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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /noatun/library/noatunarts/StereoEffectStack_impl.cpp
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'noatun/library/noatunarts/StereoEffectStack_impl.cpp')
-rw-r--r--noatun/library/noatunarts/StereoEffectStack_impl.cpp253
1 files changed, 253 insertions, 0 deletions
diff --git a/noatun/library/noatunarts/StereoEffectStack_impl.cpp b/noatun/library/noatunarts/StereoEffectStack_impl.cpp
new file mode 100644
index 00000000..684d9694
--- /dev/null
+++ b/noatun/library/noatunarts/StereoEffectStack_impl.cpp
@@ -0,0 +1,253 @@
+#include "noatunarts.h"
+
+#include <artsflow.h>
+#include <flowsystem.h>
+#include <stdsynthmodule.h>
+#include <debug.h>
+
+using namespace std;
+using namespace Arts;
+
+namespace Noatun
+{
+class StereoEffectStack_impl : public StereoEffectStack_skel, public StdSynthModule
+{
+ public:
+ long nextID;
+
+ struct EffectEntry
+ {
+ StereoEffect effect;
+ string name;
+ long id;
+ };
+ list<EffectEntry *> fx;
+
+ void xconnect(bool connect, Object from, string fromP, Object to, string toP)
+ {
+ if(connect)
+ from._node()->connect(fromP,to._node(),toP);
+ else
+ from._node()->disconnect(fromP,to._node(),toP);
+ }
+
+ void xvirtualize(bool connect, string myPort, Object impl, string implPort)
+ {
+ if(connect)
+ _node()->virtualize(myPort,impl._node(),implPort);
+ else
+ _node()->devirtualize(myPort,impl._node(),implPort);
+ }
+
+ void internalconnect(bool c)
+ {
+ if(fx.empty())
+ {
+ /* no effects - forward input through to output */
+ xvirtualize(c,"outleft",Object::_from_base(this->_copy()),"inleft");
+ xvirtualize(c,"outright",Object::_from_base(this->_copy()),"inright");
+ }
+ else
+ {
+ list<EffectEntry *>::iterator ei;
+ EffectEntry *laste = 0;
+
+ long count = 0;
+ for(ei = fx.begin(); ei != fx.end(); ei++, count++)
+ {
+ EffectEntry *e = *ei;
+ if(count == 0) /* top of chain? virtualize to effect */
+ {
+ xvirtualize(c,"inleft",e->effect,"inleft");
+ xvirtualize(c,"inright",e->effect,"inright");
+ }
+ else /* not top? connect last effect to current effect */
+ {
+ xconnect(c,laste->effect,"outleft",e->effect,"inleft");
+ xconnect(c,laste->effect,"outright",e->effect,"inright");
+ }
+ laste = e;
+ }
+ /* end: virtualize effect output to our output */
+ xvirtualize(c,"outleft",laste->effect,"outleft");
+ xvirtualize(c,"outright",laste->effect,"outright");
+ }
+ }
+ void disconnect() { internalconnect(false); }
+ void reconnect() { internalconnect(true); }
+
+
+ long insertAfter(long after, StereoEffect effect, const string &name)
+ {
+ arts_return_val_if_fail(!effect.isNull(),0);
+ disconnect();
+
+ list<EffectEntry*>::iterator i = fx.begin();
+
+ bool found=false;
+ // seek through until we find 'after'
+ while(i != fx.end())
+ if((*i)->id == after)
+ {
+ found = true;
+ break;
+ }
+ else
+ i++;
+
+ long newId=0;
+ if (found)
+ {
+ i++;
+ EffectEntry *e = new EffectEntry;
+ e->effect=effect;
+ e->name=name;
+ e->id=nextID++;
+ fx.insert(i, e);
+ newId=e->id;
+ }
+ else
+ arts_warning("StereoEffectStack::insertAfter failed. "
+ "id %d not found?", after);
+
+ reconnect();
+ return newId;
+
+ }
+
+ void move(long after, long item)
+ {
+ arts_return_if_fail(item != 0);
+ disconnect();
+
+ list<EffectEntry*>::iterator iAfter=fx.begin();
+ bool found=false;
+ if (after)
+ while(iAfter != fx.end())
+ if((*iAfter)->id == after)
+ {
+ found = true;
+ iAfter++;
+ break;
+ }
+ else
+ iAfter++;
+ else
+ found=true;
+
+ list<EffectEntry*>::iterator iItem=fx.begin();
+ while (iItem != fx.end())
+ if((*iItem)->id == item)
+ {
+ found &= true;
+ break;
+ }
+ else
+ iItem++;
+ if (!found)
+ arts_warning("StereoEffectStack::move couldn't find items");
+ else
+ {
+ fx.insert(iAfter, *iItem);
+ fx.erase(iItem);
+ }
+
+ reconnect();
+
+ }
+
+ vector<long> *effectList()
+ {
+ vector<long> *items=new vector<long>;
+ for (list<EffectEntry*>::iterator i=fx.begin(); i!=fx.end();i++)
+ items->push_back((*i)->id);
+ return items;
+ }
+
+ // as stolen from stereoeffectstack_impl.cc
+ StereoEffectStack_impl() : nextID(1)
+ {
+ reconnect();
+ }
+
+ ~StereoEffectStack_impl()
+ {
+ // disconnect remaining effects
+ EffectEntry *laste = 0;
+ list<EffectEntry *>::iterator ei;
+
+ for(ei = fx.begin(); ei != fx.end(); ei++)
+ {
+ EffectEntry *e = *ei;
+ if(laste)
+ {
+ xconnect(false,laste->effect,"outleft",e->effect,"inleft");
+ xconnect(false,laste->effect,"outright",e->effect,"inright");
+ }
+ laste = e;
+ }
+ // delete remaining effect entries
+ for(ei = fx.begin(); ei != fx.end(); ei++)
+ delete *ei;
+ fx.clear();
+ }
+ long insertTop(StereoEffect effect, const string& name)
+ {
+ arts_return_val_if_fail(!effect.isNull(),0);
+
+ disconnect();
+ EffectEntry *e = new EffectEntry();
+ e->effect = effect;
+ e->name = name;
+ e->id = nextID++;
+ fx.push_front(e);
+ reconnect();
+ return e->id;
+ }
+ long insertBottom(StereoEffect effect, const string& name)
+ {
+ arts_return_val_if_fail(!effect.isNull(),0);
+
+ disconnect();
+ EffectEntry *e = new EffectEntry();
+ e->effect = effect;
+ e->name = name;
+ e->id = nextID++;
+ fx.push_back(e);
+ reconnect();
+ return e->id;
+ }
+
+ void remove(long ID)
+ {
+ arts_return_if_fail(ID != 0);
+
+ bool found = false;
+ disconnect();
+ list<EffectEntry *>::iterator ei = fx.begin();
+
+ while(ei != fx.end())
+ {
+ if((*ei)->id == ID) {
+ found = true;
+ delete (*ei);
+ fx.erase(ei);
+ ei = fx.begin();
+ }
+ else ei++;
+ }
+ if(!found) {
+ arts_warning("StereoEffectStack::remove failed. id %d not found?",
+ ID);
+ }
+ reconnect();
+ }
+
+ AutoSuspendState autoSuspend() { return asSuspend; }
+
+};
+
+REGISTER_IMPLEMENTATION(StereoEffectStack_impl);
+
+}
+