FreeCalypso > hg > gsm-codec-lib
annotate doc/EFR-testing @ 382:693ea1d5cf1e
libtwamr: integrate int_lsf.c
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 06 May 2024 05:45:31 +0000 |
parents | 1e8569000049 |
children |
rev | line source |
---|---|
132
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
5 representation formats used by these test sequences. Because these test |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 programs are based on libgsmefr EFR_encode_frame() and EFR_decode_frame() |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 functions, seeing gsmefr-etsi-enc produce output that matches official ETSI |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
9 produce output that matches official ETSI *.out files proves that libgsmefr |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 decoder is correct. |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 |
3fd48946dcb8
doc/EFR-testing article written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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>
parents:
diff
changeset
|
13 parse ETSI *.cod and *.dec file formats and dump their content in human-readable |
134
170e03b20337
doc/EFR-testing (gsmefr-{cod,dec}-parse): document similarity to gsmrec-dump
Mychaela Falconia <falcon@freecalypso.org>
parents:
132
diff
changeset
|
14 form similar to gsmrec-dump. |
158
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
15 |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
16 Please note that all ETSI test sequence file formats are endian-dependent: their |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
17 original programs read and write 16-bit words in the local machine's native byte |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
18 order, and whenever you are working with published test sequence files, you have |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
19 to check to see if they are BE or LE. Our gsmefr-etsi-{enc,dec} and |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
20 gsmefr-{cod,dec}-parse programs support both byte orders; the default is LE |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
21 (matching the main parts of ts_100725v050200p0.zip), or you can select BE with |
1e8569000049
doc/EFR-testing: document endian issues
Mychaela Falconia <falcon@freecalypso.org>
parents:
134
diff
changeset
|
22 -b option. |