falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
Browse Source

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
tags/v0.5
Fabrice Bellard 23 years ago
parent
0f1578afcc
commit
51133a7db0
5 changed files with 646 additions and 0 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +40
    -0
      tests/Makefile
  2. +168
    -0
      tests/audiogen.c
  3. +15
    -0
      tests/ffmpeg.regression.ref
  4. +145
    -0
      tests/regression.sh
  5. +278
    -0
      tests/videogen.c

+ 40
- 0
tests/Makefile View File

@@ -0,0 +1,40 @@
#
# Makefile for tests
# (c) 2002 Gerard Lantau
#
include ../config.mak

VPATH=$(SRC_PATH)/tests
CFLAGS=-O2 -Wall -g
REFFILE=$(SRC_PATH)/tests/ffmpeg.regression.ref

all: test

# fast regression tests for all codecs
test mpeg4 mpeg: vsynth1/0.pgm asynth1.sw
@$(SRC_PATH)/tests/regression.sh $@ $(REFFILE)

# update the regression test with the current results
updatetest:
cp /tmp/ffmpeg.regression $(REFFILE)

# video generation

vsynth1/0.pgm: videogen
@mkdir -p vsynth1
./videogen 'vsynth1/'

videogen: videogen.c
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<

# audio generation

asynth1.sw: audiogen
./audiogen $@

audiogen: audiogen.c
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<

clean:
rm -rf vsynth1
rm -f asynth1.sw *~ audiogen videogen

+ 168
- 0
tests/audiogen.c View File

@@ -0,0 +1,168 @@
/*
* Generates a synthetic stereo sound
* NOTE: no floats are used to guaranty a bit exact output.
*/
#include <stdlib.h>
#include <stdio.h>

#define NB_CHANNELS 2
#define FE 44100

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 FRAC_BITS 16
#define FRAC_ONE (1 << FRAC_BITS)

#define COS_TABLE_BITS 7

/* integer cosinus */
static const unsigned short cos_table[(1 << COS_TABLE_BITS) + 2] = {
0x8000, 0x7ffe, 0x7ff6, 0x7fea, 0x7fd9, 0x7fc2, 0x7fa7, 0x7f87,
0x7f62, 0x7f38, 0x7f0a, 0x7ed6, 0x7e9d, 0x7e60, 0x7e1e, 0x7dd6,
0x7d8a, 0x7d3a, 0x7ce4, 0x7c89, 0x7c2a, 0x7bc6, 0x7b5d, 0x7aef,
0x7a7d, 0x7a06, 0x798a, 0x790a, 0x7885, 0x77fb, 0x776c, 0x76d9,
0x7642, 0x75a6, 0x7505, 0x7460, 0x73b6, 0x7308, 0x7255, 0x719e,
0x70e3, 0x7023, 0x6f5f, 0x6e97, 0x6dca, 0x6cf9, 0x6c24, 0x6b4b,
0x6a6e, 0x698c, 0x68a7, 0x67bd, 0x66d0, 0x65de, 0x64e9, 0x63ef,
0x62f2, 0x61f1, 0x60ec, 0x5fe4, 0x5ed7, 0x5dc8, 0x5cb4, 0x5b9d,
0x5a82, 0x5964, 0x5843, 0x571e, 0x55f6, 0x54ca, 0x539b, 0x5269,
0x5134, 0x4ffb, 0x4ec0, 0x4d81, 0x4c40, 0x4afb, 0x49b4, 0x486a,
0x471d, 0x45cd, 0x447b, 0x4326, 0x41ce, 0x4074, 0x3f17, 0x3db8,
0x3c57, 0x3af3, 0x398d, 0x3825, 0x36ba, 0x354e, 0x33df, 0x326e,
0x30fc, 0x2f87, 0x2e11, 0x2c99, 0x2b1f, 0x29a4, 0x2827, 0x26a8,
0x2528, 0x23a7, 0x2224, 0x209f, 0x1f1a, 0x1d93, 0x1c0c, 0x1a83,
0x18f9, 0x176e, 0x15e2, 0x1455, 0x12c8, 0x113a, 0x0fab, 0x0e1c,
0x0c8c, 0x0afb, 0x096b, 0x07d9, 0x0648, 0x04b6, 0x0324, 0x0192,
0x0000, 0x0000,
};

#define CSHIFT (FRAC_BITS - COS_TABLE_BITS - 2)

static int int_cos(int a)
{
int neg, v, f;
const unsigned short *p;

a = a & (FRAC_ONE - 1); /* modulo 2 * pi */
if (a >= (FRAC_ONE / 2))
a = FRAC_ONE - a;
neg = 0;
if (a > (FRAC_ONE / 4)) {
neg = -1;
a = (FRAC_ONE / 2) - a;
}
p = cos_table + (a >> CSHIFT);
/* linear interpolation */
f = a & ((1 << CSHIFT) - 1);
v = p[0] + (((p[1] - p[0]) * f + (1 << (CSHIFT - 1))) >> CSHIFT);
v = (v ^ neg) - neg;
v = v << (FRAC_BITS - 15);
return v;
}

FILE *outfile;

void put_sample(int v)
{
fputc(v & 0xff, outfile);
fputc((v >> 8) & 0xff, outfile);
}

int main(int argc, char **argv)
{
int i, a, v, j, f, amp, ampa;
unsigned int seed = 1;
int tabf1[NB_CHANNELS], tabf2[NB_CHANNELS];
int taba[NB_CHANNELS];

if (argc != 2) {
printf("usage: %s file\n"
"generate a test raw 16 bit stereo audio stream\n", argv[0]);
exit(1);
}
outfile = fopen(argv[1], "w");
if (!outfile) {
perror(argv[1]);
return 1;
}

/* 1 second of single freq sinus at 1000 Hz */
a = 0;
for(i=0;i<1 * FE;i++) {
v = (int_cos(a) * 10000) >> FRAC_BITS;
for(j=0;j<NB_CHANNELS;j++)
put_sample(v);
a += (1000 * FRAC_ONE) / FE;
}

/* 1 second of varing frequency between 100 and 10000 Hz */
a = 0;
for(i=0;i<1 * FE;i++) {
v = (int_cos(a) * 10000) >> FRAC_BITS;
for(j=0;j<NB_CHANNELS;j++)
put_sample(v);
f = 100 + (((10000 - 100) * i) / FE);
a += (f * FRAC_ONE) / FE;
}
/* 0.5 second of low amplitude white noise */
for(i=0;i<FE / 2;i++) {
v = myrnd(&seed, 20000) - 10000;
for(j=0;j<NB_CHANNELS;j++)
put_sample(v);
}

/* 0.5 second of high amplitude white noise */
for(i=0;i<FE / 2;i++) {
v = myrnd(&seed, 65535) - 32768;
for(j=0;j<NB_CHANNELS;j++)
put_sample(v);
}

/* stereo : 2 unrelated ramps */
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 * FE;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) / FE);
taba[j] += (f * FRAC_ONE) / FE;
}
}
/* stereo 500 Hz with varying volume */
a = 0;
ampa = 0;
for(i=0;i<2 * FE;i++) {
for(j=0;j<NB_CHANNELS;j++) {
amp = ((FRAC_ONE + int_cos(ampa)) * 5000) >> FRAC_BITS;
if (j & 1)
amp = 10000 - amp;
v = (int_cos(a) * amp) >> FRAC_BITS;
put_sample(v);
a += (500 * FRAC_ONE) / FE;
ampa += (2 * FRAC_ONE) / FE;
}
}

fclose(outfile);
return 0;
}

+ 15
- 0
tests/ffmpeg.regression.ref View File

@@ -0,0 +1,15 @@
ffmpeg regression test
5f79a1de94818e085d283612c979209e /tmp/a-mpeg1.mpg
ec8038d872249d000ef3ced8a929d852 /tmp/out.yuv
0d2929a5ca7d59404ae302ceaef34ad0 /tmp/a-msmpeg4.avi
78f75bae681ad659d8433be5c5be4355 /tmp/out.yuv
dbdfcaec083cb2ff9484369d51b5dd37 /tmp/a-h263.avi
dd556b4cab001f91594ed5198c0076e9 /tmp/out.yuv
fa29e99ad3314a5ef6881f3fcad374e7 /tmp/a-odivx.avi
42d47bf027f72cba83ea23b9755937bd /tmp/out.yuv
ff06a0b59e445d2694185a08e1000801 /tmp/a-mjpeg.avi
6551ec4dea416fa3e8f3538d206f236f /tmp/out.yuv
21f8ff9f1daacd9133683bb4ea0f50a4 /tmp/a-mp2.mp2
66ba0fcbf3ed6310d54a71611e16a59c /tmp/out.wav
048b9c3444c788bac6ce5cc3a8f4db00 /tmp/a-ac3.rm
ae59a9cf43ee96b3214567ce8a25aa31 /tmp/out.wav

+ 145
- 0
tests/regression.sh View File

@@ -0,0 +1,145 @@
#!/bin/sh
#
# automatic regression test for ffmpeg
#
#
#set -x
set -e

# tests to do
if [ "$1" = "mpeg4" ] ; then
do_mpeg4=y
elif [ "$1" = "mpeg" ] ; then
do_mpeg=y
else
do_mpeg=y
do_msmpeg4=y
do_h263=y
do_mpeg4=y
do_mjpeg=y
#do_rv10=y #broken!
do_mp2=y
do_ac3=y
fi


# various files
ffmpeg="../ffmpeg"
outfile="/tmp/a-"
reffile="$2"
logfile="/tmp/ffmpeg.regression"
benchfile="/tmp/ffmpeg.bench"
raw_src="vsynth1/%d.pgm"
raw_dst="/tmp/out.yuv"
pcm_src="asynth1.sw"
pcm_dst="/tmp/out.wav"

function do_ffmpeg ()
{
f="$1"
shift
echo $ffmpeg $*
$ffmpeg -benchmark $* > /tmp/bench.tmp
md5sum $f >> $logfile
expr match "`cat /tmp/bench.tmp`" '.*utime=\(.*s\)' > /tmp/bench2.tmp
echo `cat /tmp/bench2.tmp` $f >> $benchfile
}


echo "ffmpeg regression test" > $logfile
echo "ffmpeg benchmarks" > $benchfile

###################################
if [ -n "$do_mpeg" ] ; then
# mpeg1 encoding
file=${outfile}mpeg1.mpg
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -f mpegvideo $file

# mpeg1 decoding
do_ffmpeg $raw_dst -y -f mpegvideo -i $file -f rawvideo $raw_dst

# mpeg2 decoding
#do_ffmpeg /tmp/out-mpeg2.yuv -y -f mpegvideo -i a.vob \
# -f rawvideo /tmp/out-mpeg2.yuv
fi

###################################
if [ -n "$do_msmpeg4" ] ; then
# msmpeg4 encoding
file=${outfile}msmpeg4.avi
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec msmpeg4 $file

# msmpeg4 decoding
do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
fi

###################################
if [ -n "$do_h263" ] ; then
# h263 encoding
file=${outfile}h263.avi
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -s 352x288 -an -vcodec h263 $file

# h263p decoding
do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
fi

###################################
if [ -n "$do_mpeg4" ] ; then
# mpeg4
file=${outfile}odivx.avi
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec mpeg4 $file

# mpeg4 decoding
do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
fi

###################################
if [ -n "$do_mjpeg" ] ; then
# mjpeg
file=${outfile}mjpeg.avi
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an -vcodec mjpeg $file

# mjpeg decoding
do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
fi

###################################
if [ -n "$do_rv10" ] ; then
# rv10 encoding
file=${outfile}rv10.rm
do_ffmpeg $file -y -qscale 10 -f pgmyuv -i $raw_src -an $file

# rv10 decoding
do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
fi

###################################
if [ -n "$do_mp2" ] ; then
# mp2 encoding
file=${outfile}mp2.mp2
do_ffmpeg $file -y -ab 128 -ac 2 -ar 44100 -f s16le -i $pcm_src $file

# mp2 decoding
do_ffmpeg $pcm_dst -y -i $file -f wav $pcm_dst
fi

###################################
if [ -n "$do_ac3" ] ; then
# ac3 encoding
file=${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
echo Regression test succeeded.
exit 0
else
echo
echo Regression test: Error.
exit 1
fi

+ 278
- 0
tests/videogen.c View 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;
}

Write Preview
Loading…
Cancel
Save