FFmpeg
Data Fields
ChannelElement Struct Reference

channel element - generic struct for SCE/CPE/CCE/LFE More...

#include <aacdec.h>

Data Fields

int present
 
uint8_t ms_mask [128]
 Set if mid/side stereo is used for each scalefactor window band. More...
 
SingleChannelElement ch [2]
 
ChannelCoupling coup
 
SpectralBandReplication sbr
 
int common_window
 Set if channels share a common 'IndividualChannelStream' in bitstream. More...
 
int ms_mode
 Signals mid/side stereo flags coding mode. More...
 
uint8_t is_mode
 Set if any bands have been encoded using intensity stereo. More...
 
uint8_t is_mask [128]
 Set if intensity stereo is used. More...
 

Detailed Description

channel element - generic struct for SCE/CPE/CCE/LFE

Definition at line 148 of file aacdec.h.

Field Documentation

◆ present

int ChannelElement::present

Definition at line 149 of file aacdec.h.

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

◆ ms_mask

uint8_t ChannelElement::ms_mask

Set if mid/side stereo is used for each scalefactor window band.

Definition at line 151 of file aacdec.h.

Referenced by aac_encode_frame(), adjust_frame_information(), apply_intensity_stereo(), apply_mid_side_stereo(), decode_mid_side_stereo(), encode_ms_info(), ff_aac_search_for_is(), and search_for_ms().

◆ ch

SingleChannelElement ChannelElement::ch

◆ coup

ChannelCoupling ChannelElement::coup

◆ sbr

SpectralBandReplication ChannelElement::sbr

◆ common_window

int ChannelElement::common_window

◆ ms_mode

int ChannelElement::ms_mode

Signals mid/side stereo flags coding mode.

Definition at line 138 of file aacenc.h.

Referenced by aac_encode_frame(), adjust_frame_information(), and encode_ms_info().

◆ is_mode

uint8_t ChannelElement::is_mode

Set if any bands have been encoded using intensity stereo.

Definition at line 139 of file aacenc.h.

Referenced by aac_encode_frame(), and ff_aac_search_for_is().

◆ is_mask

uint8_t ChannelElement::is_mask[128]

Set if intensity stereo is used.

Definition at line 141 of file aacenc.h.

Referenced by aac_encode_frame(), apply_intensity_stereo(), apply_mid_side_stereo(), ff_aac_search_for_is(), and search_for_ms().


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