[yavta PATCH 3/9] Allow supporting mem2mem devices by adding forced OUTPUT device type

[Sakari Ailus <sakari.ailus@iki.fi>]

The option is --output, or -o.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
---
 yavta.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/yavta.c b/yavta.c
index 8e43ce5..e010252 100644
--- a/yavta.c
+++ b/yavta.c
@@ -1240,6 +1240,7 @@ static void usage(const char *argv0)
 	printf("-I, --fill-frames		Fill frames with check pattern before queuing them\n");
 	printf("-l, --list-controls		List available controls\n");
 	printf("-n, --nbufs n			Set the number of video buffers\n");
+	printf("-o, --output			Use video node as output\n");
 	printf("-p, --pause			Pause before starting the video stream\n");
 	printf("-q, --quality n			MJPEG quality (0-100)\n");
 	printf("-r, --get-control ctrl		Get control 'ctrl'\n");
@@ -1282,6 +1283,7 @@ static struct option opts[] = {
 	{"nbufs", 1, 0, 'n'},
 	{"no-query", 0, 0, OPT_NO_QUERY},
 	{"offset", 1, 0, OPT_USERPTR_OFFSET},
+	{"output", 0, 0, 'o'},
 	{"pause", 0, 0, 'p'},
 	{"quality", 1, 0, 'q'},
 	{"get-control", 1, 0, 'r'},
@@ -1304,7 +1306,7 @@ int main(int argc, char *argv[])
 	int ret;
 
 	/* Options parsings */
-	int do_file = 0, do_capture = 0, do_pause = 0;
+	int do_file = 0, do_capture = 0, do_pause = 0, do_output = 0;
 	int do_set_time_per_frame = 0;
 	int do_enum_formats = 0, do_set_format = 0;
 	int do_enum_inputs = 0, do_set_input = 0;
@@ -1385,6 +1387,9 @@ int main(int argc, char *argv[])
 			if (nbufs > V4L_BUFFERS_MAX)
 				nbufs = V4L_BUFFERS_MAX;
 			break;
+		case 'o':
+			do_output = 1;
+			break;
 		case 'p':
 			do_pause = 1;
 			break;
@@ -1500,6 +1505,9 @@ int main(int argc, char *argv[])
 	if (dev.type == (enum v4l2_buf_type)-1)
 		no_query = 1;
 
+	if (do_output)
+		dev.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+
 	dev.memtype = memtype;
 
 	if (do_get_control) {
-- 
1.7.10.4