diff options
-rw-r--r-- | libavcodec/mpeg4videodec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 82c4f8fc8c..0203503599 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -189,6 +189,10 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g if (w <= 0 || h <= 0) return AVERROR_INVALIDDATA; + /* the decoder was not properly initialized and we cannot continue */ + if (sprite_trajectory.table == NULL) + return AVERROR_INVALIDDATA; + for (i = 0; i < ctx->num_sprite_warping_points; i++) { int length; int x = 0, y = 0; |