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tderadio/kradio3/plugins/alsa-sound/alsa-sound-configuration.cpp

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/***************************************************************************
alsa-sound-configuration.cpp - description
-------------------
begin : Thu Sep 30 2004
copyright : (C) 2004 by Martin Witte
email : witte@kawo1.rwth-aachen.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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <tqcheckbox.h>
#include <tqgroupbox.h>
#include <tqlayout.h>
#include <tqscrollview.h>
#include <kurlrequester.h>
#include <knuminput.h>
#include <klineedit.h>
#include <kcombobox.h>
#include <ktabwidget.h>
#include <klocale.h>
#include "alsa-mixer-element.h"
#include "alsa-sound-configuration.h"
#include "alsa-sound.h"
AlsaSoundConfiguration::AlsaSoundConfiguration (TQWidget *parent, AlsaSoundDevice *dev)
: AlsaSoundConfigurationUI(parent),
m_SoundDevice (dev),
m_groupMixerLayout(NULL),
m_groupMixerScrollView(NULL),
m_groupMixerSubFrame(NULL),
m_dirty(true),
m_ignore_updates(false)
{
TQObject::connect(m_comboPlaybackCard, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(m_comboCaptureCard, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(m_comboPlaybackDevice, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(m_comboCaptureDevice, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(editHWBufferSize, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(editBufferSize, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(chkDisablePlayback, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(chkDisableCapture, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotSetDirty()));
TQObject::connect(m_comboPlaybackCard, TQT_SIGNAL(activated(const TQString &)),
this, TQT_SLOT(slotPlaybackCardSelected(const TQString &)));
TQObject::connect(m_comboCaptureCard, TQT_SIGNAL(activated(const TQString &)),
this, TQT_SLOT(slotCaptureCardSelected(const TQString &)));
m_groupMixer->setColumnLayout(0, Qt::Horizontal );
TQHBoxLayout *tmp_layout = new TQHBoxLayout( m_groupMixer->tqlayout() );
m_groupMixerScrollView = new TQScrollView (m_groupMixer);
m_groupMixerScrollView->setFrameShape(TQFrame::NoFrame);
m_groupMixerScrollView->setFrameShadow(TQFrame::Plain);
m_groupMixerScrollView->enableClipper(true);
m_groupMixerScrollView->setResizePolicy(TQScrollView::AutoOneFit);
//m_groupMixerScrollView->setHScrollBarMode(TQScrollView::AlwaysOn);
tmp_layout->addWidget(m_groupMixerScrollView);
int card = -1;
int ret = 0;
int idx_playback = 0;
int idx_capture = 0;
while ((ret = snd_card_next(&card)) == 0) {
char *name = NULL;
if (card >= 0 && snd_card_get_longname(card, &name) == 0) {
if (name) {
m_name2card[name] = card;
m_card2name[card] = name;
if (listSoundDevices(NULL, NULL, NULL, NULL, card, SND_PCM_STREAM_PLAYBACK)) {
m_comboPlaybackCard->insertItem(name);
m_playbackCard2idx[card] = idx_playback++;
}
if (listSoundDevices(NULL, NULL, NULL, NULL, card, SND_PCM_STREAM_CAPTURE)) {
m_comboCaptureCard->insertItem(name);
m_captureCard2idx[card] = idx_capture++;
}
}
} else {
break;
}
}
slotCancel();
}
AlsaSoundConfiguration::~AlsaSoundConfiguration ()
{
}
void AlsaSoundConfiguration::slotPlaybackCardSelected(const TQString &cardname)
{
if (!m_name2card.contains(cardname))
return;
listSoundDevices(m_comboPlaybackDevice, &m_playbackDeviceName2dev, &m_dev2playbackDeviceName, &m_playbackDevice2idx, m_name2card[cardname], SND_PCM_STREAM_PLAYBACK);
}
void AlsaSoundConfiguration::slotCaptureCardSelected(const TQString &cardname)
{
if (!m_name2card.contains(cardname))
return;
saveCaptureMixerSettings();
listSoundDevices(m_comboCaptureDevice, &m_captureDeviceName2dev, &m_dev2captureDeviceName, &m_captureDevice2idx, m_name2card[cardname], SND_PCM_STREAM_CAPTURE);
m_currentCaptureCard = m_name2card[cardname];
TQStringList vol_list, sw_list, all_list;
TQMap<TQString, AlsaMixerElement> vol_ch2id, sw_ch2id;
AlsaSoundDevice::getCaptureMixerChannels(m_name2card[cardname], NULL, vol_list, vol_ch2id, sw_list, sw_ch2id, &all_list);
for (TQMapIterator<TQString, QAlsaMixerElement*> it = m_MixerElements.begin(); it != m_MixerElements.end(); ++it) {
delete *it;
}
m_MixerElements.clear();
if (m_groupMixerSubFrame)
delete m_groupMixerSubFrame;
m_groupMixerSubFrame = new TQFrame(m_groupMixerScrollView->viewport());
m_groupMixerSubFrame->tqsetSizePolicy(TQSizePolicy::Maximum, TQSizePolicy::Maximum);
m_groupMixerScrollView->addChild(m_groupMixerSubFrame);
int rows = 1;
int cols = (all_list.count()+rows-1)/rows;
m_groupMixerLayout = new TQGridLayout( m_groupMixerSubFrame, rows, cols, 0, 0 );
m_groupMixerLayout->tqsetAlignment( TQt::AlignBottom );
int idx = 0;
for (TQValueListConstIterator<TQString> it = all_list.begin(); it != all_list.end(); ++it, ++idx) {
QAlsaMixerElement *e = new QAlsaMixerElement(m_groupMixerSubFrame, *it,
sw_list.contains(*it), vol_list.contains(*it));
TQObject::connect(e, TQT_SIGNAL(sigDirty()), this, TQT_SLOT(slotSetDirty()));
m_groupMixerLayout->addWidget(e, idx > cols, idx % cols);
e->show();
m_MixerElements.insert(*it, e);
}
restoreCaptureMixerSettings();
m_groupMixerSubFrame->show();
}
void AlsaSoundConfiguration::saveCaptureMixerSettings()
{
for (TQMapIterator<TQString, QAlsaMixerElement*> it = m_MixerElements.begin(); it != m_MixerElements.end(); ++it) {
const TQString &name = it.key();
int card = m_currentCaptureCard;
TQString id = AlsaConfigMixerSetting::getIDString(card, name);
QAlsaMixerElement *e = *it;
float vol = e->getVolume();
bool use = e->getOverride();
bool active = e->getActive();
e->slotResetDirty();
m_MixerSettings[id] = AlsaConfigMixerSetting(card,name,use,active,vol);
}
}
void AlsaSoundConfiguration::restoreCaptureMixerSettings()
{
for (TQMapIterator<TQString, QAlsaMixerElement*> it = m_MixerElements.begin(); it != m_MixerElements.end(); ++it) {
const TQString &name = it.key();
int card = m_currentCaptureCard;
TQString id = AlsaConfigMixerSetting::getIDString(card, name);
QAlsaMixerElement *e = *it;
if (m_MixerSettings.contains(id)) {
const AlsaConfigMixerSetting &s = m_MixerSettings[id];
e->setVolume(s.m_volume);
e->setOverride(s.m_use);
e->setActive(s.m_active);
e->slotResetDirty();
} else {
if (name == "ADC") {
e->setOverride(true);
e->setActive(true);
e->setVolume(1.0);
}
else if (name == "Digital") {
e->setOverride(true);
e->setActive(true);
e->setVolume(1.0);
}
else if (name == "Wave") {
e->setOverride(true);
e->setActive(false);
e->setVolume(0);
}
else if (name == "Capture") {
e->setOverride(true);
e->setActive(true);
e->setVolume(0.01);
}
e->slotSetDirty();
}
}
}
int AlsaSoundConfiguration::listSoundDevices(KComboBox *combobox, TQMap<TQString, int> *devname2dev, TQMap<int, TQString> *dev2devname, TQMap<int, int> *dev2idx, int card, snd_pcm_stream_t stream)
{
snd_ctl_t *handle = NULL;
int dev = -1;
snd_ctl_card_info_t *info = NULL;
snd_pcm_info_t *pcminfo = NULL;
snd_ctl_card_info_alloca(&info);
snd_pcm_info_alloca (&pcminfo);
TQString ctlname = "hw:"+TQString::number(card);
if (combobox)
combobox->clear();
if (devname2dev)
devname2dev->clear();
if (dev2devname)
dev2devname->clear();
if (dev2idx)
dev2idx->clear();
int count = 0;
if (snd_ctl_open (&handle, ctlname.ascii(), 0) == 0) {
if (snd_ctl_card_info(handle, info) == 0) {
dev = -1;
while (1) {
if (snd_ctl_pcm_next_device(handle, &dev) < 0) {
//logError("snd_ctl_pcm_next_device");
}
if (dev < 0)
break;
snd_pcm_info_set_device(pcminfo, dev);
snd_pcm_info_set_subdevice(pcminfo, 0);
snd_pcm_info_set_stream(pcminfo, stream);
int err = 0;
if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
if (err != -ENOENT) {
//logError(TQString("control digital audio info (%1): %2").tqarg(card).tqarg(snd_strerror(err)));
}
continue;
}
const char *dev_name = snd_pcm_info_get_name(pcminfo);
TQString devname = i18n("context-card-plus-device-number", "%1 device %2").tqarg(dev_name).tqarg(dev);
if (combobox)
combobox->insertItem(devname);
if (devname2dev)
(*devname2dev)[devname] = dev;
if (dev2devname)
(*dev2devname)[dev] = devname;
if (dev2idx)
(*dev2idx)[dev] = count;
++count;
}
}
snd_ctl_close(handle);
}
return count;
}
void AlsaSoundConfiguration::slotOK()
{
if (!m_dirty)
return;
if (m_SoundDevice) {
m_SoundDevice->setHWBufferSize ( editHWBufferSize ->value() * 1024);
m_SoundDevice->setBufferSize ( editBufferSize ->value() * 1024);
m_SoundDevice->enablePlayback (!chkDisablePlayback->isChecked());
m_SoundDevice->enableCapture (!chkDisableCapture ->isChecked());
int card = m_name2card[m_comboPlaybackCard->currentText()];
int device = m_playbackDeviceName2dev[m_comboPlaybackDevice->currentText()];
m_SoundDevice->setPlaybackDevice( card, device);
card = m_name2card[m_comboCaptureCard->currentText()];
device = m_captureDeviceName2dev[m_comboCaptureDevice->currentText()];
m_SoundDevice->setCaptureDevice ( card, device);
saveCaptureMixerSettings();
m_SoundDevice->setCaptureMixerSettings(m_MixerSettings);
}
m_dirty = false;
}
void AlsaSoundConfiguration::slotCancel()
{
if (!m_dirty)
return;
m_ignore_updates = true;
int card = m_SoundDevice ? m_SoundDevice->getPlaybackCard() : 0;
int dev = m_SoundDevice ? m_SoundDevice->getPlaybackDevice() : 0;
m_comboPlaybackCard ->setCurrentItem(m_playbackCard2idx[card]);
slotPlaybackCardSelected(m_comboPlaybackCard->currentText());
m_comboPlaybackDevice->setCurrentItem(m_playbackDevice2idx[dev]);
card = m_SoundDevice ? m_SoundDevice->getCaptureCard() : 0;
dev = m_SoundDevice ? m_SoundDevice->getCaptureDevice() : 0;
m_comboCaptureCard ->setCurrentItem(m_captureCard2idx[card]);
slotCaptureCardSelected(m_comboCaptureCard->currentText());
m_comboCaptureDevice->setCurrentItem(m_captureDevice2idx[dev]);
//IErrorLogClient::staticLogDebug(TQString("capture: card = %1(%2), dev = %3").tqarg(card).tqarg(m_captureCard2idx[card]).tqarg(dev));
editHWBufferSize ->setValue (m_SoundDevice ? m_SoundDevice->getHWBufferSize()/1024 : 4);
editBufferSize ->setValue (m_SoundDevice ? m_SoundDevice->getBufferSize()/1024 : 4);
chkDisablePlayback->setChecked(m_SoundDevice ? !m_SoundDevice->isPlaybackEnabled() : false);
chkDisableCapture ->setChecked(m_SoundDevice ? !m_SoundDevice->isCaptureEnabled() : false);
//IErrorLogClient::staticLogDebug(TQString("capture: card = %1").tqarg(m_comboCaptureCard->currentText()));
if (m_SoundDevice)
m_MixerSettings = m_SoundDevice->getCaptureMixerSettings();
else
m_MixerSettings.clear();
restoreCaptureMixerSettings();
m_ignore_updates = false;
m_dirty = false;
}
void AlsaSoundConfiguration::slotUpdateConfig()
{
slotSetDirty();
slotCancel();
}
void AlsaSoundConfiguration::slotSetDirty()
{
if (!m_dirty && !m_ignore_updates) {
m_dirty = true;
//emit sigDirty();
}
}
#include "alsa-sound-configuration.moc"
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