annotate doc/EFR-testing @ 408:8847c1740e78

libtwamr: integrate VAD1
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 May 2024 00:56:10 +0000
parents 1e8569000049
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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.