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authorMichael Niedermayer <michaelni@gmx.at>2011-09-06 18:20:34 +0200
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2011-09-07 00:31:14 +0200
commiteb975b1c8bfc0d881479a5ba5c4ace4122191687 (patch)
treefc645313887b74de9571a86e83dcb3a0dc6ce910
parent84648d33bac2f72dcd3f07fcbb6ef22e013715a3 (diff)
downloadffmpeg-eb975b1c8bfc0d881479a5ba5c4ace4122191687.tar.gz
mjpegdec; even better RSTn skiping
Fixes Ticket426 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit be7eed72c89368de70dbf8749eca1dac7443e51a)
-rw-r--r--libavcodec/mjpegdec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index cb5bc2387f..e64ea5cd68 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -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)