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annotate libgsmefr/dec_state.h @ 108:3b64f255689a

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libgsmfrp: factor out PRNG into its own module, in preparation for using it as part of speech muting too
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 28 Nov 2022 04:00:18 +0000
parents dd79ec84283d
children eefef9f6d533
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ba044871c9dd libgsmefr: beginning of encoder and decoder state structures
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1 /*
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2 * In this header file we define our decoder state structure.
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3 * This decoder state structure is internal to libgsmefr,
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4 * NOT part of our external public interface!
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5 */
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6
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7 struct EFR_decoder_state {
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8 /* from agc.c */
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9 Word16 past_gain;
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10 /* from decoder.c */
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11 Word16 synth_buf[L_FRAME + M];
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12 Word16 reset_flag_old;
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13 /* from dec_12k2.c */
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14 Word16 old_exc[L_FRAME + PIT_MAX + L_INTERPOL];
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15 Word16 lsp_old[M];
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16 Word16 mem_syn[M];
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17 Word16 prev_bf;
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18 Word16 bf_state;
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19 /* from d_plsf_5.c */
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20 Word16 past_r2_q[M];
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21 Word16 past_lsf_q[M];
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22 Word16 lsf_p_CN[M];
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23 Word16 lsf_old_CN[M];
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24 Word16 lsf_new_CN[M];
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25 /* from d_gains.c */
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26 Word16 pbuf[5];
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27 Word16 past_gain_pit;
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28 Word16 prev_gp;
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29 Word16 gbuf[5];
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30 Word16 past_gain_code;
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31 Word16 prev_gc;
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32 Word16 gcode0_CN;
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33 Word16 gain_code_old_CN;
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34 Word16 gain_code_new_CN;
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35 Word16 gain_code_muting_CN;
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36 Word16 past_qua_en[4];
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37 Word16 pred[4];
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38 /* from dtx.c */
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39 Word16 rxdtx_ctrl;
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40 Word32 L_pn_seed_rx;
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41 Word16 rx_dtx_state;
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42 Word16 rxdtx_aver_period;
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43 Word16 rxdtx_N_elapsed;
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44 Word16 prev_SID_frames_lost;
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45 Word16 buf_p_rx;
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46 Word16 lsf_old_rx[DTX_HANGOVER][M];
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47 Word16 gain_code_old_rx[4 * DTX_HANGOVER];
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48 /* from dec_lag6.c */
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49 Word16 old_T0;
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50 /* from preemph.c */
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51 Word16 mem_pre;
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52 /* from pstfilt2.c */
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53 Word16 res2[L_SUBFR];
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54 Word16 mem_syn_pst[M];
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55 };