[FFmpeg-devel] [PATCH] avcodec/vvcdec: decode extradata to support container formats

From: Nuo Mi <nuomi2021@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Nuo Mi <nuomi2021@gmail.com>
Subject: [FFmpeg-devel] [PATCH] avcodec/vvcdec: decode extradata to support container formats
Date: Sat,  6 Jan 2024 09:24:26 +0800
Message-ID: <TYSPR06MB6433C2F40320F41A06FFEBC0AA652@TYSPR06MB6433.apcprd06.prod.outlook.com> (raw)

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)
-- 
2.25.1

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