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-rw-r--r--lib/libucsi/dvb/mpe_fec_section.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/mpe_fec_section.h b/lib/libucsi/dvb/mpe_fec_section.h
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+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ * Copyright (C) 2008 Patrick Boettcher (pb@linuxtv.org)
+ *
+ * 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_MPE_FEC_SECTION_H
+#define _UCSI_DVB_MPE_FEC_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/mpeg/section.h>
+
+/**
+ * mpe_fec_section structure. TODO
+ */
+struct mpe_fec_section {
+ struct section head;
+};
+
+
+/**
+ * real_time_paramters
+ * can also be found in datagram_section in MAC4-1-bytes */
+struct real_time_parameters {
+ EBIT4(uint32_t delta_t : 12; ,
+ uint32_t table_boundary : 1; ,
+ uint32_t frame_boundary : 1; ,
+ uint32_t address : 18; )
+};
+
+
+static inline struct real_time_parameters * datagram_section_real_time_parameters_codec(struct datagram_section *d)
+{
+ struct real_time_parameters *rt = (struct real_time_parameters *) &d->MAC_address_4;
+ uint8_t b[4];
+ b[0] = d->MAC_address_4;
+ b[1] = d->MAC_address_3;
+ b[2] = d->MAC_address_2;
+ b[3] = d->MAC_address_1;
+
+ rt->delta_t = (b[0] << 4) | ((b[1] >> 4) & 0x0f);
+ rt->table_boundary = (b[1] >> 3) & 0x1;
+ rt->frame_boundary = (b[1] >> 2) & 0x1;
+ rt->address = ((b[1] & 0x3) << 16) | (b[2] << 8) | b[3];
+
+ return rt;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif