WMADecodeContext Struct Reference

Collaboration diagram for WMADecodeContext:

[legend]

Public Member Functions
float exponents[MAX_CHANNELS][BLOCK_MAX_SIZE]	__attribute__ ((aligned(16)))
float coefs[MAX_CHANNELS][BLOCK_MAX_SIZE]	__attribute__ ((aligned(16)))
FFTSample mdct_tmp[BLOCK_MAX_SIZE]	__attribute__ ((aligned(16)))
float frame_out[MAX_CHANNELS][BLOCK_MAX_SIZE *2]	__attribute__ ((aligned(16)))
Data Fields
GetBitContext	gb
int	sample_rate
int	nb_channels
int	bit_rate
int	version
int	block_align
int	use_bit_reservoir
int	use_variable_block_len
int	use_exp_vlc
int	use_noise_coding
int	byte_offset_bits
VLC	exp_vlc
int	exponent_sizes [BLOCK_NB_SIZES]
uint16_t	exponent_bands [BLOCK_NB_SIZES][25]
int	high_band_start [BLOCK_NB_SIZES]
int	coefs_start
int	coefs_end [BLOCK_NB_SIZES]
int	exponent_high_sizes [BLOCK_NB_SIZES]
int	exponent_high_bands [BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE]
VLC	hgain_vlc
int	high_band_coded [MAX_CHANNELS][HIGH_BAND_MAX_SIZE]
int	high_band_values [MAX_CHANNELS][HIGH_BAND_MAX_SIZE]
VLC	coef_vlc [2]
uint16_t *	run_table [2]
uint16_t *	level_table [2]
int	frame_len
int	frame_len_bits
int	nb_block_sizes
int	reset_block_lengths
int	block_len_bits
int	next_block_len_bits
int	prev_block_len_bits
int	block_len
int	block_num
int	block_pos
uint8_t	ms_stereo
uint8_t	channel_coded [MAX_CHANNELS]
float	max_exponent [MAX_CHANNELS]
int16_t	coefs1 [MAX_CHANNELS][BLOCK_MAX_SIZE]
MDCTContext	mdct_ctx [BLOCK_NB_SIZES]
float *	windows [BLOCK_NB_SIZES]
uint8_t	last_superframe [MAX_CODED_SUPERFRAME_SIZE+4]
int	last_bitoffset
int	last_superframe_len
float	noise_table [NOISE_TAB_SIZE]
int	noise_index
float	noise_mult
float	lsp_cos_table [BLOCK_MAX_SIZE]
float	lsp_pow_e_table [256]
float	lsp_pow_m_table1 [(1<< LSP_POW_BITS)]
float	lsp_pow_m_table2 [(1<< LSP_POW_BITS)]

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Detailed Description

Definition at line 59 of file wmadec.c.

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Member Function Documentation

float exponents [MAX_CHANNELS][BLOCK_MAX_SIZE] WMADecodeContext::__attribute__

(

(aligned(16))

)

float coefs [MAX_CHANNELS][BLOCK_MAX_SIZE] WMADecodeContext::__attribute__

(

(aligned(16))

)

FFTSample mdct_tmp [BLOCK_MAX_SIZE] WMADecodeContext::__attribute__

(

(aligned(16))

)

float frame_out [MAX_CHANNELS][BLOCK_MAX_SIZE * 2] WMADecodeContext::__attribute__

(

(aligned(16))

)

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Field Documentation

GetBitContext WMADecodeContext::gb

Definition at line 60 of file wmadec.c.

Referenced by decode_exp_lsp(), decode_exp_vlc(), wma_decode_block(), and wma_decode_superframe().

int WMADecodeContext::sample_rate

Definition at line 61 of file wmadec.c.

Referenced by wma_decode_init().

int WMADecodeContext::nb_channels

Definition at line 62 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_frame(), wma_decode_init(), and wma_decode_superframe().

int WMADecodeContext::bit_rate

Definition at line 63 of file wmadec.c.

Referenced by wma_decode_init().

int WMADecodeContext::version

Definition at line 64 of file wmadec.c.

Referenced by decode_exp_vlc(), wma_decode_block(), and wma_decode_init().

int WMADecodeContext::block_align

Definition at line 65 of file wmadec.c.

Referenced by wma_decode_init(), and wma_decode_superframe().

int WMADecodeContext::use_bit_reservoir

Definition at line 66 of file wmadec.c.

Referenced by wma_decode_init(), and wma_decode_superframe().

int WMADecodeContext::use_variable_block_len

Definition at line 67 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::use_exp_vlc

Definition at line 68 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

int WMADecodeContext::use_noise_coding

Definition at line 69 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

int WMADecodeContext::byte_offset_bits

Definition at line 70 of file wmadec.c.

Referenced by wma_decode_init(), and wma_decode_superframe().

VLC WMADecodeContext::exp_vlc

Definition at line 71 of file wmadec.c.

Referenced by decode_exp_vlc(), and wma_decode_end().

int WMADecodeContext::exponent_sizes[BLOCK_NB_SIZES]

Definition at line 72 of file wmadec.c.

Referenced by wma_decode_init().

uint16_t WMADecodeContext::exponent_bands[BLOCK_NB_SIZES][25]

Definition at line 73 of file wmadec.c.

Referenced by decode_exp_vlc(), and wma_decode_init().

int WMADecodeContext::high_band_start[BLOCK_NB_SIZES]

Definition at line 74 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::coefs_start

Definition at line 75 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::coefs_end[BLOCK_NB_SIZES]

Definition at line 76 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::exponent_high_sizes[BLOCK_NB_SIZES]

Definition at line 77 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::exponent_high_bands[BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE]

Definition at line 78 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

VLC WMADecodeContext::hgain_vlc

Definition at line 79 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

int WMADecodeContext::high_band_coded[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]

Definition at line 82 of file wmadec.c.

Referenced by wma_decode_block().

int WMADecodeContext::high_band_values[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]

Definition at line 83 of file wmadec.c.

Referenced by wma_decode_block().

VLC WMADecodeContext::coef_vlc[2]

Definition at line 86 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_end().

uint16_t* WMADecodeContext::run_table[2]

Definition at line 87 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_end().

uint16_t* WMADecodeContext::level_table[2]

Definition at line 88 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_end().

int WMADecodeContext::frame_len

Definition at line 90 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_frame(), wma_decode_init(), and wma_decode_superframe().

int WMADecodeContext::frame_len_bits

Definition at line 91 of file wmadec.c.

Referenced by decode_exp_vlc(), wma_decode_block(), and wma_decode_init().

int WMADecodeContext::nb_block_sizes

Definition at line 92 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

int WMADecodeContext::reset_block_lengths

Definition at line 94 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_init(), and wma_decode_superframe().

int WMADecodeContext::block_len_bits

Definition at line 95 of file wmadec.c.

Referenced by decode_exp_vlc(), and wma_decode_block().

int WMADecodeContext::next_block_len_bits

Definition at line 96 of file wmadec.c.

Referenced by wma_decode_block().

int WMADecodeContext::prev_block_len_bits

Definition at line 97 of file wmadec.c.

Referenced by wma_decode_block().

int WMADecodeContext::block_len

Definition at line 98 of file wmadec.c.

Referenced by decode_exp_lsp(), decode_exp_vlc(), and wma_decode_block().

int WMADecodeContext::block_num

Definition at line 99 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_frame().

int WMADecodeContext::block_pos

Definition at line 100 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_frame().

uint8_t WMADecodeContext::ms_stereo

Definition at line 101 of file wmadec.c.

Referenced by wma_decode_block().

uint8_t WMADecodeContext::channel_coded[MAX_CHANNELS]

Definition at line 102 of file wmadec.c.

Referenced by wma_decode_block().

float WMADecodeContext::max_exponent[MAX_CHANNELS]

Definition at line 104 of file wmadec.c.

Referenced by decode_exp_lsp(), decode_exp_vlc(), and wma_decode_block().

int16_t WMADecodeContext::coefs1[MAX_CHANNELS][BLOCK_MAX_SIZE]

Definition at line 105 of file wmadec.c.

Referenced by wma_decode_block().

MDCTContext WMADecodeContext::mdct_ctx[BLOCK_NB_SIZES]

Definition at line 107 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

float* WMADecodeContext::windows[BLOCK_NB_SIZES]

Definition at line 108 of file wmadec.c.

Referenced by wma_decode_block(), wma_decode_end(), and wma_decode_init().

uint8_t WMADecodeContext::last_superframe[MAX_CODED_SUPERFRAME_SIZE+4]

Definition at line 113 of file wmadec.c.

Referenced by wma_decode_superframe().

int WMADecodeContext::last_bitoffset

Definition at line 114 of file wmadec.c.

Referenced by wma_decode_superframe().

int WMADecodeContext::last_superframe_len

Definition at line 115 of file wmadec.c.

Referenced by wma_decode_superframe().

float WMADecodeContext::noise_table[NOISE_TAB_SIZE]

Definition at line 116 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

int WMADecodeContext::noise_index

Definition at line 117 of file wmadec.c.

Referenced by wma_decode_block().

float WMADecodeContext::noise_mult

Definition at line 118 of file wmadec.c.

Referenced by wma_decode_block(), and wma_decode_init().

float WMADecodeContext::lsp_cos_table[BLOCK_MAX_SIZE]

Definition at line 120 of file wmadec.c.

Referenced by wma_lsp_to_curve(), and wma_lsp_to_curve_init().

float WMADecodeContext::lsp_pow_e_table[256]

Definition at line 121 of file wmadec.c.

Referenced by pow_m1_4(), and wma_lsp_to_curve_init().

float WMADecodeContext::lsp_pow_m_table1[(1<< LSP_POW_BITS)]

Definition at line 122 of file wmadec.c.

Referenced by pow_m1_4(), and wma_lsp_to_curve_init().

float WMADecodeContext::lsp_pow_m_table2[(1<< LSP_POW_BITS)]

Definition at line 123 of file wmadec.c.

Referenced by pow_m1_4(), and wma_lsp_to_curve_init().

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

• hvirtual/quicktime/ffmpeg/libavcodec/wmadec.c