ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon
Feb 5 02:22:10 2024 +0100| [66f60a2355417d731b5dfd0e6048a154ba1eb088] |
committer: Michael Niedermayer
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 <mich...@niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=66f60a2355417d731b5dfd0e6048a154ba1eb088
---
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++) {
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