FreeCalypso > hg > gsm-codec-lib
annotate libtest/binreader.c @ 176:9fb22fa4d373
doc/RTP-analysis: document rtp-g711-extr
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 27 Dec 2022 01:29:14 +0000 |
parents | 820d88b97924 |
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libtest: implement binary file reader
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
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2 * Here we implement our binfile_read_frame() function. |
820d88b97924
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3 */ |
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4 |
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5 #include <stdio.h> |
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6 #include <stdint.h> |
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7 #include "binreader.h" |
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8 |
820d88b97924
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9 int binfile_read_frame(FILE *binf, uint8_t *frame) |
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10 { |
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11 int cc, morelen; |
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12 |
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13 cc = fread(frame, 1, 1, binf); |
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14 if (cc != 1) |
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15 return 0; |
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16 if (frame[0] == 0xBF) |
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17 morelen = 1; |
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18 else if ((frame[0] & 0xF0) == 0xC0) |
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19 morelen = 30; |
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20 else if ((frame[0] & 0xF0) == 0xD0) |
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21 morelen = 32; |
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22 else |
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23 return -1; |
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24 cc = fread(frame+1, 1, morelen, binf); |
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25 if (cc == morelen) |
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26 return 1; |
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27 else |
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28 return -2; |
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29 } |