diff options
Diffstat (limited to 'src/plugins/blackberry/mediaplayer/ppsmediaplayercontrol.cpp')
-rw-r--r-- | src/plugins/blackberry/mediaplayer/ppsmediaplayercontrol.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/plugins/blackberry/mediaplayer/ppsmediaplayercontrol.cpp b/src/plugins/blackberry/mediaplayer/ppsmediaplayercontrol.cpp new file mode 100644 index 000000000..889819b59 --- /dev/null +++ b/src/plugins/blackberry/mediaplayer/ppsmediaplayercontrol.cpp @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** 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 "ppsmediaplayercontrol.h" +#include "bbvideowindowcontrol.h" + +#include <QtCore/qfile.h> +#include <QtCore/qsocketnotifier.h> +#include <QtCore/private/qcore_unix_p.h> + +#include <screen/screen.h> +#include <sys/pps.h> + +QT_BEGIN_NAMESPACE + +PpsMediaPlayerControl::PpsMediaPlayerControl(QObject *parent) + : BbMediaPlayerControl(parent), + m_ppsStatusNotifier(0), + m_ppsStatusFd(-1), + m_ppsStateNotifier(0), + m_ppsStateFd(-1) + , m_previouslySeenState("STOPPED") +{ + openConnection(); +} + +PpsMediaPlayerControl::~PpsMediaPlayerControl() +{ + destroy(); +} + +void PpsMediaPlayerControl::startMonitoring(int, const QString &contextName) +{ + const QString ppsContextPath = QStringLiteral("/pps/services/multimedia/renderer/context/%1/").arg(contextName); + const QString ppsStatusPath = ppsContextPath + QStringLiteral("/status"); + + Q_ASSERT(m_ppsStatusFd == -1); + errno = 0; + m_ppsStatusFd = qt_safe_open(QFile::encodeName(ppsStatusPath).constData(), O_RDONLY); + if (m_ppsStatusFd == -1) { + emitPError(QStringLiteral("Unable to open %1: %2").arg(ppsStatusPath, qt_error_string(errno))); + return; + } + + Q_ASSERT(!m_ppsStatusNotifier); + m_ppsStatusNotifier = new QSocketNotifier(m_ppsStatusFd, QSocketNotifier::Read); + connect(m_ppsStatusNotifier, SIGNAL(activated(int)), this, SLOT(ppsReadyRead(int))); + + + const QString ppsStatePath = ppsContextPath + QStringLiteral("/state"); + + Q_ASSERT(m_ppsStateFd == -1); + errno = 0; + m_ppsStateFd = qt_safe_open(QFile::encodeName(ppsStatePath).constData(), O_RDONLY); + if (m_ppsStateFd == -1) { + emitPError(QStringLiteral("Unable to open %1: %2").arg(ppsStatePath, qt_error_string(errno))); + return; + } + + Q_ASSERT(!m_ppsStateNotifier); + m_ppsStateNotifier = new QSocketNotifier(m_ppsStateFd, QSocketNotifier::Read); + connect(m_ppsStateNotifier, SIGNAL(activated(int)), this, SLOT(ppsReadyRead(int))); + + //ensure we receive any initial state + ppsReadyRead(m_ppsStatusFd); + ppsReadyRead(m_ppsStateFd); +} + +void PpsMediaPlayerControl::stopMonitoring() +{ + + if (m_ppsStatusFd != -1) { + ::close(m_ppsStatusFd); + m_ppsStatusFd = -1; + } + + delete m_ppsStatusNotifier; + m_ppsStatusNotifier = 0; + + if (m_ppsStateFd != -1) { + ::close(m_ppsStateFd); + m_ppsStateFd = -1; + } + + delete m_ppsStateNotifier; + m_ppsStateNotifier = 0; +} + +bool PpsMediaPlayerControl::nativeEventFilter(const QByteArray &eventType, void *message, long *result) +{ + Q_UNUSED(result) + if (eventType == "screen_event_t") { + screen_event_t event = static_cast<screen_event_t>(message); + if (BbVideoWindowControl *control = videoWindowControl()) + control->screenEventHandler(event); + } + + return false; +} + +void PpsMediaPlayerControl::ppsReadyRead(int fd) +{ + Q_ASSERT(fd == m_ppsStateFd || fd == m_ppsStatusFd); + const int bufferSize = 2048; + char buffer[bufferSize]; + const ssize_t nread = qt_safe_read(fd, buffer, bufferSize - 1); + if (nread < 0) { + //TODO emit error? + } + + if (nread == 0) { + return; + } + + // nread is the real space necessary, not the amount read. + if (static_cast<size_t>(nread) > bufferSize - 1) { + //TODO emit error? + qCritical("BBMediaPlayerControl: PPS buffer size too short; need %u.", nread + 1); + return; + } + + buffer[nread] = 0; + + pps_decoder_t decoder; + + if (pps_decoder_initialize(&decoder, buffer) != PPS_DECODER_OK) { + //TODO emit error? + qCritical("Could not initialize pps_decoder"); + pps_decoder_cleanup(&decoder); + return; + } + + pps_decoder_push(&decoder, 0); + + const char *value = 0; + if (pps_decoder_get_string(&decoder, "bufferlevel", &value) == PPS_DECODER_OK) { + setMmBufferStatus(QString::fromLatin1(value)); + } + + if (pps_decoder_get_string(&decoder, "state", &value) == PPS_DECODER_OK) { + const QByteArray state = value; + if (state != m_previouslySeenState && state == "STOPPED") + handleMmStopped(); + m_previouslySeenState = state; + } + + if (pps_decoder_get_string(&decoder, "position", &value) == PPS_DECODER_OK) { + const QByteArray valueBa = QByteArray(value); + bool ok; + const qint64 position = valueBa.toLongLong(&ok); + if (!ok) { + qCritical("Could not parse position from '%s'", valueBa.constData()); + } else { + setMmPosition(position); + } + } + + pps_decoder_cleanup(&decoder); +} + +QT_END_NAMESPACE |