summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/gstreamer/gstlibcamerapad.cpp102
-rw-r--r--src/gstreamer/gstlibcamerapad.h19
-rw-r--r--src/gstreamer/gstlibcamerasrc.cpp20
-rw-r--r--src/gstreamer/meson.build1
4 files changed, 142 insertions, 0 deletions
diff --git a/src/gstreamer/gstlibcamerapad.cpp b/src/gstreamer/gstlibcamerapad.cpp
new file mode 100644
index 00000000..ca5c8203
--- /dev/null
+++ b/src/gstreamer/gstlibcamerapad.cpp
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Collabora Ltd.
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
+ *
+ * gstlibcamerapad.cpp - GStreamer Capture Pad
+ */
+
+#include "gstlibcamerapad.h"
+
+#include <libcamera/stream.h>
+
+#include "gstlibcamera-utils.h"
+
+using namespace libcamera;
+
+struct _GstLibcameraPad {
+ GstPad parent;
+ StreamRole role;
+};
+
+enum {
+ PROP_0,
+ PROP_STREAM_ROLE
+};
+
+G_DEFINE_TYPE(GstLibcameraPad, gst_libcamera_pad, GST_TYPE_PAD);
+
+static void
+gst_libcamera_pad_set_property(GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
+{
+ auto *self = GST_LIBCAMERA_PAD(object);
+ GLibLocker lock(GST_OBJECT(self));
+
+ switch (prop_id) {
+ case PROP_STREAM_ROLE:
+ self->role = (StreamRole)g_value_get_enum(value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_libcamera_pad_get_property(GObject *object, guint prop_id, GValue *value,
+ GParamSpec *pspec)
+{
+ auto *self = GST_LIBCAMERA_PAD(object);
+ GLibLocker lock(GST_OBJECT(self));
+
+ switch (prop_id) {
+ case PROP_STREAM_ROLE:
+ g_value_set_enum(value, self->role);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_libcamera_pad_init(GstLibcameraPad *self)
+{
+}
+
+static GType
+gst_libcamera_stream_role_get_type(void)
+{
+ static GType type = 0;
+ static const GEnumValue values[] = {
+ { StillCapture, "libcamera::StillCapture", "still-capture" },
+ { VideoRecording, "libcamera::VideoRecording", "video-recording" },
+ { Viewfinder, "libcamera::Viewfinder", "view-finder" },
+ { 0, NULL, NULL }
+ };
+
+ if (!type)
+ type = g_enum_register_static("GstLibcameraStreamRole", values);
+
+ return type;
+}
+
+static void
+gst_libcamera_pad_class_init(GstLibcameraPadClass *klass)
+{
+ auto *object_class = G_OBJECT_CLASS(klass);
+
+ object_class->set_property = gst_libcamera_pad_set_property;
+ object_class->get_property = gst_libcamera_pad_get_property;
+
+ auto *spec = g_param_spec_enum("stream-role", "Stream Role",
+ "The selected stream role",
+ gst_libcamera_stream_role_get_type(),
+ VideoRecording,
+ (GParamFlags)(GST_PARAM_MUTABLE_READY
+ | G_PARAM_CONSTRUCT
+ | G_PARAM_READWRITE
+ | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property(object_class, PROP_STREAM_ROLE, spec);
+}
diff --git a/src/gstreamer/gstlibcamerapad.h b/src/gstreamer/gstlibcamerapad.h
new file mode 100644
index 00000000..2e745f12
--- /dev/null
+++ b/src/gstreamer/gstlibcamerapad.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Collabora Ltd.
+ * Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>
+ *
+ * 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)
+
+
+#endif /* __GST_LIBCAMERA_PAD_H__ */
diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp
index 38075032..79d4196c 100644
--- a/src/gstreamer/gstlibcamerasrc.cpp
+++ b/src/gstreamer/gstlibcamerasrc.cpp
@@ -8,12 +8,26 @@
#include "gstlibcamerasrc.h"
+#include "gstlibcamerapad.h"
+
struct _GstLibcameraSrc {
GstElement parent;
};
G_DEFINE_TYPE(GstLibcameraSrc, gst_libcamera_src, GST_TYPE_ELEMENT);
+#define TEMPLATE_CAPS GST_STATIC_CAPS("video/x-raw; image/jpeg")
+
+/* For the simple case, we have a src pad that is always present. */
+GstStaticPadTemplate src_template = {
+ "src", GST_PAD_SRC, GST_PAD_ALWAYS, TEMPLATE_CAPS
+};
+
+/* More pads can be requested in state < PAUSED */
+GstStaticPadTemplate request_src_template = {
+ "src_%s", GST_PAD_SRC, GST_PAD_REQUEST, TEMPLATE_CAPS
+};
+
static void
gst_libcamera_src_init(GstLibcameraSrc *self)
{
@@ -28,4 +42,10 @@ gst_libcamera_src_class_init(GstLibcameraSrcClass *klass)
"libcamera Source", "Source/Video",
"Linux Camera source using libcamera",
"Nicolas Dufresne <nicolas.dufresne@collabora.com");
+ gst_element_class_add_static_pad_template_with_gtype(element_class,
+ &src_template,
+ GST_TYPE_LIBCAMERA_PAD);
+ gst_element_class_add_static_pad_template_with_gtype(element_class,
+ &request_src_template,
+ GST_TYPE_LIBCAMERA_PAD);
}
diff --git a/src/gstreamer/meson.build b/src/gstreamer/meson.build
index 7e26e3e1..5324b2f5 100644
--- a/src/gstreamer/meson.build
+++ b/src/gstreamer/meson.build
@@ -1,6 +1,7 @@
libcamera_gst_sources = [
'gstlibcamera-utils.cpp',
'gstlibcamera.c',
+ 'gstlibcamerapad.cpp',
'gstlibcameraprovider.cpp',
'gstlibcamerasrc.cpp',
]