--- /dev/null
+/**************************************************************************
+ copyright : (C) 2005-2007 by Lukáš Lalinský
+ email : lalinsky@gmail.com
+ **************************************************************************/
+
+/***************************************************************************
+ * This library is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU Lesser General Public License version *
+ * 2.1 as published by the Free Software Foundation. *
+ * *
+ * This library is distributed in the hope that it will be useful, but *
+ * WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this library; if not, write to the Free Software *
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
+ * USA *
+ * *
+ * Alternatively, this file is available under the Mozilla Public *
+ * License Version 1.1. You may obtain a copy of the License at *
+ * http://www.mozilla.org/MPL/ *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef WITH_ASF
+
+#include <tdebug.h>
+#include <tbytevectorlist.h>
+#include <tstring.h>
+#include "asffile.h"
+#include "asftag.h"
+#include "asfproperties.h"
+
+using namespace TagLib;
+
+class ASF::File::FilePrivate
+{
+public:
+ FilePrivate():
+ size(0),
+ tag(0),
+ properties(0),
+ contentDescriptionObject(0),
+ extendedContentDescriptionObject(0),
+ headerExtensionObject(0),
+ metadataObject(0),
+ metadataLibraryObject(0) {}
+ unsigned long long size;
+ ASF::Tag *tag;
+ ASF::Properties *properties;
+ List<ASF::File::BaseObject *> objects;
+ ASF::File::ContentDescriptionObject *contentDescriptionObject;
+ ASF::File::ExtendedContentDescriptionObject *extendedContentDescriptionObject;
+ ASF::File::HeaderExtensionObject *headerExtensionObject;
+ ASF::File::MetadataObject *metadataObject;
+ ASF::File::MetadataLibraryObject *metadataLibraryObject;
+};
+
+static ByteVector headerGuid("\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C", 16);
+static ByteVector filePropertiesGuid("\xA1\xDC\xAB\x8C\x47\xA9\xCF\x11\x8E\xE4\x00\xC0\x0C\x20\x53\x65", 16);
+static ByteVector streamPropertiesGuid("\x91\x07\xDC\xB7\xB7\xA9\xCF\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65", 16);
+static ByteVector contentDescriptionGuid("\x33\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C", 16);
+static ByteVector extendedContentDescriptionGuid("\x40\xA4\xD0\xD2\x07\xE3\xD2\x11\x97\xF0\x00\xA0\xC9\x5E\xA8\x50", 16);
+static ByteVector headerExtensionGuid("\xb5\x03\xbf_.\xa9\xcf\x11\x8e\xe3\x00\xc0\x0c Se", 16);
+static ByteVector metadataGuid("\xEA\xCB\xF8\xC5\xAF[wH\204g\xAA\214D\xFAL\xCA", 16);
+static ByteVector metadataLibraryGuid("\224\034#D\230\224\321I\241A\x1d\x13NEpT", 16);
+
+class ASF::File::BaseObject
+{
+public:
+ ByteVector data;
+ virtual ~BaseObject() {}
+ virtual ByteVector guid() = 0;
+ virtual void parse(ASF::File *file, unsigned int size);
+ virtual ByteVector render(ASF::File *file);
+};
+
+class ASF::File::UnknownObject : public ASF::File::BaseObject
+{
+ ByteVector myGuid;
+public:
+ UnknownObject(const ByteVector &guid);
+ ByteVector guid();
+};
+
+class ASF::File::FilePropertiesObject : public ASF::File::BaseObject
+{
+public:
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+};
+
+class ASF::File::StreamPropertiesObject : public ASF::File::BaseObject
+{
+public:
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+};
+
+class ASF::File::ContentDescriptionObject : public ASF::File::BaseObject
+{
+public:
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+ ByteVector render(ASF::File *file);
+};
+
+class ASF::File::ExtendedContentDescriptionObject : public ASF::File::BaseObject
+{
+public:
+ ByteVectorList attributeData;
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+ ByteVector render(ASF::File *file);
+};
+
+class ASF::File::MetadataObject : public ASF::File::BaseObject
+{
+public:
+ ByteVectorList attributeData;
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+ ByteVector render(ASF::File *file);
+};
+
+class ASF::File::MetadataLibraryObject : public ASF::File::BaseObject
+{
+public:
+ ByteVectorList attributeData;
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+ ByteVector render(ASF::File *file);
+};
+
+class ASF::File::HeaderExtensionObject : public ASF::File::BaseObject
+{
+public:
+ List<ASF::File::BaseObject *> objects;
+ ByteVector guid();
+ void parse(ASF::File *file, uint size);
+ ByteVector render(ASF::File *file);
+};
+
+void
+ASF::File::BaseObject::parse(ASF::File *file, unsigned int size)
+{
+ data = file->readBlock(size - 24);
+}
+
+ByteVector
+ASF::File::BaseObject::render(ASF::File * /*file*/)
+{
+ return guid() + ByteVector::fromLongLong(data.size() + 24, false) + data;
+}
+
+ASF::File::UnknownObject::UnknownObject(const ByteVector &guid) : myGuid(guid)
+{
+}
+
+ByteVector
+ASF::File::UnknownObject::guid()
+{
+ return myGuid;
+}
+
+ByteVector
+ASF::File::FilePropertiesObject::guid()
+{
+ return filePropertiesGuid;
+}
+
+void
+ASF::File::FilePropertiesObject::parse(ASF::File *file, uint size)
+{
+ BaseObject::parse(file, size);
+ file->d->properties->setLength((int)(data.mid(40, 8).toLongLong(false) / 10000000L - data.mid(56, 8).toLongLong(false) / 1000L));
+}
+
+ByteVector
+ASF::File::StreamPropertiesObject::guid()
+{
+ return streamPropertiesGuid;
+}
+
+void
+ASF::File::StreamPropertiesObject::parse(ASF::File *file, uint size)
+{
+ BaseObject::parse(file, size);
+ file->d->properties->setChannels(data.mid(56, 2).toShort(false));
+ file->d->properties->setSampleRate(data.mid(58, 4).toUInt(false));
+ file->d->properties->setBitrate(data.mid(62, 4).toUInt(false) * 8 / 1000);
+}
+
+ByteVector
+ASF::File::ContentDescriptionObject::guid()
+{
+ return contentDescriptionGuid;
+}
+
+void
+ASF::File::ContentDescriptionObject::parse(ASF::File *file, uint /*size*/)
+{
+ file->d->contentDescriptionObject = this;
+ int titleLength = file->readWORD();
+ int artistLength = file->readWORD();
+ int copyrightLength = file->readWORD();
+ int commentLength = file->readWORD();
+ int ratingLength = file->readWORD();
+ file->d->tag->setTitle(file->readString(titleLength));
+ file->d->tag->setArtist(file->readString(artistLength));
+ file->d->tag->setCopyright(file->readString(copyrightLength));
+ file->d->tag->setComment(file->readString(commentLength));
+ file->d->tag->setRating(file->readString(ratingLength));
+}
+
+ByteVector
+ASF::File::ContentDescriptionObject::render(ASF::File *file)
+{
+ ByteVector v1 = file->renderString(file->d->tag->title());
+ ByteVector v2 = file->renderString(file->d->tag->artist());
+ ByteVector v3 = file->renderString(file->d->tag->copyright());
+ ByteVector v4 = file->renderString(file->d->tag->comment());
+ ByteVector v5 = file->renderString(file->d->tag->rating());
+ data.clear();
+ data.append(ByteVector::fromShort(v1.size(), false));
+ data.append(ByteVector::fromShort(v2.size(), false));
+ data.append(ByteVector::fromShort(v3.size(), false));
+ data.append(ByteVector::fromShort(v4.size(), false));
+ data.append(ByteVector::fromShort(v5.size(), false));
+ data.append(v1);
+ data.append(v2);
+ data.append(v3);
+ data.append(v4);
+ data.append(v5);
+ return BaseObject::render(file);
+}
+
+ByteVector
+ASF::File::ExtendedContentDescriptionObject::guid()
+{
+ return extendedContentDescriptionGuid;
+}
+
+void
+ASF::File::ExtendedContentDescriptionObject::parse(ASF::File *file, uint /*size*/)
+{
+ file->d->extendedContentDescriptionObject = this;
+ int count = file->readWORD();
+ while(count--) {
+ ASF::Attribute attribute;
+ String name = attribute.parse(*file);
+ file->d->tag->addAttribute(name, attribute);
+ }
+}
+
+ByteVector
+ASF::File::ExtendedContentDescriptionObject::render(ASF::File *file)
+{
+ data.clear();
+ data.append(ByteVector::fromShort(attributeData.size(), false));
+ data.append(attributeData.toByteVector(ByteVector::null));
+ return BaseObject::render(file);
+}
+
+ByteVector
+ASF::File::MetadataObject::guid()
+{
+ return metadataGuid;
+}
+
+void
+ASF::File::MetadataObject::parse(ASF::File *file, uint /*size*/)
+{
+ file->d->metadataObject = this;
+ int count = file->readWORD();
+ while(count--) {
+ ASF::Attribute attribute;
+ String name = attribute.parse(*file, 1);
+ file->d->tag->addAttribute(name, attribute);
+ }
+}
+
+ByteVector
+ASF::File::MetadataObject::render(ASF::File *file)
+{
+ data.clear();
+ data.append(ByteVector::fromShort(attributeData.size(), false));
+ data.append(attributeData.toByteVector(ByteVector::null));
+ return BaseObject::render(file);
+}
+
+ByteVector
+ASF::File::MetadataLibraryObject::guid()
+{
+ return metadataLibraryGuid;
+}
+
+void
+ASF::File::MetadataLibraryObject::parse(ASF::File *file, uint /*size*/)
+{
+ file->d->metadataLibraryObject = this;
+ int count = file->readWORD();
+ while(count--) {
+ ASF::Attribute attribute;
+ String name = attribute.parse(*file, 2);
+ file->d->tag->addAttribute(name, attribute);
+ }
+}
+
+ByteVector
+ASF::File::MetadataLibraryObject::render(ASF::File *file)
+{
+ data.clear();
+ data.append(ByteVector::fromShort(attributeData.size(), false));
+ data.append(attributeData.toByteVector(ByteVector::null));
+ return BaseObject::render(file);
+}
+
+ByteVector
+ASF::File::HeaderExtensionObject::guid()
+{
+ return headerExtensionGuid;
+}
+
+void
+ASF::File::HeaderExtensionObject::parse(ASF::File *file, uint /*size*/)
+{
+ file->d->headerExtensionObject = this;
+ file->seek(18, File::Current);
+ long long dataSize = file->readDWORD();
+ long long dataPos = 0;
+ while(dataPos < dataSize) {
+ ByteVector guid = file->readBlock(16);
+ long long size = file->readQWORD();
+ BaseObject *obj;
+ if(guid == metadataGuid) {
+ obj = new MetadataObject();
+ }
+ else if(guid == metadataLibraryGuid) {
+ obj = new MetadataLibraryObject();
+ }
+ else {
+ obj = new UnknownObject(guid);
+ }
+ obj->parse(file, size);
+ objects.append(obj);
+ dataPos += size;
+ }
+}
+
+ByteVector
+ASF::File::HeaderExtensionObject::render(ASF::File *file)
+{
+ data.clear();
+ for(unsigned int i = 0; i < objects.size(); i++) {
+ data.append(objects[i]->render(file));
+ }
+ data = ByteVector("\x11\xD2\xD3\xAB\xBA\xA9\xcf\x11\x8E\xE6\x00\xC0\x0C\x20\x53\x65\x06\x00", 18) + ByteVector::fromUInt(data.size(), false) + data;
+ return BaseObject::render(file);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+ASF::File::File(FileName file, bool readProperties, Properties::ReadStyle propertiesStyle)
+ : TagLib::File(file)
+{
+ d = new FilePrivate;
+ read(readProperties, propertiesStyle);
+}
+
+ASF::File::~File()
+{
+ for(unsigned int i = 0; i < d->objects.size(); i++) {
+ delete d->objects[i];
+ }
+ if(d->tag) {
+ delete d->tag;
+ }
+ if(d->properties) {
+ delete d->properties;
+ }
+ delete d;
+}
+
+ASF::Tag *ASF::File::tag() const
+{
+ return d->tag;
+}
+
+ASF::Properties *ASF::File::audioProperties() const
+{
+ return d->properties;
+}
+
+void ASF::File::read(bool /*readProperties*/, Properties::ReadStyle /*propertiesStyle*/)
+{
+ if(!isValid())
+ return;
+
+ ByteVector guid = readBlock(16);
+ if(guid != headerGuid) {
+ debug("ASF: Not an ASF file.");
+ return;
+ }
+
+ d->tag = new ASF::Tag();
+ d->properties = new ASF::Properties();
+
+ d->size = readQWORD();
+ int numObjects = readDWORD();
+ seek(2, Current);
+
+ for(int i = 0; i < numObjects; i++) {
+ ByteVector guid = readBlock(16);
+ long size = (long)readQWORD();
+ BaseObject *obj;
+ if(guid == filePropertiesGuid) {
+ obj = new FilePropertiesObject();
+ }
+ else if(guid == streamPropertiesGuid) {
+ obj = new StreamPropertiesObject();
+ }
+ else if(guid == contentDescriptionGuid) {
+ obj = new ContentDescriptionObject();
+ }
+ else if(guid == extendedContentDescriptionGuid) {
+ obj = new ExtendedContentDescriptionObject();
+ }
+ else if(guid == headerExtensionGuid) {
+ obj = new HeaderExtensionObject();
+ }
+ else {
+ obj = new UnknownObject(guid);
+ }
+ obj->parse(this, size);
+ d->objects.append(obj);
+ }
+}
+
+bool ASF::File::save()
+{
+ if(readOnly()) {
+ debug("ASF: File is read-only.");
+ return false;
+ }
+
+ if(!d->contentDescriptionObject) {
+ d->contentDescriptionObject = new ContentDescriptionObject();
+ d->objects.append(d->contentDescriptionObject);
+ }
+ if(!d->extendedContentDescriptionObject) {
+ d->extendedContentDescriptionObject = new ExtendedContentDescriptionObject();
+ d->objects.append(d->extendedContentDescriptionObject);
+ }
+ if(!d->headerExtensionObject) {
+ d->headerExtensionObject = new HeaderExtensionObject();
+ d->objects.append(d->headerExtensionObject);
+ }
+ if(!d->metadataObject) {
+ d->metadataObject = new MetadataObject();
+ d->headerExtensionObject->objects.append(d->metadataObject);
+ }
+ if(!d->metadataLibraryObject) {
+ d->metadataLibraryObject = new MetadataLibraryObject();
+ d->headerExtensionObject->objects.append(d->metadataLibraryObject);
+ }
+
+ ASF::AttributeListMap::ConstIterator it = d->tag->attributeListMap().begin();
+ for(; it != d->tag->attributeListMap().end(); it++) {
+ const String &name = it->first;
+ const AttributeList &attributes = it->second;
+ bool inExtendedContentDescriptionObject = false;
+ bool inMetadataObject = false;
+ for(unsigned int j = 0; j < attributes.size(); j++) {
+ const Attribute &attribute = attributes[j];
+ bool largeValue = attribute.dataSize() > 65535;
+ if(!inExtendedContentDescriptionObject && !largeValue && attribute.language() == 0 && attribute.stream() == 0) {
+ d->extendedContentDescriptionObject->attributeData.append(attribute.render(name));
+ inExtendedContentDescriptionObject = true;
+ }
+ else if(!inMetadataObject && !largeValue && attribute.language() == 0 && attribute.stream() != 0) {
+ d->metadataObject->attributeData.append(attribute.render(name, 1));
+ inMetadataObject = true;
+ }
+ else {
+ d->metadataLibraryObject->attributeData.append(attribute.render(name, 2));
+ }
+ }
+ }
+
+ ByteVector data;
+ for(unsigned int i = 0; i < d->objects.size(); i++) {
+ data.append(d->objects[i]->render(this));
+ }
+ data = headerGuid + ByteVector::fromLongLong(data.size() + 30, false) + ByteVector::fromUInt(d->objects.size(), false) + ByteVector("\x01\x02", 2) + data;
+ insert(data, 0, d->size);
+
+ return true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// protected members
+////////////////////////////////////////////////////////////////////////////////
+
+int ASF::File::readBYTE()
+{
+ ByteVector v = readBlock(1);
+ return v[0];
+}
+
+int ASF::File::readWORD()
+{
+ ByteVector v = readBlock(2);
+ return v.toShort(false);
+}
+
+unsigned int ASF::File::readDWORD()
+{
+ ByteVector v = readBlock(4);
+ return v.toUInt(false);
+}
+
+long long ASF::File::readQWORD()
+{
+ ByteVector v = readBlock(8);
+ return v.toLongLong(false);
+}
+
+String
+ASF::File::readString(int length)
+{
+ ByteVector data = readBlock(length);
+ unsigned int size = data.size();
+ while (size >= 2) {
+ if(data[size - 1] != '\0' || data[size - 2] != '\0') {
+ break;
+ }
+ size -= 2;
+ }
+ if(size != data.size()) {
+ data.resize(size);
+ }
+ return String(data, String::UTF16LE);
+}
+
+ByteVector
+ASF::File::renderString(const String &str, bool includeLength)
+{
+ ByteVector data = str.data(String::UTF16LE) + ByteVector::fromShort(0, false);
+ if(includeLength) {
+ data = ByteVector::fromShort(data.size(), false) + data;
+ }
+ return data;
+}
+
+#endif
projects / someplayer / blobdiff