aacdec_proc_template.c File Reference

Go to the source code of this file.

Macros
#define	SET(member)   aac_proc->member = AAC_RENAME(member)
#define	SET(member)   aac_proc->member = AV_JOIN(ff_aac_, AAC_RENAME(member));

Functions
static av_always_inline int	lcg_random (unsigned previous_val)
	linear congruential pseudorandom number generator More...
static int AAC_RENAME()	decode_spectrum_and_dequant (AACDecContext *ac, GetBitContext *gb, const Pulse *pulse, SingleChannelElement *sce)
	Decode spectral data; reference: table 4.50. More...
static int AAC_RENAME()	decode_cce (AACDecContext *ac, GetBitContext *gb, ChannelElement *che)
	Decode coupling_channel_element; reference: table 4.8. More...
static av_cold void AAC_RENAME()	aac_proc_init (AACDecProc *aac_proc)

Macro Definition Documentation

SET [1/2]

#define SET

(

member

)

aac_proc->member = AAC_RENAME(member)

SET [2/2]

#define SET

(

member

)

aac_proc->member = AV_JOIN(ff_aac_, AAC_RENAME(member));

Function Documentation

lcg_random()

static av_always_inline int lcg_random ( unsigned  previous_val )

static

linear congruential pseudorandom number generator

Parameters

previous_val

pointer to the current state of the generator

Returns

Returns a 32-bit pseudorandom integer

Definition at line 39 of file aacdec_proc_template.c.

Referenced by decode_spectrum_and_dequant(), and search_for_pns().

decode_spectrum_and_dequant()

static int AAC_RENAME() decode_spectrum_and_dequant ( AACDecContext *  ac, GetBitContext *  gb, const Pulse *  pulse, SingleChannelElement *  sce  )

static

Decode spectral data; reference: table 4.50.

Dequantize and scale spectral data; reference: 4.6.3.3.

Parameters

coef	array of dequantized, scaled spectral data
sf	array of scalefactors or intensity stereo positions
pulse_present	set if pulses are present
pulse	pointer to pulse data struct
band_type	array of the used band type

Returns

Returns error status. 0 - OK, !0 - error

Definition at line 57 of file aacdec_proc_template.c.

Referenced by aac_proc_init().

decode_cce()

static int AAC_RENAME() decode_cce ( AACDecContext *  ac, GetBitContext *  gb, ChannelElement *  che  )

static

Decode coupling_channel_element; reference: table 4.8.

Returns

Returns error status. 0 - OK, !0 - error

Definition at line 357 of file aacdec_proc_template.c.

Referenced by aac_proc_init().

aac_proc_init()

static av_cold void AAC_RENAME() aac_proc_init ( AACDecProc *  aac_proc )

static

Definition at line 436 of file aacdec_proc_template.c.

Referenced by ff_aac_decode_init_float().