From 20b671f651022a4aecabb00165444412d3f09552 Mon Sep 17 00:00:00 2001
From: Gyan Doshi <ffmpeg@gyani.pro>
Date: Sun, 14 Dec 2025 16:18:14 +0530
Subject: [PATCH] lavf/dvenc: add flag for default codecs only

The muxer does not accept any other codecs.
---
 libavformat/dvenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/dvenc.c b/libavformat/dvenc.c
index 0e9a6cfbb1..773c05d394 100644
--- a/libavformat/dvenc.c
+++ b/libavformat/dvenc.c
@@ -493,6 +493,7 @@ const FFOutputFormat ff_dv_muxer = {
     .priv_data_size    = sizeof(DVMuxContext),
     .p.audio_codec     = AV_CODEC_ID_PCM_S16LE,
     .p.video_codec     = AV_CODEC_ID_DVVIDEO,
+    .flags_internal    = FF_OFMT_FLAG_ONLY_DEFAULT_CODECS,
     .write_header      = dv_write_header,
     .write_packet      = dv_write_packet,
     .deinit            = dv_deinit,