--- decoder.h	2002/03/26 11:16:08	1.2
+++ decoder.h	2002/11/26 23:44:09	1.12
@@ -1,16 +1,72 @@
+/*****************************************************************************
+ *
+ *  XVID MPEG-4 VIDEO CODEC
+ *  - Decoder header -
+ *
+ *  This file is part of XviD, a free MPEG-4 video encoder/decoder
+ *
+ *  XviD 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
+ *  (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.
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ *  Under section 8 of the GNU General Public License, the copyright
+ *  holders of XVID explicitly forbid distribution in the following
+ *  countries:
+ *
+ *    - Japan
+ *    - United States of America
+ *
+ *  Linking XviD statically or dynamically with other modules is making a
+ *  combined work based on XviD.  Thus, the terms and conditions of the
+ *  GNU General Public License cover the whole combination.
+ *
+ *  As a special exception, the copyright holders of XviD give you
+ *  permission to link XviD with independent modules that communicate with
+ *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the
+ *  license terms of these independent modules, and to copy and distribute
+ *  the resulting combined work under terms of your choice, provided that
+ *  every copy of the combined work is accompanied by a complete copy of
+ *  the source code of XviD (the version of XviD used to produce the
+ *  combined work), being distributed under the terms of the GNU General
+ *  Public License plus this exception.  An independent module is a module
+ *  which is not derived from or based on XviD.
+ *
+ *  Note that people who make modified versions of XviD are not obligated
+ *  to grant this special exception for their modified versions; it is
+ *  their choice whether to do so.  The GNU General Public License gives
+ *  permission to release a modified version without this exception; this
+ *  exception also makes it possible to release a modified version which
+ *  carries forward this exception.
+ *
+ * $Id: decoder.h,v 1.12 2002/11/26 23:44:09 edgomez Exp $
+ *
+ ****************************************************************************/
+
 #ifndef _DECODER_H_
 #define _DECODER_H_
 
 #include "xvid.h"
-
 #include "portab.h"
 #include "global.h"
 #include "image/image.h"
 
+/*****************************************************************************
+ * Structures
+ ****************************************************************************/
 
 typedef struct
 {
-	// bitstream
+	/* bitstream */
 
 	uint32_t shape;
 	uint32_t time_inc_bits;
@@ -22,33 +78,54 @@
 	uint32_t top_field_first;
 	uint32_t alternate_vertical_scan;
 
-	// image
+	/* image */
 
 	uint32_t width;
 	uint32_t height;
 	uint32_t edged_width;
 	uint32_t edged_height;
-	
+
 	IMAGE cur;
-	IMAGE refn;
+	IMAGE refn[3];				/* 0   -- last I or P VOP */
+	/* 1   -- first I or P */
+	/* 2   -- for interpolate mode B-frame */
 	IMAGE refh;
 	IMAGE refv;
 	IMAGE refhv;
 
-	// macroblock
+	/* macroblock */
 
 	uint32_t mb_width;
 	uint32_t mb_height;
-	MACROBLOCK * mbs;
+	MACROBLOCK *mbs;
 
-	
-} DECODER;
+	/* for B-frame */
+	int32_t frames;				/* total frame number */
+	int8_t scalability;
+	VECTOR p_fmv, p_bmv;		/* pred forward & backward motion vector */
+	MACROBLOCK *last_mbs;		/* last MB */
+	int64_t time;				/* for record time */
+	int64_t time_base;
+	int64_t last_time_base;
+	int64_t last_non_b_time;
+	uint32_t time_pp;
+	uint32_t time_bp;
+	uint8_t low_delay;			/* low_delay flage (1 means no B_VOP) */
+
+	XVID_DEC_PICTURE* out_frm;                /* This is used for slice rendering */
+}
+DECODER;
+
+/*****************************************************************************
+ * Decoder prototypes
+ ****************************************************************************/
 
 void init_decoder(uint32_t cpu_flags);
 
 int decoder_create(XVID_DEC_PARAM * param);
 int decoder_destroy(DECODER * dec);
-int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);
+int decoder_decode(DECODER * dec,
+				   XVID_DEC_FRAME * frame);
 
 
-#endif /* _DECODER_H_ */
+#endif