1 files changed, 128 insertions, 0 deletions
diff --git a/v4l2-mfc-encoder/args.c b/v4l2-mfc-encoder/args.c
new file mode 100644
index 0000000..98ef886
--- /dev/null
+++ b/v4l2-mfc-encoder/args.c
@@ -0,0 +1,128 @@
+/*
+ * mfc codec encoding example application
+ * Andrzej Hajda <a.hajda@samsung.com>
+ *
+ * Command line helper functions.
+ *
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/videodev2.h>
+#include <stddef.h>
+
+#include "common.h"
+#include "args.h"
+
+void print_usage(char const *name)
+{
+	printf("Usage: %s [args]\n"
+	       "\t-i <device>   - FIMC camera device (e.g. /dev/video1)\n"
+	       "\t                If not specified demo input device is used\n"
+	       "\t-m <device>   - (required) MFC device (e.g. /dev/video8)\n"
+	       "\t-o <file>     - Output file name\n"
+	       "\t-c <codec>    - The codec of the encoded stream\n"
+	       "\t                Available codecs: mpeg4, h263, h264\n"
+	       "\t-d <duration> - Number of frames to encode\n"
+	       "\t-r <rate>     - Frame rate\n"
+	       "\t-b <bitrate>  - Bitrate\n"
+	       "\t-s <size>     - Size of frame in format WxH\n"
+		, name);
+}
+
+int get_codec(char *str)
+{
+	if (strncasecmp("mpeg4", str, 5) == 0)
+		return V4L2_PIX_FMT_MPEG4;
+	else if (strncasecmp("h263", str, 5) == 0)
+		return V4L2_PIX_FMT_H263;
+	else if (strncasecmp("h264", str, 5) == 0)
+		return V4L2_PIX_FMT_H264;
+
+	return 0;
+}
+
+void set_options_default(struct options *o)
+{
+	memset(o, 0, sizeof(*o));
+	o->width = 176;
+	o->height = 144;
+	o->duration = 250;
+	o->rate = 25;
+	o->out_name = "demo.out";
+	o->codec = V4L2_PIX_FMT_H264;
+	o->bitrate = 1000;
+}
+
+int parse_args(struct options *opts, int argc, char **argv)
+{
+	int c;
+
+	set_options_default(opts);
+
+	while ((c = getopt(argc, argv, "i:m:o:c:d:r:s:b:")) != -1) {
+		switch (c) {
+		case 'i':
+			opts->in_name = optarg;
+			break;
+		case 'm':
+			opts->mfc_name = optarg;
+			break;
+		case 'o':
+			opts->out_name = optarg;
+			break;
+		case 'c':
+			opts->codec = get_codec(optarg);
+			if (opts->codec == 0) {
+				err("Unknown codec");
+				return -1;
+			}
+			break;
+		case 'd':
+			opts->duration = atoi(optarg);
+			break;
+		case 'r':
+			opts->rate = atoi(optarg);
+			break;
+		case 's': {
+			char *sep = NULL;
+			opts->width = strtol(optarg, &sep, 10);
+			if (!sep || *sep != 'x') {
+				err("Bad size, should be like 320x200");
+				return -1;
+			}
+			opts->height = atoi(++sep);
+			break;
+		case 'b':
+			opts->bitrate = atoi(optarg);
+			break;
+		}
+		default:
+			return -1;
+		}
+	}
+
+	if (opts->mfc_name == NULL) {
+		err("Please provide MFC device");
+		return -1;
+	}
+
+	return 0;
+}
+