FreeCalypso > hg > gsm-codec-lib

annotate libgsmefr/enc_state.h @ 234:c7f02428bda6

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pcm16-to-ulaw: add -t option for 13-bit mode
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 May 2023 21:56:09 +0000
parents 77803ce2cc22
children
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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 encoder state structure.
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3 * This encoder 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_encoder_state {
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8 /* from coder.c */
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9 Word16 dtx_mode;
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10 /* from cod_12k2.c */
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11 Word16 old_speech[L_TOTAL];
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12 Word16 old_wsp[L_FRAME + PIT_MAX];
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13 Word16 old_exc[L_FRAME + PIT_MAX + L_INTERPOL];
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14 Word16 ai_zero[L_SUBFR + MP1];
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15 Word16 hvec[L_SUBFR * 2];
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16 Word16 lsp_old[M];
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17 Word16 lsp_old_q[M];
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18 Word16 mem_syn[M];
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19 Word16 mem_w0[M];
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20 Word16 mem_w[M];
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21 Word16 mem_err[M + L_SUBFR];
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22 /* from levinson.c */
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23 Word16 old_A[M + 1];
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24 /* from pre_proc.c */
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25 struct preproc_state {
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26 Word16 y2_hi;
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27 Word16 y2_lo;
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28 Word16 y1_hi;
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29 Word16 y1_lo;
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30 Word16 x0;
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31 Word16 x1;
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32 } pre_proc;
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33 /* from q_plsf_5.c */
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34 Word16 past_r2_q[M];
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35 Word16 lsf_p_CN[M];
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36 /* from q_gains.c */
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37 Word16 past_qua_en[4];
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38 Word16 pred[4];
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39 Word16 gcode0_CN;
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40 /* from dtx.c */
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41 Word16 txdtx_ctrl;
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42 Word16 CN_excitation_gain;
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43 Word32 L_pn_seed_tx;
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44 Word16 txdtx_hangover;
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45 Word16 txdtx_N_elapsed;
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46 Word16 old_CN_mem_tx[6];
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47 Word16 buf_p_tx;
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48 Word16 lsf_old_tx[DTX_HANGOVER][M];
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49 Word16 gain_code_old_tx[4 * DTX_HANGOVER];
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50 /* from vad.c */
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51 struct vad_state {
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52 Word16 rvad[9];
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53 Word16 scal_rvad;
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54 Pfloat thvad;
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55 Word32 L_sacf[27];
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56 Word32 L_sav0[36];
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57 Word16 pt_sacf;
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58 Word16 pt_sav0;
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59 Word32 L_lastdm;
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60 Word16 adaptcount;
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61 Word16 burstcount;
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62 Word16 hangcount;
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63 Word16 oldlagcount;
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64 Word16 veryoldlagcount;
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65 Word16 oldlag;
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66 } vad;
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67 Word16 ptch;
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68 };