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

Merge pull request #44 from Oranos25/contribution

Browse Source 
add support for snd_pcm_drop function
This commit is contained in:
Lars Immisch
2019-11-14 13:24:36 +01:00
committed by GitHub
parent e587df9143 9e79494a95
commit dcc831e607
1 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
alsaaudio.c
View File

@@ -994,6 +994,43 @@ PyDoc_STRVAR(pause_doc,
If enable is 1, playback or capture is paused. If enable is 0,\n\
playback/capture is resumed.");
static PyObject *alsapcm_drop(alsapcm_t *self)
{
int res;
if (!self->handle) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
res = snd_pcm_drop(self->handle);
if (res < 0)
{
PyErr_Format(ALSAAudioError, "%s [%s]", snd_strerror(res),
self->cardname);
return NULL;
}
res = snd_pcm_prepare(self->handle);
if (res < 0)
{
PyErr_Format(ALSAAudioError, "%s [%s]", snd_strerror(res),
self->cardname);
return NULL;
}
return PyLong_FromLong(res);
}
PyDoc_STRVAR(drop_doc,
"drop(enable=1)\n\
\n\
stop current read and drop residual packet");
static PyObject *
alsapcm_polldescriptors(alsapcm_t *self, PyObject *args)
{
@@ -1067,6 +1104,7 @@ static PyMethodDef alsapcm_methods[] = {
{"read", (PyCFunction)alsapcm_read, METH_VARARGS, read_doc},
{"write", (PyCFunction)alsapcm_write, METH_VARARGS, write_doc},
{"pause", (PyCFunction)alsapcm_pause, METH_VARARGS, pause_doc},
{"drop", (PyCFunction)alsapcm_drop, METH_VARARGS, drop_doc},
{"close", (PyCFunction)alsapcm_close, METH_VARARGS, pcm_close_doc},
{"polldescriptors", (PyCFunction)alsapcm_polldescriptors, METH_VARARGS,
pcm_polldescriptors_doc},