MpegAudioContext Struct Reference

Data Fields
int	nb_channels
int	lsf
int	bitrate_index
int	freq_index
int	frame_size
int	is_fixed
int	frame_frac
int	frame_frac_incr
int	do_padding
short	samples_buf [MPA_MAX_CHANNELS][SAMPLES_BUF_SIZE]
int	samples_offset [MPA_MAX_CHANNELS]
int	sb_samples [MPA_MAX_CHANNELS][3][12][SBLIMIT]
unsigned char	scale_factors [MPA_MAX_CHANNELS][SBLIMIT][3]
unsigned char	scale_code [MPA_MAX_CHANNELS][SBLIMIT]
int	sblimit
const unsigned char *	alloc_table
int16_t	filter_bank [512]
int	scale_factor_table [64]
unsigned char	scale_diff_table [128]
union {
float   scale_factor_inv_table [64]
struct {
int8_t   scale_factor_shift [64]
unsigned short   scale_factor_mult [64]
}
};
unsigned short	total_quant_bits [17]

Detailed Description

Definition at line 52 of file mpegaudioenc.c.

Field Documentation

nb_channels

int MpegAudioContext::nb_channels

Definition at line 53 of file mpegaudioenc.c.

lsf

int MpegAudioContext::lsf

Definition at line 54 of file mpegaudioenc.c.

bitrate_index

int MpegAudioContext::bitrate_index

Definition at line 55 of file mpegaudioenc.c.

freq_index

int MpegAudioContext::freq_index

Definition at line 56 of file mpegaudioenc.c.

frame_size

int MpegAudioContext::frame_size

Definition at line 57 of file mpegaudioenc.c.

is_fixed

int MpegAudioContext::is_fixed

Definition at line 58 of file mpegaudioenc.c.

frame_frac

int MpegAudioContext::frame_frac

Definition at line 60 of file mpegaudioenc.c.

frame_frac_incr

int MpegAudioContext::frame_frac_incr

Definition at line 60 of file mpegaudioenc.c.

do_padding

int MpegAudioContext::do_padding

Definition at line 60 of file mpegaudioenc.c.

samples_buf

short MpegAudioContext::samples_buf[MPA_MAX_CHANNELS][SAMPLES_BUF_SIZE]

Definition at line 61 of file mpegaudioenc.c.

samples_offset

int MpegAudioContext::samples_offset[MPA_MAX_CHANNELS]

Definition at line 62 of file mpegaudioenc.c.

sb_samples

int MpegAudioContext::sb_samples[MPA_MAX_CHANNELS][3][12][SBLIMIT]

Definition at line 63 of file mpegaudioenc.c.

scale_factors

unsigned char MpegAudioContext::scale_factors[MPA_MAX_CHANNELS][SBLIMIT][3]

Definition at line 64 of file mpegaudioenc.c.

scale_code

unsigned char MpegAudioContext::scale_code[MPA_MAX_CHANNELS][SBLIMIT]

Definition at line 66 of file mpegaudioenc.c.

sblimit

int MpegAudioContext::sblimit

Definition at line 67 of file mpegaudioenc.c.

alloc_table

const unsigned char* MpegAudioContext::alloc_table

Definition at line 68 of file mpegaudioenc.c.

filter_bank

int16_t MpegAudioContext::filter_bank[512]

Definition at line 69 of file mpegaudioenc.c.

scale_factor_table

int MpegAudioContext::scale_factor_table[64]

Definition at line 70 of file mpegaudioenc.c.

scale_diff_table

unsigned char MpegAudioContext::scale_diff_table[128]

Definition at line 71 of file mpegaudioenc.c.

scale_factor_inv_table

float MpegAudioContext::scale_factor_inv_table[64]

Definition at line 73 of file mpegaudioenc.c.

scale_factor_shift

int8_t MpegAudioContext::scale_factor_shift[64]

Definition at line 75 of file mpegaudioenc.c.

scale_factor_mult

unsigned short MpegAudioContext::scale_factor_mult[64]

Definition at line 76 of file mpegaudioenc.c.

@204

union { ... }

total_quant_bits

unsigned short MpegAudioContext::total_quant_bits[17]

Definition at line 79 of file mpegaudioenc.c.

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The documentation for this struct was generated from the following file:

• libavcodec/mpegaudioenc.c