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WMA: extend exponent range to 95

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Hopefully this will be enough.  Fixes issue 1565 (again).

Originally committed as revision 20598 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2009-11-24 10:10:39 +00:00
parent fedbfd5d44
commit 8b4a6d47b2
1 changed files with 11 additions and 1 deletions
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12
libavcodec/wmadec.c
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@ -240,7 +240,7 @@ static void decode_exp_lsp(WMACodecContext *s, int ch)
s->block_len, lsp_coefs); s->block_len, lsp_coefs);
} }
/** pow(10, i / 16.0) for i in -60..75 */ /** pow(10, i / 16.0) for i in -60..95 */
static const float pow_tab[] = { static const float pow_tab[] = {
1.7782794100389e-04, 2.0535250264571e-04, 1.7782794100389e-04, 2.0535250264571e-04,
2.3713737056617e-04, 2.7384196342644e-04, 2.3713737056617e-04, 2.7384196342644e-04,
@ -310,6 +310,16 @@ static const float pow_tab[] = {
2.3713737056617e+04, 2.7384196342644e+04, 2.3713737056617e+04, 2.7384196342644e+04,
3.1622776601684e+04, 3.6517412725484e+04, 3.1622776601684e+04, 3.6517412725484e+04,
4.2169650342858e+04, 4.8696752516586e+04, 4.2169650342858e+04, 4.8696752516586e+04,
5.6234132519035e+04, 6.4938163157621e+04,
7.4989420933246e+04, 8.6596432336007e+04,
1.0000000000000e+05, 1.1547819846895e+05,
1.3335214321633e+05, 1.5399265260595e+05,
1.7782794100389e+05, 2.0535250264571e+05,
2.3713737056617e+05, 2.7384196342644e+05,
3.1622776601684e+05, 3.6517412725484e+05,
4.2169650342858e+05, 4.8696752516586e+05,
5.6234132519035e+05, 6.4938163157621e+05,
7.4989420933246e+05, 8.6596432336007e+05,
}; };
/** /**