random.h File Reference

Go to the source code of this file.

Classes
struct	AVRandomState
Functions
void	av_init_random (unsigned int seed, AVRandomState *state)
	to be inlined, the struct must be visible, so it doesn't make sense to try and keep it opaque with malloc/free like calls
void	av_random_generate_untempered_numbers (AVRandomState *state)
	Regenerate the untempered numbers (must be done every 624 iterations, or it will loop).
static unsigned int	av_random (AVRandomState *state)
	generates a random number on [0,0xffffffff]-interval
static double	av_random_real1 (AVRandomState *state)
	return random in range [0-1] as double
void	av_benchmark_random (void)

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Function Documentation

void av_init_random	(	unsigned int	seed,
		AVRandomState *	state
	)

to be inlined, the struct must be visible, so it doesn't make sense to try and keep it opaque with malloc/free like calls

Definition at line 46 of file random.c.

Referenced by ac3_decode_init(), av_benchmark_random(), cook_decode_init(), decode_init(), mpc7_decode_init(), mpc8_decode_init(), and roq_encode_init().

void av_random_generate_untempered_numbers

(

AVRandomState *

state

)

Regenerate the untempered numbers (must be done every 624 iterations, or it will loop).

Definition at line 66 of file random.c.

Referenced by av_random().

static unsigned int av_random

(

AVRandomState *

state

)

[inline, static]

generates a random number on [0,0xffffffff]-interval

Definition at line 39 of file random.h.

Referenced by av_benchmark_random(), av_random_real1(), get_high_utility_cell(), get_transform_coeffs_ch(), idx_to_quant(), mpc8_decode_frame(), nelly_decode_block(), and scalar_dequant_float().

static double av_random_real1

(

AVRandomState *

state

)

[inline, static]

return random in range [0-1] as double

Definition at line 60 of file random.h.

void av_benchmark_random

(

void

)

Definition at line 85 of file random.c.