[FFmpeg-devel] [PATCH] lavc/librsvgdec: Fix compilation with librsvg 2.50.3. (PR #20389)

[Lastique via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

PR #20389 opened by Lastique
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20389
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20389.patch

This fixes compilation with librsvg 2.50.3:

```
error: viewport undeclared
```

Fixes https://trac.ffmpeg.org/ticket/10722.


>From 4f318bb8842dd7e4b91077611b927427e01a570d Mon Sep 17 00:00:00 2001
From: Andrey Semashev <andrey.semashev@gmail.com>
Date: Tue, 2 Sep 2025 01:07:05 +0300
Subject: [PATCH] lavc/librsvgdec: Fix compilation with librsvg 2.50.3.

This fixes compilation with librsvg 2.50.3:

error: viewport undeclared

Fixes https://trac.ffmpeg.org/ticket/10722.
---
 libavcodec/librsvgdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/librsvgdec.c b/libavcodec/librsvgdec.c
index c328fbc774..756c26d868 100644
--- a/libavcodec/librsvgdec.c
+++ b/libavcodec/librsvgdec.c
@@ -90,8 +90,10 @@ static int librsvg_decode_frame(AVCodecContext *avctx, AVFrame *frame,
         goto end;
 
     avctx->pix_fmt = AV_PIX_FMT_RGB32;
+#if LIBRSVG_MAJOR_VERSION > 2 || LIBRSVG_MAJOR_VERSION == 2 && LIBRSVG_MINOR_VERSION >= 52
     viewport.width = dimensions.width;
     viewport.height = dimensions.height;
+#endif
 
     ret = ff_get_buffer(avctx, frame, 0);
     if (ret < 0)
-- 
2.49.1

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