mirror of
https://github.com/FFmpeg/FFmpeg.git
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tests: K&R formatting cosmetics for test programs
This commit is contained in:
Gaurav Narula
Diego Biurrun
parent
aa2e4bb058
commit
b481bbc32a
@ -139,45 +139,45 @@ int main(int argc, char **argv)
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/* 1 second of single freq sinus at 1000 Hz */
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a = 0;
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for(i=0;i<1 * sample_rate;i++) {
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for (i = 0; i < 1 * sample_rate; i++) {
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v = (int_cos(a) * 10000) >> FRAC_BITS;
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for(j=0;j<nb_channels;j++)
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for (j = 0; j < nb_channels; j++)
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put_sample(v);
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a += (1000 * FRAC_ONE) / sample_rate;
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}
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/* 1 second of varing frequency between 100 and 10000 Hz */
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a = 0;
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for(i=0;i<1 * sample_rate;i++) {
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for (i = 0; i < 1 * sample_rate; i++) {
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v = (int_cos(a) * 10000) >> FRAC_BITS;
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for(j=0;j<nb_channels;j++)
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for (j = 0; j < nb_channels; j++)
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put_sample(v);
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f = 100 + (((10000 - 100) * i) / sample_rate);
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a += (f * FRAC_ONE) / sample_rate;
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}
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/* 0.5 second of low amplitude white noise */
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for(i=0;i<sample_rate / 2;i++) {
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for (i = 0; i < sample_rate / 2; i++) {
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v = myrnd(&seed, 20000) - 10000;
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for(j=0;j<nb_channels;j++)
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for (j = 0; j < nb_channels; j++)
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put_sample(v);
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}
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/* 0.5 second of high amplitude white noise */
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for(i=0;i<sample_rate / 2;i++) {
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for (i = 0; i < sample_rate / 2; i++) {
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v = myrnd(&seed, 65535) - 32768;
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for(j=0;j<nb_channels;j++)
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for (j = 0; j < nb_channels; j++)
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put_sample(v);
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}
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/* 1 second of unrelated ramps for each channel */
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for(j=0;j<nb_channels;j++) {
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for (j = 0; j < nb_channels; j++) {
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taba[j] = 0;
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tabf1[j] = 100 + myrnd(&seed, 5000);
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tabf2[j] = 100 + myrnd(&seed, 5000);
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}
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for(i=0;i<1 * sample_rate;i++) {
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for(j=0;j<nb_channels;j++) {
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for (i = 0; i < 1 * sample_rate; i++) {
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for (j = 0; j < nb_channels; j++) {
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v = (int_cos(taba[j]) * 10000) >> FRAC_BITS;
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put_sample(v);
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f = tabf1[j] + (((tabf2[j] - tabf1[j]) * i) / sample_rate);
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@ -188,8 +188,8 @@ int main(int argc, char **argv)
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/* 2 seconds of 500 Hz with varying volume */
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a = 0;
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ampa = 0;
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for(i=0;i<2 * sample_rate;i++) {
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for(j=0;j<nb_channels;j++) {
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for (i = 0; i < 2 * sample_rate; i++) {
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for (j = 0; j < nb_channels; j++) {
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amp = ((FRAC_ONE + int_cos(ampa)) * 5000) >> FRAC_BITS;
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if (j & 1)
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amp = 10000 - amp;
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@ -31,7 +31,8 @@ int main(void)
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int out_len = 0;
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int in;
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#define putb64() do { \
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#define putb64() \
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do { \
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putchar(b64[(i_bits << 6 >> i_shift) & 0x3f]); \
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out_len++; \
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i_shift -= 6; \
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@ -25,7 +25,7 @@
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#include <inttypes.h>
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#define FIXP (1 << 16)
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#define MY_PI 205887 //(M_PI * FIX)
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#define MY_PI 205887 // (M_PI * FIX)
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static int64_t int_pow(int64_t a, int p)
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{
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@ -47,7 +47,7 @@ static int64_t int_sin(int64_t a)
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if (a >= MY_PI * 3 / 2)
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a -= 2 * MY_PI; // -PI / 2 .. 3PI / 2
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if (a >= MY_PI /2)
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if (a >= MY_PI / 2)
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a = MY_PI - a; // -PI / 2 .. PI / 2
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return a - int_pow(a, 3) / 6 + int_pow(a, 5) / 120 - int_pow(a, 7) / 5040;
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@ -181,8 +181,8 @@ unsigned char tab_r[256 * 256];
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unsigned char tab_g[256 * 256];
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unsigned char tab_b[256 * 256];
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int h_cos [360];
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int h_sin [360];
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int h_cos[360];
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int h_sin[360];
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static int ipol(uint8_t *src, int x, int y)
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{
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@ -202,8 +202,8 @@ static int ipol(uint8_t *src, int x, int y)
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static void gen_image(int num, int w, int h)
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{
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const int c = h_cos [num % 360];
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const int s = h_sin [num % 360];
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const int c = h_cos[num % 360];
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const int s = h_sin[num % 360];
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const int xi = -(w / 2) * c;
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const int yi = (w / 2) * s;
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@ -223,10 +223,13 @@ static void gen_image(int num, int w, int h)
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y = yprime + yi + FIXP * h / 2;
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yprime += c;
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for (i = 0; i < w; i++ ) {
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for (i = 0; i < w; i++) {
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x += c;
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y -= s;
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put_pixel(i, j, ipol(tab_r, x, y), ipol(tab_g, x, y), ipol(tab_b, x, y));
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put_pixel(i, j,
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ipol(tab_r, x, y),
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ipol(tab_g, x, y),
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ipol(tab_b, x, y));
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}
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}
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}
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@ -265,7 +268,7 @@ static int init_demo(const char *filename)
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/* tables sin/cos */
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for (i = 0; i < 360; i++) {
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radian = 2 * i * MY_PI / 360;
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h = 2 * FIXP + int_sin (radian);
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h = 2 * FIXP + int_sin(radian);
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h_cos[i] = h * int_sin(radian + MY_PI / 2) / 2 / FIXP;
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h_sin[i] = h * int_sin(radian) / 2 / FIXP;
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}
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@ -24,11 +24,11 @@
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#include <inttypes.h>
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#include <assert.h>
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#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
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#define FFMIN(a, b) ((a) > (b) ? (b) : (a))
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#define F 100
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#define SIZE 2048
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uint64_t exp16_table[21]={
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uint64_t exp16_table[21] = {
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65537,
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65538,
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65540,
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@ -53,63 +53,66 @@ uint64_t exp16_table[21]={
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};
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// 16.16 fixpoint log()
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static int64_t log16(uint64_t a){
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static int64_t log16(uint64_t a)
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{
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int i;
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int out=0;
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int out = 0;
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if(a < 1<<16)
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return -log16((1LL<<32) / a);
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a<<=16;
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if (a < 1 << 16)
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return -log16((1LL << 32) / a);
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a <<= 16;
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for(i=20;i>=0;i--){
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int64_t b= exp16_table[i];
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if(a<(b<<16)) continue;
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out |= 1<<i;
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a = ((a/b)<<16) + (((a%b)<<16) + b/2)/b;
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for (i = 20; i >= 0; i--) {
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int64_t b = exp16_table[i];
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if (a < (b << 16))
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continue;
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out |= 1 << i;
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a = ((a / b) << 16) + (((a % b) << 16) + b / 2) / b;
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}
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return out;
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}
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static uint64_t int_sqrt(uint64_t a)
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{
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uint64_t ret=0;
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uint64_t ret = 0;
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uint64_t ret_sq = 0;
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int s;
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uint64_t ret_sq=0;
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for(s=31; s>=0; s--){
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uint64_t b= ret_sq + (1ULL<<(s*2)) + (ret<<s)*2;
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if(b<=a){
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ret_sq=b;
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ret+= 1ULL<<s;
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for (s = 31; s >= 0; s--) {
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uint64_t b = ret_sq + (1ULL << (s * 2)) + (ret << s) * 2;
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if (b <= a) {
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ret_sq = b;
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ret += 1ULL << s;
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}
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}
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return ret;
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}
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int main(int argc,char* argv[]){
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int main(int argc, char *argv[])
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{
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int i, j;
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uint64_t sse=0;
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uint64_t sse = 0;
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uint64_t dev;
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FILE *f[2];
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uint8_t buf[2][SIZE];
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uint64_t psnr;
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int len= argc<4 ? 1 : atoi(argv[3]);
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int64_t max= (1<<(8*len))-1;
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int shift= argc<5 ? 0 : atoi(argv[4]);
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int skip_bytes = argc<6 ? 0 : atoi(argv[5]);
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int size0=0;
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int size1=0;
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int len = argc < 4 ? 1 : atoi(argv[3]);
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int64_t max = (1 << (8 * len)) - 1;
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int shift = argc < 5 ? 0 : atoi(argv[4]);
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int skip_bytes = argc < 6 ? 0 : atoi(argv[5]);
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int size0 = 0;
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int size1 = 0;
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int maxdist = 0;
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if(argc<3){
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if (argc < 3) {
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printf("tiny_psnr <file1> <file2> [<elem size> [<shift> [<skip bytes>]]]\n");
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printf("WAV headers are skipped automatically.\n");
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return 1;
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}
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f[0]= fopen(argv[1], "rb");
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f[1]= fopen(argv[2], "rb");
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if(!f[0] || !f[1]){
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f[0] = fopen(argv[1], "rb");
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f[1] = fopen(argv[2], "rb");
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if (!f[0] || !f[1]) {
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fprintf(stderr, "Could not open input files.\n");
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return 1;
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}
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@ -119,11 +122,11 @@ int main(int argc,char* argv[]){
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if (fread(p, 1, 12, f[i]) != 12)
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return 1;
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if (!memcmp(p, "RIFF", 4) &&
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!memcmp(p+8, "WAVE", 4)) {
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!memcmp(p + 8, "WAVE", 4)) {
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if (fread(p, 1, 8, f[i]) != 8)
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return 1;
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while (memcmp(p, "data", 4)) {
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int s = p[4] | p[5]<<8 | p[6]<<16 | p[7]<<24;
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int s = p[4] | p[5] << 8 | p[6] << 16 | p[7] << 24;
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fseek(f[i], s, SEEK_CUR);
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if (fread(p, 1, 8, f[i]) != 8)
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return 1;
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@ -133,47 +136,47 @@ int main(int argc,char* argv[]){
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}
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}
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fseek(f[shift<0], abs(shift), SEEK_CUR);
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fseek(f[shift < 0], abs(shift), SEEK_CUR);
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fseek(f[0],skip_bytes,SEEK_CUR);
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fseek(f[1],skip_bytes,SEEK_CUR);
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fseek(f[0], skip_bytes, SEEK_CUR);
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fseek(f[1], skip_bytes, SEEK_CUR);
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for(;;){
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int s0= fread(buf[0], 1, SIZE, f[0]);
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int s1= fread(buf[1], 1, SIZE, f[1]);
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for (;;) {
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int s0 = fread(buf[0], 1, SIZE, f[0]);
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int s1 = fread(buf[1], 1, SIZE, f[1]);
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for(j=0; j<FFMIN(s0,s1); j++){
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int64_t a= buf[0][j];
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int64_t b= buf[1][j];
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for (j = 0; j < FFMIN(s0, s1); j++) {
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int64_t a = buf[0][j];
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int64_t b = buf[1][j];
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int dist;
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if(len==2){
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a= (int16_t)(a | (buf[0][++j]<<8));
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b= (int16_t)(b | (buf[1][ j]<<8));
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if (len == 2) {
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a = (int16_t)(a | (buf[0][++j] << 8));
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b = (int16_t)(b | (buf[1][ j] << 8));
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}
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sse += (a-b) * (a-b);
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dist = abs(a-b);
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if (dist > maxdist) maxdist = dist;
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sse += (a - b) * (a - b);
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dist = abs(a - b);
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if (dist > maxdist)
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maxdist = dist;
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}
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size0 += s0;
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size1 += s1;
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if(s0+s1<=0)
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if (s0 + s1 <= 0)
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break;
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}
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i= FFMIN(size0,size1)/len;
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if(!i) i=1;
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dev= int_sqrt( ((sse/i)*F*F) + (((sse%i)*F*F) + i/2)/i );
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if(sse)
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psnr= ((2*log16(max<<16) + log16(i) - log16(sse))*284619LL*F + (1LL<<31)) / (1LL<<32);
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i = FFMIN(size0, size1) / len;
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if (!i)
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i = 1;
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dev = int_sqrt(((sse / i) * F * F) + (((sse % i) * F * F) + i / 2) / i);
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if (sse)
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psnr = ((2 * log16(max << 16) + log16(i) - log16(sse)) *
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284619LL * F + (1LL << 31)) / (1LL << 32);
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else
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psnr= 1000*F-1; //floating point free infinity :)
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psnr = 1000 * F - 1; // floating point free infinity :)
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printf("stddev:%5d.%02d PSNR:%3d.%02d MAXDIFF:%5d bytes:%9d/%9d\n",
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(int)(dev/F), (int)(dev%F),
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(int)(psnr/F), (int)(psnr%F),
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maxdist,
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size0, size1);
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(int)(dev / F), (int)(dev % F),
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(int)(psnr / F), (int)(psnr % F),
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maxdist, size0, size1);
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return 0;
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}
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@ -27,7 +27,7 @@
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#define SCALEBITS 8
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#define ONE_HALF (1 << (SCALEBITS - 1))
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#define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5))
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#define FIX(x) ((int) ((x) * (1L << SCALEBITS) + 0.5))
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static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
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uint8_t *src, int width, int height)
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@ -39,8 +39,8 @@ static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
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wrap = width;
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wrap3 = width * 3;
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p = src;
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for(y=0;y<height;y+=2) {
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for(x=0;x<width;x+=2) {
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for (y = 0; y < height; y += 2) {
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for (x = 0; x < width; x += 2) {
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r = p[0];
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g = p[1];
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b = p[2];
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@ -77,10 +77,16 @@ static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
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lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
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FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
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cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
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FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
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FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
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cb[0] = 128 + ((- FIX(0.16874) * r1 -
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FIX(0.33126) * g1 +
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FIX(0.50000) * b1 +
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4 * ONE_HALF - 1)
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>> (SCALEBITS + 2));
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cr[0] = 128 + ((FIX(0.50000) * r1 -
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FIX(0.41869) * g1 -
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FIX(0.08131) * b1 +
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4 * ONE_HALF - 1)
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>> (SCALEBITS + 2));
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cb++;
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cr++;
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@ -111,14 +117,14 @@ static void pgmyuv_save(const char *filename, int w, int h,
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rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
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f = fopen(filename,"wb");
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f = fopen(filename, "wb");
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fprintf(f, "P5\n%d %d\n%d\n", w, (h * 3) / 2, 255);
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fwrite(lum_tab, 1, w * h, f);
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h2 = h / 2;
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w2 = w / 2;
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cb = cb_tab;
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cr = cr_tab;
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for(i=0;i<h2;i++) {
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for (i = 0; i < h2; i++) {
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fwrite(cb, 1, w2, f);
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fwrite(cr, 1, w2, f);
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cb += w2;
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@ -204,7 +210,7 @@ static void gen_image(int num, int w, int h)
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unsigned int seed1;
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if (num == 0) {
|
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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);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user