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/*
* pa-sink-ctl - NCurses based Pulseaudio control client
* Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com>
* Copyright (C) 2010 Jan Klemkow <web2p10@wemelug.de>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include "pa-sink-ctl.h"
#include "interface.h"
#include "sink.h"
#include "command.h"
static int
sink_input_len(struct context *ctx, struct sink_info *sink)
{
struct sink_input_info *input;
int len = 0;
list_foreach(ctx->input_list, input)
if (input->sink == sink->index)
len++;
return len;
}
static struct sink_input_info *
sink_get_nth_input(struct context *ctx, struct sink_info *sink, int n)
{
struct sink_input_info *input;
int i = 0;
list_foreach(ctx->input_list, input) {
if (input->sink != sink->index)
continue;
if (i++ == n)
return input;
}
return NULL;
}
static void
up(struct context *ctx, int key)
{
struct sink_info *sink = NULL;
if (ctx->chooser_input == SELECTED_SINK &&
ctx->chooser_sink > 0) {
sink = g_list_nth_data(ctx->sink_list, --ctx->chooser_sink);
/* autoassigment to SELECTED_SINK (=-1) if length = 0 */
ctx->chooser_input = sink_input_len(ctx, sink) - 1;
} else if (ctx->chooser_input >= 0)
--ctx->chooser_input;
print_sink_list(ctx);
}
static void
down(struct context *ctx, int key)
{
struct sink_info *sink;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
if (ctx->chooser_input == (sink_input_len(ctx, sink) - 1) &&
ctx->chooser_sink < (gint) g_list_length(ctx->sink_list)-1) {
++ctx->chooser_sink;
ctx->chooser_input = SELECTED_SINK;
}
else if (ctx->chooser_input < (sink_input_len(ctx, sink) - 1))
++ctx->chooser_input;
print_sink_list(ctx);
}
static void
volume_change(struct context *ctx, gboolean volume_increment)
{
struct sink_info *sink;
struct sink_input_info *input;
guint32 index;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
pa_cvolume volume;
pa_volume_t tmp_vol;
pa_operation* (*volume_set) (pa_context*, guint32, const pa_cvolume *,
pa_context_success_cb_t, gpointer);
if (ctx->chooser_input >= 0) {
input = sink_get_nth_input(ctx, sink, ctx->chooser_input);
index = input->index;
volume = (pa_cvolume) { .channels = input->channels };
tmp_vol = input->vol;
volume_set = pa_context_set_sink_input_volume;
} else if (ctx->chooser_input == SELECTED_SINK) {
index = sink->index;
volume = (pa_cvolume) { .channels = sink->channels };
tmp_vol = sink->vol;
volume_set = pa_context_set_sink_volume_by_index;
} else {
g_assert(0);
return;
}
pa_cvolume_set(&volume, volume.channels, tmp_vol);
pa_volume_t inc = 2 * PA_VOLUME_NORM / 100;
if (volume_increment)
if (PA_VOLUME_NORM > tmp_vol &&
PA_VOLUME_NORM - tmp_vol > inc)
pa_cvolume_inc(&volume, inc);
else
pa_cvolume_set(&volume, volume.channels,
PA_VOLUME_NORM);
else
pa_cvolume_dec(&volume, inc);
pa_operation_unref(volume_set(ctx->context, index, &volume,
change_callback, ctx));
}
static void
volume_down(struct context *ctx, int key)
{
volume_change(ctx, FALSE);
}
static void
volume_up(struct context *ctx, int key)
{
volume_change(ctx, TRUE);
}
static void
mute(struct context *ctx, int key)
{
struct sink_info *sink;
struct sink_input_info *input;
guint32 index;
gint mute;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
pa_operation* (*mute_set) (pa_context*, guint32, int,
pa_context_success_cb_t, void*);
if (ctx->chooser_input >= 0) {
input = sink_get_nth_input(ctx, sink, ctx->chooser_input);
index = input->index;
mute = !input->mute;
mute_set = pa_context_set_sink_input_mute;
} else if (ctx->chooser_input == SELECTED_SINK) {
index = sink->index;
mute = !sink->mute;
mute_set = pa_context_set_sink_mute_by_index;
} else {
g_assert(0);
return;
}
pa_operation_unref(mute_set(ctx->context, index, mute,
change_callback, ctx));
}
static void
switch_sink(struct context *ctx, int key)
{
struct sink_info *sink = NULL;
struct sink_input_info *input, *t;
pa_operation *o;
gint i;
if (ctx->chooser_input == SELECTED_SINK)
return;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
input = sink_get_nth_input(ctx, sink, ctx->chooser_input);
if (g_list_length(ctx->sink_list) <= 1)
return;
if (ctx->chooser_sink < (gint) g_list_length(ctx->sink_list) - 1)
ctx->chooser_sink++;
else
ctx->chooser_sink = 0;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
/* chooser_input needs to be derived from $selected_index */
o = pa_context_move_sink_input_by_index(ctx->context,
input->index, sink->index,
change_callback, NULL);
pa_operation_unref(o);
/* get new chooser_input, if non, select sink as fallback */
ctx->chooser_input = SELECTED_SINK;
i = -1;
list_foreach(ctx->input_list, t) {
if (t->index == input->index) {
ctx->chooser_input = ++i;
break;
}
if (t->sink == sink->index)
++i;
}
}
static void
quit_cmd(struct context *ctx, int key)
{
quit(ctx);
}
struct command_cb_descriptor command_cbs[] = {
{ "up", up },
{ "down", down },
{ "volume-down", volume_down },
{ "volume-up", volume_up },
{ "mute", mute },
{ "switch", switch_sink },
{ "quit", quit_cmd },
{ NULL, NULL }
};
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