diff options
Diffstat (limited to 'src/plugins/gstreamer/qgstcodecsinfo.cpp')
| -rw-r--r-- | src/plugins/gstreamer/qgstcodecsinfo.cpp | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/src/plugins/gstreamer/qgstcodecsinfo.cpp b/src/plugins/gstreamer/qgstcodecsinfo.cpp deleted file mode 100644 index 34c18a1..0000000 --- a/src/plugins/gstreamer/qgstcodecsinfo.cpp +++ /dev/null @@ -1,183 +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 "qgstcodecsinfo.h" - -#include <QtCore/qset.h> - -#ifdef QMEDIA_GSTREAMER_CAMERABIN -#include <gst/pbutils/pbutils.h> -#include <gst/pbutils/encoding-profile.h> -#endif - - -QGstCodecsInfo::QGstCodecsInfo(QGstCodecsInfo::ElementType elementType) -{ - -#if GST_CHECK_VERSION(0,10,31) - - GstElementFactoryListType gstElementType = 0; - switch (elementType) { - case AudioEncoder: - gstElementType = GST_ELEMENT_FACTORY_TYPE_AUDIO_ENCODER; - break; - case VideoEncoder: - gstElementType = GST_ELEMENT_FACTORY_TYPE_VIDEO_ENCODER; - break; - case Muxer: - gstElementType = GST_ELEMENT_FACTORY_TYPE_MUXER; - break; - } - - GstCaps *allCaps = supportedElementCaps(gstElementType); - GstCaps *caps = gst_caps_new_empty(); - - uint codecsCount = gst_caps_get_size(allCaps); - for (uint i=0; i<codecsCount; i++) { - gst_caps_append_structure(caps, gst_caps_steal_structure(allCaps, 0)); - gchar * capsString = gst_caps_to_string(caps); - - QString codec = QLatin1String(capsString); - m_codecs.append(codec); - -#ifdef QMEDIA_GSTREAMER_CAMERABIN - gchar *description = gst_pb_utils_get_codec_description(caps); - m_codecDescriptions.insert(codec, QString::fromUtf8(description)); - - if (description) - g_free(description); -#else - m_codecDescriptions.insert(codec, codec); -#endif - - if (capsString) - g_free(capsString); - - gst_caps_remove_structure(caps, 0); - } -#else - Q_UNUSED(elementType); -#endif // GST_CHECK_VERSION(0,10,31) -} - -QStringList QGstCodecsInfo::supportedCodecs() const -{ - return m_codecs; -} - -QString QGstCodecsInfo::codecDescription(const QString &codec) const -{ - return m_codecDescriptions.value(codec); -} - -#if GST_CHECK_VERSION(0,10,31) - -/*! - List all supported caps for all installed elements of type \a elementType. - - Caps are simplified to mime type and a few field necessary to distinguish - different codecs like mpegversion or layer. - */ -GstCaps* QGstCodecsInfo::supportedElementCaps(GstElementFactoryListType elementType, - GstRank minimumRank, - GstPadDirection padDirection) -{ - GList *elements = gst_element_factory_list_get_elements(elementType, minimumRank); - GstCaps *res = gst_caps_new_empty(); - - QSet<QByteArray> fakeEncoderMimeTypes; - fakeEncoderMimeTypes << "unknown/unknown" - << "audio/x-raw-int" << "audio/x-raw-float" - << "video/x-raw-yuv" << "video/x-raw-rgb"; - - QSet<QByteArray> fieldsToAdd; - fieldsToAdd << "mpegversion" << "layer" << "layout" << "raversion" - << "wmaversion" << "wmvversion" << "variant"; - - GList *element = elements; - while (element) { - GstElementFactory *factory = (GstElementFactory *)element->data; - element = element->next; - - const GList *padTemplates = gst_element_factory_get_static_pad_templates(factory); - while (padTemplates) { - GstStaticPadTemplate *padTemplate = (GstStaticPadTemplate *)padTemplates->data; - padTemplates = padTemplates->next; - - if (padTemplate->direction == padDirection) { - const GstCaps *caps = gst_static_caps_get(&padTemplate->static_caps); - for (uint i=0; i<gst_caps_get_size(caps); i++) { - const GstStructure *structure = gst_caps_get_structure(caps, i); - - //skip "fake" encoders - if (fakeEncoderMimeTypes.contains(gst_structure_get_name(structure))) - continue; - - GstStructure *newStructure = gst_structure_new(gst_structure_get_name(structure), NULL); - - //add structure fields to distinguish between formats with similar mime types, - //like audio/mpeg - for (int j=0; j<gst_structure_n_fields(structure); j++) { - const gchar* fieldName = gst_structure_nth_field_name(structure, j); - if (fieldsToAdd.contains(fieldName)) { - const GValue *value = gst_structure_get_value(structure, fieldName); - GType valueType = G_VALUE_TYPE(value); - - //don't add values of range type, - //gst_pb_utils_get_codec_description complains about not fixed caps - - if (valueType != GST_TYPE_INT_RANGE && valueType != GST_TYPE_DOUBLE_RANGE && - valueType != GST_TYPE_FRACTION_RANGE && valueType != GST_TYPE_LIST && - valueType != GST_TYPE_ARRAY) - gst_structure_set_value(newStructure, fieldName, value); - } - } - - gst_caps_merge_structure(res, newStructure); - } - } - } - } - gst_plugin_feature_list_free(elements); - - return res; -} -#endif //GST_CHECK_VERSION(0,10,31) |