* mkv.cpp : matroska demuxer
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: mkv.cpp,v 1.8 2003/06/24 06:07:14 fenrir Exp $
+ * $Id: mkv.cpp,v 1.9 2003/06/24 18:42:50 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
#include <vlc/vlc.h>
+#ifdef HAVE_TIME_H
+# include <time.h> /* time() */
+#endif
+
#include <vlc/input.h>
#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
#include <iostream>
#include <cassert>
#include <typeinfo>
+#include <wchar.h>
/* libebml and matroska */
#include "ebml/EbmlHead.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"
* Module descriptor
*****************************************************************************/
vlc_module_begin();
+#if 0
add_category_hint( N_("mkv-demuxer"), NULL, VLC_TRUE );
add_bool( "mkv-index", 0, NULL,
N_("Create index if no cues found"),
N_("Create index if no cues found"), VLC_TRUE );
+#endif
set_description( _("mka/mkv stream demuxer" ) );
set_capability( "demux", 50 );
set_callbacks( Activate, Deactivate );
{
private:
input_thread_t *p_input;
+ vlc_bool_t mb_eof;
public:
vlc_stream_io_callback( input_thread_t * );
virtual void close ( void );
};
-
-vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
-{
- p_input = p_input_;
-}
-
-uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
+/*****************************************************************************
+ * Ebml Stream parser
+ *****************************************************************************/
+class EbmlParser
{
- data_packet_t *p_data;
+ public:
+ EbmlParser( EbmlStream *es, EbmlElement *el_start );
+ ~EbmlParser( void );
- int i_count;
- int i_read = 0;
+ void Up( void );
+ void Down( void );
+ EbmlElement *Get( void );
+ void Keep( void );
+ int GetLevel( void );
- if( !i_size )
- {
- return 0;
- }
+ private:
+ EbmlStream *m_es;
+ int mi_level;
+ EbmlElement *m_el[6];
- do
- {
- i_count = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 10240 ) );
- if( i_count <= 0 )
- {
- return i_read;
- }
- memcpy( p_buffer, p_data->p_payload_start, i_count );
- input_DeletePacket( p_input->p_method_data, p_data );
+ EbmlElement *m_got;
- (uint8_t*)p_buffer += i_count;
- i_size -= i_count;
- i_read += i_count;
+ int mi_user_level;
+ vlc_bool_t mb_keep;
+};
- } while( i_size );
- return i_read;
+/*****************************************************************************
+ * Some functions to manipulate memory
+ *****************************************************************************/
+#define GetWLE( p ) __GetWLE( (uint8_t*)p )
+#define GetDWLE( p ) __GetDWLE( (uint8_t*)p )
+#define GetFOURCC( p ) __GetFOURCC( (uint8_t*)p )
+static uint16_t __GetWLE( uint8_t *p )
+{
+ return (uint16_t)p[0] | ( ((uint16_t)p[1]) << 8 );
+}
+static uint32_t __GetDWLE( uint8_t *p )
+{
+ return (uint32_t)p[0] | ( ((uint32_t)p[1]) << 8 ) |
+ ( ((uint32_t)p[2]) << 16 ) | ( ((uint32_t)p[3]) << 24 );
+}
+static vlc_fourcc_t __GetFOURCC( uint8_t *p )
+{
+ return VLC_FOURCC( p[0], p[1], p[2], p[3] );
}
-
-void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
+/*****************************************************************************
+ * definitions of structures and functions used by this plugins
+ *****************************************************************************/
+typedef struct
{
- int64_t i_pos;
- int64_t i_last;
+ int i_cat;
+ vlc_bool_t b_default;
+ int i_number;
- i_last = getFilePointer();
+ int i_extra_data;
+ uint8_t *p_extra_data;
- vlc_mutex_lock( &p_input->stream.stream_lock );
- switch( mode )
- {
- case seek_beginning:
- i_pos = i_offset;
- break;
- case seek_end:
- i_pos = p_input->stream.p_selected_area->i_size - i_offset;
- break;
- default:
- i_pos= i_last + i_offset;
- break;
- }
+ char *psz_language;
- if( i_pos < 0 ||
- ( i_pos > p_input->stream.p_selected_area->i_size && p_input->stream.p_selected_area->i_size != 0 ) )
- {
- msg_Err( p_input, "seeking to wrong place (i_pos=%lld)", i_pos );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return;
- }
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ char *psz_codec;
+ vlc_fourcc_t i_codec;
- if( i_pos == i_last )
- {
- return;
- }
+ uint64_t i_default_duration;
+ /* video */
+ int i_width;
+ int i_height;
+ int i_display_width;
+ int i_display_height;
+ float f_fps;
- msg_Dbg( p_input, "####################seek new=%lld old=%lld", i_pos, getFilePointer() );
- if( p_input->stream.b_seekable &&
- ( /*p_input->stream.i_method == INPUT_METHOD_FILE ||*/ i_pos < i_last || i_pos - i_last > p_input->i_bufsize / 4 ) )
- {
- input_AccessReinit( p_input );
- p_input->pf_seek( p_input, i_pos );
- }
- else if( i_pos > i_last )
- {
- data_packet_t *p_data;
- int i_skip = i_pos - i_last;
+ /* audio */
+ int i_channels;
+ int i_samplerate;
+ int i_bitspersample;
- if( i_skip > 1024 )
- {
- msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
- }
+ es_descriptor_t *p_es;
- while (i_skip > 0 )
- {
- int i_read;
- i_read = input_SplitBuffer( p_input, &p_data,
- __MIN( 4096, i_skip ) );
- if( i_read < 0 )
- {
- msg_Err( p_input, "seek failed" );
- return;
- }
- i_skip -= i_read;
- input_DeletePacket( p_input->p_method_data, p_data );
- if( i_read == 0 && i_skip > 0 )
- {
- msg_Err( p_input, "seek failed" );
- return;
- }
- }
- }
- else
- {
- msg_Err( p_input, "cannot seek or emulate seek to %lld from %lld", i_pos, i_last );
- }
-}
+ vlc_bool_t b_inited;
+ /* data to be send first */
+ int i_data_init;
+ uint8_t *p_data_init;
-size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
-{
- return 0;
-}
+ /* hack : it's for seek */
+ vlc_bool_t b_search_keyframe;
+} mkv_track_t;
-uint64_t vlc_stream_io_callback::getFilePointer( void )
+typedef struct
{
- uint64_t i_pos;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- i_pos= p_input->stream.p_selected_area->i_tell;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ int i_track;
+ int i_block_number;
- return i_pos;
-}
+ int64_t i_position;
+ int64_t i_time;
-void vlc_stream_io_callback::close( void )
-{
- return;
-}
+ vlc_bool_t b_key;
+} mkv_index_t;
-/*****************************************************************************
- * Ebml Stream parser
- *****************************************************************************/
-class EbmlParser
+struct demux_sys_t
{
- public:
- EbmlParser( EbmlStream *es, EbmlElement *el_start );
- ~EbmlParser( void );
+ vlc_stream_io_callback *in;
+ EbmlStream *es;
+ EbmlParser *ep;
- int SetNext( const EbmlCallbacks & ClassInfos );
+ /* time scale */
+ uint64_t i_timescale;
- void Up( void );
- void Down( void );
- EbmlElement *Get( void );
- void Keep( void );
+ /* duration of the segment */
+ float f_duration;
- int GetLevel( void );
+ /* all tracks */
+ int i_track;
+ mkv_track_t *track;
- private:
+ /* from seekhead */
+ int64_t i_cues_position;
+ int64_t i_chapters_position;
+ int64_t i_tags_position;
- EbmlStream *m_es;
- int mi_level;
- EbmlElement *m_el[6];
+ /* current data */
+ KaxSegment *segment;
+ KaxCluster *cluster;
- EbmlElement *m_got;
+ mtime_t i_pts;
- int mi_user_level;
- vlc_bool_t mb_keep;
+ 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;
};
-EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start )
+#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 );
+
+/*****************************************************************************
+ * Activate: initializes matroska demux structures
+ *****************************************************************************/
+static int Activate( vlc_object_t * p_this )
{
- int i;
+ input_thread_t *p_input = (input_thread_t *)p_this;
+ demux_sys_t *p_sys;
+ uint8_t *p_peek;
- m_es = es;
- m_got = NULL;
- m_el[0] = el_start;
+ int i_track;
+ vlc_bool_t b_audio_selected;
+ int i_spu_channel, i_audio_channel;
- for( i = 1; i < 6; i++ )
+ EbmlElement *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL;
+
+
+ /* Initialize access plug-in structures. */
+ if( p_input->i_mtu == 0 )
{
- m_el[i] = NULL;
+ /* Improve speed. */
+ p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
}
- mi_level = 1;
- mi_user_level = 1;
- mb_keep = VLC_FALSE;
-}
-EbmlParser::~EbmlParser( void )
-{
- int i;
+ /* Set the demux function */
+ p_input->pf_demux = Demux;
- 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];
-}
-
-/*****************************************************************************
- * Some functions to manipulate memory
- *****************************************************************************/
-#define GetWLE( p ) __GetWLE( (uint8_t*)p )
-#define GetDWLE( p ) __GetDWLE( (uint8_t*)p )
-#define GetFOURCC( p ) __GetFOURCC( (uint8_t*)p )
-static uint16_t __GetWLE( uint8_t *p )
-{
- return (uint16_t)p[0] | ( ((uint16_t)p[1]) << 8 );
-}
-static uint32_t __GetDWLE( uint8_t *p )
-{
- return (uint32_t)p[0] | ( ((uint32_t)p[1]) << 8 ) |
- ( ((uint32_t)p[2]) << 16 ) | ( ((uint32_t)p[3]) << 24 );
-}
-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
-{
- int i_cat;
- vlc_bool_t b_default;
- int i_number;
-
- int i_extra_data;
- uint8_t *p_extra_data;
-
- char *psz_language;
-
- char *psz_codec;
- vlc_fourcc_t i_codec;
-
- uint64_t i_default_duration;
- /* video */
- int i_width;
- int i_height;
- int i_display_width;
- int i_display_height;
- float f_fps;
-
-
- /* audio */
- int i_channels;
- int i_samplerate;
- int i_bitspersample;
-
- es_descriptor_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;
-} 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;
-
- /* 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;
-};
-
-#define MKVD_TIMECODESCALE 1000000
-
-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
-}
-
-
-/*****************************************************************************
- * Activate: initializes matroska demux structures
- *****************************************************************************/
-static int Activate( 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;
- vlc_bool_t b_audio_selected;
- int i_spu_channel, i_audio_channel;
-
- EbmlElement *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL;
-
- input_info_category_t *p_cat;
-
- /* Initialize access plug-in structures. */
- if( p_input->i_mtu == 0 )
- {
- /* Improve speed. */
- p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
- }
-
- /* Set the demux function */
- p_input->pf_demux = Demux;
-
- /* peek the begining */
- if( input_Peek( p_input, &p_peek, 4 ) < 4 )
+ /* peek the begining */
+ if( input_Peek( p_input, &p_peek, 4 ) < 4 )
{
msg_Warn( p_input, "cannot peek" );
return VLC_EGENERIC;
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" );
msg_Dbg( p_input, "| | + Duration=%f", p_sys->f_duration );
}
- else
+ else if( EbmlId( *el2 ) == KaxMuxingApp::ClassInfos.GlobalId )
{
- msg_Dbg( p_input, "| | + Unknow (%s)", typeid(*el2).name() );
+ 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_TIME_H
+ 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, "| | + Unknow (%s)", typeid(*el2).name() );
+ }
+ }
p_sys->ep->Up();
}
else if( EbmlId( *el1 ) == KaxTracks::ClassInfos.GlobalId )
msg_Dbg( p_input, "| | | = chapters at %lld", 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 %lld", i_pos );
+ p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos );
+ }
+
}
}
else
msg_Warn( p_input, "chapters unsupported" );
}
-#if 0
- if( p_sys->i_cues_position == -1 && config_GetInt( p_input, "mkv-index" ) != 0 )
- {
- int64_t i_sav_position = p_sys->in->getFilePointer();
- EbmlParser *ep;
-
- /* parse to find cues gathering info on all clusters */
- msg_Dbg( p_input, "no cues referenced, looking for one" );
-
- /* ugly but like easier */
- p_sys->in->setFilePointer( p_sys->cluster->GetElementPosition(), seek_beginning );
-
- ep = new EbmlParser( p_sys->es, p_sys->segment );
- while( ( el = ep->Get() ) != NULL )
- {
- if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId )
- {
- int64_t i_pos = el->GetElementPosition();
-
- msg_Dbg( p_input, "found a cluster at %lld", i_pos );
- }
- else if( EbmlId( *el ) == KaxCues::ClassInfos.GlobalId )
- {
- msg_Dbg( p_input, "found a Cues !" );
- }
- }
- delete ep;
- msg_Dbg( p_input, "lookind done." );
-
- p_sys->in->setFilePointer( i_sav_position, seek_beginning );
- }
-#endif
-
/* *** Load the cue if found *** */
if( p_sys->i_cues_position >= 0 && p_input->stream.b_seekable )
{
- int64_t i_sav_position = p_sys->in->getFilePointer();
- EbmlParser *ep;
- EbmlElement *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)" );
- }
- else
- {
- 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, " * Unknow (%s)", typeid(*el).name() );
- }
- }
- ep->Up();
- }
- else
- {
- msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
- }
- }
- ep->Up();
-
- msg_Dbg( p_input, " * added time=%lld pos=%lld 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, " * Unknow (%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 );
+ LoadCues( p_input );
}
if( !p_sys->b_cues || p_sys->i_index <= 0 )
}
/* add informations */
- 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 );
- }
- 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);
- switch( tk.i_cat )
- {
- case AUDIO_ES:
- input_AddInfo( p_cat, _("Type"), _("Audio") );
- input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
- if( tk.i_channels > 0 )
- {
- input_AddInfo( p_cat, _("Channels"), "%d", tk.i_channels );
- }
- if( tk.i_samplerate > 0 )
- {
- input_AddInfo( p_cat, _("Sample Rate"), "%d", tk.i_samplerate );
- }
- if( tk.i_bitspersample )
- {
- input_AddInfo( p_cat, _("Bits Per Sample"), "%d", tk.i_bitspersample );
- }
- break;
- case VIDEO_ES:
- input_AddInfo( p_cat, _("Type"), _("Video") );
- input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
- if( tk.i_width > 0 && tk.i_height )
- {
- input_AddInfo( p_cat, _("Resolution"), "%dx%d", tk.i_width, tk.i_height );
- }
- if( tk.i_display_width > 0 && tk.i_display_height )
- {
- input_AddInfo( p_cat, _("Display Resolution"), "%dx%d", tk.i_display_width, tk.i_display_height );
- }
- if( tk.f_fps > 0.1 )
- {
- input_AddInfo( p_cat, _("Frame Per Second"), "%.3f", tk.f_fps );
- }
- break;
- case SPU_ES:
- input_AddInfo( p_cat, _("Type"), _("Subtitle") );
- input_AddInfo( p_cat, _("Codec"), "%s", tk.psz_codec );
- break;
- }
+ InformationsCreate( p_input );
-#undef tk
- }
return VLC_SUCCESS;
error:
}
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->ep;
delete p_sys->es;
delete p_sys->in;
p_input->stream.p_selected_area->i_size;
}
- msg_Dbg( p_input, "call Seek" );
Seek( p_input, i_date, i_percent);
- msg_Dbg( p_input, "Seek end" );
}
i_start_pts = -1;
}
+
+/*****************************************************************************
+ * Stream managment
+ *****************************************************************************/
+vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
+{
+ p_input = p_input_;
+ mb_eof = VLC_FALSE;
+}
+uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
+{
+ data_packet_t *p_data;
+
+ int i_count;
+ int i_read = 0;
+
+
+ if( !i_size || mb_eof )
+ {
+ return 0;
+ }
+
+ do
+ {
+ i_count = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 10240 ) );
+ if( i_count <= 0 )
+ {
+ return i_read;
+ }
+ memcpy( p_buffer, p_data->p_payload_start, i_count );
+ input_DeletePacket( p_input->p_method_data, p_data );
+
+ (uint8_t*)p_buffer += i_count;
+ i_size -= i_count;
+ i_read += i_count;
+
+ } while( i_size );
+
+ return i_read;
+}
+void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
+{
+ int64_t i_pos;
+ int64_t i_last;
+
+ i_last = getFilePointer();
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ switch( mode )
+ {
+ case seek_beginning:
+ i_pos = i_offset;
+ break;
+ case seek_end:
+ i_pos = p_input->stream.p_selected_area->i_size - i_offset;
+ break;
+ default:
+ i_pos= i_last + i_offset;
+ break;
+ }
+
+ if( i_pos < 0 ||
+ ( i_pos > p_input->stream.p_selected_area->i_size && p_input->stream.p_selected_area->i_size != 0 ) )
+ {
+ msg_Err( p_input, "seeking to wrong place (i_pos=%lld)", i_pos );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ mb_eof = VLC_TRUE;
+ return;
+ }
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ mb_eof = VLC_FALSE;
+
+ if( i_pos == i_last )
+ {
+ return;
+ }
+
+ msg_Dbg( p_input, "####################seek new=%lld old=%lld", i_pos, getFilePointer() );
+
+ if( p_input->stream.b_seekable &&
+ ( /*p_input->stream.i_method == INPUT_METHOD_FILE ||*/ i_pos < i_last || i_pos - i_last > p_input->i_bufsize / 4 ) )
+ {
+ input_AccessReinit( p_input );
+ p_input->pf_seek( p_input, i_pos );
+ }
+ else if( i_pos > i_last )
+ {
+ data_packet_t *p_data;
+ int i_skip = i_pos - i_last;
+
+ if( i_skip > 1024 )
+ {
+ msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
+ }
+
+ while (i_skip > 0 )
+ {
+ int i_read;
+
+ i_read = input_SplitBuffer( p_input, &p_data,
+ __MIN( 4096, i_skip ) );
+ if( i_read < 0 )
+ {
+ msg_Err( p_input, "seek failed" );
+ mb_eof = VLC_TRUE;
+ return;
+ }
+ i_skip -= i_read;
+
+ input_DeletePacket( p_input->p_method_data, p_data );
+ if( i_read == 0 && i_skip > 0 )
+ {
+ msg_Err( p_input, "seek failed" );
+ mb_eof = VLC_TRUE;
+ return;
+ }
+ }
+ }
+ else
+ {
+ msg_Err( p_input, "cannot seek or emulate seek to %lld from %lld", i_pos, i_last );
+ mb_eof = VLC_TRUE;
+ }
+}
+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 )
+{
+ uint64_t i_pos;
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ i_pos= p_input->stream.p_selected_area->i_tell;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ return i_pos;
+}
+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, " * Unknow (%s)", typeid(*el).name() );
+ }
+ }
+ ep->Up();
+ }
+ else
+ {
+ msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
+ }
+ }
+ ep->Up();
+
+ msg_Dbg( p_input, " * added time=%lld pos=%lld 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, " * Unknow (%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);
+ switch( tk.i_cat )
+ {
+ case AUDIO_ES:
+ input_AddInfo( p_cat, _("Type"), _("Audio") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
+ if( tk.i_channels > 0 )
+ {
+ input_AddInfo( p_cat, _("Channels"), "%d", tk.i_channels );
+ }
+ if( tk.i_samplerate > 0 )
+ {
+ input_AddInfo( p_cat, _("Sample Rate"), "%d", tk.i_samplerate );
+ }
+ if( tk.i_bitspersample )
+ {
+ input_AddInfo( p_cat, _("Bits Per Sample"), "%d", tk.i_bitspersample );
+ }
+ break;
+ case VIDEO_ES:
+ input_AddInfo( p_cat, _("Type"), _("Video") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
+ if( tk.i_width > 0 && tk.i_height )
+ {
+ input_AddInfo( p_cat, _("Resolution"), "%dx%d", tk.i_width, tk.i_height );
+ }
+ if( tk.i_display_width > 0 && tk.i_display_height )
+ {
+ input_AddInfo( p_cat, _("Display Resolution"), "%dx%d", tk.i_display_width, tk.i_display_height );
+ }
+ if( tk.f_fps > 0.1 )
+ {
+ input_AddInfo( p_cat, _("Frame Per Second"), "%.3f", tk.f_fps );
+ }
+ break;
+ case SPU_ES:
+ input_AddInfo( p_cat, _("Type"), _("Subtitle") );
+ input_AddInfo( p_cat, _("Codec"), "%s", tk.psz_codec );
+ break;
+ }
+
+#undef tk
+ }
+ if( p_sys->i_tags_position >= 0 && p_input->stream.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;
+}
+