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/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009-2011 Alexey Yakovenko <waker@users.sourceforge.net>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __ST_H
#define __ST_H
//////////////////////////////////
// C-wrapper for soundtouch class
/// Enable/disable anti-alias filter in pitch transposer (0 = disable)
#define SETTING_USE_AA_FILTER 0
/// Pitch transposer anti-alias filter length (8 .. 128 taps, default = 32)
#define SETTING_AA_FILTER_LENGTH 1
/// Enable/disable quick seeking algorithm in tempo changer routine
/// (enabling quick seeking lowers CPU utilization but causes a minor sound
/// quality compromising)
#define SETTING_USE_QUICKSEEK 2
/// Time-stretch algorithm single processing sequence length in milliseconds. This determines
/// to how long sequences the original sound is chopped in the time-stretch algorithm.
/// See "STTypes.h" or README for more information.
#define SETTING_SEQUENCE_MS 3
/// Time-stretch algorithm seeking window length in milliseconds for algorithm that finds the
/// best possible overlapping location. This determines from how wide window the algorithm
/// may look for an optimal joining location when mixing the sound sequences back together.
/// See "STTypes.h" or README for more information.
#define SETTING_SEEKWINDOW_MS 4
/// Time-stretch algorithm overlap length in milliseconds. When the chopped sound sequences
/// are mixed back together, to form a continuous sound stream, this parameter defines over
/// how long period the two consecutive sequences are let to overlap each other.
/// See "STTypes.h" or README for more information.
#define SETTING_OVERLAP_MS 5
#ifdef __cplusplus
extern "C" {
#endif
void*
st_alloc (void);
void
st_free (void *st);
void
st_set_rate (void *st, float r);
void
st_set_tempo (void *st, float t);
void
st_set_rate_change (void *st, float r);
void
st_set_tempo_change (void *st, float t);
void
st_set_pitch (void *st, float p);
void
st_set_pitch_octaves (void *st, float po);
void
st_set_pitch_semi_tones (void *st, float p);
void
st_set_channels (void *st, int c);
void
st_set_sample_rate (void *st, int r);
void
st_flush (void *st);
void
st_put_samples (void *st, float *samples, int nsamples);
void
st_clear (void *st);
void
st_set_setting (void *st, int id, int value);
int
st_get_setting (void *st, int id);
unsigned int
st_num_unprocessed_samples (void *st);
unsigned int
st_receive_samples (void *st, float *out, unsigned int max_samples);
#ifdef __cplusplus
}
#endif
#endif
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