From: Michael Niedermayer <michae...@gmx.at>

Fixes Ticket1373

Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 70f0ffa1ed456fd0b560d0dd1d0d93f1ba3a6d93)

Signed-off-by: Reinhard Tartler <siret...@tauware.de>
---
 libavcodec/bmv.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/bmv.c b/libavcodec/bmv.c
index 876c13f..292672d 100644
--- a/libavcodec/bmv.c
+++ b/libavcodec/bmv.c
@@ -268,6 +268,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
     c->avctx = avctx;
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
+    if (avctx->width != SCREEN_WIDE || avctx->height != SCREEN_HIGH) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid dimension %dx%d\n", avctx->width, 
avctx->height);
+        return AVERROR_INVALIDDATA;
+    }
+
     c->pic.reference = 1;
     if (avctx->get_buffer(avctx, &c->pic) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-- 
1.7.9.5

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