RA288Context Struct Reference

Data Fields
AVFrame	frame
DSPContext	dsp
AVFloatDSPContext	fdsp
float	sp_lpc [FFALIGN(36, 16)]
	LPC coefficients for speech data (spec: A)
float	gain_lpc [FFALIGN(10, 16)]
	LPC coefficients for gain (spec: GB)
float	sp_hist [111]
	speech data history (spec: SB).
float	sp_rec [37]
	speech part of the gain autocorrelation (spec: REXP)
float	gain_hist [38]
	log-gain history (spec: SBLG).
float	gain_rec [11]
	recursive part of the gain autocorrelation (spec: REXPLG)

Detailed Description

Definition at line 39 of file ra288.c.

Field Documentation

AVFrame RA288Context::frame

Definition at line 40 of file ra288.c.

Referenced by ra288_decode_frame(), and ra288_decode_init().

DSPContext RA288Context::dsp

Definition at line 41 of file ra288.c.

AVFloatDSPContext RA288Context::fdsp

Definition at line 42 of file ra288.c.

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

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

LPC coefficients for speech data (spec: A)

Definition at line 43 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

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

LPC coefficients for gain (spec: GB)

Definition at line 44 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

float RA288Context::sp_hist[111]

speech data history (spec: SB).

Its first 70 coefficients are updated only at backward filtering.

Definition at line 49 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

float RA288Context::sp_rec[37]

speech part of the gain autocorrelation (spec: REXP)

Definition at line 52 of file ra288.c.

Referenced by ra288_decode_frame().

float RA288Context::gain_hist[38]

log-gain history (spec: SBLG).

Its first 28 coefficients are updated only at backward filtering.

Definition at line 57 of file ra288.c.

Referenced by decode(), and ra288_decode_frame().

float RA288Context::gain_rec[11]

recursive part of the gain autocorrelation (spec: REXPLG)

Definition at line 60 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