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Fix apparent 10l typos introduced in r8627.

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These typos moved the exponent pointer too far ahead.
Fixes issue1055.

Originally committed as revision 20756 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-06 23:51:51 +00:00
parent 75084e47ff
commit f78501b264
1 changed files with 5 additions and 5 deletions
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10
libavcodec/wmadec.c
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@ -630,7 +630,7 @@ static int wma_decode_block(WMACodecContext *s)
/* compute power of high bands */
exponents = s->exponents[ch] +
(s->high_band_start[bsize]<<bsize);
(s->high_band_start[bsize]<<bsize>>esize);
last_high_band = 0; /* avoid warning */
for(j=0;j<n1;j++) {
n = s->exponent_high_bands[s->frame_len_bits -
@ -646,11 +646,11 @@ static int wma_decode_block(WMACodecContext *s)
last_high_band = j;
tprintf(s->avctx, "%d: power=%f (%d)\n", j, exp_power[j], n);
}
exponents += n<<bsize;
exponents += n<<bsize>>esize;
}
/* main freqs and high freqs */
exponents = s->exponents[ch] + (s->coefs_start<<bsize);
exponents = s->exponents[ch] + (s->coefs_start<<bsize>>esize);
for(j=-1;j<n1;j++) {
if (j < 0) {
n = s->high_band_start[bsize] -
@ -672,7 +672,7 @@ static int wma_decode_block(WMACodecContext *s)
*coefs++ = noise *
exponents[i<<bsize>>esize] * mult1;
}
exponents += n<<bsize;
exponents += n<<bsize>>esize;
} else {
/* coded values + small noise */
for(i = 0;i < n; i++) {
@ -681,7 +681,7 @@ static int wma_decode_block(WMACodecContext *s)
*coefs++ = ((*coefs1++) + noise) *
exponents[i<<bsize>>esize] * mult;
}
exponents += n<<bsize;
exponents += n<<bsize>>esize;
}
}