nutenc: don't av_malloc(0).

25588d3b · Ronald S. Bultje · fb22c237 · 25588d3b
Commit 25588d3b authored Apr 27, 2011 by Ronald S. Bultje
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nutenc.c libavformat/nutenc.c +2 -1

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--- a/libavformat/nutenc.c
+++ b/libavformat/nutenc.c
@@ -584,7 +584,8 @@ static int write_header(AVFormatContext *s){
    nut->avf= s;

    nut->stream   = av_mallocz(sizeof(StreamContext)*s->nb_streams);
-    nut->chapter  = av_mallocz(sizeof(ChapterContext)*s->nb_chapters);
+    if (s->nb_chapters)
+        nut->chapter  = av_mallocz(sizeof(ChapterContext)*s->nb_chapters);
    nut->time_base= av_mallocz(sizeof(AVRational   )*(s->nb_streams +
                                                      s->nb_chapters));