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Diffstat (limited to '')
| -rw-r--r-- | subprojects/gvc/gvc-mixer-sink.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/subprojects/gvc/gvc-mixer-sink.c b/subprojects/gvc/gvc-mixer-sink.c new file mode 100644 index 0000000..a6115c6 --- /dev/null +++ b/subprojects/gvc/gvc-mixer-sink.c @@ -0,0 +1,189 @@ +/* -*- 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-lib.h> + +#include <pulse/pulseaudio.h> + +#include "gvc-mixer-sink.h" +#include "gvc-mixer-stream-private.h" +#include "gvc-channel-map-private.h" + +struct GvcMixerSinkPrivate +{ + gpointer dummy; +}; + +static void gvc_mixer_sink_finalize (GObject *object); + +G_DEFINE_TYPE_WITH_PRIVATE (GvcMixerSink, gvc_mixer_sink, GVC_TYPE_MIXER_STREAM) + +static gboolean +gvc_mixer_sink_push_volume (GvcMixerStream *stream, gpointer *op) +{ + pa_operation *o; + guint index; + const GvcChannelMap *map; + pa_context *context; + const pa_cvolume *cv; + + index = gvc_mixer_stream_get_index (stream); + + map = gvc_mixer_stream_get_channel_map (stream); + + /* set the volume */ + cv = gvc_channel_map_get_cvolume(map); + + context = gvc_mixer_stream_get_pa_context (stream); + + o = pa_context_set_sink_volume_by_index (context, + index, + cv, + NULL, + NULL); + + if (o == NULL) { + g_warning ("pa_context_set_sink_volume_by_index() failed: %s", pa_strerror(pa_context_errno(context))); + return FALSE; + } + + *op = o; + + return TRUE; +} + +static gboolean +gvc_mixer_sink_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_mute_by_index (context, + index, + is_muted, + NULL, + NULL); + + if (o == NULL) { + g_warning ("pa_context_set_sink_mute_by_index() failed: %s", pa_strerror(pa_context_errno(context))); + return FALSE; + } + + pa_operation_unref(o); + + return TRUE; +} + +static gboolean +gvc_mixer_sink_change_port (GvcMixerStream *stream, + const char *port) +{ + 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_port_by_index (context, + index, + port, + NULL, + NULL); + + if (o == NULL) { + g_warning ("pa_context_set_sink_port_by_index() failed: %s", pa_strerror(pa_context_errno(context))); + return FALSE; + } + + pa_operation_unref(o); + + return TRUE; +} + +static void +gvc_mixer_sink_class_init (GvcMixerSinkClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass); + + object_class->finalize = gvc_mixer_sink_finalize; + + stream_class->push_volume = gvc_mixer_sink_push_volume; + stream_class->change_port = gvc_mixer_sink_change_port; + stream_class->change_is_muted = gvc_mixer_sink_change_is_muted; +} + +static void +gvc_mixer_sink_init (GvcMixerSink *sink) +{ + sink->priv = gvc_mixer_sink_get_instance_private (sink); +} + +static void +gvc_mixer_sink_finalize (GObject *object) +{ + GvcMixerSink *mixer_sink; + + g_return_if_fail (object != NULL); + g_return_if_fail (GVC_IS_MIXER_SINK (object)); + + mixer_sink = GVC_MIXER_SINK (object); + + g_return_if_fail (mixer_sink->priv != NULL); + G_OBJECT_CLASS (gvc_mixer_sink_parent_class)->finalize (object); +} + +/** + * gvc_mixer_sink_new: (skip) + * @context: + * @index: + * @channel_map: + * + * Returns: + */ +GvcMixerStream * +gvc_mixer_sink_new (pa_context *context, + guint index, + GvcChannelMap *channel_map) + +{ + GObject *object; + + object = g_object_new (GVC_TYPE_MIXER_SINK, + "pa-context", context, + "index", index, + "channel-map", channel_map, + NULL); + + return GVC_MIXER_STREAM (object); +} |