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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->base.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->base.index)
continue;
if (i++ == n)
return input;
}
return NULL;
}
static void
up(struct context *ctx, int key)
{
struct sink_info *sink = NULL;
if (!ctx->context_ready)
return;
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;
interface_redraw(ctx);
}
static void
down(struct context *ctx, int key)
{
struct sink_info *sink;
if (!ctx->context_ready)
return;
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;
interface_redraw(ctx);
}
static struct vol_ctl *
interface_get_current_ctl(struct context *ctx, struct vol_ctl **parent)
{
struct sink_info *sink;
struct sink_input_info *input;
if (parent)
*parent = NULL;
sink = g_list_nth_data(ctx->sink_list, ctx->chooser_sink);
if (sink == NULL)
return NULL;
if (ctx->chooser_input == SELECTED_SINK)
return &sink->base;
else if (ctx->chooser_input >= 0) {
input = sink_get_nth_input(ctx, sink, ctx->chooser_input);
if (input == NULL)
return NULL;
if (parent)
*parent = &sink->base;
return &input->base;
}
g_assert(0);
return NULL;
}
static void
volume_change(struct context *ctx, gboolean volume_increment)
{
struct vol_ctl *ctl;
pa_operation *o;
pa_cvolume volume;
pa_volume_t inc;
if (!ctx->context_ready)
return;
ctl = interface_get_current_ctl(ctx, NULL);
if (!ctl)
return;
volume = (pa_cvolume) { .channels = ctl->channels };
pa_cvolume_set(&volume, volume.channels, ctl->vol);
inc = 2 * PA_VOLUME_NORM / 100;
if (volume_increment)
if (PA_VOLUME_NORM > ctl->vol &&
PA_VOLUME_NORM - ctl->vol > inc)
pa_cvolume_inc(&volume, inc);
else
pa_cvolume_set(&volume, volume.channels,
PA_VOLUME_NORM);
else
pa_cvolume_dec(&volume, inc);
o = ctl->volume_set(ctx->context, ctl->index, &volume, NULL,NULL);
pa_operation_unref(o);
}
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
do_mute(struct context *ctx, int key)
{
struct vol_ctl *ctl;
pa_operation *o;
if (!ctx->context_ready)
return;
ctl = interface_get_current_ctl(ctx, NULL);
if (!ctl)
return;
o = ctl->mute_set(ctx->context, ctl->index, !ctl->mute, NULL, NULL);
pa_operation_unref(o);
}
static void
switch_sink(struct context *ctx, int key)
{
struct sink_input_info *t;
struct vol_ctl *input, *sink;
pa_operation *o;
gint i;
if (!ctx->context_ready)
return;
input = interface_get_current_ctl(ctx, &sink);
if (!input || !sink)
return;
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,
NULL, 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->base.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", do_mute },
{ "switch", switch_sink },
{ "quit", quit_cmd },
{ NULL, NULL }
};
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