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ffmpeg.wasm-core
Commit eea064ae authored by JULIAN GARDNER's avatar JULIAN GARDNER Committed by Michael Niedermayer
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dvbsubdec: Fix variable increments & checking in dvbsub_read_*bit_string() 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 33749698
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Showing with 6 additions and 6 deletions
libavcodec/dvbsubdec.c
View file @ eea064ae
......@@ -532,14 +532,14 @@ static int dvbsub_read_2bit_string(uint8_t *destbuf, int dbuf_len,
}
}
} else if (bits == 1) {
pixels_read += 2;
if (map_table)
bits = map_table[0];
else
bits = 0;
if (pixels_read <= dbuf_len) {
*destbuf++ = bits;
run_length = 2;
while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits;
pixels_read++;
}
} else {
(*srcbuf) += (get_bits_count(&gb) + 7) >> 3;
......@@ -656,14 +656,14 @@ static int dvbsub_read_4bit_string(uint8_t *destbuf, int dbuf_len,
}
}
} else if (bits == 1) {
pixels_read += 2;
if (map_table)
bits = map_table[0];
else
bits = 0;
if (pixels_read <= dbuf_len) {
*destbuf++ = bits;
run_length = 2;
while (run_length-- > 0 && pixels_read < dbuf_len) {
*destbuf++ = bits;
pixels_read++;
}
} else {
if (map_table)
......
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