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328 lines
11 KiB
328 lines
11 KiB
/*
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*
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* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
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* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS // needed for *_MAX macros in dvdread headers
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#endif
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#include "k3bvideodvd.h"
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#include <k3bdevice.h>
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#include <tqfile.h>
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#include <tdelocale.h>
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#include <inttypes.h> // needed by dvdreads headers
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#include <dvdread/dvd_reader.h>
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#include <dvdread/ifo_types.h>
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#include <dvdread/ifo_read.h>
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// I don't get this stuff, I should read something about VideoDVD some day...
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#define CONVERT_TIME(x) (((x & 0xf0) >> 3) * 5 + (x & 0x0f))
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#define CONVERT_FRAME(x) (((x & 0x30) >> 3) * 5 + (x & 0x0f))
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K3bVideoDVD::VideoDVD::VideoDVD()
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{
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}
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K3bVideoDVD::VideoDVD::~VideoDVD()
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{
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}
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bool K3bVideoDVD::VideoDVD::valid() const
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{
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return ( m_device != 0 );
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}
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bool K3bVideoDVD::VideoDVD::open( K3bDevice::Device* dev )
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{
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m_device = 0;
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m_titles.clear();
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//
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// Initialize libdvdread
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//
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dvd_reader_t* dvdReaderT = DVDOpen( TQFile::encodeName(dev->blockDeviceName()) );
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if( !dvdReaderT ) {
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kdDebug() << "(K3bVideoDVD) Could not open device " << dev->blockDeviceName() << endl;
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return false;
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}
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//
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// Read volume id
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//
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char v[33];
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if( DVDUDFVolumeInfo( dvdReaderT, v, 33, 0, 0 ) != 0 &&
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DVDISOVolumeInfo( dvdReaderT, v, 33, 0, 0 ) != 0 ) {
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kdDebug() << "(K3bVideoDVD) Could not read volume info." << endl;
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DVDClose( dvdReaderT );
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return false;
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}
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m_volumeIdentifier = TQString::fromLatin1( v, 32 );
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//
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// Open the VMG info
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//
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ifo_handle_t* vmg = ifoOpen( dvdReaderT, 0 );
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if( !vmg ) {
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kdDebug() << "(K3bVideoDVD) Can't open VMG info." << endl;
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DVDClose( dvdReaderT );
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return false;
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}
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//
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// parse titles
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//
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m_titles.resize( vmg->tt_srpt->nr_of_srpts );
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for( unsigned int i = 0; i < vmg->tt_srpt->nr_of_srpts; ++i ) {
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title_info_t& title = vmg->tt_srpt->title[i];
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// m_titles[i].m_videoDVD = this;
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//
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// general title info
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//
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m_titles[i].m_titleNum = i+1;
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m_titles[i].m_numPTTs = title.nr_of_ptts;
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m_titles[i].m_numAngles = title.nr_of_angles;
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m_titles[i].m_titleSet = title.title_set_nr;
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m_titles[i].m_ttn = title.vts_ttn;
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//
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// Open the title set the current title is a part of
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//
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ifo_handle_t* titleIfo = ifoOpen( dvdReaderT, vmg->tt_srpt->title[i].title_set_nr );
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if( !titleIfo ) {
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kdDebug() << "(K3bVideoDVD) Can't open Title ifo." << endl;
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ifoClose( vmg );
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DVDClose( dvdReaderT );
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return false;
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}
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//
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// Length of this title
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//
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// the program chain number of the first partoftitle of the current title (FIXME: but a title may contain multiple pgcs)
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int pgc_id = titleIfo->vts_ptt_srpt->title[ m_titles[i].ttn() - 1 ].ptt[0].pgcn;
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// (first?) program chain of the first partoftitle of the current title
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pgc_t* cur_pgc = titleIfo->vts_pgcit->pgci_srp[ pgc_id - 1 ].pgc;
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m_titles[i].m_playbackTime = Time( CONVERT_TIME(cur_pgc->playback_time.hour),
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CONVERT_TIME(cur_pgc->playback_time.minute),
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CONVERT_TIME(cur_pgc->playback_time.second),
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CONVERT_FRAME(cur_pgc->playback_time.frame_u) );
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//
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// Video stream information
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//
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m_titles[i].m_videoStream.m_permittedDf = titleIfo->vtsi_mat->vts_video_attr.permitted_df;
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m_titles[i].m_videoStream.m_displayAspectRatio = titleIfo->vtsi_mat->vts_video_attr.display_aspect_ratio;
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m_titles[i].m_videoStream.m_videoFormat = titleIfo->vtsi_mat->vts_video_attr.video_format;
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m_titles[i].m_videoStream.m_mpegVersion = titleIfo->vtsi_mat->vts_video_attr.mpeg_version;
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m_titles[i].m_videoStream.m_filmMode = titleIfo->vtsi_mat->vts_video_attr.film_mode;
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m_titles[i].m_videoStream.m_letterboxed = titleIfo->vtsi_mat->vts_video_attr.letterboxed;
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m_titles[i].m_videoStream.m_pictureSize = titleIfo->vtsi_mat->vts_video_attr.picture_size;
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m_titles[i].m_videoStream.m_bitRate = titleIfo->vtsi_mat->vts_video_attr.bit_rate;
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//
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// Audio stream information
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//
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m_titles[i].m_audioStreams.resize( titleIfo->vtsi_mat->nr_of_vts_audio_streams );
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for( unsigned int j = 0; j < titleIfo->vtsi_mat->nr_of_vts_audio_streams; ++j ) {
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m_titles[i].m_audioStreams[j].m_format = titleIfo->vtsi_mat->vts_audio_attr[j].audio_format;
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m_titles[i].m_audioStreams[j].m_applicationMode = titleIfo->vtsi_mat->vts_audio_attr[j].application_mode;
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m_titles[i].m_audioStreams[j].m_quantization = titleIfo->vtsi_mat->vts_audio_attr[j].quantization;
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m_titles[i].m_audioStreams[j].m_sampleFrequency = titleIfo->vtsi_mat->vts_audio_attr[j].sample_frequency;
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m_titles[i].m_audioStreams[j].m_codeExtension = titleIfo->vtsi_mat->vts_audio_attr[j].code_extension;
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m_titles[i].m_audioStreams[j].m_multiChannelExt = titleIfo->vtsi_mat->vts_audio_attr[j].multichannel_extension;
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m_titles[i].m_audioStreams[j].m_channels = titleIfo->vtsi_mat->vts_audio_attr[j].channels+1;
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if( titleIfo->vtsi_mat->vts_audio_attr[j].lang_type == 1 )
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m_titles[i].m_audioStreams[j].m_langCode.sprintf( "%c%c",
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titleIfo->vtsi_mat->vts_audio_attr[j].lang_code>>8,
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titleIfo->vtsi_mat->vts_audio_attr[j].lang_code & 0xff );
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else
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m_titles[i].m_audioStreams[j].m_langCode = TQString();
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}
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//
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// SubPicture stream information
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//
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m_titles[i].m_subPictureStreams.resize( titleIfo->vtsi_mat->nr_of_vts_subp_streams );
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for( unsigned int j = 0; j < titleIfo->vtsi_mat->nr_of_vts_subp_streams; ++j ) {
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m_titles[i].m_subPictureStreams[j].m_codeMode = titleIfo->vtsi_mat->vts_subp_attr[j].code_mode;
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m_titles[i].m_subPictureStreams[j].m_codeExtension = titleIfo->vtsi_mat->vts_subp_attr[j].code_extension;
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if( titleIfo->vtsi_mat->vts_subp_attr[j].type == 1 )
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m_titles[i].m_subPictureStreams[j].m_langCode.sprintf( "%c%c",
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titleIfo->vtsi_mat->vts_subp_attr[j].lang_code>>8,
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titleIfo->vtsi_mat->vts_subp_attr[j].lang_code & 0xff );
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else
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m_titles[i].m_subPictureStreams[j].m_langCode = TQString();
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}
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//
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// add chapter info
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//
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m_titles[i].m_ptts.resize( m_titles[i].numPTTs() );
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for( unsigned int j = 0; j < m_titles[i].numPTTs(); ++j ) {
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m_titles[i].m_ptts[j].m_pttNum = j+1;
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m_titles[i].m_ptts[j].m_playbackTime = Time( CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.hour),
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CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.minute),
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CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.second),
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CONVERT_FRAME(cur_pgc->cell_playback[j].playback_time.frame_u) );
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m_titles[i].m_ptts[j].m_firstSector = cur_pgc->cell_playback[j].first_sector;
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m_titles[i].m_ptts[j].m_lastSector = cur_pgc->cell_playback[j].last_sector;
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}
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ifoClose( titleIfo );
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}
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ifoClose( vmg );
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DVDClose( dvdReaderT );
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//
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// Setting the device makes this a valid instance
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//
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m_device = dev;
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return true;
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}
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const K3bVideoDVD::Title& K3bVideoDVD::VideoDVD::title( unsigned int num ) const
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{
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return m_titles[num];
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}
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const K3bVideoDVD::Title& K3bVideoDVD::VideoDVD::operator[]( unsigned int num ) const
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{
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return title( num );
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}
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void K3bVideoDVD::VideoDVD::debug() const
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{
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kdDebug() << "VideoDVD information:" << endl
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<< "=====================" << endl
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<< "Volume ID: " << volumeIdentifier() << endl << endl;
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for( unsigned int i = 0; i < numTitles(); ++i ) {
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kdDebug() << "Title " << title(i).titleNumber() << " (" << title(i).playbackTime().toString() << ")" << endl
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<< " Chapters: " << title(i).numPTTs() << endl
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<< " Angles: " << title(i).numAngles() << endl
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<< " VTS,TTN: " << title(i).titleSet() << "," << title(i).ttn() << endl
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<< " Audio Streams:" << endl;
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for( unsigned int j = 0; j < title(i).numAudioStreams(); ++j )
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kdDebug() << " " << title(i).audioStream(j).langCode() << ": "
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<< audioFormatString( title(i).audioStream(j).format() ) << ", "
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<< audioCodeExtensionString( title(i).audioStream(j).codeExtension() ) << endl;
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kdDebug() << " SubPicture Streams:" << endl;
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for( unsigned int j = 0; j < title(i).numSubPictureStreams(); ++j )
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kdDebug() << " " << title(i).subPictureStream(j).langCode() << ": "
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<< subPictureCodeModeString( title(i).subPictureStream(j).codeMode() ) << ", "
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<< subPictureCodeExtensionString( title(i).subPictureStream(j).codeExtension() ) << endl;
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}
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}
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TQString K3bVideoDVD::audioFormatString( int format )
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{
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switch( format ) {
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case AUDIO_FORMAT_AC3:
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return i18n("AC3");
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case AUDIO_FORMAT_MPEG1:
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return i18n("MPEG1");
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case AUDIO_FORMAT_MPEG2EXT:
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return i18n("MPEG2 Extended");
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case AUDIO_FORMAT_LPCM:
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return i18n("LPCM");
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case AUDIO_FORMAT_DTS:
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return i18n("DTS");
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default:
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return i18n("unknown audio format");
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}
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}
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TQString K3bVideoDVD::audioCodeExtensionString( int ext )
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{
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switch( ext ) {
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case AUDIO_CODE_EXT_UNSPECIFIED:
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return i18n("Unspecified");
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case AUDIO_CODE_EXT_NORMAL:
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return i18n("Normal");
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case AUDIO_CODE_EXT_VISUALLY_IMPAIRED:
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return i18n("For the visually impaired");
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case AUDIO_CODE_EXT_DIR_COMMENTS_1:
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return i18n("Director's comments 1");
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case AUDIO_CODE_EXT_DIR_COMMENTS_2:
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return i18n("Director's comments 2");
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default:
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return i18n("unknown audio code extension");
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}
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}
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TQString K3bVideoDVD::subPictureCodeModeString( int mode )
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{
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switch( mode ) {
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case SUBPIC_CODE_MODE_RLE:
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return i18n("RLE");
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case SUBPIC_CODE_MODE_EXT:
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return i18n("Extended");
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default:
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return i18n("unknown coding mode");
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}
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}
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TQString K3bVideoDVD::subPictureCodeExtensionString( int ext )
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{
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switch( ext ) {
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case SUBPIC_CODE_EXT_UNSPECIFIED:
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return i18n("Unspecified");
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case SUBPIC_CODE_EXT_CAPTION_NORMAL_SIZE:
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return i18n("Caption with normal size character");
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case SUBPIC_CODE_EXT_CAPTION_BIGGER_SIZE:
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return i18n("Caption with bigger size character");
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case SUBPIC_CODE_EXT_CAPTION_FOR_CHILDREN:
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return i18n("Caption for children");
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case SUBPIC_CODE_EXT_CLOSED_CAPTION_NORMAL_SIZE:
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return i18n("Closed caption with normal size character");
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case SUBPIC_CODE_EXT_CLOSED_CAPTION_BIGGER_SIZE:
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return i18n("Closed caption with bigger size character");
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case SUBPIC_CODE_EXT_CLOSED_CAPTION_FOR_CHILDREN:
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return i18n("Closed caption for children");
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case SUBPIC_CODE_EXT_FORCED_CAPTION:
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return i18n("Forced caption");
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case SUBPIC_CODE_EXT_DIR_COMMENTS_NORMAL_SIZE:
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return i18n("Director's comments with normal size characters");
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case SUBPIC_CODE_EXT_DIR_COMMENTS_BIGGER_SIZE:
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return i18n("Director's comments with bigger size characters");
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case SUBPIC_CODE_EXT_DIR_COMMENTS_FOR_CHILDREN:
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return i18n("Director's comments for children");
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default:
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return i18n("unknown code extension");
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}
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}
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