ATRAC3PContext Struct Reference

Data Fields
GetBitContext	gb
AVFloatDSPContext	fdsp
float	samples [2][ATRAC3P_FRAME_SAMPLES]
	quantized MDCT spectrum
float	mdct_buf [2][ATRAC3P_FRAME_SAMPLES]
	output of the IMDCT
float	time_buf [2][ATRAC3P_FRAME_SAMPLES]
	output of the gain compensation
float	outp_buf [2][ATRAC3P_FRAME_SAMPLES]
AtracGCContext	gainc_ctx
	gain compensation context
FFTContext	mdct_ctx
FFTContext	ipqf_dct_ctx
	IDCT context used by IPQF.
Atrac3pChanUnitCtx *	ch_units
	global channel units
int	num_channel_blocks
	number of channel blocks
uint8_t	channel_blocks [5]
	channel configuration descriptor
uint64_t	my_channel_layout
	current channel layout

Detailed Description

Definition at line 48 of file atrac3plusdec.c.

Field Documentation

GetBitContext ATRAC3PContext::gb

Definition at line 49 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame().

AVFloatDSPContext ATRAC3PContext::fdsp

Definition at line 50 of file atrac3plusdec.c.

Referenced by atrac3p_decode_init(), and reconstruct_frame().

float ATRAC3PContext::samples[2][ATRAC3P_FRAME_SAMPLES]

quantized MDCT spectrum

Definition at line 52 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame(), and reconstruct_frame().

float ATRAC3PContext::mdct_buf[2][ATRAC3P_FRAME_SAMPLES]

output of the IMDCT

Definition at line 53 of file atrac3plusdec.c.

Referenced by reconstruct_frame().

float ATRAC3PContext::time_buf[2][ATRAC3P_FRAME_SAMPLES]

output of the gain compensation

Definition at line 54 of file atrac3plusdec.c.

Referenced by reconstruct_frame().

float ATRAC3PContext::outp_buf[2][ATRAC3P_FRAME_SAMPLES]

Definition at line 55 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame(), and reconstruct_frame().

AtracGCContext ATRAC3PContext::gainc_ctx

gain compensation context

Definition at line 57 of file atrac3plusdec.c.

Referenced by atrac3p_decode_init(), and reconstruct_frame().

FFTContext ATRAC3PContext::mdct_ctx

Definition at line 58 of file atrac3plusdec.c.

Referenced by atrac3p_decode_init(), and reconstruct_frame().

FFTContext ATRAC3PContext::ipqf_dct_ctx

IDCT context used by IPQF.

Definition at line 59 of file atrac3plusdec.c.

Referenced by atrac3p_decode_init(), and reconstruct_frame().

Atrac3pChanUnitCtx* ATRAC3PContext::ch_units

global channel units

Definition at line 61 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame(), and atrac3p_decode_init().

int ATRAC3PContext::num_channel_blocks

number of channel blocks

Definition at line 63 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame(), atrac3p_decode_init(), and set_channel_params().

uint8_t ATRAC3PContext::channel_blocks[5]

channel configuration descriptor

Definition at line 64 of file atrac3plusdec.c.

Referenced by atrac3p_decode_frame(), and set_channel_params().

uint64_t ATRAC3PContext::my_channel_layout

current channel layout

Definition at line 65 of file atrac3plusdec.c.

Referenced by atrac3p_decode_init().

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

• libavcodec/atrac3plusdec.c