From 4809f3c042a99a639542b1e6cd22657871113260 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 2 Sep 2016 17:43:32 +0200
Subject: Move all sources to src/

---
 src/fig0_8.cpp | 147 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 src/fig0_8.cpp

(limited to 'src/fig0_8.cpp')

diff --git a/src/fig0_8.cpp b/src/fig0_8.cpp
new file mode 100644
index 0000000..60f2e0c
--- /dev/null
+++ b/src/fig0_8.cpp
@@ -0,0 +1,147 @@
+/*
+    Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. (http://www.csp.it/)
+    Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
+    Copyright (C) 2015 Data Path
+
+    This program 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.
+
+    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+    Authors:
+         Sergio Sagliocco <sergio.sagliocco@csp.it>
+         Matthias P. Braendli <matthias@mpb.li>
+                   / |  |-  ')|)  |-|_ _ (|,_   .|  _  ,_ \
+         Data Path \(|(||_(|/_| (||_||(a)_||||(|||.(_()|||/
+
+*/
+
+#include "figs.hpp"
+#include <cstdio>
+#include <cstring>
+#include <map>
+#include <set>
+
+/* EN 300 401, 8.1.14.3 Service component label
+ * The combination of the SId and the SCIdS provides a service component
+ * identifier which is valid globally.
+ */
+using SId_t = int;
+using SCIdS_t = int;
+static std::set<std::pair<SId_t, SCIdS_t> > components_seen;
+
+bool fig0_8_is_complete(SId_t SId, SCIdS_t SCIdS)
+{
+    auto key = std::make_pair(SId, SCIdS);
+    bool complete = components_seen.count(key);
+
+    if (complete) {
+        components_seen.clear();
+    }
+    else {
+        components_seen.insert(key);
+    }
+
+    return complete;
+}
+
+
+
+// FIG 0/8 Service component global definition
+// ETSI EN 300 401 6.3.5
+bool fig0_8(fig0_common_t& fig0, int indent)
+{
+    uint32_t SId;
+    uint16_t SCId;
+    uint8_t i = 1, Rfa, SCIdS, SubChId, FIDCId;
+    char tmpbuf[256];
+    char desc[256];
+    bool Ext_flag, LS_flag, MSC_FIC_flag;
+    uint8_t* f = fig0.f;
+    bool complete = false;
+
+    while (i < (fig0.figlen - (2 + (2 * fig0.pd())))) {
+        // iterate over service component global definition
+        if (fig0.pd() == 0) {
+            // Programme services, 16 bit SId
+            SId = (f[i] << 8) | f[i+1];
+            i += 2;
+        }
+        else {
+            // Data services, 32 bit SId
+            SId = ((uint32_t)f[i] << 24) | ((uint32_t)f[i+1] << 16) |
+                ((uint32_t)f[i+2] << 8) | (uint32_t)f[i+3];
+            i += 4;
+        }
+        Ext_flag = f[i] >> 7;
+        Rfa = (f[i] >> 4) & 0x7;
+        SCIdS = f[i] & 0x0F;
+        complete |= fig0_8_is_complete(SId, SCIdS);
+        sprintf(desc, "SId=0x%X, Ext flag=%d 8-bit Rfa %s", SId, Ext_flag, (Ext_flag)?"present":"absent");
+        if (Rfa != 0) {
+            sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa);
+            strcat(desc, tmpbuf);
+        }
+        sprintf(tmpbuf, ", SCIdS=0x%X", SCIdS);
+        strcat(desc, tmpbuf);
+        i++;
+        if (i < fig0.figlen) {
+            LS_flag = f[i] >> 7;
+            sprintf(tmpbuf, ", L/S flag=%d %s", LS_flag, (LS_flag)?"Long form":"Short form");
+            strcat(desc, tmpbuf);
+            if (LS_flag == 0) {
+                // Short form
+                if (i < (fig0.figlen - Ext_flag)) {
+                    MSC_FIC_flag = (f[i] >> 6) & 0x01;
+                    if (MSC_FIC_flag == 0) {
+                        // MSC in stream mode and SubChId identifies the sub-channel
+                        SubChId = f[i] & 0x3F;
+                        sprintf(tmpbuf, ", MSC/FIC flag=%d MSC, SubChId=0x%X", MSC_FIC_flag, SubChId);
+                        strcat(desc, tmpbuf);
+                    }
+                    else {
+                        // FIC and FIDCId identifies the component
+                        FIDCId = f[i] & 0x3F;
+                        sprintf(tmpbuf, ", MSC/FIC flag=%d FIC, FIDCId=0x%X", MSC_FIC_flag, FIDCId);
+                        strcat(desc, tmpbuf);
+                    }
+                    if (Ext_flag == 1) {
+                        // Rfa field present
+                        Rfa = f[i+1];
+                        if (Rfa != 0) {
+                            sprintf(tmpbuf, ", Rfa=0x%X invalid value", Rfa);
+                            strcat(desc, tmpbuf);
+                        }
+                    }
+                }
+                i += (1 + Ext_flag);
+            }
+            else {
+                // Long form
+                if (i < (fig0.figlen - 1)) {
+                    Rfa = (f[i] >> 4) & 0x07;
+                    SCId = (((uint16_t)f[i] & 0x0F) << 8) | (uint16_t)f[i+1];
+                    if (Rfa != 0) {
+                        sprintf(tmpbuf, ", Rfa=%d invalid value", Rfa);
+                        strcat(desc, tmpbuf);
+                    }
+                    sprintf(tmpbuf, ", SCId=0x%X", SCId);
+                    strcat(desc, tmpbuf);
+                }
+                i += 2;
+            }
+        }
+        printbuf(desc, indent+1, NULL, 0);
+    }
+
+    return complete;
+}
+
-- 
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