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added first version of regression tests - simply type 'make test' to test every codec and some mux/demuxes - added simple synthetic audio and video bitstreams generators so that no big streams needs to be used
Originally committed as revision 532 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard
40
tests/Makefile
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40
tests/Makefile
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@@ -0,0 +1,40 @@
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#
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# Makefile for tests
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# (c) 2002 Gerard Lantau
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#
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include ../config.mak
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VPATH=$(SRC_PATH)/tests
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CFLAGS=-O2 -Wall -g
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REFFILE=$(SRC_PATH)/tests/ffmpeg.regression.ref
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all: test
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# fast regression tests for all codecs
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test mpeg4 mpeg: vsynth1/0.pgm asynth1.sw
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@$(SRC_PATH)/tests/regression.sh $@ $(REFFILE)
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# update the regression test with the current results
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updatetest:
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cp /tmp/ffmpeg.regression $(REFFILE)
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# video generation
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vsynth1/0.pgm: videogen
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@mkdir -p vsynth1
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./videogen 'vsynth1/'
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videogen: videogen.c
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$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<
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# audio generation
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asynth1.sw: audiogen
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./audiogen $@
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audiogen: audiogen.c
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$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<
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clean:
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rm -rf vsynth1
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rm -f asynth1.sw *~ audiogen videogen
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168
tests/audiogen.c
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168
tests/audiogen.c
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@@ -0,0 +1,168 @@
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/*
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* Generates a synthetic stereo sound
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* NOTE: no floats are used to guaranty a bit exact output.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#define NB_CHANNELS 2
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#define FE 44100
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static unsigned int myrnd(unsigned int *seed_ptr, int n)
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{
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unsigned int seed, val;
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seed = *seed_ptr;
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seed = (seed * 314159) + 1;
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if (n == 256) {
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val = seed >> 24;
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} else {
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val = seed % n;
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}
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*seed_ptr = seed;
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return val;
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}
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#define FRAC_BITS 16
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#define FRAC_ONE (1 << FRAC_BITS)
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#define COS_TABLE_BITS 7
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/* integer cosinus */
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static const unsigned short cos_table[(1 << COS_TABLE_BITS) + 2] = {
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0x8000, 0x7ffe, 0x7ff6, 0x7fea, 0x7fd9, 0x7fc2, 0x7fa7, 0x7f87,
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0x7f62, 0x7f38, 0x7f0a, 0x7ed6, 0x7e9d, 0x7e60, 0x7e1e, 0x7dd6,
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0x7d8a, 0x7d3a, 0x7ce4, 0x7c89, 0x7c2a, 0x7bc6, 0x7b5d, 0x7aef,
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0x7a7d, 0x7a06, 0x798a, 0x790a, 0x7885, 0x77fb, 0x776c, 0x76d9,
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0x7642, 0x75a6, 0x7505, 0x7460, 0x73b6, 0x7308, 0x7255, 0x719e,
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0x70e3, 0x7023, 0x6f5f, 0x6e97, 0x6dca, 0x6cf9, 0x6c24, 0x6b4b,
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0x6a6e, 0x698c, 0x68a7, 0x67bd, 0x66d0, 0x65de, 0x64e9, 0x63ef,
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0x62f2, 0x61f1, 0x60ec, 0x5fe4, 0x5ed7, 0x5dc8, 0x5cb4, 0x5b9d,
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0x5a82, 0x5964, 0x5843, 0x571e, 0x55f6, 0x54ca, 0x539b, 0x5269,
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0x5134, 0x4ffb, 0x4ec0, 0x4d81, 0x4c40, 0x4afb, 0x49b4, 0x486a,
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0x471d, 0x45cd, 0x447b, 0x4326, 0x41ce, 0x4074, 0x3f17, 0x3db8,
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0x3c57, 0x3af3, 0x398d, 0x3825, 0x36ba, 0x354e, 0x33df, 0x326e,
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0x30fc, 0x2f87, 0x2e11, 0x2c99, 0x2b1f, 0x29a4, 0x2827, 0x26a8,
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0x2528, 0x23a7, 0x2224, 0x209f, 0x1f1a, 0x1d93, 0x1c0c, 0x1a83,
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0x18f9, 0x176e, 0x15e2, 0x1455, 0x12c8, 0x113a, 0x0fab, 0x0e1c,
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0x0c8c, 0x0afb, 0x096b, 0x07d9, 0x0648, 0x04b6, 0x0324, 0x0192,
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0x0000, 0x0000,
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};
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#define CSHIFT (FRAC_BITS - COS_TABLE_BITS - 2)
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static int int_cos(int a)
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{
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int neg, v, f;
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const unsigned short *p;
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a = a & (FRAC_ONE - 1); /* modulo 2 * pi */
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if (a >= (FRAC_ONE / 2))
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a = FRAC_ONE - a;
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neg = 0;
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if (a > (FRAC_ONE / 4)) {
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neg = -1;
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a = (FRAC_ONE / 2) - a;
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}
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p = cos_table + (a >> CSHIFT);
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/* linear interpolation */
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f = a & ((1 << CSHIFT) - 1);
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v = p[0] + (((p[1] - p[0]) * f + (1 << (CSHIFT - 1))) >> CSHIFT);
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v = (v ^ neg) - neg;
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v = v << (FRAC_BITS - 15);
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return v;
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}
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FILE *outfile;
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void put_sample(int v)
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{
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fputc(v & 0xff, outfile);
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fputc((v >> 8) & 0xff, outfile);
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}
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int main(int argc, char **argv)
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{
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int i, a, v, j, f, amp, ampa;
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unsigned int seed = 1;
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int tabf1[NB_CHANNELS], tabf2[NB_CHANNELS];
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int taba[NB_CHANNELS];
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if (argc != 2) {
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printf("usage: %s file\n"
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"generate a test raw 16 bit stereo audio stream\n", argv[0]);
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exit(1);
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}
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outfile = fopen(argv[1], "w");
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if (!outfile) {
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perror(argv[1]);
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return 1;
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}
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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 * FE;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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put_sample(v);
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a += (1000 * FRAC_ONE) / FE;
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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 * FE;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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put_sample(v);
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f = 100 + (((10000 - 100) * i) / FE);
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a += (f * FRAC_ONE) / FE;
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}
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/* 0.5 second of low amplitude white noise */
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for(i=0;i<FE / 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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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<FE / 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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put_sample(v);
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}
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/* stereo : 2 unrelated ramps */
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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 * FE;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) / FE);
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taba[j] += (f * FRAC_ONE) / FE;
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}
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}
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/* stereo 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 * FE;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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v = (int_cos(a) * amp) >> FRAC_BITS;
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put_sample(v);
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a += (500 * FRAC_ONE) / FE;
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ampa += (2 * FRAC_ONE) / FE;
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}
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}
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fclose(outfile);
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return 0;
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}
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15
tests/ffmpeg.regression.ref
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15
tests/ffmpeg.regression.ref
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@@ -0,0 +1,15 @@
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ffmpeg regression test
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5f79a1de94818e085d283612c979209e /tmp/a-mpeg1.mpg
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ec8038d872249d000ef3ced8a929d852 /tmp/out.yuv
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0d2929a5ca7d59404ae302ceaef34ad0 /tmp/a-msmpeg4.avi
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78f75bae681ad659d8433be5c5be4355 /tmp/out.yuv
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dbdfcaec083cb2ff9484369d51b5dd37 /tmp/a-h263.avi
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dd556b4cab001f91594ed5198c0076e9 /tmp/out.yuv
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fa29e99ad3314a5ef6881f3fcad374e7 /tmp/a-odivx.avi
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42d47bf027f72cba83ea23b9755937bd /tmp/out.yuv
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ff06a0b59e445d2694185a08e1000801 /tmp/a-mjpeg.avi
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6551ec4dea416fa3e8f3538d206f236f /tmp/out.yuv
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21f8ff9f1daacd9133683bb4ea0f50a4 /tmp/a-mp2.mp2
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66ba0fcbf3ed6310d54a71611e16a59c /tmp/out.wav
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048b9c3444c788bac6ce5cc3a8f4db00 /tmp/a-ac3.rm
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ae59a9cf43ee96b3214567ce8a25aa31 /tmp/out.wav
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145
tests/regression.sh
Executable file
145
tests/regression.sh
Executable file
@@ -0,0 +1,145 @@
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#!/bin/sh
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#
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# automatic regression test for ffmpeg
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#
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#
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#set -x
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set -e
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# tests to do
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if [ "$1" = "mpeg4" ] ; then
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do_mpeg4=y
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elif [ "$1" = "mpeg" ] ; then
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do_mpeg=y
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else
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do_mpeg=y
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do_msmpeg4=y
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do_h263=y
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do_mpeg4=y
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do_mjpeg=y
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#do_rv10=y #broken!
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do_mp2=y
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do_ac3=y
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fi
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# various files
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ffmpeg="../ffmpeg"
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outfile="/tmp/a-"
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reffile="$2"
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logfile="/tmp/ffmpeg.regression"
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benchfile="/tmp/ffmpeg.bench"
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raw_src="vsynth1/%d.pgm"
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raw_dst="/tmp/out.yuv"
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pcm_src="asynth1.sw"
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pcm_dst="/tmp/out.wav"
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function do_ffmpeg ()
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{
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f="$1"
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shift
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echo $ffmpeg $*
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$ffmpeg -benchmark $* > /tmp/bench.tmp
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md5sum $f >> $logfile
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expr match "`cat /tmp/bench.tmp`" '.*utime=\(.*s\)' > /tmp/bench2.tmp
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echo `cat /tmp/bench2.tmp` $f >> $benchfile
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}
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echo "ffmpeg regression test" > $logfile
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echo "ffmpeg benchmarks" > $benchfile
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###################################
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if [ -n "$do_mpeg" ] ; then
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# mpeg1 encoding
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file=${outfile}mpeg1.mpg
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -f mpegvideo $file
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# mpeg1 decoding
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do_ffmpeg $raw_dst -y -f mpegvideo -i $file -f rawvideo $raw_dst
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# mpeg2 decoding
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#do_ffmpeg /tmp/out-mpeg2.yuv -y -f mpegvideo -i a.vob \
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# -f rawvideo /tmp/out-mpeg2.yuv
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fi
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###################################
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if [ -n "$do_msmpeg4" ] ; then
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# msmpeg4 encoding
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file=${outfile}msmpeg4.avi
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec msmpeg4 $file
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# msmpeg4 decoding
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do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
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fi
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###################################
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if [ -n "$do_h263" ] ; then
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# h263 encoding
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file=${outfile}h263.avi
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -s 352x288 -an -vcodec h263 $file
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# h263p decoding
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do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
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fi
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###################################
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if [ -n "$do_mpeg4" ] ; then
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# mpeg4
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file=${outfile}odivx.avi
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec mpeg4 $file
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# mpeg4 decoding
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do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
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fi
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###################################
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if [ -n "$do_mjpeg" ] ; then
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# mjpeg
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file=${outfile}mjpeg.avi
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec mjpeg $file
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# mjpeg decoding
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do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
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fi
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###################################
|
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if [ -n "$do_rv10" ] ; then
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# rv10 encoding
|
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file=${outfile}rv10.rm
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do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an $file
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|
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# rv10 decoding
|
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do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
|
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fi
|
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|
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###################################
|
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if [ -n "$do_mp2" ] ; then
|
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# mp2 encoding
|
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file=${outfile}mp2.mp2
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do_ffmpeg $file -y -ab 128 -ac 2 -ar 44100 -f s16le -i $pcm_src $file
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# mp2 decoding
|
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do_ffmpeg $pcm_dst -y -i $file -f wav $pcm_dst
|
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fi
|
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|
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###################################
|
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if [ -n "$do_ac3" ] ; then
|
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# ac3 encoding
|
||||
file=${outfile}ac3.rm
|
||||
do_ffmpeg $file -y -ab 128 -ac 2 -f s16le -i $pcm_src -vn $file
|
||||
|
||||
# ac3 decoding
|
||||
do_ffmpeg $pcm_dst -y -i $file -f wav $pcm_dst
|
||||
fi
|
||||
|
||||
|
||||
if diff -u $logfile $reffile ; then
|
||||
echo
|
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echo Regression test succeeded.
|
||||
exit 0
|
||||
else
|
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echo
|
||||
echo Regression test: Error.
|
||||
exit 1
|
||||
fi
|
||||
278
tests/videogen.c
Normal file
278
tests/videogen.c
Normal file
@@ -0,0 +1,278 @@
|
||||
/*
|
||||
* Generates a synthetic YUV video sequence suitable for codec testing.
|
||||
* NOTE: no floats are used to guaranty a bit exact output.
|
||||
*/
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#define SCALEBITS 8
|
||||
#define ONE_HALF (1 << (SCALEBITS - 1))
|
||||
#define FIX(x) ((int) ((x) * (1L<<SCALEBITS) + 0.5))
|
||||
typedef unsigned char UINT8;
|
||||
|
||||
static void rgb24_to_yuv420p(UINT8 *lum, UINT8 *cb, UINT8 *cr,
|
||||
UINT8 *src, int width, int height)
|
||||
{
|
||||
int wrap, wrap3, x, y;
|
||||
int r, g, b, r1, g1, b1;
|
||||
UINT8 *p;
|
||||
|
||||
wrap = width;
|
||||
wrap3 = width * 3;
|
||||
p = src;
|
||||
for(y=0;y<height;y+=2) {
|
||||
for(x=0;x<width;x+=2) {
|
||||
r = p[0];
|
||||
g = p[1];
|
||||
b = p[2];
|
||||
r1 = r;
|
||||
g1 = g;
|
||||
b1 = b;
|
||||
lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
|
||||
FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
|
||||
r = p[3];
|
||||
g = p[4];
|
||||
b = p[5];
|
||||
r1 += r;
|
||||
g1 += g;
|
||||
b1 += b;
|
||||
lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
|
||||
FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
|
||||
p += wrap3;
|
||||
lum += wrap;
|
||||
|
||||
r = p[0];
|
||||
g = p[1];
|
||||
b = p[2];
|
||||
r1 += r;
|
||||
g1 += g;
|
||||
b1 += b;
|
||||
lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
|
||||
FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
|
||||
r = p[3];
|
||||
g = p[4];
|
||||
b = p[5];
|
||||
r1 += r;
|
||||
g1 += g;
|
||||
b1 += b;
|
||||
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++;
|
||||
cr++;
|
||||
p += -wrap3 + 2 * 3;
|
||||
lum += -wrap + 2;
|
||||
}
|
||||
p += wrap3;
|
||||
lum += wrap;
|
||||
}
|
||||
}
|
||||
|
||||
/* cif format */
|
||||
#define DEFAULT_WIDTH 352
|
||||
#define DEFAULT_HEIGHT 288
|
||||
#define DEFAULT_NB_PICT 125 /* 5 seconds */
|
||||
|
||||
void pgmyuv_save(const char *filename, int w, int h,
|
||||
unsigned char *rgb_tab)
|
||||
{
|
||||
FILE *f;
|
||||
int i, h2, w2;
|
||||
unsigned char *cb, *cr;
|
||||
unsigned char *lum_tab, *cb_tab, *cr_tab;
|
||||
|
||||
lum_tab = malloc(w * h);
|
||||
cb_tab = malloc((w * h) / 4);
|
||||
cr_tab = malloc((w * h) / 4);
|
||||
|
||||
rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
|
||||
|
||||
f = fopen(filename,"w");
|
||||
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++) {
|
||||
fwrite(cb, 1, w2, f);
|
||||
fwrite(cr, 1, w2, f);
|
||||
cb += w2;
|
||||
cr += w2;
|
||||
}
|
||||
fclose(f);
|
||||
|
||||
free(lum_tab);
|
||||
free(cb_tab);
|
||||
free(cr_tab);
|
||||
}
|
||||
|
||||
unsigned char *rgb_tab;
|
||||
int width, height, wrap;
|
||||
|
||||
void put_pixel(int x, int y, int r, int g, int b)
|
||||
{
|
||||
unsigned char *p;
|
||||
|
||||
if (x < 0 || x >= width ||
|
||||
y < 0 || y >= height)
|
||||
return;
|
||||
|
||||
p = rgb_tab + y * wrap + x * 3;
|
||||
p[0] = r;
|
||||
p[1] = g;
|
||||
p[2] = b;
|
||||
}
|
||||
|
||||
static unsigned int myrnd(unsigned int *seed_ptr, int n)
|
||||
{
|
||||
unsigned int seed, val;
|
||||
|
||||
seed = *seed_ptr;
|
||||
seed = (seed * 314159) + 1;
|
||||
if (n == 256) {
|
||||
val = seed >> 24;
|
||||
} else {
|
||||
val = seed % n;
|
||||
}
|
||||
*seed_ptr = seed;
|
||||
return val;
|
||||
}
|
||||
|
||||
#define NOISE_X 10
|
||||
#define NOISE_Y 30
|
||||
#define NOISE_W 26
|
||||
|
||||
#define FRAC_BITS 8
|
||||
#define FRAC_ONE (1 << FRAC_BITS)
|
||||
|
||||
/* cosine approximate with 1-x^2 */
|
||||
int int_cos(int a)
|
||||
{
|
||||
int v, neg;
|
||||
a = a & (FRAC_ONE - 1);
|
||||
if (a >= (FRAC_ONE / 2))
|
||||
a = FRAC_ONE - a;
|
||||
neg = 0;
|
||||
if (a > (FRAC_ONE / 4)) {
|
||||
neg = -1;
|
||||
a = (FRAC_ONE / 2) - a;
|
||||
}
|
||||
v = FRAC_ONE - ((a * a) >> 4);
|
||||
v = (v ^ neg) - neg;
|
||||
return v;
|
||||
}
|
||||
|
||||
#define NB_OBJS 10
|
||||
|
||||
typedef struct VObj {
|
||||
int x, y, w, h;
|
||||
int r, g, b;
|
||||
} VObj;
|
||||
|
||||
VObj objs[NB_OBJS];
|
||||
|
||||
unsigned int seed = 1;
|
||||
|
||||
void gen_image(int num, int w, int h)
|
||||
{
|
||||
int r, g, b, x, y, i, dx, dy, x1, y1;
|
||||
unsigned int seed1;
|
||||
|
||||
if (num == 0) {
|
||||
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;
|
||||
objs[i].h = myrnd(&seed, h / 4) + 10;
|
||||
objs[i].r = myrnd(&seed, 256);
|
||||
objs[i].g = myrnd(&seed, 256);
|
||||
objs[i].b = myrnd(&seed, 256);
|
||||
}
|
||||
}
|
||||
|
||||
/* first a moving background with gradients */
|
||||
/* 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++) {
|
||||
x1 = (x << FRAC_BITS) + dx;
|
||||
y1 = (y << FRAC_BITS) + dx;
|
||||
r = ((y1 * 7) >> FRAC_BITS) & 0xff;
|
||||
g = (((x1 + y1) * 9) >> FRAC_BITS) & 0xff;
|
||||
b = ((x1 * 5) >> FRAC_BITS) & 0xff;
|
||||
put_pixel(x, y, r, g, b);
|
||||
}
|
||||
}
|
||||
|
||||
/* 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++) {
|
||||
r = myrnd(&seed1, 256);
|
||||
g = myrnd(&seed1, 256);
|
||||
b = myrnd(&seed1, 256);
|
||||
put_pixel(x + NOISE_X, y + NOISE_Y, r, g, b);
|
||||
}
|
||||
}
|
||||
|
||||
/* then moving objects */
|
||||
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++) {
|
||||
r = p->r;
|
||||
g = p->g;
|
||||
b = p->b;
|
||||
/* add a per object noise */
|
||||
r += myrnd(&seed1, 50);
|
||||
g += myrnd(&seed1, 50);
|
||||
b += myrnd(&seed1, 50);
|
||||
put_pixel(x + p->x, y + p->y, r, g, b);
|
||||
}
|
||||
}
|
||||
p->x += myrnd(&seed, 21) - 10;
|
||||
p->y += myrnd(&seed, 21) - 10;
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int w, h, i;
|
||||
char buf[1024];
|
||||
|
||||
if (argc != 2) {
|
||||
printf("usage: %s file\n"
|
||||
"generate a test video stream\n", argv[0]);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
#if 0
|
||||
for(i=0;i<256;i++)
|
||||
printf("cos(%d)=%d\n", i, int_cos(i));
|
||||
#endif
|
||||
|
||||
w = DEFAULT_WIDTH;
|
||||
h = DEFAULT_HEIGHT;
|
||||
|
||||
rgb_tab = malloc(w * h * 3);
|
||||
wrap = w * 3;
|
||||
width = w;
|
||||
height = h;
|
||||
|
||||
for(i=0;i<DEFAULT_NB_PICT;i++) {
|
||||
snprintf(buf, sizeof(buf), "%s%d.pgm", argv[1], i);
|
||||
gen_image(i, w, h);
|
||||
pgmyuv_save(buf, w, h, rgb_tab);
|
||||
}
|
||||
|
||||
free(rgb_tab);
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user