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avcodec/ac3enc_template: add fbw_channels assert

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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 <michael@niedermayer.cc>
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Michael Niedermayer 2024-02-05 02:22:10 +01:00
parent 98ae1ad7cf
commit 66f60a2355
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1 changed files with 2 additions and 0 deletions
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libavcodec/ac3enc_template.c
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@ -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 /* calculate final coupling coordinates, taking into account reusing of
coordinates in successive blocks */ coordinates in successive blocks */
for (bnd = 0; bnd < s->num_cpl_bands; bnd++) { for (bnd = 0; bnd < s->num_cpl_bands; bnd++) {