diff options
Diffstat (limited to 'mate-volume-control/src/gvc-mixer-sink-input.c')
| -rw-r--r-- | mate-volume-control/src/gvc-mixer-sink-input.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/mate-volume-control/src/gvc-mixer-sink-input.c b/mate-volume-control/src/gvc-mixer-sink-input.c new file mode 100644 index 0000000..9d4ad2a --- /dev/null +++ b/mate-volume-control/src/gvc-mixer-sink-input.c @@ -0,0 +1,188 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 William Jon McCann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> + +#include <glib.h> +#include <glib/gi18n.h> + +#include <pulse/pulseaudio.h> + +#include "gvc-mixer-sink-input.h" + +#define GVC_MIXER_SINK_INPUT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_SINK_INPUT, GvcMixerSinkInputPrivate)) + +struct GvcMixerSinkInputPrivate +{ + gpointer dummy; +}; + +static void gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass); +static void gvc_mixer_sink_input_init (GvcMixerSinkInput *mixer_sink_input); +static void gvc_mixer_sink_input_finalize (GObject *object); +static void gvc_mixer_sink_input_dispose (GObject *object); + +G_DEFINE_TYPE (GvcMixerSinkInput, gvc_mixer_sink_input, GVC_TYPE_MIXER_STREAM) + +static gboolean +gvc_mixer_sink_input_push_volume (GvcMixerStream *stream, gpointer *op) +{ + pa_operation *o; + guint index; + const GvcChannelMap *map; + pa_context *context; + const pa_cvolume *cv; + guint num_channels; + + index = gvc_mixer_stream_get_index (stream); + + map = gvc_mixer_stream_get_channel_map (stream); + num_channels = gvc_channel_map_get_num_channels (map); + + cv = gvc_channel_map_get_cvolume(map); + + context = gvc_mixer_stream_get_pa_context (stream); + + o = pa_context_set_sink_input_volume (context, + index, + cv, + NULL, + NULL); + + if (o == NULL) { + g_warning ("pa_context_set_sink_input_volume() failed"); + return FALSE; + } + + *op = o; + + return TRUE; +} + +static gboolean +gvc_mixer_sink_input_change_is_muted (GvcMixerStream *stream, + gboolean is_muted) +{ + pa_operation *o; + guint index; + pa_context *context; + + index = gvc_mixer_stream_get_index (stream); + context = gvc_mixer_stream_get_pa_context (stream); + + o = pa_context_set_sink_input_mute (context, + index, + is_muted, + NULL, + NULL); + + if (o == NULL) { + g_warning ("pa_context_set_sink_input_mute_by_index() failed"); + return FALSE; + } + + pa_operation_unref(o); + + return TRUE; +} + +static GObject * +gvc_mixer_sink_input_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_params) +{ + GObject *object; + GvcMixerSinkInput *self; + + object = G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->constructor (type, n_construct_properties, construct_params); + + self = GVC_MIXER_SINK_INPUT (object); + + return object; +} + +static void +gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass); + + object_class->constructor = gvc_mixer_sink_input_constructor; + object_class->dispose = gvc_mixer_sink_input_dispose; + object_class->finalize = gvc_mixer_sink_input_finalize; + + stream_class->push_volume = gvc_mixer_sink_input_push_volume; + stream_class->change_is_muted = gvc_mixer_sink_input_change_is_muted; + + g_type_class_add_private (klass, sizeof (GvcMixerSinkInputPrivate)); +} + +static void +gvc_mixer_sink_input_init (GvcMixerSinkInput *sink_input) +{ + sink_input->priv = GVC_MIXER_SINK_INPUT_GET_PRIVATE (sink_input); +} + +static void +gvc_mixer_sink_input_dispose (GObject *object) +{ + GvcMixerSinkInput *mixer_sink_input; + + g_return_if_fail (object != NULL); + g_return_if_fail (GVC_IS_MIXER_SINK_INPUT (object)); + + mixer_sink_input = GVC_MIXER_SINK_INPUT (object); + + G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->dispose (object); +} + +static void +gvc_mixer_sink_input_finalize (GObject *object) +{ + GvcMixerSinkInput *mixer_sink_input; + + g_return_if_fail (object != NULL); + g_return_if_fail (GVC_IS_MIXER_SINK_INPUT (object)); + + mixer_sink_input = GVC_MIXER_SINK_INPUT (object); + + g_return_if_fail (mixer_sink_input->priv != NULL); + G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->finalize (object); +} + +GvcMixerStream * +gvc_mixer_sink_input_new (pa_context *context, + guint index, + GvcChannelMap *channel_map) +{ + GObject *object; + + object = g_object_new (GVC_TYPE_MIXER_SINK_INPUT, + "pa-context", context, + "index", index, + "channel-map", channel_map, + NULL); + + return GVC_MIXER_STREAM (object); +} |