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Diffstat (limited to 'src/gsttools/qgstutils.cpp')
| -rw-r--r-- | src/gsttools/qgstutils.cpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/gsttools/qgstutils.cpp b/src/gsttools/qgstutils.cpp deleted file mode 100644 index 4e501e9..0000000 --- a/src/gsttools/qgstutils.cpp +++ /dev/null @@ -1,165 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgstutils_p.h" - -#include <QtCore/qdatetime.h> -#include <QtCore/qbytearray.h> -#include <QtCore/qvariant.h> -#include <QtCore/qsize.h> - -//internal -static void addTagToMap(const GstTagList *list, - const gchar *tag, - gpointer user_data) -{ - QMap<QByteArray, QVariant> *map = reinterpret_cast<QMap<QByteArray, QVariant>* >(user_data); - - GValue val; - val.g_type = 0; - gst_tag_list_copy_value(&val,list,tag); - - switch( G_VALUE_TYPE(&val) ) { - case G_TYPE_STRING: - { - const gchar *str_value = g_value_get_string(&val); - map->insert(QByteArray(tag), QString::fromUtf8(str_value)); - break; - } - case G_TYPE_INT: - map->insert(QByteArray(tag), g_value_get_int(&val)); - break; - case G_TYPE_UINT: - map->insert(QByteArray(tag), g_value_get_uint(&val)); - break; - case G_TYPE_LONG: - map->insert(QByteArray(tag), qint64(g_value_get_long(&val))); - break; - case G_TYPE_BOOLEAN: - map->insert(QByteArray(tag), g_value_get_boolean(&val)); - break; - case G_TYPE_CHAR: - map->insert(QByteArray(tag), g_value_get_char(&val)); - break; - case G_TYPE_DOUBLE: - map->insert(QByteArray(tag), g_value_get_double(&val)); - break; - default: - // GST_TYPE_DATE is a function, not a constant, so pull it out of the switch - if (G_VALUE_TYPE(&val) == GST_TYPE_DATE) { - const GDate *date = gst_value_get_date(&val); - if (g_date_valid(date)) { - int year = g_date_get_year(date); - int month = g_date_get_month(date); - int day = g_date_get_day(date); - map->insert(QByteArray(tag), QDate(year,month,day)); - if (!map->contains("year")) - map->insert("year", year); - } - } else if (G_VALUE_TYPE(&val) == GST_TYPE_FRACTION) { - int nom = gst_value_get_fraction_numerator(&val); - int denom = gst_value_get_fraction_denominator(&val); - - if (denom > 0) { - map->insert(QByteArray(tag), double(nom)/denom); - } - } - break; - } - - g_value_unset(&val); -} - -/*! - Convert GstTagList structure to QMap<QByteArray, QVariant>. - - Mapping to int, bool, char, string, fractions and date are supported. - Fraction values are converted to doubles. -*/ -QMap<QByteArray, QVariant> QGstUtils::gstTagListToMap(const GstTagList *tags) -{ - QMap<QByteArray, QVariant> res; - gst_tag_list_foreach(tags, addTagToMap, &res); - - return res; -} - -/*! - Returns resolution of \a caps. - If caps doesn't have a valid size, and ampty QSize is returned. -*/ -QSize QGstUtils::capsResolution(const GstCaps *caps) -{ - QSize size; - - if (caps) { - const GstStructure *structure = gst_caps_get_structure(caps, 0); - gst_structure_get_int(structure, "width", &size.rwidth()); - gst_structure_get_int(structure, "height", &size.rheight()); - } - - return size; -} - -/*! - Returns aspect ratio corrected resolution of \a caps. - If caps doesn't have a valid size, and ampty QSize is returned. -*/ -QSize QGstUtils::capsCorrectedResolution(const GstCaps *caps) -{ - QSize size; - - if (caps) { - const GstStructure *structure = gst_caps_get_structure(caps, 0); - gst_structure_get_int(structure, "width", &size.rwidth()); - gst_structure_get_int(structure, "height", &size.rheight()); - - gint aspectNum = 0; - gint aspectDenum = 0; - if (!size.isEmpty() && gst_structure_get_fraction( - structure, "pixel-aspect-ratio", &aspectNum, &aspectDenum)) { - if (aspectDenum > 0) - size.setWidth(size.width()*aspectNum/aspectDenum); - } - } - - return size; -} |