void CompilerContext::resetVisitedNodes(ASTNode const* _node)
{
stack<ASTNode const*> newStack;
newStack.push(_node);
std::swap(m_visitedNodes, newStack);
updateSourceLocation();
}
int main (int argc, const char * argv[]) {
MyLoopPlayer player;
// convert to an OpenAL-friendly format and read into memory
CheckError(loadLoopIntoBuffer(&player),
"Couldn't load loop into buffer") ;
// set up OpenAL buffer
ALCdevice* alDevice = alcOpenDevice(NULL);
CheckALError ("Couldn't open AL device"); // default device
ALCcontext* alContext = alcCreateContext(alDevice, 0);
CheckALError ("Couldn't open AL context");
alcMakeContextCurrent (alContext);
CheckALError ("Couldn't make AL context current");
ALuint buffers[1];
alGenBuffers(1, buffers);
CheckALError ("Couldn't generate buffers");
alBufferData(*buffers,
AL_FORMAT_MONO16,
player.sampleBuffer,
player.bufferSizeBytes,
player.dataFormat.mSampleRate);
// AL copies the samples, so we can free them now
free(player.sampleBuffer);
// set up OpenAL source
alGenSources(1, player.sources);
CheckALError ("Couldn't generate sources");
alSourcei(player.sources[0], AL_LOOPING, AL_TRUE);
CheckALError ("Couldn't set source looping property");
alSourcef(player.sources[0], AL_GAIN, AL_MAX_GAIN);
CheckALError("Couldn't set source gain");
updateSourceLocation(player);
CheckALError ("Couldn't set initial source position");
// connect buffer to source
alSourcei(player.sources[0], AL_BUFFER, buffers[0]);
CheckALError ("Couldn't connect buffer to source");
// set up listener
alListener3f (AL_POSITION, 0.0, 0.0, 0.0);
CheckALError("Couldn't set listner position");
// ALfloat listenerOrientation[6]; // 3 vectors: forward x,y,z components, then up x,y,z
// listenerOrientation[2] = -1.0;
// listenerOrientation[0] = listenerOrientation [1] = 0.0;
// listenerOrientation[3] = listenerOrientation [4] = listenerOrientation[5] = 0.0;
// alListenerfv (AL_ORIENTATION, listenerOrientation);
// start playing
// alSourcePlayv (1, player.sources);
alSourcePlay(player.sources[0]);
CheckALError ("Couldn't play");
// and wait
printf("Playing...\n");
time_t startTime = time(NULL);
do
{
// get next theta
updateSourceLocation(player);
CheckALError ("Couldn't set looping source position");
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);
} while (difftime(time(NULL), startTime) < RUN_TIME);
// cleanup:
alSourceStop(player.sources[0]);
alDeleteSources(1, player.sources);
alDeleteBuffers(1, buffers);
alcDestroyContext(alContext);
alcCloseDevice(alDevice);
printf ("Bottom of main\n");
}
int main (int argc, const char * argv[]) {
MyStreamPlayer player;
// prepare the ExtAudioFile for reading
CheckError(setUpExtAudioFile(&player),
"Couldn't open ExtAudioFile") ;
// set up OpenAL buffers
ALCdevice* alDevice = alcOpenDevice(NULL);
CheckALError ("Couldn't open AL device"); // default device
ALCcontext* alContext = alcCreateContext(alDevice, 0);
CheckALError ("Couldn't open AL context");
alcMakeContextCurrent (alContext);
CheckALError ("Couldn't make AL context current");
ALuint buffers[BUFFER_COUNT];
alGenBuffers(BUFFER_COUNT, buffers);
CheckALError ("Couldn't generate buffers");
for (int i=0; i<BUFFER_COUNT; i++) {
fillALBuffer(&player, buffers[i]);
}
// set up streaming source
alGenSources(1, player.sources);
CheckALError ("Couldn't generate sources");
alSourcef(player.sources[0], AL_GAIN, AL_MAX_GAIN);
CheckALError("Couldn't set source gain");
updateSourceLocation(player);
CheckALError ("Couldn't set initial source position");
// queue up the buffers on the source
alSourceQueueBuffers(player.sources[0],
BUFFER_COUNT,
buffers);
CheckALError("Couldn't queue buffers on source");
// set up listener
alListener3f (AL_POSITION, 0.0, 0.0, 0.0);
CheckALError("Couldn't set listner position");
// start playing
alSourcePlayv (1, player.sources);
CheckALError ("Couldn't play");
// and wait
printf("Playing...\n");
time_t startTime = time(NULL);
do
{
// get next theta
updateSourceLocation(player);
CheckALError ("Couldn't set source position");
// refill buffers if needed
refillALBuffers (&player);
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.1, false);
} while (difftime(time(NULL), startTime) < RUN_TIME);
// cleanup:
alSourceStop(player.sources[0]);
alDeleteSources(1, player.sources);
alDeleteBuffers(BUFFER_COUNT, buffers);
alcDestroyContext(alContext);
alcCloseDevice(alDevice);
printf ("Bottom of main\n");
}
