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Do not read uninitialized buffer, no matter if it will be multiplied by

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zero later. This should fix some valgrind warnings and hopefully FATE
ra144 test on ARM.

Originally committed as revision 17677 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2009-03-01 11:14:21 +00:00
parent d819b41ba1
commit 9e27e0d4f8
1 changed files with 5 additions and 0 deletions
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libavcodec/ra144.c
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@ -138,8 +138,13 @@ static void add_wav(int16_t *dest, int n, int skip_first, int *m,
for (i=!skip_first; i<3; i++)
v[i] = (gain_val_tab[n][i] * m[i]) >> gain_exp_tab[n];
if (v[0]) {
for (i=0; i < BLOCKSIZE; i++)
dest[i] = (s1[i]*v[0] + s2[i]*v[1] + s3[i]*v[2]) >> 12;
} else {
for (i=0; i < BLOCKSIZE; i++)
dest[i] = (s2[i]*v[1] + s3[i]*v[2]) >> 12;
}
}
static unsigned int rescale_rms(unsigned int rms, unsigned int energy)