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wrap mixer set_volume, use tuple to match get_volume

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Original commit message from CVS:
* examples/mixer.py:
* gst/interfaces.override:
wrap mixer set_volume, use tuple to match get_volume
This commit is contained in:
Thomas Vander Stichele 2007-01-17 11:22:04 +00:00
parent 10fe9ba7f4
commit 7a27ebbd79
3 changed files with 65 additions and 3 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2007-01-17 Thomas Vander Stichele <thomas at apestaart dot org>
* examples/mixer.py:
* gst/interfaces.override:
wrap mixer set_volume, use tuple to match get_volume
2007-01-17 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/pygstexception.c: (element_not_found_error_init),

17
examples/mixer.py
View file

@ -6,15 +6,26 @@ import sys
import gst
import gst.interfaces
a = gst.element_factory_make('alsasrc')
print a.set_state(gst.STATE_PLAYING)
pipeline = "alsasrc"
if sys.argv[1:]:
pipeline = " ".join(sys.argv[1:])
a = gst.element_factory_make(pipeline)
print dir(a)
res = a.set_state(gst.STATE_PAUSED)
if res != gst.STATE_CHANGE_SUCCESS:
print "Could not set pipeline %s to PAUSED" % pipeline
print "Inputs:"
for t in a.list_tracks():
if t.flags & gst.interfaces.MIXER_TRACK_INPUT:
sys.stdout.write(t.label)
sys.stdout.write(': %d - %d' % (t.min_volume, t.max_volume))
sys.stdout.write(': %r' % (a.get_volume(t), ))
volumes = a.get_volume(t)
sys.stdout.write(': %r' % (volumes, ))
if t.props.num_channels > 0:
a.set_volume(t, volumes=volumes)
if t.flags & gst.interfaces.MIXER_TRACK_RECORD:
sys.stdout.write(' (selected)')
sys.stdout.write('\n')

45
gst/interfaces.override
View file

@ -162,6 +162,51 @@ _wrap_gst_mixer_options_get_values (PyGObject *self)
return py_list;
}
%%
override gst_mixer_set_volume kwargs
static PyObject *
_wrap_gst_mixer_set_volume (PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "track", "volumes", NULL };
PyGObject *track;
PyObject *py_tuple;
gint *volumes = NULL;
gint channels;
int i;
PyObject *ret;
if (!PyArg_ParseTupleAndKeywords (args, kwargs, "O!O:GstMixer.set_volume",
kwlist, &PyGstMixerTrack_Type, &track, &py_tuple))
return NULL;
g_object_get (GST_MIXER_TRACK (track->obj), "num-channels", &channels,
NULL);
if (channels != PyTuple_Size (py_tuple)) {
PyErr_Format (PyExc_TypeError,
"Track channel count %d != volume tuple size %d",
channels, PyTuple_Size (py_tuple));
return NULL;
}
Py_INCREF(Py_None);
ret = Py_None;
if (channels == 0)
return ret;
volumes = g_malloc (channels * sizeof (gint));
for (i = 0; i < channels; ++i) {
volumes[i] = PyInt_AsLong (PyTuple_GET_ITEM (py_tuple, i));
}
gst_mixer_set_volume (GST_MIXER (self->obj), GST_MIXER_TRACK (track->obj),
volumes);
g_free (volumes);
return ret;
}
%%
override gst_mixer_get_volume kwargs
static PyObject *