From 062421e30d1142729e0fddb0d2d488b0ad699471 Mon Sep 17 00:00:00 2001
From: Daniel Kang <daniel.d.kang@gmail.com>
Date: Sun, 9 Jan 2011 08:28:40 +0000
Subject: [PATCH] eacmv: ensure second-last frame is allocated before
referencing it Fixes issue2513 Original patch by Daniel Kang, daniel.d.kang
at gmail
Originally committed as revision 26279 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/eacmv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c
index f506f7cc3e0..016b2342437 100644
--- a/libavcodec/eacmv.c
+++ b/libavcodec/eacmv.c
@@ -97,6 +97,7 @@ static void cmv_decode_inter(CmvContext * s, const uint8_t *buf, const uint8_t *
}else if(raw<buf_end) { /* inter using second-last frame as reference */
int xoffset = (*raw & 0xF) - 7;
int yoffset = ((*raw >> 4)) - 7;
+ if (s->last2_frame.data[0])
cmv_motcomp(s->frame.data[0], s->frame.linesize[0],
s->last2_frame.data[0], s->last2_frame.linesize[0],
x*4, y*4, xoffset, yoffset, s->avctx->width, s->avctx->height);
--
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