--- trunk/xvidcore/src/bitstream/bitstream.c	2002/06/30 10:46:29	252
+++ trunk/xvidcore/src/bitstream/bitstream.c	2002/09/02 21:15:37	386
@@ -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;
@@ -437,13 +446,12 @@
 
 
 				if (vol_ver_id != 1) {
-					dec->quarterpel = BitstreamGetBit(bs);	// quarter_sampe
-					if (dec->quarterpel) {
-						DPRINTF(DPRINTF_ERROR, "quarter_sample not supported");
-					}
-				} else {
-					dec->quarterpel = 0;
+					DEBUG("QUARTERPEL BITSTREAM");
+					dec->quarterpel = BitstreamGetBit(bs);	// quarter_sample
 				}
+				else
+					dec->quarterpel = 0;
+				
 
 				if (!BitstreamGetBit(bs))	// complexity_estimation_disable
 				{
@@ -538,16 +546,21 @@
 			if (coding_type != B_VOP) {
 				dec->last_time_base = dec->time_base;
 				dec->time_base += time_incr;
-				dec->time =
-					dec->time_base * time_increment_resolution +
+				dec->time = time_increment;
+
+/*					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->time = time_increment; 
+/*
 					(dec->last_time_base +
-					 time_incr) * time_increment_resolution + time_increment;
-				dec->time_bp = (uint32_t) (dec->last_non_b_time - dec->time);
+					 time_incr) * time_increment_resolution + time_increment; 
+*/
+				dec->time_bp = (uint32_t) 
+					(time_increment_resolution + dec->last_non_b_time - dec->time)%time_increment_resolution;
 			}
 
 			READ_MARKER();
@@ -703,7 +716,6 @@
 
 #ifdef BFRAMES
 	if (pParam->max_bframes > 0) {
-		//DPRINTF("low_delay=1");
 		BitstreamPutBit(bs, 1);	// vol_control_parameters
 		BitstreamPutBits(bs, 1, 2);	// chroma_format 1="4:2:0"
 		BitstreamPutBit(bs, 0);	// low_delay
@@ -711,7 +723,10 @@
 	} else
 #endif
 	{
-		BitstreamPutBits(bs, 0, 1);	// vol_control_parameters (0=not given)
+		BitstreamPutBit(bs, 1);	// vol_control_parameters
+		BitstreamPutBits(bs, 1, 2);	// chroma_format 1="4:2:0"
+		BitstreamPutBit(bs, 1);	// low_delay
+		BitstreamPutBit(bs, 0);	// vbv_parameters (0=not given)
 	}
 
 
@@ -861,4 +876,4 @@
 		BitstreamPutBits(bs, data[i], 8);
 	}
 
-}
\ No newline at end of file
+}