From ab2ab570946e5d15b16491219f23a05446f628c3 Mon Sep 17 00:00:00 2001
From: Jean-Marc Valin <jmvalin@jmvalin.ca>
Date: Fri, 1 Mar 2024 23:49:29 -0500
Subject: [PATCH] Fix NaN in Deep PLC
silk_burg_analysis() could return a slightly negative value on zero
input, which would cause a negative, which the log didn't like.
---
dnn/burg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dnn/burg.c b/dnn/burg.c
index 643a0d30a..3d6b23b03 100644
--- a/dnn/burg.c
+++ b/dnn/burg.c
@@ -33,6 +33,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include <string.h>
#include <assert.h>
+#include "arch.h"
#include "burg.h"
#define MAX_FRAME_SIZE 384 /* subfr_length * nb_subfr = ( 0.005 * 16000 + 16 ) * 4 = 384*/
@@ -241,5 +242,5 @@ float silk_burg_analysis( /* O returns residual energy
}
/* Return residual energy */
- return (float)nrg_f;
+ return MAX32(0, (float)nrg_f);
}
--
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