aboutsummaryrefslogtreecommitdiff
path: root/externals/grill/flext
diff options
context:
space:
mode:
authorThomas Grill <xovo@users.sourceforge.net>2003-03-19 04:36:44 +0000
committerThomas Grill <xovo@users.sourceforge.net>2003-03-19 04:36:44 +0000
commit6a2cccf403ac6045d987eb771b5ac904a33b122a (patch)
tree7a53ad5250738c0258c59995a4312685fbcf6689 /externals/grill/flext
parent6b266723cb82ec38bfc0a1681bddf42e0eac8096 (diff)
""
svn path=/trunk/; revision=482
Diffstat (limited to 'externals/grill/flext')
-rw-r--r--externals/grill/flext/readme.txt4
-rw-r--r--externals/grill/flext/source/flbuf.cpp10
-rw-r--r--externals/grill/flext/source/fldefs.h2
-rw-r--r--externals/grill/flext/source/flsupport.h18
4 files changed, 26 insertions, 8 deletions
diff --git a/externals/grill/flext/readme.txt b/externals/grill/flext/readme.txt
index 8389cac7..bc043c33 100644
--- a/externals/grill/flext/readme.txt
+++ b/externals/grill/flext/readme.txt
@@ -120,6 +120,7 @@ Version history:
- added functions for SIMD support
- fixed race condition when using LaunchThread in a setup function (now waiting for thread helper to initialize)
- added flext::Forward function to send messages to bound symbols
+- added "zero" flag to flext::buffer resize operation
0.4.2:
- started port for jMax
@@ -331,8 +332,7 @@ TODO list:
general:
- documentation
- add log messages for debugging version
-- feed assist function with in/outlet description
-- MaxMSP: how to call separate help files for objects in a library?
+- MaxMSP: how to call separate help files for objects in a library? -> object mappings (in OSX)
- use PD's t_float type for floating point values (and what about t_int?)
bugs:
diff --git a/externals/grill/flext/source/flbuf.cpp b/externals/grill/flext/source/flbuf.cpp
index 633f0d45..f7672b75 100644
--- a/externals/grill/flext/source/flbuf.cpp
+++ b/externals/grill/flext/source/flbuf.cpp
@@ -176,20 +176,21 @@ bool flext::buffer::Update()
#endif
}
-void flext::buffer::Frames(int fr,bool keep)
+void flext::buffer::Frames(int fr,bool keep,bool zero)
{
#if FLEXT_SYS == FLEXT_SYS_PD
+ // is this function guaranteed to keep memory and set rest to zero?
::garray_resize(arr,(float)fr);
Update();
#elif FLEXT_SYS == FLEXT_SYS_MAX
t_sample *tmp = NULL;
- int sz = frames;
+ int sz = frames;
if(fr < sz) sz = fr;
if(keep) {
// copy buffer data to tmp storage
tmp = new t_sample[sz];
- if(tmp)
+ if(tmp)
CopySamples(data,tmp,sz);
else
error("flext::buffer - not enough memory for keeping buffer~ contents");
@@ -210,7 +211,10 @@ void flext::buffer::Frames(int fr,bool keep)
// copy data back
CopySamples(tmp,data,sz);
delete[] tmp;
+ if(zero && sz < fr) ZeroSamples(data+sz,fr-sz);
}
+ else
+ if(zero) ZeroSamples(data,fr);
#else
#error
#endif
diff --git a/externals/grill/flext/source/fldefs.h b/externals/grill/flext/source/fldefs.h
index 7ba0f1b2..da6d995c 100644
--- a/externals/grill/flext/source/fldefs.h
+++ b/externals/grill/flext/source/fldefs.h
@@ -67,6 +67,8 @@ FLEXT_REALHDR_S(NEW_CLASS, PARENT_CLASS, SETUPFUN)
// ====================================================================================
/*! \defgroup FLEXT_D_INSTANCE Class instantiation
+ \note The name of your class is of importance! It must be the same as the external
+ \note (excluded an eventual ~ (tilde))
*/
diff --git a/externals/grill/flext/source/flsupport.h b/externals/grill/flext/source/flsupport.h
index b76437cc..c9235d95 100644
--- a/externals/grill/flext/source/flsupport.h
+++ b/externals/grill/flext/source/flsupport.h
@@ -129,22 +129,34 @@ public:
//! Get frame count
int Frames() const { return frames; }
//! Set frame count
- void Frames(int fr,bool keep = false);
+ void Frames(int fr,bool keep = false,bool zero = true);
//! Graphic auto refresh interval
void SetRefrIntv(float intv);
protected:
+ //! buffer name
const t_symbol *sym;
+ //! array holding audio data
t_sample *data;
- int chns,frames;
+ //! number of audio channels
+ int chns;
+ //! number of frames (multiplied by chns for the number of samples)
+ int frames;
#if FLEXT_SYS == FLEXT_SYS_PD
+ //! pointer to the PD array structure
t_garray *arr;
+ //! update interval
float interval;
- bool isdirty,ticking;
+ //! flag signaling that the data has been changed
+ bool isdirty;
+ //! flag showing that the update clock is active
+ bool ticking;
+ //! update clock
t_clock *tick;
private:
+ //! update clock callback
static void cb_tick(buffer *b);
#endif
};