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+/**************************************************************************
+
+ libkmid.cc - class KMidSimpleAPI that makes it easy to use libkmid
+ and a C wrapper.
+ This file is part of LibKMid 0.9.5
+ Copyright (C) 2000 Antonio Larrosa Jimenez
+ LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+ Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
+
+***************************************************************************/
+
+#include "libkmid.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/shm.h>
+
+#include "deviceman.h"
+#include "player.h"
+#include "midimapper.h"
+
+struct kMidData kMid;
+
+int KMidSimpleAPI::kMidInit(void)
+{
+ kMid.midi = new DeviceManager();
+ if ( kMid.midi == 0L ) return 1;
+ kMid.midi->initManager();
+ if (!kMid.midi->ok()) return 1;
+
+ kMid.pctlsmID=shmget(getpid(),sizeof(PlayerController),0600 | IPC_CREAT);
+ if (kMid.pctlsmID==-1) return 1;
+ kMid.pctl=(PlayerController *)shmat(kMid.pctlsmID,NULL,0);
+ if (kMid.pctl==NULL) return 1;
+
+ kMid.player=new MidiPlayer(kMid.midi,kMid.pctl);
+ if ( kMid.player == 0L )
+ {
+ delete kMid.midi;
+ return 1;
+ }
+
+ kMid.player->setParseSong(false);
+
+ kMid.pctl->message=0;
+ kMid.pctl->gm=1;
+ kMid.pctl->error=0;
+ kMid.pctl->ratioTempo=1.0;
+ kMid.pctl->tempo=500000;
+ kMid.pctl->volumepercentage=100;
+ for (int i=0;i<16;i++)
+ {
+ kMid.pctl->forcepgm[i]=0;
+ kMid.pctl->pgm[i]=0;
+ }
+
+ return 0;
+}
+
+int KMidSimpleAPI::kMidLoad(const char *filename)
+{
+ if (kMidDevices()==0) return 0;
+ return kMid.player->loadSong(filename);
+}
+
+int KMidSimpleAPI::kMidPlay(int loop)
+{
+ if (kMidDevices()==0) return 4;
+ if (!kMid.player->isSongLoaded()) return 1;
+ if (kMid.pctl->playing==1) return 2;
+ if (kMid.midi->checkInit()==-1) return 3;
+ kMid.pctl->message=0;
+ kMid.pctl->playing=0;
+ kMid.pctl->finished=0;
+ kMid.pctl->error=0;
+ kMid.pctl->SPEVplayed=0;
+ kMid.pctl->SPEVprocessed=0;
+ kMid.pctl->millisecsPlayed=0;
+ if ((kMid.pid=fork())==0)
+ {
+ if (loop)
+ {
+ while (1)
+ {
+ kMid.player->play();
+ if (kMid.pctl->error) return 5;
+ kMid.pctl->message=0;
+ kMid.pctl->playing=0;
+ kMid.pctl->finished=0;
+ kMid.pctl->error=0;
+ kMid.pctl->SPEVplayed=0;
+ kMid.pctl->SPEVprocessed=0;
+ kMid.pctl->millisecsPlayed=0;
+ }
+
+ } else {
+ kMid.player->play();
+ if (kMid.pctl->error) return 5;
+ }
+ _exit(0);
+ } else return 4;
+ return 0;
+}
+
+int KMidSimpleAPI::kMidStop(void)
+{
+ if (kMidDevices()==0) return 4;
+ if (kMid.pctl->playing==0) return 1;
+ if (kMid.pid!=0)
+ {
+ kill(kMid.pid,SIGTERM);
+ waitpid(kMid.pid, NULL, 0);
+ kMid.pid=0;
+ } else return 2;
+
+ kMid.pctl->playing=0;
+ return 0;
+}
+
+void KMidSimpleAPI::kMidDestruct(void)
+{
+ delete kMid.midi;
+ kMid.midi=0L;
+ delete kMid.player;
+ kMid.player=0L;
+ delete kMid.map;
+ shmdt((char *)kMid.pctl);
+ shmctl(kMid.pctlsmID, IPC_RMID, 0L);
+}
+
+int KMidSimpleAPI::kMidIsPlaying(void)
+{
+ return kMid.pctl->playing;
+}
+
+int KMidSimpleAPI::kMidDevices(void)
+{
+ return kMid.midi->midiPorts()+kMid.midi->synthDevices();
+}
+
+const char * KMidSimpleAPI::kMidName(int i)
+{
+ return kMid.midi->name(i);
+}
+
+const char * KMidSimpleAPI::kMidType(int i)
+{
+ return kMid.midi->type(i);
+}
+
+void KMidSimpleAPI::kMidSetDevice(int i)
+{
+ kMid.midi->setDefaultDevice(i);
+}
+
+void KMidSimpleAPI::kMidSetMidiMapper(const char *mapfilename)
+{
+ if (kMidDevices()==0) return;
+ kMid.map=new MidiMapper(mapfilename);
+ if ((kMid.map->ok() == 0L)||(!kMid.map->ok())) return;
+ kMid.midi->setMidiMap(kMid.map);
+}
+
+const char *KMidSimpleAPI::kMidVersion(void)
+{
+ return "0.9.5";
+}
+
+const char *KMidSimpleAPI::kMidCopyright(void)
+{
+ return "LibKMid 0.9.5 (C)1997-2000 Antonio Larrosa Jimenez <larrosa@kde.org>.Malaga(es)";
+}
+
+/* * * * * *
+
+ Under this line (------) there's only a C wrapper for the KMidSimpleAPI class
+
+* * * * * */
+
+
+int kMidInit(void)
+{
+ return KMidSimpleAPI::kMidInit();
+}
+
+int kMidLoad(const char *filename)
+{
+ return KMidSimpleAPI::kMidLoad(filename);
+}
+
+int kMidPlay(void)
+{
+ return KMidSimpleAPI::kMidPlay();
+}
+
+int kMidStop(void)
+{
+ return KMidSimpleAPI::kMidStop();
+}
+
+void kMidDestruct(void)
+{
+ KMidSimpleAPI::kMidDestruct();
+}
+
+int kMidIsPlaying(void)
+{
+ return KMidSimpleAPI::kMidIsPlaying();
+}
+
+int kMidDevices(void)
+{
+ return KMidSimpleAPI::kMidDevices();
+}
+
+const char *kMidName(int i)
+{
+ return KMidSimpleAPI::kMidName(i);
+}
+
+const char *kMidType(int i)
+{
+ return KMidSimpleAPI::kMidType(i);
+}
+
+void kMidSetDevice(int i)
+{
+ KMidSimpleAPI::kMidSetDevice(i);
+}
+
+void kMidSetMidiMapper(const char *mapfilename)
+{
+ KMidSimpleAPI::kMidSetMidiMapper(mapfilename);
+}
+
+const char *kMidVersion(void)
+{
+ return KMidSimpleAPI::kMidVersion();
+}
+
+const char *kMidCopyright(void)
+{
+ return KMidSimpleAPI::kMidCopyright();
+}
+