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1 /*
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2 * miniJSS - Mixing routine in C, innerloop template
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2006-2007 Tecnic Software productions (TNSP)
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5 */
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6
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7 #ifdef JMIXER_HEADER
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8 int JMIXER_NAME (JSSMixer *, JSSChannel *, Sint32 *, const int, const Uint32);
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9 #else
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10 int JMIXER_NAME (JSSMixer *mixer, JSSChannel *chn, Sint32 *addBuffer, const int mixLength, const Uint32 endPos)
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11 {
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12 const JSSVolumeTable *volTab8 = (const JSSVolumeTable *) &(mixer->volTab8);
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13 Sint32 *ap = addBuffer;
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14 Sint32 tr = chn->chPrevR, tl = chn->chPrevL;
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15 DMFixedPoint tmpPos = chn->chPos;
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16 const DMFixedPoint tmpDelta = chn->chDeltaO;
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17 int strideLength = 0;
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18
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19 if (chn->chFlags & jsf16bit)
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20 {
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21 Sint16 *sp = (Sint16 *) chn->chData;
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22 JMIXER_INIT
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23
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24 while (strideLength < mixLength && JMIXER_ENDCOND)
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25 {
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26 JMIXER_FUNC_16
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27 JMIXER_DEBUG
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28 JMIXER_NEXT
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29 strideLength++;
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30 }
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31 }
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32 else
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33 {
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34 Uint8 *sp = (Uint8 *) chn->chData;
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35 JMIXER_INIT
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36
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37 while (strideLength < mixLength && JMIXER_ENDCOND)
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38 {
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39 JMIXER_FUNC_8
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40 JMIXER_DEBUG
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41 JMIXER_NEXT
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42 strideLength++;
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43 }
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44
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45 }
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46
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47 chn->chPos.dw = tmpPos.dw;
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48 chn->chPrevR = tr; chn->chPrevL = tl;
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49 return strideLength;
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50 }
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51
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52 #undef JMIXER_NAME
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53 #undef JMIXER_NEXT
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54 #undef JMIXER_ENDCOND
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55 #endif
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