From 66f60a2355417d731b5dfd0e6048a154ba1eb088 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 5 Feb 2024 02:22:10 +0100 Subject: [PATCH] avcodec/ac3enc_template: add fbw_channels assert fbw_channels must be > 0 as teh code is only run if cpl_enabled is set and that requires mode >= AC3_CHMODE_STEREO CID 718138 Uninitialized scalar variable assumes this assert to be false Signed-off-by: Michael Niedermayer --- libavcodec/ac3enc_template.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/ac3enc_template.c b/libavcodec/ac3enc_template.c index ce9ef58a33..34d07cc9e5 100644 --- a/libavcodec/ac3enc_template.c +++ b/libavcodec/ac3enc_template.c @@ -223,6 +223,8 @@ static void apply_channel_coupling(AC3EncodeContext *s) } } + av_assert1(s->fbw_channels > 0); + /* calculate final coupling coordinates, taking into account reusing of coordinates in successive blocks */ for (bnd = 0; bnd < s->num_cpl_bands; bnd++) {