aacdec_proc_template.c File Reference

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Macros
#define	SET(member)
#define	SET(member)

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

Macro Definition Documentation

SET [1/2]

#define SET

(

member

)

Value:

aac_proc->member = AAC_RENAME(member)

Referenced by aac_proc_init().

SET [2/2]

#define SET

(

member

)

Value:

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(), and decode_spectrum_and_dequant().

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(), and decode_cce().

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 aac_proc_init(), and ff_aac_decode_init_float().