Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

1 files changed, 88 insertions, 0 deletions

diff --git a/lib/libucsi/dvb/ac3_descriptor.h b/lib/libucsi/dvb/ac3_descriptor.h
new file mode 100644
index 0000000..0a2a5cd
--- /dev/null
+++ b/lib/libucsi/dvb/ac3_descriptor.h
@@ -0,0 +1,88 @@
+/*
+ * 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_DVB_AC3_DESCRIPTOR
+#define _UCSI_DVB_AC3_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * dvb_ac3_descriptor structure.
+ */
+struct dvb_ac3_descriptor {
+	struct descriptor d;
+
+  EBIT5(uint8_t ac3_type_flag		: 1; ,
+	uint8_t bsid_flag		: 1; ,
+	uint8_t mainid_flag		: 1; ,
+	uint8_t asvc_flag		: 1; ,
+	uint8_t reserved		: 4; );
+	/* uint8_t additional_info[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_ac3_descriptor.
+ *
+ * @param d Generic descriptor structure.
+ * @return dvb_ac3_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_ac3_descriptor*
+	dvb_ac3_descriptor_codec(struct descriptor* d)
+{
+	if (d->len < (sizeof(struct dvb_ac3_descriptor) - 2))
+		return NULL;
+
+	return (struct dvb_ac3_descriptor*) d;
+}
+
+/**
+ * Retrieve pointer to additional_info field of a dvb_ac3_descriptor.
+ *
+ * @param d dvb_ac3_descriptor pointer.
+ * @return Pointer to additional_info field.
+ */
+static inline uint8_t *dvb_ac3_descriptor_additional_info(struct dvb_ac3_descriptor *d)
+{
+	return (uint8_t *) d + sizeof(struct dvb_ac3_descriptor);
+}
+
+/**
+ * Determine length of additional_info field of a dvb_ac3_descriptor.
+ *
+ * @param d dvb_ac3_descriptor pointer.
+ * @return Length of field in bytes.
+ */
+static inline int dvb_ac3_descriptor_additional_info_length(struct dvb_ac3_descriptor *d)
+{
+	return d->d.len - 1;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif