adding mikmod

Original commit message from CVS:
adding mikmod

1 files changed, 122 insertions, 0 deletions

diff --git a/ext/mikmod/mikmod_reader.c b/ext/mikmod/mikmod_reader.c
new file mode 100644
index 00000000..97cf70c4
--- /dev/null
+++ b/ext/mikmod/mikmod_reader.c
@@ -0,0 +1,122 @@
+#include <unistd.h>
+#include <string.h>
+
+#include "gstmikmod.h"
+
+extern int need_sync;
+
+static BOOL GST_READER_Eof ( MREADER *reader );
+static BOOL GST_READER_Read( MREADER *reader, void *ptr, size_t size );
+static int  GST_READER_Get ( MREADER *reader );
+static BOOL GST_READER_Seek( MREADER* reader,long offset,int whence );
+static long GST_READER_Tell( MREADER* reader );
+
+
+static BOOL GST_READER_Eof( MREADER *reader )
+{
+GST_READER *gst_reader;
+
+  gst_reader = ( GST_READER * ) reader;
+
+  return gst_reader->eof;
+}
+
+
+static BOOL GST_READER_Read( MREADER *reader, void *ptr, size_t size )
+{
+GST_READER *gst_reader;
+
+  gst_reader = ( GST_READER * ) reader;
+       
+  /*tmp->mik->Buffer = gst_pad_pullregion( tmp->mik->sinkpad, GST_REGION_OFFSET_LEN, tmp->offset, size );*/
+
+  memcpy( ptr, GST_BUFFER_DATA( gst_reader->mik->Buffer ) + gst_reader->offset, size);
+  gst_reader->offset = gst_reader->offset + size;   
+
+/*  if ( GST_BUFFER_SIZE( tmp->mik->Buffer ) != size )
+    tmp->eof = 1;
+  else
+    tmp->eof = 0;
+        
+  if (GST_BUFFER_FLAG_IS_SET (tmp->mik->Buffer, GST_BUFFER_FLUSH))        
+  	need_sync = 1;
+        
+  gst_buffer_unref( tmp->mik->Buffer );*/
+
+  return 1;
+}
+
+
+static int GST_READER_Get ( MREADER *reader )
+{
+GST_READER *gst_reader;
+int res;
+
+  gst_reader = ( GST_READER * ) reader;
+        
+  /*tmp->mik->Buffer = gst_pad_pullregion( tmp->mik->sinkpad, GST_REGION_OFFSET_LEN, tmp->offset, 1 );*/  
+  res = *( GST_BUFFER_DATA( gst_reader->mik->Buffer ) + gst_reader->offset );
+  gst_reader->offset += 1;
+        
+/*  if ( GST_BUFFER_SIZE( tmp->mik->Buffer ) != 1 )
+    tmp->eof = 1;
+  else
+    tmp->eof = 0;
+    
+  gst_buffer_unref( tmp->mik->Buffer );*/
+
+  return res;
+}
+
+
+static BOOL GST_READER_Seek( MREADER *reader, long offset, int whence )
+{
+GST_READER *gst_reader;
+    
+  gst_reader = ( GST_READER * ) reader;
+
+  if ( whence == SEEK_SET )
+    gst_reader->offset = offset;
+  else
+    gst_reader->offset += offset;
+
+  return 1;
+}
+
+
+static long GST_READER_Tell( MREADER *reader )
+{
+GST_READER *gst_reader;
+
+  gst_reader = ( GST_READER * ) reader;
+
+  return gst_reader->offset;
+}
+
+
+MREADER *GST_READER_new( GstMikMod *mik )
+{
+GST_READER *gst_reader;
+	
+  gst_reader = ( GST_READER * ) g_malloc( sizeof( GST_READER ));
+  gst_reader->offset = 0;
+  gst_reader->eof    = 0;
+  gst_reader->mik    = mik;
+  if ( gst_reader ) 
+  {
+     gst_reader->core.Eof  = &GST_READER_Eof;
+     gst_reader->core.Read = &GST_READER_Read;
+     gst_reader->core.Get  = &GST_READER_Get;
+     gst_reader->core.Seek = &GST_READER_Seek;
+     gst_reader->core.Tell = &GST_READER_Tell;
+  }
+
+  return ( MREADER *)gst_reader;
+}
+
+
+void GST_READER_free ( MREADER *reader )
+{
+  if ( reader ) 
+    g_free( reader );
+}