matroska_segment_parse.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:42k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * mkv.cpp : matroska demuxer
- *****************************************************************************
- * Copyright (C) 2003-2004 the VideoLAN team
- * $Id: 33fffa5023799f8dc33774c9cb31935f51f37086 $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Steve Lhomme <steve.lhomme@free.fr>
- *
- * 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.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #include "matroska_segment.hpp"
- #include "chapters.hpp"
- #include "demux.hpp"
- /*****************************************************************************
- * Some functions to manipulate memory
- *****************************************************************************/
- static inline char * ToUTF8( const UTFstring &u )
- {
- return strdup( u.GetUTF8().c_str() );
- }
- /*****************************************************************************
- * ParseSeekHead:
- *****************************************************************************/
- void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
- {
- EbmlParser *ep;
- EbmlElement *l;
- bool b_seekable;
- i_seekhead_count++;
- stream_Control( sys.demuxer.s, STREAM_CAN_SEEK, &b_seekable );
- if( !b_seekable )
- return;
- ep = new EbmlParser( &es, seekhead, &sys.demuxer );
- while( ( l = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( l, KaxSeek ) )
- {
- EbmlId id = EbmlVoid::ClassInfos.GlobalId;
- int64_t i_pos = -1;
- msg_Dbg( &sys.demuxer, "| | + Seek" );
- ep->Down();
- while( ( l = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( l, KaxSeekID ) )
- {
- KaxSeekID &sid = *(KaxSeekID*)l;
- sid.ReadData( es.I_O() );
- id = EbmlId( sid.GetBuffer(), sid.GetSize() );
- }
- else if( MKV_IS_ID( l, KaxSeekPosition ) )
- {
- KaxSeekPosition &spos = *(KaxSeekPosition*)l;
- spos.ReadData( es.I_O() );
- i_pos = (int64_t)segment->GetGlobalPosition( uint64( spos ) );
- }
- else
- {
- /* Many mkvmerge files hit this case. It seems to be a broken SeekHead */
- msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- ep->Up();
- if( i_pos >= 0 )
- {
- if( id == KaxCues::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - cues at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxCues::ClassInfos, i_pos );
- }
- else if( id == KaxInfo::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - info at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxInfo::ClassInfos, i_pos );
- }
- else if( id == KaxChapters::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - chapters at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxChapters::ClassInfos, i_pos );
- }
- else if( id == KaxTags::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - tags at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxTags::ClassInfos, i_pos );
- }
- else if( id == KaxSeekHead::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - chained seekhead at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxSeekHead::ClassInfos, i_pos );
- }
- else if( id == KaxTracks::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - tracks at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxTracks::ClassInfos, i_pos );
- }
- else if( id == KaxAttachments::ClassInfos.GlobalId )
- {
- msg_Dbg( &sys.demuxer, "| - attachments at %"PRId64, i_pos );
- LoadSeekHeadItem( KaxAttachments::ClassInfos, i_pos );
- }
- else
- msg_Dbg( &sys.demuxer, "| - unknown seekhead reference at %"PRId64, i_pos );
- }
- }
- else
- msg_Dbg( &sys.demuxer, "| | + ParseSeekHead Unknown (%s)", typeid(*l).name() );
- }
- delete ep;
- }
- /**
- * Helper function to print the mkv parse tree
- */
- static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
- {
- va_list args;
- if( i_level > 9 )
- {
- msg_Err( &demuxer, "too deep tree" );
- return;
- }
- va_start( args, psz_format );
- static const char psz_foo[] = "| | | | | | | | | |";
- char *psz_foo2 = (char*)malloc( i_level * 4 + 3 + strlen( psz_format ) );
- strncpy( psz_foo2, psz_foo, 4 * i_level );
- psz_foo2[ 4 * i_level ] = '+';
- psz_foo2[ 4 * i_level + 1 ] = ' ';
- strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
- __msg_GenericVa( VLC_OBJECT(&demuxer),VLC_MSG_DBG, "mkv", psz_foo2, args );
- free( psz_foo2 );
- va_end( args );
- }
- /*****************************************************************************
- * ParseTrackEntry:
- *****************************************************************************/
- void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
- {
- size_t i, j, k, n;
- bool bSupported = true;
- mkv_track_t *tk;
- msg_Dbg( &sys.demuxer, "| | + Track Entry" );
- tk = new mkv_track_t();
- /* Init the track */
- memset( tk, 0, sizeof( mkv_track_t ) );
- es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
- tk->fmt.psz_language = strdup("English");
- tk->fmt.psz_description = NULL;
- tk->b_default = true;
- tk->b_enabled = true;
- tk->b_silent = false;
- tk->i_number = tracks.size() - 1;
- tk->i_extra_data = 0;
- tk->p_extra_data = NULL;
- tk->psz_codec = NULL;
- tk->b_dts_only = false;
- tk->i_default_duration = 0;
- tk->f_timecodescale = 1.0;
- tk->b_inited = false;
- tk->i_data_init = 0;
- tk->p_data_init = NULL;
- tk->psz_codec_name = NULL;
- tk->psz_codec_settings = NULL;
- tk->psz_codec_info_url = NULL;
- tk->psz_codec_download_url = NULL;
- tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
- tk->p_compression_data = NULL;
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxTrackNumber ) )
- {
- KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
- tk->i_number = uint32( tnum );
- msg_Dbg( &sys.demuxer, "| | | + Track Number=%u", uint32( tnum ) );
- }
- else if( MKV_IS_ID( l, KaxTrackUID ) )
- {
- KaxTrackUID &tuid = *(KaxTrackUID*)l;
- msg_Dbg( &sys.demuxer, "| | | + Track UID=%u", uint32( tuid ) );
- }
- else if( MKV_IS_ID( l, KaxTrackType ) )
- {
- const char *psz_type;
- KaxTrackType &ttype = *(KaxTrackType*)l;
- switch( uint8(ttype) )
- {
- case track_audio:
- psz_type = "audio";
- tk->fmt.i_cat = AUDIO_ES;
- break;
- case track_video:
- psz_type = "video";
- tk->fmt.i_cat = VIDEO_ES;
- break;
- case track_subtitle:
- psz_type = "subtitle";
- tk->fmt.i_cat = SPU_ES;
- break;
- case track_buttons:
- psz_type = "buttons";
- tk->fmt.i_cat = SPU_ES;
- break;
- default:
- psz_type = "unknown";
- tk->fmt.i_cat = UNKNOWN_ES;
- break;
- }
- msg_Dbg( &sys.demuxer, "| | | + Track Type=%s", psz_type );
- }
- // else if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
- // {
- // KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
- // tk->b_enabled = uint32( fenb );
- // msg_Dbg( &sys.demuxer, "| | | + Track Enabled=%u",
- // uint32( fenb ) );
- // }
- else if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
- {
- KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
- tk->b_default = uint32( fdef );
- msg_Dbg( &sys.demuxer, "| | | + Track Default=%u", uint32( fdef ) );
- }
- else if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
- {
- KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
- msg_Dbg( &sys.demuxer, "| | | + Track Lacing=%d", uint32( lac ) );
- }
- else if( MKV_IS_ID( l, KaxTrackMinCache ) )
- {
- KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
- msg_Dbg( &sys.demuxer, "| | | + Track MinCache=%d", uint32( cmin ) );
- }
- else if( MKV_IS_ID( l, KaxTrackMaxCache ) )
- {
- KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
- msg_Dbg( &sys.demuxer, "| | | + Track MaxCache=%d", uint32( cmax ) );
- }
- else if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
- {
- KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
- tk->i_default_duration = uint64(defd);
- msg_Dbg( &sys.demuxer, "| | | + Track Default Duration=%"PRId64, uint64(defd) );
- }
- else if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
- {
- KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
- tk->f_timecodescale = float( ttcs );
- msg_Dbg( &sys.demuxer, "| | | + Track TimeCodeScale=%f", tk->f_timecodescale );
- }
- else if( MKV_IS_ID( l, KaxTrackName ) )
- {
- KaxTrackName &tname = *(KaxTrackName*)l;
- tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
- msg_Dbg( &sys.demuxer, "| | | + Track Name=%s", tk->fmt.psz_description );
- }
- else if( MKV_IS_ID( l, KaxTrackLanguage ) )
- {
- KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
- if ( tk->fmt.psz_language != NULL )
- free( tk->fmt.psz_language );
- tk->fmt.psz_language = strdup( string( lang ).c_str() );
- msg_Dbg( &sys.demuxer,
- "| | | + Track Language=`%s'", tk->fmt.psz_language );
- }
- else if( MKV_IS_ID( l, KaxCodecID ) )
- {
- KaxCodecID &codecid = *(KaxCodecID*)l;
- tk->psz_codec = strdup( string( codecid ).c_str() );
- msg_Dbg( &sys.demuxer, "| | | + Track CodecId=%s", string( codecid ).c_str() );
- }
- else if( MKV_IS_ID( l, KaxCodecPrivate ) )
- {
- KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
- tk->i_extra_data = cpriv.GetSize();
- if( tk->i_extra_data > 0 )
- {
- tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
- memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
- }
- msg_Dbg( &sys.demuxer, "| | | + Track CodecPrivate size=%"PRId64, cpriv.GetSize() );
- }
- else if( MKV_IS_ID( l, KaxCodecName ) )
- {
- KaxCodecName &cname = *(KaxCodecName*)l;
- tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
- msg_Dbg( &sys.demuxer, "| | | + Track Codec Name=%s", tk->psz_codec_name );
- }
- else if( MKV_IS_ID( l, KaxContentEncodings ) )
- {
- EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
- MkvTree( sys.demuxer, 3, "Content Encodings" );
- if ( cencs->ListSize() > 1 )
- {
- msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
- bSupported = false;
- }
- for( j = 0; j < cencs->ListSize(); j++ )
- {
- EbmlElement *l2 = (*cencs)[j];
- if( MKV_IS_ID( l2, KaxContentEncoding ) )
- {
- MkvTree( sys.demuxer, 4, "Content Encoding" );
- EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
- for( k = 0; k < cenc->ListSize(); k++ )
- {
- EbmlElement *l3 = (*cenc)[k];
- if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
- {
- KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
- MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
- }
- else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
- {
- KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
- MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
- }
- else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
- {
- KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
- MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
- }
- else if( MKV_IS_ID( l3, KaxContentCompression ) )
- {
- EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
- MkvTree( sys.demuxer, 5, "Content Compression" );
- for( n = 0; n < compr->ListSize(); n++ )
- {
- EbmlElement *l4 = (*compr)[n];
- if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
- {
- KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
- MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
- tk->i_compression_type = uint32( compalg );
- if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
- ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
- {
- msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
- bSupported = false;
- }
- }
- else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
- {
- tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
- }
- else
- {
- MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
- }
- }
- }
- else
- {
- MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
- }
- }
- }
- else
- {
- MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
- }
- }
- }
- // else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
- // {
- // KaxCodecSettings &cset = *(KaxCodecSettings*)l;
- // tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
- // msg_Dbg( &sys.demuxer, "| | | + Track Codec Settings=%s", tk->psz_codec_settings );
- // }
- // else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
- // {
- // KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
- // tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
- // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_info_url );
- // }
- // else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
- // {
- // KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
- // tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
- // msg_Dbg( &sys.demuxer, "| | | + Track Codec Info URL=%s", tk->psz_codec_download_url );
- // }
- // else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
- // {
- // KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
- // msg_Dbg( &sys.demuxer, "| | | + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
- // }
- // else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
- // {
- // KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
- // msg_Dbg( &sys.demuxer, "| | | + Track Overlay=%u <== UNUSED", uint32( tovr ) );
- // }
- else if( MKV_IS_ID( l, KaxTrackVideo ) )
- {
- EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
- unsigned int j;
- unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
- unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
- msg_Dbg( &sys.demuxer, "| | | + Track Video" );
- tk->f_fps = 0.0;
- tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
- tk->fmt.video.i_frame_rate = 1000000;
- for( j = 0; j < tkv->ListSize(); j++ )
- {
- EbmlElement *l = (*tkv)[j];
- // if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
- // {
- // KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
- // msg_Dbg( &sys.demuxer, "| | | | + Track Video Interlaced=%u", uint8( fint ) );
- // }
- // else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
- // {
- // KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
- // msg_Dbg( &sys.demuxer, "| | | | + Track Video Stereo Mode=%u", uint8( stereo ) );
- // }
- // else
- if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
- {
- KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
- tk->fmt.video.i_width += uint16( vwidth );
- msg_Dbg( &sys.demuxer, "| | | | + width=%d", uint16( vwidth ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
- {
- KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
- tk->fmt.video.i_height += uint16( vheight );
- msg_Dbg( &sys.demuxer, "| | | | + height=%d", uint16( vheight ) );
- }
- else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
- {
- KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
- i_display_width = uint16( vwidth );
- msg_Dbg( &sys.demuxer, "| | | | + display width=%d", uint16( vwidth ) );
- }
- else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
- {
- KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
- i_display_height = uint16( vheight );
- msg_Dbg( &sys.demuxer, "| | | | + display height=%d", uint16( vheight ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
- {
- KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
- i_crop_bottom = uint16( cropval );
- msg_Dbg( &sys.demuxer, "| | | | + crop pixel bottom=%d", uint16( cropval ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
- {
- KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
- i_crop_top = uint16( cropval );
- msg_Dbg( &sys.demuxer, "| | | | + crop pixel top=%d", uint16( cropval ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
- {
- KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
- i_crop_right = uint16( cropval );
- msg_Dbg( &sys.demuxer, "| | | | + crop pixel right=%d", uint16( cropval ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
- {
- KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
- i_crop_left = uint16( cropval );
- msg_Dbg( &sys.demuxer, "| | | | + crop pixel left=%d", uint16( cropval ) );
- }
- else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
- {
- KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
- tk->f_fps = float( vfps );
- msg_Dbg( &sys.demuxer, " | | | + fps=%f", float( vfps ) );
- }
- else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
- {
- KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
- i_display_unit = uint8( vdmode );
- msg_Dbg( &sys.demuxer, "| | | | + Track Video Display Unit=%s",
- uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
- }
- // else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
- // {
- // KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
- // msg_Dbg( &sys.demuxer, " | | | + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
- // }
- // else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
- // {
- // KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
- // msg_Dbg( &sys.demuxer, " | | | + gamma=%f", float( gamma ) );
- // }
- else
- {
- msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- if( i_display_height && i_display_width )
- tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
- if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
- {
- tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
- tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
- tk->fmt.video.i_x_offset = i_crop_left;
- tk->fmt.video.i_y_offset = i_crop_top;
- tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
- tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
- }
- /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
- we do not support this atm */
- }
- else if( MKV_IS_ID( l, KaxTrackAudio ) )
- {
- EbmlMaster *tka = static_cast<EbmlMaster*>(l);
- unsigned int j;
- msg_Dbg( &sys.demuxer, "| | | + Track Audio" );
- for( j = 0; j < tka->ListSize(); j++ )
- {
- EbmlElement *l = (*tka)[j];
- if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
- {
- KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
- tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
- msg_Dbg( &sys.demuxer, "| | | | + afreq=%d", tk->fmt.audio.i_rate );
- }
- else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
- {
- KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
- tk->fmt.audio.i_rate = (int)float( afreq );
- msg_Dbg( &sys.demuxer, "| | | | + aoutfreq=%d", tk->fmt.audio.i_rate );
- }
- else if( MKV_IS_ID( l, KaxAudioChannels ) )
- {
- KaxAudioChannels &achan = *(KaxAudioChannels*)l;
- tk->fmt.audio.i_channels = uint8( achan );
- msg_Dbg( &sys.demuxer, "| | | | + achan=%u", uint8( achan ) );
- }
- else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
- {
- KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
- tk->fmt.audio.i_bitspersample = uint8( abits );
- msg_Dbg( &sys.demuxer, "| | | | + abits=%u", uint8( abits ) );
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)",
- typeid(*l).name() );
- }
- }
- if ( bSupported )
- {
- tracks.push_back( tk );
- }
- else
- {
- msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
- delete tk;
- }
- }
- /*****************************************************************************
- * ParseTracks:
- *****************************************************************************/
- void matroska_segment_c::ParseTracks( KaxTracks *tracks )
- {
- EbmlElement *el;
- unsigned int i;
- int i_upper_level = 0;
- /* Master elements */
- tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < tracks->ListSize(); i++ )
- {
- EbmlElement *l = (*tracks)[i];
- if( MKV_IS_ID( l, KaxTrackEntry ) )
- {
- ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- /*****************************************************************************
- * ParseInfo:
- *****************************************************************************/
- void matroska_segment_c::ParseInfo( KaxInfo *info )
- {
- EbmlElement *el;
- EbmlMaster *m;
- size_t i, j;
- int i_upper_level = 0;
- /* Master elements */
- m = static_cast<EbmlMaster *>(info);
- m->Read( es, info->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxSegmentUID ) )
- {
- if ( p_segment_uid == NULL )
- p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
- msg_Dbg( &sys.demuxer, "| | + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
- }
- else if( MKV_IS_ID( l, KaxPrevUID ) )
- {
- if ( p_prev_segment_uid == NULL )
- p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
- msg_Dbg( &sys.demuxer, "| | + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
- }
- else if( MKV_IS_ID( l, KaxNextUID ) )
- {
- if ( p_next_segment_uid == NULL )
- p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
- msg_Dbg( &sys.demuxer, "| | + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
- }
- else if( MKV_IS_ID( l, KaxTimecodeScale ) )
- {
- KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
- i_timescale = uint64(tcs);
- msg_Dbg( &sys.demuxer, "| | + TimecodeScale=%"PRId64,
- i_timescale );
- }
- else if( MKV_IS_ID( l, KaxDuration ) )
- {
- KaxDuration &dur = *(KaxDuration*)l;
- i_duration = mtime_t( double( dur ) );
- msg_Dbg( &sys.demuxer, "| | + Duration=%"PRId64,
- i_duration );
- }
- else if( MKV_IS_ID( l, KaxMuxingApp ) )
- {
- KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
- psz_muxing_application = ToUTF8( UTFstring( mapp ) );
- msg_Dbg( &sys.demuxer, "| | + Muxing Application=%s",
- psz_muxing_application );
- }
- else if( MKV_IS_ID( l, KaxWritingApp ) )
- {
- KaxWritingApp &wapp = *(KaxWritingApp*)l;
- psz_writing_application = ToUTF8( UTFstring( wapp ) );
- msg_Dbg( &sys.demuxer, "| | + Writing Application=%s",
- psz_writing_application );
- }
- else if( MKV_IS_ID( l, KaxSegmentFilename ) )
- {
- KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
- psz_segment_filename = ToUTF8( UTFstring( sfn ) );
- msg_Dbg( &sys.demuxer, "| | + Segment Filename=%s",
- psz_segment_filename );
- }
- else if( MKV_IS_ID( l, KaxTitle ) )
- {
- KaxTitle &title = *(KaxTitle*)l;
- psz_title = ToUTF8( UTFstring( title ) );
- msg_Dbg( &sys.demuxer, "| | + Title=%s", psz_title );
- }
- else if( MKV_IS_ID( l, KaxSegmentFamily ) )
- {
- KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
- families.push_back( new KaxSegmentFamily(*uid) );
- msg_Dbg( &sys.demuxer, "| | + family=%d", *(uint32*)uid->GetBuffer() );
- }
- else if( MKV_IS_ID( l, KaxDateUTC ) )
- {
- KaxDateUTC &date = *(KaxDateUTC*)l;
- time_t i_date;
- struct tm tmres;
- char buffer[25];
- i_date = date.GetEpochDate();
- if( gmtime_r( &i_date, &tmres ) &&
- strftime( buffer, sizeof(buffer), "%a %b %d %H:%M:%S %Y",
- &tmres ) )
- {
- psz_date_utc = strdup( buffer );
- msg_Dbg( &sys.demuxer, "| | + Date=%s", buffer );
- }
- }
- else if( MKV_IS_ID( l, KaxChapterTranslate ) )
- {
- KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
- chapter_translation_c *p_translate = new chapter_translation_c();
- p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
- for( j = 0; j < p_trans->ListSize(); j++ )
- {
- EbmlElement *l = (*p_trans)[j];
- if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
- {
- p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
- }
- else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
- {
- p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
- }
- else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
- {
- p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
- }
- }
- translations.push_back( p_translate );
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
- i_duration = mtime_t(f_dur);
- }
- /*****************************************************************************
- * ParseChapterAtom
- *****************************************************************************/
- void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
- {
- size_t i, j;
- msg_Dbg( &sys.demuxer, "| | | + ChapterAtom (level=%d)", i_level );
- for( i = 0; i < ca->ListSize(); i++ )
- {
- EbmlElement *l = (*ca)[i];
- if( MKV_IS_ID( l, KaxChapterUID ) )
- {
- chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
- msg_Dbg( &sys.demuxer, "| | | | + ChapterUID: %lld", chapters.i_uid );
- }
- else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
- {
- KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
- chapters.b_display_seekpoint = uint8( flag ) == 0;
- msg_Dbg( &sys.demuxer, "| | | | + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
- }
- else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
- {
- KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
- chapters.i_start_time = uint64( start ) / INT64_C(1000);
- msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeStart: %lld", chapters.i_start_time );
- }
- else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
- {
- KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
- chapters.i_end_time = uint64( end ) / INT64_C(1000);
- msg_Dbg( &sys.demuxer, "| | | | + ChapterTimeEnd: %lld", chapters.i_end_time );
- }
- else if( MKV_IS_ID( l, KaxChapterDisplay ) )
- {
- EbmlMaster *cd = static_cast<EbmlMaster *>(l);
- msg_Dbg( &sys.demuxer, "| | | | + ChapterDisplay" );
- for( j = 0; j < cd->ListSize(); j++ )
- {
- EbmlElement *l= (*cd)[j];
- if( MKV_IS_ID( l, KaxChapterString ) )
- {
- int k;
- KaxChapterString &name =*(KaxChapterString*)l;
- for (k = 0; k < i_level; k++)
- chapters.psz_name += '+';
- chapters.psz_name += ' ';
- char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
- chapters.psz_name += psz_tmp_utf8;
- chapters.b_user_display = true;
- msg_Dbg( &sys.demuxer, "| | | | | + ChapterString '%s'", psz_tmp_utf8 );
- free( psz_tmp_utf8 );
- }
- else if( MKV_IS_ID( l, KaxChapterLanguage ) )
- {
- KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
- const char *psz = string( lang ).c_str();
- msg_Dbg( &sys.demuxer, "| | | | | + ChapterLanguage '%s'", psz );
- }
- else if( MKV_IS_ID( l, KaxChapterCountry ) )
- {
- KaxChapterCountry &ct =*(KaxChapterCountry*)l;
- const char *psz = string( ct ).c_str();
- msg_Dbg( &sys.demuxer, "| | | | | + ChapterCountry '%s'", psz );
- }
- }
- }
- else if( MKV_IS_ID( l, KaxChapterProcess ) )
- {
- msg_Dbg( &sys.demuxer, "| | | | + ChapterProcess" );
- KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
- chapter_codec_cmds_c *p_ccodec = NULL;
- for( j = 0; j < cp->ListSize(); j++ )
- {
- EbmlElement *k= (*cp)[j];
- if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
- {
- KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
- if ( uint32(*p_codec_id) == 0 )
- p_ccodec = new matroska_script_codec_c( sys );
- else if ( uint32(*p_codec_id) == 1 )
- p_ccodec = new dvd_chapter_codec_c( sys );
- break;
- }
- }
- if ( p_ccodec != NULL )
- {
- for( j = 0; j < cp->ListSize(); j++ )
- {
- EbmlElement *k= (*cp)[j];
- if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
- {
- KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
- p_ccodec->SetPrivate( *p_private );
- }
- else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
- {
- p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
- }
- }
- chapters.codecs.push_back( p_ccodec );
- }
- }
- else if( MKV_IS_ID( l, KaxChapterAtom ) )
- {
- chapter_item_c *new_sub_chapter = new chapter_item_c();
- ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
- new_sub_chapter->psz_parent = &chapters;
- chapters.sub_chapters.push_back( new_sub_chapter );
- }
- }
- }
- /*****************************************************************************
- * ParseAttachments:
- *****************************************************************************/
- void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
- {
- EbmlElement *el;
- int i_upper_level = 0;
- attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
- KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
- while( attachedFile && ( attachedFile->GetSize() > 0 ) )
- {
- std::string psz_mime_type = GetChild<KaxMimeType>( *attachedFile );
- KaxFileName &file_name = GetChild<KaxFileName>( *attachedFile );
- KaxFileData &img_data = GetChild<KaxFileData>( *attachedFile );
- attachment_c *new_attachment = new attachment_c();
- if( new_attachment )
- {
- new_attachment->psz_file_name = ToUTF8( UTFstring( file_name ) );
- new_attachment->psz_mime_type = psz_mime_type;
- new_attachment->i_size = img_data.GetSize();
- new_attachment->p_data = malloc( img_data.GetSize() );
- if( new_attachment->p_data )
- {
- memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
- sys.stored_attachments.push_back( new_attachment );
- }
- else
- {
- delete new_attachment;
- }
- }
- attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
- }
- }
- /*****************************************************************************
- * ParseChapters:
- *****************************************************************************/
- void matroska_segment_c::ParseChapters( KaxChapters *chapters )
- {
- EbmlElement *el;
- size_t i;
- int i_upper_level = 0;
- mtime_t i_dur;
- /* Master elements */
- chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < chapters->ListSize(); i++ )
- {
- EbmlElement *l = (*chapters)[i];
- if( MKV_IS_ID( l, KaxEditionEntry ) )
- {
- chapter_edition_c *p_edition = new chapter_edition_c();
- EbmlMaster *E = static_cast<EbmlMaster *>(l );
- size_t j;
- msg_Dbg( &sys.demuxer, "| | + EditionEntry" );
- for( j = 0; j < E->ListSize(); j++ )
- {
- EbmlElement *l = (*E)[j];
- if( MKV_IS_ID( l, KaxChapterAtom ) )
- {
- chapter_item_c *new_sub_chapter = new chapter_item_c();
- ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
- p_edition->sub_chapters.push_back( new_sub_chapter );
- }
- else if( MKV_IS_ID( l, KaxEditionUID ) )
- {
- p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
- }
- else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
- {
- p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
- }
- else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
- {
- if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
- i_default_edition = stored_editions.size();
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- stored_editions.push_back( p_edition );
- }
- else
- {
- msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- for( i = 0; i < stored_editions.size(); i++ )
- {
- stored_editions[i]->RefreshChapters( );
- }
- if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
- {
- /* update the duration of the segment according to the sum of all sub chapters */
- i_dur = stored_editions[i_default_edition]->Duration() / INT64_C(1000);
- if (i_dur > 0)
- i_duration = i_dur;
- }
- }
- void matroska_segment_c::ParseCluster( )
- {
- EbmlElement *el;
- EbmlMaster *m;
- unsigned int i;
- int i_upper_level = 0;
- /* Master elements */
- m = static_cast<EbmlMaster *>( cluster );
- m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxClusterTimecode ) )
- {
- KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
- cluster->InitTimecode( uint64( ctc ), i_timescale );
- break;
- }
- }
- i_start_time = cluster->GlobalTimecode() / 1000;
- }