219 static PyObject *
220 alsapcm_new(PyTypeObject *type, PyObject *args, PyObject *kwds) 
221 {
222     int res;
223     alsapcm_t *self;
224     int pcmtype = SND_PCM_STREAM_PLAYBACK;
225     int pcmmode = 0;
226     char *kw[] = { "type", "mode", "card", NULL };
227     char *cardname = NULL;
228     
229     if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iiz", kw,
when PyArg_ParseTupleAndKeywords() succeeds
taking False path
230                                      &pcmtype, &pcmmode, &cardname)) 
231         return NULL;
232     
233     if (!(self = (alsapcm_t *)PyObject_New(alsapcm_t, &ALSAPCMType))) 
when _PyObject_New() succeeds
taking False path
_PyObject_New allocated at:     if (!(self = (alsapcm_t *)PyObject_New(alsapcm_t, &ALSAPCMType)))
ob_refcnt is now refs: 1 + N where N >= 0
234         return NULL;
235     
236     if (pcmtype != SND_PCM_STREAM_PLAYBACK && 
when considering range: -0x80000000 <= value <= 1
taking False path
237         pcmtype != SND_PCM_STREAM_CAPTURE) 
238     {
239         PyErr_SetString(ALSAAudioError, "PCM type must be PCM_PLAYBACK (0) "
240                         "or PCM_CAPTURE (1)");
241         return NULL;
242     }
243     if (pcmmode < 0 || pcmmode > SND_PCM_ASYNC) {
when considering range: -0x80000000 <= value <= 2
taking False path
244         PyErr_SetString(ALSAAudioError, "Invalid PCM mode");
245         return NULL;
246     }
247     self->handle = 0;
248     self->pcmtype = pcmtype;
249     self->pcmmode = pcmmode;
250     self->cardname = translate_cardname(cardname);
251     self->channels = 2;
252     self->rate = 44100;
253     self->format = SND_PCM_FORMAT_S16_LE;
254     self->periodsize = 32;
255     
256     res = snd_pcm_open(&(self->handle), self->cardname, self->pcmtype,
257                        self->pcmmode);
258     
259     if (res >= 0)
when considering range: -0x80000000 <= value <= -1
taking False path
260         res = alsapcm_setup(self);
261     
262     if (res < 0) 
taking True path
263     {
264         if (self->handle) 
when treating unknown struct snd_pcm_t * * from alsaaudio.c:256 as non-NULL
taking True path
265         {
266             snd_pcm_close(self->handle);
267             self->handle = 0;
268         }
269         PyErr_SetString(ALSAAudioError, snd_strerror(res));
calling PyErr_SetString()
270         return NULL;    
271     }
272     return (PyObject *)self;
273 }
ob_refcnt of '*self' is 1 too high
was expecting final ob_refcnt to be N + 0 (for some unknown N)
but final ob_refcnt is N + 1
found 5 similar trace(s) to this