[FFmpeg-cvslog] r18079 - trunk/libavcodec/cook.c
banan
subversion
Fri Mar 20 22:32:30 CET 2009
Author: banan
Date: Fri Mar 20 22:32:30 2009
New Revision: 18079
Log:
Get rid of av_random in cook.c
Modified:
trunk/libavcodec/cook.c
Modified: trunk/libavcodec/cook.c
==============================================================================
--- trunk/libavcodec/cook.c Fri Mar 20 22:15:02 2009 (r18078)
+++ trunk/libavcodec/cook.c Fri Mar 20 22:32:30 2009 (r18079)
@@ -46,7 +46,8 @@
#include <stddef.h>
#include <stdio.h>
-#include "libavutil/random.h"
+#include "libavutil/lfg.h"
+#include "libavutil/random_seed.h"
#include "avcodec.h"
#include "bitstream.h"
#include "dsputil.h"
@@ -110,7 +111,7 @@ typedef struct cook {
int bits_per_subpacket;
int cookversion;
/* states */
- AVRandomState random_state;
+ AVLFG random_state;
/* transform data */
MDCTContext mdct_ctx;
@@ -541,7 +542,7 @@ static void scalar_dequant_float(COOKCon
} else {
/* noise coding if subband_coef_index[i] == 0 */
f1 = dither_tab[index];
- if (av_random(&q->random_state) < 0x80000000) f1 = -f1;
+ if (av_lfg_get(&q->random_state) < 0x80000000) f1 = -f1;
}
mlt_p[i] = f1 * rootpow2tab[quant_index+63];
}
@@ -1066,7 +1067,7 @@ static av_cold int cook_decode_init(AVCo
q->bit_rate = avctx->bit_rate;
/* Initialize RNG. */
- av_random_init(&q->random_state, 1);
+ av_lfg_init(&q->random_state, ff_random_get_seed());
/* Initialize extradata related variables. */
q->samples_per_channel = q->samples_per_frame / q->nb_channels;
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