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/****************************************************************************
**
** Copyright (C) 2017 QNX Software Systems. All rights reserved.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mmreventmediaplayercontrol.h"
#include "mmreventthread.h"
#include "mmrenderervideowindowcontrol.h"
#include <mm/renderer.h>
#include <tuple>
QT_BEGIN_NAMESPACE
static std::tuple<int, int, bool> parseBufferLevel(const QByteArray &value)
{
const int slashPos = value.indexOf('/');
if (slashPos <= 0)
return std::make_tuple(0, 0, false);
bool ok = false;
const int level = value.left(slashPos).toInt(&ok);
if (!ok || level < 0)
return std::make_tuple(0, 0, false);
const int capacity = value.mid(slashPos + 1).toInt(&ok);
if (!ok || capacity < 0)
return std::make_tuple(0, 0, false);
return std::make_tuple(level, capacity, true);
}
MmrEventMediaPlayerControl::MmrEventMediaPlayerControl(QObject *parent)
: MmRendererMediaPlayerControl(parent)
, m_eventThread(nullptr)
, m_bufferStatus("")
, m_bufferLevel(0)
, m_bufferCapacity(0)
, m_position(0)
, m_suspended(false)
, m_suspendedReason("unknown")
, m_state(MMR_STATE_IDLE)
, m_speed(0)
{
openConnection();
}
MmrEventMediaPlayerControl::~MmrEventMediaPlayerControl()
{
destroy();
}
void MmrEventMediaPlayerControl::startMonitoring()
{
m_eventThread = new MmrEventThread(m_context);
connect(m_eventThread, &MmrEventThread::eventPending,
this, &MmrEventMediaPlayerControl::readEvents);
m_eventThread->setObjectName(QStringLiteral("MmrEventThread-") + QString::number(m_id));
m_eventThread->start();
}
void MmrEventMediaPlayerControl::stopMonitoring()
{
delete m_eventThread;
m_eventThread = nullptr;
}
void MmrEventMediaPlayerControl::resetMonitoring()
{
m_bufferStatus = "";
m_bufferLevel = 0;
m_bufferCapacity = 0;
m_position = 0;
m_suspended = false;
m_suspendedReason = "unknown";
m_state = MMR_STATE_IDLE;
m_speed = 0;
}
bool MmrEventMediaPlayerControl::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 (MmRendererVideoWindowControl *control = videoWindowControl())
control->screenEventHandler(event);
}
return false;
}
void MmrEventMediaPlayerControl::readEvents()
{
const mmr_event_t *event;
while ((event = mmr_event_get(m_context))) {
if (event->type == MMR_EVENT_NONE)
break;
switch (event->type) {
case MMR_EVENT_STATUS: {
if (event->data) {
const strm_string_t *value;
value = strm_dict_find_rstr(event->data, "bufferstatus");
if (value) {
m_bufferStatus = QByteArray(strm_string_get(value));
if (!m_suspended)
setMmBufferStatus(m_bufferStatus);
}
value = strm_dict_find_rstr(event->data, "bufferlevel");
if (value) {
const char *cstrValue = strm_string_get(value);
int level;
int capacity;
bool ok;
std::tie(level, capacity, ok) = parseBufferLevel(QByteArray(cstrValue));
if (!ok) {
qCritical("Could not parse buffer capacity from '%s'", cstrValue);
} else {
m_bufferLevel = level;
m_bufferCapacity = capacity;
setMmBufferLevel(level, capacity);
}
}
value = strm_dict_find_rstr(event->data, "suspended");
if (value) {
if (!m_suspended) {
m_suspended = true;
m_suspendedReason = strm_string_get(value);
handleMmSuspend(m_suspendedReason);
}
} else if (m_suspended) {
m_suspended = false;
handleMmSuspendRemoval(m_bufferStatus);
}
}
if (event->pos_str) {
const QByteArray valueBa = QByteArray(event->pos_str);
bool ok;
m_position = valueBa.toLongLong(&ok);
if (!ok) {
qCritical("Could not parse position from '%s'", valueBa.constData());
} else {
setMmPosition(m_position);
}
}
break;
}
case MMR_EVENT_STATE: {
if (event->state == MMR_STATE_PLAYING && m_speed != event->speed) {
m_speed = event->speed;
if (m_speed == 0)
handleMmPause();
else
handleMmPlay();
}
break;
}
case MMR_EVENT_METADATA: {
updateMetaData(event->data);
break;
}
case MMR_EVENT_ERROR:
case MMR_EVENT_NONE:
case MMR_EVENT_OVERFLOW:
case MMR_EVENT_WARNING:
case MMR_EVENT_PLAYLIST:
case MMR_EVENT_INPUT:
case MMR_EVENT_OUTPUT:
case MMR_EVENT_CTXTPAR:
case MMR_EVENT_TRKPAR:
case MMR_EVENT_OTHER: {
break;
}
}
// Currently, any exit from the playing state is considered a stop (end-of-media).
// If you ever need to separate end-of-media from things like "stopped unexpectedly"
// or "stopped because of an error", you'll find that end-of-media is signaled by an
// MMR_EVENT_ERROR of MMR_ERROR_NONE with state changed to MMR_STATE_STOPPED.
if (event->state != m_state && m_state == MMR_STATE_PLAYING)
handleMmStopped();
m_state = event->state;
}
if (m_eventThread)
m_eventThread->signalRead();
}
QT_END_NAMESPACE
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