--- bitstream.c	2002/06/30 10:46:29	1.22
+++ bitstream.c	2002/07/18 23:52:39	1.24
@@ -41,7 +41,10 @@
   *                                                                            *
   *  Revision history:                                                         *
   *                                                                            *
-  *	 22.05.2002 bs_put_matrix fix
+  *  11.07.2002 add VOP width & height return to dec when dec->width           *
+  *             or dec->height is 0  (for use in examples/ex1.c)               *
+  *             MinChen <chenm001@163.com>                                     *
+  *  22.05.2002 bs_put_matrix fix                                              *
   *  20.05.2002 added BitstreamWriteUserData                                   *
   *  19.06.2002  Fix a little bug in use custom quant matrix                   *
   *              MinChen <chenm001@163.com>                                    *
@@ -327,10 +330,10 @@
 
 			DPRINTF(DPRINTF_HEADER,"vop_time_increment_resolution %i", time_increment_resolution);
 
-			time_increment_resolution--;
+//			time_increment_resolution--;
 
 			if (time_increment_resolution > 0) {
-				dec->time_inc_bits = log2bin(time_increment_resolution);
+				dec->time_inc_bits = log2bin(time_increment_resolution-1);
 			} else {
 				// dec->time_inc_bits = 0;
 				// for "old" xvid compatibility, set time_inc_bits = 1
@@ -359,6 +362,12 @@
 					DPRINTF(DPRINTF_HEADER, "width %i", width);
 					DPRINTF(DPRINTF_HEADER, "height %i", height);
 
+					// for auto set width & height
+					if (dec->width == 0)
+						dec->width = width;
+					if (dec->height == 0)
+						dec->height = height;
+
 					if (width != dec->width || height != dec->height) {
 						DPRINTF(DPRINTF_ERROR, "XVID_DEC_PARAM width/height does not match bitstream");
 						return -1;
@@ -541,13 +550,15 @@
 				dec->time =
 					dec->time_base * time_increment_resolution +
 					time_increment;
-				dec->time_pp = (uint32_t) (dec->time - dec->last_non_b_time);
+				dec->time_pp = (uint32_t) 
+					(time_increment_resolution + dec->time - dec->last_non_b_time)%time_increment_resolution;
 				dec->last_non_b_time = dec->time;
 			} else {
 				dec->time =
 					(dec->last_time_base +
 					 time_incr) * time_increment_resolution + time_increment;
-				dec->time_bp = (uint32_t) (dec->last_non_b_time - dec->time);
+				dec->time_bp = (uint32_t) 
+					(time_increment_resolution + dec->last_non_b_time - dec->time)%time_increment_resolution;
 			}
 
 			READ_MARKER();
@@ -861,4 +872,4 @@
 		BitstreamPutBits(bs, data[i], 8);
 	}
 
-}
\ No newline at end of file
+}