From 77c5a54192b2bd662bdd6bfe5976707da6b68a35 Mon Sep 17 00:00:00 2001
From: Yogender Gupta <ygupta@nvidia.com>
Date: Mon, 14 Aug 2017 16:11:32 +0530
Subject: avfilter/scale_npp: fix passthrough mode

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
---
 libavfilter/vf_scale_npp.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libavfilter/vf_scale_npp.c')

diff --git a/libavfilter/vf_scale_npp.c b/libavfilter/vf_scale_npp.c
index c36772e800..f64ab956c7 100644
--- a/libavfilter/vf_scale_npp.c
+++ b/libavfilter/vf_scale_npp.c
@@ -320,7 +320,11 @@ static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_heig
     }
 
     if (last_stage < 0)
+    {
+        ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx);
         return 0;
+    }
+
     ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx);
     if (!ctx->outputs[0]->hw_frames_ctx)
         return AVERROR(ENOMEM);
-- 
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