FreeCalypso > hg > gsm-codec-lib
annotate doc/EFR-testing @ 491:45bf34451dd7
libgsmhr1: implement TW-TS-002 input
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 15 Jun 2024 06:22:21 +0000 |
parents | 1e8569000049 |
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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 |
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doc/EFR-testing article written
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3 published by ETSI in ts_100725v050200p0.zip (GSM 06.54), and our suite of tools |
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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>
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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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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. |
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doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
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15 |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
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16 Please note that all ETSI test sequence file formats are endian-dependent: their |
1e8569000049
doc/EFR-testing: document endian issues
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17 original programs read and write 16-bit words in the local machine's native byte |
1e8569000049
doc/EFR-testing: document endian issues
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18 order, and whenever you are working with published test sequence files, you have |
1e8569000049
doc/EFR-testing: document endian issues
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19 to check to see if they are BE or LE. Our gsmefr-etsi-{enc,dec} and |
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doc/EFR-testing: document endian issues
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20 gsmefr-{cod,dec}-parse programs support both byte orders; the default is LE |
1e8569000049
doc/EFR-testing: document endian issues
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21 (matching the main parts of ts_100725v050200p0.zip), or you can select BE with |
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doc/EFR-testing: document endian issues
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22 -b option. |