#include <dev/sound/pcm/sound.h>
#include <dev/sound/pcm/pcm.h>
#include "feeder_if.h"
#include "snd_fxdiv_gen.h"
#include "feeder_eq_gen.h"

Include dependency graph for feeder_eq.c:

Go to the source code of this file.

Data Structures
struct	feed_eq_tone

struct	feed_eq_info

Macros
#define	SND_USE_FXDIV

#define	FEEDEQ_LEVELS

#define	FEEDEQ_L2GAIN(v) ((int)min(((v) * FEEDEQ_LEVELS) / 100, FEEDEQ_LEVELS - 1))

#define	FEEDEQ_PREAMP_IPART(x) (abs(x) >> FEEDEQ_GAIN_SHIFT)

#define	FEEDEQ_PREAMP_FPART(x) (abs(x) & FEEDEQ_GAIN_FMASK)

#define	FEEDEQ_PREAMP_SIGNVAL(x) ((x) < 0 ? -1 : 1)

#define	FEEDEQ_PREAMP_SIGNMARK(x) (((x) < 0) ? '-' : '+')

#define	FEEDEQ_PREAMP_IMIN -192

#define	FEEDEQ_PREAMP_IMAX 192

#define	FEEDEQ_PREAMP_FMIN 0

#define	FEEDEQ_PREAMP_FMAX 9

#define	FEEDEQ_PREAMP_INVALID INT_MAX

#define	FEEDEQ_IF2PREAMP(i, f)

#define	FEEDEQ_PREAMP_MIN

#define	FEEDEQ_PREAMP_MAX

#define	FEEDEQ_PREAMP_DEFAULT FEEDEQ_IF2PREAMP(0, 0)

#define	FEEDEQ_PREAMP2IDX(v)

#define	FEEDEQ_ERR_CLIP_CHECK(...)

#define	FEEDEQ_CLAMP(v)

#define	FEEDEQ_DECLARE(SIGN, BIT, ENDIAN)

#define	FEEDEQ_ENTRY(SIGN, BIT, ENDIAN)

#define	FEEDEQ_BIQUAD_TAB_SIZE ((int32_t)(sizeof(feed_eq_biquad_tab) / sizeof(feed_eq_biquad_tab[0])))

Typedefs
typedef void(*	feed_eq_t) (struct feed_eq_info , uint8_t , uint32_t)

Functions
	SND_DECLARE_FILE ("$FreeBSD$")

	SYSCTL_STRING (_hw_snd, OID_AUTO, feeder_eq_presets, CTLFLAG_RD, &feeder_eq_presets, 0, "compile-time eq presets")

	SYSCTL_INT (_hw_snd, OID_AUTO, feeder_eq_exact_rate, CTLFLAG_RWTUN, &feeder_eq_exact_rate, 0, "force exact rate validation")

static struct feed_eq_coeff *	feed_eq_coeff_rate (uint32_t rate)

int	feeder_eq_validrate (uint32_t rate)

static void	feed_eq_reset (struct feed_eq_info *info)

static int	feed_eq_setup (struct feed_eq_info *info)

static int	feed_eq_init (struct pcm_feeder *f)

static int	feed_eq_set (struct pcm_feeder *f, int what, int value)

static int	feed_eq_free (struct pcm_feeder *f)

static int	feed_eq_feed (struct pcm_feeder f, struct pcm_channel c, uint8_t b, uint32_t count, void source)

	FEEDER_DECLARE (feeder_eq, NULL)

static int32_t	feed_eq_scan_preamp_arg (const char *s)

static int	sysctl_dev_pcm_eq (SYSCTL_HANDLER_ARGS)

static int	sysctl_dev_pcm_eq_preamp (SYSCTL_HANDLER_ARGS)

void	feeder_eq_initsys (device_t dev)

Variables
static int	feeder_eq_exact_rate = 0

static char	feeder_eq_presets [] = FEEDER_EQ_PRESETS

struct {
uint32_t format

feed_eq_t biquad

}	feed_eq_biquad_tab []

static struct pcm_feederdesc	feeder_eq_desc []

static kobj_method_t	feeder_eq_methods []

Macro Definition Documentation

◆ FEEDEQ_BIQUAD_TAB_SIZE

#define FEEDEQ_BIQUAD_TAB_SIZE ((int32_t)(sizeof(feed_eq_biquad_tab) / sizeof(feed_eq_biquad_tab[0])))

Definition at line 269 of file feeder_eq.c.

◆ FEEDEQ_CLAMP

#define FEEDEQ_CLAMP ( v )

Value:

                                (((v) > PCM_S32_MAX) ? PCM_S32_MAX :    \
                                (((v) < PCM_S32_MIN) ? PCM_S32_MIN :    \
                                  (v)))

Definition at line 140 of file feeder_eq.c.

◆ FEEDEQ_DECLARE

#define FEEDEQ_DECLARE	(	SIGN,
		BIT,
		ENDIAN
	)

Definition at line 144 of file feeder_eq.c.

◆ FEEDEQ_ENTRY

#define FEEDEQ_ENTRY	(	SIGN,
		BIT,
		ENDIAN
	)

Value:

        {                                                               \
                AFMT_##SIGN##BIT##_##ENDIAN,                            \
                feed_eq_biquad_##SIGN##BIT##ENDIAN                      \
        }

Definition at line 237 of file feeder_eq.c.

◆ FEEDEQ_ERR_CLIP_CHECK

#define FEEDEQ_ERR_CLIP_CHECK ( ... )

Definition at line 137 of file feeder_eq.c.

◆ FEEDEQ_IF2PREAMP

#define FEEDEQ_IF2PREAMP	(	i,
		f
	)

Value:

        ((abs(i) << FEEDEQ_GAIN_SHIFT) |                                \
        (((abs(f) / FEEDEQ_GAIN_STEP) * FEEDEQ_GAIN_STEP) &             \
        FEEDEQ_GAIN_FMASK))

Definition at line 73 of file feeder_eq.c.

◆ FEEDEQ_L2GAIN

#define FEEDEQ_L2GAIN ( v ) ((int)min(((v) * FEEDEQ_LEVELS) / 100, FEEDEQ_LEVELS - 1))

Definition at line 58 of file feeder_eq.c.

◆ FEEDEQ_LEVELS

#define FEEDEQ_LEVELS

Value:

(((FEEDEQ_GAIN_MAX - FEEDEQ_GAIN_MIN) * \

(FEEDEQ_GAIN_DIV / FEEDEQ_GAIN_STEP)) + 1)

Definition at line 54 of file feeder_eq.c.

◆ FEEDEQ_PREAMP2IDX

#define FEEDEQ_PREAMP2IDX ( v )

Value:

        ((int32_t)((FEEDEQ_GAIN_MAX * (FEEDEQ_GAIN_DIV /                \
        FEEDEQ_GAIN_STEP)) + (FEEDEQ_PREAMP_SIGNVAL(v) *                \
        FEEDEQ_PREAMP_IPART(v) * (FEEDEQ_GAIN_DIV /                     \
        FEEDEQ_GAIN_STEP)) + (FEEDEQ_PREAMP_SIGNVAL(v) *                \
        (FEEDEQ_PREAMP_FPART(v) / FEEDEQ_GAIN_STEP))))

Definition at line 88 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_DEFAULT

#define FEEDEQ_PREAMP_DEFAULT FEEDEQ_IF2PREAMP(0, 0)

Definition at line 86 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_FMAX

#define FEEDEQ_PREAMP_FMAX 9

Definition at line 69 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_FMIN

#define FEEDEQ_PREAMP_FMIN 0

Definition at line 68 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_FPART

#define FEEDEQ_PREAMP_FPART ( x ) (abs(x) & FEEDEQ_GAIN_FMASK)

Definition at line 62 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_IMAX

#define FEEDEQ_PREAMP_IMAX 192

Definition at line 67 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_IMIN

#define FEEDEQ_PREAMP_IMIN -192

Definition at line 66 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_INVALID

#define FEEDEQ_PREAMP_INVALID INT_MAX

Definition at line 71 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_IPART

#define FEEDEQ_PREAMP_IPART ( x ) (abs(x) >> FEEDEQ_GAIN_SHIFT)

Definition at line 61 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_MAX

#define FEEDEQ_PREAMP_MAX

Value:

(FEEDEQ_PREAMP_SIGNVAL(FEEDEQ_GAIN_MAX) * \

FEEDEQ_IF2PREAMP(FEEDEQ_GAIN_MAX, 0))

Definition at line 82 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_MIN

#define FEEDEQ_PREAMP_MIN

Value:

(FEEDEQ_PREAMP_SIGNVAL(FEEDEQ_GAIN_MIN) * \

FEEDEQ_IF2PREAMP(FEEDEQ_GAIN_MIN, 0))

Definition at line 78 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_SIGNMARK

#define FEEDEQ_PREAMP_SIGNMARK ( x ) (((x) < 0) ? '-' : '+')

Definition at line 64 of file feeder_eq.c.

◆ FEEDEQ_PREAMP_SIGNVAL

#define FEEDEQ_PREAMP_SIGNVAL ( x ) ((x) < 0 ? -1 : 1)

Definition at line 63 of file feeder_eq.c.

◆ SND_USE_FXDIV

#define SND_USE_FXDIV

Definition at line 46 of file feeder_eq.c.

Typedef Documentation

◆ feed_eq_t

typedef void(* feed_eq_t) (struct feed_eq_info *, uint8_t *, uint32_t)

Definition at line 108 of file feeder_eq.c.

Function Documentation

◆ feed_eq_coeff_rate()

static struct feed_eq_coeff * feed_eq_coeff_rate ( uint32_t rate )

static

Definition at line 273 of file feeder_eq.c.

References feeder_eq_exact_rate, rate, and spd.

Referenced by feed_eq_setup(), and feeder_eq_validrate().

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◆ feed_eq_feed()

static int feed_eq_feed	(	struct pcm_feeder *	f,
		struct pcm_channel *	c,
		uint8_t *	b,
		uint32_t	count,
		void *	source
	)

static

Definition at line 445 of file feeder_eq.c.

References feed_eq_info::align, b, feed_eq_info::biquad, c, count, pcm_feeder::data, FEEDEQ_BYPASS, pcm_feeder::source, source, and feed_eq_info::state.

◆ feed_eq_free()

static int feed_eq_free ( struct pcm_feeder * f )

static

Definition at line 431 of file feeder_eq.c.

References pcm_feeder::data, and free.

◆ feed_eq_init()

static int feed_eq_init ( struct pcm_feeder * f )

static

Definition at line 339 of file feeder_eq.c.

References AFMT_BPS, AFMT_CHANNEL, AFMT_ENCODING, feed_eq_info::align, feed_eq_info::bass, feed_eq_info::biquad, feed_eq_info::channels, pcm_feeder::data, pcm_feeder::desc, feed_eq_biquad_tab, feed_eq_setup(), FEEDEQ_BIQUAD_TAB_SIZE, FEEDEQ_L2GAIN, FEEDEQ_PREAMP2IDX, FEEDEQ_PREAMP_DEFAULT, FEEDEQ_UNKNOWN, feed_eq_tone::gain, pcm_feederdesc::in, pcm_feederdesc::out, feed_eq_info::preamp, feed_eq_info::rate, feed_eq_info::state, and feed_eq_info::treble.

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◆ feed_eq_reset()

static void feed_eq_reset ( struct feed_eq_info * info )

static

Definition at line 309 of file feeder_eq.c.

References feed_eq_info::bass, feed_eq_info::channels, feed_eq_tone::i1, feed_eq_tone::i2, feed_eq_tone::o1, feed_eq_tone::o2, and feed_eq_info::treble.

Referenced by feed_eq_set(), and feed_eq_setup().

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◆ feed_eq_scan_preamp_arg()

static int32_t feed_eq_scan_preamp_arg ( const char * s )

static

Definition at line 502 of file feeder_eq.c.

References buf, FEEDEQ_IF2PREAMP, FEEDEQ_PREAMP_FMAX, FEEDEQ_PREAMP_IMAX, FEEDEQ_PREAMP_INVALID, FEEDEQ_PREAMP_SIGNMARK, len, and r.

Referenced by feeder_eq_initsys(), and sysctl_dev_pcm_eq_preamp().

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◆ feed_eq_set()

static int feed_eq_set	(	struct pcm_feeder *	f,
		int	what,
		int	value
	)

static

Definition at line 379 of file feeder_eq.c.

References AFMT_BPS, feed_eq_info::align, feed_eq_info::bass, feed_eq_info::channels, pcm_feeder::data, pcm_feeder::desc, feed_eq_reset(), feed_eq_setup(), FEEDEQ_BASS, FEEDEQ_BYPASS, FEEDEQ_CHANNELS, FEEDEQ_DISABLE, FEEDEQ_ENABLE, FEEDEQ_L2GAIN, FEEDEQ_PREAMP, FEEDEQ_PREAMP2IDX, FEEDEQ_PREAMP_MAX, FEEDEQ_RATE, FEEDEQ_STATE, FEEDEQ_TREBLE, FEEDEQ_UNKNOWN, feeder_eq_validrate(), feed_eq_tone::gain, pcm_feederdesc::in, feed_eq_info::preamp, feed_eq_info::rate, SND_CHN_MAX, feed_eq_info::state, feed_eq_info::treble, value, and what.

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◆ feed_eq_setup()

static int feed_eq_setup ( struct feed_eq_info * info )

static

Definition at line 326 of file feeder_eq.c.

References feed_eq_info::coeff, feed_eq_coeff_rate(), feed_eq_reset(), and feed_eq_info::rate.

Referenced by feed_eq_init(), and feed_eq_set().

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◆ FEEDER_DECLARE()

FEEDER_DECLARE	(	feeder_eq	,
		NULL
	)

◆ feeder_eq_initsys()

void feeder_eq_initsys ( device_t dev )

Definition at line 664 of file feeder_eq.c.

References buf, dev, snddev_info::eqpreamp, feed_eq_scan_preamp_arg(), FEEDEQ_PREAMP_DEFAULT, FEEDEQ_PREAMP_INVALID, FEEDEQ_PREAMP_MAX, FEEDEQ_PREAMP_MIN, sysctl_dev_pcm_eq(), and sysctl_dev_pcm_eq_preamp().

Referenced by pcm_sysinit().

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◆ feeder_eq_validrate()

int feeder_eq_validrate ( uint32_t rate )

Definition at line 299 of file feeder_eq.c.

References feed_eq_coeff_rate(), and rate.

Referenced by feed_eq_set().

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◆ SND_DECLARE_FILE()

SND_DECLARE_FILE ( "$FreeBSD$" )

◆ sysctl_dev_pcm_eq()

static int sysctl_dev_pcm_eq ( SYSCTL_HANDLER_ARGS )

static

Definition at line 544 of file feeder_eq.c.

References snddev_info::busy, c, chn_findfeeder(), CHN_FOREACH, CHN_LOCK, CHN_UNLOCK, FEEDEQ_BYPASS, FEEDEQ_DISABLE, FEEDEQ_ENABLE, FEEDEQ_STATE, FEEDER_EQ, snddev_info::flags, snddev_info::pcm, PCM_ACQUIRE, PCM_LOCK, PCM_REGISTERED, PCM_RELEASE, PCM_RELEASE_QUICK, PCM_UNLOCK, PCM_WAIT, req, SD_F_EQ_BYPASSED, SD_F_EQ_ENABLED, and val.

Referenced by feeder_eq_initsys().

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◆ sysctl_dev_pcm_eq_preamp()

static int sysctl_dev_pcm_eq_preamp ( SYSCTL_HANDLER_ARGS )

static

Definition at line 604 of file feeder_eq.c.

References buf, snddev_info::busy, c, chn_findfeeder(), CHN_FOREACH, CHN_LOCK, CHN_UNLOCK, snddev_info::eqpreamp, feed_eq_scan_preamp_arg(), FEEDEQ_PREAMP, FEEDEQ_PREAMP_FPART, FEEDEQ_PREAMP_INVALID, FEEDEQ_PREAMP_IPART, FEEDEQ_PREAMP_MAX, FEEDEQ_PREAMP_MIN, FEEDEQ_PREAMP_SIGNMARK, FEEDER_EQ, snddev_info::pcm, PCM_ACQUIRE, PCM_LOCK, PCM_REGISTERED, PCM_RELEASE, PCM_RELEASE_QUICK, PCM_UNLOCK, PCM_WAIT, req, and val.

Referenced by feeder_eq_initsys().

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◆ SYSCTL_INT()

SYSCTL_INT	(	_hw_snd	,
		OID_AUTO	,
		feeder_eq_exact_rate	,
		CTLFLAG_RWTUN	,
		&	feeder_eq_exact_rate,
		0	,
		"force exact rate validation"
	)

◆ SYSCTL_STRING()

SYSCTL_STRING	(	_hw_snd	,
		OID_AUTO	,
		feeder_eq_presets	,
		CTLFLAG_RD	,
		&	feeder_eq_presets,
		0	,
		"compile-time eq presets"
	)

Variable Documentation

◆ biquad

feed_eq_t biquad

Definition at line 245 of file feeder_eq.c.

◆

const struct { ... } feed_eq_biquad_tab[]

Initial value:

= {
 
        FEEDEQ_ENTRY(S, 16, LE),
        FEEDEQ_ENTRY(S, 32, LE),
 
        FEEDEQ_ENTRY(S, 16, BE),
        FEEDEQ_ENTRY(S, 32, BE),
 
}

Referenced by feed_eq_init().

◆ feeder_eq_desc

struct pcm_feederdesc feeder_eq_desc[]

static

Initial value:

= {
        { FEEDER_EQ, 0, 0, 0, 0 },
        { 0, 0, 0, 0, 0 }
}

Definition at line 486 of file feeder_eq.c.

◆ feeder_eq_exact_rate

int feeder_eq_exact_rate = 0

static

Definition at line 95 of file feeder_eq.c.

Referenced by feed_eq_coeff_rate().

◆ feeder_eq_methods

kobj_method_t feeder_eq_methods[]

static

Initial value:

= {
        KOBJMETHOD(feeder_init,         feed_eq_init),
        KOBJMETHOD(feeder_free,         feed_eq_free),
        KOBJMETHOD(feeder_set,          feed_eq_set),
        KOBJMETHOD(feeder_feed,         feed_eq_feed),
        KOBJMETHOD_END
}

Definition at line 491 of file feeder_eq.c.

◆ feeder_eq_presets

char feeder_eq_presets[] = FEEDER_EQ_PRESETS

static

Definition at line 98 of file feeder_eq.c.

◆ format

uint32_t format

Definition at line 244 of file feeder_eq.c.

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ FEEDEQ_BIQUAD_TAB_SIZE

◆ FEEDEQ_CLAMP

◆ FEEDEQ_DECLARE

◆ FEEDEQ_ENTRY

◆ FEEDEQ_ERR_CLIP_CHECK

◆ FEEDEQ_IF2PREAMP

◆ FEEDEQ_L2GAIN

◆ FEEDEQ_LEVELS

◆ FEEDEQ_PREAMP2IDX

◆ FEEDEQ_PREAMP_DEFAULT

◆ FEEDEQ_PREAMP_FMAX

◆ FEEDEQ_PREAMP_FMIN

◆ FEEDEQ_PREAMP_FPART

◆ FEEDEQ_PREAMP_IMAX

◆ FEEDEQ_PREAMP_IMIN

◆ FEEDEQ_PREAMP_INVALID

◆ FEEDEQ_PREAMP_IPART

◆ FEEDEQ_PREAMP_MAX

◆ FEEDEQ_PREAMP_MIN

◆ FEEDEQ_PREAMP_SIGNMARK

◆ FEEDEQ_PREAMP_SIGNVAL

◆ SND_USE_FXDIV

Typedef Documentation

◆ feed_eq_t

Function Documentation

◆ feed_eq_coeff_rate()

◆ feed_eq_feed()

◆ feed_eq_free()

◆ feed_eq_init()

◆ feed_eq_reset()

◆ feed_eq_scan_preamp_arg()

◆ feed_eq_set()

◆ feed_eq_setup()

◆ FEEDER_DECLARE()

◆ feeder_eq_initsys()

◆ feeder_eq_validrate()

◆ SND_DECLARE_FILE()

◆ sysctl_dev_pcm_eq()

◆ sysctl_dev_pcm_eq_preamp()

◆ SYSCTL_INT()

◆ SYSCTL_STRING()

Variable Documentation

◆ biquad

◆

◆ feeder_eq_desc

◆ feeder_eq_exact_rate

◆ feeder_eq_methods

◆ feeder_eq_presets

◆ format