int PlayerObject::setPlaying(bool playing) {
PlayerObject* player = this;
bool oldplayingstate = false;
PyScopedGIL gil;
{
PyScopedGIUnlock gunlock;
player->workerThread.start(); // if not running yet, start
if(!player->outStream.get())
player->outStream.reset(new OutStream(this));
assert(player->outStream.get() != NULL);
if(soundcardOutputEnabled) {
if(playing && !player->outStream->stream) {
if(!player->outStream->open())
playing = false;
}
}
oldplayingstate = player->playing;
if(soundcardOutputEnabled && player->outStream.get() && player->outStream->isOpen() && oldplayingstate != playing)
fader.init(playing ? 1 : -1, outSamplerate);
player->playing = playing;
}
if(!PyErr_Occurred() && player->dict) {
Py_INCREF(player->dict);
PyObject* onPlayingStateChange = PyDict_GetItemString(player->dict, "onPlayingStateChange");
if(onPlayingStateChange && onPlayingStateChange != Py_None) {
Py_INCREF(onPlayingStateChange);
PyObject* kwargs = PyDict_New();
assert(kwargs);
PyDict_SetItemString_retain(kwargs, "oldState", PyBool_FromLong(oldplayingstate));
PyDict_SetItemString_retain(kwargs, "newState", PyBool_FromLong(playing));
PyObject* retObj = PyEval_CallObjectWithKeywords(onPlayingStateChange, NULL, kwargs);
Py_XDECREF(retObj);
// errors are not fatal from the callback, so handle it now and go on
if(PyErr_Occurred())
PyErr_Print();
Py_DECREF(kwargs);
Py_DECREF(onPlayingStateChange);
}
Py_DECREF(player->dict);
}
return PyErr_Occurred() ? -1 : 0;
}
int PlayerObject::setPlaying(bool playing) {
PlayerObject* player = this;
bool oldplayingstate = false;
PyScopedGIL gil;
{
PyScopedGIUnlock gunlock;
player->workerThread.start(); // if not running yet, start
if(!player->outStream.get())
player->outStream.reset(new OutStream(this));
assert(player->outStream.get() != NULL);
if(playing && !player->outStream->stream) {
PaError ret;
ret = Pa_OpenDefaultStream(
&player->outStream->stream,
0,
player->outNumChannels, // numOutputChannels
paInt16, // sampleFormat
player->outSamplerate, // sampleRate
AUDIO_BUFFER_SIZE / 2, // framesPerBuffer,
&paStreamCallback,
player //void *userData
);
if(ret != paNoError) {
PyErr_SetString(PyExc_RuntimeError, "Pa_OpenDefaultStream failed");
if(player->outStream->stream)
player->outStream->close();
playing = 0;
}
}
if(playing) {
player->needRealtimeReset = 1;
Pa_StartStream(player->outStream->stream);
} else
player->outStream->stop();
oldplayingstate = player->playing;
player->playing = playing;
}
if(!PyErr_Occurred() && player->dict) {
Py_INCREF(player->dict);
PyObject* onPlayingStateChange = PyDict_GetItemString(player->dict, "onPlayingStateChange");
if(onPlayingStateChange && onPlayingStateChange != Py_None) {
Py_INCREF(onPlayingStateChange);
PyObject* kwargs = PyDict_New();
assert(kwargs);
PyDict_SetItemString_retain(kwargs, "oldState", PyBool_FromLong(oldplayingstate));
PyDict_SetItemString_retain(kwargs, "newState", PyBool_FromLong(playing));
PyObject* retObj = PyEval_CallObjectWithKeywords(onPlayingStateChange, NULL, kwargs);
Py_XDECREF(retObj);
// errors are not fatal from the callback, so handle it now and go on
if(PyErr_Occurred())
PyErr_Print();
Py_DECREF(kwargs);
Py_DECREF(onPlayingStateChange);
}
Py_DECREF(player->dict);
}
return PyErr_Occurred() ? -1 : 0;
}
