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comparison doc/Binary-file-format @ 302:f469bad44c0e

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doc/Binary-file-format: s/gsm_explode/gsmfr_unpack_to_array/
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 15 Apr 2024 18:45:08 +0000
parents 7e490a8efe8a
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301:019eed8b1948 302:f469bad44c0e
20 special meaning on Unix systems, but many developers still strongly prefer to 20 special meaning on Unix systems, but many developers still strongly prefer to
21 have them for psychological comfort. 21 have them for psychological comfort.
22 22
23 Any gsmx file (FR or EFR) can be dumped in human-readable form with our 23 Any gsmx file (FR or EFR) can be dumped in human-readable form with our
24 gsmrec-dump utility. This utility turns every read frame from bytes into codec 24 gsmrec-dump utility. This utility turns every read frame from bytes into codec
25 parameters with gsm_explode() or EFR_frame2params(), and then displays those 25 parameters with gsmfr_unpack_to_array() or EFR_frame2params(), and then displays
26 parameters in a sensible manner, with a per-frame header line followed by 4 26 those parameters in a sensible manner, with a per-frame header line followed by
27 lines of subframe parameters. 27 4 lines of subframe parameters.
28 28
29 FR and EFR frames are not expected to be mixed in the same stream recording; 29 FR and EFR frames are not expected to be mixed in the same stream recording;
30 our low-level binary file reading function and gsmrec-dump will grok such mixing 30 our low-level binary file reading function and gsmrec-dump will grok such mixing
31 just fine, but each higher-level test program (beyond gsmrec-dump) is expected 31 just fine, but each higher-level test program (beyond gsmrec-dump) is expected
32 to be written for only one codec, either FR or EFR. 32 to be written for only one codec, either FR or EFR.