Read the original pixelformat from dest_fmt, before overwriting dest_fmt with
the new src_fmt.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
lib/libv4l2/libv4l2.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/libv4l2/libv4l2.c b/lib/libv4l2/libv4l2.c
index fe513d7..22ed984 100644
--- a/lib/libv4l2/libv4l2.c
+++ b/lib/libv4l2/libv4l2.c
@@ -1245,6 +1245,8 @@ no_capture_request:
case VIDIOC_S_INPUT:
case VIDIOC_S_DV_TIMINGS: {
struct v4l2_format src_fmt = { 0 };
+ unsigned int orig_dest_pixelformat =
+ devices[index].dest_fmt.fmt.pix.pixelformat;
result = devices[index].dev_ops->ioctl(
devices[index].dev_ops_priv,
@@ -1274,8 +1276,7 @@ no_capture_request:
devices[index].src_fmt = src_fmt;
devices[index].dest_fmt = src_fmt;
/* and try to restore the last set destination pixelformat. */
- src_fmt.fmt.pix.pixelformat =
- devices[index].dest_fmt.fmt.pix.pixelformat;
+ src_fmt.fmt.pix.pixelformat = orig_dest_pixelformat;
result = v4l2_s_fmt(index, &src_fmt);
if (result) {
V4L2_LOG_WARN("restoring destination pixelformat after %s failed\n",
--
2.1.0
--
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