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authorMichael Goddard <michael.goddard@nokia.com>2011-06-29 13:38:46 +1000
committerMichael Goddard <michael.goddard@nokia.com>2011-06-29 13:38:46 +1000
commit2a34e88c1e1ced28e75c487cd13402e1c9cf9fa3 (patch)
treee6c1b770c5c47212792a1f9344fa034ea3e54c44 /src/plugins/pulseaudio
Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
Diffstat (limited to 'src/plugins/pulseaudio')
-rw-r--r--src/plugins/pulseaudio/pulseaudio.pro26
-rw-r--r--src/plugins/pulseaudio/qaudiodeviceinfo_pulse.cpp105
-rw-r--r--src/plugins/pulseaudio/qaudiodeviceinfo_pulse.h92
-rw-r--r--src/plugins/pulseaudio/qaudioinput_pulse.cpp600
-rw-r--r--src/plugins/pulseaudio/qaudioinput_pulse.h153
-rw-r--r--src/plugins/pulseaudio/qaudiooutput_pulse.cpp573
-rw-r--r--src/plugins/pulseaudio/qaudiooutput_pulse.h153
-rw-r--r--src/plugins/pulseaudio/qpulseaudioengine.cpp354
-rw-r--r--src/plugins/pulseaudio/qpulseaudioengine.h100
-rw-r--r--src/plugins/pulseaudio/qpulseaudioplugin.cpp89
-rw-r--r--src/plugins/pulseaudio/qpulseaudioplugin.h71
-rw-r--r--src/plugins/pulseaudio/qpulsehelpers.cpp220
-rw-r--r--src/plugins/pulseaudio/qpulsehelpers.h73
13 files changed, 2609 insertions, 0 deletions
diff --git a/src/plugins/pulseaudio/pulseaudio.pro b/src/plugins/pulseaudio/pulseaudio.pro
new file mode 100644
index 000000000..2f9b7a854
--- /dev/null
+++ b/src/plugins/pulseaudio/pulseaudio.pro
@@ -0,0 +1,26 @@
+load(qt_module)
+
+TARGET = qtmedia_pulse
+QT += multimediakit-private
+PLUGIN_TYPE = audio
+
+load(qt_plugin)
+DESTDIR = $$QT.multimediakit.plugins/$${PLUGIN_TYPE}
+
+CONFIG += link_pkgconfig
+PKGCONFIG += libpulse
+
+# Input
+HEADERS += qpulseaudioplugin.h \
+ qaudiodeviceinfo_pulse.h \
+ qaudiooutput_pulse.h \
+ qaudioinput_pulse.h \
+ qpulseaudioengine.h \
+ qpulsehelpers.h
+
+SOURCES += qpulseaudioplugin.cpp \
+ qaudiodeviceinfo_pulse.cpp \
+ qaudiooutput_pulse.cpp \
+ qaudioinput_pulse.cpp \
+ qpulseaudioengine.cpp \
+ qpulsehelpers.cpp
diff --git a/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.cpp b/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.cpp
new file mode 100644
index 000000000..54296861d
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.cpp
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qaudiodeviceinfo_pulse.h"
+#include "qpulseaudioengine.h"
+#include "qpulsehelpers.h"
+
+QT_BEGIN_NAMESPACE
+
+QPulseAudioDeviceInfo::QPulseAudioDeviceInfo(const QByteArray &device, QAudio::Mode mode)
+ : m_device(device)
+ , m_mode(mode)
+{
+}
+
+bool QPulseAudioDeviceInfo::isFormatSupported(const QAudioFormat &format) const
+{
+ pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(format);
+ if (!pa_sample_spec_valid(&spec))
+ return false;
+
+ return true;
+}
+
+QAudioFormat QPulseAudioDeviceInfo::preferredFormat() const
+{
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ QAudioFormat format = pulseEngine->m_preferredFormats.value(m_device);
+ return format;
+}
+
+QString QPulseAudioDeviceInfo::deviceName() const
+{
+ return m_device;
+}
+
+QStringList QPulseAudioDeviceInfo::supportedCodecs()
+{
+ return QStringList() << "audio/pcm";
+}
+
+QList<int> QPulseAudioDeviceInfo::supportedSampleRates()
+{
+ return QList<int>() << 8000 << 11025 << 22050 << 44100 << 48000;
+}
+
+QList<int> QPulseAudioDeviceInfo::supportedChannelCounts()
+{
+ return QList<int>() << 1 << 2 << 4 << 6 << 8;
+}
+
+QList<int> QPulseAudioDeviceInfo::supportedSampleSizes()
+{
+ return QList<int>() << 8 << 16 << 24 << 32;
+}
+
+QList<QAudioFormat::Endian> QPulseAudioDeviceInfo::supportedByteOrders()
+{
+ return QList<QAudioFormat::Endian>() << QAudioFormat::BigEndian << QAudioFormat::LittleEndian;
+}
+
+QList<QAudioFormat::SampleType> QPulseAudioDeviceInfo::supportedSampleTypes()
+{
+ return QList<QAudioFormat::SampleType>() << QAudioFormat::SignedInt << QAudioFormat::UnSignedInt << QAudioFormat::Float;
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.h b/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.h
new file mode 100644
index 000000000..f76913ca3
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudiodeviceinfo_pulse.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QAUDIODEVICEINFOPULSE_H
+#define QAUDIODEVICEINFOPULSE_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qbytearray.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qlist.h>
+
+#include "qaudio.h"
+#include "qaudiodeviceinfo.h"
+#include "qaudiosystem.h"
+
+QT_BEGIN_NAMESPACE
+
+class QPulseAudioDeviceInfo : public QAbstractAudioDeviceInfo
+{
+ Q_OBJECT
+
+public:
+ QPulseAudioDeviceInfo(const QByteArray &device, QAudio::Mode mode);
+ ~QPulseAudioDeviceInfo() {}
+
+ QAudioFormat preferredFormat() const;
+ bool isFormatSupported(const QAudioFormat &format) const;
+ QString deviceName() const;
+ QStringList supportedCodecs();
+ QList<int> supportedSampleRates();
+ QList<int> supportedChannelCounts();
+ QList<int> supportedSampleSizes();
+ QList<QAudioFormat::Endian> supportedByteOrders();
+ QList<QAudioFormat::SampleType> supportedSampleTypes();
+
+private:
+ QByteArray m_device;
+ QAudio::Mode m_mode;
+};
+
+QT_END_NAMESPACE
+
+#endif
+
diff --git a/src/plugins/pulseaudio/qaudioinput_pulse.cpp b/src/plugins/pulseaudio/qaudioinput_pulse.cpp
new file mode 100644
index 000000000..083bbabb6
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudioinput_pulse.cpp
@@ -0,0 +1,600 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qdebug.h>
+
+#include "qaudioinput_pulse.h"
+#include "qaudiodeviceinfo_pulse.h"
+#include "qpulseaudioengine.h"
+#include "qpulsehelpers.h"
+
+QT_BEGIN_NAMESPACE
+
+const int PeriodTimeMs = 50;
+
+static void inputStreamReadCallback(pa_stream *stream, size_t length, void *userdata)
+{
+ Q_UNUSED(userdata);
+ Q_UNUSED(length);
+ Q_UNUSED(stream);
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+static void inputStreamStateCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(userdata);
+ pa_stream_state_t state = pa_stream_get_state(stream);
+#ifdef DEBUG_PULSE
+ qDebug() << "Stream state: " << QPulseAudioInternal::stateToQString(state);
+#endif
+ switch (state) {
+ case PA_STREAM_CREATING:
+ break;
+ case PA_STREAM_READY: {
+#ifdef DEBUG_PULSE
+ QPulseAudioInput *audioInput = static_cast<QPulseAudioInput*>(userdata);
+ const pa_buffer_attr *buffer_attr = pa_stream_get_buffer_attr(stream);
+ qDebug() << "*** maxlength: " << buffer_attr->maxlength;
+ qDebug() << "*** prebuf: " << buffer_attr->prebuf;
+ qDebug() << "*** fragsize: " << buffer_attr->fragsize;
+ qDebug() << "*** minreq: " << buffer_attr->minreq;
+ qDebug() << "*** tlength: " << buffer_attr->tlength;
+
+ pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(audioInput->format());
+ qDebug() << "*** bytes_to_usec: " << pa_bytes_to_usec(buffer_attr->fragsize, &spec);
+#endif
+ }
+ break;
+ case PA_STREAM_TERMINATED:
+ break;
+ case PA_STREAM_FAILED:
+ default:
+ qWarning() << QString("Stream error: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(stream))));
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+ break;
+ }
+}
+
+static void inputStreamUnderflowCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(userdata)
+ Q_UNUSED(stream)
+ qWarning() << "Got a buffer underflow!";
+}
+
+static void inputStreamOverflowCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(stream)
+ Q_UNUSED(userdata)
+ qWarning() << "Got a buffer overflow!";
+}
+
+static void inputStreamSuccessCallback(pa_stream *stream, int success, void *userdata)
+{
+ Q_UNUSED(stream);
+ Q_UNUSED(userdata);
+ Q_UNUSED(success);
+
+ //if (!success)
+ //TODO: Is cork success? i->operation_success = success;
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+QPulseAudioInput::QPulseAudioInput(const QByteArray &device)
+ : m_totalTimeValue(0)
+ , m_audioSource(0)
+ , m_errorState(QAudio::NoError)
+ , m_deviceState(QAudio::StoppedState)
+ , m_pullMode(true)
+ , m_opened(false)
+ , m_bytesAvailable(0)
+ , m_bufferSize(0)
+ , m_periodSize(0)
+ , m_intervalTime(1000)
+ , m_stream(0)
+ , m_device(device)
+{
+ m_timer = new QTimer(this);
+ connect(m_timer, SIGNAL(timeout()), SLOT(userFeed()));
+}
+
+QPulseAudioInput::~QPulseAudioInput()
+{
+ close();
+ disconnect(m_timer, SIGNAL(timeout()));
+ QCoreApplication::processEvents();
+ delete m_timer;
+}
+
+QAudio::Error QPulseAudioInput::error() const
+{
+ return m_errorState;
+}
+
+QAudio::State QPulseAudioInput::state() const
+{
+ return m_deviceState;
+}
+
+void QPulseAudioInput::setFormat(const QAudioFormat &format)
+{
+ if (m_deviceState == QAudio::StoppedState)
+ m_format = format;
+}
+
+QAudioFormat QPulseAudioInput::format() const
+{
+ return m_format;
+}
+
+void QPulseAudioInput::start(QIODevice *device)
+{
+ if (m_deviceState != QAudio::StoppedState)
+ close();
+
+ if (!m_pullMode && m_audioSource)
+ delete m_audioSource;
+
+ m_pullMode = true;
+ m_audioSource = device;
+
+ m_deviceState = QAudio::ActiveState;
+
+ if (!open())
+ return;
+
+ emit stateChanged(m_deviceState);
+}
+
+QIODevice *QPulseAudioInput::start()
+{
+ if (m_deviceState != QAudio::StoppedState)
+ close();
+
+ if (!m_pullMode && m_audioSource)
+ delete m_audioSource;
+
+ m_pullMode = false;
+ m_audioSource = new InputPrivate(this);
+ m_audioSource->open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+
+ m_deviceState = QAudio::IdleState;
+
+ if (!open())
+ return 0;
+
+ emit stateChanged(m_deviceState);
+
+ return m_audioSource;
+}
+
+void QPulseAudioInput::stop()
+{
+ if (m_deviceState == QAudio::StoppedState)
+ return;
+
+ m_errorState = QAudio::NoError;
+ m_deviceState = QAudio::StoppedState;
+
+ close();
+ emit stateChanged(m_deviceState);
+}
+
+bool QPulseAudioInput::open()
+{
+ if (m_opened)
+ return false;
+
+#ifdef DEBUG_PULSE
+// QTime now(QTime::currentTime());
+// qDebug()<<now.second()<<"s "<<now.msec()<<"ms :open()";
+#endif
+ m_clockStamp.restart();
+ m_timeStamp.restart();
+ m_elapsedTimeOffset = 0;
+
+ if (m_streamName.isNull())
+ m_streamName = QString(QLatin1String("QtmPulseStream-%1-%2")).arg(::getpid()).arg(quintptr(this)).toUtf8();
+
+ pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(m_format);
+
+ if (!pa_sample_spec_valid(&spec)) {
+ m_errorState = QAudio::OpenError;
+ m_deviceState = QAudio::StoppedState;
+ emit stateChanged(m_deviceState);
+ return false;
+ }
+
+#ifdef DEBUG_PULSE
+ qDebug() << "Format: " << QPulseAudioInternal::sampleFormatToQString(spec.format);
+ qDebug() << "Rate: " << spec.rate;
+ qDebug() << "Channels: " << spec.channels;
+ qDebug() << "Frame size: " << pa_frame_size(&spec);
+#endif
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+ pa_channel_map channel_map;
+
+ pa_channel_map_init_extend(&channel_map, spec.channels, PA_CHANNEL_MAP_DEFAULT);
+
+ if (!pa_channel_map_compatible(&channel_map, &spec)) {
+ qWarning() << "Channel map doesn't match sample specification!";
+ }
+
+ m_stream = pa_stream_new(pulseEngine->context(), m_streamName.constData(), &spec, &channel_map);
+
+ pa_stream_set_state_callback(m_stream, inputStreamStateCallback, this);
+ pa_stream_set_read_callback(m_stream, inputStreamReadCallback, this);
+
+ pa_stream_set_underflow_callback(m_stream, inputStreamUnderflowCallback, this);
+ pa_stream_set_overflow_callback(m_stream, inputStreamOverflowCallback, this);
+
+ m_periodSize = pa_usec_to_bytes(PeriodTimeMs*1000, &spec);
+
+ int flags = 0;
+ pa_buffer_attr buffer_attr;
+ buffer_attr.maxlength = (uint32_t) -1;
+ buffer_attr.prebuf = (uint32_t) -1;
+ buffer_attr.tlength = (uint32_t) -1;
+ buffer_attr.minreq = (uint32_t) -1;
+ flags |= PA_STREAM_ADJUST_LATENCY;
+
+ if (m_bufferSize > 0)
+ buffer_attr.fragsize = (uint32_t) m_bufferSize;
+ else
+ buffer_attr.fragsize = (uint32_t) m_periodSize;
+
+ if (pa_stream_connect_record(m_stream, m_device.data(), &buffer_attr, (pa_stream_flags_t)flags) < 0) {
+ qWarning() << "pa_stream_connect_record() failed!";
+ m_errorState = QAudio::FatalError;
+ return false;
+ }
+
+ while (pa_stream_get_state(m_stream) != PA_STREAM_READY) {
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+ }
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+ m_opened = true;
+ m_periodSize = pa_usec_to_bytes(PeriodTimeMs*1000, &spec);
+ m_timer->start(PeriodTimeMs);
+ m_errorState = QAudio::NoError;
+
+ m_totalTimeValue = 0;
+
+ return true;
+}
+
+void QPulseAudioInput::close()
+{
+ m_timer->stop();
+
+ if (m_stream) {
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+
+ pa_stream_set_read_callback(m_stream, 0, 0);
+
+ pa_stream_disconnect(m_stream);
+ pa_stream_unref(m_stream);
+ m_stream = 0;
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ }
+
+ if (!m_pullMode && m_audioSource) {
+ delete m_audioSource;
+ m_audioSource = 0;
+ }
+ m_opened = false;
+}
+
+int QPulseAudioInput::checkBytesReady()
+{
+ if (m_deviceState != QAudio::ActiveState && m_deviceState != QAudio::IdleState) {
+ m_bytesAvailable = 0;
+ } else {
+ m_bytesAvailable = pa_stream_readable_size(m_stream);
+ }
+
+ return m_bytesAvailable;
+}
+
+int QPulseAudioInput::bytesReady() const
+{
+ return qMax(m_bytesAvailable, 0);
+}
+
+qint64 QPulseAudioInput::read(char *data, qint64 len)
+{
+ m_bytesAvailable = checkBytesReady();
+
+ if (m_deviceState != QAudio::ActiveState) {
+ m_errorState = QAudio::NoError;
+ m_deviceState = QAudio::ActiveState;
+ emit stateChanged(m_deviceState);
+ }
+
+ size_t readBytes = 0;
+
+ if (!m_pullMode && !m_tempBuffer.isEmpty()) {
+ readBytes = qMin(static_cast<int>(len), m_tempBuffer.size());
+ memcpy(data, m_tempBuffer.constData(), readBytes);
+ m_totalTimeValue += readBytes;
+
+ if (readBytes < m_tempBuffer.size()) {
+ m_tempBuffer.remove(0, readBytes);
+ return readBytes;
+ }
+
+ m_tempBuffer.clear();
+ }
+
+ while (pa_stream_readable_size(m_stream) > 0) {
+ size_t readLength = 0;
+
+#ifdef DEBUG_PULSE
+ qDebug() << "QPulseAudioInput::read -- " << pa_stream_readable_size(m_stream) << " bytes available from pulse audio";
+#endif
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+ const void *audioBuffer;
+
+ // Second and third parameters (audioBuffer and length) to pa_stream_peek are output parameters,
+ // the audioBuffer pointer is set to point to the actual pulse audio data,
+ // and the length is set to the length of this data.
+ if (pa_stream_peek(m_stream, &audioBuffer, &readLength) < 0) {
+ qWarning() << QString("pa_stream_peek() failed: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(m_stream))));
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ return 0;
+ }
+
+ qint64 actualLength = 0;
+ if (m_pullMode) {
+ actualLength = m_audioSource->write(static_cast<const char *>(audioBuffer), readLength);
+
+ if (actualLength < readLength) {
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+ m_errorState = QAudio::UnderrunError;
+ m_deviceState = QAudio::IdleState;
+ emit stateChanged(m_deviceState);
+
+ return actualLength;
+ }
+ } else {
+ actualLength = qMin(static_cast<int>(len - readBytes), static_cast<int>(readLength));
+ memcpy(data + readBytes, audioBuffer, actualLength);
+ }
+
+#ifdef DEBUG_PULSE
+ qDebug() << "QPulseAudioInput::read -- wrote " << actualLength << " to client";
+#endif
+
+ if (actualLength < readLength) {
+#ifdef DEBUG_PULSE
+ qDebug() << "QPulseAudioInput::read -- appending " << readLength - actualLength << " bytes of data to temp buffer";
+#endif
+ m_tempBuffer.append(static_cast<const char *>(audioBuffer) + actualLength, readLength - actualLength);
+ QMetaObject::invokeMethod(this, "userFeed", Qt::QueuedConnection);
+ }
+
+ m_totalTimeValue += actualLength;
+ readBytes += actualLength;
+
+ pa_stream_drop(m_stream);
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+ if (!m_pullMode && readBytes >= len)
+ break;
+ }
+
+#ifdef DEBUG_PULSE
+ qDebug() << "QPulseAudioInput::read -- returning after reading " << readBytes << " bytes";
+#endif
+
+ return readBytes;
+}
+
+void QPulseAudioInput::resume()
+{
+ if (m_deviceState == QAudio::SuspendedState || m_deviceState == QAudio::IdleState) {
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+
+ operation = pa_stream_cork(m_stream, 0, inputStreamSuccessCallback, 0);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+ m_timer->start(PeriodTimeMs);
+
+ m_deviceState = QAudio::ActiveState;
+
+ emit stateChanged(m_deviceState);
+ }
+}
+
+void QPulseAudioInput::setBufferSize(int value)
+{
+ m_bufferSize = value;
+}
+
+int QPulseAudioInput::bufferSize() const
+{
+ return m_bufferSize;
+}
+
+int QPulseAudioInput::periodSize() const
+{
+ return m_periodSize;
+}
+
+void QPulseAudioInput::setNotifyInterval(int ms)
+{
+ m_intervalTime = qMax(0, ms);
+}
+
+int QPulseAudioInput::notifyInterval() const
+{
+ return m_intervalTime;
+}
+
+qint64 QPulseAudioInput::processedUSecs() const
+{
+ pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(m_format);
+ qint64 result = pa_bytes_to_usec(m_totalTimeValue, &spec);
+
+ return result;
+}
+
+void QPulseAudioInput::suspend()
+{
+ if (m_deviceState == QAudio::ActiveState) {
+ m_timer->stop();
+ m_deviceState = QAudio::SuspendedState;
+ emit stateChanged(m_deviceState);
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+
+ operation = pa_stream_cork(m_stream, 1, inputStreamSuccessCallback, 0);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ }
+}
+
+void QPulseAudioInput::userFeed()
+{
+ if (m_deviceState == QAudio::StoppedState || m_deviceState == QAudio::SuspendedState)
+ return;
+#ifdef DEBUG_PULSE
+// QTime now(QTime::currentTime());
+// qDebug()<< now.second() << "s " << now.msec() << "ms :userFeed() IN";
+#endif
+ deviceReady();
+}
+
+bool QPulseAudioInput::deviceReady()
+{
+ if (m_pullMode) {
+ // reads some audio data and writes it to QIODevice
+ read(0,0);
+ } else {
+ // emits readyRead() so user will call read() on QIODevice to get some audio data
+ if (m_audioSource != 0) {
+ InputPrivate *a = qobject_cast<InputPrivate*>(m_audioSource);
+ a->trigger();
+ }
+ }
+ m_bytesAvailable = checkBytesReady();
+
+ if (m_deviceState != QAudio::ActiveState)
+ return true;
+
+ if (m_intervalTime && (m_timeStamp.elapsed() + m_elapsedTimeOffset) > m_intervalTime) {
+ emit notify();
+ m_elapsedTimeOffset = m_timeStamp.elapsed() + m_elapsedTimeOffset - m_intervalTime;
+ m_timeStamp.restart();
+ }
+
+ return true;
+}
+
+qint64 QPulseAudioInput::elapsedUSecs() const
+{
+ if (m_deviceState == QAudio::StoppedState)
+ return 0;
+
+ return m_clockStamp.elapsed() * 1000;
+}
+
+void QPulseAudioInput::reset()
+{
+ stop();
+ m_bytesAvailable = 0;
+}
+
+InputPrivate::InputPrivate(QPulseAudioInput *audio)
+{
+ m_audioDevice = qobject_cast<QPulseAudioInput*>(audio);
+}
+
+qint64 InputPrivate::readData(char *data, qint64 len)
+{
+ return m_audioDevice->read(data, len);
+}
+
+qint64 InputPrivate::writeData(const char *data, qint64 len)
+{
+ Q_UNUSED(data)
+ Q_UNUSED(len)
+ return 0;
+}
+
+void InputPrivate::trigger()
+{
+ emit readyRead();
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qaudioinput_pulse.cpp"
diff --git a/src/plugins/pulseaudio/qaudioinput_pulse.h b/src/plugins/pulseaudio/qaudioinput_pulse.h
new file mode 100644
index 000000000..c186f91ab
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudioinput_pulse.h
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of other Qt classes. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef QAUDIOINPUTPULSE_H
+#define QAUDIOINPUTPULSE_H
+
+#include <QtCore/qfile.h>
+#include <QtCore/qtimer.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qdatetime.h>
+
+#include "qaudio.h"
+#include "qaudiodeviceinfo.h"
+#include "qaudiosystem.h"
+
+#include <pulse/pulseaudio.h>
+
+QT_BEGIN_NAMESPACE
+
+class InputPrivate;
+
+class QPulseAudioInput : public QAbstractAudioInput
+{
+ Q_OBJECT
+
+public:
+ QPulseAudioInput(const QByteArray &device);
+ ~QPulseAudioInput();
+
+ qint64 read(char *data, qint64 len);
+
+ void start(QIODevice *device);
+ QIODevice *start();
+ void stop();
+ void reset();
+ void suspend();
+ void resume();
+ int bytesReady() const;
+ int periodSize() const;
+ void setBufferSize(int value);
+ int bufferSize() const;
+ void setNotifyInterval(int milliSeconds);
+ int notifyInterval() const;
+ qint64 processedUSecs() const;
+ qint64 elapsedUSecs() const;
+ QAudio::Error error() const;
+ QAudio::State state() const;
+ void setFormat(const QAudioFormat &format);
+ QAudioFormat format() const;
+
+ qint64 m_totalTimeValue;
+ QIODevice *m_audioSource;
+ QAudioFormat m_format;
+ QAudio::Error m_errorState;
+ QAudio::State m_deviceState;
+
+private slots:
+ void userFeed();
+ bool deviceReady();
+
+private:
+ int checkBytesReady();
+ bool open();
+ void close();
+
+ bool m_pullMode;
+ bool m_opened;
+ int m_bytesAvailable;
+ int m_bufferSize;
+ int m_periodSize;
+ int m_intervalTime;
+ unsigned int m_bufferTime;
+ unsigned int m_periodTime;
+ QTimer *m_timer;
+ qint64 m_elapsedTimeOffset;
+ char *audioBuffer;
+ pa_stream *m_stream;
+ QTime m_timeStamp;
+ QTime m_clockStamp;
+ QByteArray m_streamName;
+ QByteArray m_device;
+ QByteArray m_tempBuffer;
+};
+
+class InputPrivate : public QIODevice
+{
+ Q_OBJECT
+public:
+ InputPrivate(QPulseAudioInput *audio);
+ ~InputPrivate() {};
+
+ qint64 readData(char *data, qint64 len);
+ qint64 writeData(const char *data, qint64 len);
+
+ void trigger();
+
+private:
+ QPulseAudioInput *m_audioDevice;
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/plugins/pulseaudio/qaudiooutput_pulse.cpp b/src/plugins/pulseaudio/qaudiooutput_pulse.cpp
new file mode 100644
index 000000000..8e5b3999c
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudiooutput_pulse.cpp
@@ -0,0 +1,573 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qdebug.h>
+
+#include "qaudiooutput_pulse.h"
+#include "qaudiodeviceinfo_pulse.h"
+#include "qpulseaudioengine.h"
+#include "qpulsehelpers.h"
+
+QT_BEGIN_NAMESPACE
+
+const int PeriodTimeMs = 20;
+
+static void outputStreamWriteCallback(pa_stream *stream, size_t length, void *userdata)
+{
+ Q_UNUSED(stream);
+ Q_UNUSED(length);
+ Q_UNUSED(userdata);
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+static void outputStreamStateCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(userdata)
+ pa_stream_state_t state = pa_stream_get_state(stream);
+#ifdef DEBUG_PULSE
+ qDebug() << "Stream state: " << QPulseAudioInternal::stateToQString(state);
+#endif
+ switch (state) {
+ case PA_STREAM_CREATING:
+ case PA_STREAM_READY:
+ case PA_STREAM_TERMINATED:
+ break;
+
+ case PA_STREAM_FAILED:
+ default:
+ qWarning() << QString("Stream error: %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(stream))));
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+ break;
+ }
+}
+
+static void outputStreamUnderflowCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(stream)
+ ((QPulseAudioOutput*)userdata)->streamUnderflowCallback();
+ qWarning() << "Got a buffer underflow!";
+}
+
+static void outputStreamOverflowCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(stream)
+ Q_UNUSED(userdata)
+ qWarning() << "Got a buffer overflow!";
+}
+
+static void outputStreamLatencyCallback(pa_stream *stream, void *userdata)
+{
+ Q_UNUSED(stream)
+ Q_UNUSED(userdata)
+
+#ifdef DEBUG_PULSE
+ const pa_timing_info *info = pa_stream_get_timing_info(stream);
+
+ qDebug() << "Write index corrupt: " << info->write_index_corrupt;
+ qDebug() << "Write index: " << info->write_index;
+ qDebug() << "Read index corrupt: " << info->read_index_corrupt;
+ qDebug() << "Read index: " << info->read_index;
+ qDebug() << "Sink usec: " << info->sink_usec;
+ qDebug() << "Configured sink usec: " << info->configured_sink_usec;
+#endif
+}
+
+static void outputStreamSuccessCallback(pa_stream *stream, int success, void *userdata)
+{
+ Q_UNUSED(stream);
+ Q_UNUSED(success);
+ Q_UNUSED(userdata);
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+static void outputStreamDrainComplete(pa_stream *stream, int success, void *userdata)
+{
+ Q_UNUSED(stream);
+ Q_UNUSED(success);
+ Q_UNUSED(userdata);
+
+#ifdef DEBUG_PULSE
+ qDebug() << "Draining completed successfully: " << (bool)success;
+#endif
+}
+
+QPulseAudioOutput::QPulseAudioOutput(const QByteArray &device)
+ : m_device(device)
+ , m_errorState(QAudio::NoError)
+ , m_deviceState(QAudio::StoppedState)
+ , m_pullMode(true)
+ , m_opened(false)
+ , m_audioSource(0)
+ , m_bytesAvailable(0)
+ , m_stream(0)
+ , m_notifyInterval(1000)
+ , m_periodSize(0)
+ , m_bufferSize(0)
+ , m_totalTimeValue(0)
+ , m_tickTimer(new QTimer(this))
+ , m_audioBuffer(0)
+ , m_resuming(false)
+{
+ connect(m_tickTimer, SIGNAL(timeout()), SLOT(userFeed()));
+}
+
+QPulseAudioOutput::~QPulseAudioOutput()
+{
+ close();
+ disconnect(m_tickTimer, SIGNAL(timeout()));
+ QCoreApplication::processEvents();
+}
+
+QAudio::Error QPulseAudioOutput::error() const
+{
+ return m_errorState;
+}
+
+QAudio::State QPulseAudioOutput::state() const
+{
+ return m_deviceState;
+}
+
+void QPulseAudioOutput::streamUnderflowCallback()
+{
+ if (m_deviceState != QAudio::IdleState && !m_resuming) {
+ m_errorState = QAudio::UnderrunError;
+ emit errorChanged(m_errorState);
+ m_deviceState = QAudio::IdleState;
+ emit stateChanged(m_deviceState);
+ }
+}
+
+void QPulseAudioOutput::start(QIODevice *device)
+{
+ if (m_deviceState != QAudio::StoppedState)
+ m_deviceState = QAudio::StoppedState;
+
+ m_errorState = QAudio::NoError;
+
+ // Handle change of mode
+ if (m_audioSource && !m_pullMode) {
+ delete m_audioSource;
+ m_audioSource = 0;
+ }
+
+ close();
+
+ m_pullMode = true;
+ m_audioSource = device;
+
+ m_deviceState = QAudio::ActiveState;
+
+ open();
+
+ emit stateChanged(m_deviceState);
+}
+
+QIODevice *QPulseAudioOutput::start()
+{
+ if (m_deviceState != QAudio::StoppedState)
+ m_deviceState = QAudio::StoppedState;
+
+ m_errorState = QAudio::NoError;
+
+ // Handle change of mode
+ if (m_audioSource && !m_pullMode) {
+ delete m_audioSource;
+ m_audioSource = 0;
+ }
+
+ close();
+
+ m_audioSource = new OutputPrivate(this);
+ m_audioSource->open(QIODevice::WriteOnly|QIODevice::Unbuffered);
+ m_pullMode = false;
+
+ m_deviceState = QAudio::IdleState;
+
+ open();
+
+ emit stateChanged(m_deviceState);
+
+ return m_audioSource;
+}
+
+bool QPulseAudioOutput::open()
+{
+ if (m_opened)
+ return false;
+
+ pa_sample_spec spec = QPulseAudioInternal::audioFormatToSampleSpec(m_format);
+
+ if (!pa_sample_spec_valid(&spec)) {
+ m_errorState = QAudio::OpenError;
+ m_deviceState = QAudio::StoppedState;
+ return false;
+ }
+
+ m_totalTimeValue = 0;
+ m_elapsedTimeOffset = 0;
+ m_timeStamp.restart();
+
+ if (m_streamName.isNull())
+ m_streamName = QString(QLatin1String("QtmPulseStream-%1-%2")).arg(::getpid()).arg(quintptr(this)).toUtf8();
+
+#ifdef DEBUG_PULSE
+ qDebug() << "Format: " << QPulseAudioInternal::sampleFormatToQString(spec.format);
+ qDebug() << "Rate: " << spec.rate;
+ qDebug() << "Channels: " << spec.channels;
+ qDebug() << "Frame size: " << pa_frame_size(&spec);
+#endif
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+ m_stream = pa_stream_new(pulseEngine->context(), m_streamName.constData(), &spec, 0);
+
+ pa_stream_set_state_callback(m_stream, outputStreamStateCallback, this);
+ pa_stream_set_write_callback(m_stream, outputStreamWriteCallback, this);
+
+ pa_stream_set_underflow_callback(m_stream, outputStreamUnderflowCallback, this);
+ pa_stream_set_overflow_callback(m_stream, outputStreamOverflowCallback, this);
+ pa_stream_set_latency_update_callback(m_stream, outputStreamLatencyCallback, this);
+
+ if (pa_stream_connect_playback(m_stream, m_device.data(), NULL, (pa_stream_flags_t)0, NULL, NULL) < 0) {
+ qWarning() << "pa_stream_connect_playback() failed!";
+ return false;
+ }
+
+ while (pa_stream_get_state(m_stream) != PA_STREAM_READY) {
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+ }
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+#ifdef DEBUG_PULSE
+ const pa_buffer_attr *buffer = pa_stream_get_buffer_attr(m_stream);
+
+ qDebug() << "Buffering info:";
+ qDebug() << "\tMax length: " << buffer->maxlength;
+ qDebug() << "\tTarget length: " << buffer->tlength;
+ qDebug() << "\tPre-buffering: " << buffer->prebuf;
+ qDebug() << "\tMinimum request: " << buffer->minreq;
+ qDebug() << "\tFragment size: " << buffer->fragsize;
+#endif
+
+ m_periodSize = pa_usec_to_bytes(PeriodTimeMs*1000, &spec);
+ m_opened = true;
+ m_tickTimer->start(PeriodTimeMs);
+
+ m_elapsedTimeOffset = 0;
+ m_timeStamp.restart();
+ m_clockStamp.restart();
+
+ return true;
+}
+
+void QPulseAudioOutput::userFeed()
+{
+ if (m_deviceState == QAudio::StoppedState || m_deviceState == QAudio::SuspendedState)
+ return;
+
+ if (m_deviceState == QAudio::IdleState)
+ m_bytesAvailable = bytesFree();
+
+ deviceReady();
+}
+
+void QPulseAudioOutput::close()
+{
+ m_tickTimer->stop();
+
+ if (m_stream) {
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+ pa_operation *o;
+
+ pa_stream_set_write_callback(m_stream, NULL, NULL);
+
+ if (!(o = pa_stream_drain(m_stream, outputStreamDrainComplete, NULL))) {
+ qWarning() << QString("pa_stream_drain(): %1").arg(pa_strerror(pa_context_errno(pa_stream_get_context(m_stream))));
+ return;
+ }
+ pa_operation_unref(o);
+
+ pa_stream_disconnect(m_stream);
+ pa_stream_unref(m_stream);
+ m_stream = NULL;
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ }
+
+ if (!m_pullMode && m_audioSource) {
+ delete m_audioSource;
+ m_audioSource = 0;
+ }
+ m_opened = false;
+}
+
+bool QPulseAudioOutput::deviceReady()
+{
+ m_resuming = false;
+
+ if (m_pullMode) {
+ int l = 0;
+ int chunks = m_bytesAvailable/m_periodSize;
+ if (chunks==0) {
+ m_bytesAvailable = bytesFree();
+ return false;
+ }
+
+ char buffer[m_periodSize];
+
+ l = m_audioSource->read(buffer, m_periodSize);
+ if (l > 0) {
+ if (m_deviceState != QAudio::ActiveState)
+ return true;
+
+ qint64 bytesWritten = write(buffer, l);
+ Q_UNUSED(bytesWritten);
+ }
+ }
+
+ if (m_deviceState != QAudio::ActiveState)
+ return true;
+
+ if (m_notifyInterval && (m_timeStamp.elapsed() + m_elapsedTimeOffset) > m_notifyInterval) {
+ emit notify();
+ m_elapsedTimeOffset = m_timeStamp.elapsed() + m_elapsedTimeOffset - m_notifyInterval;
+ m_timeStamp.restart();
+ }
+
+ return true;
+}
+
+qint64 QPulseAudioOutput::write(const char *data, qint64 len)
+{
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+ len = qMin(len, static_cast<qint64>(pa_stream_writable_size(m_stream)));
+ pa_stream_write(m_stream, data, len, 0, 0, PA_SEEK_RELATIVE);
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ m_totalTimeValue += len;
+
+ m_errorState = QAudio::NoError;
+ if (m_deviceState != QAudio::ActiveState) {
+ m_deviceState = QAudio::ActiveState;
+ emit stateChanged(m_deviceState);
+ }
+
+ return len;
+}
+
+void QPulseAudioOutput::stop()
+{
+ if (m_deviceState == QAudio::StoppedState)
+ return;
+
+ m_errorState = QAudio::NoError;
+ m_deviceState = QAudio::StoppedState;
+ close();
+ emit stateChanged(m_deviceState);
+}
+
+int QPulseAudioOutput::bytesFree() const
+{
+ if (m_deviceState != QAudio::ActiveState && m_deviceState != QAudio::IdleState)
+ return 0;
+
+ return pa_stream_writable_size(m_stream);
+}
+
+int QPulseAudioOutput::periodSize() const
+{
+ return m_periodSize;
+}
+
+void QPulseAudioOutput::setBufferSize(int value)
+{
+ m_bufferSize = value;
+}
+
+int QPulseAudioOutput::bufferSize() const
+{
+ return m_bufferSize;
+}
+
+void QPulseAudioOutput::setNotifyInterval(int ms)
+{
+ m_notifyInterval = qMax(0, ms);
+}
+
+int QPulseAudioOutput::notifyInterval() const
+{
+ return m_notifyInterval;
+}
+
+qint64 QPulseAudioOutput::processedUSecs() const
+{
+ qint64 result = qint64(1000000) * m_totalTimeValue /
+ (m_format.channels() * (m_format.sampleSize() / 8)) /
+ m_format.frequency();
+
+ return result;
+}
+
+void QPulseAudioOutput::resume()
+{
+ if (m_deviceState == QAudio::SuspendedState) {
+ m_resuming = true;
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+
+ pa_operation *operation = pa_stream_cork(m_stream, 0, outputStreamSuccessCallback, NULL);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+
+ pa_operation_unref(operation);
+
+ operation = pa_stream_trigger(m_stream, outputStreamSuccessCallback, NULL);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+
+ m_deviceState = QAudio::ActiveState;
+
+ m_errorState = QAudio::NoError;
+ m_tickTimer->start(PeriodTimeMs);
+
+ emit stateChanged(m_deviceState);
+ }
+}
+
+void QPulseAudioOutput::setFormat(const QAudioFormat &format)
+{
+ m_format = format;
+}
+
+QAudioFormat QPulseAudioOutput::format() const
+{
+ return m_format;
+}
+
+void QPulseAudioOutput::suspend()
+{
+ if (m_deviceState == QAudio::ActiveState || m_deviceState == QAudio::IdleState) {
+ m_tickTimer->stop();
+ m_deviceState = QAudio::SuspendedState;
+ m_errorState = QAudio::NoError;
+ emit stateChanged(m_deviceState);
+
+ QPulseAudioEngine *pulseEngine = QPulseAudioEngine::instance();
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(pulseEngine->mainloop());
+
+ operation = pa_stream_cork(m_stream, 1, outputStreamSuccessCallback, NULL);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(pulseEngine->mainloop());
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(pulseEngine->mainloop());
+ }
+}
+
+qint64 QPulseAudioOutput::elapsedUSecs() const
+{
+ if (m_deviceState == QAudio::StoppedState)
+ return 0;
+
+ return m_clockStamp.elapsed() * 1000;
+}
+
+void QPulseAudioOutput::reset()
+{
+ stop();
+}
+
+OutputPrivate::OutputPrivate(QPulseAudioOutput *audio)
+{
+ m_audioDevice = qobject_cast<QPulseAudioOutput*>(audio);
+}
+
+qint64 OutputPrivate::readData(char *data, qint64 len)
+{
+ Q_UNUSED(data)
+ Q_UNUSED(len)
+
+ return 0;
+}
+
+qint64 OutputPrivate::writeData(const char *data, qint64 len)
+{
+ int retry = 0;
+ qint64 written = 0;
+
+ if ((m_audioDevice->m_deviceState == QAudio::ActiveState)
+ ||(m_audioDevice->m_deviceState == QAudio::IdleState)) {
+ while(written < len) {
+ int chunk = m_audioDevice->write(data+written, (len-written));
+ if (chunk <= 0)
+ retry++;
+ written+=chunk;
+ if (retry > 10)
+ return written;
+ }
+ }
+
+ return written;
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qaudiooutput_pulse.cpp"
diff --git a/src/plugins/pulseaudio/qaudiooutput_pulse.h b/src/plugins/pulseaudio/qaudiooutput_pulse.h
new file mode 100644
index 000000000..064754dbc
--- /dev/null
+++ b/src/plugins/pulseaudio/qaudiooutput_pulse.h
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QAUDIOOUTPUTPULSE_H
+#define QAUDIOOUTPUTPULSE_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qfile.h>
+#include <QtCore/qtimer.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qdatetime.h>
+
+#include "qaudio.h"
+#include "qaudiodeviceinfo.h"
+#include "qaudiosystem.h"
+
+#include <pulse/pulseaudio.h>
+
+QT_BEGIN_NAMESPACE
+
+class QPulseAudioOutput : public QAbstractAudioOutput
+{
+ friend class OutputPrivate;
+ Q_OBJECT
+
+public:
+ QPulseAudioOutput(const QByteArray &device);
+ ~QPulseAudioOutput();
+
+ void start(QIODevice *device);
+ QIODevice *start();
+ void stop();
+ void reset();
+ void suspend();
+ void resume();
+ int bytesFree() const;
+ int periodSize() const;
+ void setBufferSize(int value);
+ int bufferSize() const;
+ void setNotifyInterval(int milliSeconds);
+ int notifyInterval() const;
+ qint64 processedUSecs() const;
+ qint64 elapsedUSecs() const;
+ QAudio::Error error() const;
+ QAudio::State state() const;
+ void setFormat(const QAudioFormat &format);
+ QAudioFormat format() const;
+
+public:
+ void streamUnderflowCallback();
+
+private:
+ bool open();
+ void close();
+ qint64 write(const char *data, qint64 len);
+
+private Q_SLOTS:
+ bool deviceReady();
+ void userFeed();
+
+private:
+ QByteArray m_device;
+ QByteArray m_streamName;
+ QAudioFormat m_format;
+ QAudio::Error m_errorState;
+ QAudio::State m_deviceState;
+ bool m_pullMode;
+ bool m_opened;
+ QIODevice *m_audioSource;
+ int m_bytesAvailable;
+ QTimer m_periodTimer;
+ pa_stream *m_stream;
+ int m_notifyInterval;
+ int m_periodSize;
+ int m_bufferSize;
+ QTime m_clockStamp;
+ qint64 m_totalTimeValue;
+ QTimer *m_tickTimer;
+ char *m_audioBuffer;
+ QTime m_timeStamp;
+ qint64 m_elapsedTimeOffset;
+ bool m_resuming;
+};
+
+class OutputPrivate : public QIODevice
+{
+ friend class QPulseAudioOutput;
+ Q_OBJECT
+
+public:
+ OutputPrivate(QPulseAudioOutput *audio);
+ virtual ~OutputPrivate() {}
+
+protected:
+ qint64 readData(char *data, qint64 len);
+ qint64 writeData(const char *data, qint64 len);
+
+private:
+ QPulseAudioOutput *m_audioDevice;
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/plugins/pulseaudio/qpulseaudioengine.cpp b/src/plugins/pulseaudio/qpulseaudioengine.cpp
new file mode 100644
index 000000000..da0963fa9
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulseaudioengine.cpp
@@ -0,0 +1,354 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qdebug.h>
+
+#include <qaudiodeviceinfo.h>
+#include "qpulseaudioengine.h"
+#include "qaudiodeviceinfo_pulse.h"
+#include "qaudiooutput_pulse.h"
+#include "qpulsehelpers.h"
+
+QT_BEGIN_NAMESPACE
+
+static void serverInfoCallback(pa_context *context, const pa_server_info *info, void *userdata)
+{
+ if (!info) {
+ qWarning() << QString("Failed to get server information: %s").arg(pa_strerror(pa_context_errno(context)));
+ return;
+ }
+
+#ifdef DEBUG_PULSE
+ char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
+
+ pa_sample_spec_snprint(ss, sizeof(ss), &info->sample_spec);
+ pa_channel_map_snprint(cm, sizeof(cm), &info->channel_map);
+
+ qDebug() << QString("User name: %1\n"
+ "Host Name: %2\n"
+ "Server Name: %3\n"
+ "Server Version: %4\n"
+ "Default Sample Specification: %5\n"
+ "Default Channel Map: %6\n"
+ "Default Sink: %7\n"
+ "Default Source: %8\n").arg(
+ info->user_name,
+ info->host_name,
+ info->server_name,
+ info->server_version,
+ ss,
+ cm,
+ info->default_sink_name,
+ info->default_source_name);
+#endif
+
+ QPulseAudioEngine *pulseEngine = static_cast<QPulseAudioEngine*>(userdata);
+ pulseEngine->m_defaultSink = info->default_sink_name;
+ pulseEngine->m_defaultSource = info->default_source_name;
+
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+static void sinkInfoCallback(pa_context *context, const pa_sink_info *info, int isLast, void *userdata)
+{
+ QPulseAudioEngine *pulseEngine = static_cast<QPulseAudioEngine*>(userdata);
+ QMap<pa_sink_state, QString> stateMap;
+ stateMap[PA_SINK_INVALID_STATE] = "n/a";
+ stateMap[PA_SINK_RUNNING] = "RUNNING";
+ stateMap[PA_SINK_IDLE] = "IDLE";
+ stateMap[PA_SINK_SUSPENDED] = "SUSPENDED";
+
+ if (isLast < 0) {
+ qWarning() << QString("Failed to get sink information: %s").arg(pa_strerror(pa_context_errno(context)));
+ return;
+ }
+
+ if (isLast) {
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+ return;
+ }
+
+ Q_ASSERT(info);
+
+#ifdef DEBUG_PULSE
+ qDebug() << QString("Sink #%1\n"
+ "\tState: %2\n"
+ "\tName: %3\n"
+ "\tDescription: %4\n"
+ ).arg(QString::number(info->index),
+ stateMap.value(info->state),
+ info->name,
+ info->description);
+#endif
+
+ QAudioFormat format = QPulseAudioInternal::sampleSpecToAudioFormat(info->sample_spec);
+ pulseEngine->m_preferredFormats.insert(info->name, format);
+ pulseEngine->m_sinks.append(info->name);
+}
+
+static void sourceInfoCallback(pa_context *context, const pa_source_info *info, int isLast, void *userdata)
+{
+ Q_UNUSED(context)
+ QPulseAudioEngine *pulseEngine = static_cast<QPulseAudioEngine*>(userdata);
+
+ QMap<pa_source_state, QString> stateMap;
+ stateMap[PA_SOURCE_INVALID_STATE] = "n/a";
+ stateMap[PA_SOURCE_RUNNING] = "RUNNING";
+ stateMap[PA_SOURCE_IDLE] = "IDLE";
+ stateMap[PA_SOURCE_SUSPENDED] = "SUSPENDED";
+
+ if (isLast) {
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+ return;
+ }
+
+ Q_ASSERT(info);
+
+#ifdef DEBUG_PULSE
+ qDebug() << QString("Source #%1\n"
+ "\tState: %2\n"
+ "\tName: %3\n"
+ "\tDescription: %4\n"
+ ).arg(QString::number(info->index),
+ stateMap.value(info->state),
+ info->name,
+ info->description);
+#endif
+
+ QAudioFormat format = QPulseAudioInternal::sampleSpecToAudioFormat(info->sample_spec);
+ pulseEngine->m_preferredFormats.insert(info->name, format);
+ pulseEngine->m_sources.append(info->name);
+}
+
+static void contextStateCallbackInit(pa_context *context, void *userdata)
+{
+ Q_UNUSED(context);
+#ifdef DEBUG_PULSE
+ qDebug() << QPulseAudioInternal::stateToQString(pa_context_get_state(context));
+#endif
+ QPulseAudioEngine *pulseEngine = reinterpret_cast<QPulseAudioEngine*>(userdata);
+ pa_threaded_mainloop_signal(pulseEngine->mainloop(), 0);
+}
+
+static void contextStateCallback(pa_context *context, void *userdata)
+{
+ Q_UNUSED(userdata);
+ Q_UNUSED(context);
+
+#ifdef DEBUG_PULSE
+ pa_context_state_t state = pa_context_get_state(context);
+ qDebug() << QPulseAudioInternal::stateToQString(state);
+#endif
+}
+
+Q_GLOBAL_STATIC(QPulseAudioEngine, pulseEngine);
+
+QPulseAudioEngine::QPulseAudioEngine(QObject *parent)
+ : QObject(parent)
+{
+ bool keepGoing = true;
+ bool ok = true;
+
+ m_mainLoop = pa_threaded_mainloop_new();
+ if (m_mainLoop == 0) {
+ qWarning("Unable to create pulseaudio mainloop");
+ return;
+ }
+
+ if (pa_threaded_mainloop_start(m_mainLoop) != 0) {
+ qWarning("Unable to start pulseaudio mainloop");
+ pa_threaded_mainloop_free(m_mainLoop);
+ return;
+ }
+
+ m_mainLoopApi = pa_threaded_mainloop_get_api(m_mainLoop);
+
+ pa_threaded_mainloop_lock(m_mainLoop);
+
+ m_context = pa_context_new(m_mainLoopApi, QString(QLatin1String("QtmPulseContext:%1")).arg(::getpid()).toAscii().constData());
+ pa_context_set_state_callback(m_context, contextStateCallbackInit, this);
+
+ if (!m_context) {
+ qWarning("Unable to create new pulseaudio context");
+ pa_threaded_mainloop_free(m_mainLoop);
+ return;
+ }
+
+ if (pa_context_connect(m_context, NULL, (pa_context_flags_t)0, NULL) < 0) {
+ qWarning("Unable to create a connection to the pulseaudio context");
+ pa_context_unref(m_context);
+ pa_threaded_mainloop_free(m_mainLoop);
+ return;
+ }
+
+ pa_threaded_mainloop_wait(m_mainLoop);
+
+ while (keepGoing) {
+ switch (pa_context_get_state(m_context)) {
+ case PA_CONTEXT_CONNECTING:
+ case PA_CONTEXT_AUTHORIZING:
+ case PA_CONTEXT_SETTING_NAME:
+ break;
+
+ case PA_CONTEXT_READY:
+#ifdef DEBUG_PULSE
+ qDebug("Connection established.");
+#endif
+ keepGoing = false;
+ break;
+
+ case PA_CONTEXT_TERMINATED:
+ qCritical("Context terminated.");
+ keepGoing = false;
+ ok = false;
+ break;
+
+ case PA_CONTEXT_FAILED:
+ default:
+ qCritical() << QString("Connection failure: %1").arg(pa_strerror(pa_context_errno(m_context)));
+ keepGoing = false;
+ ok = false;
+ }
+
+ if (keepGoing) {
+ pa_threaded_mainloop_wait(m_mainLoop);
+ }
+ }
+
+ if (ok) {
+ pa_context_set_state_callback(m_context, contextStateCallback, this);
+ } else {
+ if (m_context) {
+ pa_context_unref(m_context);
+ m_context = 0;
+ }
+ }
+
+ pa_threaded_mainloop_unlock(m_mainLoop);
+
+ serverInfo();
+ sinks();
+ sources();
+}
+
+QPulseAudioEngine::~QPulseAudioEngine()
+{
+ if (m_context) {
+ pa_threaded_mainloop_lock(m_mainLoop);
+ pa_context_disconnect(m_context);
+ pa_threaded_mainloop_unlock(m_mainLoop);
+ m_context = 0;
+ }
+
+ if (m_mainLoop) {
+ pa_threaded_mainloop_stop(m_mainLoop);
+ pa_threaded_mainloop_free(m_mainLoop);
+ m_mainLoop = 0;
+ }
+}
+
+void QPulseAudioEngine::serverInfo()
+{
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(m_mainLoop);
+
+ operation = pa_context_get_server_info(m_context, serverInfoCallback, this);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(m_mainLoop);
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(m_mainLoop);
+}
+
+void QPulseAudioEngine::sinks()
+{
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(m_mainLoop);
+
+ operation = pa_context_get_sink_info_list(m_context, sinkInfoCallback, this);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(m_mainLoop);
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(m_mainLoop);
+
+ // Swap the default sink to index 0
+ m_sinks.removeOne(m_defaultSink);
+ m_sinks.prepend(m_defaultSink);
+}
+
+void QPulseAudioEngine::sources()
+{
+ pa_operation *operation;
+
+ pa_threaded_mainloop_lock(m_mainLoop);
+
+ operation = pa_context_get_source_info_list(m_context, sourceInfoCallback, this);
+
+ while (pa_operation_get_state(operation) == PA_OPERATION_RUNNING)
+ pa_threaded_mainloop_wait(m_mainLoop);
+
+ pa_operation_unref(operation);
+
+ pa_threaded_mainloop_unlock(m_mainLoop);
+
+ // Swap the default source to index 0
+ m_sources.removeOne(m_defaultSource);
+ m_sources.prepend(m_defaultSource);
+}
+
+QPulseAudioEngine *QPulseAudioEngine::instance()
+{
+ return pulseEngine();
+}
+
+QList<QByteArray> QPulseAudioEngine::availableDevices(QAudio::Mode mode) const
+{
+ return mode == QAudio::AudioOutput ? m_sinks : m_sources;
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/pulseaudio/qpulseaudioengine.h b/src/plugins/pulseaudio/qpulseaudioengine.h
new file mode 100644
index 000000000..3519be79d
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulseaudioengine.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPULSEAUDIOENGINE_H
+#define QPULSEAUDIOENGINE_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qmap.h>
+#include <QtCore/qbytearray.h>
+#include <qaudiosystemplugin.h>
+#include <pulse/pulseaudio.h>
+#include "qpulsehelpers.h"
+#include <qaudioformat.h>
+
+QT_BEGIN_NAMESPACE
+
+class QPulseAudioEngine : public QObject
+{
+ Q_OBJECT
+
+public:
+ QPulseAudioEngine(QObject *parent = 0);
+ ~QPulseAudioEngine();
+
+ static QPulseAudioEngine *instance();
+ pa_threaded_mainloop *mainloop() { return m_mainLoop; }
+ pa_context *context() { return m_context; }
+
+ QList<QByteArray> availableDevices(QAudio::Mode mode) const;
+
+private:
+ void serverInfo();
+ void sinks();
+ void sources();
+
+public:
+ QList<QByteArray> m_sinks;
+ QList<QByteArray> m_sources;
+ QMap<QByteArray, QAudioFormat> m_preferredFormats;
+
+ QByteArray m_defaultSink;
+ QByteArray m_defaultSource;
+
+private:
+ pa_mainloop_api *m_mainLoopApi;
+ pa_threaded_mainloop *m_mainLoop;
+ pa_context *m_context;
+ };
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/plugins/pulseaudio/qpulseaudioplugin.cpp b/src/plugins/pulseaudio/qpulseaudioplugin.cpp
new file mode 100644
index 000000000..99ff09211
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulseaudioplugin.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qaudiodeviceinfo.h>
+
+#include "qpulseaudioplugin.h"
+#include "qaudiodeviceinfo_pulse.h"
+#include "qaudiooutput_pulse.h"
+#include "qaudioinput_pulse.h"
+#include "qpulseaudioengine.h"
+
+QT_BEGIN_NAMESPACE
+
+QPulseAudioPlugin::QPulseAudioPlugin(QObject *parent)
+ : QAudioSystemPlugin(parent)
+ , m_pulseEngine(QPulseAudioEngine::instance())
+{
+}
+
+QStringList QPulseAudioPlugin::keys() const
+{
+ return QStringList() << "default";
+}
+
+QList<QByteArray> QPulseAudioPlugin::availableDevices(QAudio::Mode mode) const
+{
+ return m_pulseEngine->availableDevices(mode);
+}
+
+QAbstractAudioInput *QPulseAudioPlugin::createInput(const QByteArray &device)
+{
+ QPulseAudioInput *input = new QPulseAudioInput(device);
+ return input;
+}
+
+QAbstractAudioOutput *QPulseAudioPlugin::createOutput(const QByteArray &device)
+{
+
+ QPulseAudioOutput *output = new QPulseAudioOutput(device);
+ return output;
+}
+
+QAbstractAudioDeviceInfo *QPulseAudioPlugin::createDeviceInfo(const QByteArray &device, QAudio::Mode mode)
+{
+ QPulseAudioDeviceInfo *deviceInfo = new QPulseAudioDeviceInfo(device, mode);
+ return deviceInfo;
+}
+
+Q_EXPORT_PLUGIN2(qtmedia_pulse, QPulseAudioPlugin);
+
+QT_END_NAMESPACE
diff --git a/src/plugins/pulseaudio/qpulseaudioplugin.h b/src/plugins/pulseaudio/qpulseaudioplugin.h
new file mode 100644
index 000000000..e90270e0c
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulseaudioplugin.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPULSEAUDIOPLUGIN_H
+#define QPULSEAUDIOPLUGIN_H
+
+#include <qaudiosystemplugin.h>
+
+QT_BEGIN_NAMESPACE
+
+class QPulseAudioEngine;
+
+class QPulseAudioPlugin : public QAudioSystemPlugin
+{
+ Q_OBJECT
+
+public:
+ QPulseAudioPlugin(QObject *parent = 0);
+ ~QPulseAudioPlugin() {}
+
+ QStringList keys() const;
+ QList<QByteArray> availableDevices(QAudio::Mode mode) const;
+ QAbstractAudioInput *createInput(const QByteArray &device);
+ QAbstractAudioOutput *createOutput(const QByteArray &device);
+ QAbstractAudioDeviceInfo *createDeviceInfo(const QByteArray &device, QAudio::Mode mode);
+
+private:
+ QPulseAudioEngine *m_pulseEngine;
+};
+
+QT_BEGIN_NAMESPACE
+
+#endif
diff --git a/src/plugins/pulseaudio/qpulsehelpers.cpp b/src/plugins/pulseaudio/qpulsehelpers.cpp
new file mode 100644
index 000000000..57e50758f
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulsehelpers.cpp
@@ -0,0 +1,220 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpulsehelpers.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QPulseAudioInternal
+{
+pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format)
+{
+ pa_sample_spec spec;
+
+ spec.rate = format.frequency();
+ spec.channels = format.channels();
+
+ if (format.sampleSize() == 8) {
+ spec.format = PA_SAMPLE_U8;
+ } else if (format.sampleSize() == 16) {
+ switch (format.byteOrder()) {
+ case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S16BE; break;
+ case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S16LE; break;
+ }
+ } else if (format.sampleSize() == 24) {
+ switch (format.byteOrder()) {
+ case QAudioFormat::BigEndian: spec.format = PA_SAMPLE_S24BE; break;
+ case QAudioFormat::LittleEndian: spec.format = PA_SAMPLE_S24LE; break;
+ }
+ } else if (format.sampleSize() == 32) {
+ switch (format.byteOrder()) {
+ case QAudioFormat::BigEndian:
+ format.sampleType() == QAudioFormat::Float ? spec.format = PA_SAMPLE_FLOAT32BE : spec.format = PA_SAMPLE_S32BE;
+ break;
+ case QAudioFormat::LittleEndian:
+ format.sampleType() == QAudioFormat::Float ? spec.format = PA_SAMPLE_FLOAT32LE : spec.format = PA_SAMPLE_S32LE;
+ break;
+ }
+ } else {
+ spec.format = PA_SAMPLE_INVALID;
+ }
+
+ return spec;
+}
+
+#ifdef DEBUG_PULSE
+QString stateToQString(pa_stream_state_t state)
+{
+ switch (state)
+ {
+ case PA_STREAM_UNCONNECTED: return "Unconnected";
+ case PA_STREAM_CREATING: return "Creating";
+ case PA_STREAM_READY: return "Ready";
+ case PA_STREAM_FAILED: return "Failed";
+ case PA_STREAM_TERMINATED: return "Terminated";
+ }
+
+ return QString("Unknown state: %0").arg(state);
+}
+
+QString sampleFormatToQString(pa_sample_format format)
+{
+ switch (format)
+ {
+ case PA_SAMPLE_U8: return "Unsigned 8 Bit PCM.";
+ case PA_SAMPLE_ALAW: return "8 Bit a-Law ";
+ case PA_SAMPLE_ULAW: return "8 Bit mu-Law";
+ case PA_SAMPLE_S16LE: return "Signed 16 Bit PCM, little endian (PC).";
+ case PA_SAMPLE_S16BE: return "Signed 16 Bit PCM, big endian.";
+ case PA_SAMPLE_FLOAT32LE: return "32 Bit IEEE floating point, little endian (PC), range -1.0 to 1.0";
+ case PA_SAMPLE_FLOAT32BE: return "32 Bit IEEE floating point, big endian, range -1.0 to 1.0";
+ case PA_SAMPLE_S32LE: return "Signed 32 Bit PCM, little endian (PC).";
+ case PA_SAMPLE_S32BE: return "Signed 32 Bit PCM, big endian.";
+ case PA_SAMPLE_S24LE: return "Signed 24 Bit PCM packed, little endian (PC).";
+ case PA_SAMPLE_S24BE: return "Signed 24 Bit PCM packed, big endian.";
+ case PA_SAMPLE_S24_32LE: return "Signed 24 Bit PCM in LSB of 32 Bit words, little endian (PC).";
+ case PA_SAMPLE_S24_32BE: return "Signed 24 Bit PCM in LSB of 32 Bit words, big endian.";
+ case PA_SAMPLE_MAX: return "Upper limit of valid sample types.";
+ case PA_SAMPLE_INVALID: return "Invalid sample format";
+ }
+
+ return QString("Invalid value: %0").arg(format);
+}
+
+QString stateToQString(pa_context_state_t state)
+{
+ switch (state)
+ {
+ case PA_CONTEXT_UNCONNECTED: return "Unconnected";
+ case PA_CONTEXT_CONNECTING: return "Connecting";
+ case PA_CONTEXT_AUTHORIZING: return "Authorizing";
+ case PA_CONTEXT_SETTING_NAME: return "Setting Name";
+ case PA_CONTEXT_READY: return "Ready";
+ case PA_CONTEXT_FAILED: return "Failed";
+ case PA_CONTEXT_TERMINATED: return "Terminated";
+ }
+
+ return QString("Unknown state: %0").arg(state);
+}
+#endif
+
+QAudioFormat sampleSpecToAudioFormat(pa_sample_spec spec)
+{
+ QAudioFormat format;
+ format.setFrequency(spec.rate);
+ format.setChannelCount(spec.channels);
+ format.setCodec("audio/pcm");
+
+ switch (spec.format) {
+ case PA_SAMPLE_U8:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::UnSignedInt);
+ format.setSampleSize(8);
+ break;
+ case PA_SAMPLE_ALAW:
+ // TODO:
+ break;
+ case PA_SAMPLE_ULAW:
+ // TODO:
+ break;
+ case PA_SAMPLE_S16LE:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(16);
+ break;
+ case PA_SAMPLE_S16BE:
+ format.setByteOrder(QAudioFormat::BigEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(16);
+ break;
+ case PA_SAMPLE_FLOAT32LE:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::Float);
+ format.setSampleSize(32);
+ break;
+ case PA_SAMPLE_FLOAT32BE:
+ format.setByteOrder(QAudioFormat::BigEndian);
+ format.setSampleType(QAudioFormat::Float);
+ format.setSampleSize(32);
+ break;
+ case PA_SAMPLE_S32LE:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(32);
+ break;
+ case PA_SAMPLE_S32BE:
+ format.setByteOrder(QAudioFormat::BigEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(32);
+ break;
+ case PA_SAMPLE_S24LE:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(24);
+ break;
+ case PA_SAMPLE_S24BE:
+ format.setByteOrder(QAudioFormat::BigEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(24);
+ break;
+ case PA_SAMPLE_S24_32LE:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(24);
+ break;
+ case PA_SAMPLE_S24_32BE:
+ format.setByteOrder(QAudioFormat::BigEndian);
+ format.setSampleType(QAudioFormat::SignedInt);
+ format.setSampleSize(24);
+ break;
+ case PA_SAMPLE_MAX:
+ case PA_SAMPLE_INVALID:
+ default:
+ format.setByteOrder(QAudioFormat::LittleEndian);
+ format.setSampleType(QAudioFormat::Unknown);
+ format.setSampleSize(0);
+ }
+
+ return format;
+}
+}
+
+QT_END_NAMESPACE
diff --git a/src/plugins/pulseaudio/qpulsehelpers.h b/src/plugins/pulseaudio/qpulsehelpers.h
new file mode 100644
index 000000000..255f0cf90
--- /dev/null
+++ b/src/plugins/pulseaudio/qpulsehelpers.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPULSEHELPER_H
+#define QPULSEHELPER_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qaudiodeviceinfo.h"
+#include <qaudioformat.h>
+#include <pulse/pulseaudio.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QPulseAudioInternal
+{
+pa_sample_spec audioFormatToSampleSpec(const QAudioFormat &format);
+QString stateToQString(pa_stream_state_t state);
+QString stateToQString(pa_context_state_t state);
+QString sampleFormatToQString(pa_sample_format format);
+QAudioFormat sampleSpecToAudioFormat(pa_sample_spec spec);
+}
+
+QT_END_NAMESPACE
+
+#endif