diff options
Diffstat (limited to 'src/plugins/v4l/radio/v4lradiocontrol.cpp')
| -rw-r--r-- | src/plugins/v4l/radio/v4lradiocontrol.cpp | 536 |
1 files changed, 0 insertions, 536 deletions
diff --git a/src/plugins/v4l/radio/v4lradiocontrol.cpp b/src/plugins/v4l/radio/v4lradiocontrol.cpp deleted file mode 100644 index 5eba1350d..000000000 --- a/src/plugins/v4l/radio/v4lradiocontrol.cpp +++ /dev/null @@ -1,536 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "v4lradiocontrol.h" -#include "v4lradioservice.h" - -#include <QtCore/qdebug.h> - -#include <fcntl.h> - -#include <sys/ioctl.h> -#include "linux/videodev2.h" - -#include <sys/soundcard.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include <unistd.h> - -V4LRadioControl::V4LRadioControl(QObject *parent) - :QRadioTunerControl(parent) -{ - fd = -1; - initRadio(); - muted = false; - stereo = false; - m_error = false; - sig = 0; - currentBand = QRadioTuner::FM; - step = 100000; - scanning = false; - playTime.restart(); - timer = new QTimer(this); - timer->setInterval(200); - connect(timer,SIGNAL(timeout()),this,SLOT(search())); - timer->start(); -} - -V4LRadioControl::~V4LRadioControl() -{ - timer->stop(); - - if(fd > 0) - ::close(fd); -} - -bool V4LRadioControl::isAvailable() const -{ - return available; -} - -QMultimedia::AvailabilityStatus V4LRadioControl::availability() const -{ - if (fd > 0) - return QMultimedia::Available; - else - return QMultimedia::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); - } - playTime.restart(); -} - -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; - playTime.restart(); - emit frequencyChanged(currentFreq); - } - } - playTime.restart(); -} - -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; - - // Return the first tuner founds signal strength. - for ( int index = 0; index < tuners; ++index ) { - memset( &tuner, 0, sizeof( tuner ) ); - tuner.index = index; - if ( ioctl( fd, VIDIOC_G_TUNER, &tuner ) < 0 ) - continue; - if ( tuner.type != V4L2_TUNER_RADIO ) - continue; - // percentage signal strength - return tuner.signal*100/65535; - } - - return 0; -} - -int V4LRadioControl::volume() const -{ - v4l2_queryctrl queryctrl; - - if(fd > 0) { - memset( &queryctrl, 0, sizeof( queryctrl ) ); - queryctrl.id = V4L2_CID_AUDIO_VOLUME; - if ( ioctl( fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 ) { - if(queryctrl.maximum == 0) { - return vol; - } else { - // percentage volume returned - return queryctrl.default_value*100/queryctrl.maximum; - } - } - } - return 0; -} - -void V4LRadioControl::setVolume(int volume) -{ - v4l2_queryctrl queryctrl; - - if(fd > 0) { - memset( &queryctrl, 0, sizeof( queryctrl ) ); - queryctrl.id = V4L2_CID_AUDIO_VOLUME; - if ( ioctl( fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 ) { - v4l2_control control; - - if(queryctrl.maximum > 0) { - memset( &control, 0, sizeof( control ) ); - control.id = V4L2_CID_AUDIO_VOLUME; - control.value = volume*queryctrl.maximum/100; - ioctl( fd, VIDIOC_S_CTRL, &control ); - } else { - setVol(volume); - } - emit volumeChanged(volume); - } - } -} - -bool V4LRadioControl::isMuted() const -{ - return muted; -} - -void V4LRadioControl::setMuted(bool muted) -{ - v4l2_queryctrl queryctrl; - - if(fd > 0) { - memset( &queryctrl, 0, sizeof( queryctrl ) ); - queryctrl.id = V4L2_CID_AUDIO_MUTE; - if ( ioctl( fd, VIDIOC_QUERYCTRL, &queryctrl ) >= 0 ) { - v4l2_control control; - memset( &control, 0, sizeof( control ) ); - control.id = V4L2_CID_AUDIO_MUTE; - control.value = (muted ? queryctrl.maximum : queryctrl.minimum ); - ioctl( fd, VIDIOC_S_CTRL, &control ); - this->muted = muted; - emit mutedChanged(muted); - } - } -} - -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() -{ - int signal = signalStrength(); - if(sig != signal) { - sig = signal; - emit signalStrengthChanged(sig); - } - - if(!scanning) return; - - if (signal > 25) { - cancelSearch(); - return; - } - - if(forward) { - setFrequency(currentFreq+step); - } else { - setFrequency(currentFreq-step); - } -} - -bool V4LRadioControl::initRadio() -{ - v4l2_tuner tuner; - v4l2_input input; - v4l2_frequency freq; - v4l2_capability cap; - - low = false; - available = false; - freqMin = freqMax = currentFreq = 0; - - fd = ::open("/dev/radio0", O_RDWR); - - if(fd != -1) { - // Capabilities - memset( &cap, 0, sizeof( cap ) ); - if(::ioctl(fd, VIDIOC_QUERYCAP, &cap ) >= 0) { - if(((cap.capabilities & V4L2_CAP_RADIO) == 0) && ((cap.capabilities & V4L2_CAP_AUDIO) == 0)) - available = true; - } - - // Tuners - memset( &input, 0, sizeof( input ) ); - tuners = 0; - for ( ;; ) { - memset( &input, 0, sizeof( input ) ); - input.index = tuners; - if ( ioctl( fd, VIDIOC_ENUMINPUT, &input ) < 0 ) - break; - ++tuners; - } - - // Freq bands - for ( int index = 0; index < tuners; ++index ) { - memset( &tuner, 0, sizeof( tuner ) ); - tuner.index = index; - if ( ioctl( fd, VIDIOC_G_TUNER, &tuner ) < 0 ) - continue; - if ( tuner.type != V4L2_TUNER_RADIO ) - continue; - 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; - } - - vol = getVol(); - - return true; - } - m_error = true; - emit error(); - - return false; -} - -void V4LRadioControl::setVol(int v) -{ - int fd = ::open( "/dev/mixer", O_RDWR, 0 ); - if ( fd < 0 ) - return; - int volume = v; - if ( volume < 0 ) - volume = 0; - else if ( volume > 100 ) - volume = 100; - vol = volume; - volume += volume << 8; - ::ioctl( fd, MIXER_WRITE(SOUND_MIXER_VOLUME), &volume ); - ::close( fd ); -} - -int V4LRadioControl::getVol() -{ - int fd = ::open( "/dev/mixer", O_RDWR, 0 ); - if ( fd >= 0 ) { - int volume = 0; - ::ioctl( fd, MIXER_READ(SOUND_MIXER_VOLUME), &volume ); - int left = ( volume & 0xFF ); - int right = ( ( volume >> 8 ) & 0xFF ); - if ( left > right ) - vol = left; - else - vol = right; - ::close( fd ); - return vol; - } - return 0; -} - |