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gst: libcamerapad: Add a method to access the role

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Each pad can have a different roles. Users will have to request and configure
their pads role before moving to a higher state.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Nicolas Dufresne 2020-01-21 17:16:40 -05:00 • committed by Laurent Pinchart
parent 1d8cbaf214
commit d41b356564
2 changed files with 15 additions and 5 deletions
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8
src/gstreamer/gstlibcamerapad.cpp
View file

@ -100,3 +100,11 @@ gst_libcamera_pad_class_init(GstLibcameraPadClass *klass)
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property(object_class, PROP_STREAM_ROLE, spec);
}
StreamRole
gst_libcamera_pad_get_role(GstPad *pad)
{
auto *self = GST_LIBCAMERA_PAD(pad);
GLibLocker lock(GST_OBJECT(self));
return self->role;
}

12
src/gstreamer/gstlibcamerapad.h
View file

@ -6,14 +6,16 @@
* gstlibcamerapad.h - GStreamer Capture Element
*/
#include <gst/gst.h>
#ifndef __GST_LIBCAMERA_PAD_H__
#define __GST_LIBCAMERA_PAD_H__
#define GST_TYPE_LIBCAMERA_PAD gst_libcamera_pad_get_type()
G_DECLARE_FINAL_TYPE(GstLibcameraPad, gst_libcamera_pad,
GST_LIBCAMERA, PAD, GstPad)
#include <gst/gst.h>
#include <libcamera/stream.h>
#define GST_TYPE_LIBCAMERA_PAD gst_libcamera_pad_get_type()
G_DECLARE_FINAL_TYPE(GstLibcameraPad, gst_libcamera_pad, GST_LIBCAMERA, PAD, GstPad)
libcamera::StreamRole gst_libcamera_pad_get_role(GstPad *pad);
#endif /* __GST_LIBCAMERA_PAD_H__ */