1 files changed, 59 insertions, 0 deletions
diff --git a/stan/v4l2-decode/fileops.c b/stan/v4l2-decode/fileops.c
new file mode 100644
index 0000000..e2becb9
--- /dev/null
+++ b/stan/v4l2-decode/fileops.c
@@ -0,0 +1,59 @@
+/*
+ * V4L2 Codec decoding example application
+ * Kamil Debski <k.debski@samsung.com>
+ *
+ * File operations
+ *
+ * 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 <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "common.h"
+#include "fileops.h"
+
+int input_open(struct instance *inst, char *name)
+{
+	struct stat in_stat;
+
+	inst->in.fd = open(name, O_RDONLY);
+	if (!inst->in.fd) {
+		err("Failed to open file: %s", inst->in.name);
+		return -1;
+	}
+
+	fstat(inst->in.fd, &in_stat);
+
+	inst->in.size = in_stat.st_size;
+	inst->in.offs = 0;
+	inst->in.p = mmap(0, inst->in.size, PROT_READ, MAP_SHARED, inst->in.fd, 0);
+	if (inst->in.p == MAP_FAILED) {
+		err("Failed to map input file");
+		return -1;
+	}
+
+	return 0;
+}
+
+void input_close(struct instance *inst)
+{
+	munmap(inst->in.p, inst->in.size);
+	close(inst->in.fd);
+}