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add more tests and with more variety

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This commit is contained in:
Josh Coalson
2001-02-08 22:03:18 +00:00
parent 29b4af8a7b
commit f5994a73dd
1 changed files with 81 additions and 6 deletions
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87
src/test_streams/main.c
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@@ -20,6 +20,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <sys/time.h>
#include "FLAC/ordinals.h"
#ifdef _WIN32
@@ -184,7 +185,7 @@ foo:
}
/* a mono sine-wave 16bps stream */
static bool generate_sine16(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
static bool generate_sine16_1(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2)
{
const signed short full_scale = 32767;
const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
@@ -211,6 +212,67 @@ foo:
return false;
}
/* a stereo sine-wave 16bps stream */
static bool generate_sine16_2(const char *fn, const double sample_rate, const unsigned samples, const double f1, const double a1, const double f2, const double a2, double fmult)
{
const signed short full_scale = 32767;
const double delta1 = 2.0 * M_PI / ( sample_rate / f1);
const double delta2 = 2.0 * M_PI / ( sample_rate / f2);
FILE *f;
double theta1, theta2;
unsigned i;
if(0 == (f = fopen(fn, mode)))
return false;
for(i = 0, theta1 = theta2 = 0.0; i < samples; i++, theta1 += delta1, theta2 += delta2) {
double val = (a1*sin(theta1) + a2*sin(theta2))*(double)full_scale;
int16 v = (int16)(val + 0.5);
swap16(&v);
if(fwrite(&v, sizeof(v), 1, f) < 1)
goto foo;
val = -(a1*sin(theta1*fmult) + a2*sin(theta2*fmult))*(double)full_scale;
v = (int16)(val + 0.5);
swap16(&v);
if(fwrite(&v, sizeof(v), 1, f) < 1)
goto foo;
}
fclose(f);
return true;
foo:
fclose(f);
return false;
}
static bool generate_noise(const char *fn, unsigned bytes)
{
FILE *f;
struct timeval tv;
unsigned b;
if(gettimeofday(&tv, 0) < 0) {
fprintf(stderr, "WARNING: couldn't seed RNG with time\n");
tv.tv_usec = 4321;
}
srandom(tv.tv_usec);
if(0 == (f = fopen(fn, mode)))
return false;
for(b = 0; b < bytes; b++) {
byte x = (byte)(((unsigned)random()) & 0xff);
if(fwrite(&x, sizeof(x), 1, f) < 1)
goto foo;
}
fclose(f);
return true;
foo:
fclose(f);
return false;
}
int main(int argc, char *argv[])
{
uint32 test = 1;
@@ -248,11 +310,24 @@ int main(int argc, char *argv[])
if(!generate_fsd16("fsd16-06.raw", pattern06, 100)) return 1;
if(!generate_fsd16("fsd16-07.raw", pattern07, 100)) return 1;
if(!generate_sine16("sine-01.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49)) return 1;
if(!generate_sine16("sine-02.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37)) return 1;
if(!generate_sine16("sine-03.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49)) return 1;
if(!generate_sine16("sine-04.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49)) return 1;
if(!generate_sine16("sine-05.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29)) return 1;
if(!generate_sine16_1("sine-00.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49)) return 1;
if(!generate_sine16_1("sine-01.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37)) return 1;
if(!generate_sine16_1("sine-02.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49)) return 1;
if(!generate_sine16_1("sine-03.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49)) return 1;
if(!generate_sine16_1("sine-04.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29)) return 1;
if(!generate_sine16_2("sine-10.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 1.0)) return 1;
if(!generate_sine16_2("sine-11.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 1.0)) return 1;
if(!generate_sine16_2("sine-12.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 1.0)) return 1;
if(!generate_sine16_2("sine-13.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.0)) return 1;
if(!generate_sine16_2("sine-14.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 1.0)) return 1;
if(!generate_sine16_2("sine-15.raw", 44100.0, 80000, 441.0, 0.50, 441.0, 0.49, 0.5)) return 1;
if(!generate_sine16_2("sine-16.raw", 44100.0, 80000, 441.0, 0.61, 661.5, 0.37, 2.0)) return 1;
if(!generate_sine16_2("sine-17.raw", 44100.0, 80000, 441.0, 0.50, 882.0, 0.49, 0.7)) return 1;
if(!generate_sine16_2("sine-18.raw", 44100.0, 80000, 441.0, 0.50, 4410.0, 0.49, 1.3)) return 1;
if(!generate_sine16_2("sine-19.raw", 44100.0, 50000, 8820.0, 0.70, 4410.0, 0.29, 0.1)) return 1;
if(!generate_noise("noise.raw", 65536 * 2)) return 1;
return 0;
}