auracaster/sw_pyalsaaudio
3
0
Fork 0
forked from auracaster/pyalsaaudio
Code Pull Requests Activity

Add PCM.avail()

Browse Source 
Will be used in the upcoming loopback implementation, but it is
worthwhile regardless.
This commit is contained in:
Lars Immisch
2023-09-12 21:04:02 +02:00
committed by Oswald Buddenhagen
parent 9637703ab5
commit 43a94b3c62
1 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
alsaaudio.c
View File

@@ -1504,6 +1504,30 @@ static PyObject *alsapcm_write(alsapcm_t *self, PyObject *args)
return rc;
}
static PyObject *
alsapcm_avail(alsapcm_t *self, PyObject *args)
{
if (!PyArg_ParseTuple(args,":avail"))
return NULL;
if (!self->handle)
{
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
long avail = snd_pcm_avail(self->handle);
// if (avail < 0)
// {
// PyErr_Format(ALSAAudioError, "%s [%s]", snd_strerror(avail),
// self->cardname);
// return NULL;
// }
return PyLong_FromLong(avail);
}
static PyObject *alsapcm_pause(alsapcm_t *self, PyObject *args)
{
int enabled=1, res;
@@ -1649,6 +1673,7 @@ static PyMethodDef alsapcm_methods[] = {
{"getchannels", (PyCFunction)alsapcm_getchannels, METH_VARARGS},
{"read", (PyCFunction)alsapcm_read, METH_VARARGS},
{"write", (PyCFunction)alsapcm_write, METH_VARARGS},
{"avail", (PyCFunction)alsapcm_avail, METH_VARARGS},
{"pause", (PyCFunction)alsapcm_pause, METH_VARARGS},
{"drop", (PyCFunction)alsapcm_drop, METH_VARARGS},
{"drain", (PyCFunction)alsapcm_drain, METH_VARARGS},