[patch] files/uyvy-support.patch

uyvy-support.patch (text/plain), 2.02 KB, created by Ortwin Glueck on 2008-06-08 15:04:02 UTC

diff -ur a/luvcview.c b/luvcview.c
--- a/luvcview.c	2008-06-08 16:21:41.000000000 +0200
+++ b/luvcview.c	2008-06-08 16:40:31.000000000 +0200
@@ -220,6 +220,7 @@
     const char *videodevice = NULL;
     const char *mode = NULL;
     int format = V4L2_PIX_FMT_MJPEG;
+    int sdl_format = SDL_YUY2_OVERLAY;
     int i;
     int grabmethod = 1;
     int width = 320;
@@ -269,6 +270,10 @@
 	    if (strncmp(mode, "yuv", 3) == 0) {
 		format = V4L2_PIX_FMT_YUYV;
 
+		} else if (strncmp(mode, "uyvy", 4) == 0) {
+		format = V4L2_PIX_FMT_UYVY;
+		sdl_format = SDL_UYVY_OVERLAY;
+
 	    } else if (strncmp(mode, "jpg", 3) == 0) {
 		format = V4L2_PIX_FMT_MJPEG;
 
@@ -345,7 +350,7 @@
 	    printf("-d	/dev/videoX       use videoX device\n");
 	    printf("-g	use read method for grab instead mmap \n");
 	    printf("-w	disable SDL hardware accel. \n");
-	    printf("-f	video format  default jpg  others options are yuv jpg \n");
+	    printf("-f	video format  default jpg  others options are yuv uyvy jpg \n");
 	    printf("-i	fps           use specified frame interval \n");
 	    printf("-s	widthxheight      use specified input size \n");
 	    printf("-c	enable raw frame capturing for the first frame\n");
@@ -447,7 +452,7 @@
 
     overlay =
 	SDL_CreateYUVOverlay(videoIn->width, videoIn->height + 32,
-			     SDL_YUY2_OVERLAY, pscreen);
+			     sdl_format, pscreen);
     p = (unsigned char *) overlay->pixels[0];
     drect.x = 0;
     drect.y = 0;
diff -ur a/v4l2uvc.c b/v4l2uvc.c
--- a/v4l2uvc.c	2008-06-08 16:26:02.000000000 +0200
+++ b/v4l2uvc.c	2008-06-08 16:40:31.000000000 +0200
@@ -125,6 +125,7 @@
 							   8) * 2);
 	break;
     case V4L2_PIX_FMT_YUYV:
+    case V4L2_PIX_FMT_UYVY:
 	vd->framebuffer =
 	    (unsigned char *) calloc(1, (size_t) vd->framesizeIn);
 	break;
@@ -572,6 +573,7 @@
 	    printf("bytes in used %d \n", vd->buf.bytesused);
 	break;
     case V4L2_PIX_FMT_YUYV:
+    case V4L2_PIX_FMT_UYVY:
 	if (vd->buf.bytesused > vd->framesizeIn)
 	    memcpy(vd->framebuffer, vd->mem[vd->buf.index],
 		   (size_t) vd->framesizeIn);