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/* $Id$ */
/***
This file is part of gst-polyp.
gst-polyp is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
gst-polyp is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with gst-polyp; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <stdio.h>
#include "polypmixer.h"
enum {
PROP_SERVER = 1,
PROP_DEVICE,
PROP_DEVICE_NAME
};
GST_DEBUG_CATEGORY_EXTERN(polyp_debug);
#define GST_CAT_DEFAULT polyp_debug
GST_IMPLEMENT_POLYPMIXER_CTRL_METHODS(GstPolypMixer, gst_polypmixer)
GST_BOILERPLATE_WITH_INTERFACE(GstPolypMixer, gst_polypmixer, GstElement, GST_TYPE_ELEMENT, GstMixer, GST_TYPE_MIXER, gst_polypmixer)
static void gst_polypmixer_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_polypmixer_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gst_polypmixer_finalize(GObject *object);
static GstStateChangeReturn gst_polypmixer_change_state(GstElement *element, GstStateChange transition);
static void gst_polypmixer_base_init(gpointer g_class) {
static const GstElementDetails details =
GST_ELEMENT_DETAILS(
"Polypaudio Mixer",
"Generic/Audio",
"Control sound input and output levels for Polypaudio",
"Lennart Poettering");
gst_element_class_set_details(GST_ELEMENT_CLASS(g_class), &details);
}
static void gst_polypmixer_class_init(GstPolypMixerClass *g_class) {
GstElementClass *gstelement_class = GST_ELEMENT_CLASS(g_class);
GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
gstelement_class->change_state = GST_DEBUG_FUNCPTR(gst_polypmixer_change_state);
gobject_class->finalize = GST_DEBUG_FUNCPTR(gst_polypmixer_finalize);
gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_polypmixer_get_property);
gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_polypmixer_set_property);
g_object_class_install_property(
gobject_class,
PROP_SERVER,
g_param_spec_string("server", "Server", "The Polypaudio server to connect to", NULL, G_PARAM_READWRITE));
g_object_class_install_property(
gobject_class,
PROP_DEVICE,
g_param_spec_string("device", "Sink/Source", "The Polypaudio sink or source to control", NULL, G_PARAM_READWRITE));
g_object_class_install_property(
gobject_class,
PROP_DEVICE_NAME,
g_param_spec_string("device-name", "Device name", "Human-readable name of the sound device", NULL, G_PARAM_READABLE));
}
static void gst_polypmixer_init(GstPolypMixer *this, GstPolypMixerClass *g_class) {
this->mixer = NULL;
this->server = NULL;
this->device = NULL;
}
static void gst_polypmixer_finalize(GObject *object) {
GstPolypMixer *this = GST_POLYPMIXER(object);
g_free(this->server);
g_free(this->device);
if (this->mixer) {
gst_polypmixer_ctrl_free(this->mixer);
this->mixer = NULL;
}
G_OBJECT_CLASS(parent_class)->finalize(object);
}
static void gst_polypmixer_set_property(
GObject * object,
guint prop_id,
const GValue * value,
GParamSpec * pspec) {
GstPolypMixer *this = GST_POLYPMIXER(object);
switch (prop_id) {
case PROP_SERVER:
g_free(this->server);
this->server = g_value_dup_string(value);
break;
case PROP_DEVICE:
g_free(this->device);
this->device = g_value_dup_string(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void gst_polypmixer_get_property(
GObject * object,
guint prop_id,
GValue * value,
GParamSpec * pspec) {
GstPolypMixer *this = GST_POLYPMIXER(object);
switch(prop_id) {
case PROP_SERVER:
g_value_set_string(value, this->server);
break;
case PROP_DEVICE:
g_value_set_string(value, this->device);
break;
case PROP_DEVICE_NAME:
if (this->mixer) {
char *t = g_strdup_printf("[%s] %s", this->mixer->name, this->mixer->description);
g_value_set_string(value, t);
g_free(t);
} else
g_value_set_string(value, NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static GstStateChangeReturn gst_polypmixer_change_state(GstElement *element, GstStateChange transition) {
GstPolypMixer *this = GST_POLYPMIXER(element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!this->mixer)
this->mixer = gst_polypmixer_ctrl_new(this->server, this->device);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
if (this->mixer) {
gst_polypmixer_ctrl_free(this->mixer);
this->mixer = NULL;
}
break;
default:
;
}
if (GST_ELEMENT_CLASS(parent_class)->change_state)
return GST_ELEMENT_CLASS(parent_class)->change_state(element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
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