radaudio_encoder.c File Reference

#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include "radaudio_encoder.h"
#include "radaudio_encoder_internal.h"
#include "radaudio_encoder_sse.h"
#include "radaudio_encoder_neon.h"
#include "radaudio_common.h"
#include "radaudio_mdct.h"
#include "rrCore.h"
#include "radaudio_common.inl"

Classes
struct	radaudio_bit_encoder
struct	huff3_encoder

Macros
#define	ENCODER_VERSION   0x00000000
#define	HUFFMAN_ENCODE
#define	PROF_BEGIN(var)
#define	PROF_END(var)
#define	TRANSIENT_THRESHOLD   180
#define	RADA_LERP(t, a, b)   ((a)+(t)*((b)-(a)))
#define	TA_MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MANTISSA_SCALE   1.00f
#define	SUBBAND_PULSES_SCALE   1.0

Functions
	RR_COMPILER_ASSERT (sizeof(radaudio_encoder_state)<=sizeof(radaudio_encoder))
	RR_COMPILER_ASSERT (sizeof(radaudio_stream_header)<=RADAUDIO_STREAM_HEADER_MAX)
	RR_COMPILER_ASSERT (MAX_COEFF_PER_SUBBAND==32)
RADDEFFUNC int	radaudio_determine_preferred_next_block_length (radaudio_encoder *rae, radaudio_blocktype firsttype, F32 *input, size_t input_len, size_t offset)
RADDEFFUNC radaudio_blocktype	radaudio_determine_preferred_first_block_length (radaudio_encoder *rae, F32 *input, size_t input_len)
RADDEFFUNC int	radaudio_encode_block (radaudio_encoder *rae, float *input, size_t input_len, size_t *poffset, U8 *encode_buffer, size_t encode_buffer_size)
int	radaudio_encode_block_ext (radaudio_encoder *rae, F32 *input, size_t input_len, size_t *poffset, U8 *encode_buffer, size_t encode_buffer_max, radaudio_encode_info *info)
int	transient_analysis (float *input, int N, int stride, float transient_threshold)
size_t	radaudio_encode_create_internal (radaudio_encoder *rae, U8 header[RADAUDIO_STREAM_HEADER_MAX], int num_channels, int sample_rate, int qmode, float quality_pulse, U32 flags)
size_t	radaudio_encode_create (radaudio_encoder *es, U8 header[RADAUDIO_STREAM_HEADER_MAX], int num_channels, int sample_rate, int quality, U32 flags)
int	RadAudioCompressGetProfileData (radaudio_encoder *hradaud, radaudio_eprofile_value *profile, int num_profile)

Macro Definition Documentation

ENCODER_VERSION

#define ENCODER_VERSION   0x00000000

HUFFMAN_ENCODE

#define HUFFMAN_ENCODE

MANTISSA_SCALE

#define MANTISSA_SCALE   1.00f

PROF_BEGIN

#define PROF_BEGIN

(

var

)

PROF_END

#define PROF_END

(

var

)

RADA_LERP

#define RADA_LERP	(		t,
			a,
			b
	)		((a)+(t)*((b)-(a)))

SUBBAND_PULSES_SCALE

#define SUBBAND_PULSES_SCALE   1.0

TA_MAX

#define TA_MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

TRANSIENT_THRESHOLD

#define TRANSIENT_THRESHOLD   180

Function Documentation

radaudio_determine_preferred_first_block_length()

RADDEFFUNC radaudio_blocktype radaudio_determine_preferred_first_block_length	(	radaudio_encoder *	rae,
		F32 *	input,
		size_t	input_len
	)

radaudio_determine_preferred_next_block_length()

RADDEFFUNC int radaudio_determine_preferred_next_block_length	(	radaudio_encoder *	rae,
		radaudio_blocktype	firsttype,
		F32 *	input,
		size_t	input_len,
		size_t	offset
	)

radaudio_encode_block()

RADDEFFUNC int radaudio_encode_block	(	radaudio_encoder *	rae,
		float *	input,
		size_t	input_len,
		size_t *	poffset,
		U8 *	encode_buffer,
		size_t	encode_buffer_size
	)

radaudio_encode_block_ext()

int radaudio_encode_block_ext	(	radaudio_encoder *	rae,
		F32 *	input,
		size_t	input_len,
		size_t *	poffset,
		U8 *	encode_buffer,
		size_t	encode_buffer_max,
		radaudio_encode_info *	info
	)

radaudio_encode_create()

size_t radaudio_encode_create	(	radaudio_encoder *	es,
		U8	header[RADAUDIO_STREAM_HEADER_MAX],
		int	num_channels,
		int	sample_rate,
		int	quality,
		U32	flags
	)

radaudio_encode_create_internal()

size_t radaudio_encode_create_internal	(	radaudio_encoder *	rae,
		U8	header[RADAUDIO_STREAM_HEADER_MAX],
		int	num_channels,
		int	sample_rate,
		int	qmode,
		float	quality_pulse,
		U32	flags
	)

RadAudioCompressGetProfileData()

int RadAudioCompressGetProfileData	(	radaudio_encoder *	hradaud,
		radaudio_eprofile_value *	profile,
		int	num_profile
	)

RR_COMPILER_ASSERT() [1/3]

RR_COMPILER_ASSERT

(

MAX_COEFF_PER_SUBBAND

= =32

)

RR_COMPILER_ASSERT() [2/3]

RR_COMPILER_ASSERT

(

sizeof(radaudio_encoder_state)<=sizeof(radaudio_encoder)

)

RR_COMPILER_ASSERT() [3/3]

RR_COMPILER_ASSERT

(

sizeof(radaudio_stream_header)<=

RADAUDIO_STREAM_HEADER_MAX

)

transient_analysis()

int transient_analysis	(	float *	input,
		int	N,
		int	stride,
		float	transient_threshold
	)