--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnxaudioinput.h"
+
+#include "qnxaudioutils.h"
+
+#include <private/qaudiohelpers_p.h>
+
+#include <QDebug>
+
+QT_BEGIN_NAMESPACE
+
+QnxAudioInput::QnxAudioInput()
+ : m_audioSource(0)
+ , m_pcmHandle(0)
+ , m_pcmNotifier(0)
+ , m_error(QAudio::NoError)
+ , m_state(QAudio::StoppedState)
+ , m_bytesRead(0)
+ , m_elapsedTimeOffset(0)
+ , m_totalTimeValue(0)
+ , m_volume(qreal(1.0f))
+ , m_bytesAvailable(0)
+ , m_bufferSize(0)
+ , m_periodSize(0)
+ , m_intervalTime(1000)
+ , m_pullMode(true)
+{
+}
+
+QnxAudioInput::~QnxAudioInput()
+{
+ close();
+}
+
+void QnxAudioInput::start(QIODevice *device)
+{
+ if (m_state != QAudio::StoppedState)
+ close();
+
+ if (!m_pullMode && m_audioSource)
+ delete m_audioSource;
+
+ m_pullMode = true;
+ m_audioSource = device;
+
+ if (open()) {
+ setError(QAudio::NoError);
+ setState(QAudio::ActiveState);
+ } else {
+ setError(QAudio::OpenError);
+ setState(QAudio::StoppedState);
+ }
+}
+
+QIODevice *QnxAudioInput::start()
+{
+ if (m_state != 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);
+
+ if (open()) {
+ setError(QAudio::NoError);
+ setState(QAudio::IdleState);
+ } else {
+ delete m_audioSource;
+ m_audioSource = 0;
+
+ setError(QAudio::OpenError);
+ setState(QAudio::StoppedState);
+ }
+
+ return m_audioSource;
+}
+
+void QnxAudioInput::stop()
+{
+ if (m_state == QAudio::StoppedState)
+ return;
+
+ setError(QAudio::NoError);
+ setState(QAudio::StoppedState);
+ close();
+}
+
+void QnxAudioInput::reset()
+{
+ stop();
+ m_bytesAvailable = 0;
+}
+
+void QnxAudioInput::suspend()
+{
+ if (m_pcmNotifier)
+ m_pcmNotifier->setEnabled(false);
+
+ setState(QAudio::SuspendedState);
+}
+
+void QnxAudioInput::resume()
+{
+ if (m_pcmNotifier)
+ m_pcmNotifier->setEnabled(true);
+
+ if (m_pullMode) {
+ setState(QAudio::ActiveState);
+ } else {
+ setState(QAudio::IdleState);
+ }
+}
+
+int QnxAudioInput::bytesReady() const
+{
+ return qMax(m_bytesAvailable, 0);
+}
+
+int QnxAudioInput::periodSize() const
+{
+ return m_periodSize;
+}
+
+void QnxAudioInput::setBufferSize(int bufferSize)
+{
+ m_bufferSize = bufferSize;
+}
+
+int QnxAudioInput::bufferSize() const
+{
+ return m_bufferSize;
+}
+
+void QnxAudioInput::setNotifyInterval(int milliSeconds)
+{
+ m_intervalTime = qMax(0, milliSeconds);
+}
+
+int QnxAudioInput::notifyInterval() const
+{
+ return m_intervalTime;
+}
+
+qint64 QnxAudioInput::processedUSecs() const
+{
+ return qint64(1000000) * m_format.framesForBytes(m_bytesRead) / m_format.sampleRate();
+}
+
+qint64 QnxAudioInput::elapsedUSecs() const
+{
+ if (m_state == QAudio::StoppedState)
+ return 0;
+
+ return m_clockStamp.elapsed() * 1000;
+}
+
+QAudio::Error QnxAudioInput::error() const
+{
+ return m_error;
+}
+
+QAudio::State QnxAudioInput::state() const
+{
+ return m_state;
+}
+
+void QnxAudioInput::setFormat(const QAudioFormat &format)
+{
+ if (m_state == QAudio::StoppedState)
+ m_format = format;
+}
+
+QAudioFormat QnxAudioInput::format() const
+{
+ return m_format;
+}
+
+void QnxAudioInput::setVolume(qreal volume)
+{
+ m_volume = qBound(qreal(0.0), volume, qreal(1.0));
+}
+
+qreal QnxAudioInput::volume() const
+{
+ return m_volume;
+}
+
+void QnxAudioInput::userFeed()
+{
+ if (m_state == QAudio::StoppedState || m_state == QAudio::SuspendedState)
+ return;
+
+ deviceReady();
+}
+
+bool QnxAudioInput::deviceReady()
+{
+ if (m_pullMode) {
+ // reads some audio data and writes it to QIODevice
+ read(0, 0);
+ } else {
+ m_bytesAvailable = m_periodSize;
+
+ // emits readyRead() so user will call read() on QIODevice to get some audio data
+ if (m_audioSource != 0) {
+ InputPrivate *input = qobject_cast<InputPrivate*>(m_audioSource);
+ input->trigger();
+ }
+ }
+
+ if (m_state != 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;
+}
+
+bool QnxAudioInput::open()
+{
+ if (!m_format.isValid() || m_format.sampleRate() <= 0) {
+ if (!m_format.isValid())
+ qWarning("QnxAudioInput: open error, invalid format.");
+ else
+ qWarning("QnxAudioInput: open error, invalid sample rate (%d).", m_format.sampleRate());
+
+ return false;
+ }
+
+ int errorCode = 0;
+
+ int card = 0;
+ int device = 0;
+ if ((errorCode = snd_pcm_open_preferred(&m_pcmHandle, &card, &device, SND_PCM_OPEN_CAPTURE)) < 0) {
+ qWarning("QnxAudioInput: open error, couldn't open card (0x%x)", -errorCode);
+ return false;
+ }
+
+ // Necessary so that bytesFree() which uses the "free" member of the status struct works
+ snd_pcm_plugin_set_disable(m_pcmHandle, PLUGIN_DISABLE_MMAP);
+
+ snd_pcm_channel_info_t info;
+ memset(&info, 0, sizeof(info));
+ info.channel = SND_PCM_CHANNEL_CAPTURE;
+ if ((errorCode = snd_pcm_plugin_info(m_pcmHandle, &info)) < 0) {
+ qWarning("QnxAudioInput: open error, couldn't get channel info (0x%x)", -errorCode);
+ close();
+ return false;
+ }
+
+ snd_pcm_channel_params_t params = QnxAudioUtils::formatToChannelParams(m_format, QAudio::AudioInput, info.max_fragment_size);
+
+ if ((errorCode = snd_pcm_plugin_params(m_pcmHandle, ¶ms)) < 0) {
+ qWarning("QnxAudioInput: open error, couldn't set channel params (0x%x)", -errorCode);
+ close();
+ return false;
+ }
+
+ if ((errorCode = snd_pcm_plugin_prepare(m_pcmHandle, SND_PCM_CHANNEL_CAPTURE)) < 0) {
+ qWarning("QnxAudioInput: open error, couldn't prepare channel (0x%x)", -errorCode);
+ close();
+ return false;
+ }
+
+ snd_pcm_channel_setup_t setup;
+
+ memset(&setup, 0, sizeof(setup));
+ setup.channel = SND_PCM_CHANNEL_CAPTURE;
+ if ((errorCode = snd_pcm_plugin_setup(m_pcmHandle, &setup)) < 0) {
+ qWarning("QnxAudioInput: open error, couldn't get channel setup (0x%x)", -errorCode);
+ close();
+ return false;
+ }
+
+ m_periodSize = qMin(2048, setup.buf.block.frag_size);
+
+ m_clockStamp.restart();
+ m_timeStamp.restart();
+ m_elapsedTimeOffset = 0;
+ m_totalTimeValue = 0;
+ m_bytesRead = 0;
+
+ m_pcmNotifier = new QSocketNotifier(snd_pcm_file_descriptor(m_pcmHandle, SND_PCM_CHANNEL_CAPTURE),
+ QSocketNotifier::Read, this);
+ connect(m_pcmNotifier, SIGNAL(activated(int)), SLOT(userFeed()));
+
+ return true;
+}
+
+void QnxAudioInput::close()
+{
+ if (m_pcmHandle)
+ snd_pcm_plugin_flush(m_pcmHandle, SND_PCM_CHANNEL_CAPTURE);
+
+ if (m_pcmNotifier) {
+ delete m_pcmNotifier;
+ m_pcmNotifier = 0;
+ }
+
+ if (m_pcmHandle) {
+ snd_pcm_close(m_pcmHandle);
+ m_pcmHandle = 0;
+ }
+
+ if (!m_pullMode && m_audioSource) {
+ delete m_audioSource;
+ m_audioSource = 0;
+ }
+}
+
+qint64 QnxAudioInput::read(char *data, qint64 len)
+{
+ int errorCode = 0;
+ QByteArray tempBuffer(m_periodSize, 0);
+
+ const int actualRead = snd_pcm_plugin_read(m_pcmHandle, tempBuffer.data(), m_periodSize);
+ if (actualRead < 1) {
+ snd_pcm_channel_status_t status;
+ memset(&status, 0, sizeof(status));
+ status.channel = SND_PCM_CHANNEL_CAPTURE;
+ if ((errorCode = snd_pcm_plugin_status(m_pcmHandle, &status)) < 0) {
+ qWarning("QnxAudioInput: read error, couldn't get plugin status (0x%x)", -errorCode);
+ close();
+ setError(QAudio::FatalError);
+ setState(QAudio::StoppedState);
+ return -1;
+ }
+
+ if (status.status == SND_PCM_STATUS_READY
+ || status.status == SND_PCM_STATUS_OVERRUN) {
+ if ((errorCode = snd_pcm_plugin_prepare(m_pcmHandle, SND_PCM_CHANNEL_CAPTURE)) < 0) {
+ qWarning("QnxAudioInput: read error, couldn't prepare plugin (0x%x)", -errorCode);
+ close();
+ setError(QAudio::FatalError);
+ setState(QAudio::StoppedState);
+ return -1;
+ }
+ }
+ } else {
+ setError(QAudio::NoError);
+ setState(QAudio::ActiveState);
+ }
+
+ if (m_volume < 1.0f)
+ QAudioHelperInternal::qMultiplySamples(m_volume, m_format, tempBuffer.data(), tempBuffer.data(), actualRead);
+
+ m_bytesRead += actualRead;
+
+ if (m_pullMode) {
+ m_audioSource->write(tempBuffer.data(), actualRead);
+ } else {
+ memcpy(data, tempBuffer.data(), qMin(static_cast<qint64>(actualRead), len));
+ }
+
+ m_bytesAvailable = 0;
+
+ return actualRead;
+}
+
+void QnxAudioInput::setError(QAudio::Error error)
+{
+ if (m_error == error)
+ return;
+
+ m_error = error;
+ emit errorChanged(m_error);
+}
+
+void QnxAudioInput::setState(QAudio::State state)
+{
+ if (m_state == state)
+ return;
+
+ m_state = state;
+ emit stateChanged(m_state);
+}
+
+InputPrivate::InputPrivate(QnxAudioInput *audio)
+ : m_audioDevice(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
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion
+** Contact: http://www.qt-project.org/legal
+**
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QNXAUDIOINPUT_H
+#define QNXAUDIOINPUT_H
+
+#include "qaudiosystem.h"
+
+#include <QSocketNotifier>
+#include <QTime>
+#include <QTimer>
+
+#include <sys/asoundlib.h>
+
+QT_BEGIN_NAMESPACE
+
+class QnxAudioInput : public QAbstractAudioInput
+{
+ Q_OBJECT
+
+public:
+ QnxAudioInput();
+ ~QnxAudioInput();
+
+ void start(QIODevice*) Q_DECL_OVERRIDE;
+ QIODevice* start() Q_DECL_OVERRIDE;
+ void stop() Q_DECL_OVERRIDE;
+ void reset() Q_DECL_OVERRIDE;
+ void suspend() Q_DECL_OVERRIDE;
+ void resume() Q_DECL_OVERRIDE;
+ int bytesReady() const Q_DECL_OVERRIDE;
+ int periodSize() const Q_DECL_OVERRIDE;
+ void setBufferSize(int ) Q_DECL_OVERRIDE;
+ int bufferSize() const Q_DECL_OVERRIDE;
+ void setNotifyInterval(int ) Q_DECL_OVERRIDE;
+ int notifyInterval() const Q_DECL_OVERRIDE;
+ qint64 processedUSecs() const Q_DECL_OVERRIDE;
+ qint64 elapsedUSecs() const Q_DECL_OVERRIDE;
+ QAudio::Error error() const Q_DECL_OVERRIDE;
+ QAudio::State state() const Q_DECL_OVERRIDE;
+ void setFormat(const QAudioFormat&) Q_DECL_OVERRIDE;
+ QAudioFormat format() const Q_DECL_OVERRIDE;
+ void setVolume(qreal) Q_DECL_OVERRIDE;
+ qreal volume() const Q_DECL_OVERRIDE;
+
+private slots:
+ void userFeed();
+ bool deviceReady();
+
+private:
+ friend class InputPrivate;
+
+ bool open();
+ void close();
+ qint64 read(char *data, qint64 len);
+ void setError(QAudio::Error error);
+ void setState(QAudio::State state);
+
+ QTime m_timeStamp;
+ QTime m_clockStamp;
+ QAudioFormat m_format;
+
+ QIODevice *m_audioSource;
+ snd_pcm_t *m_pcmHandle;
+ QSocketNotifier *m_pcmNotifier;
+
+ QAudio::Error m_error;
+ QAudio::State m_state;
+
+ qint64 m_bytesRead;
+ qint64 m_elapsedTimeOffset;
+ qint64 m_totalTimeValue;
+
+ qreal m_volume;
+
+ int m_bytesAvailable;
+ int m_bufferSize;
+ int m_periodSize;
+ int m_intervalTime;
+
+ bool m_pullMode;
+};
+
+class InputPrivate : public QIODevice
+{
+ Q_OBJECT
+public:
+ InputPrivate(QnxAudioInput *audio);
+
+ qint64 readData(char *data, qint64 len) Q_DECL_OVERRIDE;
+ qint64 writeData(const char *data, qint64 len) Q_DECL_OVERRIDE;
+
+ void trigger();
+
+private:
+ QnxAudioInput *m_audioDevice;
+};
+
+QT_END_NAMESPACE
+
+#endif
projects / platform / upstream / qtmultimedia.git / commitdiff