dcaadpcm.h File Reference

#include "dcamath.h"
#include "dcadata.h"
#include "dcaenc.h"

Go to the source code of this file.

Data Structures
struct	DCAADPCMEncContext

Functions
static int64_t	ff_dcaadpcm_predict (int pred_vq_index, const int32_t *input)
int	ff_dcaadpcm_subband_analysis (const DCAADPCMEncContext *s, const int32_t *input, int len, int *diff)
int	ff_dcaadpcm_do_real (int pred_vq_index, softfloat quant, int32_t scale_factor, int32_t step_size, const int32_t *prev_hist, const int32_t *in, int32_t *next_hist, int32_t *out, int len, int32_t peak)
av_cold int	ff_dcaadpcm_init (DCAADPCMEncContext *s)
av_cold void	ff_dcaadpcm_free (DCAADPCMEncContext *s)

Function Documentation

ff_dcaadpcm_predict()

static int64_t ff_dcaadpcm_predict ( int  pred_vq_index, const int32_t *  input  )

inlinestatic

Definition at line 33 of file dcaadpcm.h.

Referenced by calc_prediction_gain(), ff_dcaadpcm_do_real(), and inverse_adpcm().

ff_dcaadpcm_subband_analysis()

int ff_dcaadpcm_subband_analysis	(	const DCAADPCMEncContext *	s,
		const int32_t *	input,
		int	len,
		int *	diff
	)

Definition at line 125 of file dcaadpcm.c.

Referenced by adpcm_analysis(), and ff_dcaadpcm_predict().

ff_dcaadpcm_do_real()

int ff_dcaadpcm_do_real	(	int	pred_vq_index,
		softfloat	quant,
		int32_t	scale_factor,
		int32_t	step_size,
		const int32_t *	prev_hist,
		const int32_t *	in,
		int32_t *	next_hist,
		int32_t *	out,
		int	len,
		int32_t	peak
	)

Definition at line 183 of file dcaadpcm.c.

Referenced by ff_dcaadpcm_predict(), and quantize_adpcm_subband().

ff_dcaadpcm_init()

av_cold int ff_dcaadpcm_init

(

DCAADPCMEncContext *

s

)

Definition at line 212 of file dcaadpcm.c.

Referenced by encode_init(), and ff_dcaadpcm_predict().

ff_dcaadpcm_free()

av_cold void ff_dcaadpcm_free

(

DCAADPCMEncContext *

s

)

Definition at line 225 of file dcaadpcm.c.

Referenced by encode_close(), and ff_dcaadpcm_predict().