Re: Buffer-accessing units fail silently; maybe less silent?

>  On Apr 28, 2008, at 8:07 AM, Dan Stowell wrote:
>
>  > Hi -
>  >
>  >> From the PlayBuf helpfile: "warning: if you supply a bufnum of a
>  > buffer that has a different numChannels then you have specified to the
>  > PlayBuf, it will fail silently."
>  >
>  > Why silently? Wouldn't it be more helpful to warn?
>  >
>  > Here's a patch that adds a warning (to the macros used by PlayBuf,
>  > BufRd, RecordBuf, BufWr, ScopeOut). Warning can be suppressed using
>  > server verbosity flag. Thoughts?
>  >
>  > Dan
>  >
>  >
>  > Index: /Users/danstowell/SuperCollider3/source/plugins/DelayUGens.cpp
>  > ===================================================================
>  > --- /Users/danstowell/SuperCollider3/source/plugins/DelayUGens.cpp
>  > (revision 7343)
>  > +++ /Users/danstowell/SuperCollider3/source/plugins/DelayUGens.cpp
>  > (working copy)
>  > @@ -609,6 +609,9 @@
>  > #define SETUP_OUT \
>  >        uint32 numOutputs = unit->mNumOutputs; \
>  >        if (numOutputs > bufChannels) { \
>  > +               if(unit->mWorld->mVerbosity > -1 && !unit->mDone){ \
>  > +                       Print("buffer-reading unit channel mismatch:
>  > numOutputs %i, buf has %i channels\n", numOutputs, bufChannels); \
>  > +               } \
>  >                 unit->mDone = true; \
>  >                ClearUnitOutputs(unit, inNumSamples); \
>  >                return; \
>  > @@ -619,6 +622,9 @@
>  > #define SETUP_IN(offset) \
>  >        uint32 numInputs = unit->mNumInputs - (uint32)offset; \
>  >        if (numInputs != bufChannels) { \
>  > +               if(unit->mWorld->mVerbosity > -1 && !unit->mDone){ \
>  > +                       Print("buffer-writing unit channel mismatch:
>  > numInputs %i, buf has %i channels\n", numInputs, bufChannels); \
>  > +               } \
>  >                 unit->mDone = true; \
>  >                ClearUnitOutputs(unit, inNumSamples); \
>  >                return; \
>  > <
>  > WarnChannelMismatch
>  > .patch.txt>_______________________________________________
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>  /* Joshua D. Parmenter
>  http://www.realizedsound.net/josh/
>
>  "Every composer – at all times and in all cases – gives his own
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>  renewal; or he may strive for a revolutionary, historical or social
>  palingenesis." - Luigi Nono
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