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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 17:10:07 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-10-15 17:10:07 +0000 |
| commit | a57afd2943a4c222c1575abd8707120c80267be9 (patch) | |
| tree | 1db47c8c7f5097f4942c5902f2c492ccbdb0b33e /libavcodec/mpegaudiodec.c | |
| parent | e8b785411e067df7bb5d39fd2d1007d72b7f2a9a (diff) | |
| download | ffmpeg-a57afd2943a4c222c1575abd8707120c80267be9.tar.gz | |
Partially revert r20233, exp2f is not available on some BSDs, DOS and AVR32.
Originally committed as revision 20240 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpegaudiodec.c')
| -rw-r--r-- | libavcodec/mpegaudiodec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index e531fd37d8..47c22791bb 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -411,7 +411,7 @@ static av_cold int decode_init(AVCodecContext * avctx) double value = i/4; double f, fm; int e, m; - f = value * cbrtf(value) * exp2f((i&3)*0.25); + f = value * cbrtf(value) * pow(2, (i&3)*0.25); fm = frexp(f, &e); m = (uint32_t)(fm*(1LL<<31) + 0.5); e+= FRAC_BITS - 31 + 5 - 100; @@ -423,7 +423,7 @@ static av_cold int decode_init(AVCodecContext * avctx) for(i=0; i<512*16; i++){ double value = i & 15; int exponent= (i>>4); - double f= value * cbrtf(value) * exp2f((exponent-400)*0.25 + FRAC_BITS + 5); + double f= value * cbrtf(value) * pow(2, (exponent-400)*0.25 + FRAC_BITS + 5); expval_table[exponent][i&15]= llrint(f); if((i&15)==1) exp_table[exponent]= llrint(f); |