diff -Nur linphone-1.7.1-orig/mediastreamer2/include/mediastreamer2/msvideo.h linphone-1.7.1/mediastreamer2/include/mediastreamer2/msvideo.h
--- linphone-1.7.1-orig/mediastreamer2/include/mediastreamer2/msvideo.h	2007-01-20 06:28:42.000000000 +0800
+++ linphone-1.7.1/mediastreamer2/include/mediastreamer2/msvideo.h	2007-10-26 15:58:48.000000000 +0800
@@ -62,6 +62,7 @@
 typedef enum{
 	MS_YUV420P,
 	MS_YUYV,
+	MS_UYVY,
 	MS_RGB24,
 	MS_MJPEG
 }MSPixFmt;
diff -Nur linphone-1.7.1-orig/mediastreamer2/src/msv4l.c linphone-1.7.1/mediastreamer2/src/msv4l.c
--- linphone-1.7.1-orig/mediastreamer2/src/msv4l.c	2007-03-10 05:15:15.000000000 +0800
+++ linphone-1.7.1/mediastreamer2/src/msv4l.c	2007-10-26 16:19:01.000000000 +0800
@@ -45,6 +45,9 @@
 /* Set enable workaround for bugs, bitfield */
 #define VIDIOCQCSCOMPATIBLE _IOWR('v',QC_IOCTLBASE+10,int)
 
+#ifndef VIDIOSFPS
+#define VIDIOSFPS _IOW('v',BASE_VIDIOCPRIVATE+20, int)
+#endif
 
 typedef struct V4lState{
 	int fd;
@@ -440,24 +443,27 @@
 	}
 	s->mmapdbuf=mmap(NULL,s->msize,PROT_READ,MAP_SHARED,s->fd,0);
 	if (s->mmapdbuf==(void*)-1) {
-		ms_error("Could not mmap: %s",strerror(errno));
-		s->mmapdbuf=NULL;
-		return -1;
-	}else {
-		/* initialize the mediastreamer buffers */
-		ms_message("Using %i-frames mmap'd buffer at %p, len %i",
-			s->frame_max, s->mmapdbuf,s->msize);
-		for(i=0;i<s->frame_max;i++){
-			mblk_t *buf=esballoc((uint8_t*)s->mmapdbuf+vmbuf.offsets[i],vmbuf.offsets[1],0,NULL);
-			/* adjust to real size of picture*/
-			if (s->pix_fmt==MS_RGB24)
-				buf->b_wptr+=s->vsize.width*s->vsize.height*3;
-			else 
-				buf->b_wptr+=(s->vsize.width*s->vsize.height*3)/2;
-			s->frames[i]=buf;
+		/* for non-mmu arch */
+		s->mmapdbuf=mmap(NULL,s->msize,PROT_READ,MAP_PRIVATE,s->fd,0);
+		if (s->mmapdbuf==(void*)-1) {
+			ms_error("Could not mmap: %s",strerror(errno));
+			s->mmapdbuf=NULL;
+			return -1;
 		}
-		s->frame_ind=0;
 	}
+	/* initialize the mediastreamer buffers */
+	ms_message("Using %i-frames mmap'd buffer at %p, len %i",
+		s->frame_max, s->mmapdbuf,s->msize);
+	for(i=0;i<s->frame_max;i++){
+		mblk_t *buf=esballoc((uint8_t*)s->mmapdbuf+vmbuf.offsets[i],vmbuf.offsets[1],0,NULL);
+		/* adjust to real size of picture*/
+		if (s->pix_fmt==MS_RGB24)
+			buf->b_wptr+=s->vsize.width*s->vsize.height*3;
+		else 
+			buf->b_wptr+=(s->vsize.width*s->vsize.height*3)/2;
+		s->frames[i]=buf;
+	}
+	s->frame_ind=0;
 	return 0;
 }
 
@@ -501,6 +507,7 @@
 	struct video_capability cap;
 	int err;
 	int i;
+	int fps = 0;
 	int found=0;
 	
 	memset(&chan,0,sizeof(chan));
@@ -548,20 +555,25 @@
 	}
 	ms_message("Default picture properties: brightness=%i,hue=%i,colour=%i,contrast=%i,depth=%i, palette=%i.",
 						pict.brightness,pict.hue,pict.colour, pict.contrast,pict.depth, pict.palette);
-	/* trying YUV420P format:*/
 	
+	/* trying color format */
 	if (try_format(s->fd,&pict,VIDEO_PALETTE_YUV420P,16)){
 		ms_message("Driver supports YUV420P, using that format.");
 		s->pix_fmt=MS_YUV420P;
-	}else{
-		ms_message("Driver does not support YUV420P, trying RGB24...");
-		if (try_format(s->fd, &pict,VIDEO_PALETTE_RGB24,24)){
-			ms_message("Driver supports RGB24, using that format.");
-			s->pix_fmt=MS_RGB24;
-		}else{
-			ms_fatal("Unsupported video pixel format.");
-		}
+	}else if (try_format(s->fd, &pict,VIDEO_PALETTE_RGB24,24)){
+		ms_message("Driver supports RGB24, using that format.");
+		s->pix_fmt=MS_RGB24;
+	}else if (try_format(s->fd, &pict,VIDEO_PALETTE_YUV422, 16)){
+		ms_message("Driver supports YUV422, using that format.");
+		s->pix_fmt=MS_YUYV;
+	}else if (try_format(s->fd, &pict,VIDEO_PALETTE_UYVY, 16)){
+		ms_message("Driver supports UYVY, using that format.");
+		s->pix_fmt=MS_UYVY;
+	}else{	
+		ms_fatal("Unsupported video pixel format.");
+		return -1;
 	}
+
 	if (!try_size(s,s->vsize)) {
 		if (!try_size(s,MS_VIDEO_SIZE_NS1)){
 			if (!try_size(s,MS_VIDEO_SIZE_VGA)){
@@ -575,6 +587,14 @@
 			}
 		}
 	}
+
+	/* Try HW frame rate control */
+	fps = s->fps;
+	if (ioctl(s->fd, VIDIOSFPS, &fps) < 0 )
+		ms_message("v4l_configure: cannot set HW frame rate control");
+	else
+		ms_message("v4l_configure: set HW fps to be : %d", fps);
+	
 	return 0;
 }	
 
@@ -585,6 +605,10 @@
 				return VIDEO_PALETTE_YUV420P;
 		case MS_RGB24:
 				return VIDEO_PALETTE_RGB24;
+		case MS_YUYV:
+				return VIDEO_PALETTE_YUV422;
+		case MS_UYVY:
+				return VIDEO_PALETTE_UYVY;
 		default:
 			ms_fatal("unsupported pix fmt");
 			return -1;
@@ -792,6 +816,7 @@
 	}
 }
 
+
 static void *v4l_thread(void *ptr){
 	V4lState *s=(V4lState*)ptr;
 	int err=-1;
diff -Nur linphone-1.7.1-orig/mediastreamer2/src/pixconv.c linphone-1.7.1/mediastreamer2/src/pixconv.c
--- linphone-1.7.1-orig/mediastreamer2/src/pixconv.c	2007-01-04 05:41:25.000000000 +0800
+++ linphone-1.7.1/mediastreamer2/src/pixconv.c	2007-10-26 15:50:13.000000000 +0800
@@ -36,6 +36,8 @@
 			return PIX_FMT_YUV420P;
 		case MS_YUYV:
 			return PIX_FMT_YUYV422;
+		case MS_UYVY:
+			return PIX_FMT_UYVY422;
 		default:
 			ms_fatal("format not supported.");
 			return -1;
@@ -51,6 +53,8 @@
 			return MS_YUV420P;
 		case PIX_FMT_YUYV422:
 			return MS_YUYV;
+		case PIX_FMT_UYVY422:
+			return MS_UYVY;
 		default:
 			ms_fatal("format not supported.");
 			return 0;