[FFmpeg-cvslog] vc1dec: Undo mpegvideo initialization if unable to allocate tables

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Fri Sep 20 11:16:57 2013 +0300| [b772b0e28eba6abf76d86ee8c6e459a86642db5a] | committer: Martin Storsjö

vc1dec: Undo mpegvideo initialization if unable to allocate tables

Previously, s->context_initialized was left set to 1
if ff_vc1_decode_init_alloc_tables failed, skipping the
initialization completely on the next decode call.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b772b0e28eba6abf76d86ee8c6e459a86642db5a
---

 libavcodec/vc1dec.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 35a0fe7..d0566a3 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5877,8 +5877,12 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
     }
 
     if (!s->context_initialized) {
-        if (ff_msmpeg4_decode_init(avctx) < 0 || ff_vc1_decode_init_alloc_tables(v) < 0)
+        if (ff_msmpeg4_decode_init(avctx) < 0)
             goto err;
+        if (ff_vc1_decode_init_alloc_tables(v) < 0) {
+            ff_MPV_common_end(s);
+            goto err;
+        }
 
         s->low_delay = !avctx->has_b_frames || v->res_sprite;