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GRIB-438: Error encoding values with mars formula (JPEG data)

This commit is contained in:
Shahram Najm 2013-09-30 14:08:41 +01:00
parent 4baa71d7eb
commit 4e97d036ee
2 changed files with 436 additions and 432 deletions
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10
src/grib_accessor_class_data_jpeg2000_packing.c
View File

@ -200,7 +200,6 @@ static void init(grib_accessor* a,const long v, grib_arguments* args)
printf("GRIB JPEG dumping to %s\n",self->dump_jpg);
first = 0;
}
}
static long value_count(grib_accessor* a)
@ -464,6 +463,15 @@ static int pack_double(grib_accessor* a, const double* cval, size_t *len)
helper.jpeg_buffer = buf;
helper.width = width;
helper.height = height;
/* See GRIB-438 */
if (bits_per_value == 0) {
const long bits_per_value_adjusted = 1;
grib_context_log(a->parent->h->context, GRIB_LOG_DEBUG,
"grib_accessor_class_data_jpeg2000_packing(%s) : bits per value was zero, changed to %d",
self->jpeg_lib==OPENJPEG_LIB ? "openjpeg" : "jasper", bits_per_value_adjusted);
bits_per_value = bits_per_value_adjusted;
}
helper.bits_per_value = bits_per_value;
helper.buffer_size = simple_packing_size + EXTRA_BUFFER_SIZE;

6
src/grib_jasper_encoding.c
View File

@ -57,7 +57,6 @@ int grib_jasper_decode(grib_context *c,unsigned char *buf, size_t *buflen, doubl
Assert(p->height_ * p->width_ == *no_values);
k=0;
for (i=0;i<p->height_;i++)
for (j=0;j<p->width_;j++) {
@ -118,11 +117,9 @@ int grib_jasper_encode(grib_context *c, j2k_encode_helper *helper) {
cmpt.sgnd_ = 0;
cmpt.cps_ = (helper->bits_per_value+7)/8;
/* Simple packing encoding */
bits8 = (helper->bits_per_value+7)/8*8;
Assert(bits8 > 0);
encoded = grib_context_malloc_clear(c,bits8/8*no_values);
if(!encoded) {
@ -145,7 +142,6 @@ int grib_jasper_encode(grib_context *c, j2k_encode_helper *helper) {
}
}
/*jas_init();*/
opts[0] = 0;