---
libavcodec/vc1dec.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 0340dc2..21285c0 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5522,8 +5522,11 @@ static int vc1_decode_frame(AVCodecContext *avctx, void
*data,
}
} else if (v->interlace && ((buf[0] & 0xC0) == 0xC0)) { /* WVC1
interlaced stores both fields divided by marker */
const uint8_t *divider;
-
+ n_slices1 = n_slices;
+ slices = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ slices[n_slices].mby_start = s->mb_height >> 1;
divider = find_next_marker(buf, buf + buf_size);
+
if ((divider == (buf + buf_size)) || AV_RB32(divider) !=
VC1_CODE_FIELD) {
av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced
frame\n");
goto err;
--
1.7.4.1
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