From 41e733c1ef201f9dbfc51635519fb7632835fda7 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 8 Aug 2015 12:40:34 +0200 Subject: [PATCH] avfilter/graphparser: Do not ignore scale_sws_opts if args == NULL Signed-off-by: Michael Niedermayer --- libavfilter/graphparser.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c index dd331d12c0..9e6fe6abdc 100644 --- a/libavfilter/graphparser.c +++ b/libavfilter/graphparser.c @@ -118,13 +118,16 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind return AVERROR(ENOMEM); } - if (!strcmp(filt_name, "scale") && args && !strstr(args, "flags") && + if (!strcmp(filt_name, "scale") && (!args || !strstr(args, "flags")) && ctx->scale_sws_opts) { - tmp_args = av_asprintf("%s:%s", - args, ctx->scale_sws_opts); - if (!tmp_args) - return AVERROR(ENOMEM); - args = tmp_args; + if (args) { + tmp_args = av_asprintf("%s:%s", + args, ctx->scale_sws_opts); + if (!tmp_args) + return AVERROR(ENOMEM); + args = tmp_args; + } else + args = ctx->scale_sws_opts; } ret = avfilter_init_str(*filt_ctx, args);