Correctly infer length of record when unspecified #323
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added 4 commits
August 17, 2021 11:05
If the header file does not specify the record length, it must be inferred from the size of the signal file (dividing the data length by the number of samples per frame.) Previously, this calculation assumed that tsamps_per_frame == n_sig, which is not necessarily the case. Correctly calculate the total spf for the first signal file and use that as the divisor, rather than the number of signals. Rename the "n_sig" parameter of _infer_sig_len to tsamps_per_frame accordingly.
If the header file does not specify the signal length, rdrecord should calculate it from the size of the signal file. Test that this works correctly for multi-frequency records.
If the header file does not specify the record length, it must be inferred from the size of the signal file (dividing the data length by the number of samples per frame.) Previously, this calculation assumed that the file did not contain a prolog. Correctly calculate the data length by subtracting the prolog length (byte offset) from the size of the file.
If the header file does not specify the signal length, rdrecord should calculate it from the size of the signal file. Test that this works correctly for a signal file with a prolog.
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Thanks @bemoody, looks good to me. |
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If the header file does not specify the signal length,
rdrecordtries to determine it based on the length of the first signal file.This calculation was wrong when the signal file contained a prolog, or any signal contained multiple samples per frame.