AT1Ctx Struct Reference

The atrac1 context, holds all needed parameters for decoding. More...

Data Fields
AT1SUCtx	SUs [AT1_MAX_CHANNELS]
	channel sound unit
float	spec [AT1_SU_SAMPLES]
	the mdct spectrum buffer
float	low [256]
float	mid [256]
float	high [512]
float *	bands [3]
float	out_samples [AT1_MAX_CHANNELS][AT1_SU_SAMPLES]
FFTContext	mdct_ctx [3]
int	channels
DSPContext	dsp

---

Detailed Description

The atrac1 context, holds all needed parameters for decoding.

Definition at line 73 of file atrac1.c.

---

Field Documentation

float* AT1Ctx::bands[3]

Definition at line 80 of file atrac1.c.

Referenced by at1_imdct_block(), at1_subband_synthesis(), and atrac1_decode_init().

int AT1Ctx::channels

Definition at line 83 of file atrac1.c.

Referenced by atrac1_decode_frame(), and atrac1_decode_init().

DSPContext AT1Ctx::dsp

Definition at line 84 of file atrac1.c.

Referenced by at1_imdct_block(), and atrac1_decode_init().

float AT1Ctx::high[512]

Definition at line 79 of file atrac1.c.

Referenced by atrac1_decode_init().

float AT1Ctx::low[256]

Definition at line 77 of file atrac1.c.

Referenced by atrac1_decode_init().

FFTContext AT1Ctx::mdct_ctx[3]

Definition at line 82 of file atrac1.c.

Referenced by at1_imdct(), atrac1_decode_end(), and atrac1_decode_init().

float AT1Ctx::mid[256]

Definition at line 78 of file atrac1.c.

Referenced by atrac1_decode_init().

float AT1Ctx::out_samples[AT1_MAX_CHANNELS][AT1_SU_SAMPLES]

Definition at line 81 of file atrac1.c.

Referenced by atrac1_decode_frame().

float AT1Ctx::spec[AT1_SU_SAMPLES]

the mdct spectrum buffer

Definition at line 75 of file atrac1.c.

Referenced by at1_imdct_block(), and atrac1_decode_frame().

AT1SUCtx AT1Ctx::SUs[AT1_MAX_CHANNELS]

channel sound unit

Definition at line 74 of file atrac1.c.

Referenced by atrac1_decode_frame(), and atrac1_decode_init().

---

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

• libavcodec/atrac1.c