diff options
Diffstat (limited to 'src/plugins/Output/alsa/settingsdialog.cpp')
| -rw-r--r-- | src/plugins/Output/alsa/settingsdialog.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/plugins/Output/alsa/settingsdialog.cpp b/src/plugins/Output/alsa/settingsdialog.cpp new file mode 100644 index 000000000..89c6cae84 --- /dev/null +++ b/src/plugins/Output/alsa/settingsdialog.cpp @@ -0,0 +1,237 @@ +/*************************************************************************** + * Copyright (C) 2006 by Ilya Kotov * + * forkotov02@hotmail.ru * + * * + * 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., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#include <QSettings> +#include <QDir> + +extern "C" +{ +#include <alsa/asoundlib.h> +} + +#include "settingsdialog.h" + +SettingsDialog::SettingsDialog ( QWidget *parent ) + : QDialog ( parent ) +{ + ui.setupUi ( this ); + setAttribute ( Qt::WA_DeleteOnClose ); + ui.deviceComboBox->setEditable ( TRUE ); + getCards(); + connect (ui.deviceComboBox, SIGNAL(activated(int)),SLOT(setText(int))); + connect(ui.okButton, SIGNAL(clicked()), SLOT(writeSettings())); + connect(ui.mixerCardComboBox, SIGNAL(activated(int)), SLOT(showMixerDevices(int))); + QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat); + settings.beginGroup("ALSA"); + ui.deviceComboBox->setEditText(settings.value("device","default").toString()); + ui.bufferSpinBox->setValue(settings.value("buffer_time",500).toInt()); + ui.periodSpinBox->setValue(settings.value("period_time",100).toInt()); + + int d = m_cards.indexOf(settings.value("mixer_card","hw:0").toString()); + if (d >= 0) + ui.mixerCardComboBox->setCurrentIndex(d); + + showMixerDevices(ui.mixerCardComboBox->currentIndex ()); + d = ui.mixerDeviceComboBox->findText(settings.value("mixer_device", + "PCM").toString()); + + if (d >= 0) + ui.mixerDeviceComboBox->setCurrentIndex(d); + + settings.endGroup(); +} + + +SettingsDialog::~SettingsDialog() +{} + +void SettingsDialog::getCards() +{ + int card = -1, err; + + m_devices.clear(); + m_devices << "default"; + ui.deviceComboBox->addItem("Default PCM device (default)"); + + if ((err = snd_card_next(&card)) !=0) + qWarning("SettingsDialog (ALSA): snd_next_card() failed: %s", + snd_strerror(-err)); + + while (card > -1) + { + getCardDevices(card); + m_cards << QString("hw:%1").arg(card); + if ((err = snd_card_next(&card)) !=0) + { + qWarning("SettingsDialog (ALSA): snd_next_card() failed: %s", + snd_strerror(-err)); + break; + } + } +} + +void SettingsDialog::getCardDevices(int card) +{ + int pcm_device = -1, err; + snd_pcm_info_t *pcm_info; + snd_ctl_t *ctl; + char dev[64], *card_name; + + sprintf(dev, "hw:%i", card); + + if ((err = snd_ctl_open(&ctl, dev, 0)) < 0) + { + qWarning("SettingsDialog (ALSA): snd_ctl_open() failed: %s", + snd_strerror(-err)); + return; + } + + if ((err = snd_card_get_name(card, &card_name)) != 0) + { + qWarning("SettingsDialog (ALSA): snd_card_get_name() failed: %s", + snd_strerror(-err)); + card_name = "Unknown soundcard"; + } + ui.mixerCardComboBox->addItem(QString(card_name)); + + snd_pcm_info_alloca(&pcm_info); + + qDebug("SettingsDialog (ALSA): detected sound cards:"); + + for (;;) + { + QString device; + if ((err = snd_ctl_pcm_next_device(ctl, &pcm_device)) < 0) + { + qWarning("SettingsDialog (ALSA): snd_ctl_pcm_next_device() failed: %s", + snd_strerror(-err)); + pcm_device = -1; + } + if (pcm_device < 0) + break; + + snd_pcm_info_set_device(pcm_info, pcm_device); + snd_pcm_info_set_subdevice(pcm_info, 0); + snd_pcm_info_set_stream(pcm_info, SND_PCM_STREAM_PLAYBACK); + + if ((err = snd_ctl_pcm_info(ctl, pcm_info)) < 0) + { + if (err != -ENOENT) + qWarning("SettingsDialog (ALSA): get_devices_for_card(): " + "snd_ctl_pcm_info() " + "failed (%d:%d): %s.", card, + pcm_device, snd_strerror(-err)); + } + device = QString("hw:%1,%2").arg(card).arg(pcm_device); + m_devices << device; + QString str; + str = QString(card_name) + ": "+ + snd_pcm_info_get_name(pcm_info)+" ("+device+")"; + qDebug(str.toAscii()); + ui.deviceComboBox->addItem(str); + } + + snd_ctl_close(ctl); +} + +void SettingsDialog::getMixerDevices(QString card) +{ + ui.mixerDeviceComboBox->clear(); + int err; + snd_mixer_t *mixer; + snd_mixer_elem_t *current; + + if ((err = getMixer(&mixer, card)) < 0) + return; + + current = snd_mixer_first_elem(mixer); + + while (current) + { + const char *sname = snd_mixer_selem_get_name(current); + if (snd_mixer_selem_is_active(current) && + snd_mixer_selem_has_playback_volume(current)) + ui.mixerDeviceComboBox->addItem(QString(sname)); + current = snd_mixer_elem_next(current); + } +} + +void SettingsDialog::setText(int n) +{ + ui.deviceComboBox->setEditText(m_devices.at(n)); +} + +void SettingsDialog::writeSettings() +{ + qDebug("SettingsDialog (ALSA):: writeSettings()"); + QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat); + settings.beginGroup("ALSA"); + settings.setValue("device", ui.deviceComboBox->currentText ()); + settings.setValue("buffer_time",ui.bufferSpinBox->value()); + settings.setValue("period_time",ui.periodSpinBox->value()); + QString card = m_cards.at(ui.mixerCardComboBox->currentIndex()); + settings.setValue("mixer_card", card); + settings.setValue("mixer_device", ui.mixerDeviceComboBox->currentText ()); + settings.endGroup(); + accept(); +} + +int SettingsDialog::getMixer(snd_mixer_t **mixer, QString card) +{ + char *dev; + int err; + + dev = strdup(QString(card).toAscii().data()); + if ((err = snd_mixer_open(mixer, 0)) < 0) + { + qWarning("SettingsDialog (ALSA): alsa_get_mixer(): " + "Failed to open empty mixer: %s", snd_strerror(-err)); + mixer = NULL; + return -1; + } + if ((err = snd_mixer_attach(*mixer, dev)) < 0) + { + qWarning("SettingsDialog (ALSA): alsa_get_mixer(): " + "Attaching to mixer %s failed: %s", dev, snd_strerror(-err)); + return -1; + } + if ((err = snd_mixer_selem_register(*mixer, NULL, NULL)) < 0) + { + qWarning("SettingsDialog (ALSA): alsa_get_mixer(): " + "Failed to register mixer: %s", snd_strerror(-err)); + return -1; + } + if ((err = snd_mixer_load(*mixer)) < 0) + { + qWarning("SettingsDialog (ALSA): alsa_get_mixer(): Failed to load mixer: %s", + snd_strerror(-err)); + return -1; + } + + free (dev); + + return (*mixer != NULL); +} + +void SettingsDialog::showMixerDevices(int d) +{ + if (0<=d && d<m_cards.size()) + getMixerDevices(m_cards.at(d)); +} + |