ac3dsp.h File Reference

#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	AC3DSPContext

Functions
void	ff_ac3dsp_init (AC3DSPContext *c, int bit_exact)
void	ff_ac3dsp_init_arm (AC3DSPContext *c, int bit_exact)
void	ff_ac3dsp_init_x86 (AC3DSPContext *c, int bit_exact)
void	ff_ac3dsp_init_mips (AC3DSPContext *c, int bit_exact)
void	ff_ac3dsp_downmix (AC3DSPContext *c, float **samples, float **matrix, int out_ch, int in_ch, int len)
void	ff_ac3dsp_downmix_fixed (AC3DSPContext *c, int32_t **samples, int16_t **matrix, int out_ch, int in_ch, int len)
void	ff_ac3dsp_set_downmix_x86 (AC3DSPContext *c)

Variables
const uint16_t	ff_ac3_bap_bits [16]
	Number of mantissa bits written for each bap value. More...

Function Documentation

ff_ac3dsp_init()

void ff_ac3dsp_init	(	AC3DSPContext *	c,
		int	bit_exact
	)

Definition at line 368 of file ac3dsp.c.

Referenced by ac3_decode_init(), and ff_ac3_encode_init().

ff_ac3dsp_init_arm()

void ff_ac3dsp_init_arm	(	AC3DSPContext *	c,
		int	bit_exact
	)

Definition at line 47 of file ac3dsp_init_arm.c.

Referenced by ff_ac3dsp_init().

ff_ac3dsp_init_x86()

void ff_ac3dsp_init_x86	(	AC3DSPContext *	c,
		int	bit_exact
	)

Definition at line 42 of file ac3dsp_init.c.

Referenced by ff_ac3dsp_init().

ff_ac3dsp_init_mips()

void ff_ac3dsp_init_mips	(	AC3DSPContext *	c,
		int	bit_exact
	)

Definition at line 403 of file ac3dsp_mips.c.

Referenced by ff_ac3dsp_init().

ff_ac3dsp_downmix()

void ff_ac3dsp_downmix	(	AC3DSPContext *	c,
		float **	samples,
		float **	matrix,
		int	out_ch,
		int	in_ch,
		int	len
	)

Definition at line 336 of file ac3dsp.c.

Referenced by decode_audio_block().

ff_ac3dsp_downmix_fixed()

void ff_ac3dsp_downmix_fixed	(	AC3DSPContext *	c,
		int32_t **	samples,
		int16_t **	matrix,
		int	out_ch,
		int	in_ch,
		int	len
	)

Definition at line 309 of file ac3dsp.c.

ff_ac3dsp_set_downmix_x86()

void ff_ac3dsp_set_downmix_x86

(

AC3DSPContext *

c

)

Definition at line 89 of file ac3dsp_init.c.

Referenced by ff_ac3dsp_downmix().

Variable Documentation

ff_ac3_bap_bits

const uint16_t ff_ac3_bap_bits[16]

Number of mantissa bits written for each bap value.

bap values with fractional bits are set to 0 and are calculated separately.

Definition at line 99 of file ac3dsp.c.

Referenced by ac3_compute_mantissa_size_c().