/***************************************************************************** * mkv.cpp : matroska demuxer ***************************************************************************** * Copyright (C) 2001 VideoLAN * $Id: mkv.cpp,v 1.45 2003/11/27 04:11:40 fenrir Exp $ * * Authors: Laurent Aimar * * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #include /* malloc(), free() */ #include #ifdef HAVE_TIME_H # include /* time() */ #endif #include #include /* BITMAPINFOHEADER, WAVEFORMATEX */ #include "iso_lang.h" #include #include #include #ifdef HAVE_WCHAR_H # include #endif /* libebml and matroska */ #include "ebml/EbmlHead.h" #include "ebml/EbmlSubHead.h" #include "ebml/EbmlStream.h" #include "ebml/EbmlContexts.h" #include "ebml/EbmlVersion.h" #include "ebml/EbmlVoid.h" #include "matroska/FileKax.h" #ifdef HAVE_MATROSKA_KAXATTACHMENTS_H #include "matroska/KaxAttachments.h" #else #include "matroska/KaxAttachements.h" #endif #include "matroska/KaxBlock.h" #include "matroska/KaxBlockData.h" #include "matroska/KaxChapters.h" #include "matroska/KaxCluster.h" #include "matroska/KaxClusterData.h" #include "matroska/KaxContexts.h" #include "matroska/KaxCues.h" #include "matroska/KaxCuesData.h" #include "matroska/KaxInfo.h" #include "matroska/KaxInfoData.h" #include "matroska/KaxSeekHead.h" #include "matroska/KaxSegment.h" #include "matroska/KaxTag.h" #include "matroska/KaxTags.h" #include "matroska/KaxTagMulti.h" #include "matroska/KaxTracks.h" #include "matroska/KaxTrackAudio.h" #include "matroska/KaxTrackVideo.h" #include "matroska/KaxTrackEntryData.h" #include "ebml/StdIOCallback.h" using namespace LIBMATROSKA_NAMESPACE; using namespace std; /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); vlc_module_begin(); add_category_hint( N_("mkv-demuxer"), NULL, VLC_TRUE ); add_bool( "mkv-seek-percent", 1, NULL, N_("Seek based on percent not time"), N_("Seek based on percent not time"), VLC_TRUE ); set_description( _("mka/mkv stream demuxer" ) ); set_capability( "demux", 50 ); set_callbacks( Open, Close ); add_shortcut( "mka" ); add_shortcut( "mkv" ); vlc_module_end(); /***************************************************************************** * Local prototypes *****************************************************************************/ static int Demux ( input_thread_t * ); static void Seek ( input_thread_t *, mtime_t i_date, int i_percent ); /***************************************************************************** * Stream managment *****************************************************************************/ class vlc_stream_io_callback: public IOCallback { private: stream_t *s; vlc_bool_t mb_eof; public: vlc_stream_io_callback( stream_t * ); virtual uint32_t read ( void *p_buffer, size_t i_size); virtual void setFilePointer ( int64_t i_offset, seek_mode mode = seek_beginning ); virtual size_t write ( const void *p_buffer, size_t i_size); virtual uint64_t getFilePointer ( void ); virtual void close ( void ); }; /***************************************************************************** * Ebml Stream parser *****************************************************************************/ class EbmlParser { public: EbmlParser( EbmlStream *es, EbmlElement *el_start ); ~EbmlParser( void ); void Up( void ); void Down( void ); EbmlElement *Get( void ); void Keep( void ); int GetLevel( void ); private: EbmlStream *m_es; int mi_level; EbmlElement *m_el[6]; EbmlElement *m_got; int mi_user_level; vlc_bool_t mb_keep; }; /***************************************************************************** * Some functions to manipulate memory *****************************************************************************/ #define GetFOURCC( p ) __GetFOURCC( (uint8_t*)p ) static vlc_fourcc_t __GetFOURCC( uint8_t *p ) { return VLC_FOURCC( p[0], p[1], p[2], p[3] ); } /***************************************************************************** * definitions of structures and functions used by this plugins *****************************************************************************/ typedef struct { vlc_bool_t b_default; vlc_bool_t b_enabled; int i_number; int i_extra_data; uint8_t *p_extra_data; char *psz_codec; uint64_t i_default_duration; float f_timecodescale; /* video */ es_format_t fmt; float f_fps; es_out_id_t *p_es; vlc_bool_t b_inited; /* data to be send first */ int i_data_init; uint8_t *p_data_init; /* hack : it's for seek */ vlc_bool_t b_search_keyframe; /* informative */ char *psz_name; char *psz_codec_name; char *psz_codec_settings; char *psz_codec_info_url; char *psz_codec_download_url; } mkv_track_t; typedef struct { int i_track; int i_block_number; int64_t i_position; int64_t i_time; vlc_bool_t b_key; } mkv_index_t; struct demux_sys_t { vlc_stream_io_callback *in; EbmlStream *es; EbmlParser *ep; /* time scale */ uint64_t i_timescale; /* duration of the segment */ float f_duration; /* all tracks */ int i_track; mkv_track_t *track; /* from seekhead */ int64_t i_cues_position; int64_t i_chapters_position; int64_t i_tags_position; /* current data */ KaxSegment *segment; KaxCluster *cluster; mtime_t i_pts; vlc_bool_t b_cues; int i_index; int i_index_max; mkv_index_t *index; /* info */ char *psz_muxing_application; char *psz_writing_application; char *psz_segment_filename; char *psz_title; char *psz_date_utc; }; #define MKVD_TIMECODESCALE 1000000 static void IndexAppendCluster ( input_thread_t *p_input, KaxCluster *cluster ); static char *UTF8ToStr ( const UTFstring &u ); static void LoadCues ( input_thread_t *); static void InformationsCreate ( input_thread_t *p_input ); static char *LanguageGetName ( const char *psz_code ); /***************************************************************************** * Open: initializes matroska demux structures *****************************************************************************/ static int Open( vlc_object_t * p_this ) { input_thread_t *p_input = (input_thread_t *)p_this; demux_sys_t *p_sys; uint8_t *p_peek; int i_track; EbmlElement *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL; /* Set the demux function */ p_input->pf_demux = Demux; p_input->pf_demux_control = demux_vaControlDefault; /* peek the begining */ if( input_Peek( p_input, &p_peek, 4 ) < 4 ) { msg_Warn( p_input, "cannot peek" ); return VLC_EGENERIC; } /* is a valid file */ if( p_peek[0] != 0x1a || p_peek[1] != 0x45 || p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) { msg_Warn( p_input, "matroska module discarded " "(invalid header 0x%.2x%.2x%.2x%.2x)", p_peek[0], p_peek[1], p_peek[2], p_peek[3] ); return VLC_EGENERIC; } p_input->p_demux_data = p_sys = (demux_sys_t*)malloc(sizeof( demux_sys_t )); memset( p_sys, 0, sizeof( demux_sys_t ) ); p_sys->in = new vlc_stream_io_callback( p_input->s ); p_sys->es = new EbmlStream( *p_sys->in ); p_sys->f_duration = -1; p_sys->i_timescale = MKVD_TIMECODESCALE; p_sys->i_track = 0; p_sys->track = (mkv_track_t*)malloc( sizeof( mkv_track_t ) ); p_sys->i_pts = 0; p_sys->i_cues_position = -1; p_sys->i_chapters_position = -1; p_sys->i_tags_position = -1; p_sys->b_cues = VLC_FALSE; p_sys->i_index = 0; p_sys->i_index_max = 1024; p_sys->index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * p_sys->i_index_max ); p_sys->psz_muxing_application = NULL; p_sys->psz_writing_application = NULL; p_sys->psz_segment_filename = NULL; p_sys->psz_title = NULL; p_sys->psz_date_utc = NULL;; if( p_sys->es == NULL ) { msg_Err( p_input, "failed to create EbmlStream" ); delete p_sys->in; free( p_sys ); return VLC_EGENERIC; } /* Find the EbmlHead element */ el = p_sys->es->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL); if( el == NULL ) { msg_Err( p_input, "cannot find EbmlHead" ); goto error; } msg_Dbg( p_input, "EbmlHead" ); /* skip it */ el->SkipData( *p_sys->es, el->Generic().Context ); delete el; /* Find a segment */ el = p_sys->es->FindNextID( KaxSegment::ClassInfos, 0xFFFFFFFFL); if( el == NULL ) { msg_Err( p_input, "cannot find KaxSegment" ); goto error; } msg_Dbg( p_input, "+ Segment" ); p_sys->segment = (KaxSegment*)el; p_sys->cluster = NULL; p_sys->ep = new EbmlParser( p_sys->es, el ); while( ( el1 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el1 ) == KaxInfo::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Informations" ); p_sys->ep->Down(); while( ( el2 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el2 ) == KaxTimecodeScale::ClassInfos.GlobalId ) { KaxTimecodeScale &tcs = *(KaxTimecodeScale*)el2; tcs.ReadData( p_sys->es->I_O() ); p_sys->i_timescale = uint64(tcs); msg_Dbg( p_input, "| | + TimecodeScale="I64Fd, p_sys->i_timescale ); } else if( EbmlId( *el2 ) == KaxDuration::ClassInfos.GlobalId ) { KaxDuration &dur = *(KaxDuration*)el2; dur.ReadData( p_sys->es->I_O() ); p_sys->f_duration = float(dur); msg_Dbg( p_input, "| | + Duration=%f", p_sys->f_duration ); } else if( EbmlId( *el2 ) == KaxMuxingApp::ClassInfos.GlobalId ) { KaxMuxingApp &mapp = *(KaxMuxingApp*)el2; mapp.ReadData( p_sys->es->I_O() ); p_sys->psz_muxing_application = UTF8ToStr( UTFstring( mapp ) ); msg_Dbg( p_input, "| | + Muxing Application=%s", p_sys->psz_muxing_application ); } else if( EbmlId( *el2 ) == KaxWritingApp::ClassInfos.GlobalId ) { KaxWritingApp &wapp = *(KaxWritingApp*)el2; wapp.ReadData( p_sys->es->I_O() ); p_sys->psz_writing_application = UTF8ToStr( UTFstring( wapp ) ); msg_Dbg( p_input, "| | + Wrinting Application=%s", p_sys->psz_writing_application ); } else if( EbmlId( *el2 ) == KaxSegmentFilename::ClassInfos.GlobalId ) { KaxSegmentFilename &sfn = *(KaxSegmentFilename*)el2; sfn.ReadData( p_sys->es->I_O() ); p_sys->psz_segment_filename = UTF8ToStr( UTFstring( sfn ) ); msg_Dbg( p_input, "| | + Segment Filename=%s", p_sys->psz_segment_filename ); } else if( EbmlId( *el2 ) == KaxTitle::ClassInfos.GlobalId ) { KaxTitle &title = *(KaxTitle*)el2; title.ReadData( p_sys->es->I_O() ); p_sys->psz_title = UTF8ToStr( UTFstring( title ) ); msg_Dbg( p_input, "| | + Title=%s", p_sys->psz_title ); } #ifdef HAVE_GMTIME_R else if( EbmlId( *el2 ) == KaxDateUTC::ClassInfos.GlobalId ) { KaxDateUTC &date = *(KaxDateUTC*)el2; time_t i_date; struct tm tmres; char buffer[256]; date.ReadData( p_sys->es->I_O() ); i_date = date.GetEpochDate(); memset( buffer, 0, 256 ); if( gmtime_r( &i_date, &tmres ) && asctime_r( &tmres, buffer ) ) { buffer[strlen( buffer)-1]= '\0'; p_sys->psz_date_utc = strdup( buffer ); msg_Dbg( p_input, "| | + Date=%s", p_sys->psz_date_utc ); } } #endif else { msg_Dbg( p_input, "| | + Unknown (%s)", typeid(*el2).name() ); } } p_sys->ep->Up(); } else if( EbmlId( *el1 ) == KaxTracks::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Tracks" ); p_sys->ep->Down(); while( ( el2 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el2 ) == KaxTrackEntry::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | + Track Entry" ); p_sys->i_track++; p_sys->track = (mkv_track_t*)realloc( p_sys->track, sizeof( mkv_track_t ) * (p_sys->i_track + 1 ) ); #define tk p_sys->track[p_sys->i_track - 1] memset( &tk, 0, sizeof( mkv_track_t ) ); es_format_Init( &tk.fmt, UNKNOWN_ES, 0 ); tk.fmt.psz_language = strdup("English"); tk.b_default = VLC_TRUE; tk.b_enabled = VLC_TRUE; tk.i_number = p_sys->i_track - 1; tk.i_extra_data = 0; tk.p_extra_data = NULL; tk.psz_codec = NULL; tk.i_default_duration = 0; tk.f_timecodescale = 1.0; tk.b_inited = VLC_FALSE; tk.i_data_init = 0; tk.p_data_init = NULL; tk.psz_name = NULL; tk.psz_codec_name = NULL; tk.psz_codec_settings = NULL; tk.psz_codec_info_url = NULL; tk.psz_codec_download_url = NULL; p_sys->ep->Down(); while( ( el3 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el3 ) == KaxTrackNumber::ClassInfos.GlobalId ) { KaxTrackNumber &tnum = *(KaxTrackNumber*)el3; tnum.ReadData( p_sys->es->I_O() ); tk.i_number = uint32( tnum ); msg_Dbg( p_input, "| | | + Track Number=%u", uint32( tnum ) ); } else if( EbmlId( *el3 ) == KaxTrackUID::ClassInfos.GlobalId ) { KaxTrackUID &tuid = *(KaxTrackUID*)el3; tuid.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track UID=%u", uint32( tuid ) ); } else if( EbmlId( *el3 ) == KaxTrackType::ClassInfos.GlobalId ) { char *psz_type; KaxTrackType &ttype = *(KaxTrackType*)el3; ttype.ReadData( p_sys->es->I_O() ); 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; default: psz_type = "unknown"; tk.fmt.i_cat = UNKNOWN_ES; break; } msg_Dbg( p_input, "| | | + Track Type=%s", psz_type ); } else if( EbmlId( *el3 ) == KaxTrackFlagEnabled::ClassInfos.GlobalId ) { KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)el3; fenb.ReadData( p_sys->es->I_O() ); tk.b_enabled = uint32( fenb ); msg_Dbg( p_input, "| | | + Track Enabled=%u", uint32( fenb ) ); } else if( EbmlId( *el3 ) == KaxTrackFlagDefault::ClassInfos.GlobalId ) { KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)el3; fdef.ReadData( p_sys->es->I_O() ); tk.b_default = uint32( fdef ); msg_Dbg( p_input, "| | | + Track Default=%u", uint32( fdef ) ); } else if( EbmlId( *el3 ) == KaxTrackFlagLacing::ClassInfos.GlobalId ) { KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)el3; lac.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track Lacing=%d", uint32( lac ) ); } else if( EbmlId( *el3 ) == KaxTrackMinCache::ClassInfos.GlobalId ) { KaxTrackMinCache &cmin = *(KaxTrackMinCache*)el3; cmin.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track MinCache=%d", uint32( cmin ) ); } else if( EbmlId( *el3 ) == KaxTrackMaxCache::ClassInfos.GlobalId ) { KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)el3; cmax.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track MaxCache=%d", uint32( cmax ) ); } else if( EbmlId( *el3 ) == KaxTrackDefaultDuration::ClassInfos.GlobalId ) { KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)el3; defd.ReadData( p_sys->es->I_O() ); tk.i_default_duration = uint64(defd); msg_Dbg( p_input, "| | | + Track Default Duration="I64Fd, uint64(defd) ); } else if( EbmlId( *el3 ) == KaxTrackTimecodeScale::ClassInfos.GlobalId ) { KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)el3; ttcs.ReadData( p_sys->es->I_O() ); tk.f_timecodescale = float( ttcs ); msg_Dbg( p_input, "| | | + Track TimeCodeScale=%f", tk.f_timecodescale ); } else if( EbmlId( *el3 ) == KaxTrackName::ClassInfos.GlobalId ) { KaxTrackName &tname = *(KaxTrackName*)el3; tname.ReadData( p_sys->es->I_O() ); tk.psz_name = UTF8ToStr( UTFstring( tname ) ); msg_Dbg( p_input, "| | | + Track Name=%s", tk.psz_name ); } else if( EbmlId( *el3 ) == KaxTrackLanguage::ClassInfos.GlobalId ) { KaxTrackLanguage &lang = *(KaxTrackLanguage*)el3; lang.ReadData( p_sys->es->I_O() ); tk.fmt.psz_language = LanguageGetName( string( lang ).c_str() ); msg_Dbg( p_input, "| | | + Track Language=`%s'(%s) ", tk.fmt.psz_language, string( lang ).c_str() ); } else if( EbmlId( *el3 ) == KaxCodecID::ClassInfos.GlobalId ) { KaxCodecID &codecid = *(KaxCodecID*)el3; codecid.ReadData( p_sys->es->I_O() ); tk.psz_codec = strdup( string( codecid ).c_str() ); msg_Dbg( p_input, "| | | + Track CodecId=%s", string( codecid ).c_str() ); } else if( EbmlId( *el3 ) == KaxCodecPrivate::ClassInfos.GlobalId ) { KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)el3; cpriv.ReadData( p_sys->es->I_O() ); 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( p_input, "| | | + Track CodecPrivate size="I64Fd, cpriv.GetSize() ); } else if( EbmlId( *el3 ) == KaxCodecName::ClassInfos.GlobalId ) { KaxCodecName &cname = *(KaxCodecName*)el3; cname.ReadData( p_sys->es->I_O() ); tk.psz_codec_name = UTF8ToStr( UTFstring( cname ) ); msg_Dbg( p_input, "| | | + Track Codec Name=%s", tk.psz_codec_name ); } else if( EbmlId( *el3 ) == KaxCodecSettings::ClassInfos.GlobalId ) { KaxCodecSettings &cset = *(KaxCodecSettings*)el3; cset.ReadData( p_sys->es->I_O() ); tk.psz_codec_settings = UTF8ToStr( UTFstring( cset ) ); msg_Dbg( p_input, "| | | + Track Codec Settings=%s", tk.psz_codec_settings ); } else if( EbmlId( *el3 ) == KaxCodecInfoURL::ClassInfos.GlobalId ) { KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)el3; ciurl.ReadData( p_sys->es->I_O() ); tk.psz_codec_info_url = strdup( string( ciurl ).c_str() ); msg_Dbg( p_input, "| | | + Track Codec Info URL=%s", tk.psz_codec_info_url ); } else if( EbmlId( *el3 ) == KaxCodecDownloadURL::ClassInfos.GlobalId ) { KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)el3; cdurl.ReadData( p_sys->es->I_O() ); tk.psz_codec_download_url = strdup( string( cdurl ).c_str() ); msg_Dbg( p_input, "| | | + Track Codec Info URL=%s", tk.psz_codec_download_url ); } else if( EbmlId( *el3 ) == KaxCodecDecodeAll::ClassInfos.GlobalId ) { KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)el3; cdall.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) ); } else if( EbmlId( *el3 ) == KaxTrackOverlay::ClassInfos.GlobalId ) { KaxTrackOverlay &tovr = *(KaxTrackOverlay*)el3; tovr.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | + Track Overlay=%u <== UNUSED", uint32( tovr ) ); } else if( EbmlId( *el3 ) == KaxTrackVideo::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | | + Track Video" ); tk.f_fps = 0.0; p_sys->ep->Down(); while( ( el4 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId ) { KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4; fint.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | | + Track Video Interlaced=%u", uint8( fint ) ); } else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId ) { KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4; stereo.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | | + Track Video Stereo Mode=%u", uint8( stereo ) ); } else if( EbmlId( *el4 ) == KaxVideoPixelWidth::ClassInfos.GlobalId ) { KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)el4; vwidth.ReadData( p_sys->es->I_O() ); tk.fmt.video.i_width = uint16( vwidth ); msg_Dbg( p_input, "| | | | + width=%d", uint16( vwidth ) ); } else if( EbmlId( *el4 ) == KaxVideoPixelHeight::ClassInfos.GlobalId ) { KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)el4; vheight.ReadData( p_sys->es->I_O() ); tk.fmt.video.i_height = uint16( vheight ); msg_Dbg( p_input, "| | | | + height=%d", uint16( vheight ) ); } else if( EbmlId( *el4 ) == KaxVideoDisplayWidth::ClassInfos.GlobalId ) { KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)el4; vwidth.ReadData( p_sys->es->I_O() ); tk.fmt.video.i_visible_width = uint16( vwidth ); msg_Dbg( p_input, "| | | | + display width=%d", uint16( vwidth ) ); } else if( EbmlId( *el4 ) == KaxVideoDisplayHeight::ClassInfos.GlobalId ) { KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)el4; vheight.ReadData( p_sys->es->I_O() ); tk.fmt.video.i_visible_height = uint16( vheight ); msg_Dbg( p_input, "| | | | + display height=%d", uint16( vheight ) ); } else if( EbmlId( *el4 ) == KaxVideoFrameRate::ClassInfos.GlobalId ) { KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)el4; vfps.ReadData( p_sys->es->I_O() ); tk.f_fps = float( vfps ); msg_Dbg( p_input, " | | | + fps=%f", float( vfps ) ); } else if( EbmlId( *el4 ) == KaxVideoDisplayUnit::ClassInfos.GlobalId ) { KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)el4; vdmode.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, "| | | | + Track Video Display Unit=%s", uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) ); } else if( EbmlId( *el4 ) == KaxVideoAspectRatio::ClassInfos.GlobalId ) { KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)el4; ratio.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, " | | | + Track Video Aspect Ratio Type=%u", uint8( ratio ) ); } else if( EbmlId( *el4 ) == KaxVideoGamma::ClassInfos.GlobalId ) { KaxVideoGamma &gamma = *(KaxVideoGamma*)el4; gamma.ReadData( p_sys->es->I_O() ); msg_Dbg( p_input, " | | | + fps=%f", float( gamma ) ); } else { msg_Dbg( p_input, "| | | | + Unknown (%s)", typeid(*el4).name() ); } } p_sys->ep->Up(); } else if( EbmlId( *el3 ) == KaxTrackAudio::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | | + Track Audio" ); p_sys->ep->Down(); while( ( el4 = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el4 ) == KaxAudioSamplingFreq::ClassInfos.GlobalId ) { KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)el4; afreq.ReadData( p_sys->es->I_O() ); tk.fmt.audio.i_rate = (int)float( afreq ); msg_Dbg( p_input, "| | | | + afreq=%d", tk.fmt.audio.i_rate ); } else if( EbmlId( *el4 ) == KaxAudioChannels::ClassInfos.GlobalId ) { KaxAudioChannels &achan = *(KaxAudioChannels*)el4; achan.ReadData( p_sys->es->I_O() ); tk.fmt.audio.i_channels = uint8( achan ); msg_Dbg( p_input, "| | | | + achan=%u", uint8( achan ) ); } else if( EbmlId( *el4 ) == KaxAudioBitDepth::ClassInfos.GlobalId ) { KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)el4; abits.ReadData( p_sys->es->I_O() ); tk.fmt.audio.i_bitspersample = uint8( abits ); msg_Dbg( p_input, "| | | | + abits=%u", uint8( abits ) ); } else { msg_Dbg( p_input, "| | | | + Unknown (%s)", typeid(*el4).name() ); } } p_sys->ep->Up(); } else { msg_Dbg( p_input, "| | | + Unknown (%s)", typeid(*el3).name() ); } } p_sys->ep->Up(); } else { msg_Dbg( p_input, "| | + Unknown (%s)", typeid(*el2).name() ); } #undef tk } p_sys->ep->Up(); } else if( EbmlId( *el1 ) == KaxSeekHead::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Seek head" ); p_sys->ep->Down(); while( ( el = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxSeek::ClassInfos.GlobalId ) { EbmlId id = EbmlVoid::ClassInfos.GlobalId; int64_t i_pos = -1; //msg_Dbg( p_input, "| | + Seek" ); p_sys->ep->Down(); while( ( el = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxSeekID::ClassInfos.GlobalId ) { KaxSeekID &sid = *(KaxSeekID*)el; sid.ReadData( p_sys->es->I_O() ); id = EbmlId( sid.GetBuffer(), sid.GetSize() ); } else if( EbmlId( *el ) == KaxSeekPosition::ClassInfos.GlobalId ) { KaxSeekPosition &spos = *(KaxSeekPosition*)el; spos.ReadData( p_sys->es->I_O() ); i_pos = uint64( spos ); } else { msg_Dbg( p_input, "| | | + Unknown (%s)", typeid(*el).name() ); } } p_sys->ep->Up(); if( i_pos >= 0 ) { if( id == KaxCues::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | | = cues at "I64Fd, i_pos ); p_sys->i_cues_position = p_sys->segment->GetGlobalPosition( i_pos ); } else if( id == KaxChapters::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | | = chapters at "I64Fd, i_pos ); p_sys->i_chapters_position = p_sys->segment->GetGlobalPosition( i_pos ); } else if( id == KaxTags::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| | | = tags at "I64Fd, i_pos ); p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos ); } } } else { msg_Dbg( p_input, "| | + Unknown (%s)", typeid(*el).name() ); } } p_sys->ep->Up(); } else if( EbmlId( *el1 ) == KaxCues::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Cues" ); } else if( EbmlId( *el1 ) == KaxCluster::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Cluster" ); p_sys->cluster = (KaxCluster*)el1; p_sys->ep->Down(); /* stop parsing the stream */ break; } #ifdef HAVE_MATROSKA_KAXATTACHMENTS_H else if( EbmlId( *el1 ) == KaxAttachments::ClassInfos.GlobalId ) #else else if( EbmlId( *el1 ) == KaxAttachements::ClassInfos.GlobalId ) #endif { msg_Dbg( p_input, "| + Attachments FIXME TODO (but probably never supported)" ); } else if( EbmlId( *el1 ) == KaxChapters::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Chapters FIXME TODO" ); } else if( EbmlId( *el1 ) == KaxTag::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Tags FIXME TODO" ); } else { msg_Dbg( p_input, "| + Unknown (%s)", typeid(*el1).name() ); } } if( p_sys->cluster == NULL ) { msg_Err( p_input, "cannot find any cluster, damaged file ?" ); goto error; } if( p_sys->i_chapters_position >= 0 ) { msg_Warn( p_input, "chapters unsupported" ); } /* *** Load the cue if found *** */ if( p_sys->i_cues_position >= 0 ) { vlc_bool_t b_seekable; stream_Control( p_input->s, STREAM_CAN_FASTSEEK, &b_seekable ); if( b_seekable ) { LoadCues( p_input ); } } if( !p_sys->b_cues || p_sys->i_index <= 0 ) { msg_Warn( p_input, "no cues/empty cues found->seek won't be precise" ); IndexAppendCluster( p_input, p_sys->cluster ); p_sys->b_cues = VLC_FALSE; } /* Create one program */ vlc_mutex_lock( &p_input->stream.stream_lock ); if( input_InitStream( p_input, 0 ) == -1) { vlc_mutex_unlock( &p_input->stream.stream_lock ); msg_Err( p_input, "cannot init stream" ); goto error; } p_input->stream.i_mux_rate = 0; vlc_mutex_unlock( &p_input->stream.stream_lock ); if( p_sys->f_duration > 1001.0 ) { mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000.0 ); p_input->stream.i_mux_rate = stream_Size( p_input->s )/50 / i_duration; } /* add all es */ msg_Dbg( p_input, "found %d es", p_sys->i_track ); for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { #define tk p_sys->track[i_track] if( tk.fmt.i_cat == UNKNOWN_ES ) { msg_Warn( p_input, "invalid track[%d, n=%d]", i_track, tk.i_number ); tk.p_es = NULL; continue; } if( tk.fmt.i_cat == SPU_ES ) { vlc_value_t val; val.psz_string = "UTF-8"; #if defined(HAVE_ICONV) var_Create( p_input, "subsdec-encoding", VLC_VAR_STRING | VLC_VAR_DOINHERIT ); var_Set( p_input, "subsdec-encoding", val ); #endif } if( !strcmp( tk.psz_codec, "V_MS/VFW/FOURCC" ) ) { if( tk.i_extra_data < (int)sizeof( BITMAPINFOHEADER ) ) { msg_Err( p_input, "missing/invalid BITMAPINFOHEADER" ); tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' ); } else { BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tk.p_extra_data; tk.fmt.video.i_width = GetDWLE( &p_bih->biWidth ); tk.fmt.video.i_height= GetDWLE( &p_bih->biHeight ); tk.fmt.i_codec = GetFOURCC( &p_bih->biCompression ); tk.fmt.i_extra = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER ); if( tk.fmt.i_extra > 0 ) { tk.fmt.p_extra = malloc( tk.fmt.i_extra ); memcpy( tk.fmt.p_extra, &p_bih[1], tk.fmt.i_extra ); } } } else if( !strcmp( tk.psz_codec, "V_MPEG1" ) || !strcmp( tk.psz_codec, "V_MPEG2" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' ); } else if( !strncmp( tk.psz_codec, "V_MPEG4", 7 ) ) { if( !strcmp( tk.psz_codec, "V_MPEG4/MS/V3" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' ); } else { tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' ); } } else if( !strcmp( tk.psz_codec, "A_MS/ACM" ) ) { if( tk.i_extra_data < (int)sizeof( WAVEFORMATEX ) ) { msg_Err( p_input, "missing/invalid WAVEFORMATEX" ); tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' ); } else { WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tk.p_extra_data; wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tk.fmt.i_codec, NULL ); tk.fmt.audio.i_channels = GetWLE( &p_wf->nChannels ); tk.fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec ); tk.fmt.i_bitrate = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8; tk.fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );; tk.fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample ); tk.fmt.i_extra = GetWLE( &p_wf->cbSize ); if( tk.fmt.i_extra > 0 ) { tk.fmt.p_extra = malloc( tk.fmt.i_extra ); memcpy( tk.fmt.p_extra, &p_wf[1], tk.fmt.i_extra ); } } } else if( !strcmp( tk.psz_codec, "A_MPEG/L3" ) || !strcmp( tk.psz_codec, "A_MPEG/L2" ) || !strcmp( tk.psz_codec, "A_MPEG/L1" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' ); } else if( !strcmp( tk.psz_codec, "A_AC3" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' ); } else if( !strcmp( tk.psz_codec, "A_DTS" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' ); } else if( !strcmp( tk.psz_codec, "A_VORBIS" ) ) { tk.fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' ); tk.i_data_init = tk.i_extra_data; tk.p_data_init = tk.p_extra_data; } else if( !strncmp( tk.psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) || !strncmp( tk.psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) ) { int i_profile, i_srate; static int i_sample_rates[] = { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0 }; tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' ); /* create data for faad (MP4DecSpecificDescrTag)*/ if( !strcmp( &tk.psz_codec[12], "MAIN" ) ) { i_profile = 0; } else if( !strcmp( &tk.psz_codec[12], "LC" ) ) { i_profile = 1; } else if( !strcmp( &tk.psz_codec[12], "SSR" ) ) { i_profile = 2; } else { i_profile = 3; } for( i_srate = 0; i_srate < 13; i_srate++ ) { if( i_sample_rates[i_srate] == tk.fmt.audio.i_rate ) { break; } } msg_Dbg( p_input, "profile=%d srate=%d", i_profile, i_srate ); tk.fmt.i_extra = 2; tk.fmt.p_extra = malloc( tk.fmt.i_extra ); ((uint8_t*)tk.fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1); ((uint8_t*)tk.fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tk.fmt.audio.i_channels << 3); } else if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) || !strcmp( tk.psz_codec, "A_PCM/INT/LIT" ) || !strcmp( tk.psz_codec, "A_PCM/FLOAT/IEEE" ) ) { if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) ) { tk.fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' ); } else { tk.fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' ); } tk.fmt.audio.i_blockalign = ( tk.fmt.audio.i_bitspersample + 7 ) / 8 * tk.fmt.audio.i_channels; } else if( !strcmp( tk.psz_codec, "S_TEXT/UTF8" ) ) { tk.fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' ); } else if( !strcmp( tk.psz_codec, "S_TEXT/SSA" ) || !strcmp( tk.psz_codec, "S_SSA" ) || !strcmp( tk.psz_codec, "S_ASS" )) { tk.fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' ); #if 0 /* FIXME */ tk.fmt.i_extra = sizeof( subtitle_data_t ); tk.fmt.p_extra = malloc( tk.fmt.i_extra ); ((es_sys_t*)tk->fmt.p_extra)->psz_header = strdup( (char *)tk.p_extra_data ); #endif } else if( !strcmp( tk.psz_codec, "S_VOBSUB" ) ) { tk.fmt.i_codec = VLC_FOURCC( 's','p','u',' ' ); } else { msg_Err( p_input, "unknow codec id=`%s'", tk.psz_codec ); tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' ); } tk.p_es = es_out_Add( p_input->p_es_out, &tk.fmt ); #undef tk } /* add informations */ InformationsCreate( p_input ); return VLC_SUCCESS; error: delete p_sys->es; delete p_sys->in; free( p_sys ); return VLC_EGENERIC; } /***************************************************************************** * Close: frees unused data *****************************************************************************/ static void Close( vlc_object_t *p_this ) { input_thread_t *p_input = (input_thread_t *)p_this; demux_sys_t *p_sys = p_input->p_demux_data; int i_track; for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { #define tk p_sys->track[i_track] if( tk.psz_codec ) { free( tk.psz_codec ); } if( tk.fmt.psz_language ) { free( tk.fmt.psz_language ); } #undef tk } free( p_sys->track ); if( p_sys->psz_writing_application ) { free( p_sys->psz_writing_application ); } if( p_sys->psz_muxing_application ) { free( p_sys->psz_muxing_application ); } delete p_sys->segment; delete p_sys->ep; delete p_sys->es; delete p_sys->in; free( p_sys ); } static int BlockGet( input_thread_t *p_input, KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration ) { demux_sys_t *p_sys = p_input->p_demux_data; *pp_block = NULL; *pi_ref1 = -1; *pi_ref2 = -1; for( ;; ) { EbmlElement *el; int i_level; if( p_input->b_die ) { return VLC_EGENERIC; } el = p_sys->ep->Get(); i_level = p_sys->ep->GetLevel(); if( el == NULL && *pp_block != NULL ) { /* update the index */ #define idx p_sys->index[p_sys->i_index - 1] if( p_sys->i_index > 0 && idx.i_time == -1 ) { idx.i_time = (*pp_block)->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale; idx.b_key = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE; } #undef idx return VLC_SUCCESS; } if( el == NULL ) { if( p_sys->ep->GetLevel() > 1 ) { p_sys->ep->Up(); continue; } msg_Warn( p_input, "EOF" ); return VLC_EGENERIC; } /* do parsing */ if( i_level == 1 ) { if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId ) { p_sys->cluster = (KaxCluster*)el; /* add it to the index */ if( p_sys->i_index == 0 || ( p_sys->i_index > 0 && p_sys->index[p_sys->i_index - 1].i_position < (int64_t)p_sys->cluster->GetElementPosition() ) ) { IndexAppendCluster( p_input, p_sys->cluster ); } p_sys->ep->Down(); } else if( EbmlId( *el ) == KaxCues::ClassInfos.GlobalId ) { msg_Warn( p_input, "find KaxCues FIXME" ); return VLC_EGENERIC; } else { msg_Dbg( p_input, "unknown (%s)", typeid( el ).name() ); } } else if( i_level == 2 ) { if( EbmlId( *el ) == KaxClusterTimecode::ClassInfos.GlobalId ) { KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el; ctc.ReadData( p_sys->es->I_O() ); p_sys->cluster->InitTimecode( uint64( ctc ), p_sys->i_timescale ); } else if( EbmlId( *el ) == KaxBlockGroup::ClassInfos.GlobalId ) { p_sys->ep->Down(); } } else if( i_level == 3 ) { if( EbmlId( *el ) == KaxBlock::ClassInfos.GlobalId ) { *pp_block = (KaxBlock*)el; (*pp_block)->ReadData( p_sys->es->I_O() ); (*pp_block)->SetParent( *p_sys->cluster ); p_sys->ep->Keep(); } else if( EbmlId( *el ) == KaxBlockDuration::ClassInfos.GlobalId ) { KaxBlockDuration &dur = *(KaxBlockDuration*)el; dur.ReadData( p_sys->es->I_O() ); *pi_duration = uint64( dur ); } else if( EbmlId( *el ) == KaxReferenceBlock::ClassInfos.GlobalId ) { KaxReferenceBlock &ref = *(KaxReferenceBlock*)el; ref.ReadData( p_sys->es->I_O() ); if( *pi_ref1 == -1 ) { *pi_ref1 = int64( ref ); } else { *pi_ref2 = int64( ref ); } } } else { msg_Err( p_input, "invalid level = %d", i_level ); return VLC_EGENERIC; } } } static block_t *MemToBlock( input_thread_t *p_input, uint8_t *p_mem, int i_mem) { block_t *p_block; if( !(p_block = block_New( p_input, i_mem ) ) ) return NULL; memcpy( p_block->p_buffer, p_mem, i_mem ); //p_block->i_rate = p_input->stream.control.i_rate; return p_block; } static void BlockDecode( input_thread_t *p_input, KaxBlock *block, mtime_t i_pts, mtime_t i_duration ) { demux_sys_t *p_sys = p_input->p_demux_data; int i_track; unsigned int i; vlc_bool_t b; #define tk p_sys->track[i_track] for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { if( tk.i_number == block->TrackNum() ) { break; } } if( i_track >= p_sys->i_track ) { msg_Err( p_input, "invalid track number=%d", block->TrackNum() ); return; } es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, tk.p_es, &b ); if( !b ) { tk.b_inited = VLC_FALSE; return; } if( tk.fmt.i_cat == AUDIO_ES && p_input->stream.control.b_mute ) { return; } /* First send init data */ if( !tk.b_inited && tk.i_data_init > 0 ) { block_t *p_init; msg_Dbg( p_input, "sending header (%d bytes)", tk.i_data_init ); if( tk.fmt.i_codec == VLC_FOURCC( 'v', 'o', 'r', 'b' ) ) { int i; int i_offset = 1; int i_size[3]; /* XXX hack split the 3 headers */ if( tk.p_data_init[0] != 0x02 ) { msg_Err( p_input, "invalid vorbis header" ); } for( i = 0; i < 2; i++ ) { i_size[i] = 0; while( i_offset < tk.i_data_init ) { i_size[i] += tk.p_data_init[i_offset]; if( tk.p_data_init[i_offset++] != 0xff ) { break; } } } i_size[0] = __MIN( i_size[0], tk.i_data_init - i_offset ); i_size[1] = __MIN( i_size[1], tk.i_data_init - i_offset - i_size[0] ); i_size[2] = tk.i_data_init - i_offset - i_size[0] - i_size[1]; p_init = MemToBlock( p_input, &tk.p_data_init[i_offset], i_size[0] ); if( p_init ) { es_out_Send( p_input->p_es_out, tk.p_es, p_init ); } p_init = MemToBlock( p_input, &tk.p_data_init[i_offset+i_size[0]], i_size[1] ); if( p_init ) { es_out_Send( p_input->p_es_out, tk.p_es, p_init ); } p_init = MemToBlock( p_input, &tk.p_data_init[i_offset+i_size[0]+i_size[1]], i_size[2] ); if( p_init ) { es_out_Send( p_input->p_es_out, tk.p_es, p_init ); } } else { p_init = MemToBlock( p_input, tk.p_data_init, tk.i_data_init ); if( p_init ) { es_out_Send( p_input->p_es_out, tk.p_es, p_init ); } } } tk.b_inited = VLC_TRUE; for( i = 0; i < block->NumberFrames(); i++ ) { block_t *p_block; DataBuffer &data = block->GetBuffer(i); p_block = MemToBlock( p_input, data.Buffer(), data.Size() ); if( p_block == NULL ) { break; } if( tk.fmt.i_cat != VIDEO_ES ) p_block->i_dts = p_block->i_pts = i_pts; else { p_block->i_dts = i_pts; p_block->i_pts = 0; } if( tk.fmt.i_cat == SPU_ES && strcmp( tk.psz_codec, "S_VOBSUB" ) ) { if( i_duration > 0 ) { p_block->i_dts += i_duration * 1000; } else { p_block->i_dts = 0; } if( p_block->i_buffer > 0 ) { p_block->p_buffer[p_block->i_buffer-1] = '\0'; } } es_out_Send( p_input->p_es_out, tk.p_es, p_block ); /* use time stamp only for first block */ i_pts = 0; } #undef tk } static void Seek( input_thread_t *p_input, mtime_t i_date, int i_percent) { demux_sys_t *p_sys = p_input->p_demux_data; KaxBlock *block; int64_t i_block_duration; int64_t i_block_ref1; int64_t i_block_ref2; int i_index; int i_track_skipping; int i_track; msg_Dbg( p_input, "seek request to "I64Fd" (%d%%)", i_date, i_percent ); if( i_date < 0 && i_percent < 0 ) { return; } delete p_sys->ep; p_sys->ep = new EbmlParser( p_sys->es, p_sys->segment ); p_sys->cluster = NULL; /* seek without index or without date */ if( config_GetInt( p_input, "mkv-seek-percent" ) || !p_sys->b_cues || i_date < 0 ) { int64_t i_pos = i_percent * stream_Size( p_input->s ) / 100; msg_Dbg( p_input, "imprecise way of seeking" ); for( i_index = 0; i_index < p_sys->i_index; i_index++ ) { if( p_sys->index[i_index].i_position >= i_pos) { break; } } if( i_index == p_sys->i_index ) { i_index--; } p_sys->in->setFilePointer( p_sys->index[i_index].i_position, seek_beginning ); if( p_sys->index[i_index].i_position < i_pos ) { EbmlElement *el; msg_Warn( p_input, "searching for cluster, could take some time" ); /* search a cluster */ while( ( el = p_sys->ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId ) { KaxCluster *cluster = (KaxCluster*)el; /* add it to the index */ IndexAppendCluster( p_input, cluster ); if( (int64_t)cluster->GetElementPosition() >= i_pos ) { p_sys->cluster = cluster; p_sys->ep->Down(); break; } } } } } else { for( i_index = 0; i_index < p_sys->i_index; i_index++ ) { if( p_sys->index[i_index].i_time >= i_date ) { break; } } if( i_index > 0 ) { i_index--; } msg_Dbg( p_input, "seek got "I64Fd" (%d%%)", p_sys->index[i_index].i_time, (int)( 100 * p_sys->index[i_index].i_position / stream_Size( p_input->s ) ) ); p_sys->in->setFilePointer( p_sys->index[i_index].i_position, seek_beginning ); } /* now parse until key frame */ #define tk p_sys->track[i_track] i_track_skipping = 0; for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { if( tk.fmt.i_cat == VIDEO_ES ) { tk.b_search_keyframe = VLC_TRUE; i_track_skipping++; } } while( i_track_skipping > 0 ) { if( BlockGet( p_input, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) ) { msg_Warn( p_input, "cannot get block EOF?" ); return; } p_sys->i_pts = block->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale; for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { if( tk.i_number == block->TrackNum() ) { break; } } if( i_track < p_sys->i_track ) { if( tk.fmt.i_cat == VIDEO_ES && i_block_ref1 == -1 && tk.b_search_keyframe ) { tk.b_search_keyframe = VLC_FALSE; i_track_skipping--; } if( tk.fmt.i_cat == VIDEO_ES && !tk.b_search_keyframe ) { BlockDecode( p_input, block, 0, 0 ); } } delete block; } #undef tk } /***************************************************************************** * Demux: reads and demuxes data packets ***************************************************************************** * Returns -1 in case of error, 0 in case of EOF, 1 otherwise *****************************************************************************/ static int Demux( input_thread_t * p_input ) { demux_sys_t *p_sys = p_input->p_demux_data; mtime_t i_start_pts; int i_block_count = 0; KaxBlock *block; int64_t i_block_duration; int64_t i_block_ref1; int64_t i_block_ref2; if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT ) { mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000 ); mtime_t i_date = -1; int i_percent = -1; if( i_duration > 0 ) { i_date = (mtime_t)1000000 * (mtime_t)i_duration* (mtime_t)p_sys->in->getFilePointer() / (mtime_t)stream_Size( p_input->s ); } if( stream_Size( p_input->s ) > 0 ) { i_percent = 100 * p_sys->in->getFilePointer() / stream_Size( p_input->s ); } Seek( p_input, i_date, i_percent); } i_start_pts = -1; for( ;; ) { mtime_t i_pts; if( BlockGet( p_input, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) ) { msg_Warn( p_input, "cannot get block EOF?" ); return 0; } p_sys->i_pts = block->GlobalTimecode() * (mtime_t) 1000 / p_sys->i_timescale; if( p_sys->i_pts > 0 ) { input_ClockManageRef( p_input, p_input->stream.p_selected_program, p_sys->i_pts * 9 / 100 ); } i_pts = input_ClockGetTS( p_input, p_input->stream.p_selected_program, p_sys->i_pts * 9 / 100 ); BlockDecode( p_input, block, i_pts, i_block_duration ); delete block; i_block_count++; if( i_start_pts == -1 ) { i_start_pts = p_sys->i_pts; } else if( p_sys->i_pts > i_start_pts + (mtime_t)100000 || i_block_count > 5 ) { return 1; } } } /***************************************************************************** * Stream managment *****************************************************************************/ vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ ) { s = s_; mb_eof = VLC_FALSE; } uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size ) { if( i_size <= 0 || mb_eof ) { return 0; } return stream_Read( s, p_buffer, i_size ); } void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode ) { int64_t i_pos; switch( mode ) { case seek_beginning: i_pos = i_offset; break; case seek_end: i_pos = stream_Size( s ) - i_offset; break; default: i_pos= stream_Tell( s ) + i_offset; break; } if( i_pos < 0 || i_pos >= stream_Size( s ) ) { mb_eof = VLC_TRUE; return; } mb_eof = VLC_FALSE; if( stream_Seek( s, i_pos ) ) { mb_eof = VLC_TRUE; } return; } size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size ) { return 0; } uint64_t vlc_stream_io_callback::getFilePointer( void ) { return stream_Tell( s ); } void vlc_stream_io_callback::close( void ) { return; } /***************************************************************************** * Ebml Stream parser *****************************************************************************/ EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start ) { int i; m_es = es; m_got = NULL; m_el[0] = el_start; for( i = 1; i < 6; i++ ) { m_el[i] = NULL; } mi_level = 1; mi_user_level = 1; mb_keep = VLC_FALSE; } EbmlParser::~EbmlParser( void ) { int i; for( i = 1; i < mi_level; i++ ) { if( !mb_keep ) { delete m_el[i]; } mb_keep = VLC_FALSE; } } void EbmlParser::Up( void ) { if( mi_user_level == mi_level ) { fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" ); } mi_user_level--; } void EbmlParser::Down( void ) { mi_user_level++; mi_level++; } void EbmlParser::Keep( void ) { mb_keep = VLC_TRUE; } int EbmlParser::GetLevel( void ) { return mi_user_level; } EbmlElement *EbmlParser::Get( void ) { int i_ulev = 0; if( mi_user_level != mi_level ) { return NULL; } if( m_got ) { EbmlElement *ret = m_got; m_got = NULL; return ret; } if( m_el[mi_level] ) { m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context ); if( !mb_keep ) { delete m_el[mi_level]; } mb_keep = VLC_FALSE; } m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, true, 1 ); if( i_ulev > 0 ) { while( i_ulev > 0 ) { if( mi_level == 1 ) { mi_level = 0; return NULL; } delete m_el[mi_level - 1]; m_got = m_el[mi_level -1] = m_el[mi_level]; m_el[mi_level] = NULL; mi_level--; i_ulev--; } return NULL; } else if( m_el[mi_level] == NULL ) { fprintf( stderr," m_el[mi_level] == NULL\n" ); } return m_el[mi_level]; } /***************************************************************************** * Tools * * LoadCues : load the cues element and update index * * * LoadTags : load ... the tags element * * * InformationsCreate : create all informations, load tags if present * *****************************************************************************/ static void LoadCues( input_thread_t *p_input ) { demux_sys_t *p_sys = p_input->p_demux_data; int64_t i_sav_position = p_sys->in->getFilePointer(); EbmlParser *ep; EbmlElement *el, *cues; msg_Dbg( p_input, "loading cues" ); p_sys->in->setFilePointer( p_sys->i_cues_position, seek_beginning ); cues = p_sys->es->FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL); if( cues == NULL ) { msg_Err( p_input, "cannot load cues (broken seekhead or file)" ); return; } ep = new EbmlParser( p_sys->es, cues ); while( ( el = ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxCuePoint::ClassInfos.GlobalId ) { #define idx p_sys->index[p_sys->i_index] idx.i_track = -1; idx.i_block_number= -1; idx.i_position = -1; idx.i_time = -1; idx.b_key = VLC_TRUE; ep->Down(); while( ( el = ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxCueTime::ClassInfos.GlobalId ) { KaxCueTime &ctime = *(KaxCueTime*)el; ctime.ReadData( p_sys->es->I_O() ); idx.i_time = uint64( ctime ) * (mtime_t)1000000000 / p_sys->i_timescale; } else if( EbmlId( *el ) == KaxCueTrackPositions::ClassInfos.GlobalId ) { ep->Down(); while( ( el = ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxCueTrack::ClassInfos.GlobalId ) { KaxCueTrack &ctrack = *(KaxCueTrack*)el; ctrack.ReadData( p_sys->es->I_O() ); idx.i_track = uint16( ctrack ); } else if( EbmlId( *el ) == KaxCueClusterPosition::ClassInfos.GlobalId ) { KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el; ccpos.ReadData( p_sys->es->I_O() ); idx.i_position = p_sys->segment->GetGlobalPosition( uint64( ccpos ) ); } else if( EbmlId( *el ) == KaxCueBlockNumber::ClassInfos.GlobalId ) { KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el; cbnum.ReadData( p_sys->es->I_O() ); idx.i_block_number = uint32( cbnum ); } else { msg_Dbg( p_input, " * Unknown (%s)", typeid(*el).name() ); } } ep->Up(); } else { msg_Dbg( p_input, " * Unknown (%s)", typeid(*el).name() ); } } ep->Up(); msg_Dbg( p_input, " * added time="I64Fd" pos="I64Fd " track=%d bnum=%d", idx.i_time, idx.i_position, idx.i_track, idx.i_block_number ); p_sys->i_index++; if( p_sys->i_index >= p_sys->i_index_max ) { p_sys->i_index_max += 1024; p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max ); } #undef idx } else { msg_Dbg( p_input, " * Unknown (%s)", typeid(*el).name() ); } } delete ep; delete cues; p_sys->b_cues = VLC_TRUE; msg_Dbg( p_input, "loading cues done." ); p_sys->in->setFilePointer( i_sav_position, seek_beginning ); } static void LoadTags( input_thread_t *p_input ) { demux_sys_t *p_sys = p_input->p_demux_data; int64_t i_sav_position = p_sys->in->getFilePointer(); EbmlParser *ep; EbmlElement *el, *tags; msg_Dbg( p_input, "loading tags" ); p_sys->in->setFilePointer( p_sys->i_tags_position, seek_beginning ); tags = p_sys->es->FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL); if( tags == NULL ) { msg_Err( p_input, "cannot load tags (broken seekhead or file)" ); return; } msg_Dbg( p_input, "Tags" ); ep = new EbmlParser( p_sys->es, tags ); while( ( el = ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxTag::ClassInfos.GlobalId ) { msg_Dbg( p_input, "+ Tag" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { if( EbmlId( *el ) == KaxTagTargets::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Targets" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() ); } ep->Up(); } else if( EbmlId( *el ) == KaxTagGeneral::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + General" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() ); } ep->Up(); } else if( EbmlId( *el ) == KaxTagGenres::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Genres" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() ); } ep->Up(); } else if( EbmlId( *el ) == KaxTagAudioSpecific::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Audio Specific" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() ); } ep->Up(); } else if( EbmlId( *el ) == KaxTagImageSpecific::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Images Specific" ); ep->Down(); while( ( el = ep->Get() ) != NULL ) { msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() ); } ep->Up(); } else if( EbmlId( *el ) == KaxTagMultiComment::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Comment" ); } else if( EbmlId( *el ) == KaxTagMultiCommercial::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Commercial" ); } else if( EbmlId( *el ) == KaxTagMultiDate::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Date" ); } else if( EbmlId( *el ) == KaxTagMultiEntity::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Entity" ); } else if( EbmlId( *el ) == KaxTagMultiIdentifier::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Identifier" ); } else if( EbmlId( *el ) == KaxTagMultiLegal::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Legal" ); } else if( EbmlId( *el ) == KaxTagMultiTitle::ClassInfos.GlobalId ) { msg_Dbg( p_input, "| + Multi Title" ); } else { msg_Dbg( p_input, "| + Unknown (%s)", typeid( *el ).name() ); } } ep->Up(); } else { msg_Dbg( p_input, "+ Unknown (%s)", typeid( *el ).name() ); } } delete ep; delete tags; msg_Dbg( p_input, "loading tags done." ); p_sys->in->setFilePointer( i_sav_position, seek_beginning ); } static void InformationsCreate( input_thread_t *p_input ) { demux_sys_t *p_sys = p_input->p_demux_data; input_info_category_t *p_cat; int i_track; p_cat = input_InfoCategory( p_input, "Matroska" ); if( p_sys->f_duration > 1000.1 ) { int64_t i_sec = (int64_t)p_sys->f_duration / 1000; int h,m,s; h = i_sec / 3600; m = ( i_sec / 60 ) % 60; s = i_sec % 60; input_AddInfo( p_cat, _("Duration"), "%d:%2.2d:%2.2d" , h, m, s ); } if( p_sys->psz_title ) { input_AddInfo( p_cat, _("Title"), "%s" ,p_sys->psz_title ); } if( p_sys->psz_date_utc ) { input_AddInfo( p_cat, _("Date UTC"), "%s" ,p_sys->psz_date_utc ); } if( p_sys->psz_segment_filename ) { input_AddInfo( p_cat, _("Segment Filename"), "%s" ,p_sys->psz_segment_filename ); } if( p_sys->psz_muxing_application ) { input_AddInfo( p_cat, _("Muxing Application"), "%s" ,p_sys->psz_muxing_application ); } if( p_sys->psz_writing_application ) { input_AddInfo( p_cat, _("Writing Application"), "%s" ,p_sys->psz_writing_application ); } input_AddInfo( p_cat, _("Number of streams"), "%d" , p_sys->i_track ); for( i_track = 0; i_track < p_sys->i_track; i_track++ ) { char psz_cat[strlen( "Stream " ) + 10]; #define tk p_sys->track[i_track] sprintf( psz_cat, "Stream %d", i_track ); p_cat = input_InfoCategory( p_input, psz_cat); if( tk.psz_name ) { input_AddInfo( p_cat, _("Name"), "%s", tk.psz_name ); } if( tk.psz_codec_name ) { input_AddInfo( p_cat, _("Codec Name"), "%s", tk.psz_codec_name ); } if( tk.psz_codec_settings ) { input_AddInfo( p_cat, _("Codec Setting"), "%s", tk.psz_codec_settings ); } if( tk.psz_codec_info_url ) { input_AddInfo( p_cat, _("Codec Info"), "%s", tk.psz_codec_info_url ); } if( tk.psz_codec_download_url ) { input_AddInfo( p_cat, _("Codec Download"), "%s", tk.psz_codec_download_url ); } #undef tk } if( p_sys->i_tags_position >= 0 ) { vlc_bool_t b_seekable; stream_Control( p_input->s, STREAM_CAN_FASTSEEK, &b_seekable ); if( b_seekable ) { LoadTags( p_input ); } } } /***************************************************************************** * Divers *****************************************************************************/ static void IndexAppendCluster( input_thread_t *p_input, KaxCluster *cluster ) { demux_sys_t *p_sys = p_input->p_demux_data; #define idx p_sys->index[p_sys->i_index] idx.i_track = -1; idx.i_block_number= -1; idx.i_position = cluster->GetElementPosition(); idx.i_time = -1; idx.b_key = VLC_TRUE; p_sys->i_index++; if( p_sys->i_index >= p_sys->i_index_max ) { p_sys->i_index_max += 1024; p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max ); } #undef idx } static char * UTF8ToStr( const UTFstring &u ) { int i_src; const wchar_t *src; char *dst, *p; i_src = u.length(); src = u.c_str(); p = dst = (char*)malloc( i_src + 1); while( i_src > 0 ) { if( *src < 255 ) { *p++ = (char)*src; } else { *p++ = '?'; } src++; i_src--; } *p++= '\0'; return dst; } static char *LanguageGetName ( const char *psz_code ) { const iso639_lang_t *pl; if( strlen( psz_code ) == 2 ) { pl = GetLang_1( psz_code ); } else if( strlen( psz_code ) == 3 ) { pl = GetLang_2B( psz_code ); if( !strcmp( pl->psz_iso639_1, "??" ) ) { pl = GetLang_2T( psz_code ); } } else { return strdup( psz_code ); } if( !strcmp( pl->psz_iso639_1, "??" ) ) { return strdup( psz_code ); } else { if( *pl->psz_native_name ) { return strdup( pl->psz_native_name ); } return strdup( pl->psz_eng_name ); } }