[FFmpeg-devel] [PATCH v5 16/20] lavfi/vpp_qsv: check output format string against NULL pointer

[Haihao Xiang]

This is in preparation for re-using VPPContext but with a different
option array for deinterlacing_qsv filter
---
 libavfilter/vf_vpp_qsv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index 3eddefea31..f7854f81bf 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -234,7 +234,7 @@ static av_cold int vpp_init(AVFilterContext *ctx)
 {
     VPPContext  *vpp  = ctx->priv;
 
-    if (!strcmp(vpp->output_format_str, "same")) {
+    if (!vpp->output_format_str || !strcmp(vpp->output_format_str, "same")) {
         vpp->out_format = AV_PIX_FMT_NONE;
     } else {
         vpp->out_format = av_get_pix_fmt(vpp->output_format_str);
-- 
2.17.1