34a092a997
Because casting to and from "enum dsp_id" just adds noise, change everything to unsigned int. Change-Id: I52a7ae55f406e673d5b811b29657fcdc4b62ab10
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2005 Miika Pekkarinen
|
|
* Copyright (C) 2012 Michael Sevakis
|
|
*
|
|
* 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.
|
|
*
|
|
****************************************************************************/
|
|
#include "rbcodecconfig.h"
|
|
#include "platform.h"
|
|
#include "dsp_core.h"
|
|
#include "dsp_sample_io.h"
|
|
#include "dsp_proc_entry.h"
|
|
#include "fixedpoint.h"
|
|
|
|
/* increment the format version counter */
|
|
static void format_change_set(struct sample_io_data *this)
|
|
{
|
|
if (this->format_dirty)
|
|
return;
|
|
|
|
this->format.version = (uint8_t)(this->format.version + 1) ?: 1;
|
|
this->format_dirty = 1;
|
|
}
|
|
|
|
bool dsp_sample_io_configure(struct sample_io_data *this,
|
|
unsigned int setting,
|
|
intptr_t *value_p)
|
|
{
|
|
intptr_t value = *value_p;
|
|
|
|
switch (setting)
|
|
{
|
|
case DSP_INIT:
|
|
this->output_sampr = DSP_OUT_DEFAULT_HZ;
|
|
dsp_sample_input_init(this, value);
|
|
dsp_sample_output_init(this);
|
|
break;
|
|
|
|
case DSP_RESET:
|
|
/* Reset all sample descriptions to default */
|
|
format_change_set(this);
|
|
this->format.num_channels = 2;
|
|
this->format.frac_bits = WORD_FRACBITS;
|
|
this->format.output_scale = WORD_FRACBITS + 1 - NATIVE_DEPTH;
|
|
this->format.frequency = this->output_sampr;
|
|
this->format.codec_frequency = this->output_sampr;
|
|
this->sample_depth = NATIVE_DEPTH;
|
|
this->stereo_mode = STEREO_NONINTERLEAVED;
|
|
break;
|
|
|
|
case DSP_SET_FREQUENCY:
|
|
format_change_set(this);
|
|
value = value > 0 ? (unsigned int)value : this->output_sampr;
|
|
this->format.frequency = value;
|
|
this->format.codec_frequency = value;
|
|
break;
|
|
|
|
case DSP_SET_SAMPLE_DEPTH:
|
|
format_change_set(this);
|
|
this->format.frac_bits =
|
|
value <= NATIVE_DEPTH ? WORD_FRACBITS : value;
|
|
this->format.output_scale =
|
|
this->format.frac_bits + 1 - NATIVE_DEPTH;
|
|
this->sample_depth = value;
|
|
break;
|
|
|
|
case DSP_SET_STEREO_MODE:
|
|
format_change_set(this);
|
|
this->format.num_channels = value == STEREO_MONO ? 1 : 2;
|
|
this->stereo_mode = value;
|
|
break;
|
|
|
|
case DSP_FLUSH:
|
|
dsp_sample_input_flush(this);
|
|
dsp_sample_output_flush(this);
|
|
break;
|
|
|
|
case DSP_SET_PITCH:
|
|
format_change_set(this);
|
|
value = value > 0 ? value : (1 << 16);
|
|
this->format.frequency =
|
|
fp_mul(value, this->format.codec_frequency, 16);
|
|
break;
|
|
|
|
case DSP_SET_OUT_FREQUENCY:
|
|
value = value > 0 ? value : DSP_OUT_DEFAULT_HZ;
|
|
value = MIN(DSP_OUT_MAX_HZ, MAX(DSP_OUT_MIN_HZ, value));
|
|
*value_p = value;
|
|
|
|
if ((unsigned int)value == this->output_sampr)
|
|
return true; /* No change; don't broadcast */
|
|
|
|
this->output_sampr = value;
|
|
break;
|
|
|
|
case DSP_GET_OUT_FREQUENCY:
|
|
*value_p = this->output_sampr;
|
|
return true; /* Only I/O handles it */
|
|
}
|
|
|
|
return false;
|
|
}
|