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authorThomas Grill <xovo@users.sourceforge.net>2005-11-19 23:15:44 +0000
committerThomas Grill <xovo@users.sourceforge.net>2005-11-19 23:15:44 +0000
commit0f576ee67600ceb2a435fb26b036551ffde8bb74 (patch)
treefa4cdf924a6569339f9d100477a3005f3718fb58 /externals/grill/xsample/source
parent21859fabaa92215068d7176e504ac0d59d4301a5 (diff)
*** empty log message ***
svn path=/trunk/; revision=3981
Diffstat (limited to 'externals/grill/xsample/source')
-rw-r--r--externals/grill/xsample/source/groove.cpp88
-rw-r--r--externals/grill/xsample/source/main.cpp20
-rw-r--r--externals/grill/xsample/source/main.h12
3 files changed, 81 insertions, 39 deletions
diff --git a/externals/grill/xsample/source/groove.cpp b/externals/grill/xsample/source/groove.cpp
index d76e3776..2a7cbeec 100644
--- a/externals/grill/xsample/source/groove.cpp
+++ b/externals/grill/xsample/source/groove.cpp
@@ -341,22 +341,44 @@ void xgroove::s_pos_loop(int n,t_sample *const *invecs,t_sample *const *outvecs)
if(plen > 0) {
register double o = curpos;
- for(int i = 0; i < n; ++i) {
- const t_sample spd = speed[i]; // must be first because the vector is reused for output!
+ if(wrap && smin < 0 && smax >= buf.Frames()) {
+ for(int i = 0; i < n; ++i) {
+ const t_sample spd = speed[i]; // must be first because the vector is reused for output!
+
+ // normalize offset
+ if(!(o < smax)) { // faster than o >= smax
+ o = fmod(o-smin,plen)+smin;
+ lpbang = true;
+ }
+ else if(o < smin) {
+ o = fmod(o-smin,plen)+smax;
+ lpbang = true;
+ }
- // normalize offset
- if(!(o < smax)) { // faster than o >= smax
- o = fmod(o-smin,plen)+smin;
- lpbang = true;
- }
- else if(o < smin) {
- o = fmod(o-smin,plen)+smax;
- lpbang = true;
- }
+ // TODO normalize to 0...buf.Frames()
+ pos[i] = o;
+ o += spd;
+ }
+ }
+ else {
+ for(int i = 0; i < n; ++i) {
+ const t_sample spd = speed[i]; // must be first because the vector is reused for output!
+
+ // normalize offset
+ if(!(o < smax)) { // faster than o >= smax
+ o = fmod(o-smin,plen)+smin;
+ lpbang = true;
+ }
+ else if(o < smin) {
+ o = fmod(o-smin,plen)+smax;
+ lpbang = true;
+ }
+
+ pos[i] = o;
+ o += spd;
+ }
+ }
- pos[i] = o;
- o += spd;
- }
// normalize and store current playing position
setpos(o);
@@ -667,13 +689,15 @@ bool xgroove::do_xzone()
long lack = CASTINT<long>(ceil((xzone*2.f-(znsmax-znsmin))/2.f));
if(lack > 0) znsmin -= lack,znsmax += lack;
- // check buffer limits and shift bounds if necessary
- if(znsmin < 0) {
- znsmax -= znsmin;
- znsmin = 0;
- }
- if(znsmax > frames)
- znsmax = frames;
+ if(!wrap) {
+ // check buffer limits and shift bounds if necessary
+ if(znsmin < 0) {
+ znsmax -= znsmin;
+ znsmin = 0;
+ }
+ if(znsmax > frames)
+ znsmax = frames;
+ }
}
else if(xfade == xsf_keeplooplen) {
// try to keep loop length
@@ -689,16 +713,18 @@ bool xgroove::do_xzone()
znsmin = curmin-hzone;
znsmax = curmax+hzone;
- // check buffer limits and shift bounds if necessary
- // both cases can't happen because of xzone having been limited above
- if(znsmin < 0) {
- znsmax -= znsmin;
- znsmin = 0;
- }
- else if(znsmax > frames) {
- znsmin -= znsmax-frames;
- znsmax = frames;
- }
+ if(!wrap) {
+ // check buffer limits and shift bounds if necessary
+ // both cases can't happen because of xzone having been limited above
+ if(znsmin < 0) {
+ znsmax -= znsmin;
+ znsmin = 0;
+ }
+ else if(znsmax > frames) {
+ znsmin -= znsmax-frames;
+ znsmax = frames;
+ }
+ }
}
else if(xfade == xsf_keeplooppos) {
// try to keep loop position and length
diff --git a/externals/grill/xsample/source/main.cpp b/externals/grill/xsample/source/main.cpp
index df0c1456..c62df461 100644
--- a/externals/grill/xsample/source/main.cpp
+++ b/externals/grill/xsample/source/main.cpp
@@ -49,7 +49,7 @@ void xsample::setup(t_classid c)
}
xsample::xsample():
- update(xsc_all),
+ update(xsc_all),wrap(false),
#if FLEXT_SYS == FLEXT_SYS_MAX
unitmode(xsu_ms), // Max/MSP defaults to milliseconds
#else
@@ -168,12 +168,18 @@ void xsample::DoUpdate(unsigned int flags)
if(flags&xsc_range && buf.Ok()) {
const int f = buf.Frames();
-
- if(curmin < 0) curmin = 0;
- else if(curmin > f) curmin = f;
-
- if(curmax > f) curmax = f;
- else if(curmax < curmin) curmax = curmin;
+
+ if(!wrap) {
+ // normalize bounds
+ if(curmin < 0) curmin = 0;
+ else if(curmin > f) curmin = f;
+
+ if(curmax > f) curmax = f;
+ else if(curmax < curmin) curmax = curmin;
+ }
+ else
+ // don't normalize
+ if(curmax < curmin) curmax = curmin;
}
if(flags&xsc_units) {
diff --git a/externals/grill/xsample/source/main.h b/externals/grill/xsample/source/main.h
index 6fb1bd2c..9d9f94b8 100644
--- a/externals/grill/xsample/source/main.h
+++ b/externals/grill/xsample/source/main.h
@@ -15,7 +15,7 @@ WARRANTIES, see the file, "license.txt," in this distribution.
#error You need at least flext version 0.5.0
#endif
-#define XSAMPLE_VERSION "0.3.1"
+#define XSAMPLE_VERSION "0.3.2pre"
extern "C++" {
@@ -191,6 +191,12 @@ protected:
Refresh();
}
+ void m_wrap(bool w)
+ {
+ wrap = w;
+ Update(xsc_pos|xsc_range,true);
+ }
+
void m_min(float mn);
void m_max(float mx);
@@ -201,6 +207,7 @@ protected:
long sclmin; // in samples
float sclmul;
float s2u; // sample to unit conversion factor
+ bool wrap;
inline float scale(float smp) const { return (smp-sclmin)*sclmul; }
@@ -266,6 +273,9 @@ private:
FLEXT_ATTRGET_F(s2u)
+ FLEXT_CALLSET_B(m_wrap)
+ FLEXT_ATTRGET_B(wrap)
+
protected:
FLEXT_CALLGET_F(mg_min)
FLEXT_CALLGET_F(mg_max)