added standard avi index parsing

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6394 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/media/plugins/avi_reader/libOpenDML/OpenDMLParser.cpp

@@ -20,6 +20,7 @@ struct movie_chunk
 OpenDMLParser::OpenDMLParser()
  :	fSource(0),
  	fSize(0),
+ 	fMovieListStart(0),
  	fStandardIndexStart(0),
  	fStandardIndexSize(0),
  	fStreamCount(0),
@@ -65,6 +66,12 @@ OpenDMLParser::StandardIndexSize()
 	return fStandardIndexSize;
 }
 
+int64
+OpenDMLParser::MovieListStart()
+{
+	return fMovieListStart;
+}
+
 const avi_main_header *
 OpenDMLParser::AviMainHeader()
 {
@@ -602,6 +609,9 @@ void
 OpenDMLParser::ParseList_movi(uint64 start, uint32 size)
 {
 	TRACE("OpenDMLParser::ParseList_movi\n");
+
+	if (fMovieListStart == 0)
+		fMovieListStart = start;
 	
 	fMovieChunkCount++;
 	return;