}
}
if (map_table)
bits = map_table[0];
else
bits = 0;
while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits;
pixels_read++;
}
}
}