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Viewing changes to plugins/ladspa_effect/caps/dsp/RMS.h

  • Committer: Charlie Smotherman
  • Date: 2012-12-05 22:08:38 UTC
  • mfrom: (33.1.7 lmms_0.4.13)
  • Revision ID: cjsmo@cableone.net-20121205220838-09pjfzew9m5023hr
https://launchpad.net/bugs/824231
https://launchpad.net/bugs/863366
* New  Upstream release.
  - Minor tweaking to ZynAddSubFX, CALF, SWH plugins  and Stefan Fendt's RC
    filters.
  - Added UI fixes: Magnentic effect of knobs and Piano-roll fixes
  - Updated German localization and copyright year
* debian/lmms-common.install:
  - added /usr/share/applications so the lmms.desktop file will correctly
    install (LP: #863366)
  - This should also fix the Software Center not displaying lmms in sound
    and video (LP: #824231)

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plugins/ladspa_effect/caps/dsp/RMS.h
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class RMS
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{
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        protected:
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                d_sample buffer[64];
 
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                sample_t buffer[64];
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                int write;
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        public:
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                        }
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                /* caution: pass in the *squared* sample value */
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                void store (d_sample x)
 
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                void store (sample_t x)
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                        {
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                                sum -= buffer[write];
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                                sum += (buffer[write] = x);
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                                write = (write + 1) & 63;
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                        }
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                d_sample process (d_sample x)
 
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                sample_t process (sample_t x)
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                        {
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                                store (x);
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                                return rms();
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                        }
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                d_sample rms()
 
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                sample_t rms()
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                        {
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                                /* fabs it before sqrt, just in case ... */
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                                return sqrt (fabs (sum) / 64);