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Commit d63923c4 authored by Steve Lhomme's avatar Steve Lhomme
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mkv.cpp: no more crash on linked segments or multi-segment files

parent 25d14966
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Showing with 108 additions and 133 deletions
modules/demux/mkv.cpp
View file @ d63923c4
......@@ -516,6 +516,9 @@ public:
void ParseChapterAtom( int i_level, EbmlMaster *ca, chapter_item_t & chapters );
void ParseTrackEntry( EbmlMaster *m );
void IndexAppendCluster( KaxCluster *cluster );
void LoadCues( );
void LoadTags( );
void InformationCreate( );
int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
bool Select( mtime_t i_start_time );
void UnSelect( );
......@@ -535,8 +538,6 @@ public:
~matroska_stream_t()
{
for ( size_t i=0; i<segments.size(); i++ )
delete segments[i];
delete p_in;
delete p_es;
}
......@@ -583,6 +584,8 @@ public:
{
for (size_t i=0; i<streams.size(); i++)
delete streams[i];
for ( size_t i=0; i<opened_segments.size(); i++ )
delete opened_segments[i];
}
/* current data */
......@@ -596,8 +599,9 @@ public:
input_title_t *title;
std::vector<matroska_stream_t*> streams;
int i_current_stream;
std::vector<matroska_stream_t*> streams;
int i_current_stream;
std::vector<matroska_segment_t*> opened_segments;
inline matroska_stream_t *Stream()
{
......@@ -620,8 +624,6 @@ static void Seek ( demux_t *, mtime_t i_date, double f_percent, const chapter_
#define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
static char *UTF8ToStr ( const UTFstring &u );
static void LoadCues ( demux_t * );
static void InformationCreate ( demux_t * );
/*****************************************************************************
* Open: initializes matroska demux structures
......@@ -756,18 +758,6 @@ static int Open( vlc_object_t * p_this )
p_sys->PreloadLinked( );
p_sys->PreparePlayback( );
/* *** Load the cue if found *** */
if( p_segment->i_cues_position >= 0 )
{
vlc_bool_t b_seekable;
stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
if( b_seekable )
{
LoadCues( p_demux );
}
}
if( !p_segment->b_cues || p_segment->i_index <= 0 )
{
msg_Warn( p_demux, "no cues/empty cues found->seek won't be precise" );
......@@ -778,7 +768,7 @@ static int Open( vlc_object_t * p_this )
}
/* add information */
InformationCreate( p_demux );
p_segment->InformationCreate( );
if ( !p_segment->Select( 0 ) )
{
......@@ -800,14 +790,6 @@ static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
matroska_stream_t *p_stream = p_sys->Stream();
if ( p_stream != NULL )
{
matroska_segment_t *p_segment = p_stream->Segment();
if ( p_segment )
delete p_segment->segment;
}
delete p_sys;
}
......@@ -1212,6 +1194,7 @@ matroska_stream_t *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
b_keep_segment = (FindSegment( *p_uid ) == NULL);
if ( !b_keep_segment )
break; // this segment is already known
opened_segments.push_back( p_segment1 );
p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
}
else if( MKV_IS_ID( l, KaxPrevUID ) )
......@@ -1811,6 +1794,7 @@ static int Demux( demux_t *p_demux)
demux_sys_t *p_sys = p_demux->p_sys;
matroska_stream_t *p_stream = p_sys->Stream();
matroska_segment_t *p_segment = p_stream->Segment();
if ( p_segment == NULL ) return 0;
int i_block_count = 0;
KaxBlock *block;
......@@ -1858,24 +1842,12 @@ static int Demux( demux_t *p_demux)
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
/* switch to the next segment (TODO update the duration) */
/* switch to the next segment */
p_stream->i_current_segment++;
p_segment = p_stream->Segment();
if ( !p_segment || !p_segment->Select( 0 ) )
{
for (;;)
{
p_sys->i_current_stream++;
p_stream = p_sys->Stream();
if ( p_stream )
{
p_segment = p_stream->Segment();
if ( p_segment && p_segment->Select( 0 ) )
break;
}
return 0;
}
}
// no more segments in this stream
return 0;
continue;
}
......@@ -2105,32 +2077,39 @@ EbmlElement *EbmlParser::Get( void )
* * InformationCreate : create all information, load tags if present
*
*****************************************************************************/
static void LoadCues( demux_t *p_demux )
void matroska_segment_t::LoadCues( )
{
demux_sys_t *p_sys = p_demux->p_sys;
matroska_stream_t *p_stream = p_sys->Stream();
matroska_segment_t *p_segment = p_stream->Segment();
int64_t i_sav_position = p_stream->p_in->getFilePointer();
int64_t i_sav_position = es.I_O().getFilePointer();
EbmlParser *ep;
EbmlElement *el, *cues;
msg_Dbg( p_demux, "loading cues" );
p_stream->p_in->setFilePointer( p_segment->i_cues_position, seek_beginning );
cues = p_stream->p_es->FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
/* *** Load the cue if found *** */
if( i_cues_position < 0 )
return;
vlc_bool_t b_seekable;
stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
if( !b_seekable )
return;
msg_Dbg( &sys.demuxer, "loading cues" );
es.I_O().setFilePointer( i_cues_position, seek_beginning );
cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
if( cues == NULL )
{
msg_Err( p_demux, "cannot load cues (broken seekhead or file)" );
p_stream->p_in->setFilePointer( i_sav_position, seek_beginning );
msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
es.I_O().setFilePointer( i_sav_position, seek_beginning );
return;
}
ep = new EbmlParser( p_stream->p_es, cues );
ep = new EbmlParser( &es, cues );
while( ( el = ep->Get() ) != NULL )
{
if( MKV_IS_ID( el, KaxCuePoint ) )
{
#define idx p_segment->index[p_segment->i_index]
#define idx index[i_index]
idx.i_track = -1;
idx.i_block_number= -1;
......@@ -2145,9 +2124,9 @@ static void LoadCues( demux_t *p_demux )
{
KaxCueTime &ctime = *(KaxCueTime*)el;
ctime.ReadData( p_stream->p_es->I_O() );
ctime.ReadData( es.I_O() );
idx.i_time = uint64( ctime ) * p_segment->i_timescale / (mtime_t)1000;
idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
}
else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
{
......@@ -2158,190 +2137,187 @@ static void LoadCues( demux_t *p_demux )
{
KaxCueTrack &ctrack = *(KaxCueTrack*)el;
ctrack.ReadData( p_stream->p_es->I_O() );
ctrack.ReadData( es.I_O() );
idx.i_track = uint16( ctrack );
}
else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
{
KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
ccpos.ReadData( p_stream->p_es->I_O() );
idx.i_position = p_segment->segment->GetGlobalPosition( uint64( ccpos ) );
ccpos.ReadData( es.I_O() );
idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
}
else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
{
KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
cbnum.ReadData( p_stream->p_es->I_O() );
cbnum.ReadData( es.I_O() );
idx.i_block_number = uint32( cbnum );
}
else
{
msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
}
}
ep->Up();
}
else
{
msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
}
}
ep->Up();
#if 0
msg_Dbg( p_demux, " * added time="I64Fd" pos="I64Fd
msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
" track=%d bnum=%d", idx.i_time, idx.i_position,
idx.i_track, idx.i_block_number );
#endif
p_segment->i_index++;
if( p_segment->i_index >= p_segment->i_index_max )
i_index++;
if( i_index >= i_index_max )
{
p_segment->i_index_max += 1024;
p_segment->index = (mkv_index_t*)realloc( p_segment->index, sizeof( mkv_index_t ) * p_segment->i_index_max );
i_index_max += 1024;
index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
}
#undef idx
}
else
{
msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
}
}
delete ep;
delete cues;
p_segment->b_cues = VLC_TRUE;
b_cues = VLC_TRUE;
msg_Dbg( p_demux, "loading cues done." );
p_stream->p_in->setFilePointer( i_sav_position, seek_beginning );
msg_Dbg( &sys.demuxer, "loading cues done." );
es.I_O().setFilePointer( i_sav_position, seek_beginning );
}
static void LoadTags( demux_t *p_demux )
void matroska_segment_t::LoadTags( )
{
demux_sys_t *p_sys = p_demux->p_sys;
matroska_stream_t *p_stream = p_sys->Stream();
matroska_segment_t *p_segment = p_stream->Segment();
int64_t i_sav_position = p_stream->p_in->getFilePointer();
int64_t i_sav_position = es.I_O().getFilePointer();
EbmlParser *ep;
EbmlElement *el, *tags;
msg_Dbg( p_demux, "loading tags" );
p_stream->p_in->setFilePointer( p_segment->i_tags_position, seek_beginning );
tags = p_stream->p_es->FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
msg_Dbg( &sys.demuxer, "loading tags" );
es.I_O().setFilePointer( i_tags_position, seek_beginning );
tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
if( tags == NULL )
{
msg_Err( p_demux, "cannot load tags (broken seekhead or file)" );
p_stream->p_in->setFilePointer( i_sav_position, seek_beginning );
msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
es.I_O().setFilePointer( i_sav_position, seek_beginning );
return;
}
msg_Dbg( p_demux, "Tags" );
ep = new EbmlParser( p_stream->p_es, tags );
msg_Dbg( &sys.demuxer, "Tags" );
ep = new EbmlParser( &es, tags );
while( ( el = ep->Get() ) != NULL )
{
if( MKV_IS_ID( el, KaxTag ) )
{
msg_Dbg( p_demux, "+ Tag" );
msg_Dbg( &sys.demuxer, "+ Tag" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( MKV_IS_ID( el, KaxTagTargets ) )
{
msg_Dbg( p_demux, "| + Targets" );
msg_Dbg( &sys.demuxer, "| + Targets" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( MKV_IS_ID( el, KaxTagGeneral ) )
{
msg_Dbg( p_demux, "| + General" );
msg_Dbg( &sys.demuxer, "| + General" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( MKV_IS_ID( el, KaxTagGenres ) )
{
msg_Dbg( p_demux, "| + Genres" );
msg_Dbg( &sys.demuxer, "| + Genres" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
{
msg_Dbg( p_demux, "| + Audio Specific" );
msg_Dbg( &sys.demuxer, "| + Audio Specific" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
{
msg_Dbg( p_demux, "| + Images Specific" );
msg_Dbg( &sys.demuxer, "| + Images Specific" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( MKV_IS_ID( el, KaxTagMultiComment ) )
{
msg_Dbg( p_demux, "| + Multi Comment" );
msg_Dbg( &sys.demuxer, "| + Multi Comment" );
}
else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
{
msg_Dbg( p_demux, "| + Multi Commercial" );
msg_Dbg( &sys.demuxer, "| + Multi Commercial" );
}
else if( MKV_IS_ID( el, KaxTagMultiDate ) )
{
msg_Dbg( p_demux, "| + Multi Date" );
msg_Dbg( &sys.demuxer, "| + Multi Date" );
}
else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
{
msg_Dbg( p_demux, "| + Multi Entity" );
msg_Dbg( &sys.demuxer, "| + Multi Entity" );
}
else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
{
msg_Dbg( p_demux, "| + Multi Identifier" );
msg_Dbg( &sys.demuxer, "| + Multi Identifier" );
}
else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
{
msg_Dbg( p_demux, "| + Multi Legal" );
msg_Dbg( &sys.demuxer, "| + Multi Legal" );
}
else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
{
msg_Dbg( p_demux, "| + Multi Title" );
msg_Dbg( &sys.demuxer, "| + Multi Title" );
}
else
{
msg_Dbg( p_demux, "| + Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "| + Unknown (%s)", typeid( *el ).name() );
}
}
ep->Up();
}
else
{
msg_Dbg( p_demux, "+ Unknown (%s)", typeid( *el ).name() );
msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
}
}
delete ep;
delete tags;
msg_Dbg( p_demux, "loading tags done." );
p_stream->p_in->setFilePointer( i_sav_position, seek_beginning );
msg_Dbg( &sys.demuxer, "loading tags done." );
es.I_O().setFilePointer( i_sav_position, seek_beginning );
}
/*****************************************************************************
......@@ -3155,75 +3131,72 @@ void matroska_segment_t::ParseChapters( EbmlElement *chapters )
/*****************************************************************************
* InformationCreate:
*****************************************************************************/
static void InformationCreate( demux_t *p_demux )
void matroska_segment_t::InformationCreate( )
{
demux_sys_t *p_sys = p_demux->p_sys;
matroska_stream_t *p_stream = p_sys->Stream();
matroska_segment_t *p_segment = p_stream->Segment();
size_t i_track;
p_sys->meta = vlc_meta_New();
sys.meta = vlc_meta_New();
if( p_segment->psz_title )
if( psz_title )
{
vlc_meta_Add( p_sys->meta, VLC_META_TITLE, p_segment->psz_title );
vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
}
if( p_segment->psz_date_utc )
if( psz_date_utc )
{
vlc_meta_Add( p_sys->meta, VLC_META_DATE, p_segment->psz_date_utc );
vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
}
if( p_segment->psz_segment_filename )
if( psz_segment_filename )
{
vlc_meta_Add( p_sys->meta, _("Segment filename"), p_segment->psz_segment_filename );
vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
}
if( p_segment->psz_muxing_application )
if( psz_muxing_application )
{
vlc_meta_Add( p_sys->meta, _("Muxing application"), p_segment->psz_muxing_application );
vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
}
if( p_segment->psz_writing_application )
if( psz_writing_application )
{
vlc_meta_Add( p_sys->meta, _("Writing application"), p_segment->psz_writing_application );
vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
}
for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
for( i_track = 0; i_track < tracks.size(); i_track++ )
{
mkv_track_t *tk = p_segment->tracks[i_track];
mkv_track_t *tk = tracks[i_track];
vlc_meta_t *mtk = vlc_meta_New();
p_sys->meta->track = (vlc_meta_t**)realloc( p_sys->meta->track,
sizeof( vlc_meta_t * ) * ( p_sys->meta->i_track + 1 ) );
p_sys->meta->track[p_sys->meta->i_track++] = mtk;
sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
sys.meta->track[sys.meta->i_track++] = mtk;
if( tk->fmt.psz_description )
{
vlc_meta_Add( p_sys->meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
}
if( tk->psz_codec_name )
{
vlc_meta_Add( p_sys->meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
}
if( tk->psz_codec_settings )
{
vlc_meta_Add( p_sys->meta, VLC_META_SETTING, tk->psz_codec_settings );
vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
}
if( tk->psz_codec_info_url )
{
vlc_meta_Add( p_sys->meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
}
if( tk->psz_codec_download_url )
{
vlc_meta_Add( p_sys->meta, VLC_META_URL, tk->psz_codec_download_url );
vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
}
}
if( p_segment->i_tags_position >= 0 )
if( i_tags_position >= 0 )
{
vlc_bool_t b_seekable;
stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
if( b_seekable )
{
LoadTags( p_demux );
LoadTags( );
}
}
}
......@@ -3502,6 +3475,8 @@ void matroska_stream_t::PreparePlayback( )
for (i=0; i<segments.size(); i++)
{
f_duration += segments[i]->f_duration;
segments[i]->LoadCues( );
}
// sort segment order
......
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