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v4l2: fix multiplanar capture

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After switching to using V4L2_CAP_DEVICE_CAPS we lost support for
multiplanar device types. After some research, it looks like
vcap.capabilities treated the multiplanar flag of output and capture
devices equally, but not the new device_caps.

https://bugzilla.gnome.org/show_bug.cgi?id=768195
This commit is contained in:
Luis de Bethencourt 2016-07-08 17:28:19 +00:00
parent 6fe88d8a76
commit eaa01071e0
1 changed files with 4 additions and 4 deletions
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8
sys/v4l2/v4l2_calls.c
View file

@ -489,16 +489,17 @@ gst_v4l2_adjust_buf_type (GstV4l2Object * v4l2object)
* in a contiguous manner. In this case the first v4l2 plane
* contains all the gst planes.
*/
#define CHECK_CAPS (V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)
switch (v4l2object->type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
if (v4l2object->device_caps & CHECK_CAPS) {
if (v4l2object->device_caps &
(V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
GST_DEBUG ("adjust type to multi-planar output");
v4l2object->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
}
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (v4l2object->device_caps & CHECK_CAPS) {
if (v4l2object->device_caps &
(V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
GST_DEBUG ("adjust type to multi-planar capture");
v4l2object->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
}
@ -506,7 +507,6 @@ gst_v4l2_adjust_buf_type (GstV4l2Object * v4l2object)
default:
break;
}
#undef CHECK_CAPS
}
/******************************************************