AACEncContext Struct Reference

AAC encoder context. More...

#include <aacenc.h>

Collaboration diagram for AACEncContext:

Public Member Functions
	DECLARE_ALIGNED (16, int, qcoefs)[96]
	quantized coefficients More...
	DECLARE_ALIGNED (32, float, scoefs)[1024]
	scaled coefficients More...

Data Fields
AVClass *	av_class
AACEncOptions	options
	encoding options More...
PutBitContext	pb
FFTContext	mdct1024
	long (1024 samples) frame transform context More...
FFTContext	mdct128
	short (128 samples) frame transform context More...
AVFloatDSPContext	fdsp
float *	planar_samples [6]
	saved preprocessed input More...
int	samplerate_index
	MPEG-4 samplerate index. More...
int	channels
	channel count More...
const uint8_t *	chan_map
	channel configuration map More...
ChannelElement *	cpe
	channel elements More...
FFPsyContext	psy
struct FFPsyPreprocessContext *	psypp
AACCoefficientsEncoder *	coder
int	cur_channel
int	last_frame
float	lambda
AudioFrameQueue	afq
struct {
float *   samples
}	buffer

Detailed Description

AAC encoder context.

Definition at line 57 of file aacenc.h.

Member Function Documentation

AACEncContext::DECLARE_ALIGNED	(	16	,
		int	,
		qcoefs
	)

quantized coefficients

AACEncContext::DECLARE_ALIGNED	(	32	,
		float	,
		scoefs
	)

scaled coefficients

Field Documentation

AudioFrameQueue AACEncContext::afq

Definition at line 77 of file aacenc.h.

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

AVClass* AACEncContext::av_class

Definition at line 58 of file aacenc.h.

struct { ... } AACEncContext::buffer

Referenced by aac_encode_end(), and alloc_buffers().

const uint8_t* AACEncContext::chan_map

channel configuration map

Definition at line 68 of file aacenc.h.

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

int AACEncContext::channels

channel count

Definition at line 67 of file aacenc.h.

Referenced by aac_encode_frame(), aac_encode_init(), alloc_buffers(), copy_input_samples(), and put_audio_specific_config().

AACCoefficientsEncoder* AACEncContext::coder

Definition at line 73 of file aacenc.h.

Referenced by aac_encode_frame(), aac_encode_init(), encode_band_info(), encode_spectral_coeffs(), and ff_aac_coder_init_mips().

ChannelElement* AACEncContext::cpe

channel elements

Definition at line 70 of file aacenc.h.

Referenced by aac_encode_end(), aac_encode_frame(), and alloc_buffers().

int AACEncContext::cur_channel

Definition at line 74 of file aacenc.h.

Referenced by aac_encode_frame(), encode_window_bands_info(), search_for_ms(), search_for_quantizers_anmr(), search_for_quantizers_fast(), and search_for_quantizers_twoloop().

AVFloatDSPContext AACEncContext::fdsp

Definition at line 63 of file aacenc.h.

Referenced by apply_window_and_mdct(), and dsp_init().

float AACEncContext::lambda

Definition at line 76 of file aacenc.h.

Referenced by aac_encode_frame(), aac_encode_init(), encode_band_info(), and encode_spectral_coeffs().

int AACEncContext::last_frame

Definition at line 75 of file aacenc.h.

Referenced by aac_encode_frame().

FFTContext AACEncContext::mdct1024

long (1024 samples) frame transform context

Definition at line 61 of file aacenc.h.

Referenced by aac_encode_end(), apply_window_and_mdct(), and dsp_init().

FFTContext AACEncContext::mdct128

short (128 samples) frame transform context

Definition at line 62 of file aacenc.h.

Referenced by aac_encode_end(), apply_window_and_mdct(), and dsp_init().

AACEncOptions AACEncContext::options

encoding options

Definition at line 59 of file aacenc.h.

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

PutBitContext AACEncContext::pb

Definition at line 60 of file aacenc.h.

Referenced by aac_encode_frame(), codebook_trellis_rate(), encode_individual_channel(), encode_pulses(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), put_bitstream_info(), and put_ics_info().

float* AACEncContext::planar_samples[6]

saved preprocessed input

Definition at line 64 of file aacenc.h.

Referenced by aac_encode_frame(), alloc_buffers(), and copy_input_samples().

FFPsyContext AACEncContext::psy

Definition at line 71 of file aacenc.h.

Referenced by aac_encode_end(), aac_encode_frame(), aac_encode_init(), encode_window_bands_info(), search_for_ms(), search_for_quantizers_anmr(), search_for_quantizers_fast(), and search_for_quantizers_twoloop().

struct FFPsyPreprocessContext* AACEncContext::psypp

Definition at line 72 of file aacenc.h.

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

int AACEncContext::samplerate_index

MPEG-4 samplerate index.

Definition at line 66 of file aacenc.h.

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

float* AACEncContext::samples

Definition at line 82 of file aacenc.h.

Referenced by aac_encode_end(), and alloc_buffers().

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

• aacenc.h