156 lines
3.1 KiB
C++
156 lines
3.1 KiB
C++
/*
|
|
* Copyright (C) 2003-2014 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "output/MultipleOutputs.hxx"
|
|
#include "MixerControl.hxx"
|
|
#include "MixerInternal.hxx"
|
|
#include "MixerList.hxx"
|
|
#include "output/Internal.hxx"
|
|
#include "pcm/Volume.hxx"
|
|
#include "util/Error.hxx"
|
|
#include "util/Domain.hxx"
|
|
#include "Log.hxx"
|
|
|
|
#include <assert.h>
|
|
|
|
static constexpr Domain mixer_domain("mixer");
|
|
|
|
static int
|
|
output_mixer_get_volume(const AudioOutput &ao)
|
|
{
|
|
if (!ao.enabled)
|
|
return -1;
|
|
|
|
Mixer *mixer = ao.mixer;
|
|
if (mixer == nullptr)
|
|
return -1;
|
|
|
|
Error error;
|
|
int volume = mixer_get_volume(mixer, error);
|
|
if (volume < 0 && error.IsDefined())
|
|
FormatError(error,
|
|
"Failed to read mixer for '%s'",
|
|
ao.name);
|
|
|
|
return volume;
|
|
}
|
|
|
|
int
|
|
MultipleOutputs::GetVolume() const
|
|
{
|
|
unsigned ok = 0;
|
|
int total = 0;
|
|
|
|
for (auto ao : outputs) {
|
|
int volume = output_mixer_get_volume(*ao);
|
|
if (volume >= 0) {
|
|
total += volume;
|
|
++ok;
|
|
}
|
|
}
|
|
|
|
if (ok == 0)
|
|
return -1;
|
|
|
|
return total / ok;
|
|
}
|
|
|
|
static bool
|
|
output_mixer_set_volume(AudioOutput &ao, unsigned volume)
|
|
{
|
|
assert(volume <= 100);
|
|
|
|
if (!ao.enabled)
|
|
return false;
|
|
|
|
Mixer *mixer = ao.mixer;
|
|
if (mixer == nullptr)
|
|
return false;
|
|
|
|
Error error;
|
|
bool success = mixer_set_volume(mixer, volume, error);
|
|
if (!success && error.IsDefined())
|
|
FormatError(error,
|
|
"Failed to set mixer for '%s'",
|
|
ao.name);
|
|
|
|
return success;
|
|
}
|
|
|
|
bool
|
|
MultipleOutputs::SetVolume(unsigned volume)
|
|
{
|
|
assert(volume <= 100);
|
|
|
|
bool success = false;
|
|
for (auto ao : outputs)
|
|
success = output_mixer_set_volume(*ao, volume)
|
|
|| success;
|
|
|
|
return success;
|
|
}
|
|
|
|
static int
|
|
output_mixer_get_software_volume(const AudioOutput &ao)
|
|
{
|
|
if (!ao.enabled)
|
|
return -1;
|
|
|
|
Mixer *mixer = ao.mixer;
|
|
if (mixer == nullptr || !mixer->IsPlugin(software_mixer_plugin))
|
|
return -1;
|
|
|
|
return mixer_get_volume(mixer, IgnoreError());
|
|
}
|
|
|
|
int
|
|
MultipleOutputs::GetSoftwareVolume() const
|
|
{
|
|
unsigned ok = 0;
|
|
int total = 0;
|
|
|
|
for (auto ao : outputs) {
|
|
int volume = output_mixer_get_software_volume(*ao);
|
|
if (volume >= 0) {
|
|
total += volume;
|
|
++ok;
|
|
}
|
|
}
|
|
|
|
if (ok == 0)
|
|
return -1;
|
|
|
|
return total / ok;
|
|
}
|
|
|
|
void
|
|
MultipleOutputs::SetSoftwareVolume(unsigned volume)
|
|
{
|
|
assert(volume <= PCM_VOLUME_1);
|
|
|
|
for (auto ao : outputs) {
|
|
const auto mixer = ao->mixer;
|
|
|
|
if (mixer != nullptr &&
|
|
&mixer->plugin == &software_mixer_plugin)
|
|
mixer_set_volume(mixer, volume, IgnoreError());
|
|
}
|
|
}
|