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mpegvideo: fix null pointer dereference on switching streams

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-03-26 21:54:36 +01:00
parent 7b3ca7ae8b
commit 46c48d546d

View File

@@ -695,6 +695,7 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
s->input_picture_number = s1->input_picture_number; s->input_picture_number = s1->input_picture_number;
av_assert0(!s->picture || s->picture != s1->picture); av_assert0(!s->picture || s->picture != s1->picture);
if(s->picture)
for (i = 0; i < MAX_PICTURE_COUNT; i++) { for (i = 0; i < MAX_PICTURE_COUNT; i++) {
ff_mpeg_unref_picture(s, &s->picture[i]); ff_mpeg_unref_picture(s, &s->picture[i]);
if (s1->picture[i].f.data[0] && if (s1->picture[i].f.data[0] &&