Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

tests: K&R formatting cosmetics for test programs

Browse Source
release/0.10
Gaurav Narula 13 years ago committed by Diego Biurrun
parent aa2e4bb058
commit b481bbc32a
5 changed files with 264 additions and 251 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 26
      tests/audiogen.c
  2. 3
      tests/base64.c
  3. 21
      tests/rotozoom.c
  4. 129
      tests/tiny_psnr.c
  5. 42
      tests/videogen.c

26
tests/audiogen.c
Unescape View File

@ -139,45 +139,45 @@ int main(int argc, char **argv)
/* 1 second of single freq sinus at 1000 Hz */
a = 0;
for(i=0;i<1 * sample_rate;i++) {
for (i = 0; i < 1 * sample_rate; i++) {
v = (int_cos(a) * 10000) >> FRAC_BITS;
for(j=0;j<nb_channels;j++)
for (j = 0; j < nb_channels; j++)
put_sample(v);
a += (1000 * FRAC_ONE) / sample_rate;
}
/* 1 second of varing frequency between 100 and 10000 Hz */
a = 0;
for(i=0;i<1 * sample_rate;i++) {
for (i = 0; i < 1 * sample_rate; i++) {
v = (int_cos(a) * 10000) >> FRAC_BITS;
for(j=0;j<nb_channels;j++)
for (j = 0; j < nb_channels; j++)
put_sample(v);
f = 100 + (((10000 - 100) * i) / sample_rate);
a += (f * FRAC_ONE) / sample_rate;
}
/* 0.5 second of low amplitude white noise */
for(i=0;i<sample_rate / 2;i++) {
for (i = 0; i < sample_rate / 2; i++) {
v = myrnd(&seed, 20000) - 10000;
for(j=0;j<nb_channels;j++)
for (j = 0; j < nb_channels; j++)
put_sample(v);
}
/* 0.5 second of high amplitude white noise */
for(i=0;i<sample_rate / 2;i++) {
for (i = 0; i < sample_rate / 2; i++) {
v = myrnd(&seed, 65535) - 32768;
for(j=0;j<nb_channels;j++)
for (j = 0; j < nb_channels; j++)
put_sample(v);
}
/* 1 second of unrelated ramps for each channel */
for(j=0;j<nb_channels;j++) {
for (j = 0; j < nb_channels; j++) {
taba[j] = 0;
tabf1[j] = 100 + myrnd(&seed, 5000);
tabf2[j] = 100 + myrnd(&seed, 5000);
}
for(i=0;i<1 * sample_rate;i++) {
for(j=0;j<nb_channels;j++) {
for (i = 0; i < 1 * sample_rate; i++) {
for (j = 0; j < nb_channels; j++) {
v = (int_cos(taba[j]) * 10000) >> FRAC_BITS;
put_sample(v);
f = tabf1[j] + (((tabf2[j] - tabf1[j]) * i) / sample_rate);
@ -188,8 +188,8 @@ int main(int argc, char **argv)
/* 2 seconds of 500 Hz with varying volume */
a = 0;
ampa = 0;
for(i=0;i<2 * sample_rate;i++) {
for(j=0;j<nb_channels;j++) {
for (i = 0; i < 2 * sample_rate; i++) {
for (j = 0; j < nb_channels; j++) {
amp = ((FRAC_ONE + int_cos(ampa)) * 5000) >> FRAC_BITS;
if (j & 1)
amp = 10000 - amp;

3
tests/base64.c
Unescape View File

@ -31,7 +31,8 @@ int main(void)
int out_len = 0;
int in;
#define putb64() do { \
#define putb64() \
do { \
putchar(b64[(i_bits << 6 >> i_shift) & 0x3f]); \
out_len++; \
i_shift -= 6; \

21
tests/rotozoom.c
Unescape View File

@ -25,7 +25,7 @@
#include <inttypes.h>
#define FIXP (1 << 16)
#define MY_PI 205887 //(M_PI * FIX)
#define MY_PI 205887 // (M_PI * FIX)
static int64_t int_pow(int64_t a, int p)
{
@ -47,7 +47,7 @@ static int64_t int_sin(int64_t a)
if (a >= MY_PI * 3 / 2)
a -= 2 * MY_PI; // -PI / 2 .. 3PI / 2
if (a >= MY_PI /2)
if (a >= MY_PI / 2)
a = MY_PI - a; // -PI / 2 .. PI / 2
return a - int_pow(a, 3) / 6 + int_pow(a, 5) / 120 - int_pow(a, 7) / 5040;
@ -181,8 +181,8 @@ unsigned char tab_r[256 * 256];
unsigned char tab_g[256 * 256];
unsigned char tab_b[256 * 256];
int h_cos [360];
int h_sin [360];
int h_cos[360];
int h_sin[360];
static int ipol(uint8_t *src, int x, int y)
{
@ -202,8 +202,8 @@ static int ipol(uint8_t *src, int x, int y)
static void gen_image(int num, int w, int h)
{
const int c = h_cos [num % 360];
const int s = h_sin [num % 360];
const int c = h_cos[num % 360];
const int s = h_sin[num % 360];
const int xi = -(w / 2) * c;
const int yi = (w / 2) * s;
@ -223,10 +223,13 @@ static void gen_image(int num, int w, int h)
y = yprime + yi + FIXP * h / 2;
yprime += c;
for (i = 0; i < w; i++ ) {
for (i = 0; i < w; i++) {
x += c;
y -= s;
put_pixel(i, j, ipol(tab_r, x, y), ipol(tab_g, x, y), ipol(tab_b, x, y));
put_pixel(i, j,
ipol(tab_r, x, y),
ipol(tab_g, x, y),
ipol(tab_b, x, y));
}
}
}
@ -265,7 +268,7 @@ static int init_demo(const char *filename)
/* tables sin/cos */
for (i = 0; i < 360; i++) {
radian = 2 * i * MY_PI / 360;
h = 2 * FIXP + int_sin (radian);
h = 2 * FIXP + int_sin(radian);
h_cos[i] = h * int_sin(radian + MY_PI / 2) / 2 / FIXP;
h_sin[i] = h * int_sin(radian) / 2 / FIXP;
}

129
tests/tiny_psnr.c
Unescape View File

@ -24,11 +24,11 @@
#include <inttypes.h>
#include <assert.h>
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
#define FFMIN(a, b) ((a) > (b) ? (b) : (a))
#define F 100
#define SIZE 2048
uint64_t exp16_table[21]={
uint64_t exp16_table[21] = {
65537,
65538,
65540,
@ -53,63 +53,66 @@ uint64_t exp16_table[21]={
};
// 16.16 fixpoint log()
static int64_t log16(uint64_t a){
static int64_t log16(uint64_t a)
{
int i;
int out=0;
if(a < 1<<16)
return -log16((1LL<<32) / a);
a<<=16;
for(i=20;i>=0;i--){
int64_t b= exp16_table[i];
if(a<(b<<16)) continue;
out |= 1<<i;
a = ((a/b)<<16) + (((a%b)<<16) + b/2)/b;
int out = 0;
if (a < 1 << 16)
return -log16((1LL << 32) / a);
a <<= 16;
for (i = 20; i >= 0; i--) {
int64_t b = exp16_table[i];
if (a < (b << 16))
continue;
out |= 1 << i;
a = ((a / b) << 16) + (((a % b) << 16) + b / 2) / b;
}
return out;
}
static uint64_t int_sqrt(uint64_t a)
{
uint64_t ret=0;
uint64_t ret = 0;
uint64_t ret_sq = 0;
int s;
uint64_t ret_sq=0;
for(s=31; s>=0; s--){
uint64_t b= ret_sq + (1ULL<<(s*2)) + (ret<<s)*2;
if(b<=a){
ret_sq=b;
ret+= 1ULL<<s;
for (s = 31; s >= 0; s--) {
uint64_t b = ret_sq + (1ULL << (s * 2)) + (ret << s) * 2;
if (b <= a) {
ret_sq = b;
ret += 1ULL << s;
}
}
return ret;
}
int main(int argc,char* argv[]){
int main(int argc, char *argv[])
{
int i, j;
uint64_t sse=0;
uint64_t sse = 0;
uint64_t dev;
FILE *f[2];
uint8_t buf[2][SIZE];
uint64_t psnr;
int len= argc<4 ? 1 : atoi(argv[3]);
int64_t max= (1<<(8*len))-1;
int shift= argc<5 ? 0 : atoi(argv[4]);
int skip_bytes = argc<6 ? 0 : atoi(argv[5]);
int size0=0;
int size1=0;
int len = argc < 4 ? 1 : atoi(argv[3]);
int64_t max = (1 << (8 * len)) - 1;
int shift = argc < 5 ? 0 : atoi(argv[4]);
int skip_bytes = argc < 6 ? 0 : atoi(argv[5]);
int size0 = 0;
int size1 = 0;
int maxdist = 0;
if(argc<3){
if (argc < 3) {
printf("tiny_psnr <file1> <file2> [<elem size> [<shift> [<skip bytes>]]]\n");
printf("WAV headers are skipped automatically.\n");
return 1;
}
f[0]= fopen(argv[1], "rb");
f[1]= fopen(argv[2], "rb");
if(!f[0] || !f[1]){
f[0] = fopen(argv[1], "rb");
f[1] = fopen(argv[2], "rb");
if (!f[0] || !f[1]) {
fprintf(stderr, "Could not open input files.\n");
return 1;
}
@ -119,11 +122,11 @@ int main(int argc,char* argv[]){
if (fread(p, 1, 12, f[i]) != 12)
return 1;
if (!memcmp(p, "RIFF", 4) &&
!memcmp(p+8, "WAVE", 4)) {
!memcmp(p + 8, "WAVE", 4)) {
if (fread(p, 1, 8, f[i]) != 8)
return 1;
while (memcmp(p, "data", 4)) {
int s = p[4] | p[5]<<8 | p[6]<<16 | p[7]<<24;
int s = p[4] | p[5] << 8 | p[6] << 16 | p[7] << 24;
fseek(f[i], s, SEEK_CUR);
if (fread(p, 1, 8, f[i]) != 8)
return 1;
@ -133,47 +136,47 @@ int main(int argc,char* argv[]){
}
}
fseek(f[shift<0], abs(shift), SEEK_CUR);
fseek(f[shift < 0], abs(shift), SEEK_CUR);
fseek(f[0],skip_bytes,SEEK_CUR);
fseek(f[1],skip_bytes,SEEK_CUR);
fseek(f[0], skip_bytes, SEEK_CUR);
fseek(f[1], skip_bytes, SEEK_CUR);
for(;;){
int s0= fread(buf[0], 1, SIZE, f[0]);
int s1= fread(buf[1], 1, SIZE, f[1]);
for (;;) {
int s0 = fread(buf[0], 1, SIZE, f[0]);
int s1 = fread(buf[1], 1, SIZE, f[1]);
for(j=0; j<FFMIN(s0,s1); j++){
int64_t a= buf[0][j];
int64_t b= buf[1][j];
for (j = 0; j < FFMIN(s0, s1); j++) {
int64_t a = buf[0][j];
int64_t b = buf[1][j];
int dist;
if(len==2){
a= (int16_t)(a | (buf[0][++j]<<8));
b= (int16_t)(b | (buf[1][ j]<<8));
if (len == 2) {
a = (int16_t)(a | (buf[0][++j] << 8));
b = (int16_t)(b | (buf[1][ j] << 8));
}
sse += (a-b) * (a-b);
dist = abs(a-b);
if (dist > maxdist) maxdist = dist;
sse += (a - b) * (a - b);
dist = abs(a - b);
if (dist > maxdist)
maxdist = dist;
}
size0 += s0;
size1 += s1;
if(s0+s1<=0)
if (s0 + s1 <= 0)
break;
}
i= FFMIN(size0,size1)/len;
if(!i) i=1;
dev= int_sqrt( ((sse/i)*F*F) + (((sse%i)*F*F) + i/2)/i );
if(sse)
psnr= ((2*log16(max<<16) + log16(i) - log16(sse))*284619LL*F + (1LL<<31)) / (1LL<<32);
i = FFMIN(size0, size1) / len;
if (!i)
i = 1;
dev = int_sqrt(((sse / i) * F * F) + (((sse % i) * F * F) + i / 2) / i);
if (sse)
psnr = ((2 * log16(max << 16) + log16(i) - log16(sse)) *
284619LL * F + (1LL << 31)) / (1LL << 32);
else
psnr= 1000*F-1; //floating point free infinity :)
psnr = 1000 * F - 1; // floating point free infinity :)
printf("stddev:%5d.%02d PSNR:%3d.%02d MAXDIFF:%5d bytes:%9d/%9d\n",
(int)(dev/F), (int)(dev%F),
(int)(psnr/F), (int)(psnr%F),
maxdist,
size0, size1);
(int)(dev / F), (int)(dev % F),
(int)(psnr / F), (int)(psnr % F),
maxdist, size0, size1);
return 0;
}

42
tests/videogen.c
Unescape View File

@ -27,7 +27,7 @@
#define SCALEBITS 8
#define ONE_HALF (1 << (SCALEBITS - 1))
#define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5))
#define FIX(x) ((int) ((x) * (1L << SCALEBITS) + 0.5))
static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
uint8_t *src, int width, int height)
@ -39,8 +39,8 @@ static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
wrap = width;
wrap3 = width * 3;
p = src;
for(y=0;y<height;y+=2) {
for(x=0;x<width;x+=2) {
for (y = 0; y < height; y += 2) {
for (x = 0; x < width; x += 2) {
r = p[0];
g = p[1];
b = p[2];
@ -77,10 +77,16 @@ static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
cb[0] = 128 + ((- FIX(0.16874) * r1 -
FIX(0.33126) * g1 +
FIX(0.50000) * b1 +
4 * ONE_HALF - 1)
>> (SCALEBITS + 2));
cr[0] = 128 + ((FIX(0.50000) * r1 -
FIX(0.41869) * g1 -
FIX(0.08131) * b1 +
4 * ONE_HALF - 1)
>> (SCALEBITS + 2));
cb++;
cr++;
@ -111,14 +117,14 @@ static void pgmyuv_save(const char *filename, int w, int h,
rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
f = fopen(filename,"wb");
f = fopen(filename, "wb");
fprintf(f, "P5\n%d %d\n%d\n", w, (h * 3) / 2, 255);
fwrite(lum_tab, 1, w * h, f);
h2 = h / 2;
w2 = w / 2;
cb = cb_tab;
cr = cr_tab;
for(i=0;i<h2;i++) {
for (i = 0; i < h2; i++) {
fwrite(cb, 1, w2, f);
fwrite(cr, 1, w2, f);
cb += w2;
@ -204,7 +210,7 @@ static void gen_image(int num, int w, int h)
unsigned int seed1;
if (num == 0) {
for(i=0;i<NB_OBJS;i++) {
for (i = 0; i < NB_OBJS; i++) {
objs[i].x = myrnd(&seed, w);
objs[i].y = myrnd(&seed, h);
objs[i].w = myrnd(&seed, w / 4) + 10;
@ -219,8 +225,8 @@ static void gen_image(int num, int w, int h)
/* test motion estimation */
dx = int_cos(num * FRAC_ONE / 50) * 35;
dy = int_cos(num * FRAC_ONE / 50 + FRAC_ONE / 10) * 30;
for(y=0;y<h;y++) {
for(x=0;x<w;x++) {
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
x1 = (x << FRAC_BITS) + dx;
y1 = (y << FRAC_BITS) + dy;
r = ((y1 * 7) >> FRAC_BITS) & 0xff;
@ -232,8 +238,8 @@ static void gen_image(int num, int w, int h)
/* then some noise with very high intensity to test saturation */
seed1 = num;
for(y=0;y<NOISE_W;y++) {
for(x=0;x<NOISE_W;x++) {
for (y = 0; y < NOISE_W; y++) {
for (x = 0; x < NOISE_W; x++) {
r = myrnd(&seed1, 256);
g = myrnd(&seed1, 256);
b = myrnd(&seed1, 256);
@ -242,11 +248,11 @@ static void gen_image(int num, int w, int h)
}
/* then moving objects */
for(i=0;i<NB_OBJS;i++) {
for (i = 0; i < NB_OBJS; i++) {
VObj *p = &objs[i];
seed1 = i;
for(y=0;y<p->h;y++) {
for(x=0;x<p->w;x++) {
for (y = 0; y < p->h; y++) {
for (x = 0; x < p->w; x++) {
r = p->r;
g = p->g;
b = p->b;
@ -281,7 +287,7 @@ int main(int argc, char **argv)
width = w;
height = h;
for(i=0;i<DEFAULT_NB_PICT;i++) {
for (i = 0; i < DEFAULT_NB_PICT; i++) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);
gen_image(i, w, h);
pgmyuv_save(buf, w, h, rgb_tab);

Write Preview
Loading…
Cancel
Save