From 3392c1b05ea1a0b9a77bfb8075350af261cb0ab4 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Fri, 25 Sep 2020 11:05:30 -0300
Subject: [PATCH] avcodec/av1dec: fix check for active sequence header

We clear the AV1RawSequenceHeader pointer on flush, not the relevant AVBufferRef.

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/av1dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index f6b9fbbac3..a30a496b4c 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -713,7 +713,7 @@ static int av1_decode_frame(AVCodecContext *avctx, void *frame,
         // fall-through
         case AV1_OBU_FRAME:
         case AV1_OBU_FRAME_HEADER:
-            if (!s->seq_ref) {
+            if (!s->raw_seq) {
                 av_log(avctx, AV_LOG_ERROR, "Missing Sequence Header.\n");
                 ret = AVERROR_INVALIDDATA;
                 goto end;