/*****************************************************************************
* matroska_segment.cpp : matroska demuxer
*****************************************************************************
- * Copyright (C) 2003-2010 the VideoLAN team
+ * Copyright (C) 2003-2010 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Steve Lhomme <steve.lhomme@free.fr>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "matroska_segment.hpp"
}
-#define PARSE_TAG( type ) \
- do { \
- msg_Dbg( &sys.demuxer, "| + " type ); \
- ep->Down(); \
- while( ( el = ep->Get() ) != NULL ) \
- { \
- msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() ); \
- } \
- ep->Up(); } while( 0 )
-
static const struct {
vlc_meta_type_t type;
const char *key;
-} metadata_map[] = { {vlc_meta_Title, "TITLE"},
- {vlc_meta_Artist, "ARTIST"},
- {vlc_meta_Genre, "GENRE"},
- {vlc_meta_Copyright, "COPYRIGHT"},
- {vlc_meta_TrackNumber, "PART_NUMBER"},
- {vlc_meta_Description, "DESCRIPTION"},
- {vlc_meta_Description, "COMMENT"},
- {vlc_meta_Rating, "RATING"},
- {vlc_meta_Date, "DATE_RELEASED"},
- {vlc_meta_URL, "URL"},
- {vlc_meta_Publisher, "PUBLISHER"},
- {vlc_meta_EncodedBy, "ENCODED_BY"},
- {vlc_meta_TrackTotal, "TOTAL_PARTS"},
- {vlc_meta_Title, NULL},
+ int target_type; /* 0 is valid for all target_type */
+} metadata_map[] = {
+ {vlc_meta_Album, "TITLE", 50},
+ {vlc_meta_Title, "TITLE", 0},
+ {vlc_meta_Artist, "ARTIST", 0},
+ {vlc_meta_Genre, "GENRE", 0},
+ {vlc_meta_Copyright, "COPYRIGHT", 0},
+ {vlc_meta_TrackNumber, "PART_NUMBER", 0},
+ {vlc_meta_Description, "DESCRIPTION", 0},
+ {vlc_meta_Description, "COMMENT", 0},
+ {vlc_meta_Rating, "RATING", 0},
+ {vlc_meta_Date, "DATE_RELEASED", 0},
+ {vlc_meta_Date, "DATE_RELEASE", 0},
+ {vlc_meta_Date, "DATE_RECORDED", 0},
+ {vlc_meta_URL, "URL", 0},
+ {vlc_meta_Publisher, "PUBLISHER", 0},
+ {vlc_meta_EncodedBy, "ENCODED_BY", 0},
+ {vlc_meta_TrackTotal, "TOTAL_PARTS", 0},
+ {vlc_meta_Title, NULL, 0},
};
-void matroska_segment_c::ParseSimpleTags( KaxTagSimple *tag )
+SimpleTag * matroska_segment_c::ParseSimpleTags( KaxTagSimple *tag, int target_type )
{
EbmlElement *el;
EbmlParser *ep = new EbmlParser( &es, tag, &sys.demuxer );
- char *k = NULL, *v = NULL;
+ SimpleTag * p_simple = new SimpleTag;
+
+ if( !p_simple )
+ {
+ msg_Err( &sys.demuxer, "Couldn't allocate memory for Simple Tag... ignoring it");
+ return NULL;
+ }
if( !sys.meta )
sys.meta = vlc_meta_New();
{
KaxTagName &key = *(KaxTagName*)el;
key.ReadData( es.I_O(), SCOPE_ALL_DATA );
- k = strdup( UTFstring( key ).GetUTF8().c_str() );
+ p_simple->psz_tag_name = strdup( UTFstring( key ).GetUTF8().c_str() );
}
- if( MKV_IS_ID( el, KaxTagString ) )
+ else if( MKV_IS_ID( el, KaxTagString ) )
{
KaxTagString &value = *(KaxTagString*)el;
value.ReadData( es.I_O(), SCOPE_ALL_DATA );
- v = strdup( UTFstring( value ).GetUTF8().c_str() );
+ p_simple->p_value = strdup( UTFstring( value ).GetUTF8().c_str() );
+ }
+ else if( MKV_IS_ID( el, KaxTagLangue ) )
+ {
+ KaxTagLangue &language = *(KaxTagLangue*) el;
+ language.ReadData( es.I_O(), SCOPE_ALL_DATA );
+ p_simple->psz_lang = strdup( string( language ).c_str());
}
+ else if( MKV_IS_ID( el, KaxTagDefault ) )
+ {
+ KaxTagDefault & dft = *(KaxTagDefault*) el;
+ dft.ReadData( es.I_O(), SCOPE_ALL_DATA );
+ p_simple->b_default = (bool) uint8( dft );
+ }
+ /*Tags can be nested*/
+ else if( MKV_IS_ID( el, KaxTagSimple) )
+ {
+ SimpleTag * p_st = ParseSimpleTags( (KaxTagSimple*)el, target_type );
+ if( p_st )
+ p_simple->sub_tags.push_back( p_st );
+ }
+ /*TODO Handle binary tags*/
}
delete ep;
- if( !k || !v )
+ if( !p_simple->psz_tag_name || !p_simple->p_value )
{
msg_Warn( &sys.demuxer, "Invalid MKV SimpleTag found.");
- return;
+ delete p_simple;
+ return NULL;
}
for( int i = 0; metadata_map[i].key; i++ )
{
- if( !strcmp( k, metadata_map[i].key ) )
+ if( !strcmp( p_simple->psz_tag_name, metadata_map[i].key ) &&
+ (metadata_map[i].target_type == 0 || target_type == metadata_map[i].target_type ) )
{
- vlc_meta_Set( sys.meta, metadata_map[i].type, v );
+ vlc_meta_Set( sys.meta, metadata_map[i].type, p_simple->p_value );
+ msg_Dbg( &sys.demuxer, "| | + Meta %s: %s", p_simple->psz_tag_name, p_simple->p_value);
goto done;
}
}
- msg_Dbg( &sys.demuxer, "| | + %s: %s", k, v);
- vlc_meta_AddExtra( sys.meta, k, v );
+ msg_Dbg( &sys.demuxer, "| | + Meta %s: %s", p_simple->psz_tag_name, p_simple->p_value);
+ vlc_meta_AddExtra( sys.meta, p_simple->psz_tag_name, p_simple->p_value);
done:
- free( k );
- free( v );
- return;
+ return p_simple;
}
+#define PARSE_TAG( type ) \
+ do { \
+ msg_Dbg( &sys.demuxer, "| + " type ); \
+ ep->Down(); \
+ while( ( el = ep->Get() ) != NULL ) \
+ { \
+ msg_Dbg( &sys.demuxer, "| | + Unknown (%s)", typeid( *el ).name() ); \
+ } \
+ ep->Up(); } while( 0 )
+
+
void matroska_segment_c::LoadTags( KaxTags *tags )
{
/* Master elements */
{
if( MKV_IS_ID( el, KaxTag ) )
{
+ Tag * p_tag = new Tag;
+ if(!p_tag)
+ {
+ msg_Err( &sys.demuxer,"Couldn't allocate memory for tag... ignoring it");
+ continue;
+ }
msg_Dbg( &sys.demuxer, "+ Tag" );
ep->Down();
+ int target_type = 50;
while( ( el = ep->Get() ) != NULL )
{
if( MKV_IS_ID( el, KaxTagTargets ) )
- PARSE_TAG( "Targets" );
+ {
+ msg_Dbg( &sys.demuxer, "| + Targets" );
+ ep->Down();
+ while( ( el = ep->Get() ) != NULL )
+ {
+ if( MKV_IS_ID( el, KaxTagTargetTypeValue ) )
+ {
+ KaxTagTargetTypeValue &value = *(KaxTagTargetTypeValue*)el;
+ value.ReadData( es.I_O() );
+
+ msg_Dbg( &sys.demuxer, "| | + TargetTypeValue: %u", uint32(value));
+ target_type = uint32(value);
+ }
+ if( MKV_IS_ID( el, KaxTagTrackUID ) )
+ {
+ p_tag->i_tag_type = TRACK_UID;
+ KaxTagTrackUID &uid = *(KaxTagTrackUID*) el;
+ uid.ReadData( es.I_O() );
+ p_tag->i_uid = uint64( uid );
+ msg_Dbg( &sys.demuxer, "| | + TrackUID: %"PRIu64, p_tag->i_uid);
+
+ }
+ if( MKV_IS_ID( el, KaxTagEditionUID ) )
+ {
+ p_tag->i_tag_type = EDITION_UID;
+ KaxTagEditionUID &uid = *(KaxTagEditionUID*) el;
+ uid.ReadData( es.I_O() );
+ p_tag->i_uid = uint64( uid );
+ msg_Dbg( &sys.demuxer, "| | + EditionUID: %"PRIu64, p_tag->i_uid);
+ }
+ if( MKV_IS_ID( el, KaxTagChapterUID ) )
+ {
+ p_tag->i_tag_type = CHAPTER_UID;
+ KaxTagChapterUID &uid = *(KaxTagChapterUID*) el;
+ uid.ReadData( es.I_O() );
+ p_tag->i_uid = uint64( uid );
+ msg_Dbg( &sys.demuxer, "| | + ChapterUID: %"PRIu64, p_tag->i_uid);
+ }
+ if( MKV_IS_ID( el, KaxTagAttachmentUID ) )
+ {
+ p_tag->i_tag_type = ATTACHMENT_UID;
+ KaxTagAttachmentUID &uid = *(KaxTagAttachmentUID*) el;
+ uid.ReadData( es.I_O() );
+ p_tag->i_uid = uint64( uid );
+ msg_Dbg( &sys.demuxer, "| | + AttachmentUID: %"PRIu64, p_tag->i_uid);
+ }
+ }
+ ep->Up();
+ }
+ else if( MKV_IS_ID( el, KaxTagSimple ) )
+ {
+ SimpleTag * p_simple =
+ ParseSimpleTags( static_cast<KaxTagSimple*>( el ),
+ target_type );
+ if( p_simple )
+ p_tag->simple_tags.push_back( p_simple );
+ }
#if 0 // not valid anymore
else if( MKV_IS_ID( el, KaxTagGeneral ) )
PARSE_TAG( "General" );
msg_Dbg( &sys.demuxer, "| + Multi Title" );
}
#endif
- else if( MKV_IS_ID( el, KaxTagSimple ) )
- ParseSimpleTags( static_cast<KaxTagSimple*>( el ) );
else
{
msg_Dbg( &sys.demuxer, "| + LoadTag Unknown (%s)", typeid( *el ).name() );
}
}
ep->Up();
+ this->tags.push_back(p_tag);
}
else
{
}
}
-#if !defined(WIN32) && !defined(__ANDROID__)
/* Don't try complex seek if we seek to 0 */
- if( i_date == 0 )
+ if( i_date == 0 && i_time_offset == 0 )
{
- es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, 0 );
+ es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME,
+ INT64_C(0) );
es_out_Control( sys.demuxer.out, ES_OUT_SET_PCR, VLC_TS_0 );
es.I_O().setFilePointer( i_start_pos );
sys.i_start_pts = 0;
sys.i_pts = 0;
sys.i_pcr = 0;
- return;
+ return;
}
-#endif
int i_idx = 0;
if ( i_index > 0 )
{
spoint * tmp = sp;
sp = sp->p_next;
- delete tmp;
+ delete tmp;
}
return;
}
}
/*Neither video nor audio track... no seek further*/
if( unlikely( !p_first ) )
- return;
+ return;
for(;;)
{
- while( i_pts < i_date )
+ do
{
bool b_key_picture;
bool b_discardable_picture;
}
delete block;
- }
+ } while( i_pts < i_date );
if( b_has_key || !i_idx )
break;
*pb_key_picture = true;
*pb_discardable_picture = false;
+ size_t i_tk;
for( ;; )
{
if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
{
/* Check blocks validity to protect againts broken files */
- if( BlockFindTrackIndex( NULL, pp_block , pp_simpleblock ) )
+ if( BlockFindTrackIndex( &i_tk, pp_block , pp_simpleblock ) )
{
delete pp_block;
pp_simpleblock = NULL;
*pb_key_picture = pp_simpleblock->IsKeyframe();
*pb_discardable_picture = pp_simpleblock->IsDiscardable();
}
+ /* We have block group let's check if the picture is a keyframe */
+ else if( *pb_key_picture )
+ {
+ switch(tracks[i_tk]->fmt.i_codec)
+ {
+ case VLC_CODEC_THEORA:
+ {
+ DataBuffer *p_data = &pp_block->GetBuffer(0);
+ size_t sz = p_data->Size();
+ const uint8_t * p_buff = p_data->Buffer();
+ /* if the second bit of a Theora frame is 1
+ it's not a keyframe */
+ if( sz && p_buff )
+ {
+ if( p_buff[0] & 0x40 )
+ *pb_key_picture = false;
+ }
+ else
+ *pb_key_picture = false;
+ break;
+ }
+ }
+ }
/* update the index */
#define idx p_indexes[i_index - 1]
ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
cluster->InitTimecode( uint64( ctc ), i_timescale );
-
+
/* add it to the index */
if( i_index == 0 ||
( i_index > 0 &&
}
}
+SimpleTag::~SimpleTag()
+{
+ free(psz_tag_name);
+ free(psz_lang);
+ free(p_value);
+ for(size_t i = 0; i < sub_tags.size(); i++)
+ delete sub_tags[i];
+}
+
+Tag::~Tag()
+{
+ for(size_t i = 0; i < simple_tags.size(); i++)
+ delete simple_tags[i];
+}
projects / vlc / blobdiff