diff options
Diffstat (limited to 'src/plugins/qnx/audio/qnxaudioinput.cpp')
-rw-r--r-- | src/plugins/qnx/audio/qnxaudioinput.cpp | 447 |
1 files changed, 0 insertions, 447 deletions
diff --git a/src/plugins/qnx/audio/qnxaudioinput.cpp b/src/plugins/qnx/audio/qnxaudioinput.cpp deleted file mode 100644 index eb8064598..000000000 --- a/src/plugins/qnx/audio/qnxaudioinput.cpp +++ /dev/null @@ -1,447 +0,0 @@ -/**************************************************************************** -** -** 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 |