Blip_Buffer.h File Reference

#include <limits.h>
#include <assert.h>

Go to the source code of this file.

Classes
class	Blip_Buffer
class	Blip_Synth_Fast_
class	Blip_Synth_
class	Blip_Synth< quality, range >
class	blip_eq_t
class	Silent_Blip_Buffer
class	Blip_Reader

Macros
#define	BLIP_BUFFER_ACCURACY   16
#define	BLIP_PHASE_BITS   6
#define	BLIP_RESTRICT
#define	BLIP_READER_BEGIN(name, blip_buffer)
#define	BLIP_READER_BASS(blip_buffer)
#define	BLIP_READER_READ(name)
#define	BLIP_READER_READ_RAW(name)
#define	BLIP_READER_NEXT(name, bass)
#define	BLIP_READER_END(name, blip_buffer)
#define	BLIP_FWD(i)
#define	BLIP_REV(r)

Typedefs
typedef int	blip_long
typedef unsigned	blip_ulong
typedef blip_long	blip_time_t
typedef short	blip_sample_t
typedef blip_ulong	blip_resampled_time_t

Enumerations
enum	{ blip_sample_max = 32767 }

Variables
int const	blip_widest_impulse_ = 16
int const	blip_buffer_extra_ = blip_widest_impulse_ + 2
int const	blip_res = 1 << BLIP_PHASE_BITS
const int	blip_med_quality = 8
const int	blip_good_quality = 12
const int	blip_high_quality = 16
int const	blip_sample_bits = 30
int const	blip_reader_default_bass = 9
const long	blip_unscaled = 65535
const int	blip_low_quality = blip_med_quality
const int	blip_best_quality = blip_high_quality
int const	blip_max_length = 0
int const	blip_default_length = 250

Macro Definition Documentation

BLIP_BUFFER_ACCURACY

#define BLIP_BUFFER_ACCURACY   16

BLIP_FWD

#define BLIP_FWD

(

i

)

Value:

        {\
        blip_long t0 =                       i0 * delta + buf [fwd     + i];\
        blip_long t1 = imp [blip_res * (i + 1)] * delta + buf [fwd + 1 + i];\
        i0 =           imp [blip_res * (i + 2)];\
        buf [fwd     + i] = t0;\
        buf [fwd + 1 + i] = t1;\
}

BLIP_PHASE_BITS

#define BLIP_PHASE_BITS   6

BLIP_READER_BASS

#define BLIP_READER_BASS

(

blip_buffer

)

Value:

((blip_buffer).bass_shift_)

BLIP_READER_BEGIN

#define BLIP_READER_BEGIN	(		name,
			blip_buffer )

Value:

const Blip_Buffer::buf_t_* BLIP_RESTRICT name##_reader_buf = (blip_buffer).buffer_;\
blip_long name##_reader_accum = (blip_buffer).reader_accum_

BLIP_READER_END

#define BLIP_READER_END	(		name,
			blip_buffer )

Value:

(void) ((blip_buffer).reader_accum_ = name##_reader_accum)

BLIP_READER_NEXT

#define BLIP_READER_NEXT	(		name,
			bass )

Value:

(void) (name##_reader_accum += *name##_reader_buf++ - (name##_reader_accum >> (bass)))

BLIP_READER_READ

#define BLIP_READER_READ

(

name

)

Value:

(name##_reader_accum >> (blip_sample_bits - 16))

BLIP_READER_READ_RAW

#define BLIP_READER_READ_RAW

(

name

)

Value:

(name##_reader_accum)

BLIP_RESTRICT

#define BLIP_RESTRICT

BLIP_REV

#define BLIP_REV

(

r

)

Value:

        {\
        blip_long t0 =                 i0 * delta + buf [rev     - r];\
        blip_long t1 = imp [blip_res * r] * delta + buf [rev + 1 - r];\
        i0 =           imp [blip_res * (r - 1)];\
        buf [rev     - r] = t0;\
        buf [rev + 1 - r] = t1;\
}

Typedef Documentation

blip_long

typedef int blip_long

blip_resampled_time_t

typedef blip_ulong blip_resampled_time_t

blip_sample_t

typedef short blip_sample_t

blip_time_t

typedef blip_long blip_time_t

blip_ulong

typedef unsigned blip_ulong

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
blip_sample_max

Variable Documentation

blip_best_quality

const int blip_best_quality = blip_high_quality

blip_buffer_extra_

int const blip_buffer_extra_ = blip_widest_impulse_ + 2

blip_default_length

int const blip_default_length = 250

blip_good_quality

const int blip_good_quality = 12

blip_high_quality

const int blip_high_quality = 16

blip_low_quality

const int blip_low_quality = blip_med_quality

blip_max_length

int const blip_max_length = 0

blip_med_quality

const int blip_med_quality = 8

blip_reader_default_bass

int const blip_reader_default_bass = 9

blip_res

int const blip_res = 1 << BLIP_PHASE_BITS

blip_sample_bits

int const blip_sample_bits = 30

blip_unscaled

const long blip_unscaled = 65535

blip_widest_impulse_

int const blip_widest_impulse_ = 16