From 26769024d1cb63078b7dd5c470daedb8dbe4e5bd Mon Sep 17 00:00:00 2001
From: Nuo Mi <nuomi2021@gmail.com>
Date: Sat, 6 Jan 2024 09:24:26 +0800
Subject: [PATCH] avcodec/vvcdec: decode extradata to support container formats

For example:
wget https://www.elecard.com/storage/video/NovosobornayaSquare_1920x1080.mp4
./ffplay NovosobornayaSquare_1920x1080.mp4
---
 libavcodec/vvc/vvcdec.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/vvc/vvcdec.c b/libavcodec/vvc/vvcdec.c
index 608d497cb7..54ada28124 100644
--- a/libavcodec/vvc/vvcdec.c
+++ b/libavcodec/vvc/vvcdec.c
@@ -977,6 +977,12 @@ static av_cold int vvc_decode_init(AVCodecContext *avctx)
     if (ret)
         return ret;
 
+    if (avctx->extradata_size > 0 && avctx->extradata) {
+        ret = ff_cbs_read_extradata_from_codec(s->cbc, &s->current_frame, avctx);
+        if (ret < 0)
+            return ret;
+    }
+
     s->nb_fcs = (avctx->flags & AV_CODEC_FLAG_LOW_DELAY) ? 1 : delayed;
     s->fcs = av_calloc(s->nb_fcs, sizeof(*s->fcs));
     if (!s->fcs)