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authorMichael Niedermayer <michaelni@gmx.at>2015-03-31 01:57:00 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-03-31 01:57:00 +0200
commita38758a97efe9c2de48b5429fd2fdebd55ba6a64 (patch)
tree8c47776fe5f11380147d8ea8b24a9688f1d32a63
parenta105931d3edfd47f287e47e858ef080f0199cd47 (diff)
avcodec/h264_refs: fix null pointer dereference with -DTRACE
Found-by: carl Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/h264_refs.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c
index 27619d994c..3519870046 100644
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@@ -175,16 +175,16 @@ int ff_h264_fill_default_ref_list(H264Context *h, H264SliceContext *sl)
#ifdef TRACE
for (i = 0; i < sl->ref_count[0]; i++) {
tprintf(h->avctx, "List0: %s fn:%d 0x%p\n",
- (h->default_ref_list[0][i].parent->long_ref ? "LT" : "ST"),
+ h->default_ref_list[0][i].parent ? (h->default_ref_list[0][i].parent->long_ref ? "LT" : "ST") : "NULL",
h->default_ref_list[0][i].pic_id,
- h->default_ref_list[0][i].parent->f.data[0]);
+ h->default_ref_list[0][i].parent ? h->default_ref_list[0][i].parent->f.data[0] : 0);
}
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
for (i = 0; i < sl->ref_count[1]; i++) {
tprintf(h->avctx, "List1: %s fn:%d 0x%p\n",
- (h->default_ref_list[1][i].parent->long_ref ? "LT" : "ST"),
+ h->default_ref_list[1][i].parent ? (h->default_ref_list[1][i].parent->long_ref ? "LT" : "ST") : "NULL",
h->default_ref_list[1][i].pic_id,
- h->default_ref_list[1][i].parent->f.data[0]);
+ h->default_ref_list[1][i].parent ? h->default_ref_list[1][i].parent->f.data[0] : 0);
}
}
#endif