ffv1dec: defuse membomb

Fixes Ticket2589 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · a3264b4ba1
parent 1de28cb7e4
commit a3264b4ba1
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@ -918,7 +918,7 @@ static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
    if (dst == src)
        return 0;

-    if (!fdst->quant_table_count) {
+    if (!fdst->picture.f) {
        memcpy(fdst, fsrc, sizeof(*fdst));

        for (i = 0; i < fdst->quant_table_count; i++) {