SingleChannelElement Struct Reference

Single Channel Element - used for both SCE and LFE elements. More...

#include <aac.h>

Public Member Functions
	DECLARE_ALIGNED_16 (float, coeffs[1024])
	coefficients for IMDCT
	DECLARE_ALIGNED_16 (float, saved[512])
	overlap
	DECLARE_ALIGNED_16 (float, ret[1024])
	PCM output.
Data Fields
IndividualChannelStream	ics
TemporalNoiseShaping	tns
enum BandType	band_type [120]
	band types
int	band_type_run_end [120]
	band type run end points
float	sf [120]
	scalefactors
PredictorState	predictor_state [MAX_PREDICTORS]

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Detailed Description

Single Channel Element - used for both SCE and LFE elements.

Definition at line 220 of file aac.h.

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Member Function Documentation

SingleChannelElement::DECLARE_ALIGNED_16	(	float	,
		ret	[1024]
	)

PCM output.

SingleChannelElement::DECLARE_ALIGNED_16	(	float	,
		saved	[512]
	)

overlap

SingleChannelElement::DECLARE_ALIGNED_16	(	float	,
		coeffs	[1024]
	)

coefficients for IMDCT

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Field Documentation

enum BandType SingleChannelElement::band_type[120]

band types

Definition at line 223 of file aac.h.

Referenced by apply_dependent_coupling(), apply_intensity_stereo(), apply_mid_side_stereo(), decode_cce(), decode_ics(), and encode_spectral_coeffs().

int SingleChannelElement::band_type_run_end[120]

band type run end points

Definition at line 224 of file aac.h.

Referenced by apply_intensity_stereo(), and decode_ics().

IndividualChannelStream SingleChannelElement::ics

Definition at line 221 of file aac.h.

Referenced by apply_dependent_coupling(), apply_intensity_stereo(), apply_mid_side_stereo(), apply_prediction(), decode_cce(), decode_cpe(), decode_ics(), decode_mid_side_stereo(), encode_spectral_coeffs(), imdct_and_windowing(), and spectral_to_sample().

PredictorState SingleChannelElement::predictor_state[MAX_PREDICTORS]

Definition at line 229 of file aac.h.

Referenced by apply_prediction().

float SingleChannelElement::sf[120]

scalefactors

Definition at line 225 of file aac.h.

Referenced by apply_intensity_stereo(), and decode_ics().

TemporalNoiseShaping SingleChannelElement::tns

Definition at line 222 of file aac.h.

Referenced by decode_ics(), and spectral_to_sample().

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

• libavcodec/aac.h