Libav
Data Fields
AACContext Struct Reference

main AAC context More...

#include <aac.h>

Data Fields

AVCodecContextavctx
 
AVFrameframe
 
int is_saved
 Set if elements have stored overlap from previous frame. More...
 
DynamicRangeControl che_drc
 
float temp [128]
 
OutputConfiguration oc [2]
 
const AVClassclass
 
HANDLE_AACENCODER handle
 
int afterburner
 
int eld_sbr
 
int signaling
 
int latm
 
int header_period
 
int vbr
 
AudioFrameQueue afq
 
VO_AUDIO_CODECAPI codec_api
 
VO_HANDLE handle
 
VO_MEM_OPERATOR mem_operator
 
VO_CODEC_INIT_USERDATA user_data
 
VO_PBYTE end_buffer
 
int last_frame
 
int last_samples
 
Channel element related data
ChannelElementche [4][MAX_ELEM_ID]
 
ChannelElementtag_che_map [4][MAX_ELEM_ID]
 
int tags_mapped
 
temporary aligned temporary buffers

(We do not want to have these on the stack.)

float buf_mdct [1024]
 
Computed / set up during initialization
FFTContext mdct
 
FFTContext mdct_small
 
FFTContext mdct_ld
 
FFTContext mdct_ltp
 
IMDCT15Contextmdct480
 
AVFloatDSPContext fdsp
 
int random_state
 
Members used for output
SingleChannelElementoutput_element [MAX_CHANNELS]
 Points to each SingleChannelElement. More...
 

Detailed Description

main AAC context

Definition at line 262 of file aac.h.

Field Documentation

◆ avctx

AVCodecContext* AACContext::avctx

◆ frame

AVFrame* AACContext::frame

Definition at line 264 of file aac.h.

Referenced by aac_decode_er_frame(), aac_decode_frame_int(), and frame_configure_elements().

◆ is_saved

int AACContext::is_saved

Set if elements have stored overlap from previous frame.

Definition at line 266 of file aac.h.

◆ che_drc

DynamicRangeControl AACContext::che_drc

Definition at line 267 of file aac.h.

Referenced by decode_extension_payload().

◆ che

ChannelElement* AACContext::che[4][MAX_ELEM_ID]

◆ tag_che_map

ChannelElement* AACContext::tag_che_map[4][MAX_ELEM_ID]

Definition at line 274 of file aac.h.

Referenced by get_che(), and output_configure().

◆ tags_mapped

int AACContext::tags_mapped

Definition at line 275 of file aac.h.

Referenced by aac_decode_er_frame(), aac_decode_frame_int(), and get_che().

◆ buf_mdct

float AACContext::buf_mdct[1024]

◆ mdct

FFTContext AACContext::mdct

◆ mdct_small

FFTContext AACContext::mdct_small

Definition at line 291 of file aac.h.

Referenced by aac_decode_close(), aac_decode_init(), and imdct_and_windowing().

◆ mdct_ld

FFTContext AACContext::mdct_ld

◆ mdct_ltp

FFTContext AACContext::mdct_ltp

Definition at line 293 of file aac.h.

Referenced by aac_decode_close(), aac_decode_init(), and windowing_and_mdct_ltp().

◆ mdct480

IMDCT15Context* AACContext::mdct480

Definition at line 294 of file aac.h.

Referenced by aac_decode_close(), aac_decode_init(), and imdct_and_windowing_eld().

◆ fdsp

AVFloatDSPContext AACContext::fdsp

◆ random_state

int AACContext::random_state

Definition at line 296 of file aac.h.

Referenced by aac_decode_init(), and decode_spectrum_and_dequant().

◆ output_element

SingleChannelElement* AACContext::output_element[MAX_CHANNELS]

Points to each SingleChannelElement.

Definition at line 303 of file aac.h.

Referenced by che_configure(), and frame_configure_elements().

◆ temp

float AACContext::temp[128]

Definition at line 306 of file aac.h.

Referenced by imdct_and_windowing().

◆ oc

OutputConfiguration AACContext::oc[2]

◆ class

const AVClass* AACContext::class

Definition at line 30 of file libfdk-aacenc.c.

◆ handle [1/2]

HANDLE_AACENCODER AACContext::handle

Definition at line 31 of file libfdk-aacenc.c.

Referenced by aac_encode_close(), aac_encode_frame(), and aac_encode_init().

◆ afterburner

int AACContext::afterburner

Definition at line 32 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ eld_sbr

int AACContext::eld_sbr

Definition at line 33 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ signaling

int AACContext::signaling

Definition at line 34 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ latm

int AACContext::latm

Definition at line 35 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ header_period

int AACContext::header_period

Definition at line 36 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ vbr

int AACContext::vbr

Definition at line 37 of file libfdk-aacenc.c.

Referenced by aac_encode_init().

◆ afq

AudioFrameQueue AACContext::afq

Definition at line 39 of file libfdk-aacenc.c.

Referenced by aac_encode_close(), aac_encode_frame(), and aac_encode_init().

◆ codec_api

VO_AUDIO_CODECAPI AACContext::codec_api

Definition at line 34 of file libvo-aacenc.c.

Referenced by aac_encode_close(), aac_encode_frame(), and aac_encode_init().

◆ handle [2/2]

VO_HANDLE AACContext::handle

Definition at line 35 of file libvo-aacenc.c.

◆ mem_operator

VO_MEM_OPERATOR AACContext::mem_operator

Definition at line 36 of file libvo-aacenc.c.

Referenced by aac_encode_init().

◆ user_data

VO_CODEC_INIT_USERDATA AACContext::user_data

Definition at line 37 of file libvo-aacenc.c.

Referenced by aac_encode_init().

◆ end_buffer

VO_PBYTE AACContext::end_buffer

Definition at line 38 of file libvo-aacenc.c.

Referenced by aac_encode_close(), aac_encode_frame(), and aac_encode_init().

◆ last_frame

int AACContext::last_frame

Definition at line 40 of file libvo-aacenc.c.

Referenced by aac_encode_frame(), and aac_encode_init().

◆ last_samples

int AACContext::last_samples

Definition at line 41 of file libvo-aacenc.c.

Referenced by aac_encode_frame().


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