From 900fe8ee5d17b8f2bd2bd5f1fdd62cf992525bc8 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Wed, 14 Jun 2017 16:58:35 +0200
Subject: [PATCH] avcodec/dnxhdenc: Assert that frame size is not assigned an
 error code

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/dnxhdenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 59e3f73689..6e9b54de4f 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -478,6 +478,7 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
     if (ctx->cid_table->frame_size == DNXHD_VARIABLE) {
         ctx->frame_size = ff_dnxhd_get_hr_frame_size(ctx->cid,
                                                      avctx->width, avctx->height);
+        av_assert0(ctx->frame_size >= 0);
         ctx->coding_unit_size = ctx->frame_size;
     } else {
         ctx->frame_size = ctx->cid_table->frame_size;