void main(int argc, char** args) {
if(argc != 2) {
printf("Syntax: %s <path>");
return;
}
char* path = args[1];
LavHandle node;
LavHandle simulation;
ERRCHECK(Lav_initialize());
ERRCHECK(Lav_createSimulation(44100, 1024, &simulation));
ERRCHECK(Lav_simulationSetOutputDevice(simulation, -1, 2, 2));
ERRCHECK(Lav_createBufferNode(simulation, &node));
LavHandle buffer;
ERRCHECK(Lav_createBuffer(simulation, &buffer));
ERRCHECK(Lav_bufferLoadFromFile(buffer, path));
ERRCHECK(Lav_nodeSetBufferProperty(node, Lav_BUFFER_BUFFER, buffer));
LavHandle limit;
ERRCHECK(Lav_createHardLimiterNode(simulation, 2, &limit));
ERRCHECK(Lav_nodeConnect(node, 0, limit, 0));
ERRCHECK(Lav_nodeSetEvent(node, Lav_BUFFER_END_EVENT, endOfBufferCallback, nullptr));
ERRCHECK(Lav_nodeConnectSimulation(limit, 0));
//enter the transducer loop.
char command[1024];
printf("Commands: q(q)uit, (s)eek, (v)olume, (p)itch bend\n");
printf("pl(a)y/pause\n");
bool isPlaying = true;
while(1) {
fgets(command, 1023, stdin);
if(command[0] == 'q') break;
float value;
char* start = &command[1];
while(*start == ' ') start+=1; //skip spaces.
sscanf(start, "%f", &value);
switch(command[0]) {
case 'p': Lav_nodeSetFloatProperty(node, Lav_BUFFER_PITCH_BEND, value); break;
case 'v': Lav_nodeSetFloatProperty(node, Lav_NODE_MUL, value); break;
case 's': Lav_nodeSetDoubleProperty(node, Lav_BUFFER_POSITION, value); break;
case 'a': isPlaying = ! isPlaying; Lav_nodeSetIntProperty(node, Lav_NODE_STATE, isPlaying == false ? Lav_NODESTATE_PAUSED: Lav_NODESTATE_PLAYING); break;
default: printf("Unrecognized command.\n"); break;
}
}
return;
Lav_shutdown();
}
LavError createDoppleringDelay(LavHandle s, LavHandle& h) {
ERRCHECK(Lav_createDoppleringDelayNode(s, 0.1, 1, &h));
ERRCHECK(Lav_nodeSetFloatProperty(h, Lav_DELAY_DELAY, 0.1));
return Lav_ERROR_NONE;
}
