frsh: Export information about the last RTP contract and VRES

[frescor/ffmpeg.git] / libavcodec / fft-test.c

diff --git a/libavcodec/fft-test.c b/libavcodec/fft-test.c
index 1ab653fc3dc741dc2cf1b3bc1bd306e0b15d3bf3..1cefa3202f22167f951f9ac2e4ac155420d730f6 100644 (file)
--- a/libavcodec/fft-test.c
+++ b/libavcodec/fft-test.c
@@ -19,10 +19,11 @@
  */
 
 /**
- * @file fft-test.c
+ * @file libavcodec/fft-test.c
  * FFT and MDCT tests.
  */
 
+#include "libavutil/lfg.h"
 #include "dsputil.h"
 #include <math.h>
 #include <unistd.h>
@@ -31,7 +32,6 @@
 #include <string.h>
 
 #undef exit
-#undef random
 
 /* reference fft */
 
@@ -45,7 +45,7 @@
 
 FFTComplex *exptab;
 
-void fft_ref_init(int nbits, int inverse)
+static void fft_ref_init(int nbits, int inverse)
 {
     int n, i;
     double c1, s1, alpha;
@@ -64,7 +64,7 @@ void fft_ref_init(int nbits, int inverse)
     }
 }
 
-void fft_ref(FFTComplex *tabr, FFTComplex *tab, int nbits)
+static void fft_ref(FFTComplex *tabr, FFTComplex *tab, int nbits)
 {
     int n, i, j, k, n2;
     double tmp_re, tmp_im, s, c;
@@ -93,7 +93,7 @@ void fft_ref(FFTComplex *tabr, FFTComplex *tab, int nbits)
     }
 }
 
-void imdct_ref(float *out, float *in, int nbits)
+static void imdct_ref(float *out, float *in, int nbits)
 {
     int n = 1<<nbits;
     int k, i, a;
@@ -111,7 +111,7 @@ void imdct_ref(float *out, float *in, int nbits)
 }
 
 /* NOTE: no normalisation by 1 / N is done */
-void mdct_ref(float *output, float *input, int nbits)
+static void mdct_ref(float *output, float *input, int nbits)
 {
     int n = 1<<nbits;
     int k, i;
@@ -129,19 +129,21 @@ void mdct_ref(float *output, float *input, int nbits)
 }
 
 
-float frandom(void)
+static float frandom(void)
 {
-    return (float)((random() & 0xffff) - 32768) / 32768.0;
+    AVLFG prng;
+    av_lfg_init(&prng, 1);
+    return (float)((av_lfg_get(&prng) & 0xffff) - 32768) / 32768.0;
 }
 
-int64_t gettime(void)
+static int64_t gettime(void)
 {
     struct timeval tv;
     gettimeofday(&tv,NULL);
     return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
 }
 
-void check_diff(float *tab1, float *tab2, int n)
+static void check_diff(float *tab1, float *tab2, int n)
 {
     int i;
     double max= 0;
@@ -160,7 +162,7 @@ void check_diff(float *tab1, float *tab2, int n)
 }
 
 
-void help(void)
+static void help(void)
 {
     av_log(NULL, AV_LOG_INFO,"usage: fft-test [-h] [-s] [-i] [-n b]\n"
            "-h     print this help\n"