diff options
Diffstat (limited to 'mate-volume-control/src/mvc-helpers.c')
| -rw-r--r-- | mate-volume-control/src/mvc-helpers.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/mate-volume-control/src/mvc-helpers.c b/mate-volume-control/src/mvc-helpers.c new file mode 100644 index 0000000..2861bbd --- /dev/null +++ b/mate-volume-control/src/mvc-helpers.c @@ -0,0 +1,155 @@ +/* -*- 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; +} |