1 files changed, 64 insertions, 0 deletions
diff --git a/lib/libucsi/mpeg/video_window_descriptor.h b/lib/libucsi/mpeg/video_window_descriptor.h
new file mode 100644
index 0000000..a9a63c7
--- /dev/null
+++ b/lib/libucsi/mpeg/video_window_descriptor.h
@@ -0,0 +1,64 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#ifndef _UCSI_MPEG_VIDEO_WINDOW_DESCRIPTOR
+#define _UCSI_MPEG_VIDEO_WINDOW_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+
+/**
+ * mpeg_video_window_descriptor structure.
+ */
+struct mpeg_video_window_descriptor {
+	struct descriptor d;
+
+  EBIT3(uint32_t horizontal_offset		: 14; ,
+	uint32_t vertical_offset		: 14; ,
+	uint32_t window_priority		: 4;  );
+} __ucsi_packed;
+
+/**
+ * Process an mpeg_video_window_descriptor.
+ *
+ * @param d Pointer to the generic descriptor structure.
+ * @return Pointer to the mpeg_video_window_descriptor structure, or NULL on error.
+ */
+static inline struct mpeg_video_window_descriptor*
+	mpeg_video_window_descriptor_codec(struct descriptor* d)
+{
+	if (d->len != (sizeof(struct mpeg_video_window_descriptor) - 2))
+		return NULL;
+
+	bswap32((uint8_t*) d + 2);
+
+	return (struct mpeg_video_window_descriptor*) d;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif