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author | Anton Khirnov <anton@khirnov.net> | 2013-03-17 16:14:58 +0100 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2013-04-06 11:39:11 +0200 |
commit | 34ecaf6e888886badaea6470aa0e9e76595fb8fd (patch) | |
tree | 862920d2628148f6f739a7fc86222227e25ae7f2 /libavfilter/graphparser.c | |
parent | 83553838027401b6e2c415d6bfbf386404400b8e (diff) | |
download | ffmpeg-34ecaf6e888886badaea6470aa0e9e76595fb8fd.tar.gz |
avfiltergraph: check for sws opts being non-NULL before using them.
Avoid snprintfing a NULL pointer.
CC: libav-stable@libav.org
(cherry picked from commit 6e3c13a559e9ff300b5ca60e1d503e594d7f055c)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Diffstat (limited to 'libavfilter/graphparser.c')
-rw-r--r-- | libavfilter/graphparser.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c index 04339c8138..7ce60c16e0 100644 --- a/libavfilter/graphparser.c +++ b/libavfilter/graphparser.c @@ -123,7 +123,8 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind return ret; } - if (!strcmp(filt_name, "scale") && args && !strstr(args, "flags")) { + if (!strcmp(filt_name, "scale") && args && !strstr(args, "flags") && + ctx->scale_sws_opts) { snprintf(tmp_args, sizeof(tmp_args), "%s:%s", args, ctx->scale_sws_opts); args = tmp_args; |