CC: [email protected]
Bug-Id: 1012
---
This patch stops the crash from Bugzilla #1012, however, the real issue is:
mpeg4videodec.c:decode_init() needs to be called somewhere before the call to
av_parser_parse2() in libavformat/utils.c:parse_packet()
---
libavcodec/mpeg4videodec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 8891ec1..2be68ee 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -186,6 +186,10 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext
*ctx, GetBitContext *g
if (w <= 0 || h <= 0)
return AVERROR_INVALIDDATA;
+ /* the decoder was not properly intialized 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;
--
1.7.9.2
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