AACContext Struct Reference

main AAC context More...

#include <aac.h>

Data Fields

AVCodecContextavctx
AVFrame frame
MPEG4AudioConfig m4ac
int is_saved
 Set if elements have stored overlap from previous frame.
DynamicRangeControl che_drc
float temp [128]
enum OCStatus output_configured
VO_AUDIO_CODECAPI codec_api
VO_HANDLE handle
VO_MEM_OPERATOR mem_operator
VO_CODEC_INIT_USERDATA user_data
Channel element related data
enum ChannelPosition che_pos [4][MAX_ELEM_ID]
 channel element channel mapping with the first index as the first 4 raw data block types
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_ltp
DSPContext dsp
FmtConvertContext fmt_conv
int random_state
Members used for output interleaving
float * output_data [MAX_CHANNELS]
 Points to each element's 'ret' buffer (PCM output).

Detailed Description

main AAC context

Definition at line 253 of file aac.h.


Field Documentation

float AACContext::buf_mdct[1024]

Definition at line 279 of file aac.h.

Referenced by apply_ltp(), imdct_and_windowing(), and update_ltp().

Definition at line 260 of file aac.h.

Referenced by decode_extension_payload().

channel element channel mapping with the first index as the first 4 raw data block types

Definition at line 266 of file aac.h.

Referenced by aac_decode_frame_int(), aac_decode_init(), decode_extension_payload(), decode_ga_specific_config(), and parse_adts_frame_header().

VO_AUDIO_CODECAPI AACContext::codec_api

Definition at line 29 of file libvo-aacenc.c.

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

Definition at line 255 of file aac.h.

Referenced by aac_decode_frame_int(), and aac_decode_init().

VO_HANDLE AACContext::handle

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

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

Set if elements have stored overlap from previous frame.

Definition at line 259 of file aac.h.

VO_MEM_OPERATOR AACContext::mem_operator

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

Referenced by aac_encode_init().

Points to each element's 'ret' buffer (PCM output).

Definition at line 298 of file aac.h.

Referenced by aac_decode_frame_int(), and che_configure().

Definition at line 291 of file aac.h.

Referenced by aac_decode_init(), and decode_spectrum_and_dequant().

Definition at line 270 of file aac.h.

Referenced by get_che(), and output_configure().

Definition at line 271 of file aac.h.

Referenced by aac_decode_frame_int(), and get_che().

float AACContext::temp[128]

Definition at line 301 of file aac.h.

Referenced by imdct_and_windowing().

VO_CODEC_INIT_USERDATA AACContext::user_data

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

Referenced by aac_encode_init().


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