backport libebml macros patch

based on vlc.git b985df9294dc563ba9da13795b3fb1a728db7073
they're available since version 1.0.0
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/demux/mkv/Ebml_parser.cpp

@@ -144,7 +144,7 @@ class KaxBlockVirtualWorkaround : public KaxBlockVirtual
 public:
     void Fix()
     {
-        if( Data == DataBlock )
+        if( GetBuffer() == DataBlock )
             SetBuffer( NULL, 0 );
     }
 };
@@ -167,7 +167,7 @@ EbmlElement *EbmlParser::Get( void )
 
     if( m_el[mi_level] )
     {
-        m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
+        m_el[mi_level]->SkipData( *m_es, EBML_CONTEXT(m_el[mi_level]) );
         if( !mb_keep )
         {
             if( MKV_IS_ID( m_el[mi_level], KaxBlockVirtual ) )
@@ -177,7 +177,7 @@ EbmlElement *EbmlParser::Get( void )
         mb_keep = false;
     }
 
-    m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
+    m_el[mi_level] = m_es->FindNextElement( EBML_CONTEXT(m_el[mi_level - 1]), i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
     if( i_ulev > 0 )
     {

modules/demux/mkv/demux.cpp

@@ -56,7 +56,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
     bool b_keep_stream = false, b_keep_segment;
 
     // verify the EBML Header
-    p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
+    p_l0 = p_estream->FindNextID(EBML_INFO(EbmlHead), 0xFFFFFFFFL);
     if (p_l0 == NULL)
     {
         msg_Err( p_demux, "No EBML header found" );
@@ -64,7 +64,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
     }
 
     // verify we can read this Segment, we only support Matroska version 1 for now
-    p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
+    p_l0->Read(*p_estream, EBML_CLASS_CONTEXT(EbmlHead), i_upper_lvl, p_l0, true);
 
     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
     if (std::string(doc_type) != "matroska" && std::string(doc_type) != "webm" )
@@ -84,7 +84,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
 
 
     // find all segments in this file
-    p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
+    p_l0 = p_estream->FindNextID(EBML_INFO(KaxSegment), 0xFFFFFFFFFLL);
     if (p_l0 == NULL)
     {
         return NULL;
@@ -111,7 +111,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
                     // find the families of this segment
                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
 
-                    p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
+                    p_info->Read(*p_estream, EBML_CLASS_CONTEXT(KaxInfo), i_upper_lvl, p_l2, true);
                     for( i = 0; i < p_info->ListSize(); i++ )
                     {
                         EbmlElement *l = (*p_info)[i];
@@ -157,7 +157,7 @@ matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlS
         if (p_l0->IsFiniteSize() )
         {
             p_l0->SkipData(*p_estream, KaxMatroska_Context);
-            p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
+            p_l0 = p_estream->FindNextID(EBML_INFO(KaxSegment), 0xFFFFFFFFL);
         }
         else
         {

modules/demux/mkv/matroska_segment_parse.cpp

@@ -57,7 +57,7 @@ void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
     {
         if( MKV_IS_ID( l, KaxSeek ) )
         {
-            EbmlId id = EbmlVoid::ClassInfos.GlobalId;
+            EbmlId id = EBML_ID(EbmlVoid);
             int64_t i_pos = -1;
 
             msg_Dbg( &sys.demuxer, "|   |   + Seek" );
@@ -86,40 +86,40 @@ void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
 
             if( i_pos >= 0 )
             {
-                if( id == KaxCues::ClassInfos.GlobalId )
+                if( id == EBML_ID(KaxCues) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - cues at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxCues::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxCues), i_pos );
                 }
-                else if( id == KaxInfo::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxInfo) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - info at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxInfo::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxInfo), i_pos );
                 }
-                else if( id == KaxChapters::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxChapters) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - chapters at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxChapters::ClassInfos, i_pos );
+                    LoadSeekHeadItem(  EBML_INFO(KaxChapters), i_pos );
                 }
-                else if( id == KaxTags::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxTags) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - tags at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxTags::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxTags), i_pos );
                 }
-                else if( id == KaxSeekHead::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxSeekHead) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - chained seekhead at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxSeekHead::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxSeekHead), i_pos );
                 }
-                else if( id == KaxTracks::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxTracks) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - tracks at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxTracks::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxTracks), i_pos );
                 }
-                else if( id == KaxAttachments::ClassInfos.GlobalId )
+                else if( id == EBML_ID(KaxAttachments) )
                 {
                     msg_Dbg( &sys.demuxer, "|   - attachments at %"PRId64, i_pos );
-                    LoadSeekHeadItem( KaxAttachments::ClassInfos, i_pos );
+                    LoadSeekHeadItem( EBML_INFO(KaxAttachments), i_pos );
                 }
                 else
                     msg_Dbg( &sys.demuxer, "|   - unknown seekhead reference at %"PRId64, i_pos );
@@ -654,7 +654,7 @@ void matroska_segment_c::ParseTracks( KaxTracks *tracks )
     int i_upper_level = 0;
 
     /* Master elements */
-    tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
+    tracks->Read( es, EBML_CONTEXT(tracks), i_upper_level, el, true );
 
     for( i = 0; i < tracks->ListSize(); i++ )
     {
@@ -683,7 +683,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
 
     /* Master elements */
     m = static_cast<EbmlMaster *>(info);
-    m->Read( es, info->Generic().Context, i_upper_level, el, true );
+    m->Read( es, EBML_CONTEXT(info), i_upper_level, el, true );
 
     for( i = 0; i < m->ListSize(); i++ )
     {
@@ -792,7 +792,7 @@ void matroska_segment_c::ParseInfo( KaxInfo *info )
             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
             chapter_translation_c *p_translate = new chapter_translation_c();
 
-            p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
+            p_trans->Read( es, EBML_CONTEXT(p_trans), i_upper_level, el, true );
             for( j = 0; j < p_trans->ListSize(); j++ )
             {
                 EbmlElement *l = (*p_trans)[j];
@@ -961,7 +961,7 @@ void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
     EbmlElement *el;
     int i_upper_level = 0;
 
-    attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
+    attachments->Read( es, EBML_CONTEXT(attachments), i_upper_level, el, true );
 
     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
 
@@ -1006,7 +1006,7 @@ void matroska_segment_c::ParseChapters( KaxChapters *chapters )
     mtime_t i_dur;
 
     /* Master elements */
-    chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
+    chapters->Read( es, EBML_CONTEXT(chapters), i_upper_level, el, true );
 
     for( i = 0; i < chapters->ListSize(); i++ )
     {
@@ -1078,7 +1078,7 @@ void matroska_segment_c::ParseCluster( )
 
     /* Master elements */
     m = static_cast<EbmlMaster *>( cluster );
-    m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
+    m->Read( es, EBML_CONTEXT(cluster), i_upper_level, el, true );
 
     for( i = 0; i < m->ListSize(); i++ )
     {

modules/demux/mkv/mkv.hpp

@@ -121,6 +121,12 @@ extern "C" {
 
 #define MKV_IS_ID( el, C ) ( el != NULL && typeid( *el ) == typeid( C ) )
 
+#if LIBEBML_VERSION < 0x010000
+#define EBML_INFO(ref)             ref::ClassInfos
+#define EBML_ID(ref)               ref::ClassInfos.GlobalId
+#define EBML_CLASS_CONTEXT(ref)    ref::ClassInfos.Context
+#define EBML_CONTEXT(e)            (e)->Generic().Context
+#endif
 
 using namespace LIBMATROSKA_NAMESPACE;
 using namespace std;