hi gridflow 0.9.5

svn path=/trunk/; revision=12611

1 files changed, 292 insertions, 0 deletions

diff --git a/externals/gridflow/base/grid.c b/externals/gridflow/base/grid.c
new file mode 100644
index 00000000..671dae36
--- /dev/null
+++ b/externals/gridflow/base/grid.c
@@ -0,0 +1,292 @@
+/*
+	$Id: grid.c 4189 2009-06-03 02:00:25Z matju $
+
+	GridFlow
+	Copyright (c) 2001-2008 by Mathieu Bouchard
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	See file ../COPYING for further informations on licensing terms.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include "../gridflow.h.fcs"
+#include <ctype.h>
+
+//#define TRACEBUFS
+
+#define CHECK_TYPE(d,NT) if (NumberTypeE_type_of(&d)!=NT) RAISE("(%s): " \
+		"type mismatch during transmission (got %s expecting %s)", __PRETTY_FUNCTION__, \
+		number_type_table[NumberTypeE_type_of(&d)].name, number_type_table[NT].name);
+#define CHECK_BUSY1(s) if (!dim) RAISE(#s " not busy");
+#define CHECK_BUSY(s)  if (!dim) RAISE(#s " not busy (wanting to write %ld values)",(long)n);
+#define CHECK_ALIGN(d,nt) {int bytes = number_type_table[nt].size/8; int align = ((long)(void*)d)%bytes; \
+	if (align) {post("(%s): Alignment Warning: %p is not %d-aligned: %d", __PRETTY_FUNCTION__, (void*)d,bytes,align);}}
+
+// **************** Grid ******************************************
+
+void Grid::init_from_list(int n, t_atom *aa, NumberTypeE nt) {
+	t_atom2 *a = (t_atom2 *)aa;
+	t_symbol *delim = gensym("#");
+	for (int i=0; i<n; i++) {
+		if (a[i] == delim) {
+			int32 v[i];
+			if (i!=0 && a[i-1].a_type==A_SYMBOL) nt=NumberTypeE_find(a[--i]);
+			for (int j=0; j<i; j++) v[j] = convert(a[j],(int32*)0);
+			init(new Dim(i,v),nt);
+			CHECK_ALIGN(this->data,nt);
+			if (a[i] != delim) i++;
+			i++; a+=i; n-=i;
+			goto fill;
+		}
+	}
+	if (n!=0 && a[0].a_type==A_SYMBOL) {nt = NumberTypeE_find(a[0]); a++; n--;}
+	init(new Dim(n),nt);
+	CHECK_ALIGN(this->data,nt);
+	fill:
+	int nn = dim->prod();
+	n = min(n,nn);
+#define FOO(T) { \
+	T *p = (T *)*this; \
+	if (n==0) CLEAR(p,nn); else { \
+		for (int i=0; i<n; i++) p[i] = a[i]; \
+		for (int i=n; i<nn; i+=n) COPY(p+i,p,min(n,nn-i)); }}
+	TYPESWITCH(nt,FOO,)
+#undef FOO
+}
+
+void Grid::init_from_atom(const t_atom &x) {
+	const t_atom2 &a = *(t_atom2 *)&x;
+	if (a.a_type==A_LIST) {
+		t_binbuf *b = a;
+		init_from_list(binbuf_getnatom(b),binbuf_getvec(b));
+	} else if (x.a_type==A_FLOAT) {
+		init(new Dim(),int32_e);
+		CHECK_ALIGN(this->data,nt);
+		((int32 *)*this)[0] = (int32)a.a_float;
+	} else RAISE("can't convert to grid");
+}
+
+// **************** GridInlet *************************************
+
+// must be set before the end of GRID_BEGIN phase, and so cannot be changed
+// afterwards. This is to allow some optimisations. Anyway there is no good reason
+// why this would be changed afterwards.
+void GridInlet::set_chunk(long whichdim) {
+	chunk = whichdim;
+	long n = dim->prod(whichdim);
+	if (!n) n=1;
+	if(!dim) RAISE("huh?");
+	if (n>1) {
+		buf=new Grid(new Dim(n), sender->nt);
+		bufi=0;
+	} else buf=0;
+}
+
+bool GridInlet::supports_type(NumberTypeE nt) {
+#define FOO(T) return !! gh->flow_##T;
+	TYPESWITCH(nt,FOO,return false)
+#undef FOO
+}
+
+void GridInlet::begin(GridOutlet *sender) {
+	if (dim) RAISE("grid inlet aborting from %s at %ld/%ld because of %s",
+		ARGS(this->sender->parent),long(dex),long(dim->prod()),ARGS(sender->parent));
+	this->sender = sender;
+	if (!supports_type(sender->nt)) RAISE("number type %s not supported here", number_type_table[sender->nt].name);
+	this->nt = sender->nt;
+	this->dim = sender->dim;
+	dex=0;
+	buf=0;
+	try {
+#define FOO(T) gh->flow(this,dex,-1,(T *)0); break;
+		TYPESWITCH(sender->nt,FOO,)
+#undef FOO
+	} catch (Barf &barf) {this->dim=0; throw;}
+	this->dim = dim;
+	sender->callback(this);
+#ifdef TRACEBUFS
+	post("GridInlet:  %20s buf for recving from %p",dim->to_s(),sender);
+#endif
+}
+
+#define CATCH_IT catch (Barf &slimy) {slimy.error(parent->bself);}
+
+template <class T> void GridInlet::flow(long n, T *data) {
+	CHECK_BUSY(inlet); CHECK_TYPE(*data,sender->nt); CHECK_ALIGN(data,sender->nt);
+	if (!n) return; // no data
+	long d = dex + bufi;
+	if (d+n > dim->prod()) {
+		post("grid input overflow: %ld of %ld from [%s] to [%s]", d+n, long(dim->prod()), ARGS(sender->parent), ARGS(parent));
+		n = dim->prod() - d;
+		if (n<=0) return;
+	}
+	int bufn = factor();
+	if (buf && bufi) {
+		T *bufd = *buf;
+		long k = min((long)n,bufn-bufi);
+		COPY(bufd+bufi,data,k);
+		bufi+=k; data+=k; n-=k;
+		if (bufi==bufn) {
+			long newdex = dex+bufn;
+			CHECK_ALIGN(bufd,sender->nt);
+			try {gh->flow(this,dex,bufn,bufd);} CATCH_IT;
+			dex = newdex;
+			bufi = 0;
+		}
+	}
+	int m = (n/bufn)*bufn;
+	if (m) {
+		int newdex = dex + m;
+		try {gh->flow(this,dex,m,data);} CATCH_IT;
+		dex = newdex;
+	}
+	data += m;
+	n -= m;
+	if (buf && n>0) COPY((T *)*buf+bufi,data,n), bufi+=n;
+}
+
+void GridInlet::finish() {
+	if (!dim) RAISE("inlet not busy");
+	if (dim->prod() != dex) post("%s: incomplete grid: %ld of %ld from [%s] to [%s]",
+	    ARGS(parent),dex,long(dim->prod()),ARGS(sender->parent),ARGS(parent));
+#define FOO(T) try {gh->flow(this,dex,-2,(T *)0);} CATCH_IT;
+	TYPESWITCH(sender->nt,FOO,)
+#undef FOO
+	dim=0; buf=0; dex=0;
+}
+
+template <class T> void GridInlet::from_grid2(Grid *g, T foo) {
+	GridOutlet out(0,-1,g->dim,g->nt);
+	begin(&out);
+	size_t n = g->dim->prod();
+	if (n) out.send(n,(T *)*g); else finish();
+}
+
+void GridInlet::from_grid(Grid *g) {
+	if (!supports_type(g->nt)) RAISE("number type %s not supported here",number_type_table[g->nt].name);
+#define FOO(T) from_grid2(g,(T)0);
+	TYPESWITCH(g->nt,FOO,)
+#undef FOO
+}
+
+/* **************** GridOutlet ************************************ */
+
+GridOutlet::GridOutlet(FObject *parent_, int woutlet, P<Dim> dim_, NumberTypeE nt_) {
+	parent=parent_; dim=dim_; nt=nt_; dex=0; bufi=0; buf=0;
+	t_atom a[1];
+	SETGRIDOUT(a,this);
+	if (parent) {
+		outlet_anything(parent->bself->outlets[woutlet],bsym._grid,1,a);
+		if (!dim->prod()) finish();
+	}
+}
+
+void GridOutlet::create_buf () {
+	int32 lcm_factor = 1;
+	for (uint32 i=0; i<inlets.size(); i++) lcm_factor = lcm(lcm_factor,inlets[i]->factor());
+	//size_t ntsz = number_type_table[nt].size;
+	// biggest packet size divisible by lcm_factor
+	int32 v = (MAX_PACKET_SIZE/lcm_factor)*lcm_factor;
+	if (v==0) v=MAX_PACKET_SIZE; // factor too big. don't have a choice.
+	buf=new Grid(new Dim(v),nt);
+#ifdef TRACEBUFS
+	std::ostringstream text;
+	oprintf(text,"GridOutlet: %20s buf for sending to  ",buf->dim->to_s());
+	for (uint i=0; i<inlets.size(); i++) text << " " << (void *)inlets[i]->parent;
+	post("%s",text.str().data());
+#endif
+}
+
+// send modifies dex; send_direct doesn't
+template <class T>
+void GridOutlet::send_direct(long n, T *data) {
+	CHECK_BUSY(outlet); CHECK_TYPE(*data,nt); CHECK_ALIGN(data,nt);
+	while (n>0) {
+		long pn = n;//min((long)n,MAX_PACKET_SIZE);
+		for (uint32 i=0; i<inlets.size(); i++) try {inlets[i]->flow(pn,data);} CATCH_IT;
+		data+=pn, n-=pn;
+	}
+}
+
+void GridOutlet::flush() {
+	if (!buf) return;
+	if (!bufi) return;
+#define FOO(T) send_direct(bufi,(T *)*buf);
+	TYPESWITCH(buf->nt,FOO,)
+#undef FOO
+	bufi = 0;
+}
+
+template <class T, class S>
+static void convert_number_type(int n, T *out, S *in) {for (int i=0; i<n; i++) out[i]=(T)in[i];}
+
+//!@#$ buffering in outlet still is 8x faster...?
+//!@#$ should use BitPacking for conversion...?
+// send modifies dex; send_direct doesn't
+template <class T>
+void GridOutlet::send(long n, T *data) {
+	//if (inlets.size()==1 && inlets[0]->buf) post("GridOutlet::send(%ld), bufsize %ld",long(n),long(inlets[0]->buf->dim->prod()));
+	if (!n) return;
+	CHECK_BUSY(outlet); CHECK_ALIGN(data,nt);
+	if (NumberTypeE_type_of(data)!=nt) {
+		int bs = MAX_PACKET_SIZE;
+#define FOO(T) {T data2[bs]; \
+	for (;n>=bs;n-=bs,data+=bs) {convert_number_type(bs,data2,data); send(bs,data2);} \
+	convert_number_type(n,data2,data); send(n,data2);}
+		TYPESWITCH(nt,FOO,)
+#undef FOO
+	} else {
+		dex += n;
+		if (n > MIN_PACKET_SIZE || bufi + n > MAX_PACKET_SIZE) flush();
+		if (n > MIN_PACKET_SIZE) {
+			//post("send_direct %d",n);
+			send_direct(n,data);
+		} else {
+			//post("send_indirect %d",n);
+			if (!buf) create_buf();
+			COPY((T *)*buf+bufi,data,n);
+			bufi += n;
+		}
+		if (dex==dim->prod()) finish();
+	}
+}
+
+void GridOutlet::callback(GridInlet *in) {
+	CHECK_BUSY1(outlet);
+	inlets.push_back(in);
+}
+
+void GridOutlet::finish () {
+	flush();
+	for (uint32 i=0; i<inlets.size(); i++) inlets[i]->finish();
+	dim=0;
+}
+
+// never call this. this is a hack to make some things work.
+// i'm trying to circumvent either a bug in the compiler or i don't have a clue. :-(
+void make_gimmick () {
+	GridOutlet foo(0,0,0);
+#define FOO(S) foo.send(0,(S *)0);
+EACH_NUMBER_TYPE(FOO)
+#undef FOO
+	//foo.send(0,(float64 *)0); // this doesn't work, when trying to fix the new link problem in --lite mode.
+}