Commit f2401c21 authored by Christophe Gisquet's avatar Christophe Gisquet Committed by Benoit Fouet
Browse files

Use math constant instead of hardcoded rounded value for sqrt(0.5).

Patch by Christophe.Gisquet (gmail)

Originally committed as revision 24213 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent bf55cf19
......@@ -1403,8 +1403,8 @@ static int dca_decode_frame(AVCodecContext * avctx,
float* rt_chan = s->samples + s->channel_order_tab[s->xch_base_channel - 1] * 256;
int j;
for(j = 0; j < 256; ++j) {
lt_chan[j] -= (back_chan[j] - s->add_bias) * 0.707107f;
rt_chan[j] -= (back_chan[j] - s->add_bias) * 0.707107f;
lt_chan[j] -= (back_chan[j] - s->add_bias) * M_SQRT1_2;
rt_chan[j] -= (back_chan[j] - s->add_bias) * M_SQRT1_2;
}
}
......
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