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avcodec/h264_refs: fix null pointer dereference with -DTRACE 

Found-by: carl
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-31 01:57:00 +02:00
parent a105931d3e
commit a38758a97e
1 changed files with 4 additions and 4 deletions
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8
libavcodec/h264_refs.c
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@ -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