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Viewing changes to panels/sound/gvc-mixer-sink-input.c

  • Committer: Package Import Robot
  • Author(s): Robert Ancell
  • Date: 2014-01-08 16:29:18 UTC
  • Revision ID: package-import@ubuntu.com-20140108162918-g29dd08tr913y2qh
Tags: upstream-14.04.0
Import upstream version 14.04.0

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panels/sound/gvc-mixer-sink-input.c
 
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 
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 *
 
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 * Copyright (C) 2008 William Jon McCann
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
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 *
 
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 */
 
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#include "config.h"
 
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#include <stdlib.h>
 
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#include <stdio.h>
 
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#include <unistd.h>
 
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#include <glib.h>
 
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#include <glib/gi18n-lib.h>
 
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#include <pulse/pulseaudio.h>
 
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#include "gvc-mixer-sink-input.h"
 
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#include "gvc-mixer-stream-private.h"
 
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#include "gvc-channel-map-private.h"
 
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#define GVC_MIXER_SINK_INPUT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_SINK_INPUT, GvcMixerSinkInputPrivate))
 
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struct GvcMixerSinkInputPrivate
 
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{
 
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        gpointer dummy;
 
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};
 
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static void     gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass);
 
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static void     gvc_mixer_sink_input_init       (GvcMixerSinkInput      *mixer_sink_input);
 
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static void     gvc_mixer_sink_input_finalize   (GObject                *object);
 
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G_DEFINE_TYPE (GvcMixerSinkInput, gvc_mixer_sink_input, GVC_TYPE_MIXER_STREAM)
 
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static gboolean
 
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gvc_mixer_sink_input_push_volume (GvcMixerStream *stream, gpointer *op)
 
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{
 
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        pa_operation        *o;
 
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        guint                index;
 
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        const GvcChannelMap *map;
 
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        pa_context          *context;
 
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        const pa_cvolume    *cv;
 
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        index = gvc_mixer_stream_get_index (stream);
 
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        map = gvc_mixer_stream_get_channel_map (stream);
 
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        cv = gvc_channel_map_get_cvolume(map);
 
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        context = gvc_mixer_stream_get_pa_context (stream);
 
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        o = pa_context_set_sink_input_volume (context,
 
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                                              index,
 
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                                              cv,
 
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                                              NULL,
 
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                                              NULL);
 
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        if (o == NULL) {
 
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                g_warning ("pa_context_set_sink_input_volume() failed");
 
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                return FALSE;
 
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        }
 
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        *op = o;
 
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        return TRUE;
 
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}
 
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static gboolean
 
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gvc_mixer_sink_input_change_is_muted (GvcMixerStream *stream,
 
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                                      gboolean        is_muted)
 
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{
 
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        pa_operation *o;
 
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        guint         index;
 
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        pa_context   *context;
 
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        index = gvc_mixer_stream_get_index (stream);
 
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        context = gvc_mixer_stream_get_pa_context (stream);
 
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        o = pa_context_set_sink_input_mute (context,
 
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                                            index,
 
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                                            is_muted,
 
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                                            NULL,
 
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                                            NULL);
 
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        if (o == NULL) {
 
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                g_warning ("pa_context_set_sink_input_mute_by_index() failed");
 
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                return FALSE;
 
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        }
 
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        pa_operation_unref(o);
 
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        return TRUE;
 
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}
 
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static void
 
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gvc_mixer_sink_input_class_init (GvcMixerSinkInputClass *klass)
 
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{
 
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        GObjectClass        *object_class = G_OBJECT_CLASS (klass);
 
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        GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass);
 
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        object_class->finalize = gvc_mixer_sink_input_finalize;
 
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        stream_class->push_volume = gvc_mixer_sink_input_push_volume;
 
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        stream_class->change_is_muted = gvc_mixer_sink_input_change_is_muted;
 
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        g_type_class_add_private (klass, sizeof (GvcMixerSinkInputPrivate));
 
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}
 
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static void
 
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gvc_mixer_sink_input_init (GvcMixerSinkInput *sink_input)
 
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{
 
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        sink_input->priv = GVC_MIXER_SINK_INPUT_GET_PRIVATE (sink_input);
 
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}
 
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static void
 
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gvc_mixer_sink_input_finalize (GObject *object)
 
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{
 
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        GvcMixerSinkInput *mixer_sink_input;
 
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        g_return_if_fail (object != NULL);
 
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        g_return_if_fail (GVC_IS_MIXER_SINK_INPUT (object));
 
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        mixer_sink_input = GVC_MIXER_SINK_INPUT (object);
 
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        g_return_if_fail (mixer_sink_input->priv != NULL);
 
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        G_OBJECT_CLASS (gvc_mixer_sink_input_parent_class)->finalize (object);
 
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}
 
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/**
 
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 * gvc_mixer_sink_input_new: (skip)
 
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 *
 
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 * @context:
 
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 * @index:
 
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 * @channel_map:
 
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 *
 
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 * Returns:
 
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 */
 
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GvcMixerStream *
 
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gvc_mixer_sink_input_new (pa_context    *context,
 
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                          guint          index,
 
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                          GvcChannelMap *channel_map)
 
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{
 
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        GObject *object;
 
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        object = g_object_new (GVC_TYPE_MIXER_SINK_INPUT,
 
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                               "pa-context", context,
 
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                               "index", index,
 
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                               "channel-map", channel_map,
 
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                               NULL);
 
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        return GVC_MIXER_STREAM (object);
 
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}