FreeCalypso > hg > gsm-codec-lib
annotate libgsmhr1/paramval_dec.c @ 540:5595293e4f29
gsmx-to-tw5a utility: use emit_hex_frame() in libtest
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 22 Sep 2024 00:36:35 +0000 |
parents | 67b13a6a63c9 |
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rev | line source |
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libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
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67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * The function implemented in this module examines a frame of 22 int16_t words |
67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
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3 * that corresponds to GSM-HR decoder input format, and checks if the unused |
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03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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4 * upper bits of each int16_t word are cleared as they should be. |
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67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
diff
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5 * This function should be used when reading from ETSI-format *.dec files, |
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03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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6 * to guard against reading garbage or wrong endian. |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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7 */ |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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8 |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <stdint.h> |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 #include "tw_gsmhr.h" |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 |
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67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 int gsmhr_check_decoder_params(const int16_t *params) |
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libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 { |
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67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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14 if (params[18] < 0 || params[18] > 2) /* BFI */ |
67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
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15 return -1; |
67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
diff
changeset
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16 if (params[19] < 0 || params[19] > 1) /* UFI */ |
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03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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17 return -1; |
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67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
diff
changeset
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18 if (params[20] < 0 || params[20] > 2) /* SID */ |
67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
diff
changeset
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19 return -1; |
67b13a6a63c9
libgsmhr1: implement validation for *.dec frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
513
diff
changeset
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20 if (params[21] < 0 || params[21] > 1) /* TAF */ |
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03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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21 return -1; |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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22 return gsmhr_check_common_params(params); |
03a40ac2e931
libgsmhr1: implement validation for *.cod frames
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 } |