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-rw-r--r--src/plugins/qnx/audio/qnxaudioinput.cpp447
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diff --git a/src/plugins/qnx/audio/qnxaudioinput.cpp b/src/plugins/qnx/audio/qnxaudioinput.cpp
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index eb8064598..000000000
--- a/src/plugins/qnx/audio/qnxaudioinput.cpp
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-/****************************************************************************
-**
-** 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, &params)) < 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