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/****************************************************************************
**
** Copyright (C) 2016 Research In Motion
** 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 "mmrendererutil.h"
#include <QDebug>
#include <QDir>
#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonValue>
#include <QMutex>
#include <QMutex>
#include <QString>
#include <QXmlStreamReader>
#include <mm/renderer.h>
QT_BEGIN_NAMESPACE
struct MmError {
int errorCode;
const char *name;
};
#define MM_ERROR_ENTRY(error) { error, #error }
static const MmError mmErrors[] = {
MM_ERROR_ENTRY(MMR_ERROR_NONE),
MM_ERROR_ENTRY(MMR_ERROR_UNKNOWN ),
MM_ERROR_ENTRY(MMR_ERROR_INVALID_PARAMETER ),
MM_ERROR_ENTRY(MMR_ERROR_INVALID_STATE),
MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_VALUE),
MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_MEDIA_TYPE),
MM_ERROR_ENTRY(MMR_ERROR_MEDIA_PROTECTED),
MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_OPERATION),
MM_ERROR_ENTRY(MMR_ERROR_READ),
MM_ERROR_ENTRY(MMR_ERROR_WRITE),
MM_ERROR_ENTRY(MMR_ERROR_MEDIA_UNAVAILABLE),
MM_ERROR_ENTRY(MMR_ERROR_MEDIA_CORRUPTED),
MM_ERROR_ENTRY(MMR_ERROR_OUTPUT_UNAVAILABLE),
MM_ERROR_ENTRY(MMR_ERROR_NO_MEMORY),
MM_ERROR_ENTRY(MMR_ERROR_RESOURCE_UNAVAILABLE),
MM_ERROR_ENTRY(MMR_ERROR_MEDIA_DRM_NO_RIGHTS),
MM_ERROR_ENTRY(MMR_ERROR_DRM_CORRUPTED_DATA_STORE),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OUTPUT_PROTECTION),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_HDMI),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_DISPLAYPORT),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_DVI),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_ANALOG_VIDEO),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_ANALOG_AUDIO),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_TOSLINK),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_SPDIF),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_BLUETOOTH),
MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_WIRELESSHD),
};
static const unsigned int numMmErrors = sizeof(mmErrors) / sizeof(MmError);
static QBasicMutex roleMapMutex;
static bool roleMapInitialized = false;
static QString roleMap[QAudio::CustomRole + 1];
template <typename T, size_t N>
constexpr size_t countof(T (&)[N])
{
return N;
}
constexpr bool inBounds(QAudio::Role r)
{
return r >= 0 && r < countof(roleMap);
}
QString keyValueMapsLocation()
{
QByteArray qtKeyValueMaps = qgetenv("QT_KEY_VALUE_MAPS");
if (qtKeyValueMaps.isNull())
return QStringLiteral("/etc/qt/keyvaluemaps");
else
return qtKeyValueMaps;
}
QJsonObject loadMapObject(const QString &keyValueMapPath)
{
QFile mapFile(keyValueMapsLocation() + keyValueMapPath);
if (mapFile.open(QIODevice::ReadOnly)) {
QByteArray mapFileContents = mapFile.readAll();
QJsonDocument mapDocument = QJsonDocument::fromJson(mapFileContents);
if (mapDocument.isObject()) {
QJsonObject mapObject = mapDocument.object();
return mapObject;
}
}
return QJsonObject();
}
static void loadRoleMap()
{
QMutexLocker locker(&roleMapMutex);
if (!roleMapInitialized) {
QJsonObject mapObject = loadMapObject("/QAudio/Role.json");
if (!mapObject.isEmpty()) {
// Wrapping the loads in a switch like this ensures that anyone adding
// a new enumerator will be notified that this code must be updated. A
// compile error will occur because the enumerator is missing from the
// switch. A compile error will also occur if the enumerator used to
// size the mapping table isn't updated when a new enumerator is added.
// One or more enumerators will be outside the bounds of the array when
// the wrong enumerator is used to size the array.
//
// The code loads a mapping for each enumerator because role is set
// to UnknownRole and all the cases drop through to the next case.
#pragma GCC diagnostic push
#pragma GCC diagnostic error "-Wswitch"
#define loadRoleMapping(r) \
case QAudio::r: \
static_assert(inBounds(QAudio::r), #r " out-of-bounds." \
" Do you need to change the enumerator used to size the mapping table" \
" because you added new QAudio::Role enumerators?"); \
roleMap[QAudio::r] = mapObject.value(QLatin1String(#r)).toString();
QAudio::Role role = QAudio::UnknownRole;
switch (role) {
loadRoleMapping(UnknownRole);
loadRoleMapping(MusicRole);
loadRoleMapping(VideoRole);
loadRoleMapping(VoiceCommunicationRole);
loadRoleMapping(AlarmRole);
loadRoleMapping(NotificationRole);
loadRoleMapping(RingtoneRole);
loadRoleMapping(AccessibilityRole);
loadRoleMapping(SonificationRole);
loadRoleMapping(GameRole);
loadRoleMapping(CustomRole);
}
#undef loadRoleMapping
#pragma GCC diagnostic pop
if (!roleMap[QAudio::CustomRole].isEmpty()) {
qWarning("CustomRole mapping ignored");
roleMap[QAudio::CustomRole].clear();
}
}
roleMapInitialized = true;
}
}
QString mmErrorMessage(const QString &msg, mmr_context_t *context, int *errorCode)
{
const mmr_error_info_t * const mmError = mmr_error_info(context);
if (errorCode)
*errorCode = mmError->error_code;
if (mmError->error_code < numMmErrors) {
return QString("%1: %2 (code %3)").arg(msg).arg(mmErrors[mmError->error_code].name)
.arg(mmError->error_code);
} else {
return QString("%1: Unknown error code %2").arg(msg).arg(mmError->error_code);
}
}
bool checkForDrmPermission()
{
QDir sandboxDir = QDir::home(); // always returns 'data' directory
sandboxDir.cdUp(); // change to app sandbox directory
QFile file(sandboxDir.filePath("app/native/bar-descriptor.xml"));
if (!file.open(QIODevice::ReadOnly)) {
qWarning() << "checkForDrmPermission: Unable to open bar-descriptor.xml";
return false;
}
QXmlStreamReader reader(&file);
while (!reader.atEnd()) {
reader.readNextStartElement();
if (reader.name() == QLatin1String("action")
|| reader.name() == QLatin1String("permission")) {
if (reader.readElementText().trimmed() == QLatin1String("access_protected_media"))
return true;
}
}
return false;
}
QString qnxAudioType(QAudio::Role role)
{
loadRoleMap();
if (role >= 0 && role < countof(roleMap))
return roleMap[role];
else
return QString();
}
QList<QAudio::Role> qnxSupportedAudioRoles()
{
loadRoleMap();
QList<QAudio::Role> result;
for (size_t i = 0; i < countof(roleMap); ++i) {
if (!roleMap[i].isEmpty() || (i == QAudio::UnknownRole))
result.append(static_cast<QAudio::Role>(i));
}
return result;
}
QT_END_NAMESPACE
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