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Code Issues Releases Activity

Get rid of av_random in nellymoserdec.c

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Originally committed as revision 18078 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benjamin Larsson 2009-03-20 21:15:02 +00:00
parent effcedf738
commit 3b0b84797e
1 changed files with 5 additions and 4 deletions
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9
libavcodec/nellymoserdec.c
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@ -32,7 +32,8 @@
*/
#include "nellymoser.h"
#include "libavutil/random.h"
#include "libavutil/lfg.h"
#include "libavutil/random_seed.h"
#include "avcodec.h"
#include "dsputil.h"
@ -44,7 +45,7 @@ typedef struct NellyMoserDecodeContext {
AVCodecContext* avctx;
DECLARE_ALIGNED_16(float,float_buf[NELLY_SAMPLES]);
float state[128];
AVRandomState random_state;
AVLFG random_state;
GetBitContext gb;
int add_bias;
float scale_bias;
@ -107,7 +108,7 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
for (j = 0; j < NELLY_FILL_LEN; j++) {
if (bits[j] <= 0) {
aptr[j] = M_SQRT1_2*pows[j];
if (av_random(&s->random_state) & 1)
if (av_lfg_get(&s->random_state) & 1)
aptr[j] *= -1.0;
} else {
v = get_bits(&s->gb, bits[j]);
@ -128,7 +129,7 @@ static av_cold int decode_init(AVCodecContext * avctx) {
NellyMoserDecodeContext *s = avctx->priv_data;
s->avctx = avctx;
av_random_init(&s->random_state, 0);
av_lfg_init(&s->random_state, ff_random_get_seed());
ff_mdct_init(&s->imdct_ctx, 8, 1);
dsputil_init(&s->dsp, avctx);