AACEncContext Struct Reference

AAC encoder context. More...

Public Member Functions
	DECLARE_ALIGNED_16 (FFTSample, output[2048])
	temporary buffer for MDCT input coefficients
Data Fields
PutBitContext	pb
MDCTContext	mdct1024
	long (1024 samples) frame transform context
MDCTContext	mdct128
	short (128 samples) frame transform context
DSPContext	dsp
int16_t *	samples
	saved preprocessed input
int	samplerate_index
	MPEG-4 samplerate index.
ChannelElement *	cpe
	channel elements
AACPsyContext	psy
	psychoacoustic model context
int	last_frame

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Detailed Description

AAC encoder context.

Definition at line 161 of file aacenc.c.

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Member Function Documentation

AACEncContext::DECLARE_ALIGNED_16	(	FFTSample	,
		output	[2048]
	)

temporary buffer for MDCT input coefficients

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Field Documentation

ChannelElement* AACEncContext::cpe

channel elements

Definition at line 171 of file aacenc.c.

Referenced by aac_encode_end(), and aac_encode_init().

DSPContext AACEncContext::dsp

Definition at line 165 of file aacenc.c.

Referenced by aac_encode_init().

int AACEncContext::last_frame

Definition at line 173 of file aacenc.c.

MDCTContext AACEncContext::mdct1024

long (1024 samples) frame transform context

Definition at line 163 of file aacenc.c.

Referenced by aac_encode_end(), and aac_encode_init().

MDCTContext AACEncContext::mdct128

short (128 samples) frame transform context

Definition at line 164 of file aacenc.c.

Referenced by aac_encode_end(), and aac_encode_init().

PutBitContext AACEncContext::pb

Definition at line 162 of file aacenc.c.

Referenced by encode_pulses(), put_bitstream_info(), and put_ics_info().

AACPsyContext AACEncContext::psy

psychoacoustic model context

Definition at line 172 of file aacenc.c.

Referenced by aac_encode_end(), and aac_encode_init().

int AACEncContext::samplerate_index

MPEG-4 samplerate index.

Definition at line 169 of file aacenc.c.

Referenced by aac_encode_init(), and put_audio_specific_config().

int16_t* AACEncContext::samples

saved preprocessed input

Definition at line 167 of file aacenc.c.

Referenced by aac_encode_end(), and aac_encode_init().

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

• libavcodec/aacenc.c