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Add logic for setting maximum chunk size

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babic_a
2020-05-15 18:12:46 +02:00
parent a6e2166900
commit 831f261be1
2 changed files with 11 additions and 2 deletions
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core-buffer/src/WriterH5Writer.cpp
+8 -2
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@@ -33,7 +33,7 @@ WriterH5Writer::WriterH5Writer(
uint compression_prop[] = {MODULE_N_PIXELS, BSHUF_H5_COMPRESS_LZ4};
H5Pset_filter(image_dataset_properties.getId(),
BSHUF_H5FILTER,
H5Z_FLAG_MANDATORY,
H5Z_FLAG_OPTIONAL,
2,
&(compression_prop[0]));
@@ -46,7 +46,13 @@ WriterH5Writer::WriterH5Writer(
hsize_t metadata_dataset_dims[] = {n_frames_, 1};
H5::DataSpace metadata_dataspace(2, metadata_dataset_dims);
hsize_t metadata_dataset_chunking[] = {100, 1};
// Chunk cannot be larger than n_frames.
auto metadata_chunk_size = WRITER_METADATA_CHUNK_N_IMAGES;
if (n_frames < metadata_chunk_size) {
metadata_chunk_size = n_frames;
}
hsize_t metadata_dataset_chunking[] = {metadata_chunk_size, 1};
H5::DSetCreatPropList metadata_dataset_properties;
metadata_dataset_properties.setChunk(2, metadata_dataset_chunking);