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k3b/kioslaves/videodvd/videodvd.cpp

408 lines
9.7 KiB

/*
*
* $Id: sourceheader 380067 2005-01-19 13:03:46Z trueg $
* Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include <config.h>
#include <tqcstring.h>
#include <tqdatetime.h>
#include <tqbitarray.h>
#include <tqptrlist.h>
#include <kdebug.h>
#include <kinstance.h>
#include <kglobal.h>
#include <klocale.h>
#include <kurl.h>
#include <stdlib.h>
#include <k3bdevicemanager.h>
#include <k3bdevice.h>
#include <k3biso9660.h>
#include <k3biso9660backend.h>
#include <k3b_export.h>
#include "videodvd.h"
using namespace KIO;
extern "C"
{
LIBK3B_EXPORT int kdemain( int argc, char **argv )
{
TDEInstance instance( "kio_videodvd" );
kdDebug(7101) << "*** Starting kio_videodvd " << endl;
if (argc != 4)
{
kdDebug(7101) << "Usage: kio_videodvd protocol domain-socket1 domain-socket2" << endl;
exit(-1);
}
kio_videodvdProtocol slave(argv[2], argv[3]);
slave.dispatchLoop();
kdDebug(7101) << "*** kio_videodvd Done" << endl;
return 0;
}
}
// FIXME: Does it really make sense to use a static device manager? Are all instances
// of videodvd started in another process?
K3bDevice::DeviceManager* kio_videodvdProtocol::s_deviceManager = 0;
int kio_videodvdProtocol::s_instanceCnt = 0;
kio_videodvdProtocol::kio_videodvdProtocol(const TQCString &pool_socket, const TQCString &app_socket)
: SlaveBase("kio_videodvd", pool_socket, app_socket)
{
kdDebug() << "kio_videodvdProtocol::kio_videodvdProtocol()" << endl;
if( !s_deviceManager )
{
s_deviceManager = new K3bDevice::DeviceManager();
s_deviceManager->setCheckWritingModes( false );
s_deviceManager->scanBus();
}
s_instanceCnt++;
}
kio_videodvdProtocol::~kio_videodvdProtocol()
{
kdDebug() << "kio_videodvdProtocol::~kio_videodvdProtocol()" << endl;
s_instanceCnt--;
if( s_instanceCnt == 0 )
{
delete s_deviceManager;
s_deviceManager = 0;
}
}
KIO::UDSEntry kio_videodvdProtocol::createUDSEntry( const K3bIso9660Entry* e ) const
{
KIO::UDSEntry uds;
KIO::UDSAtom a;
a.m_uds = KIO::UDS_NAME;
a.m_str = e->name();
uds.append( a );
a.m_uds = KIO::UDS_ACCESS;
a.m_long = e->permissions();
uds.append( a );
a.m_uds = KIO::UDS_CREATION_TIME;
a.m_long = e->date();
uds.append( a );
a.m_uds = KIO::UDS_MODIFICATION_TIME;
a.m_long = e->date();
uds.append( a );
if( e->isDirectory() )
{
a.m_uds = KIO::UDS_FILE_TYPE;
a.m_long = S_IFDIR;
uds.append( a );
a.m_uds = KIO::UDS_MIME_TYPE;
a.m_str = "inode/directory";
uds.append( a );
}
else
{
const K3bIso9660File* file = static_cast<const K3bIso9660File*>( e );
a.m_uds = KIO::UDS_SIZE;
a.m_long = file->size();
uds.append( a );
a.m_uds = KIO::UDS_FILE_TYPE;
a.m_long = S_IFREG;
uds.append( a );
a.m_uds = KIO::UDS_MIME_TYPE;
if( e->name().endsWith( "VOB" ) )
a.m_str = "video/mpeg";
else
a.m_str = "unknown";
uds.append( a );
}
return uds;
}
// FIXME: remember the iso instance for quicker something and search for the videodvd
// in the available devices.
K3bIso9660* kio_videodvdProtocol::openIso( const KURL& url, TQString& plainIsoPath )
{
// get the volume id from the url
TQString volumeId = url.path().section( '/', 1, 1 );
kdDebug() << "(kio_videodvdProtocol) searching for Video dvd: " << volumeId << endl;
// now search the devices for this volume id
// FIXME: use the cache created in listVideoDVDs
for( TQPtrListIterator<K3bDevice::Device> it( s_deviceManager->dvdReader() ); *it; ++it ) {
K3bDevice::Device* dev = *it;
K3bDevice::DiskInfo di = dev->diskInfo();
// we search for a DVD with a single track.
// this time let K3bIso9660 decide if we need dvdcss or not
// FIXME: check for encryption and libdvdcss and report an error
if( di.isDvdMedia() && di.numTracks() == 1 ) {
K3bIso9660* iso = new K3bIso9660( dev );
iso->setPlainIso9660( true );
if( iso->open() && iso->primaryDescriptor().volumeId == volumeId ) {
plainIsoPath = url.path().section( "/", 2, -1 ) + "/";
kdDebug() << "(kio_videodvdProtocol) using iso path: " << plainIsoPath << endl;
return iso;
}
delete iso;
}
}
error( ERR_SLAVE_DEFINED, i18n("No VideoDVD found") );
return 0;
}
void kio_videodvdProtocol::get(const KURL& url )
{
kdDebug() << "kio_videodvd::get(const KURL& url)" << endl ;
TQString isoPath;
if( K3bIso9660* iso = openIso( url, isoPath ) )
{
const K3bIso9660Entry* e = iso->firstIsoDirEntry()->entry( isoPath );
if( e && e->isFile() )
{
const K3bIso9660File* file = static_cast<const K3bIso9660File*>( e );
totalSize( file->size() );
TQByteArray buffer( 10*2048 );
int read = 0;
int cnt = 0;
KIO::filesize_t totalRead = 0;
while( (read = file->read( totalRead, buffer.data(), buffer.size() )) > 0 )
{
buffer.resize( read );
data(buffer);
++cnt;
totalRead += read;
if( cnt == 10 )
{
cnt = 0;
processedSize( totalRead );
}
}
delete iso;
data(TQByteArray()); // empty array means we're done sending the data
if( read == 0 )
finished();
else
error( ERR_SLAVE_DEFINED, i18n("Read error.") );
}
else
error( ERR_DOES_NOT_EXIST, url.path() );
}
}
void kio_videodvdProtocol::listDir( const KURL& url )
{
if( url.path() == "/" ) {
listVideoDVDs();
}
else {
TQString isoPath;
K3bIso9660* iso = openIso( url, isoPath );
if( iso ) {
const K3bIso9660Directory* mainDir = iso->firstIsoDirEntry();
const K3bIso9660Entry* e = mainDir->entry( isoPath );
if( e ) {
if( e->isDirectory() ) {
const K3bIso9660Directory* dir = static_cast<const K3bIso9660Directory*>(e);
TQStringList el = dir->entries();
el.remove( "." );
el.remove( ".." );
UDSEntryList udsl;
for( TQStringList::const_iterator it = el.begin(); it != el.end(); ++it )
udsl.append( createUDSEntry( dir->entry( *it ) ) );
listEntries( udsl );
finished();
}
else {
error( ERR_CANNOT_ENTER_DIRECTORY, url.path() );
}
}
else {
error( ERR_CANNOT_ENTER_DIRECTORY, url.path() );
}
// for testing we always do the whole thing
delete iso;
}
}
}
void kio_videodvdProtocol::listVideoDVDs()
{
int cnt = 0;
for( TQPtrListIterator<K3bDevice::Device> it( s_deviceManager->dvdReader() ); *it; ++it ) {
K3bDevice::Device* dev = *it;
K3bDevice::DiskInfo di = dev->diskInfo();
// we search for a DVD with a single track.
if( di.isDvdMedia() && di.numTracks() == 1 ) {
//
// now do a quick check for VideoDVD.
// - no dvdcss for speed
// - only a check for the VIDEO_TS dir
//
K3bIso9660 iso( new K3bIso9660DeviceBackend(dev) );
iso.setPlainIso9660( true );
if( iso.open() && iso.firstIsoDirEntry()->entry( "VIDEO_TS" ) ) {
// FIXME: cache the entry for speedup
UDSEntryList udsl;
KIO::UDSEntry uds;
KIO::UDSAtom a;
a.m_uds = KIO::UDS_NAME;
a.m_str = iso.primaryDescriptor().volumeId;
uds.append( a );
a.m_uds = KIO::UDS_FILE_TYPE;
a.m_long = S_IFDIR;
uds.append( a );
a.m_uds = KIO::UDS_MIME_TYPE;
a.m_str = "inode/directory";
uds.append( a );
a.m_uds = KIO::UDS_ICON_NAME;
a.m_str = "dvd_unmount";
uds.append( a );
udsl.append( uds );
listEntries( udsl );
++cnt;
}
}
}
if( cnt )
finished();
else
error( ERR_SLAVE_DEFINED, i18n("No VideoDVD found") );
}
void kio_videodvdProtocol::stat( const KURL& url )
{
if( url.path() == "/" ) {
//
// stat the root path
//
KIO::UDSEntry uds;
KIO::UDSAtom a;
a.m_uds = KIO::UDS_NAME;
a.m_str = "/";
uds.append( a );
a.m_uds = KIO::UDS_FILE_TYPE;
a.m_long = S_IFDIR;
uds.append( a );
a.m_uds = KIO::UDS_MIME_TYPE;
a.m_str = "inode/directory";
uds.append( a );
statEntry( uds );
finished();
}
else {
TQString isoPath;
K3bIso9660* iso = openIso( url, isoPath );
if( iso ) {
const K3bIso9660Entry* e = iso->firstIsoDirEntry()->entry( isoPath );
if( e ) {
statEntry( createUDSEntry( e ) );
finished();
}
else
error( ERR_DOES_NOT_EXIST, url.path() );
delete iso;
}
}
}
// FIXME: when does this get called? It seems not to be used for the files.
void kio_videodvdProtocol::mimetype( const KURL& url )
{
if( url.path() == "/" ) {
error( ERR_UNSUPPORTED_ACTION, "mimetype(/)" );
return;
}
TQString isoPath;
K3bIso9660* iso = openIso( url, isoPath );
if( iso )
{
const K3bIso9660Entry* e = iso->firstIsoDirEntry()->entry( isoPath );
if( e )
{
if( e->isDirectory() )
mimeType( "inode/directory" );
else if( e->name().endsWith( ".VOB" ) )
{
mimetype( "video/mpeg" );
}
else
{
// send some data
const K3bIso9660File* file = static_cast<const K3bIso9660File*>( e );
TQByteArray buffer( 10*2048 );
int read = file->read( 0, buffer.data(), buffer.size() );
if( read > 0 )
{
buffer.resize( read );
data(buffer);
data(TQByteArray());
finished();
// FIXME: do we need to emit finished() after emitting the end of data()?
}
else
error( ERR_SLAVE_DEFINED, i18n("Read error.") );
}
}
delete iso;
}
}