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Diffstat (limited to 'mate-volume-control/src/mvc-helpers.c')
-rw-r--r--mate-volume-control/src/mvc-helpers.c155
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diff --git a/mate-volume-control/src/mvc-helpers.c b/mate-volume-control/src/mvc-helpers.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2014 Michal Ratajsky <[email protected]>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <libmatemixer/matemixer.h>
+
+#ifdef HAVE_PULSEAUDIO
+#include <pulse/pulseaudio.h>
+#endif
+
+#include "mvc-helpers.h"
+
+#ifdef HAVE_PULSEAUDIO
+static pa_position_t
+position_to_pulse (MateMixerChannelPosition position)
+{
+ switch (position) {
+ case MATE_MIXER_CHANNEL_MONO:
+ return PA_CHANNEL_POSITION_MONO;
+ case MATE_MIXER_CHANNEL_FRONT_LEFT:
+ return PA_CHANNEL_POSITION_FRONT_LEFT;
+ case MATE_MIXER_CHANNEL_FRONT_RIGHT:
+ return PA_CHANNEL_POSITION_FRONT_RIGHT;
+ case MATE_MIXER_CHANNEL_FRONT_CENTER:
+ return PA_CHANNEL_POSITION_FRONT_CENTER;
+ case MATE_MIXER_CHANNEL_LFE:
+ return PA_CHANNEL_POSITION_LFE;
+ case MATE_MIXER_CHANNEL_BACK_LEFT:
+ return PA_CHANNEL_POSITION_REAR_LEFT;
+ case MATE_MIXER_CHANNEL_BACK_RIGHT:
+ return PA_CHANNEL_POSITION_REAR_RIGHT;
+ case MATE_MIXER_CHANNEL_BACK_CENTER:
+ return PA_CHANNEL_POSITION_REAR_CENTER;
+ case MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER:
+ return PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
+ case MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER:
+ return PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
+ case MATE_MIXER_CHANNEL_SIDE_LEFT:
+ return PA_CHANNEL_POSITION_SIDE_LEFT;
+ case MATE_MIXER_CHANNEL_SIDE_RIGHT:
+ return PA_CHANNEL_POSITION_SIDE_RIGHT;
+ case MATE_MIXER_CHANNEL_TOP_FRONT_LEFT:
+ return PA_CHANNEL_POSITION_TOP_FRONT_LEFT;
+ case MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT:
+ return PA_CHANNEL_POSITION_TOP_FRONT_RIGHT;
+ case MATE_MIXER_CHANNEL_TOP_FRONT_CENTER:
+ return PA_CHANNEL_POSITION_TOP_FRONT_CENTER;
+ case MATE_MIXER_CHANNEL_TOP_CENTER:
+ return PA_CHANNEL_POSITION_TOP_CENTER;
+ case MATE_MIXER_CHANNEL_TOP_BACK_LEFT:
+ return PA_CHANNEL_POSITION_TOP_REAR_LEFT;
+ case MATE_MIXER_CHANNEL_TOP_BACK_RIGHT:
+ return PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
+ case MATE_MIXER_CHANNEL_TOP_BACK_CENTER:
+ return PA_CHANNEL_POSITION_TOP_REAR_CENTER;
+ default:
+ return PA_CHANNEL_POSITION_INVALID;
+ }
+}
+#endif
+
+const gchar *
+mvc_channel_position_to_string (MateMixerChannelPosition position)
+{
+#ifdef HAVE_PULSEAUDIO
+ return pa_channel_position_to_string (position_to_pulse (position));
+#endif
+ return NULL;
+}
+
+const gchar *
+mvc_channel_position_to_pretty_string (MateMixerChannelPosition position)
+{
+#ifdef HAVE_PULSEAUDIO
+ return pa_channel_position_to_pretty_string (position_to_pulse (position));
+#endif
+ return NULL;
+}
+
+const gchar *
+mvc_channel_map_to_pretty_string (MateMixerStream *stream)
+{
+ g_return_val_if_fail (MATE_MIXER_IS_STREAM (stream), NULL);
+
+ /* Modeled after PulseAudio 5.0, probably could be extended with other combinations */
+ switch (mate_mixer_stream_get_num_channels (stream)) {
+ case 1:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_MONO))
+ return _("Mono");
+ break;
+ case 2:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT))
+ return _("Stereo");
+ break;
+ case 4:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT))
+ return _("Surround 4.0");
+ break;
+ case 5:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT))
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE))
+ return _("Surround 4.1");
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER))
+ return _("Surround 5.0");
+ break;
+ case 6:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE))
+ return _("Surround 5.1");
+ break;
+ case 8:
+ if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_SIDE_LEFT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_SIDE_RIGHT) &&
+ mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE))
+ return _("Surround 7.1");
+ break;
+ }
+
+ return NULL;
+}