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Deprecate av_init_random() in favour of av_random_init(), with a more natural

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name and order of parameters.

Originally committed as revision 16679 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2009-01-18 22:50:57 +00:00
parent ef4c0bb1dc
commit b097312492
3 changed files with 11 additions and 3 deletions
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2
libavutil/avutil.h
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@ -35,7 +35,7 @@
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 49
#define LIBAVUTIL_VERSION_MINOR 13
#define LIBAVUTIL_VERSION_MINOR 14
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \

7
libavutil/random.c
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@ -36,7 +36,7 @@ see http://en.wikipedia.org/wiki/Mersenne_twister for an explanation of this alg
#define LOWER_MASK 0x7fffffff /* least significant r bits */
/** initializes mt[AV_RANDOM_N] with a seed */
void av_init_random(unsigned int seed, AVRandomState *state)
void av_random_init(AVRandomState *state, unsigned int seed)
{
int index;
@ -55,6 +55,11 @@ void av_init_random(unsigned int seed, AVRandomState *state)
state->index= index; // will cause it to generate untempered numbers the first iteration
}
void av_init_random(unsigned int seed, AVRandomState *state)
{
av_random_init(state, seed);
}
/** generate AV_RANDOM_N words at one time (which will then be tempered later) (av_random calls this; you shouldn't) */
void av_random_generate_untempered_numbers(AVRandomState *state)
{

5
libavutil/random.h
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@ -26,13 +26,16 @@
#define AV_RANDOM_N 624
#include "common.h"
typedef struct {
unsigned int mt[AV_RANDOM_N]; ///< the array for the state vector
int index; ///< Current untempered value we use as the base.
} AVRandomState;
void av_init_random(unsigned int seed, AVRandomState *state); ///< To be inlined, the struct must be visible. So it does not make sense to try and keep it opaque with malloc/free-like calls.
attribute_deprecated void av_init_random(unsigned int seed, AVRandomState *state);
void av_random_init(AVRandomState *state, unsigned int seed); ///< To be inlined, the struct must be visible. So it does not 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).
/**