From 14c5c46940c34326b8ea568deb738044e90a8602 Mon Sep 17 00:00:00 2001
From: Petter Reinholdtsen <pere@debian.org>
Date: Fri, 7 Mar 2025 17:51:32 +0100
Subject: [PATCH] Improve encoder example to reject audio without any channels.
This avoid a crash on bogus input, just exit with a message instead.
Fixes #2305
---
examples/encoder_example.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/examples/encoder_example.c b/examples/encoder_example.c
index 8d244dab..7aca31b2 100644
--- a/examples/encoder_example.c
+++ b/examples/encoder_example.c
@@ -33,6 +33,7 @@
#endif
/*#define OC_COLLECT_METRICS*/
+#include <assert.h>
#include <stdio.h>
#if !defined(_WIN32)
#include <getopt.h>
@@ -775,6 +776,10 @@ static void id_file(char *f){
audio=test;
audio_ch=buffer[6]+(buffer[7]<<8);
+ if (0 >= audio_ch) {
+ fprintf(stderr,"Can only read WAV files with non-zero audio channels for now.\n");
+ exit(1);
+ }
audio_hz=buffer[8]+(buffer[9]<<8)+
(buffer[10]<<16)+(buffer[11]<<24);
--
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