From 8f26d99fbdfaad9dd33adffc8b74ef4e9ebd9345 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Mon, 17 Jul 2023 20:47:34 +0200
Subject: image_writer: error check avif-pixfmt option

---
 video/image_writer.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'video')

diff --git a/video/image_writer.c b/video/image_writer.c
index c8cde77304..1bdf4163a0 100644
--- a/video/image_writer.c
+++ b/video/image_writer.c
@@ -371,6 +371,11 @@ static bool write_avif(struct image_writer_ctx *ctx, mp_image_t *image,
     avctx->pkt_timebase = (AVRational){1, 30};
     avctx->codec_type = AVMEDIA_TYPE_VIDEO;
     avctx->pix_fmt = imgfmt2pixfmt(image->imgfmt);
+    if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
+        MP_ERR(ctx, "Image format %s not supported by lavc.\n",
+               mp_imgfmt_to_name(image->imgfmt));
+        goto free_data;
+    }
 
     av_opt_set_int(avctx, "still-picture", 1, AV_OPT_SEARCH_CHILDREN);
 
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