diff options
Diffstat (limited to 'libk3b/videodvd/k3bvideodvd.cpp')
| -rw-r--r-- | libk3b/videodvd/k3bvideodvd.cpp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/libk3b/videodvd/k3bvideodvd.cpp b/libk3b/videodvd/k3bvideodvd.cpp new file mode 100644 index 0000000..8692c04 --- /dev/null +++ b/libk3b/videodvd/k3bvideodvd.cpp @@ -0,0 +1,327 @@ +/* + * + * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $ + * Copyright (C) 2006 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. + */ + + +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS // needed for *_MAX macros in dvdread headers +#endif + +#include "k3bvideodvd.h" + +#include <k3bdevice.h> + +#include <qfile.h> + +#include <klocale.h> + +#include <inttypes.h> // needed by dvdreads headers +#include <dvdread/dvd_reader.h> +#include <dvdread/ifo_types.h> +#include <dvdread/ifo_read.h> + + +// I don't get this stuff, I should read something about VideoDVD some day... +#define CONVERT_TIME(x) (((x & 0xf0) >> 3) * 5 + (x & 0x0f)) +#define CONVERT_FRAME(x) (((x & 0x30) >> 3) * 5 + (x & 0x0f)) + + +K3bVideoDVD::VideoDVD::VideoDVD() +{ +} + + +K3bVideoDVD::VideoDVD::~VideoDVD() +{ +} + + +bool K3bVideoDVD::VideoDVD::valid() const +{ + return ( m_device != 0 ); +} + + +bool K3bVideoDVD::VideoDVD::open( K3bDevice::Device* dev ) +{ + m_device = 0; + m_titles.clear(); + + // + // Initialize libdvdread + // + dvd_reader_t* dvdReaderT = DVDOpen( QFile::encodeName(dev->blockDeviceName()) ); + if( !dvdReaderT ) { + kdDebug() << "(K3bVideoDVD) Could not open device " << dev->blockDeviceName() << endl; + return false; + } + + // + // Read volume id + // + char v[33]; + if( DVDUDFVolumeInfo( dvdReaderT, v, 33, 0, 0 ) != 0 && + DVDISOVolumeInfo( dvdReaderT, v, 33, 0, 0 ) != 0 ) { + kdDebug() << "(K3bVideoDVD) Could not read volume info." << endl; + DVDClose( dvdReaderT ); + return false; + } + m_volumeIdentifier = QString::fromLatin1( v, 32 ); + + // + // Open the VMG info + // + ifo_handle_t* vmg = ifoOpen( dvdReaderT, 0 ); + if( !vmg ) { + kdDebug() << "(K3bVideoDVD) Can't open VMG info." << endl; + DVDClose( dvdReaderT ); + return false; + } + + // + // parse titles + // + m_titles.resize( vmg->tt_srpt->nr_of_srpts ); + for( unsigned int i = 0; i < vmg->tt_srpt->nr_of_srpts; ++i ) { + title_info_t& title = vmg->tt_srpt->title[i]; + + // m_titles[i].m_videoDVD = this; + + // + // general title info + // + m_titles[i].m_titleNum = i+1; + m_titles[i].m_numPTTs = title.nr_of_ptts; + m_titles[i].m_numAngles = title.nr_of_angles; + m_titles[i].m_titleSet = title.title_set_nr; + m_titles[i].m_ttn = title.vts_ttn; + + // + // Open the title set the current title is a part of + // + ifo_handle_t* titleIfo = ifoOpen( dvdReaderT, vmg->tt_srpt->title[i].title_set_nr ); + if( !titleIfo ) { + kdDebug() << "(K3bVideoDVD) Can't open Title ifo." << endl; + ifoClose( vmg ); + DVDClose( dvdReaderT ); + return false; + } + + // + // Length of this title + // + // the program chain number of the first partoftitle of the current title (FIXME: but a title may contain multiple pgcs) + int pgc_id = titleIfo->vts_ptt_srpt->title[ m_titles[i].ttn() - 1 ].ptt[0].pgcn; + // (first?) program chain of the first partoftitle of the current title + pgc_t* cur_pgc = titleIfo->vts_pgcit->pgci_srp[ pgc_id - 1 ].pgc; + + m_titles[i].m_playbackTime = Time( CONVERT_TIME(cur_pgc->playback_time.hour), + CONVERT_TIME(cur_pgc->playback_time.minute), + CONVERT_TIME(cur_pgc->playback_time.second), + CONVERT_FRAME(cur_pgc->playback_time.frame_u) ); + + // + // Video stream information + // + m_titles[i].m_videoStream.m_permittedDf = titleIfo->vtsi_mat->vts_video_attr.permitted_df; + m_titles[i].m_videoStream.m_displayAspectRatio = titleIfo->vtsi_mat->vts_video_attr.display_aspect_ratio; + m_titles[i].m_videoStream.m_videoFormat = titleIfo->vtsi_mat->vts_video_attr.video_format; + m_titles[i].m_videoStream.m_mpegVersion = titleIfo->vtsi_mat->vts_video_attr.mpeg_version; + m_titles[i].m_videoStream.m_filmMode = titleIfo->vtsi_mat->vts_video_attr.film_mode; + m_titles[i].m_videoStream.m_letterboxed = titleIfo->vtsi_mat->vts_video_attr.letterboxed; + m_titles[i].m_videoStream.m_pictureSize = titleIfo->vtsi_mat->vts_video_attr.picture_size; + m_titles[i].m_videoStream.m_bitRate = titleIfo->vtsi_mat->vts_video_attr.bit_rate; + + // + // Audio stream information + // + m_titles[i].m_audioStreams.resize( titleIfo->vtsi_mat->nr_of_vts_audio_streams ); + for( unsigned int j = 0; j < titleIfo->vtsi_mat->nr_of_vts_audio_streams; ++j ) { + m_titles[i].m_audioStreams[j].m_format = titleIfo->vtsi_mat->vts_audio_attr[j].audio_format; + m_titles[i].m_audioStreams[j].m_applicationMode = titleIfo->vtsi_mat->vts_audio_attr[j].application_mode; + m_titles[i].m_audioStreams[j].m_quantization = titleIfo->vtsi_mat->vts_audio_attr[j].quantization; + m_titles[i].m_audioStreams[j].m_sampleFrequency = titleIfo->vtsi_mat->vts_audio_attr[j].sample_frequency; + m_titles[i].m_audioStreams[j].m_codeExtension = titleIfo->vtsi_mat->vts_audio_attr[j].code_extension; + m_titles[i].m_audioStreams[j].m_multiChannelExt = titleIfo->vtsi_mat->vts_audio_attr[j].multichannel_extension; + m_titles[i].m_audioStreams[j].m_channels = titleIfo->vtsi_mat->vts_audio_attr[j].channels+1; + if( titleIfo->vtsi_mat->vts_audio_attr[j].lang_type == 1 ) + m_titles[i].m_audioStreams[j].m_langCode.sprintf( "%c%c", + titleIfo->vtsi_mat->vts_audio_attr[j].lang_code>>8, + titleIfo->vtsi_mat->vts_audio_attr[j].lang_code & 0xff ); + else + m_titles[i].m_audioStreams[j].m_langCode = QString::null; + } + + // + // SubPicture stream information + // + m_titles[i].m_subPictureStreams.resize( titleIfo->vtsi_mat->nr_of_vts_subp_streams ); + for( unsigned int j = 0; j < titleIfo->vtsi_mat->nr_of_vts_subp_streams; ++j ) { + m_titles[i].m_subPictureStreams[j].m_codeMode = titleIfo->vtsi_mat->vts_subp_attr[j].code_mode; + m_titles[i].m_subPictureStreams[j].m_codeExtension = titleIfo->vtsi_mat->vts_subp_attr[j].code_extension; + if( titleIfo->vtsi_mat->vts_subp_attr[j].type == 1 ) + m_titles[i].m_subPictureStreams[j].m_langCode.sprintf( "%c%c", + titleIfo->vtsi_mat->vts_subp_attr[j].lang_code>>8, + titleIfo->vtsi_mat->vts_subp_attr[j].lang_code & 0xff ); + else + m_titles[i].m_subPictureStreams[j].m_langCode = QString::null; + } + + // + // add chapter info + // + m_titles[i].m_ptts.resize( m_titles[i].numPTTs() ); + for( unsigned int j = 0; j < m_titles[i].numPTTs(); ++j ) { + m_titles[i].m_ptts[j].m_pttNum = j+1; + m_titles[i].m_ptts[j].m_playbackTime = Time( CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.hour), + CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.minute), + CONVERT_TIME(cur_pgc->cell_playback[j].playback_time.second), + CONVERT_FRAME(cur_pgc->cell_playback[j].playback_time.frame_u) ); + m_titles[i].m_ptts[j].m_firstSector = cur_pgc->cell_playback[j].first_sector; + m_titles[i].m_ptts[j].m_lastSector = cur_pgc->cell_playback[j].last_sector; + } + + ifoClose( titleIfo ); + } + + ifoClose( vmg ); + DVDClose( dvdReaderT ); + + // + // Setting the device makes this a valid instance + // + m_device = dev; + + return true; +} + + +const K3bVideoDVD::Title& K3bVideoDVD::VideoDVD::title( unsigned int num ) const +{ + return m_titles[num]; +} + + +const K3bVideoDVD::Title& K3bVideoDVD::VideoDVD::operator[]( unsigned int num ) const +{ + return title( num ); +} + + +void K3bVideoDVD::VideoDVD::debug() const +{ + kdDebug() << "VideoDVD information:" << endl + << "=====================" << endl + << "Volume ID: " << volumeIdentifier() << endl << endl; + + for( unsigned int i = 0; i < numTitles(); ++i ) { + kdDebug() << "Title " << title(i).titleNumber() << " (" << title(i).playbackTime().toString() << ")" << endl + << " Chapters: " << title(i).numPTTs() << endl + << " Angles: " << title(i).numAngles() << endl + << " VTS,TTN: " << title(i).titleSet() << "," << title(i).ttn() << endl + << " Audio Streams:" << endl; + for( unsigned int j = 0; j < title(i).numAudioStreams(); ++j ) + kdDebug() << " " << title(i).audioStream(j).langCode() << ": " + << audioFormatString( title(i).audioStream(j).format() ) << ", " + << audioCodeExtensionString( title(i).audioStream(j).codeExtension() ) << endl; + kdDebug() << " SubPicture Streams:" << endl; + for( unsigned int j = 0; j < title(i).numSubPictureStreams(); ++j ) + kdDebug() << " " << title(i).subPictureStream(j).langCode() << ": " + << subPictureCodeModeString( title(i).subPictureStream(j).codeMode() ) << ", " + << subPictureCodeExtensionString( title(i).subPictureStream(j).codeExtension() ) << endl; + } +} + + +QString K3bVideoDVD::audioFormatString( int format ) +{ + switch( format ) { + case AUDIO_FORMAT_AC3: + return i18n("AC3"); + case AUDIO_FORMAT_MPEG1: + return i18n("MPEG1"); + case AUDIO_FORMAT_MPEG2EXT: + return i18n("MPEG2 Extended"); + case AUDIO_FORMAT_LPCM: + return i18n("LPCM"); + case AUDIO_FORMAT_DTS: + return i18n("DTS"); + default: + return i18n("unknown audio format"); + } +} + + +QString K3bVideoDVD::audioCodeExtensionString( int ext ) +{ + switch( ext ) { + case AUDIO_CODE_EXT_UNSPECIFIED: + return i18n("Unspecified"); + case AUDIO_CODE_EXT_NORMAL: + return i18n("Normal"); + case AUDIO_CODE_EXT_VISUALLY_IMPAIRED: + return i18n("For the visually impaired"); + case AUDIO_CODE_EXT_DIR_COMMENTS_1: + return i18n("Director's comments 1"); + case AUDIO_CODE_EXT_DIR_COMMENTS_2: + return i18n("Director's comments 2"); + default: + return i18n("unknown audio code extension"); + } +} + + +QString K3bVideoDVD::subPictureCodeModeString( int mode ) +{ + switch( mode ) { + case SUBPIC_CODE_MODE_RLE: + return i18n("RLE"); + case SUBPIC_CODE_MODE_EXT: + return i18n("Extended"); + default: + return i18n("unknown coding mode"); + } +} + + +QString K3bVideoDVD::subPictureCodeExtensionString( int ext ) +{ + switch( ext ) { + case SUBPIC_CODE_EXT_UNSPECIFIED: + return i18n("Unspecified"); + case SUBPIC_CODE_EXT_CAPTION_NORMAL_SIZE: + return i18n("Caption with normal size character"); + case SUBPIC_CODE_EXT_CAPTION_BIGGER_SIZE: + return i18n("Caption with bigger size character"); + case SUBPIC_CODE_EXT_CAPTION_FOR_CHILDREN: + return i18n("Caption for children"); + case SUBPIC_CODE_EXT_CLOSED_CAPTION_NORMAL_SIZE: + return i18n("Closed caption with normal size character"); + case SUBPIC_CODE_EXT_CLOSED_CAPTION_BIGGER_SIZE: + return i18n("Closed caption with bigger size character"); + case SUBPIC_CODE_EXT_CLOSED_CAPTION_FOR_CHILDREN: + return i18n("Closed caption for children"); + case SUBPIC_CODE_EXT_FORCED_CAPTION: + return i18n("Forced caption"); + case SUBPIC_CODE_EXT_DIR_COMMENTS_NORMAL_SIZE: + return i18n("Director's comments with normal size characters"); + case SUBPIC_CODE_EXT_DIR_COMMENTS_BIGGER_SIZE: + return i18n("Director's comments with bigger size characters"); + case SUBPIC_CODE_EXT_DIR_COMMENTS_FOR_CHILDREN: + return i18n("Director's comments for children"); + default: + return i18n("unknown code extension"); + } +} + |