Mercurial > hg > dmlib
view minijss/jmixtmpl_c.h @ 1896:f80b2dc77c30
Work begins on IFF ILBM/PBM image writer. It is pretty broken, some things
will not work and some things are hardcoded. The ByteRun1 compression
implementation is somewhat inefficient. Interleaved files do not work yet.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Tue, 26 Jun 2018 03:13:38 +0300 |
parents | b52905e2788e |
children |
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/* * miniJSS - Mixing routine in C, innerloop template * Programmed and designed by Matti 'ccr' Hamalainen * (C) Copyright 2006-2015 Tecnic Software productions (TNSP) */ int JMIXER_NAME (JSSMixer *mixer, JSSChannel *chn, JMIXER_ADDBUF_TYPE *addBuffer, const int mixLength, const DMFixedPoint endPos) #ifdef JMIXER_HEADER ; #else { const DMFixedPoint tmpDelta = chn->chDeltaO, tmpDeltaV = chn->chDeltaV; DMFixedPoint tmpPos = chn->chPos, tmpVolume = chn->chVolume; JMIXER_ADDBUF_TYPE *ap = addBuffer, *tr = chn->chPrevR, *tl = chn->chPrevL; int strideLength = 0; (void) tr; (void) tl; JMIXER_SAMPLE_TYPE *sp = (JMIXER_SAMPLE_TYPE *) chn->chData; JMIXER_INIT if (chn->chVolumeD > 0) { const int tmpLength = chn->chVolumeD < mixLength ? chn->chVolumeD : mixLength; chn->chVolumeD -= tmpLength; while (strideLength < tmpLength && JMIXER_ENDCOND) { JMIXER_FUNC JMIXER_DEBUG JMIXER_NEXT_RAMP strideLength++; } } while (strideLength < mixLength && JMIXER_ENDCOND) { JMIXER_FUNC JMIXER_DEBUG JMIXER_NEXT strideLength++; } chn->chPos = tmpPos; chn->chVolume = tmpVolume; return strideLength; } #endif #undef JMIXER_NAME #undef JMIXER_NEXT #undef JMIXER_NEXT_RAMP #undef JMIXER_ENDCOND