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Data Fields
APEContext Struct Reference

Decoder context. More...

Data Fields

AVClass * class
 class for AVOptions
AVCodecContext * avctx
BswapDSPContext bdsp
LLAudDSPContext adsp
int channels
int samples
 samples left to decode in current frame
int bps
int fileversion
 codec version, very important in decoding process
int compression_level
 compression levels
int fset
 which filter set to use (calculated from compression level)
int flags
 global decoder flags
uint32_t CRC
 signalled frame CRC
uint32_t CRC_state
 accumulated CRC
int frameflags
 frame flags
APEPredictor predictor
 predictor used for final reconstruction
APEPredictor64 predictor64
 64bit predictor used for final reconstruction
int32_t * decoded_buffer
int decoded_size
int32_t * decoded [MAX_CHANNELS]
 decoded data for each channel
int32_t * interim_buffer
int interim_size
int32_t * interim [MAX_CHANNELS]
 decoded data for each channel
int blocks_per_loop
 maximum number of samples to decode for each call
int16_t * filterbuf [APE_FILTER_LEVELS]
 filter memory
APERangecoder rc
 rangecoder used to decode actual values
APERice riceX
 rice code parameters for the second channel
APERice riceY
 rice code parameters for the first channel
APEFilter filters [APE_FILTER_LEVELS][2]
 filters used for reconstruction
GetBitContext gb
uint8_t * data
 current frame data
uint8_t * data_end
 frame data end
int data_size
 frame data allocated size
const uint8_t * ptr
 current position in frame data
int error
int interim_mode
void(* entropy_decode_mono )(struct APEContext *ctx, int blockstodecode)
void(* entropy_decode_stereo )(struct APEContext *ctx, int blockstodecode)
void(* predictor_decode_mono )(struct APEContext *ctx, int count)
void(* predictor_decode_stereo )(struct APEContext *ctx, int count)
uint32_t junklength
uint32_t firstframe
uint32_t totalsamples
int currentframe
APEFrame * frames
int16_t fileversion
int16_t padding1
uint32_t descriptorlength
uint32_t headerlength
uint32_t seektablelength
uint32_t wavheaderlength
uint32_t audiodatalength
uint32_t audiodatalength_high
uint32_t wavtaillength
uint8_t md5 [16]
uint16_t compressiontype
uint16_t formatflags
uint32_t blocksperframe
uint32_t finalframeblocks
uint32_t totalframes
uint16_t bps
uint16_t channels
uint32_t samplerate

Detailed Description

Decoder context.

Definition at line 153 of file apedec.c.

Field Documentation

◆ class

AVClass* APEContext::class

class for AVOptions

Definition at line 154 of file apedec.c.

◆ avctx

AVCodecContext* APEContext::avctx

Definition at line 155 of file apedec.c.

Referenced by ape_decode_close(), ape_decode_frame(), ape_decode_init(), and ape_flush().

◆ bdsp

BswapDSPContext APEContext::bdsp

Definition at line 156 of file apedec.c.

◆ adsp

LLAudDSPContext APEContext::adsp

Definition at line 157 of file apedec.c.

◆ channels [1/2]

int APEContext::channels

Definition at line 158 of file apedec.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ samples

int APEContext::samples

samples left to decode in current frame

Definition at line 159 of file apedec.c.

◆ bps [1/2]

int APEContext::bps

Definition at line 160 of file apedec.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ fileversion [1/2]

int APEContext::fileversion

codec version, very important in decoding process

Definition at line 162 of file apedec.c.

Referenced by ape_decode_value_3900(), ape_dumpinfo(), and ape_read_header().

◆ compression_level

int APEContext::compression_level

compression levels

Definition at line 163 of file apedec.c.

◆ fset

int APEContext::fset

which filter set to use (calculated from compression level)

Definition at line 164 of file apedec.c.

◆ flags

int APEContext::flags

global decoder flags

Definition at line 165 of file apedec.c.

◆ CRC

uint32_t APEContext::CRC

signalled frame CRC

Definition at line 167 of file apedec.c.

◆ CRC_state

uint32_t APEContext::CRC_state

accumulated CRC

Definition at line 168 of file apedec.c.

◆ frameflags

int APEContext::frameflags

frame flags

Definition at line 169 of file apedec.c.

◆ predictor

APEPredictor APEContext::predictor

predictor used for final reconstruction

Definition at line 170 of file apedec.c.

◆ predictor64

APEPredictor64 APEContext::predictor64

64bit predictor used for final reconstruction

Definition at line 171 of file apedec.c.

◆ decoded_buffer

int32_t* APEContext::decoded_buffer

Definition at line 173 of file apedec.c.

◆ decoded_size

int APEContext::decoded_size

Definition at line 174 of file apedec.c.

◆ decoded

int32_t* APEContext::decoded[MAX_CHANNELS]

decoded data for each channel

Definition at line 175 of file apedec.c.

Referenced by filter_3800(), filter_fast_3320(), predictor_update_3930(), and predictor_update_filter().

◆ interim_buffer

int32_t* APEContext::interim_buffer

Definition at line 176 of file apedec.c.

◆ interim_size

int APEContext::interim_size

Definition at line 177 of file apedec.c.

◆ interim

int32_t* APEContext::interim[MAX_CHANNELS]

decoded data for each channel

Definition at line 178 of file apedec.c.

◆ blocks_per_loop

int APEContext::blocks_per_loop

maximum number of samples to decode for each call

Definition at line 179 of file apedec.c.

◆ filterbuf

int16_t* APEContext::filterbuf[APE_FILTER_LEVELS]

filter memory

Definition at line 181 of file apedec.c.

◆ rc

APERangecoder APEContext::rc

rangecoder used to decode actual values

Definition at line 183 of file apedec.c.

◆ riceX

APERice APEContext::riceX

rice code parameters for the second channel

Definition at line 184 of file apedec.c.

◆ riceY

APERice APEContext::riceY

rice code parameters for the first channel

Definition at line 185 of file apedec.c.

◆ filters

APEFilter APEContext::filters[APE_FILTER_LEVELS][2]

filters used for reconstruction

Definition at line 186 of file apedec.c.

◆ gb

GetBitContext APEContext::gb

Definition at line 187 of file apedec.c.

Referenced by ape_decode_value_3860(), and get_rice_ook().

◆ data

uint8_t* APEContext::data

current frame data

Definition at line 189 of file apedec.c.

◆ data_end

uint8_t* APEContext::data_end

frame data end

Definition at line 190 of file apedec.c.

◆ data_size

int APEContext::data_size

frame data allocated size

Definition at line 191 of file apedec.c.

◆ ptr

const uint8_t* APEContext::ptr

current position in frame data

Definition at line 192 of file apedec.c.

◆ error

int APEContext::error

Definition at line 194 of file apedec.c.

◆ interim_mode

int APEContext::interim_mode

Definition at line 195 of file apedec.c.

Referenced by predictor_decode_stereo_3950(), and predictor_update_filter().

◆ entropy_decode_mono

void(* APEContext::entropy_decode_mono) (struct APEContext *ctx, int blockstodecode)

Definition at line 197 of file apedec.c.

◆ entropy_decode_stereo

void(* APEContext::entropy_decode_stereo) (struct APEContext *ctx, int blockstodecode)

Definition at line 198 of file apedec.c.

◆ predictor_decode_mono

void(* APEContext::predictor_decode_mono) (struct APEContext *ctx, int count)

Definition at line 199 of file apedec.c.

◆ predictor_decode_stereo

void(* APEContext::predictor_decode_stereo) (struct APEContext *ctx, int count)

Definition at line 200 of file apedec.c.

◆ junklength

uint32_t APEContext::junklength

Definition at line 55 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ firstframe

uint32_t APEContext::firstframe

Definition at line 56 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ totalsamples

uint32_t APEContext::totalsamples

Definition at line 57 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ currentframe

int APEContext::currentframe

Definition at line 58 of file ape.c.

Referenced by ape_read_header(), ape_read_packet(), and ape_read_seek().

◆ frames

APEFrame* APEContext::frames

Definition at line 59 of file ape.c.

Referenced by ape_dumpinfo(), ape_read_close(), ape_read_header(), and ape_read_packet().

◆ fileversion [2/2]

int16_t APEContext::fileversion

Definition at line 62 of file ape.c.

◆ padding1

int16_t APEContext::padding1

Definition at line 63 of file ape.c.

Referenced by ape_read_header().

◆ descriptorlength

uint32_t APEContext::descriptorlength

Definition at line 64 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ headerlength

uint32_t APEContext::headerlength

Definition at line 65 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ seektablelength

uint32_t APEContext::seektablelength

Definition at line 66 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ wavheaderlength

uint32_t APEContext::wavheaderlength

Definition at line 67 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ audiodatalength

uint32_t APEContext::audiodatalength

Definition at line 68 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ audiodatalength_high

uint32_t APEContext::audiodatalength_high

Definition at line 69 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ wavtaillength

uint32_t APEContext::wavtaillength

Definition at line 70 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ md5

uint8_t APEContext::md5[16]

Definition at line 71 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ compressiontype

uint16_t APEContext::compressiontype

Definition at line 74 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ formatflags

uint16_t APEContext::formatflags

Definition at line 75 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

◆ blocksperframe

uint32_t APEContext::blocksperframe

Definition at line 76 of file ape.c.

Referenced by ape_dumpinfo(), ape_read_header(), and ape_read_packet().

◆ finalframeblocks

uint32_t APEContext::finalframeblocks

Definition at line 77 of file ape.c.

Referenced by ape_dumpinfo(), ape_read_header(), and ape_read_packet().

◆ totalframes

uint32_t APEContext::totalframes

Definition at line 78 of file ape.c.

Referenced by ape_dumpinfo(), ape_read_header(), and ape_read_packet().

◆ bps [2/2]

uint16_t APEContext::bps

Definition at line 79 of file ape.c.

◆ channels [2/2]

uint16_t APEContext::channels

Definition at line 80 of file ape.c.

◆ samplerate

uint32_t APEContext::samplerate

Definition at line 81 of file ape.c.

Referenced by ape_dumpinfo(), and ape_read_header().

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