AACContext Struct Reference

main AAC context More...

#include <aac.h>


Data Fields

AVCodecContextavctx
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 252 of file aac.h.


Field Documentation

float AACContext::buf_mdct[1024]

Definition at line 277 of file aac.h.

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

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

Definition at line 258 of file aac.h.

Referenced by decode_extension_payload().

enum ChannelPosition AACContext::che_pos[4][MAX_ELEM_ID]

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

Definition at line 264 of file aac.h.

Referenced by aac_decode_frame_int(), 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 288 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 257 of file aac.h.

Definition at line 284 of file aac.h.

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

Definition at line 286 of file aac.h.

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

Definition at line 285 of file aac.h.

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

VO_MEM_OPERATOR AACContext::mem_operator

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

Referenced by aac_encode_init().

float* AACContext::output_data[MAX_CHANNELS]

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

Definition at line 296 of file aac.h.

Referenced by aac_decode_frame_int(), and che_configure().

Definition at line 289 of file aac.h.

Referenced by aac_decode_init(), and decode_spectrum_and_dequant().

Definition at line 268 of file aac.h.

Referenced by get_che(), and output_configure().

Definition at line 269 of file aac.h.

Referenced by aac_decode_frame_int(), and get_che().

float AACContext::temp[128]

Definition at line 299 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:

Generated on Fri Oct 26 02:39:50 2012 for FFmpeg by  doxygen 1.5.8