annotate libgsmfrp/silence_frame.c @ 212:0beafaa0623f

amr-cod-parse: handle Mode=-1 in NO_DATA frames
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 20 Apr 2023 02:23:35 +0000
parents 61cb83bd11ec
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Table 1 in section 6 of 3GPP TS 46.011 specifies a silence frame
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * in the form of GSM 06.10 parameters; here we implement this exact
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * silence frame in libgsm encoding, which is also RTP encoding.
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 */
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include "gsm_fr_preproc.h"
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 const gsm_frame gsmfr_preproc_silence_frame = {
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 0xDA, 0xA7, 0xAA, 0xA5, 0x1A,
25
61cb83bd11ec GSM 06.11 silence frame: it's Nc=40 first, then bc=0
Mychaela Falconia <falcon@freecalypso.org>
parents: 1
diff changeset
11 0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
61cb83bd11ec GSM 06.11 silence frame: it's Nc=40 first, then bc=0
Mychaela Falconia <falcon@freecalypso.org>
parents: 1
diff changeset
12 0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
61cb83bd11ec GSM 06.11 silence frame: it's Nc=40 first, then bc=0
Mychaela Falconia <falcon@freecalypso.org>
parents: 1
diff changeset
13 0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
61cb83bd11ec GSM 06.11 silence frame: it's Nc=40 first, then bc=0
Mychaela Falconia <falcon@freecalypso.org>
parents: 1
diff changeset
14 0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B,
1
6780b23654bd libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 };