diff options
Diffstat (limited to 'src/plugins/v4l/radio/v4lradiocontrol_maemo5.cpp')
| -rw-r--r-- | src/plugins/v4l/radio/v4lradiocontrol_maemo5.cpp | 755 |
1 files changed, 0 insertions, 755 deletions
diff --git a/src/plugins/v4l/radio/v4lradiocontrol_maemo5.cpp b/src/plugins/v4l/radio/v4lradiocontrol_maemo5.cpp deleted file mode 100644 index 5ecfe74a2..000000000 --- a/src/plugins/v4l/radio/v4lradiocontrol_maemo5.cpp +++ /dev/null @@ -1,755 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "v4lradiocontrol_maemo5.h" -#include "v4lradioservice.h" - -#include "linux/videodev2.h" -#include <linux/videodev.h> -#include <sys/soundcard.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include <unistd.h> - -#define HEADPHONE_STATE_FILE "/sys/devices/platform/gpio-switch/headphone/state" -#define HEADPHONE_CONNECTED_STATE "connected" -#define HEADPHONE_DISCONNECTED_STATE "disconnected" - -#define FMRXENABLER_DBUS_SERVICE "de.pycage.FMRXEnabler" -#define FMRXENABLER_DBUS_OBJ_PATH "/de/pycage/FMRXEnabler" -#define FMRXENABLER_DBUS_IFACE_NAME "de.pycage.FMRXEnabler" - -gboolean -state_file_changed(GIOChannel* source, GIOCondition /*condition*/, gpointer data) -{ - V4LRadioControl* radioControl = (V4LRadioControl*)data; - gchar* result; - - g_io_channel_seek_position(source, 0, G_SEEK_SET, NULL); - g_io_channel_read_line(source, &result, NULL, NULL, NULL); - g_strstrip(result); - - if (g_ascii_strcasecmp(result, HEADPHONE_DISCONNECTED_STATE) == 0) { - radioControl->enablePipeline(false); - } else if (g_ascii_strcasecmp(result, HEADPHONE_CONNECTED_STATE) == 0) { - // Wait 400ms until audio is routed again to headphone to prevent sound coming from speakers - QTimer::singleShot(400,radioControl,SLOT(enablePipeline())); - } - -#ifdef MULTIMEDIA_MAEMO_DEBUG - qDebug() << "Headphone is now" << result; -#endif - - g_free(result); - return true; -} - -V4LRadioControl::V4LRadioControl(QObject *parent) - : QRadioTunerControl(parent) - , fd(1) - , m_error(false) - , muted(false) - , stereo(false) - , step(100000) - , sig(0) - , scanning(false) - , currentBand(QRadioTuner::FM) - , pipeline(0) -{ - if (QDBusConnection::systemBus().isConnected()) { - FMRXEnablerIFace = new QDBusInterface(FMRXENABLER_DBUS_SERVICE, - FMRXENABLER_DBUS_OBJ_PATH, - FMRXENABLER_DBUS_IFACE_NAME, - QDBusConnection::systemBus()); - } - - createGstPipeline(); - - GIOChannel* headphoneStateFile = NULL; - headphoneStateFile = g_io_channel_new_file(HEADPHONE_STATE_FILE, "r", NULL); - if (headphoneStateFile != NULL) { - g_io_add_watch(headphoneStateFile, G_IO_PRI, state_file_changed, this); - } else { -#ifdef MULTIMEDIA_MAEMO_DEBUG - qWarning() << QString("File %1 can't be read!").arg(HEADPHONE_STATE_FILE) ; - qWarning() << "Monitoring headphone state isn't possible!"; -#endif - } - - enableFMRX(); - initRadio(); - setupHeadPhone(); - - setMuted(false); - - timer = new QTimer(this); - timer->setInterval(200); - connect(timer,SIGNAL(timeout()),this,SLOT(search())); - - tickTimer = new QTimer(this); - tickTimer->setInterval(10000); - connect(tickTimer,SIGNAL(timeout()),this,SLOT(enableFMRX())); - tickTimer->start(); -} - -V4LRadioControl::~V4LRadioControl() -{ - if (pipeline) - { - gst_element_set_state (pipeline, GST_STATE_NULL); - gst_object_unref (GST_OBJECT (pipeline)); - } - - if(fd > 0) - ::close(fd); -} - -void V4LRadioControl::enablePipeline(bool enable) -{ - if (enable == true) - gst_element_set_state (pipeline, GST_STATE_PLAYING); - else - gst_element_set_state (pipeline, GST_STATE_NULL); -} - -void V4LRadioControl::enableFMRX() -{ - if (FMRXEnablerIFace && FMRXEnablerIFace->isValid()) { - FMRXEnablerIFace->call("request"); // Return value ignored - } -} - -// Workaround to capture sound from the PGA line and play it back using gstreamer -// because N900 doesn't output sound directly to speakers -bool V4LRadioControl::createGstPipeline() -{ - GstElement *source, *sink; - - gst_init (NULL, NULL); - pipeline = gst_pipeline_new("my-pipeline"); - - source = gst_element_factory_make ("pulsesrc", "source"); - sink = gst_element_factory_make ("pulsesink", "sink"); - - gst_bin_add_many (GST_BIN (pipeline), source, sink, (char *)NULL); - - if (!gst_element_link_many (source, sink, (char *)NULL)) { - return false; - } - - gst_element_set_state (pipeline, GST_STATE_PLAYING); - - return true; -} - -bool V4LRadioControl::isAvailable() const -{ - return available; -} - -QtMultimediaKit::AvailabilityError V4LRadioControl::availabilityError() const -{ - if (fd > 0) - return QtMultimediaKit::NoError; - else - return QtMultimediaKit::ResourceError; -} - -QRadioTuner::State V4LRadioControl::state() const -{ - return fd > 0 ? QRadioTuner::ActiveState : QRadioTuner::StoppedState; -} - -QRadioTuner::Band V4LRadioControl::band() const -{ - return currentBand; -} - -bool V4LRadioControl::isBandSupported(QRadioTuner::Band b) const -{ - QRadioTuner::Band bnd = (QRadioTuner::Band)b; - switch(bnd) { - case QRadioTuner::FM: - if(freqMin <= 87500000 && freqMax >= 108000000) - return true; - break; - case QRadioTuner::LW: - if(freqMin <= 148500 && freqMax >= 283500) - return true; - case QRadioTuner::AM: - if(freqMin <= 520000 && freqMax >= 1610000) - return true; - default: - if(freqMin <= 1711000 && freqMax >= 30000000) - return true; - } - - return false; -} - -void V4LRadioControl::setBand(QRadioTuner::Band b) -{ - if(freqMin <= 87500000 && freqMax >= 108000000 && b == QRadioTuner::FM) { - // FM 87.5 to 108.0 MHz, except Japan 76-90 MHz - currentBand = (QRadioTuner::Band)b; - step = 100000; // 100kHz steps - emit bandChanged(currentBand); - - } else if(freqMin <= 148500 && freqMax >= 283500 && b == QRadioTuner::LW) { - // LW 148.5 to 283.5 kHz, 9kHz channel spacing (Europe, Africa, Asia) - currentBand = (QRadioTuner::Band)b; - step = 1000; // 1kHz steps - emit bandChanged(currentBand); - - } else if(freqMin <= 520000 && freqMax >= 1610000 && b == QRadioTuner::AM) { - // AM 520 to 1610 kHz, 9 or 10kHz channel spacing, extended 1610 to 1710 kHz - currentBand = (QRadioTuner::Band)b; - step = 1000; // 1kHz steps - emit bandChanged(currentBand); - - } else if(freqMin <= 1711000 && freqMax >= 30000000 && b == QRadioTuner::SW) { - // SW 1.711 to 30.0 MHz, divided into 15 bands. 5kHz channel spacing - currentBand = (QRadioTuner::Band)b; - step = 500; // 500Hz steps - emit bandChanged(currentBand); - } -} - -int V4LRadioControl::frequency() const -{ - return currentFreq; -} - -int V4LRadioControl::frequencyStep(QRadioTuner::Band b) const -{ - int step = 0; - - if(b == QRadioTuner::FM) - step = 100000; // 100kHz steps - else if(b == QRadioTuner::LW) - step = 1000; // 1kHz steps - else if(b == QRadioTuner::AM) - step = 1000; // 1kHz steps - else if(b == QRadioTuner::SW) - step = 500; // 500Hz steps - - return step; -} - -QPair<int,int> V4LRadioControl::frequencyRange(QRadioTuner::Band b) const -{ - if(b == QRadioTuner::AM) - return qMakePair<int,int>(520000,1710000); - else if(b == QRadioTuner::FM) - return qMakePair<int,int>(87500000,108000000); - else if(b == QRadioTuner::SW) - return qMakePair<int,int>(1711111,30000000); - else if(b == QRadioTuner::LW) - return qMakePair<int,int>(148500,283500); - - return qMakePair<int,int>(0,0); -} - -void V4LRadioControl::setFrequency(int frequency) -{ - qint64 f = frequency; - - v4l2_frequency freq; - - if(frequency < freqMin) - f = freqMax; - if(frequency > freqMax) - f = freqMin; - - if(fd > 0) { - memset(&freq, 0, sizeof(freq)); - // Use the first tuner - freq.tuner = 0; - if (::ioctl(fd, VIDIOC_G_FREQUENCY, &freq) >= 0) { - if(low) { - // For low, freq in units of 62.5Hz, so convert from Hz to units. - freq.frequency = (int)(f/62.5); - } else { - // For high, freq in units of 62.5kHz, so convert from Hz to units. - freq.frequency = (int)(f/62500); - } - ::ioctl(fd, VIDIOC_S_FREQUENCY, &freq); - currentFreq = f; - emit frequencyChanged(currentFreq); - - int signal = signalStrength(); - if(sig != signal) { - sig = signal; - emit signalStrengthChanged(sig); - } - } - } -} - -bool V4LRadioControl::isStereo() const -{ - return stereo; -} - -QRadioTuner::StereoMode V4LRadioControl::stereoMode() const -{ - return QRadioTuner::Auto; -} - -void V4LRadioControl::setStereoMode(QRadioTuner::StereoMode mode) -{ - bool stereo = true; - - if(mode == QRadioTuner::ForceMono) - stereo = false; - - v4l2_tuner tuner; - - memset(&tuner, 0, sizeof(tuner)); - - if (ioctl(fd, VIDIOC_G_TUNER, &tuner) >= 0) { - if(stereo) - tuner.audmode = V4L2_TUNER_MODE_STEREO; - else - tuner.audmode = V4L2_TUNER_MODE_MONO; - - if (ioctl(fd, VIDIOC_S_TUNER, &tuner) >= 0) { - emit stereoStatusChanged(stereo); - } - } -} - -int V4LRadioControl::signalStrength() const -{ - v4l2_tuner tuner; - - tuner.index = 0; - if (ioctl(fd, VIDIOC_G_TUNER, &tuner) < 0 || tuner.type != V4L2_TUNER_RADIO) - return 0; - return tuner.signal*100/65535; -} - -int V4LRadioControl::vol(snd_hctl_elem_t *elem) const -{ - const QString card("hw:0"); - int err; - snd_ctl_elem_id_t *id; - snd_ctl_elem_info_t *info; - snd_ctl_elem_value_t *control; - snd_ctl_elem_id_alloca(&id); - snd_ctl_elem_info_alloca(&info); - snd_ctl_elem_value_alloca(&control); - if ((err = snd_hctl_elem_info(elem, info)) < 0) { - return 0; - } - - snd_hctl_elem_get_id(elem, id); - snd_hctl_elem_read(elem, control); - - return snd_ctl_elem_value_get_integer(control, 0); -} - -int V4LRadioControl::volume() const -{ - const QString ctlName("Line DAC Playback Volume"); - const QString card("hw:0"); - - int volume = 0; - int err; - static snd_ctl_t *handle = NULL; - snd_ctl_elem_info_t *info; - snd_ctl_elem_id_t *id; - snd_ctl_elem_value_t *control; - - snd_ctl_elem_info_alloca(&info); - snd_ctl_elem_id_alloca(&id); - snd_ctl_elem_value_alloca(&control); - snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER); /* MIXER */ - - snd_ctl_elem_id_set_name(id, ctlName.toAscii()); - - if ((err = snd_ctl_open(&handle, card.toAscii(), 0)) < 0) { - return 0; - } - - snd_ctl_elem_info_set_id(info, id); - if ((err = snd_ctl_elem_info(handle, info)) < 0) { - snd_ctl_close(handle); - handle = NULL; - return 0; - } - - snd_ctl_elem_info_get_id(info, id); /* FIXME: Remove it when hctl find works ok !!! */ - snd_ctl_elem_value_set_id(control, id); - - snd_ctl_close(handle); - handle = NULL; - - snd_hctl_t *hctl; - snd_hctl_elem_t *elem; - if ((err = snd_hctl_open(&hctl, card.toAscii(), 0)) < 0) { - return 0; - } - if ((err = snd_hctl_load(hctl)) < 0) { - return 0; - } - elem = snd_hctl_find_elem(hctl, id); - if (elem) - volume = vol(elem); - - snd_hctl_close(hctl); - - return (volume/118.0) * 100; -} - -void V4LRadioControl::setVolume(int volume) -{ - int vol = (volume / 100.0) * 118; // 118 is a headphone max setting - callAmixer("Line DAC Playback Volume", QString().setNum(vol)+QString(",")+QString().setNum(vol)); -} - -bool V4LRadioControl::isMuted() const -{ - return muted; -} - -void V4LRadioControl::setMuted(bool muted) -{ - struct v4l2_control vctrl; - vctrl.id = V4L2_CID_AUDIO_MUTE; - vctrl.value = muted ? 1 : 0; - ioctl(fd, VIDIOC_S_CTRL, &vctrl); -} - -void V4LRadioControl::setupHeadPhone() -{ - QMap<QString, QString> settings; - - settings["Jack Function"] = "Headset"; - settings["Left DAC_L1 Mixer HP Switch"] = "off"; - settings["Right DAC_R1 Mixer HP Switch"] = "off"; - settings["Line DAC Playback Switch"] = "on"; - settings["Line DAC Playback Volume"] = "118,118"; // Volume is set to 100% - settings["HPCOM DAC Playback Switch"] = "off"; - settings["Left DAC_L1 Mixer HP Switch"] = "off"; - settings["Left DAC_L1 Mixer Line Switch"] = "on"; - settings["Right DAC_R1 Mixer HP Switch"] = "off"; - settings["Right DAC_R1 Mixer Line Switch"] = "on"; - settings["Speaker Function"] = "Off"; - - settings["Input Select"] = "ADC"; - settings["Left PGA Mixer Line1L Switch"] = "off"; - settings["Right PGA Mixer Line1L Switch"] = "off"; - settings["Right PGA Mixer Line1R Switch"] = "off"; - settings["PGA Capture Volume"] = "0,0"; - - settings["PGA Capture Switch"] = "on"; - - settings["Left PGA Mixer Line2L Switch"] = "on"; - settings["Right PGA Mixer Line2R Switch"] = "on"; - - QMapIterator<QString, QString> i(settings); - while (i.hasNext()) { - i.next(); - callAmixer(i.key(), i.value()); - } -} - -void V4LRadioControl::callAmixer(const QString& target, const QString& value) -{ - int err; - long tmp; - unsigned int count; - static snd_ctl_t *handle = NULL; - QString card("hw:0"); - snd_ctl_elem_info_t *info; - snd_ctl_elem_id_t *id; - snd_ctl_elem_value_t *control; - snd_ctl_elem_type_t type; - - snd_ctl_elem_info_alloca(&info); - snd_ctl_elem_id_alloca(&id); - snd_ctl_elem_value_alloca(&control); - snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER); /* MIXER */ - - // in amixer parse func - // char target[64]; - // e.g. PGA CAPTure Switch - snd_ctl_elem_id_set_name(id, target.toAscii()); - - if (handle == NULL && (err = snd_ctl_open(&handle, card.toAscii(), 0)) < 0) - { - return; - } - - snd_ctl_elem_info_set_id(info, id); - if ((err = snd_ctl_elem_info(handle, info)) < 0) - { - snd_ctl_close(handle); - handle = NULL; - return; - } - - snd_ctl_elem_info_get_id(info, id); /* FIXME: Remove it when hctl find works ok !!! */ - type = snd_ctl_elem_info_get_type(info); - count = snd_ctl_elem_info_get_count(info); - - snd_ctl_elem_value_set_id(control, id); - - tmp = 0; - for (uint idx = 0; idx < count && idx < 128; idx++) - { - switch (type) - { - case SND_CTL_ELEM_TYPE_BOOLEAN: -#ifdef MULTIMEDIA_MAEMO_DEBUG - qDebug() << "SND_CTL_ELEM_TYPE_BOOLEAN" << SND_CTL_ELEM_TYPE_BOOLEAN; -#endif - if ((value == "on") ||(value == "1")) - { - tmp = 1; - } - snd_ctl_elem_value_set_boolean(control, idx, tmp); - break; - case SND_CTL_ELEM_TYPE_ENUMERATED: - tmp = getEnumItemIndex(handle, info, value); - snd_ctl_elem_value_set_enumerated(control, idx, tmp); - break; - case SND_CTL_ELEM_TYPE_INTEGER: -#ifdef MULTIMEDIA_MAEMO_DEBUG - qDebug() << "SND_CTL_ELEM_TYPE_INTEGER" << SND_CTL_ELEM_TYPE_INTEGER; -#endif - tmp = atoi(value.toAscii()); - if (tmp < snd_ctl_elem_info_get_min(info)) - tmp = snd_ctl_elem_info_get_min(info); - else if (tmp > snd_ctl_elem_info_get_max(info)) - tmp = snd_ctl_elem_info_get_max(info); - snd_ctl_elem_value_set_integer(control, idx, tmp); - break; - default: - break; - - } - } - - if ((err = snd_ctl_elem_write(handle, control)) < 0) { - snd_ctl_close(handle); - handle = NULL; - return; - } - - snd_ctl_close(handle); - handle = NULL; -} - - -int V4LRadioControl::getEnumItemIndex(snd_ctl_t *handle, snd_ctl_elem_info_t *info, - const QString &value) -{ - int items, i; - - items = snd_ctl_elem_info_get_items(info); - if (items <= 0) - return -1; - - for (i = 0; i < items; i++) - { - snd_ctl_elem_info_set_item(info, i); - if (snd_ctl_elem_info(handle, info) < 0) - return -1; - QString name = snd_ctl_elem_info_get_item_name(info); - if(name == value) - { - return i; - } - } - return -1; -} - -bool V4LRadioControl::isSearching() const -{ - return scanning; -} - -void V4LRadioControl::cancelSearch() -{ - scanning = false; - timer->stop(); -} - -void V4LRadioControl::searchForward() -{ - // Scan up - if(scanning) { - cancelSearch(); - return; - } - scanning = true; - forward = true; - timer->start(); -} - -void V4LRadioControl::searchBackward() -{ - // Scan down - if(scanning) { - cancelSearch(); - return; - } - scanning = true; - forward = false; - timer->start(); -} - -void V4LRadioControl::start() -{ -} - -void V4LRadioControl::stop() -{ -} - -QRadioTuner::Error V4LRadioControl::error() const -{ - if(m_error) - return QRadioTuner::OpenError; - - return QRadioTuner::NoError; -} - -QString V4LRadioControl::errorString() const -{ - return QString(); -} - -void V4LRadioControl::search() -{ - if(!scanning) return; - - if(forward) { - setFrequency(currentFreq+step); - } else { - setFrequency(currentFreq-step); - } - - int signal = signalStrength(); - if(sig != signal) { - sig = signal; - emit signalStrengthChanged(sig); - } - - if (signal > 25) { - cancelSearch(); - return; - } -} - -bool V4LRadioControl::initRadio() -{ - v4l2_tuner tuner; - v4l2_frequency freq; - v4l2_capability cap; - - low = false; - available = false; - freqMin = freqMax = currentFreq = 0; - - fd = ::open("/dev/radio1", O_RDWR); - - if(fd != -1) { - // Capabilities - memset(&cap, 0, sizeof(cap)); - if(::ioctl(fd, VIDIOC_QUERYCAP, &cap ) >= 0) { - available = true; - } - - tuner.index = 0; - - if (ioctl(fd, VIDIOC_G_TUNER, &tuner) < 0) { - return false; - } - - if (tuner.type != V4L2_TUNER_RADIO) - return false; - - if ((tuner.capability & V4L2_TUNER_CAP_LOW) != 0) { - // Units are 1/16th of a kHz. - low = true; - } - - if(low) { - freqMin = tuner.rangelow * 62.5; - freqMax = tuner.rangehigh * 62.5; - } else { - freqMin = tuner.rangelow * 62500; - freqMax = tuner.rangehigh * 62500; - } - - // frequency - memset(&freq, 0, sizeof(freq)); - - if(::ioctl(fd, VIDIOC_G_FREQUENCY, &freq) >= 0) { - if (((int)freq.frequency) != -1) { // -1 means not set. - if(low) - currentFreq = freq.frequency * 62.5; - else - currentFreq = freq.frequency * 62500; - } - } - - // stereo - bool stereo = false; - memset(&tuner, 0, sizeof(tuner)); - if (ioctl(fd, VIDIOC_G_TUNER, &tuner) >= 0) { - if((tuner.rxsubchans & V4L2_TUNER_SUB_STEREO) != 0) - stereo = true; - } - - return true; - } - - m_error = true; - emit error(); - - return false; -} |