[FFmpeg-cvslog] avcodec/jpeg2000dec: fix error detection in pix_fmt_match()

[Michael Niedermayer]

ffmpeg | branch: release/2.1 | Michael Niedermayer <michaelni at gmx.at> | Mon Jan 20 18:40:37 2014 +0100| [a8ed3685e1931fda969e2ee601fa767845138d33] | committer: Michael Niedermayer

avcodec/jpeg2000dec: fix error detection in pix_fmt_match()

Fixes out of array accesses with CODEC_FLAG_EMU_EDGE

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 8001e9f7d17e90b4b0898ba64e3b8bbd716c513c)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a8ed3685e1931fda969e2ee601fa767845138d33
---

 libavcodec/jpeg2000dec.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index d3e49a1..21b19f5 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -344,7 +344,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
             break;
         }
     }
-    if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) {
+    if (i == possible_fmts_nb) {
         av_log(s->avctx, AV_LOG_ERROR,
                "Unknown pix_fmt, profile: %d, colour_space: %d, "
                "components: %d, precision: %d, "
@@ -354,6 +354,7 @@ static int get_siz(Jpeg2000DecoderContext *s)
                ncomponents > 2 ? s->cdy[1] : 0,
                ncomponents > 2 ? s->cdx[2] : 0,
                ncomponents > 2 ? s->cdy[2] : 0);
+        return AVERROR_PATCHWELCOME;
     }
     s->avctx->bits_per_raw_sample = s->precision;
     return 0;