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annotate libtwamr/g_pitch.h @ 485:751f06541fbb

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doc/Codec-utils: clarify lack of DHF in gsmfr-decode-rb
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 20 May 2024 01:47:22 +0000
parents bd4f660eb75a
children
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bd4f660eb75a libtwamr: integrate g_pitch.c
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1 /*
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2 ********************************************************************************
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3 *
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4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
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5 * R99 Version 3.3.0
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6 * REL-4 Version 4.1.0
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7 *
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8 ********************************************************************************
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9 *
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10 * File : g_pitch.h
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11 * Purpose : Compute the pitch (adaptive codebook) gain.
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12 *
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13 ********************************************************************************
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14 */
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15 #ifndef g_pitch_h
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16 #define g_pitch_h "$Id $"
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17
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18 /*
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19 ********************************************************************************
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20 * INCLUDE FILES
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21 ********************************************************************************
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22 */
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23 #include "tw_amr.h"
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24 #include "typedef.h"
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25
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26 /*
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27 ********************************************************************************
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28 * DECLARATION OF PROTOTYPES
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29 ********************************************************************************
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30 */
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31 Word16 G_pitch ( /* o : Gain of pitch lag saturated to 1.2 */
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32 enum Mode mode, /* i : AMR mode */
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33 Word16 xn[], /* i : Pitch target. */
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34 Word16 y1[], /* i : Filtered adaptive codebook. */
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35 Word16 g_coeff[], /* i : Correlations need for gain quantization.
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36 (7.4 only). Pass NULL if not needed */
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37 Word16 L_subfr /* i : Length of subframe. */
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38 );
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39
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40 #endif