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annotate doc/EFR-testing @ 144:30c7bc064218

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doc/Codec-utils: add note about PCM file format issue
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 14 Dec 2022 07:25:46 +0000
parents 170e03b20337
children 1e8569000049
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3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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1 When it comes to codec libraries, testing for correctness is essential, and EFR
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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2 is no exception. There is a set of EFR encoder and decoder test sequences
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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3 published by ETSI in ts_100725v050200p0.zip (GSM 06.54), and our suite of tools
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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4 includes gsmefr-etsi-enc and gsmefr-etsi-dec test programs that operate on the
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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5 representation formats used by these test sequences. Because these test
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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6 programs are based on libgsmefr EFR_encode_frame() and EFR_decode_frame()
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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7 functions, seeing gsmefr-etsi-enc produce output that matches official ETSI
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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8 *.cod files proves that libgsmefr encoder is correct, and seeing gsmefr-etsi-dec
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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9 produce output that matches official ETSI *.out files proves that libgsmefr
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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10 decoder is correct.
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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11
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 For debugging, we also have gsmefr-cod-parse and gsmefr-dec-parse utilities that
3fd48946dcb8 doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
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13 parse ETSI *.cod and *.dec file formats and dump their content in human-readable
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170e03b20337 doc/EFR-testing (gsmefr-{cod,dec}-parse): document similarity to gsmrec-dump
Mychaela Falconia <falcon@freecalypso.org>
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14 form similar to gsmrec-dump.