FreeCalypso > hg > gsm-codec-lib
annotate libgsmfrp/silence_frame.c @ 32:9639a44ae2e7
dev: efr-bit-packing helper program
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Thu, 24 Nov 2022 01:41:49 +0000 |
| parents | 61cb83bd11ec |
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| rev | line source |
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1
6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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1 /* |
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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 |
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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 |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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4 * silence frame in libgsm encoding, which is also RTP encoding. |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 */ |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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7 #include "gsm_fr_preproc.h" |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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9 const gsm_frame gsmfr_preproc_silence_frame = { |
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6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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10 0xDA, 0xA7, 0xAA, 0xA5, 0x1A, |
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25
61cb83bd11ec
GSM 06.11 silence frame: it's Nc=40 first, then bc=0
Mychaela Falconia <falcon@freecalypso.org>
parents:
1
diff
changeset
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11 0x50, 0x20, 0x38, 0xE4, 0x6D, 0xB9, 0x1B, |
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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, |
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1
6780b23654bd
libgsmfrp: starting with the silence frame
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 }; |
