Commit 65ebc272 authored by Jaroslav Kysela's avatar Jaroslav Kysela

[ALSA CVS] delete unused file

Remove nowhere referenced file. (egrep "filename\." didn't find
anything)
Signed-off-by: default avatarDomen Puncer <domen@coderock.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 33fff8c5
/*
* Onboard memory management
*/
struct SNDRV_STRU_BANK_INFO {
unsigned int address;
unsigned int size;
};
/*----------------------------------------------------------------
* miscellaneous functions
*----------------------------------------------------------------*/
unsigned short snd_seq_oss_semitone_tuning[24] =
{
/* 0 */ 10000, 10595, 11225, 11892, 12599, 13348, 14142, 14983,
/* 8 */ 15874, 16818, 17818, 18877, 20000, 21189, 22449, 23784,
/* 16 */ 25198, 26697, 28284, 29966, 31748, 33636, 35636, 37755
};
unsigned short snd_seq_oss_cent_tuning[100] =
{
/* 0 */ 10000, 10006, 10012, 10017, 10023, 10029, 10035, 10041,
/* 8 */ 10046, 10052, 10058, 10064, 10070, 10075, 10081, 10087,
/* 16 */ 10093, 10099, 10105, 10110, 10116, 10122, 10128, 10134,
/* 24 */ 10140, 10145, 10151, 10157, 10163, 10169, 10175, 10181,
/* 32 */ 10187, 10192, 10198, 10204, 10210, 10216, 10222, 10228,
/* 40 */ 10234, 10240, 10246, 10251, 10257, 10263, 10269, 10275,
/* 48 */ 10281, 10287, 10293, 10299, 10305, 10311, 10317, 10323,
/* 56 */ 10329, 10335, 10341, 10347, 10353, 10359, 10365, 10371,
/* 64 */ 10377, 10383, 10389, 10395, 10401, 10407, 10413, 10419,
/* 72 */ 10425, 10431, 10437, 10443, 10449, 10455, 10461, 10467,
/* 80 */ 10473, 10479, 10485, 10491, 10497, 10503, 10509, 10515,
/* 88 */ 10521, 10528, 10534, 10540, 10546, 10552, 10558, 10564,
/* 96 */ 10570, 10576, 10582, 10589
};
/* convert from MIDI note to frequency */
int
snd_seq_oss_note_to_freq(int note_num)
{
/*
* This routine converts a midi note to a frequency (multiplied by 1000)
*/
int note, octave, note_freq;
static int notes[] = {
261632, 277189, 293671, 311132, 329632, 349232,
369998, 391998, 415306, 440000, 466162, 493880
};
#define BASE_OCTAVE 5
octave = note_num / 12;
note = note_num % 12;
note_freq = notes[note];
if (octave < BASE_OCTAVE)
note_freq >>= (BASE_OCTAVE - octave);
else if (octave > BASE_OCTAVE)
note_freq <<= (octave - BASE_OCTAVE);
/*
* note_freq >>= 1;
*/
return note_freq;
}
unsigned long
snd_seq_oss_compute_finetune(unsigned long base_freq, int bend, int range, int vibrato_cents)
{
unsigned long amount;
int negative, semitones, cents, multiplier = 1;
if (!bend || !range || !base_freq)
return base_freq;
if (range >= 8192)
range = 8192;
bend = bend * range / 8192; /* Convert to cents */
bend += vibrato_cents;
if (!bend)
return base_freq;
negative = bend < 0 ? 1 : 0;
if (bend < 0)
bend *= -1;
if (bend > range)
bend = range;
/*
if (bend > 2399)
bend = 2399;
*/
while (bend > 2399) {
multiplier *= 4;
bend -= 2400;
}
semitones = bend / 100;
if (semitones > 99)
semitones = 99;
cents = bend % 100;
amount = (int) (snd_seq_oss_semitone_tuning[semitones] * multiplier *
snd_seq_oss_cent_tuning[cents]) / 10000;
if (negative)
return (base_freq * 10000) / amount; /* Bend down */
else
return (base_freq * amount) / 10000; /* Bend up */
}
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