1 files changed, 83 insertions, 0 deletions
diff --git a/v4l2-mfc-encoder/in_camera.c b/v4l2-mfc-encoder/in_camera.c
new file mode 100644
index 0000000..2ad840b
--- /dev/null
+++ b/v4l2-mfc-encoder/in_camera.c
@@ -0,0 +1,83 @@
+/*
+ * mfc codec encoding example application
+ * Andrzej Hajda <a.hajda@samsung.com>
+ *
+ * Input camera device.
+ *
+ * Copyright 2012 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include "common.h"
+#include "in_demo.h"
+#include "v4l_dev.h"
+
+#define SQUARE_SIZE 5
+
+static struct io_dev_ops in_camera_ops = { .req_bufs = v4l_req_bufs,
+					   .enq_buf = v4l_enq_buf,
+					   .deq_buf = v4l_deq_buf,
+					   .destroy = v4l_destroy
+				};
+
+int in_camera_set_autofocus(struct io_dev *dev, int val)
+{
+	struct v4l2_ext_control ctrl;
+	struct v4l2_ext_controls ctrls;
+	int ret;
+
+	ctrl.id = V4L2_CID_FOCUS_AUTO;
+	ctrl.value = val;
+
+	ctrls.ctrl_class = V4L2_CID_CAMERA_CLASS;
+	ctrls.count = 1;
+	ctrls.controls = &ctrl;
+
+	ret = ioctl(dev->fd, VIDIOC_S_EXT_CTRLS, &ctrls);
+	if (ret < 0)
+		err("Cannot set autofocus on %d", dev->fd);
+
+	return ret;
+}
+
+struct io_dev *in_camera_create(char const *name)
+{
+	struct io_dev *dev;
+
+	dev = malloc(sizeof(*dev));
+	memzero(*dev);
+
+	dev->fd = open(name, O_RDWR, 0);
+	if (dev->fd < 0) {
+		free(dev);
+		err("Cannot open camera(%s) device", name);
+		return NULL;
+	}
+
+	dev->io[0].type = IO_NONE;
+	dev->io[1].type = IO_USERPTR;
+
+	dev->ops = &in_camera_ops;
+
+	in_camera_set_autofocus(dev, 1);
+
+	return dev;
+}