From 2c41070f6691ed98a93b245b4ecb17fd898002ab Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Wed, 12 Jun 2019 14:46:50 +0200
Subject: Add EDI output and rework odr-audioenc.cpp

---
 contrib/edi/AFPacket.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 contrib/edi/AFPacket.h

(limited to 'contrib/edi/AFPacket.h')

diff --git a/contrib/edi/AFPacket.h b/contrib/edi/AFPacket.h
new file mode 100644
index 0000000..b4ccef1
--- /dev/null
+++ b/contrib/edi/AFPacket.h
@@ -0,0 +1,61 @@
+/*
+   Copyright (C) 2014
+   Matthias P. Braendli, matthias.braendli@mpb.li
+
+    http://www.opendigitalradio.org
+
+   EDI output.
+    This implements an AF Packet as defined ETSI TS 102 821.
+    Also see ETSI TS 102 693
+
+   */
+/*
+   This file is part of ODR-DabMux.
+
+   ODR-DabMux is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   ODR-DabMux 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#pragma once
+
+#include "config.h"
+#include <vector>
+#include <stdint.h>
+#include "TagItems.h"
+#include "TagPacket.h"
+
+namespace edi {
+
+typedef std::vector<uint8_t> AFPacket;
+
+// ETSI TS 102 821, 6.1 AF packet structure
+class AFPacketiser
+{
+    public:
+        AFPacketiser() :
+            m_verbose(false) {};
+        AFPacketiser(bool verbose) :
+            m_verbose(verbose) {};
+
+        AFPacket Assemble(TagPacket tag_packet);
+
+    private:
+        static const bool have_crc = true;
+
+        uint16_t seq = 0; //counter that overflows at 0xFFFF
+
+        bool m_verbose;
+};
+
+}
+
-- 
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