177 lines
5.8 KiB
C
177 lines
5.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* 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.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef DSP_PROC_ENTRY_H
|
|
#define DSP_PROC_ENTRY_H
|
|
|
|
#if 0 /* Set to '1' to enable local debug messages */
|
|
#include <debug.h>
|
|
#else
|
|
#undef DEBUGF
|
|
#define DEBUGF(...)
|
|
#endif
|
|
|
|
/* Macros to generate the right stuff */
|
|
#ifdef DSP_PROC_DB_CREATE
|
|
struct dsp_proc_db_entry;
|
|
|
|
#define DSP_PROC_DB_START
|
|
#define DSP_PROC_DB_ITEM(name) \
|
|
extern const struct dsp_proc_db_entry name##_proc_db_entry;
|
|
#define DSP_PROC_DB_STOP
|
|
|
|
/* Create database as externs to be able to build array */
|
|
#include "dsp_proc_database.h"
|
|
|
|
#define DSP_PROC_DB_START \
|
|
static struct dsp_proc_db_entry const * const dsp_proc_database[] = {
|
|
|
|
#define DSP_PROC_DB_ITEM(name) \
|
|
&name##_proc_db_entry,
|
|
|
|
#define DSP_PROC_DB_STOP };
|
|
|
|
/* Create database as array */
|
|
#include "dsp_proc_database.h"
|
|
|
|
/* Number of effects in database - all available in audio DSP */
|
|
#define DSP_NUM_PROC_STAGES ARRAYLEN(dsp_proc_database)
|
|
|
|
/* Number of possible effects for voice DSP */
|
|
#ifdef HAVE_SW_TONE_CONTROLS
|
|
#define DSP_VOICE_NUM_PROC_STAGES 2 /* resample, tone */
|
|
#else
|
|
#define DSP_VOICE_NUM_PROC_STAGES 1 /* resample */
|
|
#endif
|
|
|
|
#else /* !DSP_PROC_DB_CREATE */
|
|
|
|
#ifdef DEBUG
|
|
#define DSP_PROC_DB_ENTRY(_name, _configure) \
|
|
const struct dsp_proc_db_entry _name##_proc_db_entry = \
|
|
{ .id = DSP_PROC_##_name, .configure = _configure, \
|
|
.name = #_name };
|
|
#else /* !DEBUG */
|
|
#define DSP_PROC_DB_ENTRY(_name, _configure) \
|
|
const struct dsp_proc_db_entry _name##_proc_db_entry = \
|
|
{ .id = DSP_PROC_##_name, .configure = _configure };
|
|
#endif /* DEBUG */
|
|
|
|
#endif /* DSP_PROC_DB_CREATE */
|
|
|
|
#define DSP_PROC_DB_START \
|
|
enum dsp_proc_ids \
|
|
{ \
|
|
___DSP_PROC_ID_RESERVED = 0,
|
|
|
|
#define DSP_PROC_DB_ITEM(name) \
|
|
DSP_PROC_##name,
|
|
|
|
#define DSP_PROC_DB_STOP };
|
|
|
|
/* Create database as enums for use as ids */
|
|
#include "dsp_proc_database.h"
|
|
|
|
struct dsp_proc_entry;
|
|
|
|
#include "dsp_core.h"
|
|
|
|
/* DSP sample transform function prototype */
|
|
typedef void (*dsp_proc_fn_type)(struct dsp_proc_entry *this,
|
|
struct dsp_buffer **buf);
|
|
|
|
/**
|
|
* dsp_proc_entry
|
|
* The structure allocated to every stage when enabled.
|
|
*
|
|
* default settings:
|
|
* .data = 0
|
|
* .process = NULL
|
|
*
|
|
* DSP_PROC_INIT handler just has to change what it needs to change. It may
|
|
* also be modified at any time to implement the stage's demands.
|
|
*/
|
|
struct dsp_proc_entry
|
|
{
|
|
intptr_t data; /* 00h: any value, used by asm */
|
|
dsp_proc_fn_type process; /* Processing vector */
|
|
};
|
|
|
|
/* Return values for DSP_PROC_NEW_FORMAT setting */
|
|
enum
|
|
{
|
|
PROC_NEW_FORMAT_OK = 0, /* Acks, calls process() (default) */
|
|
PROC_NEW_FORMAT_DEACTIVATED, /* Acks, does not call process() */
|
|
PROC_NEW_FORMAT_TRANSITION /* Does not ack, calls process() */
|
|
};
|
|
|
|
/* DSP transform configure function prototype */
|
|
typedef intptr_t (*dsp_proc_config_fn_type)(struct dsp_proc_entry *this,
|
|
struct dsp_config *dsp,
|
|
unsigned int setting,
|
|
intptr_t value);
|
|
|
|
/* Enable/disable a processing stage - not to be called during processing
|
|
* by processing code! */
|
|
void dsp_proc_enable(struct dsp_config *dsp, enum dsp_proc_ids id,
|
|
bool enable);
|
|
|
|
/* Is the specified stage enabled on the DSP? */
|
|
bool dsp_proc_enabled(struct dsp_config *dsp, enum dsp_proc_ids id);
|
|
|
|
/* Activate/deactivate processing stage, doesn't affect enabled status
|
|
* thus will not enable anything -
|
|
* may be called during processing to activate/deactivate for format
|
|
* changes */
|
|
void dsp_proc_activate(struct dsp_config *dsp, enum dsp_proc_ids id,
|
|
bool activate);
|
|
|
|
/* Is the specified stage active on the DSP? */
|
|
bool dsp_proc_active(struct dsp_config *dsp, enum dsp_proc_ids id);
|
|
|
|
/* Force the specified stage to receive a format update before the next
|
|
* buffer is sent to process() */
|
|
void dsp_proc_want_format_update(struct dsp_config *dsp,
|
|
enum dsp_proc_ids id);
|
|
|
|
/* Set or unset in-place operation */
|
|
void dsp_proc_set_in_place(struct dsp_config *dsp, enum dsp_proc_ids id,
|
|
bool in_place);
|
|
|
|
#define DSP_PRINT_FORMAT(id, format) \
|
|
DEBUGF("DSP format- " #id "\n" \
|
|
" ver:%u ch:%u fb:%u os:%u hz:%u chz:%u\n", \
|
|
(unsigned int)(format).version, \
|
|
(unsigned int)(format).num_channels, \
|
|
(unsigned int)(format).frac_bits, \
|
|
(unsigned int)(format).output_scale, \
|
|
(unsigned int)(format).frequency, \
|
|
(unsigned int)(format).codec_frequency);
|
|
|
|
struct dsp_proc_db_entry
|
|
{
|
|
enum dsp_proc_ids id; /* id of this stage */
|
|
dsp_proc_config_fn_type configure; /* dsp_configure hook */
|
|
#ifdef DEBUG
|
|
const char *name;
|
|
#endif
|
|
};
|
|
|
|
#endif /* DSP_PROC_ENTRY_H */
|