diff --git a/.gitignore b/.gitignore
index dde6e14..85501fc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ essai
 v4l2/t
 v4l2/capture
 v4l2/*.o
+v4l2/*.ppm
 
 tools/fimg2png
 tools/fimg2pnm
diff --git a/v4l2/README.txt b/v4l2/README.txt
new file mode 100644
index 0000000..d4ffbef
--- /dev/null
+++ b/v4l2/README.txt
@@ -0,0 +1,5 @@
+
+			capture video
+			-------------
+
+
diff --git a/v4l2/v4l2grab.c b/v4l2/v4l2grab.c
index bf98688..d512702 100644
--- a/v4l2/v4l2grab.c
+++ b/v4l2/v4l2grab.c
@@ -117,7 +117,7 @@
 	    type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 
 	    xioctl(fd, VIDIOC_STREAMON, &type);
-	    for (i = 0; i < 20; i++) {
+	    for (i = 0; i < 10; i++) {
 		    do {
 			    FD_ZERO(&fds);
 			    FD_SET(fd, &fds);
@@ -139,6 +139,7 @@
 		    xioctl(fd, VIDIOC_DQBUF, &buf);
 
 		    sprintf(out_name, "out%03d.ppm", i);
+			fprintf(stderr, "-- %s\n", out_name);
 		    fout = fopen(out_name, "w");
 		    if (!fout) {
 			    perror("Cannot open image");
@@ -148,7 +149,7 @@
 			    fmt.fmt.pix.width, fmt.fmt.pix.height);
 		    fwrite(buffers[buf.index].start, buf.bytesused, 1, fout);
 		    fclose(fout);
-			sleep(30);
+			sleep(190);
 
 		    xioctl(fd, VIDIOC_QBUF, &buf);
 	    }