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mjpegdec; even better RSTn skiping

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Fixes Ticket426

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit be7eed72c8)
This commit is contained in:
Michael Niedermayer
2011-09-06 18:20:34 +02:00
committed by Carl Eugen Hoyos
parent 84648d33ba
commit eb975b1c8b
1 changed files with 2 additions and 1 deletions
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libavcodec/mjpegdec.c
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@@ -882,7 +882,8 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah, i
}
if (s->restart_interval) --s->restart_count;
if (s->restart_interval && show_bits(&s->gb, 8) == 0xFF){ /* skip RSTn */
i= 8+((-get_bits_count(&s->gb))&7);
if (s->restart_interval && show_bits(&s->gb, i) == (1<<i)-1){ /* skip RSTn */
int pos= get_bits_count(&s->gb);
align_get_bits(&s->gb);
while(show_bits(&s->gb, 8) == 0xFF)