Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

1 files changed, 89 insertions, 0 deletions

diff --git a/lib/libucsi/mpeg/copyright_descriptor.h b/lib/libucsi/mpeg/copyright_descriptor.h
new file mode 100644
index 0000000..5991fe9
--- /dev/null
+++ b/lib/libucsi/mpeg/copyright_descriptor.h
@@ -0,0 +1,89 @@
+/*
+ * 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_COPYRIGHT_DESCRIPTOR
+#define _UCSI_MPEG_COPYRIGHT_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * mpeg_copyright_descriptor structure.
+ */
+struct mpeg_copyright_descriptor {
+	struct descriptor d;
+
+	uint32_t copyright_identifier;
+	/* uint8_t data[] */
+} __ucsi_packed;
+
+/**
+ * Process an mpeg_copyright_descriptor.
+ *
+ * @param d Generic descriptor.
+ * @return mpeg_copyright_descriptor pointer, or NULL on error.
+ */
+static inline struct mpeg_copyright_descriptor*
+	mpeg_copyright_descriptor_codec(struct descriptor* d)
+{
+	if (d->len < (sizeof(struct mpeg_copyright_descriptor) - 2))
+		return NULL;
+
+	bswap32((uint8_t*) d + 2);
+
+	return (struct mpeg_copyright_descriptor*) d;
+}
+
+/**
+ * Retrieve pointer to data field of an mpeg_copyright_descriptor.
+ *
+ * @param d mpeg_copyright_descriptor pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+	mpeg_copyright_descriptor_data(struct mpeg_copyright_descriptor *d)
+{
+	return (uint8_t *) d + sizeof(struct mpeg_copyright_descriptor);
+}
+
+
+/**
+ * Determine length of the data field of an mpeg_copyright_descriptor.
+ *
+ * @param d mpeg_copyright_descriptor pointer.
+ * @return Length of field in bytes.
+ */
+static inline int
+	mpeg_copyright_descriptor_data_length(struct mpeg_copyright_descriptor *d)
+{
+	return d->d.len - 4;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif