[FFmpeg-devel] [PATCH] jpegdec: Fix vlc table check for progressive jpegs.

[Michael Niedermayer]

Fixes Ticket834

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libavcodec/mjpegdec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 580d803..464c48d 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1073,7 +1073,7 @@ int ff_mjpeg_decode_sos(MJpegDecodeContext *s,
         if (s->dc_index[i] <  0 || s->ac_index[i] < 0 ||
             s->dc_index[i] >= 4 || s->ac_index[i] >= 4)
             goto out_of_range;
-        if (!s->vlcs[0][s->dc_index[i]].table || !s->vlcs[1][s->ac_index[i]].table)
+        if (!s->vlcs[0][s->dc_index[i]].table || !(s->progressive ? s->vlcs[2][s->ac_index[0]].table : s->vlcs[1][s->ac_index[i]].table))
             goto out_of_range;
     }
 
-- 
1.7.5.4