From 1446e37d3d032e1452844778b3e6ba2c20f0c322 Mon Sep 17 00:00:00 2001

From: James Almer <jamrial@gmail.com>

Date: Mon, 30 Dec 2024 00:25:41 -0300

Subject: [PATCH] avfilter/buffersrc: check for valid sample rate

​

A sample rate <= 0 is invalid.

​

Fixes an assert in ffmpeg_enc.c that assumed a valid sample rate would be set.

Fixes ticket #11385.

​

Signed-off-by: James Almer <jamrial@gmail.com>

---

 libavfilter/buffersrc.c | 5 +++++

 1 file changed, 5 insertions(+)

​

diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c

index bdf8b14451..c921803c67 100644

--- a/libavfilter/buffersrc.c

+++ b/libavfilter/buffersrc.c

@@ -421,6 +421,11 @@ static av_cold int init_audio(AVFilterContext *ctx)

         av_channel_layout_describe(&s->ch_layout, buf, sizeof(buf));

     }

+    if (s->sample_rate <= 0) {

+        av_log(ctx, AV_LOG_ERROR, "Sample rate not set\n");

+        return AVERROR(EINVAL);

+    }

+

     if (!s->time_base.num)

         s->time_base = (AVRational){1, s->sample_rate};

-- 

2.44.0

​

​