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avcodec/jpeg2000dwt: Factor dwt test code out so it can be easily used with the other dwts too

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2015-06-20 01:45:18 +02:00
parent a75ca3ca6a
commit 116e7d5418
1 changed files with 34 additions and 23 deletions
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57
libavcodec/jpeg2000dwt.c
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@@ -614,12 +614,41 @@ void ff_dwt_destroy(DWTContext *s)
#define MAX_W 256
static int test_dwt(int *array, int *ref, uint16_t border[2][2], int decomp_levels, int type) {
int ret, j;
DWTContext s1={{{0}}}, *s= &s1;
ret = ff_jpeg2000_dwt_init(s, border, decomp_levels, type);
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 (array[j] != ref[j]) {
fprintf(stderr, "missmatch at %d (%d != %d) 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;
}
ff_dwt_destroy(s);
return 0;
}
int main(void) {
int array[MAX_W * MAX_W];
int ref [MAX_W * MAX_W];
AVLFG prng;
int i,j;
DWTContext s1={{{0}}}, *s= &s1;
uint16_t border[2][2];
int ret, decomp_levels;
@@ -634,28 +663,10 @@ int main(void) {
if (border[0][0] >= border[0][1] || border[1][0] >= border[1][1])
continue;
decomp_levels = av_lfg_get(&prng) % FF_DWT_MAX_DECLVLS;
ret = ff_jpeg2000_dwt_init(s, border, decomp_levels, FF_DWT53);
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 (array[j] != ref[j]) {
fprintf(stderr, "missmatch at %d (%d != %d) 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;
}
ff_dwt_destroy(s);
ret = test_dwt(array, ref, border, decomp_levels, FF_DWT53);
if (ret)
return ret;
}
return 0;