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#ifdef CONFIG_OSS_VMIX_FLOAT
/*
* Purpose: Recording device to local input buffer import routine for vmix
*/
/*
*
* This file is part of Open Sound System.
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This this source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
*/
int i, ch;
float vol;
vol = vmix_db_table[eng->outvol / 5];
for (ch = 0; ch < channels; ch++)
{
float vu;
float *chbuf;
vu = eng->vu[ch % 2];
vu = vu / 255.0;
op = (SAMPLE_TYPE *) inbuf;
op += ch;
chbuf = chbufs[ch];
for (i = 0; i < samples; i++)
{
float tmp;
#if 0 && defined(SINE_DEBUG)
/* Generate internal sine wave test signal */
tmp = 0;
if (ch < 2)
{
tmp = sine_table[sine_phase[ch]];
sine_phase[ch] = (sine_phase[ch] + 1) % SINE_SIZE;
}
#else
tmp = VMIX_BYTESWAP (*op);
tmp /= SAMPLE_RANGE;
tmp *= vol;
if (tmp < -1.0)
tmp = -1.0;
else if (tmp > 1.0)
tmp = 1.0;
#endif
op += channels;
*chbuf++ = tmp;
/* VU meter */
if (tmp < 0.0)
tmp = -tmp;
if (tmp > vu)
vu = tmp;
}
if (ch < 2)
{
vu = vu * 255.0;
eng->vu[ch] = (int)vu;
}
}
#else
#include "vmix_import_int.inc"
#endif
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