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Commit fix by Tom Ross in FS#7488 wherein a silly mistake noise coding initialization is corrected. This sample alone has probably resulted in more WMA fixes then all other combined and I suspect there will still be at least one more.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19496 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2008-12-20 01:49:27 +00:00
parent c983e3b1d2
commit d909eee0ce
1 changed files with 1 additions and 3 deletions
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4
apps/codecs/libwma/wmadeci.c
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@ -1283,10 +1283,8 @@ static int wma_decode_block(WMADecodeContext *s, int32_t *scratch_buffer)
{
/* use noise with specified power */
fixed32 tmp = fixdiv32(exp_power[j],exp_power[last_high_band]);
mult1 = (fixed64)fixsqrt32(tmp);
/* XXX: use a table */
/*mult1 is 48.16, pow_table is 48.16*/
mult1 = mult1 * pow_table[s->high_band_values[ch][j]+20] >> PRECISION;
mult1 = fixmul32(fixsqrt32(tmp),pow_table[s->high_band_values[ch][j]+20]) >> 16;
/*this step has a fairly high degree of error for some reason*/
mult1 = fixdiv64(mult1,fixmul32(s->max_exponent[ch],s->noise_mult));