2009-06-12 07:20:50 +00:00
|
|
|
|
/***************************************************************************
|
|
|
|
|
|
* __________ __ ___.
|
|
|
|
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
|
|
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
|
|
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
|
|
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
|
|
|
|
* \/ \/ \/ \/ \/
|
|
|
|
|
|
* $Id$
|
|
|
|
|
|
*
|
|
|
|
|
|
* Copyright (C) 2006 by Nicolas Pitre <nico@cam.org>
|
|
|
|
|
|
* Copyright (C) 2006-2007 by St<EFBFBD>phane Doyon <s.doyon@videotron.ca>
|
|
|
|
|
|
*
|
|
|
|
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
|
|
|
|
* KIND, either express or implied.
|
|
|
|
|
|
*
|
|
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef _TDSPEED_H
|
|
|
|
|
|
#define _TDSPEED_H
|
|
|
|
|
|
|
2009-07-11 16:46:19 +00:00
|
|
|
|
#include "dsp.h"
|
|
|
|
|
|
|
2009-06-12 07:20:50 +00:00
|
|
|
|
#define TDSPEED_OUTBUFSIZE 4096
|
|
|
|
|
|
|
2009-07-11 16:46:19 +00:00
|
|
|
|
/* some #define functions to get the pitch, stretch and speed values based on */
|
|
|
|
|
|
/* two known values. Remember that params are alphabetical. */
|
|
|
|
|
|
#define GET_SPEED(pitch, stretch) \
|
|
|
|
|
|
((pitch * stretch + PITCH_SPEED_100 / 2L) / PITCH_SPEED_100)
|
|
|
|
|
|
#define GET_PITCH(speed, stretch) \
|
|
|
|
|
|
((speed * PITCH_SPEED_100 + stretch / 2L) / stretch)
|
|
|
|
|
|
#define GET_STRETCH(pitch, speed) \
|
|
|
|
|
|
((speed * PITCH_SPEED_100 + pitch / 2L) / pitch)
|
|
|
|
|
|
|
2011-08-30 14:01:45 +00:00
|
|
|
|
void tdspeed_init(void);
|
|
|
|
|
|
void tdspeed_finish(void);
|
2009-07-11 16:46:19 +00:00
|
|
|
|
bool tdspeed_config(int samplerate, bool stereo, int32_t factor);
|
2009-06-12 07:20:50 +00:00
|
|
|
|
long tdspeed_est_output_size(void);
|
|
|
|
|
|
long tdspeed_est_input_size(long size);
|
|
|
|
|
|
int tdspeed_doit(int32_t *src[], int count);
|
|
|
|
|
|
|
2009-07-11 16:46:19 +00:00
|
|
|
|
#define STRETCH_MAX (250L * PITCH_SPEED_PRECISION) /* 250% */
|
|
|
|
|
|
#define STRETCH_MIN (35L * PITCH_SPEED_PRECISION) /* 35% */
|
2009-06-12 07:20:50 +00:00
|
|
|
|
|
|
|
|
|
|
#endif
|
