diff options
Diffstat (limited to 'src/plugins/Output/qtmultimedia/outputqtmultimedia.cpp')
| -rw-r--r-- | src/plugins/Output/qtmultimedia/outputqtmultimedia.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/plugins/Output/qtmultimedia/outputqtmultimedia.cpp b/src/plugins/Output/qtmultimedia/outputqtmultimedia.cpp new file mode 100644 index 000000000..142292bdd --- /dev/null +++ b/src/plugins/Output/qtmultimedia/outputqtmultimedia.cpp @@ -0,0 +1,136 @@ +/*************************************************************************** + * Copyright (C) 2015 by Ivan Ponomarev * + * ivantrue@gmail.com * + * * + * 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 "outputqtmultimedia.h" + +#include <QAudioOutput> +#include <QAudioFormat> +#include <QAudioDeviceInfo> +#include <QBuffer> +#include <QSettings> +#include <QDebug> + + +OutputQtMultimedia::OutputQtMultimedia() : Output(), m_buffer(NULL) +{ +} + +OutputQtMultimedia::~OutputQtMultimedia() +{ +} + +bool OutputQtMultimedia::initialize(quint32 freq, ChannelMap map, Qmmp::AudioFormat format) +{ + QAudioFormat qformat; + qformat.setCodec("audio/pcm"); + qformat.setFrequency(freq); + qformat.setByteOrder(QAudioFormat::LittleEndian); + qformat.setChannels(map.size()); + qformat.setSampleType(QAudioFormat::SignedInt); + switch (format) + { + case Qmmp::PCM_S8: + qformat.setSampleSize(8); + break; + case Qmmp::PCM_S16LE: + qformat.setSampleSize(16); + break; + case Qmmp::PCM_S24LE: + qformat.setSampleSize(24); + break; + case Qmmp::PCM_S32LE: + qformat.setSampleSize(32); + break; + default: + break; + } + + if (!qformat.isValid()) + return false; + + const QSettings settings(Qmmp::configFile(), QSettings::IniFormat); + const QString saved_device_name = settings.value("QTMULTIMEDIA/device").toString(); + + QAudioDeviceInfo device_info; + if (!saved_device_name.isEmpty()) + { + const QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput); + foreach (const QAudioDeviceInfo &info, devices) + { + if (info.deviceName()==saved_device_name) + { + if (info.isFormatSupported(qformat)) + { + device_info = info; + break; + } + else + qDebug() << "OutputQtMultimedia: Output device: " << saved_device_name << " is not supported"; + } + } + } + + if (device_info.isNull()) + { + device_info = QAudioDeviceInfo::defaultOutputDevice(); + if (!device_info.isFormatSupported(qformat)) + return false; + } + + qDebug() << "OutputQtMultimedia: Using output device: " << device_info.deviceName(); + + m_output.reset(new QAudioOutput(device_info, qformat)); + m_buffer = m_output->start(); + + configure(freq, map, format); + return true; +} + + +qint64 OutputQtMultimedia::latency() +{ + return 0; +} + +qint64 OutputQtMultimedia::writeAudio(unsigned char *data, qint64 maxSize) +{ + return m_buffer->write((const char*)data, maxSize); +} + +void OutputQtMultimedia::drain() +{ + m_buffer->waitForBytesWritten(-1); +} + +void OutputQtMultimedia::reset() +{ + m_buffer->reset(); + m_buffer = m_output->start(); +} + +void OutputQtMultimedia::suspend() +{ + m_output->suspend(); +} + +void OutputQtMultimedia::resume() +{ + m_output->resume(); +} |
