From a3bb269db92601e2dc0e99352468d02f7b26c7c2 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sun, 28 Apr 2024 23:30:51 +0200
Subject: [PATCH] avcodec/amrwbdec: assert mode to be valid in
 decode_fixed_vector()

Inspired-by: CID1473499 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/amrwbdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/amrwbdec.c b/libavcodec/amrwbdec.c
index 9d75b972fa..21a730b835 100644
--- a/libavcodec/amrwbdec.c
+++ b/libavcodec/amrwbdec.c
@@ -26,6 +26,7 @@
 
 #include "config.h"
 
+#include "libavutil/avassert.h"
 #include "libavutil/channel_layout.h"
 #include "libavutil/common.h"
 #include "libavutil/lfg.h"
@@ -554,6 +555,8 @@ static void decode_fixed_vector(float *fixed_vector, const uint16_t *pulse_hi,
             decode_6p_track(sig_pos[i], (int) pulse_lo[i] +
                            ((int) pulse_hi[i] << 11), 4, 1);
         break;
+    default:
+        av_assert2(0);
     }
 
     memset(fixed_vector, 0, sizeof(float) * AMRWB_SFR_SIZE);