RA288Context Struct Reference

Data Fields
void(*	vector_fmul )(float *dst, const float *src0, const float *src1, int len)
float	sp_lpc [FFALIGN(36, 16)]
	LPC coefficients for speech data (spec: A) More...
float	gain_lpc [FFALIGN(10, 16)]
	LPC coefficients for gain (spec: GB) More...
float	sp_hist [111]
	speech data history (spec: SB). More...
float	sp_rec [37]
	speech part of the gain autocorrelation (spec: REXP) More...
float	gain_hist [38]
	log-gain history (spec: SBLG). More...
float	gain_rec [11]
	recursive part of the gain autocorrelation (spec: REXPLG) More...

Detailed Description

Definition at line 42 of file ra288.c.

Field Documentation

vector_fmul

void(* RA288Context::vector_fmul) (float *dst, const float *src0, const float *src1, int len)

Definition at line 43 of file ra288.c.

Referenced by backward_filter(), do_hybrid_window(), and ra288_decode_init().

sp_lpc

float RA288Context::sp_lpc[FFALIGN(36, 16)]

LPC coefficients for speech data (spec: A)

Definition at line 45 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

gain_lpc

float RA288Context::gain_lpc[FFALIGN(10, 16)]

LPC coefficients for gain (spec: GB)

Definition at line 46 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

sp_hist

float RA288Context::sp_hist[111]

speech data history (spec: SB).

Its first 70 coefficients are updated only at backward filtering.

Definition at line 51 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

sp_rec

float RA288Context::sp_rec[37]

speech part of the gain autocorrelation (spec: REXP)

Definition at line 54 of file ra288.c.

Referenced by ra288_decode_frame().

gain_hist

float RA288Context::gain_hist[38]

log-gain history (spec: SBLG).

Its first 28 coefficients are updated only at backward filtering.

Definition at line 59 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

gain_rec

float RA288Context::gain_rec[11]

recursive part of the gain autocorrelation (spec: REXPLG)

Definition at line 62 of file ra288.c.

Referenced by ra288_decode_frame().

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

• libavcodec/ra288.c