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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-30 21:30:31 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-03-30 22:16:08 +0200 |
| commit | 2f86e7bd12d8023da3349f10490b1e5b64531e23 (patch) | |
| tree | 755b5530286ad1ccc5c77fe14c33b62b94191c92 | |
| parent | ffd39f9d2366b4bbfcac3c47087a77c6eced362b (diff) | |
| download | ffmpeg-2f86e7bd12d8023da3349f10490b1e5b64531e23.tar.gz | |
graphparser: add a NULL check on the argument passed to strstr
Fix crash in create_filter() which occurrs if a scale filter with no
args is provided.
| -rw-r--r-- | libavfilter/graphparser.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c index 47179e5e54..4f11529900 100644 --- a/libavfilter/graphparser.c +++ b/libavfilter/graphparser.c @@ -121,7 +121,7 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind return ret; } - if (!strcmp(filt_name, "scale") && !strstr(args, "flags")) { + if (!strcmp(filt_name, "scale") && args && !strstr(args, "flags")) { snprintf(tmp_args, sizeof(tmp_args), "%s:%s", args, ctx->scale_sws_opts); args = tmp_args; |