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annotate libtwamr/tseq_out.c @ 585:3c6bf0d26ee7 default tip

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TW-TS-005 reader: fix maximum line length bug TW-TS-005 section 4.1 states: The maximum allowed length of each line is 80 characters, not including the OS-specific newline encoding. The implementation of this line length limit in the TW-TS-005 hex file reader function in the present suite was wrong, such that lines of the full maximum length could not be read. Fix it. Note that this bug affects comment lines too, not just actual RTP payloads. Neither Annex A nor Annex B features an RTP payload format that goes to the maximum of 40 bytes, but if a comment line goes to the maximum allowed length of 80 characters not including the terminating newline, the bug will be triggered, necessitating the present fix.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 25 Feb 2025 07:49:28 +0000
parents eced57698c03
children
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eced57698c03 libtwamr: implement test sequence output
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1 /*
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2 * In this module we implement encoder output conversion to 3GPP
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3 * test sequence format.
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4 */
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5
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6 #include <stdint.h>
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7 #include <string.h>
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8 #include "tw_amr.h"
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9 #include "namespace.h"
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10 #include "typedef.h"
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11 #include "cnst.h"
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12 #include "prm2bits.h"
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13
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14 void amr_frame_to_tseq(const struct amr_param_frame *frame, uint16_t *cod)
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15 {
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16 enum Mode pack_mode;
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17
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18 cod[0] = frame->type;
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19 memset(cod + 1, 0, (AMR_COD_WORDS-1) * sizeof(uint16_t));
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20 switch (frame->type) {
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21 case TX_SPEECH_GOOD:
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22 pack_mode = frame->mode;
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23 cod[MAX_SERIAL_SIZE+1] = frame->mode;
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24 break;
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25 case TX_SID_FIRST:
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26 case TX_SID_UPDATE:
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27 pack_mode = MRDTX;
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28 cod[MAX_SERIAL_SIZE+1] = frame->mode;
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29 break;
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30 case TX_NO_DATA:
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31 pack_mode = MRDTX;
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32 cod[MAX_SERIAL_SIZE+1] = 0xFFFF;
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33 break;
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34 default:
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35 /* invalid usage, not allowed! */
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36 return;
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37 }
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38 Prm2bits(pack_mode, frame->param, (Word16 *)(cod + 1));
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39 }