1 files changed, 380 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/dcct_section.h b/lib/libucsi/atsc/dcct_section.h
new file mode 100644
index 0000000..647bd4b
--- /dev/null
+++ b/lib/libucsi/atsc/dcct_section.h
@@ -0,0 +1,380 @@
+/*
+ * 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_ATSC_DCCT_SECTION_H
+#define _UCSI_ATSC_DCCT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+enum atsc_dcc_context {
+	ATSC_DCC_CONTEXT_TEMPORARY_RETUNE = 0,
+	ATSC_DCC_CONTEXT_CHANNEL_REDIRECT = 1,
+};
+
+enum atsc_dcc_selection_type {
+	ATSC_DCC_SELECTION_UNCONDITIONAL_CHANNEL_CHANGE = 0x00,
+	ATSC_DCC_SELECTION_NUMERIC_POSTAL_CODE_INCLUSION = 0x01,
+	ATSC_DCC_SELECTION_ALPHANUMERIC_POSTAL_CODE_INCLUSION = 0x02,
+	ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_ONE_OR_MORE = 0x05,
+	ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_ALL = 0x06,
+	ATSC_DCC_SELECTION_GENRE_CATEGORY_ONE_OR_MORE = 0x07,
+	ATSC_DCC_SELECTION_GENRE_CATEGORY_ALL = 0x08,
+	ATSC_DCC_SELECTION_CANNOT_BE_AUTHORIZED = 0x09,
+	ATSC_DCC_SELECTION_GEOGRAPHIC_LOCATION_INCLUSION = 0x0c,
+	ATSC_DCC_SELECTION_RATING_BLOCKED = 0x0d,
+	ATSC_DCC_SELECTION_RETURN_TO_ORIGINAL_CHANNEL = 0x0f,
+	ATSC_DCC_SELECTION_NUMERIC_POSTAL_CODE_EXCLUSION = 0x11,
+	ATSC_DCC_SELECTION_ALPHANUMERIC_POSTAL_CODE_EXCLUSION = 0x12,
+	ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_NOT_ONE_OR_MORE = 0x15,
+	ATSC_DCC_SELECTION_DEMOGRAPHIC_CATEGORY_NOT_ALL = 0x16,
+	ATSC_DCC_SELECTION_GENRE_CATEGORY_NOT_ONE_OR_MORE = 0x17,
+	ATSC_DCC_SELECTION_GENRE_CATEGORY_NOT_ALL = 0x18,
+	ATSC_DCC_SELECTION_GEOGRAPHIC_LOCATION_EXCLUSION = 0x1c,
+	ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_A = 0x20,
+	ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_B = 0x21,
+	ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_C = 0x22,
+	ATSC_DCC_SELECTION_VIEWER_DIRECT_SELECT_D = 0x23,
+};
+
+/**
+ * atsc_dcct_section structure.
+ */
+struct atsc_dcct_section {
+	struct atsc_section_psip head;
+
+	uint8_t dcc_test_count;
+	/* struct atsc_dcct_test tests */
+	/* struct atsc_dcct_section_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dcct_test {
+  EBIT4(uint32_t dcc_context			: 1; ,
+	uint32_t reserved			: 3; ,
+	uint32_t dcc_from_major_channel_number	:10; ,
+	uint32_t dcc_from_minor_channel_number	:10; );
+  EBIT3(uint32_t reserved1			: 4; ,
+	uint32_t dcc_to_major_channel_number	:10; ,
+	uint32_t dcc_to_minor_channel_number	:10; );
+	atsctime_t start_time;
+	atsctime_t end_time;
+	uint8_t dcc_term_count;
+	/* struct atsc_dcct_term terms */
+	/* struct atsc_dcct_test_part2 part2 */
+} __ucsi_packed;
+
+struct atsc_dcct_term {
+	uint8_t dcc_selection_type;
+	uint64_t dcc_selection_id;
+  EBIT2(uint16_t reserved			: 6; ,
+	uint16_t descriptors_length		:10; );
+	/* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_dcct_test_part2 {
+  EBIT2(uint16_t reserved			: 6; ,
+	uint16_t descriptors_length		:10; );
+	/* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+struct atsc_dcct_section_part2 {
+  EBIT2(uint16_t reserved			: 6; ,
+	uint16_t descriptors_length		:10; );
+	/* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+static inline struct atsc_dcct_test *
+	atsc_dcct_section_tests_first(struct atsc_dcct_section *dcct);
+static inline struct atsc_dcct_test *
+	atsc_dcct_section_tests_next(struct atsc_dcct_section *dcct,
+				     struct atsc_dcct_test *pos,
+				     int idx);
+static inline struct atsc_dcct_term *
+	atsc_dcct_test_terms_first(struct atsc_dcct_test *test);
+static inline struct atsc_dcct_term *
+	atsc_dcct_test_terms_next(struct atsc_dcct_test *test,
+				  struct atsc_dcct_term *pos,
+				  int idx);
+
+
+/**
+ * Process an atsc_dcct_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_dcct_section pointer, or NULL on error.
+ */
+struct atsc_dcct_section *atsc_dcct_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the dcc_subtype field of a dcct.
+ *
+ * @param dcct dcct pointer.
+ * @return The dcc_subtype.
+ */
+static inline uint8_t atsc_dcct_section_dcc_subtype(struct atsc_dcct_section *dcct)
+{
+	return dcct->head.ext_head.table_id_ext >> 8;
+}
+
+/**
+ * Accessor for the dcc_id field of a dcct.
+ *
+ * @param dcct dcct pointer.
+ * @return The dcc_id.
+ */
+static inline uint8_t atsc_dcct_section_dcc_id(struct atsc_dcct_section *dcct)
+{
+	return dcct->head.ext_head.table_id_ext & 0xff;
+}
+
+/**
+ * Iterator for the tests field in an atsc_dcct_section.
+ *
+ * @param dcct atsc_dcct_section pointer.
+ * @param pos Variable containing a pointer to the current atsc_dcct_test.
+ * @param idx Integer used to count which test we are in.
+ */
+#define atsc_dcct_section_tests_for_each(dcct, pos, idx) \
+	for ((pos) = atsc_dcct_section_tests_first(dcct), idx=0; \
+	     (pos); \
+	     (pos) = atsc_dcct_section_tests_next(dcct, pos, ++idx))
+
+/**
+ * Iterator for the terms field in an atsc_dcct_test.
+ *
+ * @param test atsc_dcct_test pointer.
+ * @param pos Variable containing a pointer to the current atsc_dcct_term.
+ * @param idx Integer used to count which test we are in.
+ */
+#define atsc_dcct_test_terms_for_each(test, pos, idx) \
+	for ((pos) = atsc_dcct_test_terms_first(test), idx=0; \
+	     (pos); \
+	     (pos) = atsc_dcct_test_terms_next(test, pos, ++idx))
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_term structure.
+ *
+ * @param term atsc_dcct_term pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_term_descriptors_for_each(term, pos) \
+	for ((pos) = atsc_dcct_term_descriptors_first(term); \
+	     (pos); \
+	     (pos) = atsc_dcct_term_descriptors_next(term, pos))
+
+/**
+ * Accessor for the part2 field of an atsc_dcct_test.
+ *
+ * @param test atsc_dcct_test pointer.
+ * @return struct atsc_dcct_test_part2 pointer.
+ */
+static inline struct atsc_dcct_test_part2 *atsc_dcct_test_part2(struct atsc_dcct_test *test)
+{
+	int pos = sizeof(struct atsc_dcct_test);
+
+	struct atsc_dcct_term *cur_term;
+	int idx;
+	atsc_dcct_test_terms_for_each(test, cur_term, idx) {
+		pos += sizeof(struct atsc_dcct_term);
+		pos += cur_term->descriptors_length;
+	}
+
+	return (struct atsc_dcct_test_part2 *) (((uint8_t*) test) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_test_part2 structure.
+ *
+ * @param term atsc_dcct_test_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_test_part2_descriptors_for_each(part2, pos) \
+	for ((pos) = atsc_dcct_test_part2_descriptors_first(part2); \
+	     (pos); \
+	     (pos) = atsc_dcct_test_part2_descriptors_next(part2, pos))
+
+/**
+ * Accessor for the part2 field of an atsc_dcct_section.
+ *
+ * @param dcct atsc_dcct_section pointer.
+ * @return struct atsc_dcct_section_part2 pointer.
+ */
+static inline struct atsc_dcct_section_part2 *atsc_dcct_section_part2(struct atsc_dcct_section *dcct)
+{
+	int pos = sizeof(struct atsc_dcct_section);
+
+	struct atsc_dcct_test *cur_test;
+	int testidx;
+	atsc_dcct_section_tests_for_each(dcct, cur_test, testidx) {
+		struct atsc_dcct_test_part2 *part2 = atsc_dcct_test_part2(cur_test);
+		pos += ((uint8_t*) part2 - (uint8_t*) cur_test);
+
+		pos += sizeof(struct atsc_dcct_test_part2);
+		pos += part2->descriptors_length;
+	}
+
+	return (struct atsc_dcct_section_part2 *) (((uint8_t*) dcct) + pos);
+}
+
+/**
+ * Iterator for the descriptors field in a atsc_dcct_section_part2 structure.
+ *
+ * @param part2 atsc_dcct_section_part2 pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_dcct_section_part2_descriptors_for_each(part2, pos) \
+	for ((pos) = atsc_dcct_section_part2_descriptors_first(part2); \
+	     (pos); \
+	     (pos) = atsc_dcct_section_part2_descriptors_next(part2, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct atsc_dcct_test *
+	atsc_dcct_section_tests_first(struct atsc_dcct_section *dcct)
+{
+	size_t pos = sizeof(struct atsc_dcct_section);
+
+	if (dcct->dcc_test_count == 0)
+		return NULL;
+
+	return (struct atsc_dcct_test*) (((uint8_t *) dcct) + pos);
+}
+
+static inline struct atsc_dcct_test *
+	atsc_dcct_section_tests_next(struct atsc_dcct_section *dcct,
+				     struct atsc_dcct_test *pos,
+				     int idx)
+{
+	if (idx >= dcct->dcc_test_count)
+		return NULL;
+
+	struct atsc_dcct_test_part2 *part2 = atsc_dcct_test_part2(pos);
+	int len = sizeof(struct atsc_dcct_test_part2);
+	len += part2->descriptors_length;
+
+	return (struct atsc_dcct_test *) (((uint8_t*) part2) + len);
+}
+
+static inline struct atsc_dcct_term *
+	atsc_dcct_test_terms_first(struct atsc_dcct_test *test)
+{
+	size_t pos = sizeof(struct atsc_dcct_test);
+
+	if (test->dcc_term_count == 0)
+		return NULL;
+
+	return (struct atsc_dcct_term*) (((uint8_t *) test) + pos);
+}
+
+static inline struct atsc_dcct_term *
+	atsc_dcct_test_terms_next(struct atsc_dcct_test *test,
+				  struct atsc_dcct_term *pos,
+				  int idx)
+{
+	if (idx >= test->dcc_term_count)
+		return NULL;
+
+	int len = sizeof(struct atsc_dcct_term);
+	len += pos->descriptors_length;
+
+	return (struct atsc_dcct_term *) (((uint8_t*) pos) + len);
+}
+
+static inline struct descriptor *
+	atsc_dcct_term_descriptors_first(struct atsc_dcct_term *term)
+{
+	size_t pos = sizeof(struct atsc_dcct_term);
+
+	if (term->descriptors_length == 0)
+		return NULL;
+
+	return (struct descriptor*) (((uint8_t *) term) + pos);
+}
+
+static inline struct descriptor *
+	atsc_dcct_term_descriptors_next(struct atsc_dcct_term *term,
+					struct descriptor *pos)
+{
+	return next_descriptor((uint8_t*) term + sizeof(struct atsc_dcct_term),
+				term->descriptors_length,
+				pos);
+}
+
+static inline struct descriptor *
+	atsc_dcct_test_part2_descriptors_first(struct atsc_dcct_test_part2 *part2)
+{
+	size_t pos = sizeof(struct atsc_dcct_test_part2);
+
+	if (part2->descriptors_length == 0)
+		return NULL;
+
+	return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+	atsc_dcct_test_part2_descriptors_next(struct atsc_dcct_test_part2 *part2,
+					      struct descriptor *pos)
+{
+	return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dcct_test_part2),
+				part2->descriptors_length,
+				pos);
+}
+
+static inline struct descriptor *
+	atsc_dcct_section_part2_descriptors_first(struct atsc_dcct_section_part2 *part2)
+{
+	size_t pos = sizeof(struct atsc_dcct_section_part2);
+
+	if (part2->descriptors_length == 0)
+		return NULL;
+
+	return (struct descriptor*) (((uint8_t *) part2) + pos);
+}
+
+static inline struct descriptor *
+	atsc_dcct_section_part2_descriptors_next(struct atsc_dcct_section_part2 *part2,
+						 struct descriptor *pos)
+{
+	return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_dcct_section_part2),
+				part2->descriptors_length,
+				pos);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif