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ffmpeg.wasm-core
Commit 4299f085 authored by Michael Niedermayer's avatar Michael Niedermayer
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avcodec/jpeg2000dwt: also test 9/7 float DWT 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 6528b90d
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Showing with 64 additions and 2 deletions
libavcodec/jpeg2000dwt.c
View file @ 4299f085
......@@ -188,7 +188,6 @@ static void dwt_encode97_float(DWTContext *s, float *t)
lp;
float *l;
av_assert1(!mh && !mv);
// HOR_SD
l = line + mh;
for (lp = 0; lp < lv; lp++){
......@@ -651,9 +650,49 @@ static int test_dwt(int *array, int *ref, uint16_t border[2][2], int decomp_leve
return 0;
}
static int test_dwtf(float *array, float *ref, uint16_t border[2][2], int decomp_levels, float max_diff) {
int ret, j;
DWTContext s1={{{0}}}, *s= &s1;
double err2 = 0;
ret = ff_jpeg2000_dwt_init(s, border, decomp_levels, FF_DWT97);
if (ret < 0) {
fprintf(stderr, "ff_jpeg2000_dwt_init failed\n");
return 1;
}
ret = ff_dwt_encode(s, array);
if (ret < 0) {
fprintf(stderr, "ff_dwt_encode failed\n");
return 1;
}
ret = ff_dwt_decode(s, array);
if (ret < 0) {
fprintf(stderr, "ff_dwt_encode failed\n");
return 1;
}
for (j = 0; j<MAX_W * MAX_W; j++) {
if (FFABS(array[j] - ref[j]) > max_diff) {
fprintf(stderr, "missmatch at %d (%f != %f) decomp:%d border %d %d %d %d\n",
j, array[j], ref[j],decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1]);
return 2;
}
err2 += (array[j] - ref[j]) * (array[j] - ref[j]);
array[j] = ref[j];
}
ff_dwt_destroy(s);
printf("9/7f, decomp:%2d border %3d %3d %3d %3d err2:%20.4f\n",
decomp_levels, border[0][0], border[0][1], border[1][0], border[1][1],
err2 / ((border[0][1] - border[0][0])*(border[1][1] - border[1][0])));
return 0;
}
int main(void) {
int array[MAX_W * MAX_W];
int ref [MAX_W * MAX_W];
float arrayf[MAX_W * MAX_W];
float reff [MAX_W * MAX_W];
AVLFG prng;
int i,j;
uint16_t border[2][2];
......@@ -662,7 +701,7 @@ int main(void) {
av_lfg_init(&prng, 1);
for (i = 0; i<MAX_W * MAX_W; i++)
array[i] = ref[i] = av_lfg_get(&prng) % 2048;
arrayf[i] = reff[i] = array[i] = ref[i] = av_lfg_get(&prng) % 2048;
for (i = 0; i < 100; i++) {
for (j=0; j<4; j++)
......@@ -677,6 +716,9 @@ int main(void) {
ret = test_dwt(array, ref, border, decomp_levels, FF_DWT97_INT, FFMIN(7+5*decomp_levels, 15+3*decomp_levels));
if (ret)
return ret;
ret = test_dwtf(arrayf, reff, border, decomp_levels, 1.0);
if (ret)
return ret;
}
return 0;
......
tests/ref/fate/j2k-dwt
View file @ 4299f085
5/3i, decomp:15 border 151 170 140 183 milli-err2: 0
9/7i, decomp:15 border 151 170 140 183 milli-err2: 13030
9/7f, decomp:15 border 151 170 140 183 err2: 0.2626
5/3i, decomp:21 border 173 201 81 189 milli-err2: 0
9/7i, decomp:21 border 173 201 81 189 milli-err2: 21587
9/7f, decomp:21 border 173 201 81 189 err2: 0.3460
5/3i, decomp:22 border 213 227 76 245 milli-err2: 0
9/7i, decomp:22 border 213 227 76 245 milli-err2: 13454
9/7f, decomp:22 border 213 227 76 245 err2: 0.2393
5/3i, decomp:13 border 134 157 184 203 milli-err2: 0
9/7i, decomp:13 border 134 157 184 203 milli-err2: 19745
9/7f, decomp:13 border 134 157 184 203 err2: 0.1715
5/3i, decomp: 1 border 204 237 6 106 milli-err2: 0
9/7i, decomp: 1 border 204 237 6 106 milli-err2: 2236
9/7f, decomp: 1 border 204 237 6 106 err2: 0.0063
5/3i, decomp:28 border 76 211 13 210 milli-err2: 0
9/7i, decomp:28 border 76 211 13 210 milli-err2: 22341
9/7f, decomp:28 border 76 211 13 210 err2: 0.3931
5/3i, decomp:21 border 76 99 43 123 milli-err2: 0
9/7i, decomp:21 border 76 99 43 123 milli-err2: 15450
9/7f, decomp:21 border 76 99 43 123 err2: 0.2005
5/3i, decomp:15 border 192 243 174 204 milli-err2: 0
9/7i, decomp:15 border 192 243 174 204 milli-err2: 56308
9/7f, decomp:15 border 192 243 174 204 err2: 0.3373
5/3i, decomp:21 border 17 68 93 204 milli-err2: 0
9/7i, decomp:21 border 17 68 93 204 milli-err2: 26234
9/7f, decomp:21 border 17 68 93 204 err2: 0.2765
5/3i, decomp:11 border 142 168 82 174 milli-err2: 0
9/7i, decomp:11 border 142 168 82 174 milli-err2: 14802
9/7f, decomp:11 border 142 168 82 174 err2: 0.2064
5/3i, decomp:23 border 142 209 171 235 milli-err2: 0
9/7i, decomp:23 border 142 209 171 235 milli-err2: 26230
9/7f, decomp:23 border 142 209 171 235 err2: 0.3092
5/3i, decomp:30 border 37 185 79 245 milli-err2: 0
9/7i, decomp:30 border 37 185 79 245 milli-err2: 18994
9/7f, decomp:30 border 37 185 79 245 err2: 0.3921
5/3i, decomp: 5 border 129 236 30 243 milli-err2: 0
9/7i, decomp: 5 border 129 236 30 243 milli-err2: 14600
9/7f, decomp: 5 border 129 236 30 243 err2: 0.1252
5/3i, decomp:10 border 5 160 146 247 milli-err2: 0
9/7i, decomp:10 border 5 160 146 247 milli-err2: 43905
9/7f, decomp:10 border 5 160 146 247 err2: 0.2753
5/3i, decomp: 5 border 104 162 6 47 milli-err2: 0
9/7i, decomp: 5 border 104 162 6 47 milli-err2: 12942
9/7f, decomp: 5 border 104 162 6 47 err2: 0.1237
5/3i, decomp:24 border 78 250 102 218 milli-err2: 0
9/7i, decomp:24 border 78 250 102 218 milli-err2: 24997
9/7f, decomp:24 border 78 250 102 218 err2: 0.3907
5/3i, decomp:28 border 86 98 56 79 milli-err2: 0
9/7i, decomp:28 border 86 98 56 79 milli-err2: 8112
9/7f, decomp:28 border 86 98 56 79 err2: 0.3094
5/3i, decomp: 6 border 95 238 197 214 milli-err2: 0
9/7i, decomp: 6 border 95 238 197 214 milli-err2: 12925
9/7f, decomp: 6 border 95 238 197 214 err2: 0.1481
5/3i, decomp:17 border 77 169 93 165 milli-err2: 0
9/7i, decomp:17 border 77 169 93 165 milli-err2: 24949
9/7f, decomp:17 border 77 169 93 165 err2: 0.4816
5/3i, decomp:22 border 178 187 7 119 milli-err2: 0
9/7i, decomp:22 border 178 187 7 119 milli-err2: 9838
9/7f, decomp:22 border 178 187 7 119 err2: 0.0999
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