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Diffstat (limited to 'src/libffmpeg/libavcodec/mpeg12.c')
-rw-r--r--src/libffmpeg/libavcodec/mpeg12.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/mpeg12.c b/src/libffmpeg/libavcodec/mpeg12.c
index c31a711c7..c68f8d8a0 100644
--- a/src/libffmpeg/libavcodec/mpeg12.c
+++ b/src/libffmpeg/libavcodec/mpeg12.c
@@ -1990,6 +1990,9 @@ static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
+ if (!s1->mpeg_enc_ctx_allocated)
+ return 0;
+
/* end of slice reached */
if (/*s->mb_y<<field_pic == s->mb_height &&*/ !s->first_field) {
/* end of image */