[FFmpeg-cvslog] jpegdec: be less picky on padding
Michael Niedermayer
git at videolan.org
Thu Mar 14 17:36:32 CET 2013
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Mar 14 17:20:44 2013 +0100| [3c24fbbf651d4ec28eccfd7ef05a2595a11dd55a] | committer: Michael Niedermayer
jpegdec: be less picky on padding
Fixes Ticket2353
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3c24fbbf651d4ec28eccfd7ef05a2595a11dd55a
---
libavcodec/mjpegdec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index e38922b..dafa68a 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -742,7 +742,9 @@ static void handle_rstn(MJpegDecodeContext *s, int nb_components)
i = 8 + ((-get_bits_count(&s->gb)) & 7);
/* skip RSTn */
- if (s->restart_count == 0 && show_bits(&s->gb, i) == (1 << i) - 1) {
+ if (s->restart_count == 0) {
+ if( show_bits(&s->gb, i) == (1 << i) - 1
+ || show_bits(&s->gb, i) == 0xFF) {
int pos = get_bits_count(&s->gb);
align_get_bits(&s->gb);
while (get_bits_left(&s->gb) >= 8 && show_bits(&s->gb, 8) == 0xFF)
@@ -752,6 +754,7 @@ static void handle_rstn(MJpegDecodeContext *s, int nb_components)
s->last_dc[i] = 1024;
} else
skip_bits_long(&s->gb, pos - get_bits_count(&s->gb));
+ }
}
}
}
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