[libcamera-devel,v3,11/27] gst: libcamerapad: Add a method to access the role
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Message ID 20200306202637.525587-12-nicolas@ndufresne.ca
State Accepted
Headers show
Series
  • GStreamer Element for libcamera
Related show

Commit Message

Nicolas Dufresne March 6, 2020, 8:26 p.m. UTC 
From: Nicolas Dufresne <nicolas.dufresne@collabora.com>

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>
---
 src/gstreamer/gstlibcamerapad.cpp |  8 ++++++++
 src/gstreamer/gstlibcamerapad.h   | 10 ++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

Patch
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diff --git a/src/gstreamer/gstlibcamerapad.cpp b/src/gstreamer/gstlibcamerapad.cpp
index ca5c820..ed24557 100644
--- a/src/gstreamer/gstlibcamerapad.cpp
+++ b/src/gstreamer/gstlibcamerapad.cpp
@@ -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;
+}
diff --git a/src/gstreamer/gstlibcamerapad.h b/src/gstreamer/gstlibcamerapad.h
index 2e745f1..f0a5e32 100644
--- a/src/gstreamer/gstlibcamerapad.h
+++ b/src/gstreamer/gstlibcamerapad.h
@@ -6,14 +6,16 @@ 
  * gstlibcamerapad.h - GStreamer Capture Element
  */
 
-#include <gst/gst.h>
-
 #ifndef __GST_LIBCAMERA_PAD_H__
 #define __GST_LIBCAMERA_PAD_H__
 
+#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)
+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__ */